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1

NREL: Energy Analysis - Maureen Hand  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the Contributions and Achievements ofLiz Torres Photo of Liz Torres LizMarketMattMaureen

2

Curriculum Vitae Roberta A. Klein  

E-Print Network [OSTI]

, J. Lukas, J. Smith, W. Travis, B. Udall, and J. Vogel (2011), Colorado Climate Preparedness Project and Politics, 280 pp., Springer. Kenney, D., R. Klein, and C. Goemans (2009), Preliminary Findings from Western). Klein, R. and D. Kenney (2009), The Land Use Planning, Water Resources and Climate Change Adaptation

Colorado at Boulder, University of

3

Graphene tests of Klein phenomena  

E-Print Network [OSTI]

Graphene is characterized by chiral electronic excitations. As such it provides a perfect testing ground for the production of Klein pairs (electron/holes). If confirmed, the standard results for barrier phenomena must be reconsidered with, as a byproduct, the accumulation within the barrier of holes.

Stefano De Leo; Pietro Rotelli

2012-02-07T23:59:59.000Z

4

Excitation of Kaluza-Klein gravitational mode  

E-Print Network [OSTI]

We investigate excitation of Kaluza-Klein modes due to the parametric resonance caused by oscillation of radius of compactification. We consider a gravitational perturbation around a D-dimensional spacetime, which we compactify on a (D-4)-sphere to obtain a 4-dimensional theory. The perturbation includes the so-called Kaluza-Klein modes, which are massive in 4-dimension, as well as zero modes, which is massless in 4-dimension. These modes appear as scalar, vector and second-rank symmetric tensor fields in the 4-dimensional theory. Since Kaluza-Klein modes are troublesome in cosmology, quanta of these Kaluza-Klein modes should not be excited abundantly. However, if radius of compactification oscillates, then masses of Kaluza-Klein modes also oscillate and, thus, parametric resonance of Kaluza-Klein modes may occur to excite their quanta. In this paper we consider part of Kaluza-Klein modes which correspond to massive scalar fields in 4-dimension and investigate whether quanta of these modes are excited or not in the so called narrow resonance regime of the parametric resonance. We conclude that at least in the narrow resonance regime quanta of these modes are not excited so catastrophically.

Kunihito Uzawa; Yoshiyuki Morisawa; Shinji Mukohyama

2000-04-10T23:59:59.000Z

5

Evidence Against Klein Paradox in Graphene  

E-Print Network [OSTI]

It is demonstrated that both transmission and reflection coefficients associated to the Klein paradox at a step barrier are positive and less than unity, so that the particle-antiparticle pair creation mechanism commonly linked to this phenomenon is not necessary. Because graphene is a solid-state testing ground for quantum electrodynamics phenomena involving massless Dirac fermions we suggest that the transport characteristic through a p-n graphene junction can decide between the results obtained in this paper and the common Klein paradox theory, which imply negative transmission and higher-than-unity reflection coefficients. Recent experimental evidence supports our findings.

Daniela Dragoman

2007-01-13T23:59:59.000Z

6

A review of "A Chronology and Calendar of Documents Related to the London Book Trade" by D. F. McKenzie and Maureen Bell, eds.  

E-Print Network [OSTI]

about the complexity of ecclesiastical polity. Those who continue to urge a portrait of the period as the seedbed of secular liberty will, like his contemporaries, find Goodwin a formidable obstacle and paradox. D. F. McKenzie and Maureen Bell, eds....00. Review by RANDY ROBERTSON, SUSQUEHANNA UNIVERSITY. The Chronology and Calendar is a staggering achievement. Some years ago, D. F. McKenzie began to collect references to the book trade that he discov- ered in the Calendar of State Papers, Domestic...

Robertson, Randy

2007-01-01T23:59:59.000Z

7

Will robots see? Stanley A. Klein  

E-Print Network [OSTI]

Will robots see? Stanley A. Klein Will robots ever really see? Imagine a robot 10,000 years in the future. At that time we should finally understand the visual system and be able to build robots whose visual performance surpasses humans'. We will then ask: when a robot claims to be seeing, are its

Klein, Stanley

8

Generalized Klein-Gordon equations in d dimensions from supersymmetry  

SciTech Connect (OSTI)

The Wess-Zumino model is extended to higher dimensions, leading to a generalized Klein-Gordon equation whose propagator is computed in configuration space.

Bollini, C.G.; Giambiagi, J.J.

1985-12-15T23:59:59.000Z

9

EXTREMAL METRIC FOR THE FIRST EIGENVALUE ON A KLEIN BOTTLE  

E-Print Network [OSTI]

EXTREMAL METRIC FOR THE FIRST EIGENVALUE ON A KLEIN BOTTLE DMITRY JAKOBSON, NIKOLAI NADIRASHVILI extremal metrics. The only known extremal metrics are a round sphere, a standard projective plane, a Clifford torus and an equilateral torus. We construct an extremal metric on a Klein bottle. It is a metric

Leclercq, Remi

10

EXTREMAL METRIC FOR THE FIRST EIGENVALUE ON A KLEIN BOTTLE  

E-Print Network [OSTI]

EXTREMAL METRIC FOR THE FIRST EIGENVALUE ON A KLEIN BOTTLE DMITRY JAKOBSON, NIKOLAI NADIRASHVILI extremal metrics. The only known extremal metrics are a round sphere, a standard projective plane, a Cli#11;ord torus and an equilateral torus. We construct an extremal metric on a Klein bottle. It is a metric

Jakobson, Dmitry

11

Collapse of Kaluza-Klein Bubbles  

E-Print Network [OSTI]

Kaluza-Klein theory admits ``bubble" configurations, in which the circumference of the fifth dimension shrinks to zero on some compact surface. A three parameter family of such bubble initial data at a moment of time-symmetry (some including a magnetic field) has been found by Brill and Horowitz, generalizing the (zero-energy) ``Witten bubble" solution. Some of these data have negative total energy. We show here that all the negative energy bubble solutions start out expanding away from the moment of time symmetry, while the positive energy bubbles can start out either expanding or contracting. Thus it is unlikely that the negative energy bubbles would collapse and produce a naked singularity.

Steven Corley; Ted Jacobson

1994-03-09T23:59:59.000Z

12

Kaluza-Klein models as pistons  

E-Print Network [OSTI]

We consider the influence of extra dimensions on the force in Casimir pistons. Suitable analytical expressions are provided for the Casimir force in the range where the plate distance is small, and that where it is large, compared to the size of the extra dimensions. We show that the Casimir force tends to move the center plate toward the closer wall; this result is true independently of the cross-section of the piston and the geometry or topology of the additional Kaluza--Klein dimensions. The statement also remains true at finite temperature. In the limit where one wall of the piston is moved to infinity, the result for parallel plates is recovered. If only one chamber is considered, a criterion for the occurrence of Lukosz-type repulsion, as opposed to the occurrence of renormalization ambiguities, is given; we comment on why no repulsion has been noted in some previous cosmological calculations that consider only two plates.

Klaus Kirsten; S. A. Fulling

2009-01-13T23:59:59.000Z

13

Klein backscattering and Fabry-Perot resonances in graphene  

E-Print Network [OSTI]

Klein backscattering and Fabry- Perot resonances in graphene p-n-p junctions Leonid Levitov gap = hvF/width Coulomb blockade in graphene Geim, Novoselov; Ensslin group #12;Graphene p

Gabrieli, John

14

ore than a hundred of MDr. Russell Klein's  

E-Print Network [OSTI]

for their u n w a v e r i n g commitment to theiralma mater. Dr. John Paige explains the training capabilities for Rep. Cao, the Honorable Charles W. Boustany, Jr., MD ('82), and LHH during a tour of the Klein Timothy Kimuyu, Sabrina McKenney, and DominiqueHarris. he national Black Barbershop THealth Outreach

15

Exercice session Cargse, October 2008 Klein tunneling in graphene  

E-Print Network [OSTI]

Exercice session Cargèse, October 2008 Klein tunneling in graphene Pierre Allain and Jean-Noël Fuchs 1 Introduction : plane wave The goal is to compute the probability transmission T of a graphene 1 = n2 sin 2 for an electron in graphene and show that the optical index n is proportional

Paris-Sud 11, Université de

16

Kaluza-Klein Cosmology With Modified Holographic Dark Energy  

E-Print Network [OSTI]

We investigate the compact Kaluza-Klein cosmology in which modified holographic dark energy is interacting with dark matter. Using this scenario, we evaluate equation of state parameter as well as equation of evolution of the modified holographic dark energy. Further, it is shown that the generalized second law of thermodynamics holds without any constraint.

M. Sharif; Farida Khanum

2011-06-13T23:59:59.000Z

17

Extra force in Kaluza-Klein gravity theory  

E-Print Network [OSTI]

In induced matter Kaluza-Klein gravity theory the solution of the dynamics equations for the test particle on null path leads to additional force in four-dimensional space-time. We find such force from five-dimensional geodesic line equations and apply this approach to analysis of the asymmetrically warped space-time.

W. B. Belayev

2007-06-18T23:59:59.000Z

18

1-D Dirac Equation, Klein Paradox and Graphene  

E-Print Network [OSTI]

Solutions of the one dimensional Dirac equation with piece-wise constant potentials are presented using standard methods. These solutions show that the Klein Paradox is non-existent and represents a failure to correctly match solutions across a step potential. Consequences of this exact solution are studied for the step potential and a square barrier. Characteristics of massless Dirac states and the momentum linear band energies for Graphene are shown to have quite different current and momentum properties.

S. P. Bowen

2008-07-23T23:59:59.000Z

19

Fluid Inclusion Analysis (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublicIDAPowerPlantSitingConstruction.pdfNotify98.pdf JumpFlix SolarBlack Warrior Area (DOEFlowood,5.53. 2(Klein,

20

Surface Gas Sampling (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen, Minnesota:36052°,Sunfield,FarmsSupport Resources, Inc Place:(Klein,

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Dynamics of Matter in a Compactified Kaluza-Klein Model  

E-Print Network [OSTI]

A longstanding problem in Kaluza-Klein models is the description of matter dynamics. Within the 5D model, the dimensional reduction of the geodesic motion for a 5D free test particle formally restores electrodynamics, but the reduced 4D particle shows a charge-mass ratio that is upper bounded, such that it cannot fit to any kind of elementary particle. At the same time, from the quantum dynamics viewpoint, there is the problem of the huge massive modes generation. We present a criticism against the 5D geodesic approach and face the hypothesis that in Kaluza-Klein space the geodesic motion does not deal with the real dynamics of test particle. We propose a new approach: starting from the conservation equation for the 5D matter tensor, within the Papapetrou multipole expansion, we prove that the 5D dynamical equation differs from the 5D geodesic one. Our new equation provides right coupling terms without bounding and in such a scheme the tower of massive modes is removed.

Valentino Lacquaniti; Giovanni Montani

2009-02-10T23:59:59.000Z

22

Deformation Quantization, Quantization, and the Klein-Gordon Equation  

E-Print Network [OSTI]

The aim of this proceeding is to give a basic introduction to Deformation Quantization (DQ) to physicists. We compare DQ to canonical quantization and path integral methods. It is described how certain issues such as the roles of associativity, covariance, dynamics, and operator orderings are understood in the context of DQ. Convergence issues in DQ are mentioned. Additionally, we formulate the Klein-Gordon (KG) equation in DQ. Original results are discussed which include the exact construction of the Fedosov star-product on the dS and AdS space-times. Also, the KG equation is written down for these space-times. This is a proceedings to the Second International Conference on Quantum Theories and Renormalization Group in Gravity and Cosmology.

P. Tillman

2007-02-28T23:59:59.000Z

23

E-Print Network 3.0 - andreas michael klein Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ecology 6 Mathematik fr Naturwissenschaftler, WS 200708 Einteilung fr die R-Klausur im CIP-Pool der Physik am 4.2.08 Summary: :00 Kirscher Lorenz-Martin 18:00 Klein Andreas 13:00...

24

Scattering of KleinGordon particles by a Kink-like potential  

SciTech Connect (OSTI)

The KleinGordon equation for the non-minimal vector and a scalar Kink-like potential is solved in terms of the hypergeometric functions. The scattering problem, i.e. the transmission and reflection coefficients, is studied as well. -- Highlights: The KleinGordon equation for the non-minimal vector and a scalar Kink-like potential is solved. We have calculated the corresponding transmission and reflection coefficients. We discussed the behavior of the reflection and transmission coefficients vs. energy.

Hassanabadi, H., E-mail: h.hasanabadi@shahroodut.ac.ir [Department of Basic Sciences, Shahrood Branch, Islamic Azad University, Shahrood (Iran, Islamic Republic of); Lu, Liangliang [National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing, 210093 (China)] [National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing, 210093 (China); Maghsoodi, E. [Department of Basic Sciences, Shahrood Branch, Islamic Azad University, Shahrood (Iran, Islamic Republic of)] [Department of Basic Sciences, Shahrood Branch, Islamic Azad University, Shahrood (Iran, Islamic Republic of); Liu, Guanghui [State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-sen University, Guangzhou 510275 (China)] [State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-sen University, Guangzhou 510275 (China); Zarrinkamar, S. [Department of Basic Sciences, Garmsar Branch, Islamic Azad University, Garmsar (Iran, Islamic Republic of)] [Department of Basic Sciences, Garmsar Branch, Islamic Azad University, Garmsar (Iran, Islamic Republic of)

2014-03-15T23:59:59.000Z

25

Soliton ratchets in homogeneous nonlinear Klein-Gordon systems  

E-Print Network [OSTI]

We study in detail the ratchet-like dynamics of topological solitons in homogeneous nonlinear Klein-Gordon systems driven by a bi-harmonic force. By using a collective coordinate approach with two degrees of freedom, namely the center of the soliton, $X(t)$, and its width, $l(t)$, we show, first, that energy is inhomogeneously pumped into the system, generating as result a directed motion; and, second, that the breaking of the time shift symmetry gives rise to a resonance mechanism that takes place whenever the width $l(t)$ oscillates with at least one frequency of the external ac force. In addition, we show that for the appearance of soliton ratchets, it is also necesary to break the time-reversal symmetry. We analyze in detail the effects of dissipation in the system, calculating the average velocity of the soliton as a function of the ac force and the damping. We find current reversal phenomena depending on the parameter choice and discuss the important role played by the phases of the ac force. Our analytical calculations are confirmed by numerical simulations of the full partial differential equations of the sine-Gordon and $\\phi^4$ systems, which are seen to exhibit the same qualitative behavior. Our results are in agreement with recent experimental work on dissipation induced symmetry breaking.

Luis Morales-Molina; Niurka R. Quintero; Franz G. Mertens; Angel Sanchez

2005-11-30T23:59:59.000Z

26

Consistency analysis of Kaluza-Klein geometric sigma models  

E-Print Network [OSTI]

Geometric sigma models are purely geometric theories of scalar fields coupled to gravity. Geometrically, these scalars represent the very coordinates of space-time, and, as such, can be gauged away. A particular theory is built over a given metric field configuration which becomes the vacuum of the theory. Kaluza-Klein theories of the kind have been shown to be free of the classical cosmological constant problem, and to give massless gauge fields after dimensional reduction. In this paper, the consistency of dimensional reduction, as well as the stability of the internal excitations, are analyzed. Choosing the internal space in the form of a group manifold, one meets no inconsistencies in the dimensional reduction procedure. As an example, the SO(n) groups are analyzed, with the result that the mass matrix of the internal excitations necessarily possesses negative modes. In the case of coset spaces, the consistency of dimensional reduction rules out all but the stable mode, although the full vacuum stability remains an open problem.

M. Vasilic

2001-04-23T23:59:59.000Z

27

Ratchet behavior in nonlinear Klein-Gordon systems with pointlike inhomogeneities Luis Morales-Molina* and Franz G. Mertens  

E-Print Network [OSTI]

Ratchet behavior in nonlinear Klein-Gordon systems with pointlike inhomogeneities Luis Morales 2004; published 14 July 2005 We investigate the ratchet dynamics of nonlinear Klein-Gordon kinks ratchet for point particles. Careful attention is given to the kink width dynamics and its role

Snchez, Angel "Anxo"

28

Ratchet behavior in nonlinear Klein-Gordon systems with point-like inhomogeneities Luis MoralesMolina  

E-Print Network [OSTI]

Ratchet behavior in nonlinear Klein-Gordon systems with point-like inhomogeneities Luis Morales: February 14, 2005) We investigate the ratchet dynamics of nonlinear Klein-Gordon kinks in a periodic a collective coordinate framework, which shows that such system behaves as a rocking ratchet for point

Snchez, Angel "Anxo"

29

Online Searching with an Autonomous Robot S andor P. Fekete 1 , Rolf Klein 2 , and Andreas Nuchter 3  

E-Print Network [OSTI]

Online Searching with an Autonomous Robot S#19;andor P. Fekete 1 , Rolf Klein 2 , and Andreas N Bonn, Germany. Email: rolf.klein@uni-bonn.de 3 Fraunhofer Institute for Autonomous Intelligent Systems, using Kurt3D, a real autonomous mobile robot. This task is closely related to a number of well

Fekete, Sándor P.

30

ADB-Trees: Controlling the Error of Time-Critical Collision Detection Jan Klein Gabriel Zachmann  

E-Print Network [OSTI]

ADB-Trees: Controlling the Error of Time-Critical Collision Detection Jan Klein Gabriel Zachmann courtesy of VW and BMW) Abstract We present a novel framework for hierarchical col- lision detection by aug- menting AABB trees and present performance mea- surements and comparisons with a very fast previ

Behnke, Sven

31

Corneal Topography: A review, new ANSI standards and problems to solve Stanley A. Klein  

E-Print Network [OSTI]

Corneal Topography: A review, new ANSI standards and problems to solve Stanley A. Klein School based instruments is presented. 2. a summary of and commentary on the newly issued ANSI standards topographers" by the ANSI standard), has the advantage of being able to measure corneal thickness as well

Klein, Stanley

32

Tunable few-electron double quantum dots and Klein tunnelling in ultraclean carbon nanotubes  

E-Print Network [OSTI]

Tunable few-electron double quantum dots and Klein tunnelling in ultraclean carbon nanotubes G. A. Steele*, G. Gotz and L. P. Kouwenhoven Quantum dots defined in carbon nanotubes are a platform for both with highly tunable barriers1 , but disorder has prevented tunable nanotube- based quantum-dot devices from

33

SIGNAL SUBSPACE SPEECH ENHANCEMENT WITH PERCEPTUAL POST-FILTERING Mark Klein and Peter Kabal  

E-Print Network [OSTI]

SIGNAL SUBSPACE SPEECH ENHANCEMENT WITH PERCEPTUAL POST-FILTERING Mark Klein and Peter Kabal the enhanced speech spectra. By utilizing a perceptual filter, averaging is per- formed in a manner similar In most speech enhancement systems, musical noise can be at- tributed to errors in measuring noise

Kabal, Peter

34

The statistical properties of Klein-Gordon oscillator in noncommutative space  

SciTech Connect (OSTI)

We study the relativistic spin-zero bosons influenced by the Klein-Gordon oscillator and an external magnetic field in noncommutative formulation. The problem is considered in two dimensions and is solved in an exact analytical manner. Having found the spectrum of the system, the statistical properties of an N-boson system are reported.

Hassanabadi, H., E-mail: h.hasanabadi@shahroodut.ac.ir; Hosseini, S. S. [Department of Basic Sciences, Shahrood Branch, Islamic Azad University, Shahrood (Iran, Islamic Republic of)] [Department of Basic Sciences, Shahrood Branch, Islamic Azad University, Shahrood (Iran, Islamic Republic of); Boumali, A. [Laboratoire de Physique Applique et Thorique, Universit de Tbessa, 12000 W. Tbessa (Algeria)] [Laboratoire de Physique Applique et Thorique, Universit de Tbessa, 12000 W. Tbessa (Algeria); Zarrinkamar, S. [Department of Basic Sciences, Garmsar Branch, Islamic Azad University, Garmsar (Iran, Islamic Republic of)] [Department of Basic Sciences, Garmsar Branch, Islamic Azad University, Garmsar (Iran, Islamic Republic of)

2014-03-15T23:59:59.000Z

35

Subcritical and supercritical Klein-Gordon-Maxwell equations without Ambrosetti-Rabinowitz condition  

E-Print Network [OSTI]

In this article we present some results on the existence of positive and ground state solutions for the nonlinear Klein-Gordon-Maxwell equations. We introduce a general nonlinearity with subcritical and supercritical growth which does not require the usual Ambrosetti-Rabinowitz condition. The proof is based on variational methods and perturbation arguments.

Cunha, Patricia L

2012-01-01T23:59:59.000Z

36

Finite element analysis of flows in secondary settling tanks D. Kleine 1 B. D. Reddy 2  

E-Print Network [OSTI]

Finite element analysis of flows in secondary settling tanks D. Kleine 1 B. D. Reddy 2 December 7, 2003 Abstract The equations governing unsteady flows in secondary settling tanks, a component settling tanks, and against results obtained from a finite difference code based on an idealized one

Reddy, Batmanathan Dayanand "Daya"

37

Production Of The ADD Type Kaluza-Klein Excitations At Future e+e-, ep And pp Colliders  

SciTech Connect (OSTI)

Possible production of ADD type Kaluza-Klein excitations are investigated at future high energy e+e-, ep and pp colliders. Discovery limits and signatures of such excitations are discussed at above colliders comparatively.

Billur, A. A.; Ciftci, A. K. [Physics Department, Faculty of Sciences, Ankara University, 06100 Tandogan, Ankara (Turkey); Ciftci, R. [Physics Department, Faculty of Sciences and Arts, Gazi University, 06500 Teknikokullar (Turkey); Inan, S. C. [Physics Department, Faculty of Sciences and Arts, Cumhuriyet University, 58140, Sivas (Turkey); Sultansoy, S. [Physics Department, Faculty of Sciences and Arts, Gazi University, 06500 Teknikokullar (Turkey); Institute of Physics, Academy of Sciences, H. Cavid Avenue 33, Baku (Azerbaijan)

2007-04-23T23:59:59.000Z

38

Production of the Randall-Sundrum Type Kaluza-Klein Excitations at Future e+e-, ep and pp Colliders  

SciTech Connect (OSTI)

Possible production of Randall-Sundrum type Kaluza-Klein excitations are investigated at future high energy e+e-, ep and pp colliders. Discovery limits and signatures of such excitations are discussed at above colliders comparatively.

Billur, A. A.; Ciftci, A. K. [Physics Department, Faculty of Sciences, Ankara University, 06100 Tandogan, Ankara (Turkey); Ciftci, R. [Physics Department, Faculty of Sciences and Arts, Gazi University, 06500 Teknikokullar (Turkey); Inan, S. C. [Physics Department, Faculty of Sciences and Arts, Cumhuriyet University, 58140, Sivas (Turkey); Sultansoy, S. [Physics Department, Faculty of Sciences and Arts, Gazi University, 06500 Teknikokullar (Turkey); Institute of Physics, Academy of Sciences, H. Cavid Avenue 33, Baku (Azerbaijan)

2007-04-23T23:59:59.000Z

39

Klein-Gordon equations for energy-momentum of the relativistic particle in rapidity space  

SciTech Connect (OSTI)

The notion of four-rapidity is defined as a four-vector with one time-like and three space-like coordinates. It is proved, the energy and momentum defined in the space of four-rapidity obey Klein-Gordon equations constrained by the classical trajectory of a relativistic particle. It is shown, for small values of a proper mass influence of the constraint is weakened and the classical motion gains features of a wave motion.

Yamaleev, R. M., E-mail: iamaleev@jinr.ru [Joint Institute for Nuclear Research, Laboratory of Information Technologies (Russian Federation)

2013-10-15T23:59:59.000Z

40

On the solution of the Heaviside - Klein - Gordon thermal equation for heat transport in graphene  

E-Print Network [OSTI]

We report studies of the solution of the Heaviside - Klein - Gordon thermal equation. As the result it is shown that the solution consists of two components: the fast thermal wave and slow diffusion for very large (compared to relaxation time) time period. We argue that the fast thermal wave can be recognized as the indication of the ballistic heat transport. As an example we consider the ballistic heat transport in graphene.

Magdalena Pelc

2007-11-26T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Statefinder Parameters for Different Dark Energy Models with Variable G Correction in Kaluza-Klein Cosmology  

E-Print Network [OSTI]

In this work, we have calculated the deceleration parameter, statefinder parameters and EoS parameters for different dark energy models with variable $G$ correction in homogeneous, isotropic and non-flat universe for Kaluza-Klein Cosmology. The statefinder parameters have been obtained in terms of some observable parameters like dimensionless density parameter, EoS parameter and Hubble parameter for holographic dark energy, new agegraphic dark energy and generalized Chaplygin gas models.

Shuvendu Chakraborty; Ujjal Debnath; Mubasher Jamil; Ratbay Myrzakulov

2012-02-18T23:59:59.000Z

42

Maureen McCann Energy Center  

E-Print Network [OSTI]

for biofuels production with the potential to reduce oil dependence, improve national security, and boost rural economies. She is also the Director of the Center for Direct Catalytic Conversion of Biomass to Biofuels (C3

Ginzel, Matthew

43

Memory as Antidote: Remembering Repression from Latin America to Katrina: KLEIN, NAOMI. The Shock Doctrine. The Rise of Disaster Capitalism. Toronto: Knopf, 2007. 662 pages.  

E-Print Network [OSTI]

means of torture. and how the CIA conducted research appHedin Iraq. America through CIA sup- and the connections Klein

Santos, Alessandra

2007-01-01T23:59:59.000Z

44

Klein-Gordon equation and Hawking radiation in the dyon black hole with a cosmic string  

E-Print Network [OSTI]

Charged massive scalar particles are considered in the gravitational and electromagnetic field produced by a dyonic black hole with a cosmic string along the axis of symmetry. Exact solutions of both angular and radial parts of the covariant Klein-Gordon equation in this background are obtained, and are given in terms of the confluent Heun functions. We emphasize the role of the presence of the cosmic string in these solutions. From the radial solution, we obtain the exact wave solutions near the exterior horizon of the black hole, and discuss the Hawking radiation spectrum and the energy flux.

Vieira, H S; Silva, G V

2015-01-01T23:59:59.000Z

45

On the Klein-Gordon equation near a De Sitter brane in an Anti-de Sitter bulk  

E-Print Network [OSTI]

In this paper we investigate the Klein-Gordon equation in the past causal domain of a De Sitter brane imbedded in a Anti-de Sitter bulk. We solve the global mixed hyperbolic problem. We prove that any finite energy solution can be expressed as a Kaluza-Klein tower that is a superposition of free fields in the Steady State Universe, of which we study the asymptotic behaviours. We show that the leading term of a gravitational fluctuation is a massless graviton, i.e. the De Sitter brane is linearly stable.

Alain Bachelot

2014-06-29T23:59:59.000Z

46

Applications of Lie-Hamilton systems on the plane: Cayley-Klein Riccati equations and beyond  

E-Print Network [OSTI]

A Lie-Hamilton system is a nonautonomous system of first-order ordinary differential equations describing the integral curves of a $t$-dependent vector field taking values in a finite-dimensional real Lie algebra of Hamiltonian vector fields with respect to a Poisson structure. After reviewing the classification of finite-dimensional real Lie algebras of Hamiltonian vector fields on $\\mathbb{R}^2$, we present new Lie-Hamilton systems on the plane with physical, biological and mathematical applications. New results cover Cayley-Klein Riccati equations, the hereafter called planar diffusion Riccati systems and complex Bernoulli equations, all of them with $t$-dependent real coefficients. Furthermore, we study the existence of local diffeomorphisms among new and already known Lie-Hamilton systems on the plane. In particular, we show that the Cayley-Klein Riccati equations describe as particular cases well-known coupled Riccati equations, second-order Kummer-Schwarz equations, Milne-Pinney equations, the harmonic oscillator with $t$-dependent frequency and other systems of physical and mathematical relevance.

F. J. Herranz; J. de Lucas; C. Sardon

2014-10-27T23:59:59.000Z

47

Didactic derivation of the special theory of relativity from Klein-Gordon equation  

E-Print Network [OSTI]

We present a didactic derivation of the special theory of relativity in which Lorentz transformations are `discovered' as symmetry transformations of Klein-Gordon equation. The interpretation of Lorentz boosts as transformations to moving inertial reference frames is not assumed at the start, but it naturally appears at a later stage. The relative velocity $\\textbf{v}$ of two inertial reference frames is defined in terms of the elements of the pertinent Lorentz matrix, and the bound $|\\textbf{v}|

Arod?, H

2014-01-01T23:59:59.000Z

48

Search for Kaluza-Klein gravitons in extra dimension models via forward detectors at the LHC  

E-Print Network [OSTI]

We investigate contributions of Kaluza-Klein (KK) graviton in extra dimension models to the process $pp \\to p\\gamma p \\to p\\gamma j X$, where a proton emits a quasireal photon and is detected by using the very forward detectors planned at the LHC. In addition to the $\\gamma q$ initial state as in the Compton scattering in the Standard Model, the $\\gamma g$ scattering contributes through the $t$-channel exchange of KK gravitons. Taking account of pileup contributions to the background and examining viable kinematical cuts, constraints on the parameter space of both the ADD (Arkani-Hamed, Dimopoulos and Dvali) model and the RS (Randall and Sundrum) model are studied. With 200 fb$^{-1}$ data at a center-of-mass energy of 14 TeV, the expected lower bound on the cut-off scale for the ADD model is 6.3 TeV at 95% confidence level, while a lower limit of 2.0 (0.5) TeV is set on the mass of the first excited graviton with the coupling parameter $k/\\overline{M}_{\\rm Pl}=0.1$ (0.01) for the RS model.

Cho, Gi-Chol; Mawatari, Kentarou; Yamashita, Kimiko

2015-01-01T23:59:59.000Z

49

Search for Kaluza-Klein gravitons in extra dimension models via forward detectors at the LHC  

E-Print Network [OSTI]

We investigate contributions of Kaluza-Klein (KK) graviton in extra dimension models to the process $pp \\to p\\gamma p \\to p\\gamma j X$, where a proton emits a quasireal photon and is detected by using the very forward detectors planned at the LHC. In addition to the $\\gamma q$ initial state as in the Compton scattering in the Standard Model, the $\\gamma g$ scattering contributes through the $t$-channel exchange of KK gravitons. Taking account of pileup contributions to the background and examining viable kinematical cuts, constraints on the parameter space of both the ADD (Arkani-Hamed, Dimopoulos and Dvali) model and the RS (Randall and Sundrum) model are studied. With 200 fb$^{-1}$ data at a center-of-mass energy of 14 TeV, the expected lower bound on the cut-off scale for the ADD model is 6.3 TeV at 95% confidence level, while a lower limit of 2.0 (0.5) TeV is set on the mass of the first excited graviton with the coupling parameter $k/\\overline{M}_{\\rm Pl}=0.1$ (0.01) for the RS model.

Gi-Chol Cho; Takanori Kono; Kentarou Mawatari; Kimiko Yamashita

2015-03-19T23:59:59.000Z

50

Gravitational Kaluza-Klein modes in the String-Cigar Braneworld  

E-Print Network [OSTI]

In this work the gravitational Kaluza-Klein (KK) modes are analysed on string-like braneworlds in six dimensions, namely the thin string-like Gherghetta-Shaposhnikov (GS) and the thick string-cigar model. We find a new massless mode in both modes satisfying the respective Schroedinger equation. By means of numerical analysis for both models, a complete graviton spectrum and eigenfunctions is attained. Besides the linear regime, the KK spectrum exhibits a decreasing behavior with an asymmetric mass gap with respect to the massless mode. The discontinuity is bigger in the GS model, and it is invariant upon the geometrical flow. A massive mode is obtained in the GS model with a tiny mass which does not match in any regime. It turns out that in the string-cigar model, the core brane structure smoothes and amplifies the KK modes near the brane. Further, the presence of a potential well allows the existence of resonant massive gravitons for small masses in the string-cigar scenario.

D. F. S. Veras; J. E. G. Silva; W. T. Cruz; C. A. S. Almeida

2014-09-10T23:59:59.000Z

51

Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector  

SciTech Connect (OSTI)

A search for muon neutrinos from Kaluza-Klein dark matter annihilations in the Sun has been performed with the 22-string configuration of the IceCube neutrino detector using data collected in 104.3 days of live-time in 2007. No excess over the expected atmospheric background has been observed. Upper limits have been obtained on the annihilation rate of captured lightest Kaluza-Klein particle (LKP) WIMPs in the Sun and converted to limits on the LKP-proton cross-sections for LKP masses in the range 250 - 3000 GeV. These results are the most stringent limits to date on LKP annihilation in the Sun.

IceCube Collaboration; Abbasi, R.; al., et

2009-10-23T23:59:59.000Z

52

Renormalized waves and thermalization of the Klein-Gordon equation: What sound does a nonlinear string make?  

E-Print Network [OSTI]

We study the thermalization of the classical Klein-Gordon equation under a u^4 interaction. We numerically show that even in the presence of strong nonlinearities, the local thermodynamic equilibrium state exhibits a weakly nonlinear behavior in a renormalized wave basis. The renormalized basis is defined locally in time by a linear transformation and the requirement of vanishing wave-wave correlations. We show that the renormalized waves oscillate around one frequency, and that the frequency dispersion relation undergoes a nonlinear shift proportional to the mean square field. In addition, the renormalized waves exhibit a Planck like spectrum. Namely, there is equipartition of energy in the low frequency modes described by a Boltzmann distribution, followed by a linear exponential decay in the high frequency modes.

David Shirokoff

2011-06-30T23:59:59.000Z

53

Bose gas to Bose-Einstein Condensate by the Phase Transition of the Klein-Gordon equation  

E-Print Network [OSTI]

We rewrite the complex Klein-Gordon (KG) equation with a mexican-hat scalar field potential in a thermal bath with one loop contribution as a new Gross-Pitaevskii (GP)-like equation. We interpret it as a charged and finite temperature generalization of the GP equation. We find its hydrodynamic version as well and using it, we derive the corresponding thermodynamics. We obtain a generalized first law for a charged Bose-Einstein Condensate (BEC). We translate the breaking of the U(1) local symmetry of the KG field into the new version of the GP equation and demonstrate that this symmetry breaking corresponds to a phase transition of the gas into a BEC, and show the conditions for which this system naturally becomes superfluid and/or superconductor.

Tonatiuh Matos; Elas Castellanos

2012-09-21T23:59:59.000Z

54

Relativistic Winds from Compact Gamma-ray Sources: I. Radiative Acceleration in the Klein-Nishina Regime  

E-Print Network [OSTI]

We consider the radiative acceleration to relativistic bulk velocities of a cold, optically thin plasma which is exposed to an external source of gamma-rays. The flow is driven by radiative momentum input to the gas, the accelerating force being due to Compton scattering in the relativistic Klein-Nishina limit. The bulk Lorentz factor of the plasma, Gamma, derived as a function of distance from the radiating source, is compared with the corresponding result in the Thomson limit. Depending on the geometry and spectrum of the radiation field, we find that particles are accelerated to the asymptotic Lorentz factor at infinity much more rapidly in the relativistic regime; and the radiation drag is reduced as blueshifted, aberrated photons experience a decreased relativistic cross section and scatter preferentially in the forward direction. The random energy imparted to the plasma by gamma-rays can be converted into bulk motion if the hot particles execute many Larmor orbits before cooling. This `Compton afterburn' may be a supplementary source of momentum if energetic leptons are injected by pair creation, but can be neglected in the case of pure Klein-Nishina scattering. Compton drag by side-scattered radiation is shown to be more important in limiting the bulk Lorentz factor than the finite inertia of the accelerating medium. The processes discussed here may be relevant to a variety of astrophysical situations where luminous compact sources of hard X- and gamma-ray photons are observed, including active galactic nuclei, galactic black hole candidates, and gamma-ray bursts.

Piero Madau; Christopher Thompson

1999-11-30T23:59:59.000Z

55

A review of 'Ephelia,' ed. Maureen E. Mulvihill  

E-Print Network [OSTI]

; the extended introductory essay discusses the woman who ?most probably? was the writer behind the Ephelia mask: Mary (Villiers) Stuart, Duchess of Richmond and Lennox (1622-1685), known as ?the Butterfly? of the Stuart court. Mulvihill?s Villiers case began....) This important political poem on the convulsive ?popish Plot? against the Stuart monarchy was originally a licensed imprint of Harry Brome (1678); and it appeared again in 1679 in the rare octavo, Female Poems by Ephelia, an imprint of James Courtney (Courtenay...

Philip Milito

2004-01-01T23:59:59.000Z

56

Kaluza-Klein multidimensional models with Ricci-flat internal spaces: the absence of the KK particles  

E-Print Network [OSTI]

In this paper we consider a multidimensional Kaluza-Klein (KK) model with a Ricci-flat internal space, e.g., a Calabi-Yau manifold. We perturb this background metrics by a system of gravitating masses, e.g., astrophysical objects such as our Sun. We suppose that these masses are pressureless in the external space but they have relativistic pressure in the internal space. We show that metric perturbations do not depend on coordinates of the internal space and gravitating masses should be uniformly smeared over the internal space. This means, first, that KK modes corresponding to the metric fluctuations are absent and, second, particles should be only in the ground quantum state with respect to the internal space. In our opinion, these results look very unnatural. According to statistical physics, any nonzero temperature should result in fluctuations, i.e. in KK modes. We also get formulae for the metric correction terms which enable to calculate the gravitational tests: the deflection of light, the time-delay ...

Chopovsky, Alexey; Zhuk, Alexander

2013-01-01T23:59:59.000Z

57

Klein-Nishina effects on the high-energy gamma-ray emission of gamma-ray bursts  

SciTech Connect (OSTI)

Prompt and long-lived high-energy (>100 MeV) gamma-ray emission has been detected by Fermi Large Area Telescope (LAT) recently from more than ten gamma-ray bursts. It has been suggested that such emission is produced by synchrotron radiation of electrons accelerated in internal and external shocks. Here we show that, during both the prompt and early afterglow phase, inverse-Compton (IC) scattering of these electrons with synchrotron photons are typically in the Klein-Nishina (KN) regime. For the prompt emission, the KN effect may strongly suppress the IC component, which is consistent with one single spectral component seen in some strong bursts, such as in GRB080916C and GRB090217. The KN inverse-Compton cooling may also affect the low-energy electron number distribution and hence results in a low-energy synchrotron photon spectrum harder than the standard fast-cooling spectrum n({nu}){proportional_to}{nu}{sup -3/2}. During the early afterglow, KN effect leads to a low Compton-Y parameter, which is generally less than a few in the first tens of seconds for a wide range of parameter space. Furthermore, we suggest that the KN effect can explain the somewhat faster than expected decay of the early-time high-energy emission observed in some GRBs.

Wang Xiangyu [Department of Astronomy, Nanjing University, Nanjing 210093 (China) and Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, Nanjing 210093 (China)

2010-10-15T23:59:59.000Z

58

Analyses of {pi}{sup {+-}-40}Ca Elastic Scattering Data in the Delta Resonance Region using Inverse Scattering Theory and the Klein-Gordon Equation  

SciTech Connect (OSTI)

The elastic scattering cross sections for {pi}{sup +} by {sup 40}Ca have been analyzed, for the first time, using the Klein-Gordon (KG) equation that incorporates the Coulomb interaction between the charged pions and targets explicitly for the incident energies of 163.3 and 180 MeV. The nuclear part of the potentials is determined using an inverse scattering theory as a guide. Our results are then compared to those where the Coulomb potential has not been explicitly included in the KG equation but its effect is studied by modifying the incident kinetic energy following the prescription of Stricker. Our calculations that include the Coulomb potential in the KG equation reproduce the results using the Stricker prescription for {pi}{sup +}. The Stricker method is then used to calculate {pi}{sup -} scattering. In all cases, the data have been well accounted for.

Shehadeh, Zuhair F. [Physics Department, Taif University, P.O. Box 888, Taif (Saudi Arabia); Scott, Jeremy S.; Malik, F. Bary [Physics Department, Southern Illinois University at Carbondale, Illinois, 62901 (United States)

2011-10-27T23:59:59.000Z

59

EagleEyes in Ireland Written by Maureen Gates, Boston College Campus School, EagleEyes Teacher  

E-Print Network [OSTI]

to shoot down at least 2 out of 10 aliens in the EE Aliens Game. We also hoped that he would be able was not only able to tolerate the use of the electrodes but he successfully shot down 7 out of 10 aliens using

Huang, Jianyu

60

Four Current Meter Models Compared in Strong Currents in Drake Passage D. RANDOLPH WATTS, MAUREEN A. KENNELLY, KATHLEEN A. DONOHUE,  

E-Print Network [OSTI]

, Massachusetts IVAN VICTORIA Aanderaa Data Instruments, Inc., Attleboro, Massachusetts (Manuscript received 15

Rhode Island, University of

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61

Updated 6-12 Jeffrey A. Klein  

E-Print Network [OSTI]

, Quality Assurance, and System Safety programs in support of Mine Warfare, Diving and Life Support, and ship systems. He also served as the Assistant Program Manager in the Deep Submergence Vehicles of America. He is a graduate of the Advanced Program Management Course of the Defense Systems Management

62

Geothermometry (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeaugaInformation Mexico - A Survey ofJump

63

Isotopic Analysis (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429 Throttled (botOpen Energy Information 2006) Jump to: navigation,

64

Tracer Testing (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen,Ltd

65

Domain decomposition for coupling finite and boundary element methods in EEG Emmanuel Olivi1, Maureen Clerc1 and Theodore Papadopoulo1  

E-Print Network [OSTI]

in the patient head. Yet, the skull anisotropy happens to be highly anisotropic, and must then be modeled.e. for the brain and the scalp). A domain decomposition (DD) framework allows to split the global system. This work presents such a coupling formulation of a 3-DD method solving iteratively a BEM for the brain

Boyer, Edmond

66

Null energy in plane Kaluza-Klein worlds  

E-Print Network [OSTI]

We study the energy problem in the $R0X$ spacetimes in 5D. We found that for the Einstein, Landau-Lifschitz and the Moller complexes are null.

David Solano; Rodrigo Alvarado

2005-10-02T23:59:59.000Z

67

The Rotating Dyonic Black Holes Of Kaluza-Klein Theory  

E-Print Network [OSTI]

The most general electrically and magnetically charged rotating black hole solutions of 5 dimensional \\KK\\ theory are given in an explicit form. Various classical quantities associated with the black holes are derived. In particular, one finds the very surprising result that the gyromagnetic and gyroelectric ratios can become {\\tenit arbitrarily large}. The thermodynamic quantities of the black holes are calculated and a Smarr-type formula is obtained leading to a generalized first law of black hole thermodynamics. The properties of the extreme solutions are investigated and it is shown how they naturally separate into two classes. The extreme solutions in one class are found to have two unusual properties: (i). Their event horizons have zero angular velocity and yet they have non-zero ADM angular momentum. (ii). In certain circumstances it is possible to add angular momentum to these extreme solutions without changing the mass or charges and yet still maintain an extreme solution. Regarding the extreme black holes as elementary particles, their stability is discussed and it is found that they are stable provided they have sufficient angular momentum.

Dean Rasheed

1995-05-06T23:59:59.000Z

68

Unification and explanation in early Kaluza-Klein theories  

E-Print Network [OSTI]

attraction (Newtons gravitation law). 251 D=3 because someand gravitation and not a specific phenomenon. The explananda, as we will see later are laws,law (this is the case with EM and electroweak theory). But gravitation

Muntean, Ioan Lucian

2009-01-01T23:59:59.000Z

69

Leading the Charge: Christine Klein | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensionalthe10 DOEWashington,LM-04-XXXXLocated atPenroseDepartment

70

Compound and Elemental Analysis (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentratingRenewable Solutions LLC Jump to: navigation, search Name:CXD)

71

Snohomish PUD Steve Klein CEO/General Manager  

Broader source: Energy.gov (indexed) [DOE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists' Research |RegulationRenewable Energy (EERE)Smart ManufacturingDepartmentValley

72

Gas Flux Sampling (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, search Equivalent6894093° Loading69. It isGardnerGarrison,GarzaEvans,

73

Trace Element Analysis (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen,Ltd JumpOperationsInformationRowleyIndianaToyon Power

74

The Melvin P. Klein Scientific Development Award | Stanford Synchrotron  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsrucLas ConchasPassiveSubmittedStatus TomAboutManusScienceThe Life of Enrico Fermi The

75

E-Print Network 3.0 - alimohamed krista spence Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and Alfie Vick. Maureen Grasso, Craig Edelbrock, Krista Haynes, and Deanna... , Libby Johnson and Krista Haynes. The committee acted on three proposals which were approved...

76

Thank you for considering a gift to the University of Michigan School of Music,Theatre & Dance. Most donors choose to contribute to the funds listed below. However you may inquire about additional gift options by contacting Maureen  

E-Print Network [OSTI]

Thank you for considering a gift to the University of Michigan School of Music,Theatre & Dance this form to: University of Michigan School of Music,Theatre & Dance Office of Development 2005 Baits Drive $________ Michigan Marching Band Scholarship Fund (575027) Capital Funds $________ The Charles H.Gershenson Piano

Shyy, Wei

77

Materials Research Laboratory University of California, Santa Barbara  

E-Print Network [OSTI]

FR: Maureen Evans, Management Services Officer UC Santa Barbara Materials Research Laboratory tel, Management Services Officer Materials Research Laboratory University of California Santa Barbara, CA 93106-5121 The certificate should be mailed or faxed to: Materials Research Laboratory Attn; Maureen Evans, Management

Bigelow, Stephen

78

Terahertz characterisation of building R. Piesiewicz, T. Kleine-Ostmann, N. Krumbholz,  

E-Print Network [OSTI]

.e. window glass, plaster and pine wood in transmission geometry and calculate the reflection coefficients of window glass (d ¼ 2.84 mm), plaster (d ¼ 2.74 mm) and wood (d ¼ 3.68 mm). In transmission geometry we

Mittleman, Daniel

79

Supersymmetric and Kaluza-Klein Particles Multiple Scattering in the Earth  

E-Print Network [OSTI]

http://en.wikipedia.org/wiki/Earth#Chemical composition [12]Multiple Scattering in the Earth The IceCube CollaborationMultiple Scattering in the Earth Ivone F. M. Albuquerque

Albuquerque, Ivone

2009-01-01T23:59:59.000Z

80

Nice and Fast Implicit Surfaces over Noisy Point Clouds Jan Klein #  

E-Print Network [OSTI]

Zachmann + University of Bonn Abstract We propose a new definition of the implicit surface for a noisy

Zachmann, Gabriel

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81

Soliton ratchets in homogeneous nonlinear Klein-Gordon systems Luis Morales-Molinaa  

E-Print Network [OSTI]

Departamento de Física Aplicada I, E.U.P., Universidad de Sevilla, c/Virgen de África 7, 41011 Sevilla, Spain, the phenomenon is different from that seen in pointlike particles as the de- formations of the soliton play

Sánchez, Angel "Anxo"

82

Agreement-Based Learning Percy Liang, Dan Klein, Michael I. Jordan  

E-Print Network [OSTI]

A T A · · · Computational challenge: doing inference in a loopy graph Agreement-based solution: Break up model into the red; m) Interpretation: Each submodel m independently generates (xm, zm) 1 z1 x1 · · · M zM xM Oagree: Oagree L(, q) def = m Eq log pm(x, z; m) + H(q) E-step: q(z) m pm(x, z; m) M-step: m = argmaxm Eq log p

Pratt, Vaughan

83

Rudd Klein Alternative Energy Ventures LLC aka Phoenix Energy Fund | Open  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revisionEnvReviewNonInvasiveExplorationUT-g Grant ofRichardton Abbey Wind Farm ItRoscoe Wind OwnerRoyse

84

(References: Klein SA, RB McCoy, H Morrison, AS Ackerman, A  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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85

Microsoft PowerPoint - KLEIN_ARM_STM08_POSTER.ppt  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping Richland OperationsU.S. Commercial Service Webinar

86

Microsoft PowerPoint - klein.cmwg.summary.pps [Compatibility Mode]  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping RichlandScattering PropertiesTechnique for Studying

87

Microsoft PowerPoint - klein.cmwg.summary.ppt [Compatibility Mode]  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces andMapping RichlandScattering PropertiesTechnique for Studying

88

Shape Retrieval using 3D Zernike Descriptors Marcin Novotni Reinhard Klein  

E-Print Network [OSTI]

commonly used e.g. in games or VR environments, etc. On the other hand, modeling of high fidelity 3D.g. cars, airplanes, humans, etc.) that can be used for instance in computer games or VR environments are conceivable, e.g. one classifying cars by brands, i.e. BMW, Mercedes, etc. and the other classifying by type

Behnke, Sven

89

The Hardboiled and the Haunted: Race, Masculinity, and the Asian American Detective  

E-Print Network [OSTI]

Klein. Ohio: Bowling Green State University Popular Press,Klein. Ohio: Bowling Green State University Popular Press,Klein. Ohio: Bowling Green State University Popular Press,

McMillin, Calvin

2012-01-01T23:59:59.000Z

90

Jailal Nicholas G Ablack Yohannes Abreham Mebrahtu  

E-Print Network [OSTI]

Broomfield Katrina Lin Brown Melissa Suzanne Brown Stephanie Anne Brown Trevor Cormac Vincent Bruen Luanne Donald Cameron Mark Wickus Camp Dawn Doreen Campbell Kathryn Campbell Maureen Margaret Carey Nikola

Sinnamon, Gordon J.

91

MEETING OF THE GRADUATE COUNCIL November 17, 2010  

E-Print Network [OSTI]

, Kaye Sweetser, Norman Thomson, Amitabh Verma Janet Westpheling, and Andrew Whitford. Maureen Grasso at the January 2011 meeting of the Graduate Council. B. Administrative Committee Report - Andrew B. Whitford

Scott, Robert A.

92

A Strategic Plan for Institutional Climate  

E-Print Network [OSTI]

were involved: Mark Abbott Amy Charron Maureen Childers Terri Cook Drew Desilet Jeff Goby, meaning that every gram of methane will trap 23 times as much solar radiation as a gram of CO2. 4

Escher, Christine

93

Nitzschia pungens Grunow f. multiseries Hasle: growth phases and toxicity of clonal cultures isolated from Galveston, Texas  

E-Print Network [OSTI]

NITZSCHIA PUNGE1VS GRUNOW F. MULTISERIES HASLE: GROWTH PHASES AND TOXICITY OF CLONAL CULTURES ISOLATED FROM GALVESTON, TEXAS A Thesis by MAUREEN ELIZABETH REAP Submitted to the Once of Graduate Studies of Texas AkM University in partial... fulfillment of the requirements for the degree of MASTER OF SCIENCE May 1991 Major Subject: Oceanography NITZSCHIA PUNGENS GRUNOW F. MUITISERIES HASLE: GROWTH PHASES AND TOXICITY OF CLONAL CULTURES ISOLATED FROM GALVESTON) TEXAS A Thesis by MAUREEN...

Reap, Maureen Elizabeth

1991-01-01T23:59:59.000Z

94

OPTIMIZATION OF HYBRID GEOTHERMAL HEAT PUMP SYSTEMS Scott Hackel, Graduate Research Assistant; Gregory Nellis, Professor; Sanford Klein,  

E-Print Network [OSTI]

1 OPTIMIZATION OF HYBRID GEOTHERMAL HEAT PUMP SYSTEMS Scott Hackel, Graduate Research Assistant, Madison, WI, United States Abstract: Hybrid ground-coupled heat pump systems (HyGCHPs) couple conventional ground- coupled heat pump (GCHP) equipment with supplemental heat rejection or extraction systems

Wisconsin at Madison, University of

95

Frictional Drag Mechanisms between Polymer-Bearing T. Kreer, M. H. Muser,*, K. Binder, and J. Klein,  

E-Print Network [OSTI]

the sliding direction. This effect is particularly strong for surfaces bearing polymer brushes. In this case important applications as lubricants. Therefore, the investigation of these friction forces between polymer phenomena, flotation of minerals and oil recovery, and so forth. In the present study, we focus

Mueser, Martin

96

CLIMATE MODELING BEST ESTIMATE DATASET (CMBE) -NEW ADDITIONS Renata McCoy, Shaocheng Xie, Stephen Klein, Lawrence Livermore National Laboratory  

E-Print Network [OSTI]

CLIMATE MODELING BEST ESTIMATE DATASET (CMBE) - NEW ADDITIONS Renata McCoy, Shaocheng Xie, Stephen ARM product, the Climate Modeling Best Estimate (CMBE) dataset, is being augmented with the additional observational and model data. The CMBE dataset was created to serve the needs of climate model developers

97

NOMINATIONS INVITED The Executive Director of the Karl W. Ber Solar Energy Medal of Merit Trust, Prof. Michael T. Klein  

E-Print Network [OSTI]

NOMINATIONS INVITED · The Executive Director of the Karl W. Böer Solar Energy Medal of Merit Trust will be awarded to an individual who has made significant pioneering contributions in solar energy, wind energy to the fields of solar energy, wind energy, or other forms of renewable energy in other ways. PANEL OF JUDGES

Firestone, Jeremy

98

Phonon and elastic instabilities in MoC and MoN Gus L. W. Hart* and Barry M. Klein  

E-Print Network [OSTI]

illustrating the rich behavior of carbo-nitride materials. The early transition metal carbides and nitrides high transition temperatures. We show that the elastic instability in B1-structure MoN, demonstrated the calculations re- ported here were performed with the linear-augmented- plane-wave method.2­4 The B1 carbides

Hart, Gus

99

Fabry-Prot Interference in Gapped Bilayer Graphene with Broken Anti-Klein Tunneling Anastasia Varlet,1,*  

E-Print Network [OSTI]

the efficiency of sharp potential steps between the n- and p-type regions, which play the role, Tsukuba 305-0044, Japan (Received 13 June 2014; published 8 September 2014) We report the experimental or the particle energy is varied. In solid-state physics, graphene has proven to be a sui- table material

Schubart, Christoph

100

Nr. 145 / 2014 // 18. Juli 2014 Prof. Dr. Bernd Kleine-Gunk (re.) bergibt, stellvertretend fr seine umfangreiche Sammlung,  

E-Print Network [OSTI]

. Markus Zanner, Kanzler der Universität Bayreuth. Insgesamt sind jetzt zunächst 50 Gemälde sowie zwei

Ullmann, G. Matthias

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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101

`Een republiek in het klein'. Noord-Nederlandse leesgezelschappen en hun lectuurkeuze in het Verenigd Koninkrijk der Nederlanden, 1815-1830  

E-Print Network [OSTI]

daarvan lopen enorm uiteen. Er worden boeken gelezen over reizen naar Suriname, de levens van bekende

van Rooij, Robert

102

Nuclear Dependence of the Production of \\Upsilon Resonances at 800 GeV D. M. Alde, H. W. Baer, T. A. Carey, G. T. Garvey, A. Klein,  

E-Print Network [OSTI]

, Y. B. Hsiung Fermilab, Batavia, Illinois 60510 M. R. Adams University of Illinois at Chicago, Chicago, Illinois 60680 R. Guo, D. M. Kaplan Northern Illinois University, DeKalb, Illinois 60115 R. L. Mc, particularly in connection with J=/ production in high­energy heavy ion collisions. 1\\Gamma6 Nuclear dependence

103

Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector  

E-Print Network [OSTI]

matter annihilations in the Sun from the IceCube 22-stringmatter annihilations in the Sun from the IceCube 22-stringmatter annihilations in the Sun has been performed with the

Abbasi, R.

2010-01-01T23:59:59.000Z

104

A review of "Literature, Mapping and the Politics of Space in Early Modern Britain." by Andrew Gordon and Bernhard Klein, eds.  

E-Print Network [OSTI]

and the Politics of Space in Early Modern Britain. Cambridge: Cam- bridge University Press. xiii + 276 pp. + 30 illus. $59.95. Review by IRA CLARK, UNIVERSITY OF FLORIDA. This collection includes an introduction by the editors and an epilogue by Richard...

Ira Clark

2002-01-01T23:59:59.000Z

105

RESIDENTIAL WATER DEMAND MANAGEMENT: LESSONS FROM AURORA, COLORADO1 Douglas S. Kenney, Christopher Goemans, Roberta Klein, Jessica Lowrey, and Kevin Reidy2  

E-Print Network [OSTI]

RESIDENTIAL WATER DEMAND MANAGEMENT: LESSONS FROM AURORA, COLORADO1 Douglas S. Kenney, Christopher). In this study of Aurora, Colorado, factors influencing residential water demand are reviewed during a turbulent Reidy, 2008. Residential Water Demand Management: Lessons from Aurora, Colorado. Journal of the American

Colorado at Boulder, University of

106

Critical Temperature Associated to Symmetry Breaking of Klein--Gordon fields versus Condensation Temperature in a Weakly interacting Bose--Einstein Gas  

E-Print Network [OSTI]

We deduce the relation between the critical temperature associated to the symmetry breaking of scalar fields with one--loop correction potential immersed in a thermal bath and the condensation temperature of the aforementioned system, assuming a harmonic oscillator type potential. We show that these two temperatures are related through the \\emph{scale} associated to the system. In this aim, we infer the order of magnitude for the \\emph{scale} as a function of the corresponding healing length, in order to give a criterium to compare both temperatures. Additionally, we prove that the condensation temperature is independent of the thermal bath within the semiclassical approximation, for a positive coupling constant, assuming that the thermal bath contribution is the lowest energy associated to the system.

Elias Castellanos; Tonatiuh Matos

2012-07-09T23:59:59.000Z

107

183University of Minnesota Morris 200911 Catalog Administration  

E-Print Network [OSTI]

University Madeline Maxeiner (1976), Associate Vice Chancellor for External Relations and Director of Fund183University of Minnesota Morris 2009­11 Catalog Administration and Faculty University Regents, Congressional District 4 Maureen Ramirez, At Large University Administrators Robert H. Bruininks, President E

Amin, S. Massoud

108

11/04/2005 09:05 PMChemical & Engineering News: SCIENCE/TECHNOLOGY -BOXED IN: CHEMISTRY IN CONFINED SPACES Page 1 of 17http://pubs.acs.org/isubscribe/journals/cen/78/i34/html/7834scit1.html  

E-Print Network [OSTI]

11/04/2005 09:05 PMChemical & Engineering News: SCIENCE/TECHNOLOGY - BOXED IN: CHEMISTRY the consequences of confinement of reative species A. Maureen Rouhi C&EN Washington Most organic chemical reactions/Technology Education ACS News Calendars Books Software/Online Briefs ACS Comments Career & Employment Special Reports

Jayaraman, Sivaguru

109

The University of Chicago Laboratory Schools NURSERY AND LOWER SCHOOL FACULTY 2010-2011SCHOOL FACULTY 2011-2012  

E-Print Network [OSTI]

Mulholland, David Williamson 5750 (2nd floor)* Unit 3 (Woodlawn) Maureen Campbell Jane Burwell, Paige James Foley Burckardt Blaine 199 702-0477 LEARNING SPECIALIST Susan Olander Blaine 199 834-0530 LIBRARY Irene Coffield Sunny 109 834-7539 Dan Dyra Sunny 117 834-7551 Meghan Janda Sunny 109 834-7536 Bud James Sunny 109

Scherer, Norbert F.

110

Vol 441|29 June 2006 RESEARCH HIGHLIGHTS  

E-Print Network [OSTI]

. Maureen Raymo of Boston University and her colleagues argue that the proximity effect is cancelled out for global climate; further data might determine which effect is the greater. MICROBIOLOGY Quickcostumechange University in Flagstaff and his colleagues have looked into what exactly is on show. The main weapon

Husak, Jerry F.

111

Amphiphilic Hyperbranched Fluoropolymer Networks as Passive and Active Antibiofouling Coatings: From Fundamental Chemical Development to Performance Evaluation  

E-Print Network [OSTI]

(Newcastle U.), John Finlay and Maureen and Jim Callow (U. Birmingham), for our work on the HBFP-PEG array as well as for the tireless testing of many coatings over the years. Mike Eller and Emile Schweikert (Texas A&M U.), for SIMS analysis...

Imbesi, Philip

2012-10-19T23:59:59.000Z

112

Franklin College Faculty Senate Minutes of the meeting of Tuesday, October 21, 2008  

E-Print Network [OSTI]

; Bethany Moreton for Shane Hamilton; Steven Grossvogel for Batina Kaplan; Mark Farmer for Edward Kipreos to health insurance premiums. 3. Informed the senate that Maureen Grasso, dean of the Graduate School, has the recent poll: (1) potential changes in teaching loads, (2) more flexible teaching schedules, (3) rising

Arnold, Jonathan

113

UNIVERSITY OF NICE -SOPHIA ANTIPOLIS DOCTORAL SCHOOL STIC  

E-Print Network [OSTI]

UNIVERSITY OF NICE - SOPHIA ANTIPOLIS DOCTORAL SCHOOL STIC SCIENCES ET TECHNOLOGIES DE L of Nice - Sophia Antipolis Specialty : Control, Signal and Image Processing Defended by Emmanuel Olivi at INRIA Sophia Antipolis, Athena Project Team defended on December, 14th 2011 Advisor : Maureen Clerc

Paris-Sud XI, Université de

114

The Plastic Ocean Michael Gonsior  

E-Print Network [OSTI]

The Plastic Ocean Michael Gonsior Bonnie Monteleone, William Cooper, Jennifer O'Keefe, Pamela Seaton, and Maureen Conte #12;#12;#12;Plastic does not biodegrade it photo-degrades breaking down is the plastic cheese wrap? Unfortunately, marine creatures mistake plastics in the ocean for food #12

Boynton, Walter R.

115

MSU Extension Publication Archive Archive copy of publication, do not use for current recommendations. Up-to-date  

E-Print Network [OSTI]

Disorders Michigan State University Extension Service Christine T. Stephens, Department of Botany and Plant Disorders Cooperative Extension Service · Michigan State University #12;Contents By Christine T. Stephens Agent, Monroe County. Dr. Kenneth Pohronezny. Uni- versity of Florida; Tom Stebbins and Maureen Mulligan

116

MEETING OF THE GRADUATE COUNCIL April 20, 2011  

E-Print Network [OSTI]

Lessl, Leara Rhodes, Wendy Ruona, Diane Samdahl, Anne Summers, Norman Thomson, Marc van Iersel, Amitabh Verma, Janet Westpheling, Catherine White, Andrew Whitford and David Wright. Maureen Grasso, David July 1, 2011. After much discussion, the motion was passed. C. Administrative Committee Report - Andrew

Gittleman, John

117

, Mark Johnson1 , Wu Meng Tan1  

E-Print Network [OSTI]

Paul Pace1 , Mark Johnson1 , Wu Meng Tan1 , Georgina Mosedale1 , Chelvin Sng1 , Maureen Hoatlin2@mrc-lmb.cam.ac.uk P.Pace and M.Johnson contributed equally to this work The Fanconi anaemia (FA) nuclear complex (com

Patel, KJ

118

Funded Faculty Research Grants Committee Name: FRG -Applied Life Sciences Committee  

E-Print Network [OSTI]

Philosophy Liefferinge Stefaan Lamar Dodd School of Art McLaurin Clay Lamar Dodd School of Art Medvedev Lamar Dodd School of Art Seymour Melissa Maureen Philosophy van Wagtendonk Martijn Lamar Dodd School Nancy Classics Gloeckler Tad Lamar Dodd School of Art Halper Edward Philosophy Harshman Melissa Lamar

Scott, Robert A.

119

Mechanical engineering Department Seminar  

E-Print Network [OSTI]

Mechanical engineering Department Seminar Maureen Lynch Postdoctoral Fellow Cornell University Mechanical Loading Decreases Osteolysis and Tumor Formation via Effects on Bone Remodeling 11:00 AM Friday to mechanical stimuli in the skeleton, yet the role of biomechanical loading remains poorly characterized

Lin, Xi

120

TRACKING TONGUE MOTION IN THREE DIMENSIONS USING TAGGED MR IMAGES Xiaofeng Liu1  

E-Print Network [OSTI]

TRACKING TONGUE MOTION IN THREE DIMENSIONS USING TAGGED MR IMAGES Xiaofeng Liu1 , Maureen Stone3 and strain analysis of tagged magnetic res- onance (MR) imaging [1]. It was originally applied to car- diac This research was supported by NIH grants R01 HL047405 and R01 DC001758 (a) (b) Fig. 1. (a) A tagged MR image

Prince, Jerry L.

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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121

2014 MBL Directory Name Email Extension Location  

E-Print Network [OSTI]

BH-21C Brosseau, William wbrosseau@mbl.edu 7773 L-POM Shop Bryant, Horace hbryant@mbl.edu 7228/7326 L@rwu.edu 7205 R-301 Conte, Maureen mconte@mbl.edu 7744 SB-328 Cook, Diane dcook@mbl.edu 7243 L-220 Costa Junior

Vallino, Joseph J.

122

FORCE STUDIES OF MULTIPLE KTNESIN-1 AND EG5 MOLECULAR MOTORS EVAN TACLIBON GRAVES  

E-Print Network [OSTI]

Altepeter, Evan Jeffrey, Kerrie Huizinga, Michelle Nahas, Amy Rieter, Carla Heitzman, Emily Klein, George

Illinois at Urbana-Champaign, University of

123

Supplemental Material for the SIGGRAPH 2005 Poster "The Expected Running Time of Hierarchical Collision  

E-Print Network [OSTI]

Collision Detection" Jan Klein University of Paderborn Gabriel Zachmann Clausthal University Figure 1

Zachmann, Gabriel

124

Computer Graphics International 2004 (CGI), June 1619, Crete, Greece. IEEE Computer Society Press. Consistent Normal Orientation for Polygonal Meshes  

E-Print Network [OSTI]

. Consistent Normal Orientation for Polygonal Meshes Pavel Borodin Gabriel Zachmann Reinhard Klein Institute

Zachmann, Gabriel

125

Proximity Graphs for Defining Surfaces over Point Clouds  

E-Print Network [OSTI]

over Point Clouds Gabriel Zachmann University of Bonn Germany Jan Klein University of Paderborn Germany

Behnke, Sven

126

Computer Graphics International (CGI), June 1619, 2004, Crete, Greece. IEEE Computer Society Press. Visual-fidelity dataglove calibration  

E-Print Network [OSTI]

. Visual-fidelity dataglove calibration Ferenc Kahlesz Gabriel Zachmann Reinhard Klein Dept. of Computer

Zachmann, Gabriel

127

Computer Graphics International 2004 (CGI), June 16--19, Crete, Greece. IEEE Computer Society Press. Consistent Normal Orientation for Polygonal Meshes  

E-Print Network [OSTI]

. Consistent Normal Orientation for Polygonal Meshes Pavel Borodin Gabriel Zachmann Reinhard Klein Institute

Zachmann, Gabriel

128

Copyright 2001 Psychonomic Society, Inc. 1314 Perception & Psychophysics  

E-Print Network [OSTI]

- scientious peer review, and we thank our reviewers, David Foster, Stan Klein, Marjorie Leek, and Bernhard

129

A review of "English Clandestine Satire, 1660-1702" by Harold Love  

E-Print Network [OSTI]

perspectives on familiar authors and texts and at the same time highlights new ways of considering the significance of the sites of production and the modes of transmission as part of understanding the poetics of the text and the dynamics of the period. Anthony... Adolph. Full of Soup and Gold: The Life of Henry Jermyn. London: Anthony Adolph, 2006. Cloth. 324 pp., 31 images. ?17.95. Review by MAUREEN E. MULVIHILL, PRINCETON RESEARCH FORUM, PRINCETON, NEW JERSEY. Revisionist biographers must be master...

Ezell, Margaret J.M.

2007-01-01T23:59:59.000Z

130

A review of "Scholar Bishop: The Recollections and Diary of Narcissus Marsh." by Raymond Gillespie ed.  

E-Print Network [OSTI]

: The Recollections and Diary of Narcissus Marsh, 1638-1696. Cork: Cork University Press, 2003. vi + 100 pp. Paper ?17.60. Irish Narratives Series, edited by David Fitzpatrick. Review by MAUREEN E. MULVIHILL, PRINCETON RESEARCH FORUM, NEW JERSEY. A broadly..., if modestly slim, new work on arguably the premier bookman of seventeenth-century Ireland: Narcissus Marsh (1638- 1713). An English cleric from Hannington, Wiltshire, Marsh became Provost of Trinity College Dublin, founder of Marsh?s Library in Dublin...

Maureen E. Mulvihill

2004-01-01T23:59:59.000Z

131

"Justification of Effort" in Animals 60 Animals Prefer Reinforcement that Follows Greater Effort  

E-Print Network [OSTI]

, Emily Klein, Kelly DiGian, and Jrme Alessandri without whose help mush of the research described

Cook, Robert

132

Hearts of Darkness: Race and Urban Epistemology in American Noir  

E-Print Network [OSTI]

Klein. Ohio: Bowling Green State University Popular Press,Green, OH: Bowling Green State University Popular, 1985.

Andryeyev, Bonnie Rhee

2012-01-01T23:59:59.000Z

133

The APOBEC-2 crystal structure and functional implications for the deaminase AID  

E-Print Network [OSTI]

Prochnow1 *, Ronda Bransteitter1 *, Michael G. Klein1 , Myron F. Goodman1 & Xiaojiang S. Chen1 APOBEC-2

Chen, Xiaojiang

134

allmann sattler wappner: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ambient occlusion computation Mirko Sattler, Ralf Sarlette, Gabriel Zachmann, Reinhard Klein Computer Technologies and Information Sciences Websites Summary:...

135

Supplemental Material for the Siggraph Sketch "Nice and Fast Implicit Surfaces over Noisy Point Clouds"  

E-Print Network [OSTI]

Clouds" Jan Klein Gabriel Zachmann (a) (b) (c) (d) Figure 1: Visualization of the implicit function f

Zachmann, Gabriel

136

tel-00845885,version1-18Jul2013 tel-00845885,version1-18Jul2013  

E-Print Network [OSTI]

-Kikuchi, Nicolas Bergeal, Thierry Klein et Aviad Frydman d'avoir bien voulu ^etre rapporteurs et examinateurs de

Paris-Sud XI, Universit de

137

Normal and Shear Forces between a Polyelectrolyte Brush and a Solid Surface  

E-Print Network [OSTI]

-FRANC¸ OIS GOHY,2 ROBERT JE´RO^ ME,2 JACOB KLEIN1,3 1 Department of Materials and Interfaces, Weizmann decade there have been many re- ports on normal and shear forces between sur- faces bearing polymeric--Division of Polymer Physics, Montreal, Canada Correspondence to: J. Klein (E-mail: jacob.klein@weizmann. ac

Klein, Jacob

138

Nagarajan Vaidehi and Judith Klein-Seetharaman (eds.), Membrane Protein Structure and Dynamics: Methods and Protocols, Methods in Molecular Biology, vol. 914, DOI 10.1007/978-1-62703-023-6_14, Springer Science+Business Media, LLC 2012  

E-Print Network [OSTI]

, peptides, lipids, nucleotides, and proteins) modulate GPCR activity to affect regulation of essential physiological processes (e.g., neurotransmission, cellular metabolism, secretion, cell growth, immune defense

Goddard III, William A.

139

A review of "Puritan Conquistadors: Iberianizing the Atlantic, 1550-1700" by Jorge Caizares-Esguerra  

E-Print Network [OSTI]

that will be as valuable to scholars of Renaissance English literature who engage Spanish- or Portuguese-language sources as it will to their Hispanist counterparts. John McCavitt with original drawings by Se?n ? Br?g?in. The Flight of the Earls: An Illustrated History.... Co. Down, No. Ireland: April Sky Design. 144pp + 127 B&W ill + 35 color ill. Cloth, ?20, paper, ?14. Review by maureen e. mulvihill, princeton research forum, n.j. ?ire?s Choice Heroes: Rory O?Donnell and Hugh O?Neill, with Flight of the Earls...

Elizabeth, Wright

2009-01-01T23:59:59.000Z

140

A review of "The Flight of the Earls: An Illustrated History" by John McCavitt with original drawings by Sen Brgin  

E-Print Network [OSTI]

as it will to their Hispanist counterparts. John McCavitt with original drawings by Se?n ? Br?g?in. The Flight of the Earls: An Illustrated History. Co. Down, No. Ireland: April Sky Design. 144pp + 127 B&W ill + 35 color ill. Cloth, ?20, paper, ?14. Review by maureen e...?g?in (An Cloch?n, County Donegal) ? 2007. From jacket (verso), John McCavitt?s Flight of the Earls: An Illustrated History (2007); and image detail, p 74. With kind permission, May 2008 reviews 27 Warrior heroes and the lore of warrior heroes...

Mulvihill, Maureen

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

E-Print Network 3.0 - areas feasibility safety Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Stephanie Perry Business Manager Kevin Charbonneau ARSO SA Co... -manager Brenda Armstrong Environmental Affairs Manager Rob Klein Deputy Director Ben Fontes Bio. Safety...

142

SERVIO PBLICO FEDERAL UNIVERSIDADE FEDERAL DE SANTA CATARINA  

E-Print Network [OSTI]

[Laboratório Central de Oceanografia] ­ OTEC- LCO (prof. Antônio Henrique da Fontoura Klein), 9. Laboratório

Floeter, Sergio Ricardo

143

Joint Appointments Program  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

State University John Gilligan Oregon State University Andrew Klein University of Idaho Hasan Jamil Robert Smith University of Nevada, Las Vegas Thomas Hartmann University of...

144

E-Print Network 3.0 - astigmatismo corneal inducido Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

at Berkeley Collection: Biology and Medicine 11 Corneal Topography: A review, new ANSI standards and problems to solve Stanley A. Klein Summary: Corneal Topography: A review,...

145

Dichtefunktionaluntersuchungen zur Reaktivitt von non-IPR-Fullerenen.  

E-Print Network [OSTI]

??Kleine Fullerene stellen ein wichtiges Teilgebiet der Forschung an nanostrukturierten Kohlenstoffmaterialien dar. Sie sind jedoch sehr reaktiv, da sie die Regel der isolierten Fnfringe (IPR) (more)

Bihlmeier, Angela

2009-01-01T23:59:59.000Z

146

The AIDS Poets, 1985-1995: From Anti-Elegy to Lyric Queerness  

E-Print Network [OSTI]

and Transformation in Six American Poets. New York: Norton,2005. Klein, Michael, ed. Poets for Life:Seventy-Six Poets respond to AIDS. New York: Crown, 1989.

Gorelik, Aaron Bradley

2014-01-01T23:59:59.000Z

147

E-Print Network 3.0 - astrometric observations influence Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

d d d -g (, ) 1 + 1 -g... particles undergoing radial motion relative to comoving (geodesic) ... Source: Klein, David - Department of Mathematics, California State University,...

148

Litigation in Argentina: challenging the tobacco industry.  

E-Print Network [OSTI]

Liability Board Update: Argentina and Brazil. 12 Oct 1999.Tobacco litigation in Argentina Mairal H. Klein & Mairal.SA. Chadbourne & Parke. Argentina Status Chart. 19 Jul 1999.

Flores, M L; Barnoya, J; Mejia, R; Alderete, E; Prez-Stable, E J

2006-01-01T23:59:59.000Z

149

N E W G E O M E T R I C D ATA S T R U C T U R E S F O R C O L L I S I O N D E T E C T I O N  

E-Print Network [OSTI]

2012 supervisors: Prof. Dr Zachmann Prof. Dr Andreas Weber location: Clausthal-Zellerfeld time frame, Jan Klein and Gabriel Zachmann: A Model for the Expected Running Ti

Zachmann, Gabriel

150

E-Print Network 3.0 - assembly forthe pogolite Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Dept. of Physics... , and The Oskar Klein Centre for Cosmoparticle Physics, Stockholm, Sweden). For the PoGOLite Collaboration1... around com- pact astrophysical sources....

151

aboard container cargo: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

system's dynamic. Klein, Sarah; Santen, Ludger 2014-01-01 52 MFR PAPER 1038 Inexpensive plastic containers Environmental Sciences and Ecology Websites Summary: MFR PAPER 1038...

152

Schlumberger Resistivity Soundings At Kilauea East Rift Geothermal...  

Open Energy Info (EERE)

Schlumberger Resistivity Soundings At Kilauea East Rift Geothermal Area (Kauahikaua & Klein, 1978) Exploration Activity Details Location Kilauea East Rift Geothermal Area...

153

USING COGNITIVE MODELING TO STUDY BEHAVIOR MODERATORS: PRE-TASK APPRAISAL AND ANXIETY  

E-Print Network [OSTI]

Health The Pennsylvania State University University Park, Pennsylvania Karen Quigley., Reifers, A., Klein, L. C., Quigley, K., & Schoelles, M. (2004). Using cognitive modeling to study behavior

Ritter, Frank

154

January 2013 Most Viewed Documents for Renewable Energy Sources...  

Office of Scientific and Technical Information (OSTI)

Energy Consortium of New York Photovoltaic Research and Development Center Klein, Petra M. A Feasibility Study to Evaluate Wind Energy Potential on the Navajo Nation Terry Battiest...

155

Fred H. Rodriguez ('75) Kenneth N. Adatto ('68)  

E-Print Network [OSTI]

D Bennett P. deBoisblanc ('81) William J. DeFee III ('71) Charles J. III ('87) and Mrs. DePaolo Dr. O, Jr. ('56)* R. Bruce Jordan ('62) William H. Kinnard ('79) Russell C. Klein ('59) David G. Kline, MD) Mark Juneau, Jr. ('73) Russell C. Klein ('59) James J. Leonard ('63) Steve Nelson, MD Dean Earl J

156

Fred H. Rodriguez ('75) Kenneth N. Adatto ('68)  

E-Print Network [OSTI]

) William J. DeFee III ('71) Charles J. III ('87) & Mrs. DePaolo Dr. O.R. ('42)* & Mrs. Depp De, Jr. ('56)* R. Bruce Jordan ('62) P. David Kearns ('79) William H. Kinnard ('79) Russell C. Klein ('59) Mark Juneau, Jr. ('73) Russell C. Klein ('59) James J. Leonard ('63) Steve Nelson, MD - Dean Earl J

157

Programaci primer trimestre curs 2009-2010  

E-Print Network [OSTI]

, (Salzburg, 1756 - Viena, 1791) Serenata nm. 13 en sol major, Kv 525 "Eine Kleine nachtmusik" Allegro per a dos violins Op.3 nm. 8 "L'Estro Armonico" Allegro Larghetto e spiritoso Allegro Solistes: Jlia major, Kv 525 "Eine Kleine nachtmusik" Allegro Romance Menuetto Rondo Franz Schubert (Viena, 1797

Geffner, Hector

158

J. Phys.: Condens. Matter 12 (2000) A19A27. Printed in the UK PII: S0953-8984(00)09085-8 Entropic interactions: neutral and end-functionalized chains  

E-Print Network [OSTI]

interactions: neutral and end-functionalized chains in confined geometries Jacob Klein Weizmann Institute of Science, Rehovot 76100, Israel E-mail: jacob.klein@weizmann.ac.il Received 29 October 1999 Abstract measurements of the normal and shear forces between surfaces bearing layers of telechelic brushes are in line

Klein, Jacob

159

Genomic Sequence or Signature Tags (GSTs) from the Genome Group at Brookhaven National Laboratory (BNL)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Genomic Signature Tags (GSTs) are the products of a method we have developed for identifying and quantitatively analyzing genomic DNAs. The DNA is initially fragmented with a type II restriction enzyme. An oligonucleotide adaptor containing a recognition site for MmeI, a type IIS restriction enzyme, is then used to release 21-bp tags from fixed positions in the DNA relative to the sites recognized by the fragmenting enzyme. These tags are PCR-amplified, purified, concatenated and then cloned and sequenced. The tag sequences and abundances are used to create a high resolution GST sequence profile of the genomic DNA. [Quoted from Genomic Signature Tags (GSTs): A System for Profiling Genomic DNA, Dunn, John J.; McCorkle, Sean R.; Praissman, Laura A.; Hind, Geoffrey; Van der Lelie, Daniel; Bahou, Wadie F.; Gnatenko, Dmitri V.; Krause, Maureen K., Revised 9/13/2002

Dunn, John J.; McCorkle, Sean R.; Praissman, Laura A.; Hind, Geoffrey; Van der Lelie, Daniel; Bahou, Wadie F.; Gnatenko, Dmitri V.; Krause, Maureen K.

160

Towards Green Cryptography: a Comparison of Lightweight Ciphers from the Energy Viewpoint  

E-Print Network [OSTI]

Towards Green Cryptography: a Comparison of Lightweight Ciphers from the Energy Viewpoint St], KATAN [2], KLEIN [10], LED [11], mCrypton [16], NOEKEON [3], Piccolo [20], PRESENT [1], SEA [21] and TEA

Nesterov, Yurii

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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161

18 Harvard Business Review | September 2007 | hbr.org A survey of ideas, trends, people, and practices on the business horizon  

E-Print Network [OSTI]

died, and so asks what did go wrong. The team GRIST Performing a Project Premortem by Gary Klein Joel an occupational ideology that confers a more positive image on the work by reframing it, according to Blake E

Rudowsky, Ira

162

CREATING A SMOOTH PATHWAY FROM INNOVATION TO  

E-Print Network [OSTI]

: Kate Blake Date Graduate Assistant, Energy and Resources Group #12;2 Acknowledgements This project needed and freedom when required. A special thanks goes to Gary Klein, who provided many insightful tips

Kammen, Daniel M.

163

Center for Science and Technology Policy Research Briefing #12, __ April 2008  

E-Print Network [OSTI]

, during drought: Kenney, D.S., C. Goemans, R. Klein, J. Lowrey, and K. Reidy. 2008. Residential Water., Gratz, J., Landsea, C. W., Collins, D., Saunders, M., and Musulin, R., 2008. Normalized Hurricane

Colorado at Boulder, University of

164

Revised Version DAMTP200534 DESY05073  

E-Print Network [OSTI]

-2005-34 DESY-05-073 Higher Derivative Operators from Transmission of Supersymmetry Breaking on S 1 =Z 2 electroweak symmetry breaking 2 triggered by towers of Kaluza-Klein states of bulk #12;elds which couple, via

165

ARM Climate Modeling Best Estimate from Manus Island, PNG with additional satellite product (ARMBE-CLDRAD TWPC1 V2.1a)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

166

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

167

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2 V2.1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

168

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-CLDRAD [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected cloud and radiation relevant quantities from ACRF observations

McCoy, Renata; Xie, Shaocheng

169

ARM Climate Modeling Best Estimate from Darwin, AU (ARMBE-CLDRAD TWPC3 V2.1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

170

ARM Climate Modeling Best Estimate from Nauru with additional satellite product (ARMBE-CLDRAD TWPC2 V2.1a)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

171

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC3)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

172

ARM Climate Modeling Best Estimate from Manus Island, PNG (ARMBE-CLDRAD TWPC1 V2.1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

173

ARM Climate Modeling Best Estimate Barrow, AK with additional satellite product (ARMBE-CLDRAD NSAC1 V2.1a)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

174

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

175

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

176

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

177

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1 V2.1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

178

ARM Climate Modeling Best Estimate from Darwin, AU with additional satellite product (ARMBE-CLDRAD TWPC3 V2.1a)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

179

2008 WINNERS College of Science & Engineering  

E-Print Network [OSTI]

LINES By: Molly Klein-McDowell, Graeme Hodgson (UCSF), Wen-Lin Kuo (LBNL), Andrei Goga (UCSF), Dr. Chris Benz (Buck Institute), Dr. Joe W. Gray (LBNL), Dr. Paul Yaswen (LBNL) Cell and Molecular Biology

180

HIGH DENSITY SINTERING OF IKON-CARBON ALLOYS VIA TRANSIENT LIQUID PHASE  

E-Print Network [OSTI]

E. Reed-Hill, Physical Metallurgy Principles, 2nd Edition,Introduction to Powder Metallurgy, American P/M Institute,Int 1 1 J. of Powder Metallurgy, John Klein, A preliminary

Lam, T.T.

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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181

Preventive Care for Children in the United States: Quality and Barriers  

E-Print Network [OSTI]

aged 1418 years in King County, WA Yu et al. 2002 Klein etaged 1418 years in King County, WA 302 randomly selectedaged 1418 years in King County, WA Chart review, 1998

Chung, Paul J.; Lee, Tim C.; Morrison, Janina L.; Schuster, Mark A.

2006-01-01T23:59:59.000Z

182

Timelike reduction and T-duality  

E-Print Network [OSTI]

In the light of recent developments in Superstring Theory, it has become of interest to study Kaluza-Klein dimensional reduction of supergravities not only on spatial manifolds, but also on the time direction. We study a particularly relevant class...

Scuro, Sante Rodolfo

2012-06-07T23:59:59.000Z

183

E-Print Network 3.0 - arkadi ebber veiko Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Annette Ebbers-Baumann1 , Ansgar Grune1... of Computer Science I, D-53117 Bonn, Germany ebbers, gruene, rolf.klein@cs.uni-bonn.de 2 University of Bonn... , pp. 5-16, 2005....

184

Algorithmic modeling of decision making over networks  

E-Print Network [OSTI]

Tardos. Maximizing the David Kempe, Jon M. Kleinberg, andNicole Immorlica, David Kempe, and Robert Klein- berg.is also related to our work. Kempe et al. [KKT03] considered

Vattani, Andrea

2012-01-01T23:59:59.000Z

185

Calming Troubled Waters: Making Interdisciplinarity Work (RES-224-25-0110)  

E-Print Network [OSTI]

Klein, 1990). Rather, we have concentrated our efforts on examining how natural and social scientists (Reducing the Conflict between Cormorants and Fisheries on a pan-European scale) and IMEW (Integrated

186

The Origins of Korean Adoption: Cold War Geopolitics and Intimate Diplomacy  

E-Print Network [OSTI]

Klein, Christina. 2003. Cold War Orientalism: Asia in theJanuary. . 1953a First Korean War Baby Brought Here byRace and the Post-World-War-II Translation of American.

Kim, E

2015-01-01T23:59:59.000Z

187

Bootstrap multiscale analysis and localization for multi-particle continuous Anderson Hamiltonians  

E-Print Network [OSTI]

We extend the bootstrap multiscale analysis developed by Germinet and Klein to the multi-particle continuous Anderson Hamiltonian, obtaining Anderson localization with finite multiplicity of eigenvalues, decay of eigenfunction correlations, and a strong form of dynamical localization.

Abel Klein; Son Nguyen

2014-04-15T23:59:59.000Z

188

E-Print Network 3.0 - advanced bumpy torus Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Mathematics Page: << < 1 2 3 4 5 > >> Page: << < 1 2 3 4 5 > >> 21 GENERICITY OF GEODESIC FLOWS WITH POSITIVE TOPOLOGICAL ENTROPY ON S2 Summary: ) and the two-torus (Klein...

189

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

SciTech Connect (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

2013-12-26T23:59:59.000Z

190

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)  

SciTech Connect (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

2013-12-26T23:59:59.000Z

191

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1 V4)  

SciTech Connect (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

2013-12-26T23:59:59.000Z

192

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

SciTech Connect (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

2013-12-27T23:59:59.000Z

193

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)  

SciTech Connect (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

2013-12-26T23:59:59.000Z

194

ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)  

SciTech Connect (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

2013-12-26T23:59:59.000Z

195

Joseph H. Hoover Ph.D Student  

E-Print Network [OSTI]

Limited data on commercial and industrial energy use Example: Palo Verde Research California Water-Energy Experience (Klein et al., 2005) Collins, K. 2010 Catalogued annual expenditures for power and es0mated electricity use 311 water

Scott, Christopher

196

Eurographics Symposium on Point-Based Graphics (2004) M. Alexa, S. Rusinkiewicz, (Editors)  

E-Print Network [OSTI]

) Proximity Graphs for Defining Surfaces over Point Clouds Jan Klein1 and Gabriel Zachmann2 1 Heinz Nixdorf. Zachmann / Point Cloud Surface Definition This way, our new method offers the advantages of MLS, but does

Zachmann, Gabriel

197

Stochastic Methods Gabriel Zachmann  

E-Print Network [OSTI]

1 Stochastic Methods Gabriel Zachmann Universität Bonn Motivation ADB-Trees Stochastic Closest-Trees [Klein & Zachmann, 2003] 2. Stochastic Closest Features Tracking [Raghupathi et al., 2004; Debunne & Guy

Behnke, Sven

198

Eurographics Symposium on PointBased Graphics (2004) M. Alexa, S. Rusinkiewicz, (Editors)  

E-Print Network [OSTI]

) Proximity Graphs for Defining Surfaces over Point Clouds Jan Klein 1 and Gabriel Zachmann 2 1 Heinz Nixdorf. Zachmann / Point Cloud Surface Definition This way, our new method offers the advantages of MLS, but does

Zachmann, Gabriel

199

Energy-momentum relation for solitary waves of nonlinear Dirac equations  

E-Print Network [OSTI]

Solitary waves of nonlinear Dirac, Maxwell-Dirac and Klein-Gordon-Dirac equations are considered. We prove that the energy-momentum relation for solitary waves coincides with the Einstein energy-momentum relation for point particles.

T. V. Dudnikova

2014-04-28T23:59:59.000Z

200

New Techniques for the Scientific Visualization of Three-Dimensional  

E-Print Network [OSTI]

their data sets to explore my ideas upon. Thanks to Jerry Potter, Dean Williams, Don Dovey, Steve Pennock, Richard Klein, Bob Corey, Steve Ashby, Elaine Chandler and Tony Ladd for taking the time to get their data

Crawfis, Roger

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

202

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

203

ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

204

ARM Climate Modeling Best Estimate From Nauru (ARMBE-ATM TWPC2)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

205

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

206

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

207

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1 V4)  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

McCoy, Renata; Xie, Shaocheng

208

COMMUNITYMAGAZINE VAN DE UGENT De duurzaamheidsvisie  

E-Print Network [OSTI]

;2 DURF DENKEN 3D-PRINTING `CREATIVITEIT WORDT WERKELIJKHEID, LAAG NA LAAG' #12;3 Studenten laten maken. We onderzoeken nu ook hoe we 3D-printing kunnen inzetten in de productie van kleine reeksen

Gent, Universiteit

209

Schlerlabor Informatik Informatik Enlightened  

E-Print Network [OSTI]

. Zum Glück kann der Arduino mehr! Vielleicht ist euch schon aufgefallen, dass an einigen Pins des Arduino kleine Schlangen (~) abgebildet sind. Diese Pins werden auch PWM-Pins genannt. Auch die Pins 9

210

E-Print Network 3.0 - acute morphine exposure Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

pp. 911-914. PergamonPressplc, 1989.Printedin the U.S.A. 0091-3057893.00 + .00 BRIEF COMMUNICATION Summary: :443-447; 1983. 5. Klein, S. P.; Green, K. F. Tolerance to morphine...

211

Economist's View: "The Hitchhiker's Guide to Altruism" http://economistsview.typepad.com/economistsview/2007/01/the_... 1 of 3 28/1/07 13:30  

E-Print Network [OSTI]

're Trying Edition) (4) Ezra Klein: Defining the Boundaries of Health Care Reform (17) Who Was Milton: Time for Tax Reform? | Main | Helping Displaced Workers » January 20, 2007 "The Hitchhiker's Guide

Gardner, Andy

212

E-Print Network 3.0 - article attachment rings Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

; Engineering 9 Conjectures on the statistics of ring polymers M. E. Cates and J. M. Deutsch (*) Summary: matrix - we refer the reader to a recent article by Klein 27. 4....

213

Actin-binding cleft closure in myosin II probed by site-directed spin labeling and pulsed EPR  

E-Print Network [OSTI]

Jennifer C. Klein*, Adam R. Burr*, Bengt Svensson*, Daniel J. Kennedy*, John Allingham , Margaret A. TitusA). Because the structure of this detached state is little affected by ATP (4), apo

Rayment, Ivan

214

absolute branching fractions: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

D; Gao, K Y; Gong, D T; Kubota, Y; Klein, T; Lang, B W; Li, S Z; Poling, R; Scott, A W; Smith, A; Dobbs, S; Metreveli, Z V; Seth, K K; Tomaradze, A G; Zweber, P; Ernst, J; Mahmood,...

215

absolute branching fraction: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

D; Gao, K Y; Gong, D T; Kubota, Y; Klein, T; Lang, B W; Li, S Z; Poling, R; Scott, A W; Smith, A; Dobbs, S; Metreveli, Z V; Seth, K K; Tomaradze, A G; Zweber, P; Ernst, J; Mahmood,...

216

Journal of Colloid and Interface Science 247, 321326 (2002) doi:10.1006/jcis.2001.8160, available online at http://www.idealibrary.com on  

E-Print Network [OSTI]

Tadmor, ,1 and Jacob Klein, Department of Materials and Interfaces, Weizmann Institute of Science surfaces bear- ing solvated surfactant layers using the surface force balance (SFB) (5­7, 17, 18) show

Klein, Jacob

217

The Modified Dirac Equation  

E-Print Network [OSTI]

We consider the behavior of the particles at ultra relativistic energies, for both the Klein-Gordon and Dirac equations. We observe that the usual description is valid for energies such that we are outside the particle's Compton wavelength. For higher energies however, both the Klein-Gordon and Dirac equations get modified and this leads to some new effects for the particles, including the appearance of anti particles with a slightly different energy.

Burra G. Sidharth

2009-11-10T23:59:59.000Z

218

Investigation of dielectric overlay microstrip circuits  

E-Print Network [OSTI]

INVESTIGATION OF DIELECTRIC OVERLAY MICROSTRIP CIRCUITS A Thesis by JAMES LOUIS KLEIN Submitted to the Graduate College of Texas ARM University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August 1988 Major... Subject: Electrical Engineering INVESTIGATION OF DIELECTRIC OVERLAY MICRO STRIP CIRCUITS A Thesis by JAMES LOUIS KLEIN Approved as to style and content by: Kai Chang Robert D. Nevels (Member) Krzysztof A. Michalski (Member) Mark H. Weichold...

Klein, James Louis

1988-01-01T23:59:59.000Z

219

Built Environmental Correlates of Traffic Collisions  

E-Print Network [OSTI]

, & Sung, 2007; Noland, N. J. Klein, & N. K. Tulach, 2013; White, Raeside, & Barker, 2000). Several possible reasons were identified in previous studies, including the possibility of lower household vehicle ownership in low income areas (which in turn... generate more pedestrian activities and lead to more conflicts between pedestrians and vehicles) (Noland, N. Klein, & N. Tulach, 2013), insufficient non- motorized infrastructure in low income areas (which increase the danger for pedestrians) (Noland et...

Yu, Chia-Yuan

2014-07-01T23:59:59.000Z

220

Coherent quantum states of a relativistic particle in an electromagnetic plane wave and a parallel magnetic field  

SciTech Connect (OSTI)

We analyze the solutions of the KleinGordon and Dirac equations describing a charged particle in an electromagnetic plane wave combined with a magnetic field parallel to the direction of propagation of the wave. It is shown that the KleinGordon equation admits coherent states as solutions, while the corresponding solutions of the Dirac equation are superpositions of coherent and displaced-number states. Particular attention is paid to the resonant case in which the motion of the particle is unbounded. -- Highlights: We study a relativistic electron in a particular electromagnetic field configuration. New exact solutions of the KleinGordon and Dirac equations are obtained. Coherent and displaced number states can describe a relativistic particle.

Colavita, E. [Colegio de Ciencia y Tecnologa, Universidad Autnoma de la Ciudad de Mxico, Mxico, D.F., 09790 (Mexico)] [Colegio de Ciencia y Tecnologa, Universidad Autnoma de la Ciudad de Mxico, Mxico, D.F., 09790 (Mexico); Hacyan, S., E-mail: hacyan@fisica.unam.mx [Instituto de Fsica, Universidad Nacional Autnoma de Mxico, A. P. 20-364, Mxico D. F., 01000 (Mexico)

2014-03-15T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

The two faces of sound in BECs  

SciTech Connect (OSTI)

Fluctuations around a Bose-Einstein condensate can be described by means of Bogolubov theory leading to the notion of quasiparticle and antiquasiparticle familiar to non-relativistic condensed matter practitioners. On the other hand, we already know that these perturbations evolve according to a relativistic Klein-Gordon equation in the long wavelength approximation. For shorter wavelengths, we show that this equation acquires nontrivial corrections which modify the Klein-Gordon product. In this approach, quasiparticles can also be defined (up to the standard ambiguities due to observer-dependence). We demonstrate that--in the low as well as in the high energy regimes--both concepts of quasiparticle are actually the same, regardless of the formalism (Bogolubov or Klein-Gordon) used to describe them. These results also apply to any barotropic, inviscid, irrotational fluid, with or without quantum potential.

Barcelo, C. [Instituto de Astrofisica de Andalucia (IAA-CSIC), Glorieta de la Astronomia, 18008 Granada (Spain); Garay, L. J. [Departamento de Fisica Teorica II, Universidad Complutense de Madrid, 28040 Madrid (Spain); Instituto de Estructura de la Materia (IEM-CSIC), Serrano 121, 28006 Madrid (Spain); Jannes, G. [Universite de Nice Sophia Antipolis, Laboratoire J.-A. Dieudonne, UMR CNRS-UNS 6621, Parc Valrose, 06108 Nice Cedex 02 (France)

2010-12-07T23:59:59.000Z

222

Establishing Analogies between the Physics of Extra Dimensions and Carbon Nanotubes  

E-Print Network [OSTI]

We point out a conceptual analogy between the physics of extra spatial dimensions and the physics of carbon nanotubes which arises for principle reasons, although the corresponding energy scales are at least ten orders of magnitude apart. For low energies, one can apply the Kaluza-Klein description to both types of systems, leading to two completely different but consistent interpretations of the underlying physics. In particular, we discuss in detail the Kaluza-Klein description of armchair and zig-zag carbon nanotubes. Furthermore, we describe how certain experimental results for carbon nanotubes could be re-interpreted in terms of the Kaluza-Klein description. Finally, we present ideas for new measurements that could allow to probe concepts of models with extra spatial dimensions in table-top experiments, providing further links between condensed matter and particle physics.

Jonas de Woul; Alexander Merle; Tommy Ohlsson

2012-07-05T23:59:59.000Z

223

Black holes in extra dimensions can decay on the bulk  

E-Print Network [OSTI]

In the extra dimensional theories, with TeV scale Plank constant, black holes may be produced in the Large Hadron Collider experiments. We have argued that in the d-dimensional black hole, the intrinsically 4-dimensional brane fields do not see the same geometry at the horizon, as in a 4-dimensional space-time. Kaluza-Klein modes invades the brane and surroundings and the brane fields can be considered as a thermal system at the temperature of the black hole. From energy and entropy consideration, we show that whether or not a six-dimensional black hole will decay by emitting Kaluza-Klein modes or the standard model particles, will depend on the length scale of the extra dimensions as well as on the mass of the black hole. For higher dimensional black holes, Kaluza-Klein modes will dominate the decay.

A. K. Chaudhuri

2003-01-08T23:59:59.000Z

224

Noncommutative space-time models  

E-Print Network [OSTI]

The FRT quantum Euclidean spaces $O_q^N$ are formulated in terms of Cartesian generators. The quantum analogs of N-dimensional Cayley-Klein spaces are obtained by contractions and analytical continuations. Noncommutative constant curvature spaces are introduced as a spheres in the quantum Cayley-Klein spaces. For N=5 part of them are interpreted as the noncommutative analogs of (1+3) space-time models. As a result the quantum (anti) de Sitter, Newton, Galilei kinematics with the fundamental length and the fundamental time are suggested.

N. A. Gromov; V. V. Kuratov

2005-07-01T23:59:59.000Z

225

Inert scalar dark matter in an extra dimension inspired model  

E-Print Network [OSTI]

In this paper we analyze a dark matter model inspired by theories with extra dimensions. The dark matter candidate corresponds to the first Kaluza-Klein mode of a real scalar added to the Standard Model. The tower of new particles enriches the calculation of the relic abundance. For large mass splitting, the model converges to the predictions of the inert singlet dark matter model. For nearly degenerate mass spectrum, coannihilations increase the cross-sections used for direct and indirect dark matter searches. Moreover, the Kaluza-Klein zero mode can mix with the SM higgs and further constraints can be applied.

R. A. Lineros; F. A. Pereira dos Santos

2014-11-12T23:59:59.000Z

226

Moving from Petroleum to Plants to Energize our World (A "Life at the Frontiers of Energy Research" contest entry from the 2011 Energy Frontier Research Centers (EFRCs) Summit and Forum)  

ScienceCinema (OSTI)

'Moving from Petroleum to Plants to Energize our World' was submitted by the Center for Direct Catalytic Conversion of Biomass to Biofuels (C3Bio) to the 'Life at the Frontiers of Energy Research' video contest at the 2011 Science for Our Nation's Energy Future: Energy Frontier Research Centers (EFRCs) Summit and Forum. Twenty-six EFRCs created short videos to highlight their mission and their work. C3Bio, an EFRC directed by Maureen McCann at Purdue University is a partnership between five institutions: Purdue (lead), Argonne National Laboratory, National Renewable Energy Laboratory, Northeastern University, and the University of Tennessee. The Office of Basic Energy Sciences in the U.S. Department of Energy's Office of Science established the 46 Energy Frontier Research Centers (EFRCs) in 2009. These collaboratively-organized centers conduct fundamental research focused on 'grand challenges' and use-inspired 'basic research needs' recently identified in major strategic planning efforts by the scientific community. The overall purpose is to accelerate scientific progress toward meeting the nation's critical energy challenges.

McCann, Maureen (Director, Center for Direct Catalytic Conversion of Biomass to Biofuels); C3Bio Staff

2011-11-03T23:59:59.000Z

227

Emission of scalar particles from cylindrical black holes  

E-Print Network [OSTI]

We study quantum tunneling of scalar particles from black strings. For this purpose we apply WKB approximation and Hamilton-Jacobi method to solve the Klein-Gordon equation for outgoing trajectories. We find the tunneling probability of outgoing charged and uncharged scalars from the event horizon of black strings, and hence the Hawking temperature for these black configurations.

H. Gohar; K. Saifullah

2011-09-27T23:59:59.000Z

228

Comparison Between Different Numerical Methods for Discretization of PDEs - A Short Review  

SciTech Connect (OSTI)

We compare three well known methods for solving the PDEs such as Finite Difference Method (FDM), Spectral Method, Wavelet Galerkin Method (WGM). We test all these methods on Advection Equation and Klein-Gordon Equation. We plot comparison and error graphs using MATLAB.

Mehra, Mani; Patel, Nutan; Kumar, Rahul [Indian Institute of Technology Delhi, Hauz Khas, New Delhi-110116 (India)

2010-09-30T23:59:59.000Z

229

Dk  

E-Print Network [OSTI]

Sep 7, 2014 ... a local conformal coordinate z the length element of the metric is given by .... is the geometric method of F. Klein [25] who classified spherical ... rithm falls short of a complete classification. ...... The range a 0. ...... Shapiro conjecture for rational functions, in the book: Notions of posi-.

2014-09-07T23:59:59.000Z

230

TUNGSTEN AND HAFNIUM DISTRIBUTION IN CALCIUM-ALUMINUM INCLUSIONS (CAIs) FROM ALLENDE AND EFREMOVKA. M. Humayun1  

E-Print Network [OSTI]

TUNGSTEN AND HAFNIUM DISTRIBUTION IN CALCIUM-ALUMINUM INCLUSIONS (CAIs) FROM ALLENDE AND EFREMOVKA with, or even earlier than, metal from CAIs and chondrules [3]. Tungsten isotope compositions represent veins [5]. Tungsten mobility is cause for concern, but is not sufficient evidence against the Kleine et

Grossman, Lawrence

231

Perturbative Approaching for Boson Fields' System in a Lewis-Papapetrou Space-Time  

SciTech Connect (OSTI)

In this paper the first order solutions of a Klein--Gordon--Maxwell--Einstein coupled system equations were derived for boson fields in a Lewis Papapetrou space time. The results expand the previous static solutions obtained in literature. A main goal is represented by the symbolic script built for such approach.

Murariu, G. [Physics Department, Faculty of Sciences, University 'Dunarea de Jos', Galati, Domneasca Street, No.111, Galati (Romania); Dariescu, M. A.; Dariescu, C. [Physics Faculty, 'Alexandru Ioan Cuza' University Iasi, Carol Bul., No.111, Iasi (Romania)

2010-08-04T23:59:59.000Z

232

The Theatre of Mario Vargas Llosa: A Bibliography and Production History, 1981-1994  

E-Print Network [OSTI]

" Hueso Hmero 9 (1981): 125-29. Klein, Alvin. "Speculation about a Woman's Life." New York Times 23 June 1991, sec. NJ: 11. Lacayo, Richard. "A Latin American Vision Comes to the New York Stage." New York Times 22 May 1983, sec. 2: 9+. Luchting...

McCoy, Ken

1995-04-01T23:59:59.000Z

233

994 VOLUME 46 | NUMBER 9 | SEPTEMBER 2014 Nature GeNetics Weperformedamultistagegenome-wideassociationstudy  

E-Print Network [OSTI]

Goodman6, Phyllis J Goodman21, Eric J Jacobs22, Aruna Kamineni23, Alison P Klein24,25, Laurence N Kolonel L Giovannucci4,54,55, Michael Goggins56­58, Megan J Gorman1, Myron Gross59, Christopher A Haiman60

Kaski, Samuel

234

EUROGRAPHICS 2004 / M.-P. Cani and M. Slater (Guest Editors)  

E-Print Network [OSTI]

Collision Detection Jan Klein1 and Gabriel Zachmann2 1 Heinz Nixdorf Institute and Institute of Computer Abstract In the past few years, many efficient rendering and surface reconstruction algorithms for point now, although this is a prerequisite to use them for interactive or animated 3D graphics. We present

Zachmann, Gabriel

235

EUROGRAPHICS 2004 / M.P. Cani and M. Slater (Guest Editors)  

E-Print Network [OSTI]

Collision Detection Jan Klein 1 and Gabriel Zachmann 2 1 Heinz Nixdorf Institute and Institute of Computer Abstract In the past few years, many efficient rendering and surface reconstruction algorithms for point now, although this is a prerequisite to use them for interactive or animated 3D graphics. We present

Zachmann, Gabriel

236

contact@x-bay.de www.x-bay.de  

E-Print Network [OSTI]

durch ein kleines Loch mit Wasserstoff gefüllt und anschlie?end an- gezündet wird, gibt einen lau- ten Knall von sich. Warum? ,,Sauerstoff und Wasserstoff vermischen sich in der Dose zu Knallgas", erklärte

Schmidt, Matthias

237

Radiation reaction and quantum damped harmonic oscillator  

E-Print Network [OSTI]

By taking a Klein-Gordon field as the environment of an harmonic oscillator and using a new method for dealing with quantum dissipative systems (minimal coupling method), the quantum dynamics and radiation reaction for a quantum damped harmonic oscillator investigated. Applying perturbation method, some transition probabilities indicating the way energy flows between oscillator, reservoir and quantum vacuum, obtained

F. Kheirandish; M. Amooshahi

2005-07-19T23:59:59.000Z

238

European Climate Assessment & Dataset Report 2008  

E-Print Network [OSTI]

European Climate Assessment & Dataset Report 2008 ECA&D · · · · European Climate Assessment & Dataset (ECA&D) Report 2008 "Towards an operational system for assessing observed changes in climate & Dataset Report 2008 ECA&D · · · · Aryan van Engelen, Albert Klein Tank, Gerard van de Schrier and Lisette

Stoffelen, Ad

239

A minimal coupling method for dissipative quantum systems  

E-Print Network [OSTI]

Quantum dynamics of a general dissipative system investigated by its coupling to a Klein-Gordon type field as the environment by introducing a minimal coupling method. As an example, the quantum dynamics of a damped three dimensional harmonic oscillator investigated and some transition probabilities indicating the way energy flows between the subsystems obtained. The quantum dynamics of a dissipative two level system considered.

F. Kheirandish; A. Amooshahi

2005-07-20T23:59:59.000Z

240

Sliding Friction with Polymer Brushes Rafael Tadmor,* Joanna Janik,  

E-Print Network [OSTI]

across the polymer layers decays logarithmically with time, consistent with the relaxation of a network on the sliding velocity, an effect attributed to a velocity-dependent interpenetration of the opposing polymerSliding Friction with Polymer Brushes Rafael Tadmor,* Joanna Janik, and Jacob Klein Department

Klein, Jacob

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241

Annual Report 2009-2010 Sustaining the Momentum: The Impact of Private Gifts and Grants at the UVa School of ArchitectureFiscal Year July 1, 2009 -June 30, 2010  

E-Print Network [OSTI]

-officio) David P. Howerton, 1974 BUEP Daniel P. Jordan, Jr., 1970 PhD, GSAS Frank D. Kittredge, Jr., 1978 BSArch, Past President Leslie S. Klein, 1982 BSArch Marie L. Knowles James B. Orthwein, Jr. Reuben M. Rainey, 1978 MLA Lisa A. Reilly (ex-officio) Matthew L. Richardson, 1981 BUEP, 1985 Darden, Treasurer Stuart N

Acton, Scott

242

Fred H. Rodriguez ('75) Kenneth N. Adatto ('68)  

E-Print Network [OSTI]

J. Danna ('71) George D. Davis, PhD* Bennett P. deBoisblanc ('81) William J. DeFee, III (`71. Hilton, MD ('98) Patrick A. Hymel, Jr. (98) Frank P. Incaprera ('50) Richard C. Jarrell ('80) Myron H Kearns ('79) William H. Kinnard ('79) Russell C. Klein (`59) David G. Kline, MD Alan D. Lacoste (`75

243

PD Dr. Martin Stetter, Siemens AG 1 Optimierungsverfahren  

E-Print Network [OSTI]

PD Dr. Martin Stetter, Siemens AG 1 Optimierungsverfahren Optimierung konvexer Funktionen: Optimierungsverfahren #12;PD Dr. Martin Stetter, Siemens AG 2 Optimierung konvexer Funktionen Hufiges Problem bei Stetter, Siemens AG 3 Funktionen einer Variable )(wF 1D-Gradientenabstieg: Gehe ein kleines Stck

Popeea, Corneliu - Chair for Foundations of Software Reliability and Theoretical Computer Science

244

Large-Eddy Simulations of a Drizzling, Stratocumulus-Topped Marine Boundary  

E-Print Network [OSTI]

and Technology Yokahama, Japan Markus D. Petters Department of Atmospheric Science Colorado State University, Colorado Kozo Nakamura Frontier Research Center for Global Change Japan Agency for Marine-Earth Science on the global heat budget (Klein and Hartmann 1993). Evidence suggests they constitute a leading

Stevens, Bjorn

245

5D gravity and the discrepant G measurements  

E-Print Network [OSTI]

It is shown that 5D Kaluza-Klein theory stabilized by an external bulk scalar field may solve the discrepant laboratory G measurements. This is achieved by an effective coupling between gravitation and the geomagnetic field. Experimental considerations are also addressed.

J. P. Mbelek

2003-11-26T23:59:59.000Z

246

Institut fur Mathematik SS 2008 Prof. Dr. Christian Kanzow  

E-Print Network [OSTI]

.00000000000000 -0.31687595261688 Nach drei Iterationen tritt Deflation auf. Bezeichnen wir den oberen 4?4­Block dieser Stelle tritt erneut Deflation auf, da das letzte untere Neben- diagonalelement sehr klein ist. Der tritt erneut Deflation auf. Die Eigenwer- te der verbleibenden 2 ? 2­Matrix k¨onnen explizit berechnet

Kanzow, Christian

247

Oecologia (2006) 149:493504 DOI 10.1007/s00442-006-0467-3  

E-Print Network [OSTI]

and nutrient Xux, are known to be aVected by both habitat structure (Klein 1989; Didham et al. 1996; War- dle al. 1989; Schindler et al. 1997; Carpenter et al. 2001; War- dle et al. 2001), there has been little

Srivastava, Diane

248

HANWEI ZHANG 19 Riley Ct. Skillman, NJ 08558  

E-Print Network [OSTI]

3, Pages 277-298 [6]. Klein, A., Zhang, H. & Themelis, N. J. (2003). A Waste-To-Energy Power Plant.zhang@gmail.com Research Interests Thermal conversion of municipal solid waste to energy; Numerical Analysis of High (2007). Process Simulation of a large Mass Burn Waste-To-Energy boiler by the combination of CFD

249

11111111111111111111111111111111111111111111111111111111111111111 'X1998-01274'  

E-Print Network [OSTI]

-Carlo Integrationsmethode flir quantenmechanische Proble- me auf einem 'Zeitgitter' werden die Massen del' niedrig liegenden Glueball-ZusUinde des von Llischer eingeflihrten effektiven Hamilton-Operators flir kleine und mittlere splirbare Abweichungen flir die meisten Zustande im SU(3)-Fall ergeben. Die statistischen und systematischen

250

TOWARDS SUSTAINABLE LAND MANAGEMENT IN THE DRYLANDS: SCIENTIFIC CONNECTIONS IN MONITORING AND ASSESSING DRYLAND  

E-Print Network [OSTI]

), Potchefstroom, South Africa 13 Secretariat DesertNet International (DNI), c/o Biocentre Klein Flottbek and Innovation, Industry and Investment NSW, PO Box 100, Beecroft, NSW, Australia 3 Unit Transition Energy of synergies, conflicts, trade-offs, interconnections, feedbacks and spillover effects among multiple

Lehmann, Johannes

251

Mining Induced Seismicity -Monitoring of a Large Scale Salt Cavern Collapse  

E-Print Network [OSTI]

Mining Induced Seismicity - Monitoring of a Large Scale Salt Cavern Collapse E. Klein* (Ineris), I in the Lorraine salt basin (France). To monitor the cavern collapse, a multi-parameter system featuring high of the roof cavern, with no ground surface movement detected. The high microseismic regime of the cavern has

Paris-Sud XI, Université de

252

To be published in Computers & Graphics, vol. 28, no. 6, 2004. Point Cloud Surfaces using Geometric Proximity Graphs  

E-Print Network [OSTI]

Proximity Graphs Jan Klein a and Gabriel Zachmann b aHeinz Nixdorf Institute and Institute of Computer@cs.uni-bonn.de (Gabriel Zachmann). In this paper, we present a new definition of a surface over a given point cloud

Behnke, Sven

253

To be published in Computers & Graphics, vol. 28, no. 6, 2004. Point Cloud Surfaces using Geometric Proximity Graphs  

E-Print Network [OSTI]

Proximity Graphs Jan Klein a and Gabriel Zachmann b a Heinz Nixdorf Institute and Institute of Computer@cs.uni­bonn.de (Gabriel Zachmann). In this paper, we present a new definition of a surface over a given point cloud

Zachmann, Gabriel

254

ADVANCED OPTICS II, PHYC/ECE 554, UNM Spring 2009 Instructor: Mani Hossein-Zadeh  

E-Print Network [OSTI]

ADVANCED OPTICS II, PHYC/ECE ­ 554, UNM Spring 2009 Instructor: Mani Hossein-Zadeh Office hour book: "Introduction to Optics", 3rd edition. F.L. Pedrotti, L.S. Pedrotti, L.M. Pedrotti Other references: 1-"Introdution to Fourier Optics", Joseph W. Goodman, 3rd edition. 2-"Optics", Miles V. Klein

New Mexico, University of

255

A Mixture of Experts Model Exhibiting Prosopagnosia Matthew N. Dailey, Garrison W. Cottrell, and Curtis Padgett  

E-Print Network [OSTI]

eyeglasses (Farah, Levinson, & Klein, 1995a). Nor- mal subjects were significantly better at discriminating the faces than the eyeglasses, but the prosopagnosic patient L.H. did not show this effect. His face discrimination performance was significantly lower than that of the control group, but his eyeglass

Cottrell, Garrison W.

256

Aufgabe 11a Themenschwerpunkte  

E-Print Network [OSTI]

soll klein sein. Geg.: m2 = 4 m1 , r , l mit l = 4 r , a = r , g Richtung und Richtungssinn der Erdbeschleuni- gung nach Skizze. Zahlenwerte: r = 15 cm , g = 10 Ges.: a) die Differentialgleichung der Bewegung Schwingungsdauer T der Schwingung und eine obere Schranke amax f¨ur a , c) die L¨osung der Differentialgleichung f

Peters, Norbert

257

Searching with an Autonomous Robot Sandor P. Fekete  

E-Print Network [OSTI]

Searching with an Autonomous Robot S´andor P. Fekete Department of Mathematical Optimization TU of Bonn D­53117 Bonn Germany rolf.klein@uni-bonn.de Andreas N¨uchter Fraunhofer Institute for Autonomous.9 [ Computing Methodologies ]: Artificial Intelli- gence Robotics [Autonomous Vehicles] General Terms Algorithms

Fekete, Sándor P.

258

Maria Fernandez-Gimenez, Associate Professor, specializes in rangeland  

E-Print Network [OSTI]

of sustainability, and poisonous plants. Julia Klein, Assistant Professor, specializes in ecosystem ecology, global change, biodiversity and sustainability science. Mark Paschke, Associate Professor, specializes of Natural Resources Colorado State University 230 Forestry Building Fort Collins, CO 80523-1472 Phone: (970

259

Editor's Note: Toolboxes are a new, occasional feature in the Journal designed to briefly highlight a new method or a resource of general use in neuroscience or to critically analyze existing approaches or methods. For more information, see http://www.  

E-Print Network [OSTI]

-mediated delivery is not sensitive to permeability of the cell mem- brane by specific reagents and lacks of the corresponding nucleic acids into the targeted cells. Cur- rent methods for introducing DNA and RNA into cells tissue (Klein et al., 1987). The substances in- jected into cells using the biolistics tech- nique have

Shefi, Orit

260

MIT Hillel Update 24 Nissan 5771  

E-Print Network [OSTI]

Heywood '12 3. Jews on Ice "flashback" from February: Abby Klein '14, Eliana Schleifer '12, Jason Strauss '12 take a break from the skating rink. Executive Director's Update I hope everyone had a meaningful relativistic gravitational waves produced from deep space by massive objects such as black holes, neutron stars

Jackson, Daniel

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261

Integrable cases of gravitating static isothermal fluid spheres  

E-Print Network [OSTI]

It is shown that different approaches towards the solution of the Einstein equations for a static spherically symmetric perfect fluid with a gamma-law equation of state lead to an Abel differential equation of the second kind. Its only integrable cases at present are flat spacetime, de Sitter solution and its Buchdahl transform, Einstein static universe and the Klein-Tolman solution.

B. V. Ivanov

2001-07-17T23:59:59.000Z

262

3 September 2014 Are our brains wired to ignore climate change?  

E-Print Network [OSTI]

Klein. The book examines the psychology of climate change denial, following discussions with Nobel Prize eyes? "Environmentalists and scientists alike continue to assume that climate change denial canMEDIA TIP 3 September 2014 Are our brains wired to ignore climate change? "Why, when the evidence

Pedersen, Tom

263

J. Mol. Biol. (1996) 259, 970987 Solution Structure of the Granular Starch Binding  

E-Print Network [OSTI]

, 1991; PDB, accession code, 1cgt); 1D, one-dimensional; 2D, two-dimensional; 3D, three-dimensional; bCD (Lawson et al. 1994; PDB accession code, 1cdg); 1CGT, crystal structure of free CGTase (Klein & Schulz

Williamson, Mike P.

264

INFLUENCE OF ANISOTROPIC THERMAL CONDUCTIVITY IN THE APPARATUS INSULATION FOR SUBLIMATION GROWTH OF SIC  

E-Print Network [OSTI]

INFLUENCE OF ANISOTROPIC THERMAL CONDUCTIVITY IN THE APPARATUS INSULATION FOR SUBLIMATION GROWTH insulation for sublimation growth of SiC: Numerical investigation of heat transfer J¨urgen Geiser, Olaf Klein). As it is not unusual for the thermal insulation of PVT growth apparatus to possess an anisotropic thermal conductivity

265

Fact Finding Kernenergie t.b.v. de SER-Commissie Toekomstige  

E-Print Network [OSTI]

, onttrekken van uranium aan het erts, omzetting in gasvormig uranium hexafluoride, verrijking (waarbij het- tuurlijke grondstoffen. De meeste kerncentrales gebruiken verrijkt uranium als splijtstof. Het uraniumerts bestaat vrijwel geheel uit het isotoop uranium-238 (99,3%) en een kleine fractie uranium-235 (0,7%). Het

266

BLIND CHANNEL SHORTENERS C. R. Johnson, Jr., R. K. Martin, J. M. Walsh,  

E-Print Network [OSTI]

BLIND CHANNEL SHORTENERS C. R. Johnson, Jr., R. K. Martin, J. M. Walsh, A. G. Klein, C. E. Orlicki: Although blind, adaptive algorithms for equalization are widely studied, hitherto there has been little academic attention given to blind, adaptive algo- rithms for channel shortening. Channel shortening

Klein, Andrew G.

267

Surface Light Field Rendering for Virtual Product Design  

E-Print Network [OSTI]

Surface Light Field Rendering for Virtual Product Design Jan MESETH, Gero M?LLER, Reinhard KLEIN illumination solution including accurate materials, which is stored as an outgoing Surface Light Field (SLF-facto standard in manufacturing industries like the automotive industry. They are used, e.g., for performing

Behnke, Sven

268

Een robotvogel die zo natuurge-trouw vliegt dat andere vogels er  

E-Print Network [OSTI]

bewegen. Die spieren kun je niet allemaal nabootsen in een kleine robot. Dus komt er flink wat analyse aan te pas om toch een robot te ontwerpen die levensecht vliegt. Die van Nijenhuis vliegt op een accu en.clearflightsolutions.com DOOR Christian Jongeneel fOtOgRafie Gijs van Ouwerkerk spin-Off RObOtvOGel "In de varianten valk en

Twente, Universiteit

269

Ideal gas matching for thermal Galilean holography  

E-Print Network [OSTI]

We exhibit a nonrelativistic ideal gas with a Kaluza-Klein tower of species, featuring a singular behavior of thermodynamic functions at zero chemical potential. In this way, we provide a qualitative match to the thermodynamics of recently found black holes in backgrounds with asymptotic nonrelativistic conformal symmetry.

Jose L. F. Barbon; Carlos A. Fuertes

2009-03-26T23:59:59.000Z

270

Linear harmonic oscillator in spaces with degenerate metrics  

E-Print Network [OSTI]

With the help of contraction method we study the harmonic oscillator in spaces with degenerate metrics, namely, on Galilei plane and in the flat 3D Cayley-Klein spaces $R_3(j_2,j_3).$ It is shown that the inner degrees of freedom are appeared which physical dimensions are different from the dimension of the space.

N. A. Gromov

2006-03-02T23:59:59.000Z

271

Gibraltar data are too sparse to inform on Neanderthal exploitation of  

E-Print Network [OSTI]

size as proxies for stone age population density in South Africa: Implications for the evolution because their populations were less dense), and that they visited the coast throughout the year instead of the Western Cape, South Africa. S Afr J Sci 99:243­247. 5. Steele TE, Klein RG (2006) Mollusk and tortoise

272

JOURNAL DE PHYSIQUE CoZZoque C6, supplgment au no 12, Tome 42, de'aembre 1981 page C6-368  

E-Print Network [OSTI]

.1051/jphyscol:19816106 #12;Another example is found in the group Vb transition metal carbides, which have SCATTERING FROM ANOMALOUS PHONONS I N TRANSITION METALS AND COMPOUNDS M. V. Klein Department of Physics. Abstract.-Phonon anomalies in transition-metal compounds often produce enhanced two-phonon Raman spectra

Paris-Sud XI, Université de

273

Dezernat fr Internationale Angelegenheiten / Akademisches Auslandsamt  

E-Print Network [OSTI]

) Adagio sostenuto e espressivo Allegro molto piu tosto presto Rondo Allegro Anton WEBERN Drei kleine Robert SCHUMANN Adagio und Allegro fr Cello und Klavier As-dur op. 70 (1849) (1810 1856) Dmitri SCHOSTAKOWITSCH Sonate fr Violoncello und Klavier op. 40 (1934) (1906 1975) Allegro non troppo Allegro Largo

Heermann, Dieter W.

274

A Guided Internship For High School Students Using iRobot Create  

E-Print Network [OSTI]

A Guided Internship For High School Students Using iRobot Create Jason T. Isaacs Daniel J. Klein an internship program focused on project-based learning designed to introduce students to robotics engineering projects. A key to a successful internship experience for the mentor, as well as the intern, is to properly

Hespanha, João Pedro

275

letters to nature NATURE |VOL 415 |28 FEBRUARY 2002 |www.nature.com 991  

E-Print Network [OSTI]

magnetospheres in the Solar System and in many ways represent the archetype for magnetospheric physics. The fact. Bird, M. K., Funke, O., Neidhofer, J. & De Pater, I. Multi-frequency radio observations of Jupiter., Gulkis, S., Klein, M. J., de Pater, I. & Thompson, T. J. Correlation studies between solar wind

Gurnett, Donald A.

276

Unsupervised syntactic chunking with acoustic cues: computational models for prosodic bootstrapping  

E-Print Network [OSTI]

on unsupervised parsing and chunking, we use neither gold standard part-of-speech tags nor punctuation. Previous work on unsupervised grammar in- duction has made progress by exploiting information such as gold-standard part of speech tags (e.g. Klein and Manning (2004)) or punctuation (e.g. Seginer (2007)). While

Edinburgh, University of

277

ANALYSIS OF SHORT-TERM SOLAR RADIATION DATA Gayathri Vijayakumar  

E-Print Network [OSTI]

ANALYSIS OF SHORT-TERM SOLAR RADIATION DATA Gayathri Vijayakumar Sanford A. Klein William A beckman@engr.wisc.edu ABSTRACT Solar radiation data are available for many locations on an hourly basis annual performance, although solar radiation can exhibit wide variations during an hour. Variations

Wisconsin at Madison, University of

278

Organically modified silicate coatings for optical fibers A. B. Wojcik  

E-Print Network [OSTI]

Organically modified silicate coatings for optical fibers A. B. Wojcik L. C. Klein V. V. Rondinella 909 Piscataway, NJ 08855-0909 ABSTRACT Three kinds of UV-curable organically modified silicates have linked to inorganics. In particular, organically modified silicates were investigated. In the search

Matthewson, M. John

279

CoNNECTIoNS FoR THE CommoN good  

E-Print Network [OSTI]

House. GPRI grant recipient Klein Ileleji is striving to help protect crops in sub-Saharan Africa challenge issues such as the impact of drought in Africa, global food price volatility and biofuels production. GPRI also forged new ground this year. As part of our research initiatives, we hosted Fulbright

Ginzel, Matthew

280

Vice Chancellor for IT (Mardecia Bell)  

E-Print Network [OSTI]

Authentication Help Desk Email/calendaring support Desktop & PDA Support Remedy Operations/Support Thin Client Klein Director Chris King Help Desk & Remedy Services Technology Support Services Office of Information Communications-Internal / External Web Site Design/Development (Tools/Scripting/Applications) IT Events

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281

Columbia University The Italian Academy for Advanced Studies  

E-Print Network [OSTI]

Columbia University The Italian Academy for Advanced Studies ITALY AT COLUMBIA A SERIES OF FREE PUBLIC LECTURES BY COLUMBIA UNIVERSITY PROFESSORS MONDAY, October 1 at 1:10 PM HOLGER A. KLEIN The Art in the Western Middle Ages (Columbia University Press, 2011). Neslihan enocak received her PhD at Bilkent

Lazar, Aurel A.

282

Gunsch Jesse Andrew SR COE Spring 2009 Dean's List With Distinction  

E-Print Network [OSTI]

, Chandra M SR CHE Klein, Joshua SR EMG Klug, Brian Robert SR OSE Krause, Jacob Andrew JR OSE Lacy, Tyler Stephen JR ELE Laughlin, Amanda Diane JR CHE Leavy, Matthew James SR MEE Leick, Mark B SR BE #12;g Lu MEE Milakovich, Andrew J SR ELE Miller, Marcus Florian JR NMS Mohan, Ritika SR CHE Morey, Erica

Wong, Pak Kin

283

On the hydrino state of the relativistic hydrogen atom  

E-Print Network [OSTI]

The Klein-Gordon equation of the hydrogen atom has a low-lying eigenstate, called hydrino state, with square integrable wavefunction. The corresponding spinor solution of Dirac's equation is not square integrable. For this reason the hydrino state has been rejected in the early days of quantum mechanics as being unphysical. Maybe it is time to change opinion.

Jan Naudts

2005-08-05T23:59:59.000Z

284

Geology 460:301 Fall 2007 Mineralogy Lab  

E-Print Network [OSTI]

Geology 460:301 Fall 2007 Mineralogy Lab Professor Jeremy Delaney Teaching Assistant: Alissa Henza Science by Cornelius Klein (22nd edition) Introduction to Optical Mineralogy by William Nesse Grading Policy: Lab is 33% of your Mineralogy grade. This 33% is made up of: Labs: 70% Quizzes: 5% Final Exam: 25

285

Line geometry and electromagnetism III: groups of transformations  

E-Print Network [OSTI]

The role of linear and projective groups of transformations in line geometry and electromagnetism is examined in accordance with Klein's Erlanger Programm for geometries. The group of collineations of real projective space is chosen as the most general group, and reductions to some of its various subgroups are then detailed according to their relevance to electromagnetic fields, and especially wave-like ones.

D. H. Delphenich

2014-04-16T23:59:59.000Z

286

The Tunneling Transform  

E-Print Network [OSTI]

We supplement the Lorentz transform $L(v)$ with a new "Tunneling" transform $T(v)$. Application of this new transform to elementary quantum mechanics offers a novel, intuitive insight into the nature of quantum tunneling; in particular, the so called "Klein Paradox" is discussed.

Robert Hipple

2014-11-10T23:59:59.000Z

287

Interactions between Mica Surfaces in a Polystyrene-Cyclopentane Solution Near the O-Temperature  

E-Print Network [OSTI]

'ACOV ALMOG* AND JACOB KLEIN*'t 'l *Polymer Department, Weizmann Institute, Rehovot, lsrael, and t of distance D between the surfaces (4-7). Thus two mica surfaces bearing ad- sorbed polystyrene in cyclohexane approach (6). On the other hand, when the surfaces bear ad- sorbed polyethylene oxide in an aqueous

Klein, Jacob

288

VOLUME 82, NUMBER 25 P H Y S I C A L R E V I E W L E T T E R S 21 JUNE 1999 Shear of Telechelic Brushes  

E-Print Network [OSTI]

Brushes Erika Eiser* and Jacob Klein Department of Materials and Interfaces, Weizmann Institute of Science 08801 (Received 16 February 1999) The forces between two surfaces bearing solvated, telechelic polymer]. Here we report the measure- ments of normal and shear forces between surfaces bear- ing telechelic

Klein, Jacob

289

Changes in daily temperature and precipitation extremes in central and south Asia  

E-Print Network [OSTI]

Changes in daily temperature and precipitation extremes in central and south Asia A. M. G. Klein in indices of climate extremes are studied on the basis of daily series of temperature and precipitation, the indices of temperature extremes indicate warming of both the cold tail and the warm tail

Klein Tank, Albert

290

Landau levels of scalar QED in time-dependent magnetic fields  

SciTech Connect (OSTI)

The Landau levels of scalar QED undergo continuous transitions under a homogeneous, time-dependent magnetic field. We analytically formulate the KleinGordon equation for a charged spinless scalar as a Cauchy initial value problem in the two-component first order formalism and then put forth a measure that classifies the quantum motions into the adiabatic change, the nonadiabatic change, and the sudden change. We find the exact quantum motion and calculate the pair-production rate when the magnetic field suddenly changes as a step function. -- Highlights: We study the Landau levels of scalar QED in time-dependent magnetic fields. Instantaneous Landau levels make continuous transitions but keep parity. The KleinGordon equation is expressed in the two-component first order formalism. A measure is advanced that characterizes the quantum motions into three categories. A suddenly changing magnetic field produces pairs of charged scalars from vacuum.

Kim, Sang Pyo, E-mail: sangkim@kunsan.ac.kr

2014-05-15T23:59:59.000Z

291

Stationary states of fermions in a sign potential with a mixed vectorscalar coupling  

SciTech Connect (OSTI)

The scattering of a fermion in the background of a sign potential is considered with a general mixing of vector and scalar Lorentz structures with the scalar coupling stronger than or equal to the vector coupling under the SturmLiouville perspective. When the vector coupling and the scalar coupling have different magnitudes, an isolated solution shows that the fermion under a strong potential can be trapped in a highly localized region without manifestation of Kleins paradox. It is also shown that the lonely bound-state solution disappears asymptotically as one approaches the conditions for the realization of spin and pseudospin symmetries. -- Highlights: Scattering of fermions in a sign potential assessed under a SturmLiouville perspective. An isolated bounded solution. No pair production despite the high localization. No bounded solution under exact spin and pseudospin symmetries.

Castilho, W.M., E-mail: castilho.w@gmail.com; Castro, A.S. de, E-mail: castro@pq.cnpq.br

2014-01-15T23:59:59.000Z

292

Dirac equation in low dimensions: The factorization method  

E-Print Network [OSTI]

We present a general approach to solve the (1+1) and (2+1)-dimensional Dirac equation in the presence of static scalar, pseudoscalar and gauge potentials, for the case in which the potentials have the same functional form and thus the factorization method can be applied. We show that the presence of electric potentials in the Dirac equation leads to a two Klein-Gordon equations including an energy-dependent potential. We then generalize the factorization method for the case of energy-dependent Hamiltonians. Additionally, the shape invariance is generalized for a specific class of energy-dependent Hamiltonians. We also present a condition for the absence of the Klein's paradox (stability of the Dirac sea), showing how Dirac particles in low dimensions can be confined for a wide family of potentials.

J. A. Sanchez-Monroy; C. J. Quimbay

2014-09-30T23:59:59.000Z

293

Cosmic-ray electron signatures of dark matter  

SciTech Connect (OSTI)

There is evidence for an excess in cosmic-ray electrons at about 500 GeV energy, that may be related to dark-matter annihilation. I have calculated the expected electron contributions from a pulsar and from Kaluza-Klein dark matter, based on a realistic treatment of the electron propagation in the Galaxy. Pulsars younger than about 10{sup 5} years naturally cause a narrow peak at a few hundred GeV in the locally observed electron spectrum, similar to that observed. On the other hand, if electron production by dark matter is predominantly occurring in high-mass clumps (> or approx. 10{sup 3}M{sub {center_dot}}), the sharp cutoff in the contribution from Kaluza-Klein particles is sometimes more pronounced, but often smoothed out and indistinguishable from a pulsar source, and therefore the spectral shape of the electron excess is insufficient to discriminate a dark-matter origin from more conventional astrophysical explanations.

Pohl, Martin [Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011 (United States)

2009-02-15T23:59:59.000Z

294

The Development of Career Maturity and Career Decision Self-Efficacy Among High-School Aged Youth Enrolled in the Texas 4-H Healthy Lifestyles Program  

E-Print Network [OSTI]

predictor of career immaturity. Similarly, numerous research studies have discovered a relationship between career decision-making self-efficacy and career indecision (Betz, Klein & Taylor, 1996; Choi et al., 2011; Taylor & Popma, 1990). Career maturity... suggest a career choice should be made by the end of the eighth grade (Hirschi, 2011), the expectation is typically that a career decision is made by the end of high school (Super, Savickas, & Super, 1996). This career decision making is often viewed...

Dodd, Courtney Felder

2013-08-01T23:59:59.000Z

295

On the relationship of gravitational constants in KK reduction  

E-Print Network [OSTI]

In this short note, we try to clarify a seemly trivial but often confusing question in relating a higher-dimensional physical gravitational constant to its lower-dimensional correspondence in Kaluza-Klein reduction. In particular, we re-derive the low-energy M-theory gravitational constant in terms of type IIA string coupling $g_s$ and constant $\\alpha'$ through the metric relation between the two theories.

Lu, J X

2000-01-01T23:59:59.000Z

296

Establishing Chlamydomonas reinhardtii as an industrial biotechnology host  

E-Print Network [OSTI]

products such as biofuels, provides the opportunity to avoid a number of environmental factors that currently affect biofuel produc- tion from crop plants (Chisti, 2007). These include issues surrounding land and (fresh)water usage, mono-culture, crop... to cultivate algae on the very large scales needed for biofuel production (Scott et al., 2010; Klein-Marcuschamer et al., 2013). Instead, microalgae offer considerable potential for the production of low volume, high(er) value compounds, which...

Scaife, Mark A.; Nguyen, Ginnie T.D.T.; Rico, Juan; Lambert, Devinn; Helliwell, Katherine E.; Smith, Alison G.

2015-03-08T23:59:59.000Z

297

Successes in School Energy Management - Energy Monitoring  

E-Print Network [OSTI]

Successes in School Energy Management ? Energy Monitoring Chad Corbitt, CEM, ATEM Energy Manager, Klein ISD jcorbitt1@kleinisd.net Wednesday, October 10, 2012 Keys to Energy Monitoring ? Develop an Energy Monitoring plan ? Define... the why, what, how and who of the plan ? Implement the Energy Monitoring plan ? Personnel, data system, reporting ? One Experience in Energy Monitoring Developing an Energy Monitoring Plan ? Why do we need to monitor energy? ? What information...

Corbitt, C.

2012-01-01T23:59:59.000Z

298

Angel Sanchez Sanchez Curriculum modelo U. Carlos III, pagina 1 1. DATOS PERSONALES  

E-Print Network [OSTI]

grupos [3]). Algebra Lineal II. Primer curso, Ingenieria Industrial. Periodos: 1993/94 (dos gruposisicas) 20/06/91 (Fisica Teorica y Matematica) Tesis: Dinamica de Modelos Klein-Gordon No Linealesatico. Primer curso, Ingenieria Tecnica de Informatica de Gestion. Periodos: 1992/93 (un grupo). Algebra

Snchez, Angel "Anxo"

299

A Noncommutative Extension of Gravity  

E-Print Network [OSTI]

The commutative algebra of functions on a manifold is extended to a noncommutative algebra by considering its tensor product with the algebra of nxn complex matrices. Noncommutative geometry is used to formulate an extension of the Einstein-Hilbert action. The result is shown to be equivalent to the usual Kaluza-Klein theory with the manifold SUn as an internal space, in a truncated approximation.

J. Madore; J. Mourad

1993-07-22T23:59:59.000Z

300

Improved formulations, heuristics and metaheuristics for the dynamic demand coordinated lot-sizing problem  

E-Print Network [OSTI]

) Appending capacity constraints for labor, equipment, storage space, or other factors generalizes the formulation to the CLSP, but results in NP-hard or NP-complete problems depending upon specific objective function and capacity assumptions (Florian..., Lenstra, and Rinnooy Kan, 1980 and Bitran and Yanasse, 1982). Consequently, optimization-based research focuses on special cases of the CLSP for which specialized solution approaches can be developed. Florian and Klein (1971) describe the structure...

Narayanan, Arunachalam

2009-06-02T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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301

Foundation of Hydrodynamics of Strongly Interacting Systems  

E-Print Network [OSTI]

Hydrodynamics and quantum mechanics have many elements in common, as the density field and velocity fields are common variables that can be constructed in both descriptions. Starting with the Schroedinger equation and the Klein-Gordon for a single particle in hydrodynamical form, we examine the basic assumptions under which a quantum system of particles interacting through their mean fields can be described by hydrodynamics.

Cheuk-Yin Wong

2014-04-03T23:59:59.000Z

302

Quasinormal modes and stability of a five-dimensional dilatonic black hole  

E-Print Network [OSTI]

We exactly calculate the quasinormal frequencies of the electromagnetic and Klein-Gordon perturbations propagating in a five-dimensional dilatonic black hole. Furthermore we exactly find the quasinormal frequencies of the massive Dirac field. Using these results we study the linear stability of this black hole. We compare our results for the quasinormal frequencies and for the linear stability of the five-dimensional black hole with those already published.

A. Lpez-Ortega

2009-05-01T23:59:59.000Z

303

Noncommutative of space-time and the relativistic Hydrogen atom  

E-Print Network [OSTI]

We study the Klein-Gordon equation in a non-commutative space-time as applied to the Hydrogen atom to extract the energy levels, by considering the second-order corrections in the non-commutativity paramete and by comparing to the 2S - 1S transition accuracy we get a bound on the parameter of noncommutativity. Phenomenologically we show that non-commutativity is the source of lamb shift corrections and spin electron.

Slimane Zaim; Yazid Delenda

2012-12-02T23:59:59.000Z

304

Mass Spectrum, Actons and Cosmological Landscape  

E-Print Network [OSTI]

It is suggested that the properties of the mass spectrum of elementary particles could be related with cosmology. Solutions of the Klein-Gordon equation on the Friedmann type manifold with the finite action are constructed. These solutions (actons) have a discrete mass spectrum. We suggest that such solutions could select a universe from cosmological landscape. In particular the solutions with the finite action on de Sitter space are investigated.

V. V. Kozlov; I. V. Volovich

2006-12-13T23:59:59.000Z

305

PowerPoint Presentation  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKlein

306

Hydrogen atom in phase space: The Wigner representation  

E-Print Network [OSTI]

We have found an effective method of calculating the Wigner function, being a quantum analogue of joint probability distribution of position and momentum, for bound states of nonrelativistic hydrogen atom. The formal similarity between the eigenfunctions of nonrelativistic hydrogen atom in the momentum representation and Klein-Gordon propagators has allowed the calculation of the Wigner function for an arbitrary bound state of the hydrogen atom. These Wigner functions for some low lying states are depicted and discussed.

L. Praxmeyer; J. Mostowski; K. Wodkiewicz

2005-04-06T23:59:59.000Z

307

Absorption cross section of RN and SdS extremal black hole  

E-Print Network [OSTI]

The nature of scalar wave functions near the horizon of Reissner Nordstrom (RN) extremal and Schwarzschild-de Sitter (SdS) extremal black holes are found using WKB approximation and the effect of reflection of waves from the horizon. The absorption cross section $\\sigma_{abs}$ when RN extremal and SdS extremal black holes placed in a Klein-Gordon field is calculated.

Sini R; Nijo Varghese; V C Kuriakose

2008-02-29T23:59:59.000Z

308

Decoherent histories analysis of the relativistic particle  

E-Print Network [OSTI]

The Klein-Gordon equation is a useful test arena for quantum cosmological models described by the Wheeler-DeWitt equation. We use the decoherent histories approach to quantum theory to obtain the probability that a free relativistic particle crosses a section of spacelike surface. The decoherence functional is constructed using path integral methods with initial states attached using the (positive definite) ``induced'' inner product between solutions to the constraint equation. The notion of crossing a spacelike surface requires some attention, given that the paths in the path integral may cross such a surface many times, but we show that first and last crossings are in essence the only useful possibilities. Different possible results for the probabilities are obtained, depending on how the relativistic particle is quantized (using the Klein-Gordon equation, or its square root, with the associated Newton-Wigner states). In the Klein-Gordon quantization, the decoherence is only approximate, due to the fact that the paths in the path integral may go backwards and forwards in time. We compare with the results obtained using operators which commute with the constraint (the ``evolving constants'' method).

J. J. Halliwell; J. Thorwart

2001-07-02T23:59:59.000Z

309

Covariant Differential Identities and Conservation Laws in Metric-Torsion Theories of Gravitation. I. General Consideration  

E-Print Network [OSTI]

Arbitrary diffeomorphically invariant metric-torsion theories of gravity are considered. It is assumed that Lagrangians of such theories contain derivatives of field variables (tensor densities of arbitrary ranks and weights) up to a second order only. The generalized Klein-Noether methods for constructing manifestly covariant identities and conserved quantities are developed. Manifestly covariant expressions are constructed without including auxiliary structures like a background metric. In the Riemann-Cartan space, the following \\emph{manifestly generally covariant results} are presented: (a) The complete generalized system of differential identities (the Klein-Noether identities) is obtained. (b) The generalized currents of three types depending on an arbitrary vector field displacements are constructed: they are the canonical Noether current, symmetrized Belinfante current and identically conserved Hilbert-Bergmann current. In particular, it is stated that the symmetrized Belinfante current does not depend on divergences in the Lagrangian. (c) The generalized boundary Klein theorem (third Noether theorem) is proved. (d) The construction of the generalized superpotential is presented in details, and questions related to its ambiguities are analyzed.

Robert R. Lompay; Alexander N. Petrov

2013-07-01T23:59:59.000Z

310

Wave Packets Propagation in Quantum Gravity  

E-Print Network [OSTI]

Wave packet broadening in usual quantum mechanics is a consequence of dispersion behavior of the medium which the wave propagates in it. In this paper, we consider the problem of wave packet broadening in the framework of Generalized Uncertainty Principle(GUP) of quantum gravity. New dispersion relations are derived in the context of GUP and it has been shown that there exists a gravitational induced dispersion which leads to more broadening of the wave packets. As a result of these dispersion relations, a generalized Klein-Gordon equation is obtained and its interpretation is given.

Kourosh Nozari; S. H. Mehdipour

2005-07-03T23:59:59.000Z

311

An investigation of rainfall characteristics and patterns in the Mekong Delta of Southeast Asia  

E-Print Network [OSTI]

'k%***'Aeee**ee***IHt*ee* * * * 37 98 15 * 150 PERCENT TIME BOTH HAD SAME AMTS 0. 69 Bl 14. 553 B5 ~ 53. 573 B9 = 0. 900 CI = 0. 432 40 1. 0 C 0 . 8 T . 7 I N G N C Y Month: JULY I N D E 2 X . 1 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 Distance... of Commit e) (Head of D p tment) (Member) (Member) ABSTRACT An Investigation of Rainfall Characteristics and Patterns in the Mekong Delta of Southeast Asia (August 1972) Frank J. Klein, Jr. , B. B. A. , St. Mary's University Directed by: Professor...

Klein, Frank J

2012-06-07T23:59:59.000Z

312

Green Functions of Relativistic Field Equations  

E-Print Network [OSTI]

In this paper, we restudy the Green function expressions of field equations. We derive the explicit form of the Green functions for the Klein-Gordon equation and Dirac equation, and then estimate the decay rate of the solution to the linear equations. The main motivation of this paper is to show that: (1). The formal solutions of field equations expressed by Green function can be elevated as a postulate for unified field theory. (2). The inescapable decay of the solution of linear equations implies that the whole theory of the matter world should include nonlinear interaction.

Ying-Qiu Gu

2006-12-20T23:59:59.000Z

313

Persistent energy flow for a stochastic wave equation model in nonequilibrium statistical mechanics  

E-Print Network [OSTI]

We consider a one-dimensional partial differential equation system modeling heat flow around a ring. The system includes a Klein-Gordon wave equation for a field satisfying spatial periodic boundary conditions, as well as Ornstein-Uhlenbeck stochastic differential equations with finite rank dissipation and stochastic driving terms modeling heat baths. There is an energy flow around the ring. In the case of a linear field with different (fixed) bath temperatures, the energy flow can persist even when the interaction with the baths is turned off. A simple example is given.

Lawrence E. Thomas

2012-04-29T23:59:59.000Z

314

A note on the foundations of mechanics  

E-Print Network [OSTI]

This short note is intended to review the foundations of mechanics, trying to present them with the greatest mathematical and conceptual clarity. It was attempted to remove most of inessential, even parasitic issues, which can hide the true nature of basic principles. The pursuit of that goal results in an improved understanding of some topics such as constrained systems, the nature of time or the relativistic forces. The Sr\\"odinger and Klein-Gordon equations appear as conditions fulfilled by certain types of classical solutions of the field equations although the meaning of quantum equations is not, even remotely, exhausted by these cases. A part of this note comes from previous works.

Ricardo J. Alonso-Blanco; Jess Muoz-Daz

2014-04-04T23:59:59.000Z

315

The effect of a controlled manipulation of maternal dietary fat intake on medium and long chain fatty acids in human breast milk in Saskatoon, Canada  

E-Print Network [OSTI]

Nutr Soc 2007, 66:397-404. 2. Hachey DL, Thomas MR, Emken EA, Garza C, Brown-Booth L, Adlof RO, Klein PD: Human lactation: maternal transfer to dietary triglycerides labeled with stable isotopes. J Lipid Res 1987, 28:1185-1192. 3. Emken EA, Adlof RO... . Within-feed and between-breast variation in selected components of human milk. Am J Clin Nutr 1984, 40:635-646. 20. Jensen RG: Determination of lipid content. The Lipids of Human Milk Boca Raton: CRC PressJensen RG 1989, 25-41. 21. Hall B: Uniformity...

Nasser, Roseann; Stephen, Alison M; Goh, Yeow K; Clandinin, M Thomas

2010-02-19T23:59:59.000Z

316

First integrals of motion in a gauge covariant framework, Killing-Maxwell system and quantum anomalies  

SciTech Connect (OSTI)

Hidden symmetries in a covariant Hamiltonian framework are investigated. The special role of the Stackel-Killing and Killing-Yano tensors is pointed out. The covariant phase-space is extended to include external gauge fields and scalar potentials. We investigate the possibility for a higher-order symmetry to survive when the electromagnetic interactions are taken into account. Aconcrete realization of this possibility is given by the Killing-Maxwell system. The classical conserved quantities do not generally transfer to the quantized systems producing quantum gravitational anomalies. As a rule the conformal extension of the Killing vectors and tensors does not produce symmetry operators for the Klein-Gordon operator.

Visinescu, M., E-mail: mvisin@theory.nipne.ro [National Institute for Physics and Nuclear Engineering, Department of Theoretical Physics (Romania)

2012-10-15T23:59:59.000Z

317

Search for universal extra dimensions in ppbar collisions  

SciTech Connect (OSTI)

We present a search for Kaluza-Klein (KK) particles predicted by models with universal extra dimensions (UED) using a data set corresponding to an integrated luminosity of 7.3 fb{sup -1}, collected by the D0 detector at a p{bar p} center of mass energy of 1.96 TeV. The decay chain of KK particles can lead to a final state with two muons of the same charge. This signature is used to set a lower limit on the compactification scale of R{sup -1} > 260 GeV in a minimal UED model.

Abazov, Victor Mukhamedovich; /Dubna, JINR; Abbott, Braden Keim; /Oklahoma U.; Acharya, Bannanje Sripath; /Tata Inst.; Adams, Mark Raymond; /Illinois U., Chicago; Adams, Todd; /Florida State U.; Alexeev, Guennadi D.; /Dubna, JINR; Alkhazov, Georgiy D.; /St. Petersburg, INP; Alton, Andrew K.; /Michigan U. /Augustana Coll., Sioux Falls; Alverson, George O.; /Northeastern U.; Aoki, Masato; /Fermilab; Askew, Andrew Warren; /Florida State U. /Stockholm U.

2011-12-01T23:59:59.000Z

318

Fully QED/relativistic theory of light pressure on free electrons by isotropic radiation  

E-Print Network [OSTI]

A relativistic/QED theory of light pressure on electrons by an isotropic, in particular blackbody radiation predicts thermalization rates of free electrons over entire span of energies available in the lab and the nature. The calculations based on the QED Klein-Nishina theory of electron-photon scattering and relativistic Fokker-Planck equation, show that the transition from classical (Thompson) to QED (Compton) thermalization determined by the product of electron energy and radiation temperature, is reachable under conditions for controlled nuclear fusion, and predicts large acceleration of electron thermalization in the Compton domain.

A. E. Kaplan

2015-02-25T23:59:59.000Z

319

A no-go for no-go theorems prohibiting cosmic acceleration in extra dimensional models  

SciTech Connect (OSTI)

A four-dimensional effective theory that arises as the low-energy limit of some extra-dimensional model is constrained by the higher dimensional Einstein equations. Steinhardt and Wesley use this to show that accelerated expansion in our four large dimensions can only be transient in a large class of Kaluza-Klein models that satisfy the (higher dimensional) null energy condition [1]. We point out that these no-go theorems are based on a rather ad-hoc assumption on the metric, without which no strong statements can be made.

Koster, Rik; Postma, Marieke, E-mail: rikkost@nikhef.nl, E-mail: mpostma@nikhef.nl [Nikhef, Science Park 105, 1098 XG Amsterdam (Netherlands)

2011-12-01T23:59:59.000Z

320

Origins of Analysis Methods Used to Design High Performance Commercial Buildings: Part I, Whole-Building Energy Simulation  

E-Print Network [OSTI]

loads. In this study, EnergyPlus (Crawley et al. 2001), DOE-2.1e (Winkelmann et al. 1993), eQUEST/DOE2.2 (LBNL and JJH 1998), TRACE (Trane 2013), HAP (Carrier 2013), and TRNSYS (Klein 1976) were studied as whole-building analysis simulation programs... 1987; Ouyang and Haghighat 1991; UIUC and LBNL 2012). The original WFs developed in 1967 and 1971, were also called pre-calculated WFs, which were pre-calculated for specific rooms such as light, medium, and heavy-weight constructions to be used...

Oh, S.; Haberl, J.S.

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Future geodesic completeness of some spatially homogeneous solutions of the vacuum Einstein equations in higher dimensions  

E-Print Network [OSTI]

It is known that all spatially homogeneous solutions of the vacuum Einstein equations in four dimensions which exist for an infinite proper time towards the future are future geodesically complete. This paper investigates whether the analogous statement holds in higher dimensions. A positive answer to this question is obtained for a large class of models which can be studied with the help of Kaluza-Klein reduction to solutions of the Einstein-scalar field equations in four dimensions. The proof of this result makes use of a criterion for geodesic completeness which is applicable to more general spatially homogeneous models.

Arne Goedeke; Alan D. Rendall

2010-02-21T23:59:59.000Z

322

Pulsar model of the high energy phenomenology of LS 5039  

E-Print Network [OSTI]

Under the assumption that LS 5039 is a system composed by a pulsar rotating around an O6.5V star in a $\\sim 3.9$ day orbit, we present the results of a theoretical modeling of the high energy phenomenology observed by the High Energy Stereoscopy Array (H.E.S.S.). This model (including detailed account of the system geometry, Klein-Nishina inverse Compton, $\\gamma$-$\\gamma$ absorption, and cascading) is able to describe well the rich observed phenomenology found in the system at all timescales, both flux and spectrum-wise.

Agnieszka Sierpowska-Bartosik; Diego F. Torres

2007-10-04T23:59:59.000Z

323

Tunnelling of relativistic particles from new type black hole in new massive gravity  

SciTech Connect (OSTI)

In the framework of the three dimensional New Massive Gravity theory introduced by Bergshoeff, Hohm and Townsend, we analyze the behavior of relativistic spin-1/2 and spin-0 particles in the New-type Black Hole backgroud, solution of the New Massive Gravity.We solve Dirac equation for spin-1/2 and Klein-Gordon equation for spin-0. Using Hamilton-Jacobi method, we discuss tunnelling probability and Hawking temperature of the spin-1/2 and spin-0 particles for the black hole. We observe that the tunnelling probability and Hawking temperature are same for the spin-1/2 and spin-0.

Gecim, Ganim; Sucu, Yusuf, E-mail: ganimgecim@akdeniz.edu.tr, E-mail: ysucu@akdeniz.edu.tr [Department of Physics, Akdeniz University, Antalya (Turkey)

2013-02-01T23:59:59.000Z

324

Cosmological Adiabatic Geometric Phase of a Scalar Field in a Bianchi Spacetime  

E-Print Network [OSTI]

A two-component formulation of the Klein-Gordon equation is used to investigate the cyclic and noncyclic adiabatic geometric phases due to spatially homogeneous (Bianchi) cosmological models. It is shown that no adiabatic geometric phases arise for Bianchi type I models. For general Bianchi type IX models the problem of the adiabatic geometric phase is shown to be equivalent to the one for nuclear quadrupole interactions of a spin. For these models nontrivial non-Abelian adiabatic geometrical phases may occur in general.

A. Mostafazadeh

2001-01-22T23:59:59.000Z

325

Quantum spectrum and statistic entropy of black hole  

E-Print Network [OSTI]

Taking the horizon surface of the black hole as a compact membrane and solving the oscillation equation of this membrane by Klein-Gordon equation, we derive the frequencies of oscillation modes of the horizon surface, which are proportional to the radiation temperature of the black hole. However, the frequencies of oscillation modes are not equidistant. Using the distribution of obtained frequencies of oscillation mode we compute the statistic entropy of the black hole and obtain that the statistic entropy of the black hole is proportional to the area of the horizon. Therefore, it is proven that the quantum statistic entropy of the black hole is consistent with Bekenstein-Hawking entropy.

Zhao Ren; Li Huaifan; Zhang Shengli

2006-10-16T23:59:59.000Z

326

Branes are Waves and Monopoles  

E-Print Network [OSTI]

In a recent paper it was shown that fundamental strings are null waves in Double Field Theory. Similarly, membranes are waves in exceptional extended geometry. Here the story is continued by showing how various branes are Kaluza-Klein monopoles of these higher dimensional theories. Examining the specific case of the E7 exceptional extended geometry, we see that all branes are both waves and monopoles. Along the way we discuss the O(d; d) transformation of localized brane solutions not associated to an isometry and how true T-duality emerges in Double Field Theory when the background possesses isometries.

David S. Berman; Felix J. Rudolph

2014-09-22T23:59:59.000Z

327

Non-Archimedean White Noise, Massive Euclidean Fields, and Schwinger Functions  

E-Print Network [OSTI]

We construct p-adic Euclidean random fields {\\Phi} over Q_{p}^{N}, for arbitrary N, these fields are solutions of p-adic stochastic pseudodifferential equations of Klein-Gordon type. From a mathematical perspective, the Euclidean fields are generalized stochastic processes parametrized by functions belonging to a nuclear countably Hilbert space, these spaces are introduced in this article, in addition, the Euclidean fields are invariant under the action of certain group of transformations. We also study the Schwinger functions of {\\Phi}.

W. A. Ziga-Galindo

2015-01-27T23:59:59.000Z

328

Space--time fluctuations and the spreading of wavepackets  

E-Print Network [OSTI]

Using a density matrix description in space we study the evolution of wavepackets in a fluctuating space-time background. We assume that space-time fluctuations manifest as classical fluctuations of the metric. From the non-relativistic limit of a non-minimally coupled Klein-Gordon equation we derive a Schr\\"odinger equation with an additive gaussian random potential. This is transformed into an effective master equation for the density matrix. The solutions of this master equation allow to study the dynamics of wavepackets in a fluctuating space-time, depending on the fluctuation scenario. We show how different scenarios alter the diffusion properties of wavepackets.

E. Gkl; C. Lmmerzahl; A. Camacho; A. Macias

2009-08-03T23:59:59.000Z

329

Search for Randall-Sundrum gravitons in the dielectron and diphoton final states with 5.4fb$^{-1}$ of data from $p\\bar{p}$ collisions at $\\sqrt{s}=1.96$ TeV  

SciTech Connect (OSTI)

Using 5.4 fb{sup -1} of integrated luminosity from p{bar p} collisions at {radical}s = 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider, we search for decays of the lightest Kaluza-Klein mode of the graviton in the Randall-Sundrum model to ee and {gamma}{gamma}. We set 95% C.L. lower limits on the mass of the lightest graviton between 560 GeV and 1050 GeV for values of the coupling k/{bar M}{sub Pl} between 0.01 and 0.1.

Abazov, Victor Mukhamedovich; /Dubna, JINR; Abbott, Braden Keim; /Oklahoma U.; Abolins, Maris A.; /Michigan State U.; Acharya, Bannanje Sripath; /Tata Inst.; Adams, Mark Raymond; /Illinois U., Chicago; Adams, Todd; /Florida State U.; Aguilo, Ernest; /York U., Canada; Alexeev, Guennadi D.; /Dubna, JINR; Alkhazov, Georgiy D.; /St. Petersburg, INP; Alton, Andrew K.; /Michigan U. /Augustana Coll., Sioux Falls; Alverson, George O.; /Northeastern U. /Rio de Janeiro, CBPF

2010-04-01T23:59:59.000Z

330

Infrared problem for the Nelson model on static space-times  

E-Print Network [OSTI]

We consider the Nelson model with variable coefficients and investigate the problem of existence of a ground state and the removal of the ultraviolet cutoff. Nelson models with variable coefficients arise when one replaces in the usual Nelson model the flat Minkowski metric by a static metric, allowing also the boson mass to depend on position. A physical example is obtained by quantizing the Klein-Gordon equation on a static space-time coupled with a non-relativistic particle. We investigate the existence of a ground state of the Hamiltonian in the presence of the infrared problem, i.e. assuming that the boson mass tends to 0 at infinity.

Christian Grard; Fumio Hiroshima; Annalisa Panati; Akito Suzuki

2011-01-03T23:59:59.000Z

331

Relativistic tunneling and accelerated transmission  

E-Print Network [OSTI]

We obtain the solutions for the tunneling zone of a one-dimensional electrostatic potential in the relativistic (Dirac to Klein-Gordon) wave equation regime when the incoming wave packet exhibits the possibility of being almost totally transmitted through the potential barrier. The conditions for the occurrence of accelerated and, eventually, superluminal tunneling transmission probabilities are all quantified and the problematic superluminal interpretation originated from the study based on non-relativistic dynamics of tunneling is overcome. The treatment of the problem suggests revealing insights into condensed-matter experiments using electrostatic barriers in single- and bi-layer graphene, for which the accelerated tunneling effect deserves a more careful investigation.

Alex E. Bernardini

2007-06-26T23:59:59.000Z

332

Extreme Science (LBNL Science at the Theater)  

SciTech Connect (OSTI)

On Feb. 27, 2012 at the Berkeley Repertory Theatre, four Berkeley Lab scientists presented talks related to extreme science - and what it means to you. Topics include: Neutrino hunting in Antarctica. Learn why Spencer Klein goes to the ends of the Earth to search for these ghostly particles. From Chernobyl to Central Asia, Tamas Torok travels the globe to study microbial diversity in extreme environments. Andrew Minor uses the world's most advanced electron microscopes to explore materials at ultrahigh stresses and in harsh environments. And microbes that talk to computers? Caroline Ajo-Franklin is pioneering cellular-electrical connections that could help transform sunlight into fuel.

Ajo-Franklin, Caroline; Klein, Spencer; Minor, Andrew; Torok, Tamas

2012-02-27T23:59:59.000Z

333

Exponential scaling limit of the single-particle Anderson model via adaptive feedback scaling  

E-Print Network [OSTI]

We propose a reformulation of the bootstrap version of the Multi-Scale Analysis (BMSA), developed by Germinet and Klein, to make explicit the fact that BMSA implies asymptotically exponential decay of eigenfunctions (EFs) and of EF correlators (EFCs), in the lattice Anderson models with diagonal disorder, viz. with an IID random potential. We also show that the exponential scaling limit of EFs and EFCs holds true for a class of marginal distributions of the random potential with regularity lower than H\\"older continuity of any positive order.

Victor Chulaevsky

2015-03-09T23:59:59.000Z

334

Localization on the Landscape and Eternal Inflation  

E-Print Network [OSTI]

We investigate the validity of the assertion that eternal inflation populates the landscape of string theory. We verify that bubble solutions do not satisfy the Klein Gordon equation for the landscape potential. Solutions to the landscape potential within the formalism of quantum cosmology are Anderson localized wavefunctions. Those are inconsistent with inflating bubble solutions. The physical reasons behind the failure of a relation between eternal inflation and the landscape are rooted in quantum phenomena such as interference between wavefunction concentrated around the various vacua in the landscape.

Laura Mersini-Houghton; Malcolm J. Perry

2014-04-22T23:59:59.000Z

335

Space-Time Curvature Signatures in Bose-Einstein Condensates  

E-Print Network [OSTI]

We derive a generalized Gross-Pitaevski (GP) equation immersed on a electromagnetic and a weak gravitational field starting from the covariant Complex Klein-Gordon field in a curved space-time. We compare it with the GP equation where the gravitational field is added by hand as an external potential. We show that there is a small difference of order $g z/c^2$ between them that could be measured in the future using Bose-Einstein Condensates (BEC). This represents the next order correction to the Newtonian gravity in a curved space-time.

Matos, Tonatiuh

2015-01-01T23:59:59.000Z

336

Search for Large Extra Dimensions via Single Photons Plus Missing Energy Final States at s^(1/2) = 1.96 TeV  

SciTech Connect (OSTI)

This dissertation presents a search for large extra dimensions in the single photon plus missing transverse energy final states. We use a data sample of approximately 2.7 fb{sup -1} of p{bar p} collisions at {radical}s = 1.96 TeV (recorded with the D{sup -} detector) to investigate direct Kaluza Klein graviton production and set limits, at the 95% C.L., on the fundamental mass scale M{sub D} from 970 GeV to 816 GeV for two to eight extra dimensions.

Carrera, Edgar Fernando; /Florida State U.

2008-12-01T23:59:59.000Z

337

Buffer-gas-induced absorption resonances in Rb vapor RID B-9041-2008  

E-Print Network [OSTI]

density [57]: g?DsNd . uVdu2?ggrS 38pNl2LD?1/2. s25d Substituting the density of the resonant atoms given by Eq. (23) we obtain the resonance width: g?DsDd ~ uVdu2?ggr 1 ?NLe D2/2skud2 . s26d Figure 16 shows that this formula works only for a.... Scully for useful and stimulating discus- sions, and M. Klein for careful reading of the manuscript. Financial support is provided by the Office of Naval Re- search. [1] E. Arimondo and G. Orriols, Lett. Nuovo Cimento Soc. Ital. Fis. 17, 333 (1976...

Mikhailov, E. E.; Novikova, I.; Rostovtsev, Y. V.; Welch, George R.

2004-01-01T23:59:59.000Z

338

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339

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340

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341

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342

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343

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344

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345

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346

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347

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348

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349

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350

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351

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352

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353

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354

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355

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356

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357

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358

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359

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360

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361

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362

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363

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364

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365

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366

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367

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368

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369

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370

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371

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372

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373

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20 W 118 thandfew

374

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20 W 118

375

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20 W 118Strategy

376

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377

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20 WACHIEVEMENTS

378

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20 WACHIEVEMENTSN

379

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20

380

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Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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381

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20HAB System

382

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20HAB SystemJeff

383

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20HAB

384

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20HABSystem

385

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World LNG20HABSystemUpdate

386

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG World

387

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG WorldPresented by: Upgrades

388

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG WorldPresented by:

389

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG WorldPresented by:Dr.

390

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG WorldPresented

391

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG WorldPresentedHowieson,

392

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG

393

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG Presented by: Hanford

394

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG Presented by:

395

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG Presented by:Double-Shell

396

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG Presented

397

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG PresentedHERO and Fairchild

398

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG PresentedHERO and

399

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG PresentedHERO andScoping

400

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG PresentedHERO

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG PresentedHEROWORKERS'

402

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG PresentedHEROWORKERS'

403

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNG

404

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For the 2014

405

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For the 2014PPO

406

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For the

407

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For theMonthly

408

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For

409

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For5395 Approved

410

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For5395

411

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation For53959/10

412

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformation

413

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReady for Intel®

414

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReady for

415

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReady

416

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReadyNERSC Cray

417

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReadyNERSC

418

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReadyNERSC 

419

PowerPoint Presentation  

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AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReadyNERSC 

420

PowerPoint Presentation  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006PhotovoltaicSeptemberapproach toKleinLNGInformationReadyNERSC

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Plant maintenance and plant life extension issue, 2007  

SciTech Connect (OSTI)

The focus of the March-April issue is on plant maintenance and plant life extension. Major articles/reports in this issue include: Three proposed COLs expected in 2007, by Dale E. Klein, U.S. Nuclear Regulatory Commission; Delivering behaviors that our customers value, by Jack Allen, Westinghouse Electric Company; Facilitating high-level and fuel waste disposal technologies, by Malcolm Gray, IAEA, Austria; Plant life management and long-term operation, by Pal Kovacs, OECD-NEA, France; Measuring control rod position, by R. Taymanov, K. Sapozhnikova, I. Druzhinin, D.I. Mendeleyev, Institue for Metrology, Russia; and, 'Modernization' means higher safety, by Svetlana Genova, Kozluduy NPP plc, Bulgaria.

Agnihotri, Newal (ed.)

2007-03-15T23:59:59.000Z

422

DRAFT ADVICE - UNACCEPTABLE PROGRAM IMPACTS UNDER FY 97 BUDGET  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)38232DOJTuning200 Keith Klein,

423

DRAFT ADVICE - UNACCEPTABLE PROGRAM IMPACTS UNDER FY 97 BUDGET  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation Proposed Newcatalyst phases onOrganizationElectronic Reading2Q)38232DOJTuning200 Keith Klein,

424

file://L:\DOE-hanford.gov\public\boards\hab\advice\advice105.ht  

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425

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426

file://L:\DOE-hanford.gov\public\boards\hab\advice\advice108.ht  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched5 Industrial Carbon Capture andDeepwater Methane9a. Usage IndicatorsKeith Klein,7,Dick

427

Black holes and the absorption rate of cosmological scalar fields  

E-Print Network [OSTI]

We study the absorption of a massless scalar field by a static black hole. Using the continuity equation that arises from the Klein-Gordon equation, it is possible to define a normalized absorption rate $\\Gamma(t)$ for the scalar field as it falls into the black hole. It is found that the absorption mainly depends upon the characteristics wavelengths involved in the physical system: the mean wavenumber and the width of the wave packet, but that it is insensitive to the scalar field's strength. By taking a limiting procedure, we determine the minimum absorption fraction of the scalar field's mass by the black hole, which is around 50%.

L. Arturo Urena-Lopez; Lizbeth M. Fernandez

2011-07-15T23:59:59.000Z

428

A new localization mechanism and Hodge duality for $q-$form field  

E-Print Network [OSTI]

In this paper, through a general Kaluza-Klein decomposition we investigate a new localization mechanism for a massless $q-$form field on the $p-$brane world with codimension one. We obtain two Schr\\"{o}dinger-like equations for the Kaluza-Klein (KK) modes, from which we can find the mass spectra of the KK modes and analyze their characters. It is found that there are two types of massless KK modes, a massless $q-$form KK mode and a massless $(q-1)-$form one, which cannot be localized on the brane at the same time. Because of this the Hodge duality on the brane can be naturally satisfied, which indicates a duality between a localized massless $q-$form mode and a $(p-q-1)-$form one. While if there exist some bound massive KK modes, they will couple with a massless $(q-1)-$form mode with different coupling constants, and so does the bulk $(p-q)-$form field. In this case the effective $q-$form field is still dual to the $(p-q)-$form one, just as in the bulk, although the mass spectra of the KK modes for both fields are not the same.

Chun-E Fu; Yu-Xiao Liu; Heng Guo; Sheng-Li Zhang

2015-02-19T23:59:59.000Z

429

A Three site Higgsless model  

SciTech Connect (OSTI)

We analyze the spectrum and properties of a highly deconstructed Higgsless model with only three sites. Such a model contains sufficient complexity to incorporate interesting physics issues related to fermion masses and electroweak observables, yet remains simple enough that it could be encoded in a Matrix Element Generator program for use with Monte Carlo simulations. The gauge sector of this model is equivalent to that of the Breaking Electroweak Symmetry Strongly (BESS) model; the new physics of interest here lies in the fermion sector. We analyze the form of the fermion Yukawa couplings required to produce the ideal fermion delocalization that causes tree-level precision electroweak corrections to vanish. We discuss the size of one-loop corrections to b{yields}s{gamma}, the weak-isospin violating parameter {alpha}T and the decay Z{yields}bb. We find that the new fermiophobic vector states (the analogs of the gauge-boson Kaluza-Klein modes in a continuum model) can be reasonably light, with a mass as low as 380 GeV, while the extra (approximately vectorial) quark and lepton states (the analogs of the fermion Kaluza-Klein modes) must be heavier than 1.8 TeV.

Chivukula, R. Sekhar; Coleppa, Baradhwaj; Chiara, Stefano Di; Simmons, Elizabeth H.; He, Hong-Jian; Kurachi, Masafumi; Tanabashi, Masaharu [Department of Physics and Astronomy, Michigan State University East Lansing, Michigan 48824 (United States); Center for High Energy Physics, Tsinghua University Beijing 100084 (China); C.N. Yang Institute for Theoretical Physics, State University of New York Stony Brook, New York 11794 (United States); Department of Physics, Tohoku University Sendai 980-8578 (Japan)

2006-10-01T23:59:59.000Z

430

Ultrasonic imaging with limited-diffraction beams  

E-Print Network [OSTI]

Limited-diffraction beams are a class of waves that may be localized in space and time. Theoretically, these beams are propagation invariant and can propagate to an infinite distance without spreading. In practice, when these beams are produced with wave sources of a finite aperture and energy, they have a very large depth of field, meaning that they can keep a small beam width over a large distance. Because of this property, limited-diffraction beams may have applications in various areas such as medical imaging and tissue characterization. In this paper, fundamentals of limited-diffraction beams are reviewed and the studies of these beams are put into a unified theoretical framework. Theory of limited-diffraction beams is further developed. New limited-diffraction solutions to Klein-Gordon Equation and Schrodinger Equation, as well as limited-diffraction solutions to these equations in confined spaces are obtained. The relationship between the transformation that converts any solutions to an (-1)-dimensional wave equation to limited-diffraction solutions of an -dimensional equation and the Lorentz transformation is clarified and extended. The transformation is also applied to the Klein-Gordon Equation. In addition, applications of limited-diffraction beams are summarized.

Jian-yu Lu

2006-03-28T23:59:59.000Z

431

Black Holes with Flavors of Quantum Hair?  

E-Print Network [OSTI]

We show that black holes can posses a long-range quantum hair of super-massive tensor fields, which can be detected by Aharonov-Bohm tabletop interference experiments, in which a quantum-hairy black hole, or a remnant particle, passes through the loop of a magnetic solenoid. The long distance effect does not decouple for an arbitrarily high mass of the hair-providing field. Because Kaluza-Klein and String theories contain infinite number of massive tensor fields, we study black holes with quantum Kaluza-Klein hair. We show that in five dimensions such a black hole can be interpreted as a string of `combed' generalized magnetic monopoles, with their fluxes confined along it. For the compactification on a translation-invariant circle, this substructure uncovers hidden flux conservation and quantization of the monopole charges, which constrain the quantum hair of the resulting four-dimensional black hole. For the spin-2 quantum hair this result is somewhat unexpected, since the constituent `magnetic' charges have no `electric' counterparts. Nevertheless, the information about their quantization is encoded in singularity.

Gia Dvali

2006-07-20T23:59:59.000Z

432

Generalised Eisenhart lift of the Toda chain  

SciTech Connect (OSTI)

The Toda chain of nearest neighbour interacting particles on a line can be described both in terms of geodesic motion on a manifold with one extra dimension, the Eisenhart lift, or in terms of geodesic motion in a symmetric space with several extra dimensions. We examine the relationship between these two realisations and discover that the symmetric space is a generalised, multi-particle Eisenhart lift of the original problem that reduces to the standard Eisenhart lift. Such generalised Eisenhart lift acts as an inverse Kaluza-Klein reduction, promoting coupling constants to momenta in higher dimension. In particular, isometries of the generalised lift metric correspond to energy preserving transformations that mix coordinates and coupling constants. A by-product of the analysis is that the lift of the Toda Lax pair can be used to construct higher rank Killing tensors for both the standard and generalised lift metrics.

Cariglia, Marco, E-mail: marco@iceb.ufop.br [DEFIS, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro, 35400-000 Ouro Preto, MG (Brazil)] [DEFIS, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro, 35400-000 Ouro Preto, MG (Brazil); Gibbons, Gary, E-mail: g.w.gibbons@damtp.cam.ac.uk [DAMTP, University of Cambridge, Wilberforce Road, Cambridge CB3 0WA (United Kingdom)] [DAMTP, University of Cambridge, Wilberforce Road, Cambridge CB3 0WA (United Kingdom)

2014-02-15T23:59:59.000Z

433

Science at the Theatre - Extreme Science - Promo Video  

ScienceCinema (OSTI)

On Feb. 27 at 7 pm at the Berkeley Repertory Theatre, join four Berkeley Lab scientists as they discuss extreme science -- and what it means to you. Topics include: Neutrino hunting in Antarctica. Learn why Spencer Klein goes to the ends of the Earth to search for these ghostly particles. From Chernobyl to Central Asia, Tamas Torok travels the globe to study microbial diversity in extreme environments. Andrew Minor uses the world's most advanced electron microscopes to explore materials at ultrahigh stresses and in harsh environments. And microbes that talk to computers? Caroline Ajo-Franklin is pioneering cellular-electrical connections that could help transform sunlight into fuel. Go here for more information and to view videos of previous Science at the Theater events: http://www.lbl.gov/LBL-PID/fobl/

Klein, Spencer

2013-05-29T23:59:59.000Z

434

The Spectral Break Near TeV of $e^\\pm$ Cosmic Rays - Standard Physics or Dark Matter Origin?  

E-Print Network [OSTI]

The complex spectra of high energy ${\\rm e^\\pm}$ cosmic rays (CRs) observed near Earth are those expected from standard model physics. In particular, the observed hardening of their spectra with increasing energy reported by the AMS-02 collaboration can be produced by the transition of their energy-loss by inverse Compton scattering off Galactic light from the Thomson to the Klein-Nishina regime. The "cut-off" near TeV in the combined ${\\rm e^\\pm}$ flux observed with H.E.S.S can be due to pair production in ${\\rm e^\\pm}\\gamma$ collisions in source rather than a bump produced by the decay/annihilation of dark matter particles with a mass of $\\sim$TeV. Beyond this "cutoff", the $e^\\pm$ CRs are mostly produced by the decay of mesons from hadronic collisions of CR protons in/near source with a positron fraction $\\sim 0.57$.

Dado, Shlomo

2015-01-01T23:59:59.000Z

435

Fermion resonances on a thick brane with a piecewise warp factor  

SciTech Connect (OSTI)

In this paper, we mainly investigate the problems of resonances of massive Kaluza-Klein (KK) fermions on a single scalar constructed thick brane with a piecewise warp factor matching smoothly. The distance between two boundaries and the other parameters are determined by one free parameter through three junction conditions. For the generalized Yukawa coupling {eta}{Psi}{phi}{sup k{Psi}} with odd k=1,3,5,..., the mass eigenvalue m, width {Gamma}, lifetime {tau}, and maximal probability P{sub max} of fermion resonances are obtained. Our numerical calculations show that the brane without internal structure also favors the appearance of resonant states for both left- and right-handed fermions. The scalar-fermion coupling and the thickness of the brane influence the resonant behaviors of the massive KK fermions.

Li Haitao; Liu Yuxiao; Zhao Zhenhua; Guo Heng [Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000 (China)

2011-02-15T23:59:59.000Z

436

High-fidelity numerical solution of the time-dependent Dirac equation  

SciTech Connect (OSTI)

A stable high-order accurate finite difference method for the time-dependent Dirac equation is derived. Grid-convergence studies in 1-D and 3-D corroborate the analysis. The method is applied to time-resolved quantum tunneling where a comparison with the solution to the time-dependent Schrdinger equation in 1-D illustrates the differences between the two equations. In contrast to the conventional tunneling probability decay predicted by the Schrdinger equation, the Dirac equation exhibits Klein tunneling. Solving the time-dependent Dirac equation with a step potential in 3-D reveals that particle spin affects the tunneling process. The observed spin-dependent reflection allows for a new type of spin-selective measurements.

Almquist, Martin, E-mail: martin.almquist@it.uu.se [Uppsala University, Department of Information Technology, Lgerhyddsvgen 2, 752 37 Uppsala (Sweden); Mattsson, Ken [Uppsala University, Department of Information Technology, Lgerhyddsvgen 2, 752 37 Uppsala (Sweden); Edvinsson, Tomas [Uppsala University, Department of Chemistry ngstrm Laboratory, Lgerhyddsvgen 1, 751 21 Uppsala (Sweden)

2014-04-01T23:59:59.000Z

437

QCD Corrections to Vector-Boson Fusion Processes in Warped Higgsless Models  

E-Print Network [OSTI]

We discuss the signatures of a representative Higgsless model with ideal fermion delocalization in vector-boson fusion processes, focusing on the gold- and silver-plated decay modes of the gauge bosons at the CERN-Large Hadron Collider. For this purpose, we have developed a fully-flexible parton-level Monte-Carlo program, which allows for the calculation of cross sections and kinematic distributions within experimentally feasible selection cuts at NLO-QCD accuracy. We find that Kaluza-Klein resonances give rise to very distinctive distributions of the decay leptons. Similar to the Standard Model case, within the Higgsless scenario the perturbative treatment of the vector-boson scattering processes is under excellent control.

C. Englert; B. Jager; D. Zeppenfeld

2008-12-13T23:59:59.000Z

438

New symmetry properties of pointlike scalar and Dirac particles  

E-Print Network [OSTI]

New symmetry properties are found for pointlike scalar and Dirac particles (Higgs boson and all leptons) in Riemannian spacetimes in the presence of electromagnetic interactions. A Hermitian form of the Klein-Gordon equation for a pointlike scalar particle in an arbitrary n-dimensional Riemannian spacetime is obtained. New conformal symmetries of initial and Hermitian forms of this equation are ascertained. In the above spacetime, general Hamiltonians in the generalized Feshbach-Villars and Foldy-Wouthuysen representations are derived. The conformal-like transformation conserving these Hamiltonians is found. Corresponding conformal symmetries of a Dirac particle are determined. It is proven that all conformal symmetries remain unchanged by an inclusion of electromagnetic interactions.

Alexander J. Silenko

2015-01-15T23:59:59.000Z

439

Plant maintenance and plant life extension issue, 2008  

SciTech Connect (OSTI)

The focus of the March-April issue is on plant maintenance and plant life extension. Major articles include the following: Exciting time to be at the U.S. NRC, by Dale Klein, Nuclear Regulatory Commission; Extraordinary steps to ensure a minimal environmental impact, by George Vanderheyden, UniStar Nuclear Energy, LLC.; Focused on consistent reduction of outages, by Kevin Walsh, GE Hitachi Nuclear Energy; On the path towards operational excellence, by Ricardo Perez, Westinghouse Electric Company; Ability to be refuelled on-line, by Ian Trotman, CANDU Services, Atomic Energy of Canada, Ltd.; ASCA Application for maintenance of SG secondary side, by Patrick Wagner, Wolf Creek Nuclear Operating Corporation, Phillip Battaglia and David Selfridge, Westinghouse Electric Company; and, An integral part of the landscape and lives, by Tyler Lamberts, Entergy Nuclear Operations, Inc. The Industry Innovation article is titled Steam generator bowl drain repairs, by John Makar and Richard Gimple, Wolf Creek Nuclear Operating Corporation.

Agnihotri, Newal (ed.)

2008-03-15T23:59:59.000Z

440

Cross sections for production of closed superstrings at high energy colliders in brane world models  

E-Print Network [OSTI]

In brane world string models with large extra dimensions, there are processes where fermion and antifermion (or two gluons) can annihilate producing a light particle (e.g. gluon) carrying transverse momentum and a Kaluza-Klein graviton or an excited closed string that propagates in the extra dimensions. In high energy colliders, this process gives a missing momentum signature. We compute the total cross section for this process within the context of type II superstring theory in the presence of a D brane. This includes all missing energy sources for this string theory model up to s=8M_s^2, and it can be used to put new limits on the string scale M_s.

Diego Chialva; Roberto Iengo; Jorge G. Russo

2005-05-24T23:59:59.000Z

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441

Contractions, deformations and curvature  

E-Print Network [OSTI]

The role of curvature in relation with Lie algebra contractions of the pseudo-ortogonal algebras so(p,q) is fully described by considering some associated symmetrical homogeneous spaces of constant curvature within a Cayley-Klein framework. We show that a given Lie algebra contraction can be interpreted geometrically as the zero-curvature limit of some underlying homogeneous space with constant curvature. In particular, we study in detail the contraction process for the three classical Riemannian spaces (spherical, Euclidean, hyperbolic), three non-relativistic (Newtonian) spacetimes and three relativistic ((anti-)de Sitter and Minkowskian) spacetimes. Next, from a different perspective, we make use of quantum deformations of Lie algebras in order to construct a family of spaces of non-constant curvature that can be interpreted as deformations of the above nine spaces. In this framework, the quantum deformation parameter is identified as the parameter that controls the curvature of such "quantum" spaces.

Angel Ballesteros; Francisco J. Herranz; Orlando Ragnisco; Mariano Santander

2007-06-15T23:59:59.000Z

442

Chiral tunneling in single and bilayer graphene  

E-Print Network [OSTI]

We review chiral (Klein) tunneling in single-layer and bilayer graphene and present its semiclassical theory, including the Berry phase and the Maslov index. Peculiarities of the chiral tunneling are naturally explained in terms of classical phase space. In a one-dimensional geometry we reduced the original Dirac equation, describing the dynamics of charge carriers in the single layer graphene, to an effective Schr\\"odinger equation with a complex potential. This allowed us to study tunneling in details and obtain analytic formulas. Our predictions are compared with numerical results. We have also demonstrated that, for the case of asymmetric n-p-n junction in single layer graphene, there is total transmission for normal incidence only, side resonances are suppressed.

T. Tudorovskiy; K. J. A. Reijnders; M. I. Katsnelson

2011-06-15T23:59:59.000Z

443

Probing the geometric nature of particles mass in graphene systems  

E-Print Network [OSTI]

According to undulatory mechanics, the Compton periodicity, which is the intrinsic proper-time recurrence of a wave function, determines the mass of the corresponding elementary particles. This provides a geometric description of the rest mass which can be consistently applied to derive the effective mass spectrum and electronic properties of the elementary charge carriers in carbon nanotubes and other condensed matter systems. The Compton periodicity is determined by the boundary conditions associated to the curled-up dimension of carbon nanotubes or analogous constraints of the charge carrier wave function. This approach shows an interesting interplay between particle physics and relativistic space-time, as well as analogies with the Kaluza-Klein theory and Holography.

Donatello Dolce; Andrea Perali

2014-03-13T23:59:59.000Z

444

Equation of state of dark energy in f(R) gravity  

E-Print Network [OSTI]

f(R) gravity is one of the simplest generalizations of general relativity, which may explain accelerated cosmic expansion without introducing a cosmological constant. Transformed into the Einstein frame, a new scalar degree of freedom appears and it couples with matter fields. In order for f(R) theories to pass the local tests of general relativity, it has been known that the chameleon mechanism with a so-called thin-shell solution must operate. If the thin-shell constraint is applied to a cosmological situation, it has been claimed that the equation of state parameter of dark energy w must be extremely close to -1. We argue this is due to incorrect use of the Poisson's equation which is valid only in the static case. By solving the correct Klein-Gordon equation perturbatively, we show that a thin-shell solution exists even if w deviates from -1 appreciably.

Takahashi, Kazufumi

2015-01-01T23:59:59.000Z

445

Self-force via energy-momentum and angular momentum balance equations  

E-Print Network [OSTI]

The radiation reaction for a point-like charge coupled to a massive scalar field is considered. The retarded Green's function associated with the Klein-Gordon wave equation has support not only on the future light cone of the emission point (direct part), but extends inside the light cone as well (tail part). Dirac's scheme of decomposition of the retarded electromagnetic field into the "mean of the advanced and retarded field" and the "radiation" field is adapted to theories where Green's function consists of the direct and the tail parts. The Harish-Chandra equation of motion of radiating scalar charge under the influence of an external force is obtained. This equation includes effect of particle's own field. The self force produces a time-changing inertial mass.

Yurij Yaremko

2012-07-20T23:59:59.000Z

446

A search for resonant Z pair production  

SciTech Connect (OSTI)

I describe a search for anomalous production of Z pairs through a new massive resonance X in 2.5-2.9 fb{sup -1} of p{bar p} collisions at {radical}s = 1.96 TeV using the CDFII Detector at the Fermilab Tevatron. I reconstruct Z pairs through their decays to electrons, muons, and quarks. To achieve perhaps the most efficient lepton reconstruction ever used at CDF, I apply a thorough understanding of the detector and new reconstruction software heavily revised for this purpose. In particular, I have designed and employ new general-purpose algorithms for tracking at large {eta} in order to increase muon acceptance. Upon analyzing the unblinded signal samples, I observe no X {yields} ZZ candidates and set upper limits on the production cross section using a Kaluza-Klein graviton-like acceptance.

Boveia, Antonio; /UC, Santa Barbara

2008-12-01T23:59:59.000Z

447

Rotating black holes in a draining bathtub: superradiant scattering of gravity waves  

E-Print Network [OSTI]

In a draining rotating fluid flow background, surface perturbations behave as a scalar field on a rotating effective black hole spacetime. We propose a new model for the background flow which takes into account the varying depth of the water. Numerical integration of the associated Klein-Gordon equation using accessible experimental parameters shows that gravity waves in an appropriate frequency range are amplified through the mechanism of superradiance. Our numerical results suggest that the observation of this phenomenon in a common fluid mechanical system is within experimental reach. Unlike the case of wave scattering around Kerr black holes, which depends only on one dimensionless background parameter (the ratio $a/M$ between the specific angular momentum and the mass of the black hole), our system depends on two dimensionless background parameters, namely the normalized angular velocity and surface gravity at the effective black hole horizon.

Mauricio Richartz; Angus Prain; Stefano Liberati; Silke Weinfurtner

2014-12-16T23:59:59.000Z

448

Foundation of Hydrodynamics for Systems with Strong Interactions  

E-Print Network [OSTI]

For a dense and strongly interacting system, such as a nucleus or a strongly-coupled quark-gluon plasma, the foundation of hydrodynamics can be better found in the quantum description of constituents moving in the strong mean fields generated by all other particles. Using the result that the Schroedinger equation and the Klein-Gordon equation can be written in hydrodynamical forms, we find that the probability currents of the many-body system in the mean-field description obey a hydrodynamical equation with stress tensors arising from many contributions: quantum effects, mean-field interactions, and thermal fluctuations. The influence of various contributions to the hydrodynamical motion is expected to vary with the temperature, as the quantum and mean-field stress tensors playing more important roles at low and moderate temperatures.

Cheuk-Yin Wong

2010-11-30T23:59:59.000Z

449

Universal spin-1/2 fermion field localization on a 5D braneworld  

E-Print Network [OSTI]

In this work we present a refined method for the localization of spin-$\\frac{1}{2}$ fermions on the 5D braneworld paradigm. We begin by proposing a more natural ansatz for the Yukawa coupling in the 5D bulk fermionic action, that guarantees the localization of the ground states for the 4D fermions with right or left chirality. Furthermore, we show that the fermion ground states localization allow us to show the absence of tachyonic modes in the left and right-chiral Kaluza-Klein mass spectrum. More precisely, we show that localization of gravity in the 5D braneworld implies the localization of the spin-$\\frac{1}{2}$ fermions.

Barbosa-Cendejas, Nandinii; Mora-Luna, Refugio Rigel

2015-01-01T23:59:59.000Z

450

Complex statistics and diffusion in nonlinear disordered particle chains  

SciTech Connect (OSTI)

We investigate dynamically and statistically diffusive motion in a Klein-Gordon particle chain in the presence of disorder. In particular, we examine a low energy (subdiffusive) and a higher energy (self-trapping) case and verify that subdiffusive spreading is always observed. We then carry out a statistical analysis of the motion, in both cases, in the sense of the Central Limit Theorem and present evidence of different chaos behaviors, for various groups of particles. Integrating the equations of motion for times as long as 10{sup 9}, our probability distribution functions always tend to Gaussians and show that the dynamics does not relax onto a quasi-periodic Kolmogorov-Arnold-Moser torus and that diffusion continues to spread chaotically for arbitrarily long times.

Antonopoulos, Ch. G., E-mail: chris.antonopoulos@abdn.ac.uk [Institute for Complex Systems and Mathematical Biology (ICSMB), Department of Physics, University of Aberdeen, AB24 3UE Aberdeen (United Kingdom); Bountis, T., E-mail: bountis@math.upatras.gr [Center for Research and Applications of Nonlinear Systems (CRANS), Department of Mathematics, University of Patras, 26500 Patras (Greece); Skokos, Ch., E-mail: haris.skokos@uct.ac.za [Department of Mathematics and Applied Mathematics, University of Cape Town, Rondebosch, Cape Town 7701 (South Africa); Department of Physics, Aristotle University of Thessaloniki, 54124 Thessaloniki (Greece); Drossos, L., E-mail: ldrossos@teimes.gr [High Performance Computing Systems Lab (HPCS lab), Department of Computer and Informatics Engineering, Technological Educational Institute of Western Greece, 30300 Antirion (Greece)

2014-06-15T23:59:59.000Z

451

Analytical approximations for x-ray cross sections III  

SciTech Connect (OSTI)

This report updates our previous work that provided analytical approximations to cross sections for both photoelectric absorption of photons by atoms and incoherent scattering of photons by atoms. This representation is convenient for use in programmable calculators and in computer programs to evaluate these cross sections numerically. The results apply to atoms of atomic numbers between 1 and 100 and for photon energiesgreater than or equal to10 eV. The photoelectric cross sections are again approximated by four-term polynomials in reciprocal powers of the photon energy. There are now more fitting intervals, however, than were used previously. The incoherent-scattering cross sections are based on the Klein-Nishina relation, but use simpler approximate equations for efficient computer evaluation. We describe the averaging scheme for applying these atomic results to any composite material. The fitting coefficients are included in tables, and the cross sections are shown graphically. 100 graphs, 1 tab.

Biggs, F; Lighthill, R

1988-08-01T23:59:59.000Z

452

Science at the Theatre - Extreme Science - Promo Video  

SciTech Connect (OSTI)

On Feb. 27 at 7 pm at the Berkeley Repertory Theatre, join four Berkeley Lab scientists as they discuss extreme science -- and what it means to you. Topics include: Neutrino hunting in Antarctica. Learn why Spencer Klein goes to the ends of the Earth to search for these ghostly particles. From Chernobyl to Central Asia, Tamas Torok travels the globe to study microbial diversity in extreme environments. Andrew Minor uses the world's most advanced electron microscopes to explore materials at ultrahigh stresses and in harsh environments. And microbes that talk to computers? Caroline Ajo-Franklin is pioneering cellular-electrical connections that could help transform sunlight into fuel. Go here for more information and to view videos of previous Science at the Theater events: http://www.lbl.gov/LBL-PID/fobl/

Klein, Spencer

2012-01-01T23:59:59.000Z

453

The collision of two-kinks defects  

E-Print Network [OSTI]

We have investigated the head-on collision of a two-kink and a two-antikink pair that arises as a generalization of the $\\phi^4$ model. We have evolved numerically the Klein-Gordon equation with a new spectral algorithm whose accuracy and convergence were attested by the numerical tests. As a general result, the two-kink pair is annihilated radiating away most of the scalar field. It is possible the production of oscillons-like configurations after the collision that bounce and coalesce to form a small amplitude oscillon at the origin. The new feature is the formation of a sequence of quasi-stationary structures that we have identified as lump-like solutions of non-topological nature. The amount of time these structures survives depends on the fine-tuning of the impact velocity.

T. S. Mendona; H. P. de Oliveira

2015-02-13T23:59:59.000Z

454

Dark Energy: Observational Evidence and Theoretical Models  

E-Print Network [OSTI]

The book elucidates the current state of the dark energy problem and presents the results of the authors, who work in this area. It describes the observational evidence for the existence of dark energy, the methods and results of constraining of its parameters, modeling of dark energy by scalar fields, the space-times with extra spatial dimensions, especially Kaluza---Klein models, the braneworld models with a single extra dimension as well as the problems of positive definition of gravitational energy in General Relativity, energy conditions and consequences of their violation in the presence of dark energy. This monograph is intended for science professionals, educators and graduate students, specializing in general relativity, cosmology, field theory and particle physics.

Novosyadlyj, B; Shtanov, Yu; Zhuk, A

2015-01-01T23:59:59.000Z

455

Intersections of S-branes with Waves and Monopoles  

E-Print Network [OSTI]

We construct intersections of S-branes with waves and Kaluza-Klein monopoles. There are several possible ways to add a monopole to an S-brane solution similar to p-branes. On the other hand, one may add a wave only to the transverse space of an S-brane unlike a p-brane where wave resides on its worldvolume. The metric function of the wave is a harmonic function of the remaining transverse directions and an extra condition on integration constants is needed. We also show that it is not possible to add an S-brane to p-brane intersections whose near horizon geometry has an AdS part.

Mert Besken; Nihat Sadik Deger

2015-01-16T23:59:59.000Z

456

Relativistic particle in the rest frame  

E-Print Network [OSTI]

It is shown that for a specific choice of a particular solution of the relativistic wave equation, it falls into the Helmholtz equation and the Klein -Gordon equation. In this case, the squares of the rest masses of the particle with the relativistic dispersion relation are determined by the Helmholtz equation. It is suggested the possibility in principle of classification of the mass spectrum and lifetimes of the particles according to the discrete solutions of the Helmholtz equation in a particular model. In this case, it can be assumed that the lifetime of a particle is determined by the ratio of contributions to the wave function of the Bessel and collapsed Neumann functions. An opportunity to compare real elementary particles rest masses and especially lifetimes with the particles masses and lifetimes considered is discussed.

Vladimir Salomatov

2014-01-24T23:59:59.000Z

457

Majorana and the theoretical problem of photon-electron scattering  

E-Print Network [OSTI]

Relevant contributions by Majorana regarding Compton scattering off free or bound electrons are considered in detail, where a (full quantum) generalization of the Kramers-Heisenberg dispersion formula is derived. The role of intermediate electronic states is appropriately pointed out in recovering the standard Klein-Nishina formula (for free electron scattering) by making recourse to a limpid physical scheme alternative to the (then unknown) Feynman diagram approach. For bound electron scattering, a quantitative description of the broadening of the Compton line was obtained for the first time by introducing a finite mean life for the excited state of the electron system. Finally, a generalization aimed to describe Compton scattering assisted by a non-vanishing applied magnetic field is as well considered, revealing its relevance for present day research.

Di Mauro, M; Naddeo, A

2015-01-01T23:59:59.000Z

458

Exact Solutions for Non-Hermitian Dirac-Pauli Equation in an intensive magnetic field  

E-Print Network [OSTI]

The modified Dirac-Pauli equations, which are introduced by means of ${\\gamma_5}$-mass factorization of the ordinary Klein-Gordon operator, are considered. We also take into account the interaction of fermions with the intensive homogenous magnetic field focusing attention to their (g-2) gyromagnetic factor. The basis of this approach is developing of methods for study of the structure of regions of unbroken $\\cal PT$ symmetry of Non-Hermitian Hamiltonians which be no studied earlier. For that, without the use of perturbation theory in the external field the exact energy spectra are deduced with regard to spin effects of fermions. We also investigate the unique possible of experimental observability the non-Hermitian restrictions in the spectrum of mass consistent with the conjecture Markov about Maximal Mass. This, in principal will may allow to find out the existence of an upper limit value in spectrum masses of elementary particles and confirm or deny the significance of the Planck mass.

Vasily N. Rodionov

2014-06-02T23:59:59.000Z

459

Significant effects of second KK particles on LKP dark matter physics  

E-Print Network [OSTI]

We point out that Kaluza-Klein (KK) dark matter physics is drastically affected by second KK particles. In this work various interesting phenomena caused by the second KK modes are discussed. In particular, we reevaluate the annihilation cross section and thermal relic density of the KK dark matter quantitatively in universal extra dimensions, in which all the standard model particles propagate. In these models, the first KK mode of $B$ boson is a viable dark matter candidate by virtue of KK-parity. We demonstrate that the KK dark matter annihilation cross section can be enhanced, compared with the tree level cross section mediated only by first KK particles. The dark matter mass consistent with the WMAP observation is increased.

Mitsuru Kakizaki; Shigeki Matsumoto; Yoshio Sato; Masato Senami

2005-06-17T23:59:59.000Z

460

Quantum probes of timelike naked singularities in $2+1-$ dimensional power - law spacetimes  

E-Print Network [OSTI]

The formation of naked singularities in $2+1-$ dimensional power - law spacetimes in linear Einstein-Maxwell and Einstein-scalar theories sourced by azimuthally symmetric electric field and a self-interacting real scalar field respectively, are considered in view of quantum mechanics. Quantum test fields obeying the Klein-Gordon and Dirac equations are used to probe the classical timelike naked singularities developed at $r=0$. We show that when the classically singular spacetimes probed with scalar waves, the considered spacetimes remains singular. However, the spinorial wave probe of the singularity in the metric of a self-interacting real scalar field remains quantum regular. The notable outcome in this study is that the quantum regularity/singularity can not be associated with the energy conditions.

O. Gurtug; M. Halilsoy; S. Habib Mazharimousavi

2015-01-29T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
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461

Tachyon Physics with Trapped Ions  

E-Print Network [OSTI]

It has been predicted that particles with imaginary mass, called tachyons, would be able to travel faster than the speed of light. So far, there has not been any experimental evidence for tachyons in either natural or engineered systems. Here, we propose how to experimentally simulate Dirac tachyons with trapped ions. Quantum measurement on a Dirac particle simulated by a trapped ion causes it to have an imaginary mass so that it may travel faster than the effective speed of light. We show that a Dirac tachyon must have spinor-motion entanglement in order to be superluminal. We also show that it exhibits significantly more Klein tunneling than a normal Dirac particle. We provide numerical simulations with realistic ion systems and show that our scheme is feasible with current technology.

Lee, Tony E; Cheng, Xiao-Hang; Lamata, Lucas; Solano, Enrique

2015-01-01T23:59:59.000Z

462

Polarized Deep Inelastic Scattering Off the "Neutron" From Gauge/String Duality  

E-Print Network [OSTI]

We investigate deep inelastic scattering off the polarized "neutron" using gauge/string duality. The "neutron" corresponds to a supergravity mode of the neutral dilatino. Through introducing the Pauli interaction term into the action in $\\textrm{AdS}_{5}$ space, we calculate the polarized deep inelastic structure functions of the "neutron" in supergravity approximation at large t' Hooft coupling $\\lambda$ and finite $x$ with $\\lambda^{-1/2}\\ll xneutron" are power suppressed at the same order as the ones of the "proton." Especially, we find the Burkhardt-Cottingham-like sum rule, which is satisfied in the work by Gao and Xiao, is broken due to the Pauli interaction term. We also illustrate how such a Pauli interaction term can arise naturally from higher dimensional fermion-graviton coupling through the usual Kaluza-Klein reduction.

Jian-Hua Gao; Zong-Gang Mou

2010-05-25T23:59:59.000Z

463

GAMMA-RAY BLAZARS NEAR EQUIPARTITION AND THE ORIGIN OF THE GeV SPECTRAL BREAK IN 3C 454.3  

SciTech Connect (OSTI)

Observations performed with the Fermi-LAT telescope have revealed the presence of a spectral break in the GeV spectrum of flat-spectrum radio quasars (FSRQs) and other low- and intermediate-synchrotron peaked blazars. We propose that this feature can be explained by Compton scattering of broad-line region photons by a non-thermal population of electrons described by a log-parabolic function. We consider in particular a scenario in which the energy densities of particles, magnetic field, and soft photons in the emitting region are close to equipartition. We show that this model can satisfactorily account for the overall spectral energy distribution of the FSRQ 3C 454.3, reproducing the GeV spectral cutoff due to Klein-Nishina effects and a curving electron distribution.

Cerruti, Matteo [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, 02138 Cambridge, MA (United States); Dermer, Charles D. [Space Science Division, Code 7653, U.S. Naval Research Laboratory, Washington, DC 20375 (United States); Lott, Benoit [CENBG, Universite de Bordeaux, CNRS/IN2P3, UMR 7595, Gradignan F-33175 (France); Boisson, Catherine; Zech, Andreas, E-mail: matteo.cerruti@cfa.harvard.edu, E-mail: charles.dermer@nrl.navy.mil [LUTH, Observatoire de Paris, CNRS, Universite Paris Diderot, 5 Place Janssen, F-92190 Meudon (France)

2013-07-01T23:59:59.000Z

464

On the calculation rule of probability of relativistic free particle in quantum mechanics  

E-Print Network [OSTI]

As is well known, in quantum mechanics, the calculation rule of the probability that an eigen-value a_n is observed when the physical quantity A is measured for a state described by the state vector |> is P(a_n)= . However, in Ref.[1], based on strict logical reasoning and mathematical calculation, it has been pointed out, replacing , one should use a new rule to calculate P(a_n) for particle satisfying the Dirac equation. In this paper, we first state some results given by Ref.[1]. And then, we present a proof for the new calculation rule of probability according to Dirac sea of negative energy particles, hole theory and the principle "the vacuum is not observable". Finally, we discuss simply the case of particle satisfying the Klein-Gordon equation.

T. Mei

2008-08-05T23:59:59.000Z

465

Lamb shift and fundamental length of the relativistic Hydrogen atom induced from the non-commutative space-time  

E-Print Network [OSTI]

We present an important contribution to the non-commutative approach to the hydrogen atom to deal with lamb shift corrections. This can be done by studying the Klein-Gordon and Dirac equations in a non-commutative space-time up to first-order of the non-commutativity parameter using the Seiberg-Witten maps. We thus find the non-commutative modification of the energy levels and by comparing with the the current experimental results on the Lamb shift of the 2P level to extract a bound on the parameter of non-commutativity, we show that the fundamental length ($\\sqrt{\\Theta}$) is compatible with the value of the electroweak length scale ($l$). Phenomenologically, this effectively confirms the presence of gravity at this level.

Slimane Zaim

2014-04-08T23:59:59.000Z

466

On Bose-Einstein condensation on closed Robertson-Walker spacetimes  

E-Print Network [OSTI]

In this letter we summarize our analysis of Bose-Einstein condensation on closed Robertson-Walker spacetimes. In a previous work we defined an adiabatic KMS state on the Weyl-algebra of the free massive Klein-Gordon field. This state describes a free Bose gas on Robertson-Walker spacetimes. We use this state to analyze the possibility of Bose-Einstein condensation on closed Robertson-Walker spacetimes. We take into account the effects due to the finiteness of the spatial volume and show that they are not relevant in the early universe. Furthermore we show that a critical radius can be defined. The condensate disappears above the critical radius.

M. Trucks

1998-11-12T23:59:59.000Z

467

Plasma graviton production in TeV-scale gravity  

E-Print Network [OSTI]

We develop the theory of interaction of classical plasma with Kaluza-Klein (KK) gravitons in the ADD model of TeV-scale gravity. Plasma is described within the kinetic approach as the system of charged particles and Maxwell field both confined on the brane. Interaction with multidimensional gravity living in the bulk with $n$ compact extra dimensions is introduced within the linearized theory. The KK gravitons emission rates are computed taking into account plasma collective effects through the two-point correlation functions of the fluctuations of the plasma energy-momentum tensor. Apart from known mechanisms (such as bremsstrahlung and gravi-Primakoff effect) we find essentially collective channels such as the coalescence of plasma waves into gravitons which may be manifest in turbulent plasmas. Our results indicate that commonly used rates of the KK gravitons production in stars and supernovae may be underestimated.

E. Yu. Melkumova

2010-12-14T23:59:59.000Z

468

Construction and physical properties of Kerr black holes with scalar hair  

E-Print Network [OSTI]

Kerr black holes with scalar hair are solutions of the Einstein-Klein-Gordon field equations describing regular (on and outside an event horizon), asymptotically flat black holes with scalar hair (arXiv:1403.2757). These black holes interpolate continuously between the Kerr solution and rotating boson stars in D=4 spacetime dimensions. Here we provide details on their construction, discussing properties of the ansatz, the field equations, the boundary conditions and the numerical strategy. Then, we present an overview of the parameter space of the solutions, and describe in detail the space-time structure of the black holes exterior geometry and of the scalar field for a sample of reference solutions. Phenomenological properties of potential astrophysical interest are also discussed, and the stability properties and possible generalizations are commented on. As supplementary material to this paper we make available numerical data files for the sample of reference solutions discussed, for public use.

Herdeiro, Carlos

2015-01-01T23:59:59.000Z

469

Brick Walls and AdS/CFT  

E-Print Network [OSTI]

We discuss the relationship between the bulk-boundary correspondence in Rehren's algebraic holography (and in other 'fixed-background' approaches to holography) and in mainstream 'Maldacena AdS/CFT'. Especially, we contrast the understanding of black-hole entropy from the viewpoint of QFT in curved spacetime -- in the framework of 't Hooft's 'brick wall' model -- with the understanding based on Maldacena AdS/CFT. We show that the brick-wall modification of a Klein Gordon field in the Hartle-Hawking-Israel state on 1+2-Schwarzschild AdS (BTZ) has a well-defined boundary limit with the same temperature and entropy as the brick-wall-modified bulk theory. One of our main purposes is to point out a close connection, for general AdS/CFT situations, between the puzzle raised by Arnsdorf and Smolin regarding the relationship between Rehren's algebraic holography and mainstream AdS/CFT and the puzzle embodied in the 'correspondence principle' proposed by Mukohyama and Israel in their work on the brick-wall approach to black hole entropy. Working on the assumption that similar results will hold for bulk QFT other than the Klein Gordon field and for Schwarzschild AdS in other dimensions, and recalling the first author's proposed resolution to the Mukohyama-Israel puzzle based on his 'matter-gravity entanglement hypothesis', we argue that, in Maldacena AdS/CFT, the algebra of the boundary CFT is isomorphic only to a proper subalgebra of the bulk algebra, albeit (at non-zero temperature) the (GNS) Hilbert spaces of bulk and boundary theories are still the 'same' -- the total bulk state being pure, while the boundary state is mixed (thermal). We also argue from the finiteness of its boundary (and hence, on our assumptions, also bulk) entropy at finite temperature, that the Rehren dual of the Maldacena boundary CFT cannot itself be a QFT and must, instead, presumably be something like a string theory.

Bernard S. Kay; L. Ortiz

2014-05-22T23:59:59.000Z

470

Non-thermal high-energy emission from colliding winds of massive stars  

E-Print Network [OSTI]

Colliding winds of massive star binary systems are considered as potential sites of non-thermal high-energy photon production. This is motivated merely by the detection of synchrotron radio emission from the expected colliding wind location. Here we investigate the properties of high-energy photon production in colliding winds of long-period WR+OB-systems. We found that in the dominating leptonic radiation process anisotropy and Klein-Nishina effects may yield spectral and variability signatures in the gamma-ray domain at or above the sensitivity of current or upcoming gamma-ray telescopes. Analytical formulae for the steady-state particle spectra are derived assuming diffusive particle acceleration out of a pool of thermal wind particles, and taking into account adiabatic and all relevant radiative losses. For the first time we include their advection/convection in the wind collision zone, and distinguish two regions within this extended region: the acceleration region where spatial diffusion is superior to convective/advective motion, and the convection region defined by the convection time shorter than the diffusion time scale. The calculation of the Inverse Compton radiation uses the full Klein-Nishina cross section, and takes into account the anisotropic nature of the scattering process. This leads to orbital flux variations by up to several orders of magnitude which may, however, be blurred by the geometry of the system. The calculations are applied to the typical WR+OB-systems WR 140 and WR 147 to yield predictions of their expected spectral and temporal characteristica and to evaluate chances to detect high-energy emission with the current and upcoming gamma-ray experiments. (abridged)

A. Reimer; M. Pohl; O. Reimer

2005-10-25T23:59:59.000Z

471

Formulation of spinors in terms of gauge fields  

E-Print Network [OSTI]

It is shown in the present paper that the transformation relating a parallel transported vector in a Weyl space to the original one is the product of a multiplicative gauge transformation and a proper orthochronous Lorentz transformation. Such a Lorentz transformation admits a spinor representation, which is obtained and used to deduce the transportation properties of a Weyl spinor, which are then expressed in terms of a composite gauge group defined as the product of a multiplicative gauge group and the spinor group. These properties render a spinor amenable to its treatment as a particle coupled to a multidimensional gauge field in the framework of the Kaluza-Klein formulation extended to multidimensional gauge fields. In this framework, a fiber bundle is constructed with a horizontal, base space and a vertical, gauge space, which is a Lie group manifold, termed its structure group. For the present, the base is the Minkowski spacetime and the vertical space is the composite gauge group mentioned above. The fiber bundle is equipped with a Riemannian structure, which is used to obtain the classical description of motion of a spinor. In its classical picture, a Weyl spinor is found to behave as a spinning charged particle in translational motion. The corresponding quantum description is deduced from the Klein-Gordon equation in the Riemann spaces obtained by the methods of path-integration. This equation in the present fiber bundle reduces to the equation for a spinor in the Weyl geometry, which is close to but differs somewhat from the squared Dirac equation.

Shiv R. Vatsya

2014-08-05T23:59:59.000Z

472

Explicit mean-field radius for nearly parallel vortex filaments in statistical equilibrium  

E-Print Network [OSTI]

Geophysical research has focused on flows, such as ocean currents, as two dimensional. Two dimensional point or blob vortex models have the advantage of having a Hamiltonian, whereas 3D vortex filament or tube systems do not necessarily have one, although they do have action functionals. On the other hand, certain classes of 3D vortex models called nearly parallel vortex filament models do have a Hamiltonian and are more accurate descriptions of geophysical and atmospheric flows than purely 2D models, especially at smaller scales. In these ``quasi-2D'' models we replace 2D point vortices with vortex filaments that are very straight and nearly parallel but have Brownian variations along their lengths due to local self-induction. When very straight, quasi-2D filaments are expected to have virtually the same planar density distributions as 2D models. An open problem is when quasi-2D model statistics behave differently than those of the related 2D system and how this difference is manifested. In this paper we study the nearly parallel vortex filament model of Klein, Majda, Damodaran in statistical equilibrium. We are able to obtain a free-energy functional for the system in a non-extensive thermodynamic limit that is a function of the mean square vortex position $R^2$ and solve \\emph{explicitly} for $R^2$. Such an explicit formula has never been obtained for a non-2D model. We compare the results of our formula to a 2-D formula of \\cite{Lim:2005} and show qualitatively different behavior even when we disallow vortex braiding. We further confirm our results using Path Integral Monte Carlo (Ceperley (1995)) \\emph{without} permutations and that the Klein, Majda, Damodaran model's asymptotic assumptions \\emph{are valid} for parameters where these deviations occur.

Timothy D. Andersen; Chjan C. Lim

2006-11-19T23:59:59.000Z

473

Surface Tension and the Cosmological Constant  

E-Print Network [OSTI]

The astronomically observed value of the cosmological constant is small but non-zero. This raises two questions together known as the cosmological constant problem a) why is lambda so nearly zero? b) why is lambda not EXACTLY zero? Sorkin has proposed that b) can be naturally explained as a one by square root N fluctuation by invoking discreteness of spacetime at the Planck scale due to quantum gravity. In this paper we shed light on these questions by developing an analogy between the cosmological constant and the surface tension of membranes. The ``cosmological constant problem'' has a natural analogue in the membrane context: the vanishingly small surface tension of fluid membranes provides an example where question a) above arises and is answered. We go on to find a direct analogue of Sorkin's proposal for answering question b) in the membrane context, where the discreteness of spacetime translates into the molecular structure of matter. We propose analogue experiments to probe a small and fluctuating surface tension in fluid membranes. A counterpart of dimensional reduction a la Kaluza-Klein and large extra dimensions also appears in the physics of fluid membranes.

Joseph Samuel; Supurna Sinha

2006-04-18T23:59:59.000Z

474

Local Varying-Alpha Theories  

E-Print Network [OSTI]

In a recent paper we demonstrated how the simplest model for varying alpha may be interpreted as the effect of a dielectric material, generalized to be consistent with Lorentz invariance. Unlike normal dielectrics, such a medium cannot change the speed of light, and its dynamics obey a Klein-Gordon equation. This work immediately suggests an extension of the standard theory, even if we require compliance with Lorentz invariance. Instead of a wave equation, the dynamics may satisfy a local algebraic relation involving the permittivity and the properties of the electromagnetic field, in analogy with more conventional dielectric (but still preserving Lorentz invariance). We develop the formalism for such theories and investigate some phenomenological implications. The problem of the divergence of the classical self-energy can be solved, or at least softened, in this framework. Some interesting new cosmological solutions for the very early universe are found, including the possibility of a bounce, inflation and expansion with a loitering phase, all of which are induced by early variations in alpha.

John D. Barrow; Joao Magueijo

2015-01-30T23:59:59.000Z

475

Localization and quasilocalization of spin-$1/2$ fermion field on two-field thick braneworld  

E-Print Network [OSTI]

Localization of a spin-$1/2$ fermion on the braneworld is an important and interesting problem. It is well known that a five-dimensional free massless fermion $\\Psi$ minimally coupled to gravity cannot be localized on the Randall-Sundrum braneworld. In order to trap such a fermion, the coupling between the fermion and bulk scalar fields should be introduced. In this paper, localization and quasilocalization of a bulk fermion on the thick braneworld generated by two scalar fields (a kink scalar $\\phi$ and a dilaton scalar $\\pi$) are investigated. Two types of couplings between the fermion and two scalars are considered. One coupling is the usual Yukawa coupling $-\\eta\\bar{\\Psi}\\phi\\Psi$ between the fermion and kink scalar, another one is $\\lambda\\bar{\\Psi}\\Gamma^{M}\\partial_{M}\\pi\\gamma^{5}\\Psi$ between the fermion and dilaton scalar. The left-chiral fermion zero mode can be localized on the brane, and both the left- and right-chiral fermion massive Kaluza-Klein modes may be localized or quasilocalized. Hence the four-dimensional massless left-chiral fermion and massive Dirac fermions, whose lifetime is infinite or finite, can be obtained on the brane.

Heng Guo; Qun-Ying Xie; Chun-E. Fu

2014-08-24T23:59:59.000Z

476

On de Broglie's soliton wave function of many particles with finite masses, energies and momenta  

E-Print Network [OSTI]

We consider a mass-less manifestly covariant {\\it linear} Schr\\"odinger equation. First, we show that it possesses a class of non-dispersive soliton solution with finite-size spatio-temporal support inside which the quantum amplitude satisfies the Klein-Gordon equation with finite {\\it emergent} mass. We then proceed to interpret the soliton wave function as describing a particle with finite mass, energy and momentum. Inside the spatio-temporal support, the wave function shows spatio-temporal internal vibration with angular frequency and wave number that are determined by the energy-momentum of the particle as firstly conjectured by de Broglie. Imposing resonance of the internal vibration inside the spatio-temporal support leads to Planck-Einstein quantization of energy-momentum. The first resonance mode is shown to recover the classical energy-momentum relation developed in special relativity. We further show that the linearity of the Schr\\"odinger equation allows one to construct many solitons solution through superposition, each describing a particle with various masses, energies and momenta.

Agung Budiyono

2009-08-19T23:59:59.000Z

477

Quantization of simple parametrized systems  

E-Print Network [OSTI]

I study the canonical formulation and quantization of some simple parametrized systems, including the non-relativistic parametrized particle and the relativistic parametrized particle. Using Dirac's formalism I construct for each case the classical reduced phase space and study the dependence on the gauge fixing used. Two separate features of these systems can make this construction difficult: the actions are not invariant at the boundaries, and the constraints may have disconnected solution spaces. The relativistic particle is affected by both, while the non-relativistic particle displays only by the first. Analyzing the role of canonical transformations in the reduced phase space, I show that a change of gauge fixing is equivalent to a canonical transformation. In the relativistic case, quantization of one branch of the constraint at the time is applied and I analyze the electromagenetic backgrounds in which it is possible to quantize simultaneously both branches and still obtain a covariant unitary quantum theory. To preserve unitarity and space-time covariance, second quantization is needed unless there is no electric field. I motivate a definition of the inner product in all these cases and derive the Klein-Gordon inner product for the relativistic case. I construct phase space path integral representations for amplitudes for the BFV and the Faddeev path integrals, from which the path integrals in coordinate space (Faddeev-Popov and geometric path integrals) are derived.

G. Ruffini

2005-11-16T23:59:59.000Z

478

Thermodynamics of the Near-Extremal NS5-brane  

E-Print Network [OSTI]

We consider the thermodynamics of the near-extremal NS5-brane in type IIA string theory. The central tool we use is to map phases of six-dimensional Kaluza-Klein black holes to phases of near-extremal M5-branes with a transverse circle in eleven-dimensional supergravity. By S-duality these phases correspond to phases of the near-extremal type IIA NS5-brane. One of our main results is that in the canonical ensemble the usual near-extremal NS5-brane background, dual to a uniformly smeared near-extremal M5-brane, is subdominant to a new background of near-extremal M5-branes localized on the transverse circle. This new stable phase has a limiting temperature, which lies above the Hagedorn temperature of the usual NS5-brane phase. We discuss the limiting temperature and compare the different behavior of the NS5-brane in the canonical and microcanonical ensembles. We also briefly comment on the thermodynamics of near-extremal Dp-branes on a transverse circle.

T. Harmark; N. A. Obers

2005-10-25T23:59:59.000Z

479

Deterministic Time-Reversible Thermostats : Chaos, Ergodicity, and the Zeroth Law of Thermodynamics  

E-Print Network [OSTI]

The relative stability and ergodicity of deterministic time-reversible thermostats, both singly and in coupled pairs, are assessed through their Lyapunov spectra. Five types of thermostat are coupled to one another through a single Hooke's-Law harmonic spring. The resulting dynamics shows that three specific thermostat types, Hoover-Holian, Ju-Bulgac, and Martyna-Klein-Tuckerman, have very similar Lyapunov spectra in their equilibrium four-dimensional phase spaces and when coupled in equilibrium or nonequilibrium pairs. All three of these oscillator-based thermostats are shown to be ergodic, with smooth analytic Gaussian distributions in their extended phase spaces ( coordinate, momentum, and two control variables ). Evidently these three ergodic and time-reversible thermostat types are particularly useful as statistical-mechanical thermometers and thermostats. Each of them generates Gibbs' universal canonical distribution internally as well as for systems to which they are coupled. Thus they obey the Zeroth Law of Thermodynamics, as a good heat bath should. They also provide dissipative heat flow with relatively small nonlinearity when two or more such bath temperatures interact and provide useful deterministic replacements for the stochastic Langevin equation.

William Graham Hoover; Julien Clinton Sprott; Puneet Kumar Patra

2015-01-16T23:59:59.000Z

480

Interactions of a Stabilized Radion and Duality  

E-Print Network [OSTI]

We determine the couplings of the graviscalar radion in Randall-Sundrum models to Standard Model fields propagating in the bulk of the space, taking into account effects arising from the dynamics of the Goldberger-Wise scalar that stabilizes the size of the extra dimension. The leading corrections to the radion couplings are shown to arise from direct contact interactions between the Goldberger-Wise scalar and the Standard Model fields. We obtain a detailed interpretation of the results in terms of the holographic dual of the radion, the dilaton. In doing so, we determine how the familiar identification of the parameters on the two sides of the AdS/CFT correspondence is modified in the presence of couplings of the bulk Standard Model fields to the Goldberger-Wise scalar. We find that corrections to the form of the dilaton couplings from effects associated with the stabilization of the extra dimension are suppressed by the square of the ratio of the dilaton mass to the Kaluza-Klein scale, in good agreement with results from the CFT side of the correspondence.

Zackaria Chacko; Rashmish K. Mishra; Daniel Stolarski; Christopher B. Verhaaren

2014-11-13T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Higgs-radion similarity in production processes involving off-shell fermions  

E-Print Network [OSTI]

The appearance of the radion field, which is associated with the spin-0 metric fluctuations combined in some manner with the scalar stabilizing field, and of the radion, the corresponding lowest Kaluza-Klein (KK) mode, is a generic prediction of stabilized brane world models. In such models the radion plays the role of the dilaton, and its mass may be somewhat smaller than that of all the KK modes of other particles propagating in the multidimensional bulk. Due to its origin, the radion couples to the trace of the energy-momentum tensor of the Standard Model, the interaction Lagrangian of the radion and the Standard Model fermions being similar to that of the SM Higgs-fermion interactions except for additional terms, which come into play only in the case of off-shell fermions. In the present paper it is shown that all the contributions to perturbative amplitudes of physical processes due to these additional terms are canceled out for both massless and massive off-shell fermions. Thus the additional fermion-radion terms in the interaction Lagrangian do not alter any production and decay properties of the radion compared to those of the Higgs boson.

E. Boos; S. Keizerov; E. Rahmetov; K. Svirina

2014-09-09T23:59:59.000Z

482

Hawking radiation and the boomerang behavior of massive modes near a horizon  

SciTech Connect (OSTI)

We discuss the behavior of massive modes near a horizon based on a study of the dispersion relation and wave packet simulations of the Klein-Gordon equation. We point out an apparent paradox between two (in principle equivalent) pictures of black-hole evaporation through Hawking radiation. In the picture in which the evaporation is due to the emission of positive-energy modes, one immediately obtains a threshold for the emission of massive particles. In the picture in which the evaporation is due to the absorption of negative-energy modes, such a threshold apparently does not exist. We resolve this paradox by tracing the evolution of the positive-energy massive modes with an energy below the threshold. These are seen to be emitted and move away from the black-hole horizon, but they bounce back at a 'red horizon' and are reabsorbed by the black hole, thus compensating exactly for the difference between the two pictures. For astrophysical black holes, the consequences are curious but do not affect the terrestrial constraints on observing Hawking radiation. For analogue-gravity systems with massive modes, however, the consequences are crucial and rather surprising.

Jannes, G. [Universite de Nice Sophia Antipolis, Laboratoire J.-A. Dieudonne, UMR CNRS-UNS 6621, Parc Valrose, 06108 Nice Cedex 02 (France); Low Temperature Laboratory, Aalto University School of Science, PO Box 15100, 00076 Aalto (Finland); Maiessa, P.; Rousseaux, G. [Universite de Nice Sophia Antipolis, Laboratoire J.-A. Dieudonne, UMR CNRS-UNS 6621, Parc Valrose, 06108 Nice Cedex 02 (France); Philbin, T. G. [School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, Scotland (United Kingdom)

2011-05-15T23:59:59.000Z

483

Manifestations of topological effects in graphene  

E-Print Network [OSTI]

Graphene is a monoatomic layer of graphite with Carbon atoms arranged in a two dimensional honeycomb lattice configuration. It has been known for more than sixty years that the electronic structure of graphene can be modelled by two-dimensional massless relativistic fermions. This property gives rise to numerous applications, both in applied sciences and in theoretical physics. Electronic circuits made out of graphene could take advantage of its high electron mobility that is witnessed even at room temperature. In the theoretical domain the Dirac-like behavior of graphene can simulate high energy effects, such as the relativistic Klein paradox. Even more surprisingly, topological effects can be encoded in graphene such as the generation of vortices, charge fractionalization and the emergence of anyons. The impact of the topological effects on graphene's electronic properties can be elegantly described by the Atiyah-Singer index theorem. Here we present a pedagogical encounter of this theorem and review its various applications to graphene. A direct consequence of the index theorem is charge fractionalization that is usually known from the fractional quantum Hall effect. The charge fractionalization gives rise to the exciting possibility of realizing graphene based anyons that unlike bosons or fermions exhibit fractional statistics. Besides being of theoretical interest, anyons are a strong candidate for performing error free quantum information processing.

Jiannis K. Pachos

2008-12-05T23:59:59.000Z

484

Gravitational collapse of charged scalar fields  

E-Print Network [OSTI]

In order to study the gravitational collapse of charged matter we analyze the simple model of an self-gravitating massless scalar field coupled to the electromagnetic field in spherical symmetry. The evolution equations for the Maxwell-Klein-Gordon sector are derived in the 3+1 formalism, and coupled to gravity by means of the stress-energy tensor of these fields. To solve consistently the full system we employ a generalized Baumgarte-Shapiro-Shibata-Nakamura (BSSN) formulation of General Relativity that is adapted to spherical symmetry. We consider two sets of initial data that represent a time symmetric spherical thick shell of charged scalar field, and differ by the fact that one set has zero global electrical charge while the other has non-zero global charge. For compact enough initial shells we find that the configuration doesn't disperse and approaches a final state corresponding to a sub-extremal Reissner-N\\"ordstrom black hole with $|Q|

Jose M. Torres; Miguel Alcubierre

2014-07-29T23:59:59.000Z

485

Quantum fields in toroidal topology  

SciTech Connect (OSTI)

The standard representation of c*-algebra is used to describe fields in compactified space-time dimensions characterized by topologies of the type {Gamma}{sub D}{sup d}=(S{sup 1}){sup d}xM{sup D-d}. The modular operator is generalized to introduce representations of isometry groups. The Poincare symmetry is analyzed and then we construct the modular representation by using linear transformations in the field modes, similar to the Bogoliubov transformation. This provides a mechanism for compactification of the Minkowski space-time, which follows as a generalization of the Fourier integral representation of the propagator at finite temperature. An important result is that the 2x2 representation of the real-time formalism is not needed. The end result on calculating observables is described as a condensate in the ground state. We initially analyze the free Klein-Gordon and Dirac fields, and then formulate non-abelian gauge theories in {Gamma}{sub D}{sup d}. Using the S-matrix, the decay of particles is calculated in order to show the effect of the compactification. - Highlights: > C*-algebra is used to describe fields in compactified space-time dimensions. > The space-time is characterized by toroidal topologies. > Representations of the Poincare group are studied by using the modular operator. > We derive non-abelian gauge theories in compactified regions of space-time. > We show the compactification effect in the decay of particles using the S-matrix.

Khanna, F.C., E-mail: fkhanna@ualberta.ca [Theoretical Physics Institute, University of Alberta, Edmonton, AB, T6G 2J1 (Canada); TRIUMF, Vancouver, BC, V6T 2A3 (Canada); Malbouisson, A.P.C., E-mail: adolfo@cbpf.br [Centro Brasileiro de Pesquisas Fisicas/MCT, 22290-180, Rio de Janeiro, RJ (Brazil); Malbouisson, J.M.C., E-mail: jmalboui@ufba.br [Instituto de Fisica, Universidade Federal da Bahia, 40210-340, Salvador, BA (Brazil); Santana, A.E., E-mail: asantana@unb.br [Theoretical Physics Institute, University of Alberta, Edmonton, AB, T6G 2J1 (Canada); Instituto de Fisica, International Center for Condensed Matter Physics, Universidade de Brasilia, 70910-900, Brasilia, DF (Brazil)

2011-10-15T23:59:59.000Z

486

Quiet Sun X-rays as Signature for New Particles  

E-Print Network [OSTI]

We have studied published data from the Yohkoh solar X-ray mission, with the purpose of searching for signals from radiative decays of new, as yet undiscovered massive neutral particles. This search is based on the prediction that solar axions of the Kaluza-Klein type should result in the emission of X-rays from the Sun direction beyond the limb with a characteristic radial distribution. These X-rays should be observed more easily during periods of quiet Sun. An additional signature is the observed emission of hard X-rays by SMM, NEAR and RHESSI. The recent observation made by RHESSI of a continuous emission from the non-flaring Sun of X-rays in the 3 to ~15 keV range fits the generic axion scenario. This work also suggests new analyses of existing data, in order to exclude instrumental effects; it provides the rationale for targeted observations with present and upcoming (solar) X-ray telescopes, which can provide the final answer on the nature of the signals considered here. Such measurements become more promising during the forthcoming solar cycle minimum with an increased number of quiet Sun periods.

K. Zioutas; K. Dennerl; L. DiLella; D. H. H. Hoffmann; J. Jacoby; Th. Papaevangelou

2004-03-08T23:59:59.000Z

487

Integrable viscous conservation laws  

E-Print Network [OSTI]

We propose an extension of the Dubrovin-Zhang perturbative approach to the study of normal forms for non-Hamiltonian integrable scalar conservation laws. The explicit computation of the first few corrections leads to the conjecture that such normal forms are parameterized by one single functional parameter, named viscous central invariant. A constant valued viscous central invariant corresponds to the well-known Burgers hierarchy. The case of a linear viscous central invariant provides a viscous analog of the Camassa-Holm equation, that formerly appeared as a reduction of a two-component Hamiltonian integrable systems. We write explicitly the negative and positive hierarchy associated with this equation and prove the integrability showing that they can be mapped respectively into the heat hierarchy and its negative counterpart, named the Klein-Gordon hierarchy. A local well-posedness theorem for periodic initial data is also proven. We show how transport equations can be used to effectively construct asymptotic solutions via an extension of the quasi-Miura map that preserves the initial datum. The method is alternative to the method of the string equation for Hamiltonian conservation laws and naturally extends to the viscous case. Using these tools we derive the viscous analog of the Painlev\\'e I2 equation that describes the universal behaviour of the solution at the critical point of gradient catastrophe.

Alessandro Arsie; Paolo Lorenzoni; Antonio Moro

2014-06-25T23:59:59.000Z

488

CAST: An Inspiring Axion Helioscope ala Sikivie  

SciTech Connect (OSTI)

CAST is a data taking axion helioscope using a recycled LHC test magnet, CERN's detector technology and cryogenics expertise. An imaging X-ray telescope improves substantially the detection sensitivity and axion-ID. Massive axion-like particles of the Kaluza-Klein type were first introduced to explain the paradox of the hot corona, which is even hotter at locations overlying magnetic spots. This is suggesting that the CAST detection principle might be at work there, but being somehow modified and performing better. Remarkably, the density profile of the Sun allows for resonance crossing (m{sub axion}c{sup 2{approx_equal}}h{omega}{sub plasma}), which axion helioscopes are aiming to reach. The restless Sun favours this occasionally even further. Then, such processes can give rise to a chimera of converted axions or the like, making the Sun appear, within known physics, as mysterious and unpredictable as it is. CAST axion limits were used to conclude also for the hidden sector paraphotons. This is then suggestive for novel helioscopes for exotica like paraphotons, chameleons, etc. Pierre Sikivie's pioneering idea was to use a magnetic field as a catalyst to transform particles from the dark sector to ours, and vice versa.

Zioutas, K.; Anastassopoulos, V. [University of Patras, Patras (Greece); Tsagri, M. [University of Patras, Patras (Greece); CERN, 1211 Geneve 23 (Switzerland); Semertzidis, Y. [Brookhaven National Laboratory, Upton, NY (United States); Papaevangelou, T. [IRFU, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette (France)

2010-08-30T23:59:59.000Z

489

Long term variability of Cygnus X-1: VII. Orbital variability of the focussed wind in Cyg X-1 / HDE 226868 system  

E-Print Network [OSTI]

Binary systems with an accreting compact object are a unique chance to investigate the strong, clumpy, line-driven winds of early type supergiants by using the compact object's X-rays to probe the wind structure. We analyze the two-component wind of HDE 226868, the O9.7Iab giant companion of the black hole Cyg X-1 using 4.77 Ms of RXTE observations of the system taken over the course of 16 years. Absorption changes strongly over the 5.6 d binary orbit, but also shows a large scatter at a given orbital phase, especially at superior conjunction. The orbital variability is most prominent when the black hole is in the hard X-ray state. Our data are poorer for the intermediate and soft state, but show signs for orbital variability of the absorption column in the intermediate state. We quantitatively compare the data in the hard state to a toy model of a focussed Castor-Abbott-Klein-wind: as it does not incorporate clumping, the model does not describe the observations well. A qualitative comparison to a simplified...

Grinberg, V; Hell, N; Pottschmidt, K; Bck, M; Garca, J A; Hanke, M; Nowak, M A; Sundqvist, J O; Townsend, R H D; Wilms, J

2015-01-01T23:59:59.000Z

490

Analogue model for quantum gravity phenomenology  

E-Print Network [OSTI]

So called "analogue models" use condensed matter systems (typically hydrodynamic) to set up an "effective metric" and to model curved-space quantum field theory in a physical system where all the microscopic degrees of freedom are well understood. Known analogue models typically lead to massless minimally coupled scalar fields. We present an extended "analogue space-time" programme by investigating a condensed-matter system - in and beyond the hydrodynamic limit - that is in principle capable of simulating the massive Klein-Gordon equation in curved spacetime. Since many elementary particles have mass, this is an essential step in building realistic analogue models, and an essential first step towards simulating quantum gravity phenomenology. Specifically, we consider the class of two-component BECs subject to laser-induced transitions between the components, and we show that this model is an example for Lorentz invariance violation due to ultraviolet physics. Furthermore our model suggests constraints on quantum gravity phenomenology in terms of the "naturalness problem" and "universality issue".

Silke Weinfurtner; Stefano Liberati; Matt Visser

2005-11-18T23:59:59.000Z

491

The Casimir effect from the point of view of algebraic quantum field theory  

E-Print Network [OSTI]

We consider a region of Minkowski spacetime bounded either by one or by two parallel, infinitely extended plates orthogonal to a spatial direction and a real Klein-Gordon field satisfying Dirichlet boundary conditions. We quantize these two systems within the algebraic approach to quantum field theory using the so-called functional formalism. As a first step we construct a suitable unital *-algebra of observables whose generating functionals are characterized by a labeling space which is at the same time optimal and separating. Subsequently we give a definition for these systems of Hadamard states and we investigate explicit examples. In the case of a single plate, it turns out that one can build algebraic states via a pull-back of those on the whole Minkowski spacetime, moreover inheriting from them the Hadamard property. When we consider instead two plates, algebraic states can be put in correspondence with those on flat spacetime via the so-called method of images, which we translate to the algebraic setting. For a massless scalar field we show that this procedure works perfectly for a large class of quasi-free states including the Poincar\\'e vacuum and KMS states. Eventually we use our results in both systems to introduce the notion of Wick polynomials, showing that a global extended algebra does not exist. Furthermore we construct explicitly the two-point function and the regularized energy density, showing, moreover, that the outcome is consistent with the standard results of the Casimir effect.

Claudio Dappiaggi; Gabriele Nosari; Nicola Pinamonti

2014-12-03T23:59:59.000Z

492

Localization and mass spectra of fermions on symmetric and asymmetric thick branes  

SciTech Connect (OSTI)

A three-parameter (positive odd integer s, thickness factor {lambda}, and asymmetry factor a) family of asymmetric thick brane solutions in five dimensions were constructed from a two-parameter (s and {lambda}) family of symmetric ones in by R. Guerrero, R. O. Rodriguez, and R. Torrealba in [Phys. Rev. D 72, 124012 (2005).]. The values s=1 and s{>=}3 correspond to single branes and double branes, respectively. These branes have very rich inner structure. In this paper, by presenting the mass-independent potentials of Kaluza-Klein (KK) modes in the corresponding Schroedinger equations, we investigate the localization and mass spectra of fermions on the symmetric and asymmetric thick branes in an anti-de Sitter background. In order to analyze the effect of gravity-fermion interaction (i.e., the effect of the inner structure of the branes) and scalar-fermion interaction to the spectrum of fermion KK modes, we consider three kinds of typical kink-fermion couplings. The spectra of left chiral fermions for these couplings consist of a bound zero mode and a series of gapless continuous massive KK modes, some discrete bound KK modes including zero mode (exist mass gaps), and a series of continuous massive KK modes, infinite discrete bound KK modes, respectively. The structures of the spectra are investigated in detail.

Liu Yuxiao; Fu, C.-E; Zhao Li; Duan Yishi [Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000 (China)

2009-09-15T23:59:59.000Z

493

TeV Scale Strings and Scattering Amplitudes at the LHC  

E-Print Network [OSTI]

We study aspects of TeV string scale models of intersecting D-branes. The gauge bosons arise from strings ending on stacks of D-branes, whereas chiral matter arises from strings stretched between intersecting D-branes. Our focus is on scattering amplitudes (at tree-level), Regge states (string excitations), and collider phenomenology. Achieving a low string scale is possible in models of Large extra dimensions. At the LHC, a low enough string scale implies that cross sections will deviate from their standard model predictions. Moreover, Regge states as well as Kaluza-Klein states and winding states may be produced. In a large class of intersecting D-brane models, the quark-gluon amplitudes with at most 2 quarks turn out to be independent of the geometry of the extra dimensions. Therefore these type of amplitudes, which we call "universal amplitudes", are model independent. The universal amplitudes involve exchanges of Regge states only, whereas amplitudes with more then 2 quarks also involve exchanges of KK and winding states. The main computational part is concerned with suggesting methods to calculate the decay widths of the Regge states, and with the formalism for treating amplitudes containing exchanges of higher spin particles. Also included is a large review part.

Dean Carmi

2014-11-07T23:59:59.000Z

494

Transition From Quantum To Classical Mechanics As Information Localization  

E-Print Network [OSTI]

Quantum parallelism implies a spread of information over the space in contradistinction to the classical mechanical situation where the information is "centered" on a fixed trajectory of a classical particle. This means that a quantum state becomes specified by more indefinite data. The above spread resembles, without being an exact analogy, a transfer of energy to smaller and smaller scales observed in the hydrodynamical turbulence. There, in spite of the presence of dissipation (in a form of kinematic viscosity), energy is still conserved. The analogy with the information spread in classical to quantum transition means that in this process the information is also conserved. To illustrate that, we show (using as an example a specific case of a coherent quantum oscillator) how the Shannon information density continuously changes in the above transition . In a more general scheme of things, such an analogy allows us to introduce a "dissipative" term (connected with the information spread) in the Hamilton-Jacobi equation and arrive in an elementary fashion at the equations of classical quantum mechanics (ranging from the Schr\\"{o}dinger to Klein-Gordon equations). We also show that the principle of least action in quantum mechanics is actually the requirement for the energy to be bounded from below.

A. Granik

2005-03-18T23:59:59.000Z

495

Radiative acceleration and transient, radiation-induced electric fields  

E-Print Network [OSTI]

The radiative acceleration of particles and the electrostatic potential fields that arise in low density plasmas hit by radiation produced by a transient, compact source are investigated. We calculate the dynamical evolution and asymptotic energy of the charged particles accelerated by the photons and the radiation-induced electric double layer in the full relativistic, Klein-Nishina regime. For fluxes in excess of $10^{27}$ ${\\rm erg} {\\rm cm}^{-2} {\\rm s}^{-1}$, the radiative force on a diluted plasma ($n\\la 10^{11}$ cm$^{-3}$) is so strong that electrons are accelerated rapidly to relativistic speeds while ions lag behind owing to their larger inertia. The ions are later effectively accelerated by the strong radiation-induced double layer electric field up to Lorentz factors $\\approx 100$, attainable in the case of negligible Compton drag. The asymptotic energies achieved by both ions and electrons are larger by a factor 2--4 with respect to what one could naively expect assuming that the electron-ion assembly is a rigidly coupled system. The regime we investigate may be relevant within the framework of giant flares from soft gamma-repeaters.

L. Zampieri; R. Turolla; L. Foschini; A. Treves

2003-04-14T23:59:59.000Z

496

Generalized mutual informations of quantum critical chains  

E-Print Network [OSTI]

We study the R\\'enyi mutual information $\\tilde{I}_n$ of the ground state of different critical quantum chains. The R\\'enyi mutual information definition that we use is based on the well established concept of the R\\'enyi divergence. We calculate this quantity numerically for several distinct quantum chains having either discrete $Z(Q)$ symmetries (Q-state Potts model with $Q=2,3,4$ and $Z(Q)$ parafermionic models with $Q=5,6,7,8$ and also Ashkin-Teller model with different anisotropies) or the $U(1)$ continuous symmetries(Klein-Gordon field theory, XXZ and spin-1 Fateev-Zamolodchikov quantum chains with different anisotropies). For the spin chains these calculations were done by expressing the ground-state wavefunctions in two special basis. Our results indicate some general behavior for particular ranges of values of the parameter $n$ that defines $\\tilde{I}_n$. For a system, with total size $L$ and subsystem sizes $\\ell$ and $L-\\ell$, the$\\tilde{I}_n$ has a logarithmic leading behavior given by $\\frac{\\til...

Alcaraz, F C

2015-01-01T23:59:59.000Z

497

The Casimir force on a piston in the spacetime with extra compactified dimensions  

E-Print Network [OSTI]

A one-dimensional Casimir piston for massless scalar fields obeying Dirichlet boundary conditions in high-dimensional spacetimes within the frame of Kaluza-Klein theory is analyzed. We derive and calculate the exact expression for the Casimir force on the piston. We also compute the Casimir force in the limit that one outer plate is moved to the extremely distant place to show that the reduced force is associated with the properties of additional spatial dimensions. The more dimensionality the spacetime has, the stronger the extra-dimension influence is. The Casimir force for the piston in the model excluding one plate under the background with extra compactified dimensions always keeps attractive. Further we find that when the limit is taken the Casimir force between one plate and the piston will change to be the same form as the corresponding force for the standard system consisting of two parallel plates in the four-dimensional spacetimes if the ratio of the plate-piston distance and extra dimensions size is large enough.

Hongbo Cheng

2008-01-18T23:59:59.000Z

498

Higgs Boson Mass and Electroweak-Gravity Hierarchy from Dynamical Gauge-Higgs Unification in the Warped Spacetime  

E-Print Network [OSTI]

Dynamical electroweak symmetry breaking by the Hosotani mechanism in the Randall-Sundrum warped spacetime is examined, relations among the W-boson mass (m_W), the Kaluza-Klein mass scale (M_{KK}), and the Higgs boson mass (m_H) being derived. It is shown that M_{KK}/m_W = (2 pi kR)^{1/2} (pi/theta_W) and m_H /m_W = 0.058 kR (pi/theta_W), where k^2, R, and theta_W are the curvature and size of the extra-dimensional space and the Wilson line phase determined dynamically. For typical values kR = 12 and theta_W = (0.2 to 0.4) pi, one finds that M_{KK} = (1.7 to 3.5) TeV, k = (1.3 to 2.6) x 10^{19} GeV, and m_H = (140 to 280) GeV.

Yutaka Hosotani; Mitsuru Mabe

2005-04-14T23:59:59.000Z

499

Exploring Cartan gravity with dynamical symmetry breaking  

E-Print Network [OSTI]

It has been known for some time that General Relativity can be regarded as a Yang-Mills-type gauge theory in a symmetry broken phase. In this picture the gravity sector is described by an $SO(1,4)$ or $SO(2,3)$ gauge field $A^{a}_{\\phantom{a}b\\mu}$ and Higgs field $V^{a}$ which acts to break the symmetry down to that of the Lorentz group $SO(1,3)$. This symmetry breaking mirrors that of electroweak theory. However, a notable difference is that while the Higgs field $\\Phi$ of electroweak theory is taken as a genuine dynamical field satisfying a Klein-Gordon equation, the gauge independent norm $V^2\\equiv \\eta_{ab}V^{a}V^{b}$ of the Higgs-type field $V^a$ is typically regarded as non-dynamical. Instead, in many treatments $V^a$ does not appear explicitly in the formalism or is required to satisfy $V^2 = \\mathrm{const.} \

H. F. Westman; T. G. Zlosnik

2014-03-24T23:59:59.000Z

500

Black holes as self-sustained quantum states, and Hawking radiation  

E-Print Network [OSTI]

We employ the recently proposed formalism of the "horizon wave-function" to investigate the emergence of a horizon in models of black holes as Bose-Einstein condensates of gravitons. We start from the Klein-Gordon equation for a massless scalar (toy graviton) field coupled to a static matter current. The (spherically symmetric) classical field reproduces the Newtonian potential generated by the matter source, and the corresponding quantum state is given by a coherent superposition of scalar modes with continuous occupation number. Assuming an attractive self-interaction that allows for bound states, one finds that (approximately) only one mode is allowed, and the system can be confined in a region of the size of the Schwarzschild radius. This radius is then shown to correspond to a proper horizon, by means of the horizon wave-function of the quantum system, with an uncertainty in size naturally related to the expected typical energy of Hawking modes. In particular, this uncertainty decreases for larger black hole mass (with larger number of light scalar quanta), in agreement with semiclassical expectations, a result which does not hold for a single very massive particle. We finally speculate that a phase transition should occur during the gravitational collapse of a star, ideally represented by a static matter current and Newtonian potential, that leads to a black hole, again ideally represented by the condensate of toy gravitons, and suggest an effective order parameter that could be used to investigate this transition.

Roberto Casadio; Andrea Giugno; Octavian Micu; Alessio Orlandi

2014-10-06T23:59:59.000Z