NREL: Energy Analysis - Maureen Hand
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureen Hand Photo of
IMAGING WITH DIFFUSE PHOTON DENSITY WAVES Maureen A. O'Leary
IMAGING WITH DIFFUSE PHOTON DENSITY WAVES Maureen A. O'Leary A DISSERTATION in PHYSICS Presented Chairperson #12;COPYRIGHT Maureen Ann O'Leary 1996 #12;DEDICATION This work is dedicated to Mom, Dad, Terry v without David's support. #12;ABSTRACT IMAGING WITH DIFFUSE PHOTON DENSITY WAVES Maureen A. O'Leary
PSYCHOLOGY (Ph.D.) Executive Officer: Professor Maureen O'Connor
Dennehy, John
Abramov n Karen Ackroff n Robert R. Alfano n Maureen A. Allwood n Alicia M. Alvero n Asohan Amarasingham n Katz n Irwin Katz n Simon P. Kelly n Benjamin Kest n Ali Khadivi n Susan Klitzman n Alan Kluger n Joan M. Lucariello n Victoria N. Luine n Wendy L. Luttrell n Karen S. Lyness n Jennifer A. Mangels n
Graphene tests of Klein phenomena
Stefano De Leo; Pietro Rotelli
2012-02-07T23:59:59.000Z
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.
Generalized Klein-Nishina formula
Krajewska, K; Kami?ski, J Z
2015-01-01T23:59:59.000Z
The generalized Klein-Nishina formula for Compton scattering of charged particles by a finite train of pulses is derived in the framework of quantum electrodynamics. The formula also applies to classical Thomson scattering provided that frequencies of generated radiation are smaller that the cut-off frequency. The validity of the formula for incident pulses of different durations is illustrated by numerical examples. The positions of the well-resolved Compton peaks, with the clear labeling by integer orders, opens up the possibility of the precise diagnostics of properties of relativistically intense, short laser pulses. This includes their peak intensity, the carrier-envelope phase, and their polarization properties.
Generalized Klein-Nishina formula
K. Krajewska; F. Cajiao Vélez; J. Z. Kami?ski
2015-03-23T23:59:59.000Z
The generalized Klein-Nishina formula for Compton scattering of charged particles by a finite train of pulses is derived in the framework of quantum electrodynamics. The formula also applies to classical Thomson scattering provided that frequencies of generated radiation are smaller that the cut-off frequency. The validity of the formula for incident pulses of different durations is illustrated by numerical examples. The positions of the well-resolved Compton peaks, with the clear labeling by integer orders, opens up the possibility of the precise diagnostics of properties of relativistically intense, short laser pulses. This includes their peak intensity, the carrier-envelope phase, and their polarization properties.
Department of Physics KALUZA-KLEIN THEORY
?umer, Slobodan
#12; #12; #12; Department of Physics Seminar 4 KALUZA-KLEIN THEORY Author: Anze Zaloznik to find the theory which would unify all the known interactions under a fundamental law for a long time. One of the first attempts was the Kaluza-Klein theory which uses the postu- lation of extra space
Excitation of Kaluza-Klein gravitational mode
Kunihito Uzawa; Yoshiyuki Morisawa; Shinji Mukohyama
2000-04-10T23:59:59.000Z
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.
QFT Treatment of the Klein Paradox
C. Xu; Y. J. Li
2015-03-31T23:59:59.000Z
It is well known that, Klein paradox is one of the most exotic and counterintuitive consequences of quantum theory. Nevertheless, many discussions about the Klein paradox are based upon single-particle Dirac equation in quantum mechanics rather than quantum field method. By using the path integral formalism, we evaluate the reflection and transmission coefficients up to the lowest order for the electron scattering by the finite square barrier potential. Within the context of assuming the step potential is the limiting case of the finite square barrier potential, we explain the Klein paradox that is caused by the ill-definition of the step potential.
Evidence Against Klein Paradox in Graphene
Daniela Dragoman
2008-02-23T23:59:59.000Z
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.
Inflationary universe in Kaluza-Klein theories
A. S. Majumdar
1999-05-13T23:59:59.000Z
We describe extended inflation and its typical problems. We then briefly review essential features of Kaluza-Klein theory, and show that it leads to a scenario of inflationary cosmology in four dimensions. The problem of stable compactification of extra spatial dimensions is discussed. The requirements for successful extended inflation lead to constraints on the parameters of higher dimensional models.
Robertson, Randy
2007-01-01T23:59:59.000Z
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...
Clerc, Maureen
THE FAST MULTIPOLE METHOD FOR THE DIRECT E/MEG PROBLEM Maureen Clerc 1;2 , Renaud Keriven 1 directly. We propose to accelerate the computations via the fast multipole method. This method approximates the electromagnetic interaction between surface elements by performing multipole expanÂ sions at a coarse resolution
Generalized Klein-Gordon equations in d dimensions from supersymmetry
Bollini, C.G.; Giambiagi, J.J.
1985-12-15T23:59:59.000Z
The Wess-Zumino model is extended to higher dimensions, leading to a generalized Klein-Gordon equation whose propagator is computed in configuration space.
Klein backscattering and Fabry-Perot resonances in graphene
Gabrieli, John
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
Kaluza-Klein relics from warped reheating
Berndsen, Aaron; Cline, James M.; Stoica, Horace [Physics Department, McGill University, 3600 University Street, Montreal, Quebec, H3A 2T8 (Canada); Blackett Laboratory, Imperial College, London SW7 2AZ (United Kingdom)
2008-06-15T23:59:59.000Z
It has been suggested that after brane-antibrane inflation in a Klebanov-Strassler (KS) warped throat, metastable Kaluza-Klein excitations can be formed due to nearly-conserved angular momenta along isometric directions in the throat. If sufficiently long lived, these relics could conflict with big bang nucleosynthesis or baryogenesis by dominating the energy density of the Universe. We make a detailed estimate of the decay rate of such relics using the low-energy effective action of type IIB string theory compactified on the throat geometry, with attention to powers of the warp factor. We find that it is necessary to turn on supersymmetry (SUSY)-breaking deformations of the KS background in order to ensure that the most dangerous relics will decay fast enough. The decay rate is found to be much larger than the naive guess based on the dimension of the operators which break the angular isometries of the throat. For an inflationary warp factor of order w{approx}10{sup -4}, we obtain the bound M{sub 3/2} > or approx. 10{sup 9} GeV on the scale of SUSY breaking to avoid cosmological problems from the relics, which is satisfied in the Kachru, Kallosh, Linde, and Trivedi construction assumed to stabilize the compactification. Given the requirement that the relics decay before nucleosynthesis or baryogenesis, we place bounds on the mass of the relic as a function of the warp factor in the throat for more general warped backgrounds.
Scalar fields and dynamical torsion in Kaluza-Klein theories
Volovich, I.V.; Katanaev, M.O.
1986-07-01T23:59:59.000Z
It is shown that the generalization of Kaluza-Klein theories to take into account dynamical torsion makes it possible to obtain after reduction to four-dimensional space-time not only gauge fields interacting with the metric but also scalar fields with Lagrangian of Yang-Mills -Higgs type. It is shown that in four-dimensional space-time with Minkowski metric torsion is manifested as a universal pseudovector field irrespective of the Kaluza-Klein theories. Chiral interaction of fermions can be interpreted as interaction with a torsion field. The connection between torsion and anomalies is discussed. Torsion in three-dimensional space-time is also considered.
Exercice session Cargse, October 2008 Klein tunneling in graphene
Paris-Sud 11, Université de
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
Extra force in Kaluza-Klein gravity theory
W. B. Belayev
2007-06-18T23:59:59.000Z
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.
Kaluza-Klein Cosmology With Modified Holographic Dark Energy
M. Sharif; Farida Khanum
2011-06-13T23:59:59.000Z
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.
Charge confinement and Klein tunneling from doping graphene
C. Popovici; O. Oliveira; W. de Paula; T. Frederico
2012-02-14T23:59:59.000Z
In the present work, we investigate how structural defects in graphene can change its transport properties. In particular, we show that breaking of the sublattice symmetry in a graphene monolayer overcomes the Klein effect, leading to confined states of massless Dirac fermions. Experimentally, this corresponds to chemical bonding of foreign atoms to carbon atoms, which attach themselves to preferential positions on one of the two sublattices. In addition, we consider the scattering off a tensor barrier, which describes the rotation of the honeycomb cells of a given region around an axis perpendicular to the graphene layer. We demonstrate that in this case the intervalley mixing between the Dirac points emerges, and that Klein tunneling occurs.
Cosmological models in the nonsymmetric Kaluza-Klein Theory
M. W. Kalinowski
2003-12-30T23:59:59.000Z
We consider a dynamics of Higgs' field in the framework of cosmological models involving the scalar field from Nonsymmetric Kaluza-Klein (Jordan-Thiry) Theory. The field plays here a role of a quintessence field. We consider phase transition in cosmological models of the second and of the first order due to evolution of Higgs' field. We developed inflationary models including calculation of an amount of inflation. We match some cosmological models, calculating a Hubble parameter and an age of the Universe.
1-D Dirac Equation, Klein Paradox and Graphene
S. P. Bowen
2008-07-23T23:59:59.000Z
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.
Kaluza-Klein description of geometric phases in graphene
K. Bakke; A. Yu. Petrov; C. Furtado
2012-09-03T23:59:59.000Z
In this paper, we use the Kaluza-Klein approach to describe topological defects in a graphene layer. Using this approach, we propose a geometric model allowing to discuss the quantum flux in $K$-spin subspace. Within this model, the graphene layer with a topological defect is described by a four-dimensional metric, where the deformation produced by the topological defect is introduced via the three-dimensional part of metric tensor, while an Abelian gauge field is introduced via an extra dimension. We use this new geometric model to discuss the arising of topological quantum phases in a graphene layer with a topological defect.
Surface Gas Sampling (Klein, 2007) | Open Energy Information
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Dynamics of Matter in a Compactified Kaluza-Klein Model
Valentino Lacquaniti; Giovanni Montani
2009-02-10T23:59:59.000Z
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.
Deformation Quantization, Quantization, and the Klein-Gordon Equation
P. Tillman
2007-02-28T23:59:59.000Z
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.
(Pseudo)Generalized Kaluza-Klein G-Spaces and Einstein Equations
C. M. Arcus; E. Peyghan
2014-06-14T23:59:59.000Z
Introducing the Lie algebroid generalized tangent bundle of a Kaluza-Klein bundle, we develop the theory of general distinguished linear connections for this space. In particular, using the Lie algebroid generalized tangent bundle of the Kaluza-Klein vector bundle, we present the $\\left( g,h\\right) $-lift of a curve on the base $M$ and we characterize the horizontal and vertical parallelism of the $\\left( g,h\\right) $-lift of accelerations with respect to a distinguished linear $\\left( \\rho ,\\eta \\right) $-connection. Moreover, we study the torsion, curvature and Ricci tensor field associated to a distinguished linear $\\left( \\rho ,\\eta \\right) $-connection and we obtain the identities of Cartan and Bianchi type in the general framework of the Lie algebroid generalized tangent bundle of a Kaluza-Klein bundle. Finally, we introduce the theory of (pseudo) generalized Kaluza-Klein G-spaces and we develop the Einstein equations in this general framework.
Kaluza-Klein Contamination in Fermi Accelerated Environments
Cong-Xin Qiu
2008-08-09T23:59:59.000Z
Astrophysical constraints of new physics are often limited to weakly interacting light particles, such as axions, the Kaluza-Klein (KK) gravitons from the ADD model, sterile neutrinos and unparticles. We discuss the possibility for an astrophysical scenario to (dis)confirm new physics for heavy particles beyond TeV energy scale. In our scenario, the KK protons (the KK excited quarks/gluons within protons) within the framework of universal extra dimensions (UEDs), are produced by high energy p + p collisions in Fermi accelerated environments, with protonic isotropic spectrum d N / d E \\propto E^-2 up to at least 10^18 eV. Thus, because they are also electrically charged, they should be re-accelerated by mechanism similar to normal protons. The KK states (no matter whether they have already decayed to the lightest KK particle or not) should contaminate 10^-5 to 10^-2 of cosmic-ray events for some fixed energy E (within some suitable assumptions). Hence, if we have techniques to identify them from air shower data, we can constrain UEDs scenario. Our method is an "existence proof" that we can constrain new physics beyond TeV scale or much higher by classical astrophysical scenarios, which can also be generalized to supersymmetric models, the bulk Standard Model fields within the RS model, and the endlessly emerging new models. Moreover, it can exploit domains which have no possibility to be studied in terrestrial experiments.
Klein tunneling and supercollimation of pseudospin-1 photons
Fang, A; Louie, Steven G; Chan, C T
2015-01-01T23:59:59.000Z
Pseudospin plays a central role in many novel physical properties of graphene and other artificial systems which have pseudospins of 1/2. Here we show that in certain photonic crystals (PCs) exhibiting conical dispersions at k = 0, the eigenmodes near the "Dirac-like point" can be described by an effective spin-orbit Hamiltonian with a pseudospin of 1, treating wave propagations in the upper cone, the lower cone and a flat band (corresponding to zero refractive index) within a unified framework. The 3-component spinor gives rise to boundary conditions distinct from those of pseudospin-1/2, leading to new wave transport behaviors as manifested in Klein tunneling and supercollimation. For example, collimation can be realized more easily with pseudospin-1 than pseudospin-1/2. The special wave scattering properties of pseudospin-1 photons, coupled with the discovery that the effective photonic "potential" can be varied by a simple change of length scale, may offer new ways to control photon transport.
Soliton ratchets in homogeneous nonlinear Klein-Gordon systems
Luis Morales-Molina; Niurka R. Quintero; Franz G. Mertens; Angel Sanchez
2005-11-30T23:59:59.000Z
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.
Finite Temperature Casimir Effect in Kaluza-Klein Spacetime
L. P. Teo
2009-01-15T23:59:59.000Z
In this article, we consider the finite temperature Casimir effect in Kaluza-Klein spacetime due the the vacuum fluctuation of massless scalar field with Dirichlet boundary conditions. We consider the general case where the extra dimensions (internal space) can be any compact connected manifold or orbifold without boundaries. Using piston analysis, we show that the Casimir force is always attractive at any temperature, regardless of the geometry of the internal space. Moreover, the magnitude of the Casimir force increases as the size of the internal space increases and it reduces to the Casimir force in (3+1)-dimensional Minskowski spacetime when the size of the internal space shrinks to zero. In the other extreme where the internal space is large, the Casimir force can increase beyond all bound. Asymptotic behaviors of the Casimir force in the low and high temperature regimes are derived and it is observed that the magnitude of the Casimir force grows linearly with temperature in the high temperature regime.
Sánchez, Angel "Anxo"
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
Sánchez, Angel "Anxo"
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
EIGENVALUES OF SATURATED HYDROCARBONS D. J. KLEIN AND C. E. LARSON
Larson, Craig E.
EIGENVALUES OF SATURATED HYDROCARBONS D. J. KLEIN AND C. E. LARSON Abstract. A simplified HÂ¨uckel-type molecular-orbital (MO) model for the valence electrons of saturated hydrocarbons is proposed and half negative. Keywords: saturated hydrocarbons, alkanes, stellation, para-line graph. 1. Saturated
Wind ringing of the ocean in presence of mesoscale eddies P. Klein and G. Lapeyre
Lapeyre, Guillaume
Wind ringing of the ocean in presence of mesoscale eddies P. Klein and G. Lapeyre Laboratoire de scales related to oceanic mesoscale eddies. Results show that a turbulent eddy field does not affect Oceanography: Physical: Eddies and mesoscale processes; 4572 Oceanography: Physical: Upper ocean processes
SIGNAL SUBSPACE SPEECH ENHANCEMENT WITH PERCEPTUAL POST-FILTERING Mark Klein and Peter Kabal
Kabal, Peter
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
ADB-Trees: Controlling the Error of Time-Critical Collision Detection Jan Klein Gabriel Zachmann
Behnke, Sven
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
Clara Rojas
2014-09-18T23:59:59.000Z
We solve the Klein-Gordon equation for a step potential with hyperbolic tangent potential. The scattering solutions are derived in terms of hypergeometric functions. The reflection coefficient R and transmission coefficient T are calculated, we observed superradiance and transmission resonances.
F-theory and Neutrinos: Kaluza-Klein Dilution of Flavor Hierarchy
Seo, Jihye [Jefferson Physical Laboratory, Harvard University, Cambridge, MA 02138 (United States)
2010-02-10T23:59:59.000Z
We present a Majorana neutrino scenario in a F-theory SU(5) GUT model, which is recently proposed in [1]. The mass scale of the neutrinos arises from integrating out heavy Kaluza-Klein modes on the right-handed neutrinos. The participation of non-holomorphic Kaluza-Klein mode wave functions dilutes the mass hierarchy in comparison to the quark and charged lepton sectors, in agreement with experimentally measured mass splittings. The neutrinos are predicted to exhibit a 'normal' mass hierarchy, with masses (m{sub 3}, m{sub 2}, m{sub 1})approx.05x(1,alpha{sub GUT}{sup 1/2},alpha{sub GUT}) eV. The neutrino mixing matrix exhibits a mild hierarchical structure with theta{sub 13}approxalpha{sub GUT}{sup 1/2}approx0.2. We also predict mass measurements in single and double beta decay experiments.
On the solution of the Heaviside - Klein - Gordon thermal equation for heat transport in graphene
Magdalena Pelc
2007-11-26T23:59:59.000Z
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.
Klein-Gordon equations for energy-momentum of the relativistic particle in rapidity space
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
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.
Ginzel, Matthew
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
Mass and Free energy in Thermodynamics of Squashed Kaluza-Klein Black Holes
Yasunari Kurita; Hideki Ishihara
2007-08-01T23:59:59.000Z
The Abbott-Deser mass, the Hamiltonian and the Komar mass of the 5-dimensional Kaluza-Klein black hole with squashed horizons take different values. Introducing a new couple of thermodynamic variables for the Komar mass, we show that each mass can be interpreted as a thermodynamic potential with its own natural variables, i.e. all masses are related to each other by the Legendre transformations. It is found that the new variables and the gravitational tension represent the squashing of the outer horizon.
General Rotating Charged Kaluza-Klein AdS Black Holes in Higher Dimensions
Shuang-Qing Wu
2011-08-21T23:59:59.000Z
I construct exact solutions for general nonextremal rotating, charged Kaluza-Klein black holes with a cosmological constant and with arbitrary angular momenta in all higher dimensions. I then investigate their thermodynamics and find their generalizations with the NUT charges. The metrics are given in both Boyer-Lindquist coordinates and a form very similar to the famous Kerr-Schild ansatz, which highlights its potential application to include multiple electric charges into solutions yet to be found in gauged supergravity. It is also observed that the metric ansatz in $D = 4$ dimensions is similar to those previously suggested by Yilmaz and later by Bekenstein.
Noncommutative Geometry and a Discretized Version of Kaluza-Klein Theory with a Finite Field Content
Nguyen Ai Viet; Kameshwar C. Wali
1994-12-27T23:59:59.000Z
We consider a four-dimensional space-time supplemented by two discrete points assigned to a $Z_2$ algebraic structure and develop the formalism of noncommutative geometry. By setting up a generalised vielbein, we study the metric structure. Metric compatible torsion free connection defines a unique finite field content in the model and leads to a discretized version of Kaluza-Klein theory. We study some special cases of this model that illustrate the rich and complex structure with massive modes and the possible presence of a cosmological constant.
On the Klein-Gordon equation near a De Sitter brane in an Anti-de Sitter bulk
Alain Bachelot
2014-06-29T23:59:59.000Z
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.
An Improvement to a Berezin-Li-Yau type inequality for the Klein-Gordon Operator
Yolcu, Selma Yildirim
2009-01-01T23:59:59.000Z
In this article we improve a lower bound for $\\sum_{j=1}^k\\beta_j$ (a Berezin-Li-Yau type inequality) in [E. M. Harrell II and S. Yildirim Yolcu, Eigenvalue inequalities for Klein-Gordon Operators, J. Funct. Analysis, 256(12) (2009) 3977-3995]. Here $\\beta_j$ denotes the $j$th eigenvalue of the Klein Gordon Hamiltonian $H_{0,\\Omega}=|p|$ when restricted to a bounded set $\\Omega\\subset {\\mathbb R}^n$. $H_{0,\\Omega}$ can also be described as the generator of the Cauchy stochastic process with a killing condition on $\\partial \\Omega$. (cf. [R. Banuelos, T. Kulczycki, Eigenvalue gaps for the Cauchy process and a Poincare inequality, J. Funct. Anal. 211 (2) (2004) 355-423]; [R. Banuelos, T. Kulczycki, The Cauchy process and the Steklov problem, J. Funct. Anal. 234 (2006) 199-225].) To do this, we adapt the proof of Melas ([ A. D. Melas, A lower bound for sums of eigenvalues of the Laplacian, Proceedings of the American Mathematical Society, 131(2) (2002) 631-636]), who improved the estimate for the bound of $\\sum_...
Prasanta Kumar Das; V H Satheeshkumar; P. K. Suresh
2008-08-20T23:59:59.000Z
In large extra dimensional Kaluza-Klein (KK) scenario, where the usual Standard Model (SM) matter is confined to a 3+1-dimensional hypersurface called the 3-brane and gravity can propagate to the bulk (D=4+d, d being the number of extra spatial dimensions), the light graviton KK modes can be produced inside the supernova core due to the usual nucleon-nucleon bremstrahlung, electron-positron and photon-photon annihilations. This photon inside the supernova becomes plasmon due to the plasma effect. In this paper, we study the energy-loss rate of SN 1987A due to the KK gravitons produced from the plasmon-plasmon annihilation. We find that the SN 1987A cooling rate leads to the conservative bound $M\\_D$ > 22.9 TeV and 1.38 TeV for the case of two and three space-like extra dimensions.
Didactic derivation of the special theory of relativity from Klein-Gordon equation
Arod?, H
2014-01-01T23:59:59.000Z
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}|
Kaluza-Klein bubble like structure and celestial sphere in inflationary universe
Tetsuya Shiromizu; Shinya Tomizawa; Yuki Uchida; Shinji Mukohyama
2005-06-04T23:59:59.000Z
We consider five dimensional deSitter spacetimes with a deficit angle due to the presence of a closed 2-brane and identify one dimension as an extra dimension. From the four dimensional viewpoint we can see that the spacetime has a structure similar to a Kaluza-Klein bubble of nothing, that is, four dimensional spacetime ends at the 2-brane. Since a spatial section of the full deSitter spacetime has the topology of a sphere, the boundary surface surrounds the remaining four dimensional spacetime, and can be considered as the celestial sphere. After the spacetime is created from nothing via an instanton which we describe, some four dimensional observers in it see the celestial sphere falling down, and will be in contact with a 2-brane attached on it.
The 3-dimensional Einstein-Klein-Gordon system in characteristic numerical relativity
W. Barreto; A. Da Silva; R. Gomez; L. Lehner; L. Rosales; J. Winicour
2004-12-14T23:59:59.000Z
We incorporate a massless scalar field into a 3-dimensional code for the characteristic evolution of the gravitational field. The extended 3-dimensional code for the Einstein--Klein--Gordon system is calibrated to be second order convergent. It provides an accurate calculation of the gravitational and scalar radiation at infinity. As an application, we simulate the fully nonlinear evolution of an asymmetric scalar pulse of ingoing radiation propagating toward an interior Schwarzschild black hole and compute the backscattered scalar and gravitational outgoing radiation patterns. The amplitudes of the scalar and gravitational outgoing radiation modes exhibit the predicted power law scaling with respect to the amplitude of the initial data. For the scattering of an axisymmetric scalar field, the final ring down matches the complex frequency calculated perturbatively for the $\\ell=2$ quasinormal mode.
Search for Kaluza-Klein gravitons in extra dimension models via forward detectors at the LHC
Cho, Gi-Chol; Mawatari, Kentarou; Yamashita, Kimiko
2015-01-01T23:59:59.000Z
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.
Search for Kaluza-Klein gravitons in extra dimension models via forward detectors at the LHC
Gi-Chol Cho; Takanori Kono; Kentarou Mawatari; Kimiko Yamashita
2015-03-19T23:59:59.000Z
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.
David Shirokoff
2011-06-30T23:59:59.000Z
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.
Bose gas to Bose-Einstein Condensate by the Phase Transition of the Klein-Gordon equation
Tonatiuh Matos; Elías Castellanos
2012-09-21T23:59:59.000Z
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.
Piero Madau; Christopher Thompson
1999-11-30T23:59:59.000Z
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.
A review of 'Ephelia,' ed. Maureen E. Mulvihill
Philip Milito
2004-01-01T23:59:59.000Z
; 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...
Adult Psychopathology (620) Professor: Maureen Zalewski, Ph.D.
Lockery, Shawn
disorders. Course Texts: (1) American Psychiatric Association, American Psychiatric Association, & DSM-5.: American Psychiatric Association. (2) Craighead, W. E., Miklowitz, D. J., & Craighead, L. W. (2013 Task Force. (2013). Diagnostic and statistical manual of mental disorders: DSM-5. Arlington, Va
A review of 'Ephelia,' ed. Maureen E. Mulvihill
Philip Milito
2004-01-01T23:59:59.000Z
of the Plott. Written by a Lady of Quality , printed in the year 1679 (Wing P2668; ESTC R40072), whose decorative incipit initial (?H?) displays recognizable full-length miniatures of the King and the poem?s author, its ?Lady of Quality,? Lady Mary Villiers... bibliographical record of ?Ephelia? as one Joan Philips, which Mulvihill explains in her archive with a little help from Aphra Behn and Robert Gould. Notwithstanding, the case for ?Ephelia? as Mary Villiers is forceful and strongly supported. And Mulvihill?s...
Ontology and Semantic Interoperability Thomas Bittner, Maureen Donnelly
Bittner, Thomas
computers, languages of underlying data exchange formats such as shapefiles, or dxf are used. Particularly
Klein-Nishina effects on the high-energy gamma-ray emission of gamma-ray bursts
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
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.
Rebecca Bortz Marguerite Klein
Bandettini, Peter A.
Opportunities for Research ODS Staff News Recent ODS Staff Publications Recent ODS Staff Presentations Upcoming Events Read More at ODS Health Information News and Events Research and Funding About ODS Staff fulfill the mission of ODS, and they will be missed. New scientists will be hired to take over
Kostas Skenderis; Marika Taylor
2006-05-09T23:59:59.000Z
We construct a holographic map between asymptotically AdS_5 x S^5 solutions of 10d supergravity and vacuum expectation values of gauge invariant operators of the dual QFT. The ingredients that enter in the construction are (i) gauge invariant variables so that the KK reduction is independent of any choice of gauge fixing; (ii) the non-linear KK reduction map from 10 to 5 dimensions (constructed perturbatively in the number of fields); (iii) application of holographic renormalization. A non-trivial role in the last step is played by extremal couplings. This map allows one to reliably compute vevs of operators dual to any KK fields. As an application we consider a Coulomb branch solution and compute the first two non-trivial vevs, involving operators of dimension 2 and 4, and reproduce the field theory result, in agreement with non-renormalization theorems. This constitutes the first quantitative test of the gravity/gauge theory duality away from the conformal point involving a vev of an operator dual to a KK field (which is not one of the gauged supergravity fields).
Sameer M. Ikhdair
2011-10-05T23:59:59.000Z
The approximate analytic bound state solutions of the Klein-Gordon equation with equal scalar and vector exponential-type potentials including the centrifugal potential term are obtained for any arbitrary orbital angular momentum number l and dimensional space D. The relativistic/non-relativistic energy spectrum equation and the corresponding unnormalized radial wave functions, in terms of the Jacobi polynomials P_{n}^{({\\alpha},{\\beta})}(z), where {\\alpha}>-1, {\\beta}>-1 and z\\in[-1,+1] or the generalized hypergeometric functions _{2}F_{1}(a,b;c;z), are found. The Nikiforov-Uvarov (NU) method is used in the solution. The solutions of the Eckart, Rosen-Morse, Hulth\\'en and Woods-Saxon potential models can be easily obtained from these solutions. Our results are identical with those ones appearing in the literature. Finally, under the PT-symmetry, we can easily obtain the bound state solutions of the trigonometric Rosen-Morse potential.
J. Ponce de Leon
2003-01-24T23:59:59.000Z
In the Randall-Sundrum brane-world scenario and other non-compact Kaluza-Klein theories, the motion of test particles is higher-dimensional in nature. In other words, all test particles travel on five-dimensional geodesics but observers, who are bounded to spacetime, have access only to the 4D part of the trajectory. Conventionally, the dynamics of test particles as observed in 4D is discussed on the basis of the splitting of the geodesic equation in 5D. However, this procedure is {\\em not} unique and therefore leads to some problems. The most serious one is the ambiguity in the definition of rest mass in 4D, which is crucial for the discussion of the dynamics. We propose the Hamilton-Jacobi formalism, instead of the geodesic one, to study the dynamics in 4D. On the basis of this formalism we provide an unambiguous expression for the rest mass and its variation along the motion as observed in 4D. It is independent of the coordinates and any parameterization used along the motion. Also, we are able to show a comprehensive picture of the various physical scenarios allowed in 4D, without having to deal with the subtle details of the splitting formalism. Moreover we study the extra non-gravitational forces perceived by an observer in 4D who describes the geodesic motion of a bulk test particle in 5D. Firstly, we show that the so-called fifth force fails to account for the variation of rest mass along the particle's worldline. Secondly, we offer here a new definition that correctly takes into account the change of mass observed in 4D.
Eustice, Ryan
/Insurance Site visits/Reverse Site Visits Launching a New Center Earned Value Management (EVM) #12; it takes for all of us to partner with researchers to submit and/or manage winning proposals especially and Org Studies) (limited to 25 participants) Applied Excel (under development) Project Management
2. Scaling Laws and Complexity in Fire Donald McKenzie and Maureen Kennedy
to define and quantify scales in communities or ecosystems. 2.1 Scale and Contagious Disturbance A contagious disturbance is one that spreads across a landscape over time, and whose intensity depends;2 2002). Some natural hazards (Cello and Malamud 2006), such as wildfires, are therefore contagious
Application for Presidential Permit OE Docket No. PP-371 Northern...
Office of Environmental Management (EM)
Maureen Quinn Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Maureen Quinn Application from Northern Pass to construct, operate and maintain...
Rhode Island, University of
, Massachusetts IVAN VICTORIA Aanderaa Data Instruments, Inc., Attleboro, Massachusetts (Manuscript received 15
, 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
Isotopic Analysis (Klein, 2007) | Open Energy Information
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Geothermometry (Klein, 2007) | Open Energy Information
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Tracer Testing (Klein, 2007) | Open Energy Information
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Signature of Seb Klein Signature of Seb Klein Signature of Steven Erhart
National Nuclear Security Administration (NNSA)
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn AprilA Approved:AdministrationAnalysisDarby Dietrich Signature ofMarkR.Robert
Boyer, Edmond
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
Monomial Embeddings of the Klein Curve \\Lambda Iwan M. Duursma
Duursma, Iwan M.
of the automorÂ phism group. The curve has 24 flexpoints, i.e. points where the tangent intersects]. For the case N = 25, we first consider a configuration in PG(2; 8). Starting point are the seven points and seven lines of the Fano plane. Through the seven points pass 42 lines not in the Fano plane
Null energy in plane Kaluza-Klein worlds
David Solano; Rodrigo Alvarado
2005-10-02T23:59:59.000Z
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.
From Klein's Platonic Solids to Kepler's Archimedean Solids: [3pt ...
Edray Herber Goins
2012-08-23T23:59:59.000Z
Aug 31, 2012 ... 122 55 · ?4 = 128 A4 B2 ? 144 B5 ? 192 A5 C ? 600 A B3 C + 1000 ... + 1725000 A4 B2 C2 ? 2025000 B5 C2 ? 1800000 A5 C3 + .... Page 19 ...
andreas michael klein: Topics by E-print Network
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Critical Industrial Robot Programming Andreas Schierl, Andreas Angerer, Alwin Hoffmann, Michael Vistein and Wolfgang Reif Computer Technologies and Information Sciences...
The Rotating Dyonic Black Holes Of Kaluza-Klein Theory
Dean Rasheed
1995-05-06T23:59:59.000Z
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.
Consistent Kaluza-Klein truncations via exceptional field theory
Hohm, Olaf
We present the generalized Scherk-Schwarz reduction ansatz for the full supersymmetric exceptional field theory in terms of group valued twist matrices subject to consistency equations. With this ansatz the field equations ...
Unification and explanation in early Kaluza-Klein theories
Muntean, Ioan Lucian
2009-01-01T23:59:59.000Z
attraction (Newton’s 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
Patterns on the Genus-3 Klein Quartic Carlo H. Squin
O'Brien, James F.
made on rapid-prototyping machines. Figure 1: Quilt made by Eveline SÃ©quin showing regular tiling heptagons obtained from Bill Thurston allowed my daughter Eveline to stitch together the quilt shown
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 DataDepartment of Energy Your Density Isn't YourTransport(FactDepartment ofLetter Report:40PMDepartment ofs o u t h e a s t e r nLeading the
Fluid Inclusion Analysis (Klein, 2007) | Open Energy Information
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Gas Flux Sampling (Klein, 2007) | Open Energy Information
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Trace Element Analysis (Klein, 2007) | Open Energy Information
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Snohomish PUD Steve Klein CEO/General Manager
Broader source: Energy.gov (indexed) [DOE]
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The Melvin P. Klein Scientific Development Award | Stanford Synchrotron
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Shyy, Wei
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
Materials Research Laboratory University of California, Santa Barbara
Bigelow, Stephen
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
Soliton ratchets in homogeneous nonlinear Klein-Gordon systems Luis Morales-Molinaa
SÃ¡nchez, Angel "Anxo"
Departamento de FÃsica Aplicada I, E.U.P., Universidad de Sevilla, c/Virgen de Ãfrica 7, 41011 Sevilla, Spain, the phenomenon is different from that seen in pointlike particles as the de- formations of the soliton play
Microsoft PowerPoint - SRNL-L2100-2015-00033-S_Klein
Office of Environmental Management (EM)
Programs * Various Methods Used - Thermal Diffusion Columns - Batch Cryogenic Distillation * Thermal Cycling Absorption Process (TCAP) Fusion Energy (ITER) * Cryogenic...
PETER KLEIN~'~ -TOMASZ WAZNY~h~ C~Ordinariat fur Holzbiologie -Universitiit Hamburg)
Manning, Sturt
of the oak panels used by Rembrandt (BAUCH, ECKSTEIN 1981), Rubens (BAUCH ET ALII 1978) and other painters
Career Center: Kleine Handbibliothek Diese Bcher knnen hchstens fr eine Woche ausgeliehen werden!
Bremen, Universität
Republik, Estland, Ungarn, Zypern, Portugal, Irland, Japan, Australien, Brasilien, Finnland, Kanada, Mexiko
Controlled Collective Motion for Trajectory Tracking Daniel J. Klein and Kristi A. Morgansen
Morgansen, Kristi
are modeled as unit speed planar kinematic unicycles. A steering control law is derived for each individual so than one. A framework for steering controls is presented such that the unicycles stay near) was proposed for two vehicles with unit speed unicycle kinematics. The proposed steering control laws were
NUMERICAL STUDY OF THE GENERALISED KLEIN--GORDON DENYS DUTYKH # , DIDIER CLAMOND, AND MARX CHHAY
. This regime is relevant in coastal engineering problems [31, 49, 57]. In open ocean only tsunami and tidal for most wave evolution problems in open oceans [1, 19, 34]. In the present paper, we present a detailed
Comment on a Quintessence Particle Mass in the Kaluza-Klein Theory
M. W. Kalinowski
2003-12-30T23:59:59.000Z
We calculate a mass of a quintessence particle of order 0.00001 eV and we find several solutions for quintessence field equation. We consider also a quintessence speed of sound in several schemes and quintessence fluctuations.
Nice and Fast Implicit Surfaces over Noisy Point Clouds Jan Klein #
Zachmann, Gabriel
Zachmann + University of Bonn Abstract We propose a new definition of the implicit surface for a noisy
Conditional stability theorem for the one dimensional Klein-Gordon equation
Demirkaya, Aslihan; Stanislavova, Milena
2011-10-24T23:59:59.000Z
. Then sup ? ? ?1 RH (? ± i0)Pa.c.(H )u?L?x ? C 1/2 ? u?L1x . (44) Note: The constant ? 1/2 in (44) is not stated in Lemma 8,18 (which is the high-frequency version regime, i.e., ? > >1), but it is very explicit in the estimates there...(t, x) ? S(R2) and t ? R, ? ? ? ? ? ? t 0 e?i(t?s) ? H ? H Pa.c.g(s, ·)ds ? ? ? ? ? L5t L10x ?L?t H 1x ? C?g?L2t L2x (R,?x?5dx) (6) Lemma 2.2: There exists a positive constant C such that for any g(t, x) ? S(R2) and t ? R, ? ? ? ? ?x??3/2 ? t 0 e?i...
SIGNIFICANCE OF TRAFFIC PRODUCED TURBULENCE FOR URBAN DISPERSION MODELING Petra Kastner-Klein
Fedorovich, Evgeni
in reducing tail-pipe emissions, urban air pollution caused by mobile sources is still a major problem released inside the urban canopy. The street ventilation is then controlled by the interaction between buoyancy-related and traffic-induced air motions are secondary street-ventilation mechanisms compared
Supersymmetric and Kaluza-Klein Particles Multiple Scattering in the Earth
Albuquerque, Ivone
2009-01-01T23:59:59.000Z
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
Shape Retrieval using 3D Zernike Descriptors Marcin Novotni Reinhard Klein
Behnke, Sven
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
(References: Klein SA, RB McCoy, H Morrison, AS Ackerman, A
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del(ANL-IN-03-032) - Energy Innovation Portal Advanced Materials AdvancedOil
Rudd Klein Alternative Energy Ventures LLC aka Phoenix Energy Fund | Open
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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:Ezfeedflag JumpID-f < RAPIDâ€Ž |Rippey Jump to:WY) Jump to:Rosneft Jump
Microsoft PowerPoint - SRNL-L2100-2015-00033-S_Klein
Office of Environmental Management (EM)
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions forCheneyNovember 5-6,Energy,
Microsoft PowerPoint - KLEIN_ARM_STM08_POSTER.ppt
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighand RetrievalsFinalModule8.ppt MicrosoftDOE's ARRA SmartnowCiaverage
Microsoft PowerPoint - klein.cmwg.summary.pps [Compatibility Mode]
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighandSWPA / SPRA / USACE SWPA / SPRA /EstimatesMarch 2010 1
Microsoft PowerPoint - klein.cmwg.summary.ppt [Compatibility Mode]
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighandSWPA / SPRA / USACE SWPA / SPRA /EstimatesMarch 2010 1
The Hardboiled and the Haunted: Race, Masculinity, and the Asian American Detective
McMillin, Calvin
2012-01-01T23:59:59.000Z
Klein. Ohio: Bowling Green State University Popular Press,Klein. Ohio: Bowling Green State University Popular Press,Klein. Ohio: Bowling Green State University Popular Press,
Jailal Nicholas G Ablack Yohannes Abreham Mebrahtu
Sinnamon, Gordon J.
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
MEETING OF THE GRADUATE COUNCIL November 17, 2010
Scott, Robert A.
, 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
Introduction to a Sampling of Arts Integration Research
Burns, Maureen A.
2013-01-01T23:59:59.000Z
to a Sampling of Arts Integration Research By Maureen A.also noticed how the integration of music and math alsothey explored how the integration of the arts and sciences
University of California Shared Image Collections: Convergence and Expansion
Zentall, Lena; Burns, Maureen
2008-01-01T23:59:59.000Z
Marmor, “ArtSTOR: A Digital Library for the History of Art,”Lena Zentall, California Digital Library, and Maureen Burns,to painstakingly build a digital library of over 120,000
Highlights of the Fall 2013 Implementation Guidelines for
Su, Xiao
Highlights of the Fall 2013 Implementation Guidelines for Presidential Directive 2009-05 Maureen not permit financial aid for classes not required for the degree.) #12;THANKYOU!!! Fall 2013 Implementation
Reap, Maureen Elizabeth
1991-01-01T23:59:59.000Z
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...
Menczer, Filippo
and user access; (2) OIL, an ontology-based inference layer on top of the World Wide Web; (3) an associated of heterogeneous, distributed, and semi-structured documents typically found in large company intranets
van Harmelen, Frank
for semantic information processing and user access; (2) OIL, an ontology-based inference layer on top in large company intranets and the World Wide Web. The project's target results are: (1) a toolset
Ullmann, G. Matthias
. Markus Zanner, Kanzler der UniversitÃ¤t Bayreuth. Insgesamt sind jetzt zunÃ¤chst 50 GemÃ¤lde sowie zwei
I. Radinschi; Th. Grammenos
2005-08-01T23:59:59.000Z
We use Moeller's energy-momentum complex in order to explicitly compute the energy and momentum density distributions for an exact solution of Einstein's field equations with a negative cosmological constant minimally coupled to a static massless scalar field in a static, spherically symmetric background in (2+1)-dimensions.
Firestone, Jeremy
NOMINATIONS INVITED Â· The Executive Director of the Karl W. BÃ¶er 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
Behnke, Sven
by a separate model preparation phase in order to fulfill Figure 1: C-Class model, closeup of windscreen wiper
Frictional Drag Mechanisms between Polymer-Bearing T. Kreer, M. H. Muser,*, K. Binder, and J. Klein,
Mueser, Martin
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
Lapeyre, Guillaume
Dynamics of the Upper Oceanic Layers in Terms of Surface Quasigeostrophy Theory G. LAPEYRE AND P dynamics for nonlinear baroclinically unstable flows is examined using the concepts of potential vorticity density anomalies. Then, using the invertibility of potential vorticity, the dynamics are decomposed
Wisconsin at Madison, University of
1 OPTIMIZATION OF HYBRID GEOTHERMAL HEAT PUMP SYSTEMS Scott Hackel, Graduate Research Assistant to complete a parametric study of optimal HyGCHP designs over a range of scenarios varying in climate with an optimization package to allow design and control parameters to be globally optimized in order to minimize
Slow light in paraffin-coated Rb vapour cells M. KLEIN*yz, I. NOVIKOVAy, D. F. PHILLIPSy and
Walsworth, Ronald L.
-coated Rb cells, e.g., as a step towards the application of such vapour cells for a quantum memory [2, 17 aluminum box with attached resistive heater plates. The neck of the cell manifold is wrapped in resistive heater tape to provide additional heating of this region. The valve is then closed, isolating the cell
Colorado at Boulder, University of
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
Abbasi, R.
2010-01-01T23:59:59.000Z
of the Sun as a function of neutrino energy, see Fig. 2.high energy neutrinos from the direction of the Sun. Despiteand energy losses of the neutrinos on their way out of the Sun,
Shuang-Qing Wu
2009-02-12T23:59:59.000Z
It is shown that the Dirac equation is separable by variables in a five-dimensional rotating Kerr-(anti-)de Sitter black hole with two independent angular momenta. A first order symmetry operator that commutes with the Dirac operator is constructed in terms of a rank-three Killing-Yano tensor whose square is a second order symmetric Stackel-Killing tensor admitted by the five-dimensional Kerr-(anti-)de Sitter spacetime. We highlight the construction procedure of such a symmetry operator. In addition, the first law of black hole thermodynamics has been extended to the case that the cosmological constant can be viewed as a thermodynamical variable.
, particularly in connection with J=/ production in highÂenergy heavy ion collisions. 1\\Gamma6 Nuclear dependenceNuclear Dependence of the Production of \\Upsilon Resonances at 800 GeV D. M. Alde, H. W. Baer, T. A. Barlett, G. W. Hoffmann University of Texas, Austin, Texas 78712 1 #12; Abstract The yields of the 1S
Ira Clark
2002-01-01T23:59:59.000Z
to be pictured more than traveled and geometric rather than iconic. His examination shows how London had been configured spatially through the performance of City Pageants, whose props along their routes and visual records of their land- marks prepared...
Abbasi, R.
2010-01-01T23:59:59.000Z
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
Elias Castellanos; Tonatiuh Matos
2012-07-09T23:59:59.000Z
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.
MEETING OF THE GRADUATE COUNCIL April 20, 2011
Gittleman, John
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
Funded Faculty Research Grants Committee Name: FRG -Applied Life Sciences Committee
Scott, Robert A.
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
2014 MBL Directory Name Email Extension Location
Vallino, Joseph J.
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
The Plastic Ocean Michael Gonsior
Boynton, Walter R.
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
URI inAdvance Online Newsletter November 6, 2008
Rhode Island, University of
on November 18 is our post- election Web chat with Professor of Political Science Maureen Moakley. Her topic World University Games in Harbin, China, from February 18 through 28. The U.S. University Select Team United States University Select Team. More... Keep Warm: R.I. Energy Solutions Expo at URI The Rhode
ReGional ColleGe Review 2010 Final RepoRt CaRlton tRail ReGional ColleGe
Saskatchewan, University of
Members Aaron Behiel Humboldt Ron Bessey Watson Andrew Burgess Director of Finance Maureen Doetzel-Cross Watrous Amy Yeager Director of Programs Community Participants Sharon Armstrong Resident of Wynyard Leigh. Demetrius Wasylyniuk St. Peter's College Board Carol Weiman Career and Employment Services Consultations
183University of Minnesota Morris 200911 Catalog Administration
Amin, S. Massoud
University Madeline Maxeiner (1976), Associate Vice Chancellor for External Relations and Director of Fund183University of Minnesota Morris 2009Â11 Catalog Administration and Faculty University Regents, Congressional District 4 Maureen Ramirez, At Large University Administrators Robert H. Bruininks, President E
Opinion: Canada's efforts accelerate a global tragedy of the climate commons
Opinion: Canada's efforts accelerate a global tragedy of the climate commons BY MAUREEN RYAN, KEN's statement that Canada "won't take `no' for an answer" regarding the impending U.S. decision about, Financial Post Opinion: Canada's efforts accelerate a global tragedy of the climate... http
Anomalously thin transition zone and apparently isotropic upper mantle beneath Bermuda
for upwelling Margaret H. Benoit Department of Physics, College of New Jersey, Ewing, New Jersey, USA (benoit@tcnj.edu) Maureen D. Long Department of Geology and Geophysics, Yale University, New Haven, Connecticut, USA Scott D analyze shear wave splitting measurements to estimate mantle flow direction and receiver function stacks
Scherer, Norbert F.
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
Vol 441|29 June 2006 RESEARCH HIGHLIGHTS
Husak, Jerry F.
. 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
UNIVERSITY OF NICE -SOPHIA ANTIPOLIS DOCTORAL SCHOOL STIC
Paris-Sud XI, UniversitÃ© de
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
Disorders Michigan State University Extension Service Christine T. Stephens, Department of Botany and Plant Disorders Cooperative Extension Service Â· Michigan State University #12;Contents By Christine T. Stephens Agent, Monroe County. Dr. Kenneth Pohronezny. Uni- versity of Florida; Tom Stebbins and Maureen Mulligan
Umbilical cord blood gas analysis at the time of
Aickelin, Uwe
Umbilical cord blood gas analysis at the time of delivery Maureen Harris, Sarah L. Beckley, Jonathan M. Garibaldi, Robert D. E Keith and Keith R. Greene Aims: it is now recommended that cord blood. In this paper our experience of cord blood analysis is described and the literature is reviewed to: (I) provide
TRACKING TONGUE MOTION IN THREE DIMENSIONS USING TAGGED MR IMAGES Xiaofeng Liu1
Prince, Jerry L.
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
Next-generation phenomics for the Tree of Life June 26, 2013 AVAToL
Kaufman 12 , Edith Law 13 , Jing Liu 14 , Lisa Moore 15 , Maureen A O'Leary 16 , Maria Passarotti 12 J, Julius M, Kaufman S, Law E, Liu J, Moore L, O'Leary MA, Passarotti M, Ranade S, Simmons NB
The influence of small stresses on the dynamics of glaciers and subduction zones
Walter, Jacob Ineman
2012-01-01T23:59:59.000Z
in the Mexican subduction zone, Geofisica Internacional 49Mexican subduction zone, Geofisica Internacional 49 Klein,
Zachmann, Gabriel
Collision Detection" Jan Klein University of Paderborn Gabriel Zachmann Clausthal University Figure 1
Zachmann, Gabriel
. Consistent Normal Orientation for Polygonal Meshes Pavel Borodin Gabriel Zachmann Reinhard Klein Institute
Proximity Graphs for Defining Surfaces over Point Clouds
Behnke, Sven
over Point Clouds Gabriel Zachmann University of Bonn Germany Jan Klein University of Paderborn Germany
Zachmann, Gabriel
. Visual-fidelity dataglove calibration Ferenc Kahlesz Gabriel Zachmann Reinhard Klein Dept. of Computer
Zachmann, Gabriel
. Consistent Normal Orientation for Polygonal Meshes Pavel Borodin Gabriel Zachmann Reinhard Klein Institute
FORCE STUDIES OF MULTIPLE KTNESIN-1 AND EG5 MOLECULAR MOTORS EVAN TACLIBON GRAVES
Illinois at Urbana-Champaign, University of
Altepeter, Evan Jeffrey, Kerrie Huizinga, Michelle Nahas, Amy Rieter, Carla Heitzman, Emily Klein, George
Maureen E. Mulvihill
2004-01-01T23:59:59.000Z
: 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...
Seasonal distribution of freshwater dolphins in Tipishca Del Samiria, Peru
Zuniga, Elizabeth Luisa
1999-01-01T23:59:59.000Z
of thanks goes to Maureen Whittaker for endless hours of data entry, sorting and tracing fins, and for helping me get posters together for conferences. Suzanne (Chunk) Yin answered my endless questions during the writing and defense process. Thanks..., include a high rate of entanglement in fishing nets (Brownell et al. 1989, Pinedo et al. 1989, Corcuera et al. 1998) and subsequent use of the carcass as shark bait (Fidelix et al. 1998). Finally, the tucuxi is particularly susceptible to entrapment...
A review of "English Clandestine Satire, 1660-1702" by Harold Love
Ezell, Margaret J.M.
2007-01-01T23:59:59.000Z
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...
Martin, Timothy
, waxes) and respiration fluxes in southeastern U.S. pine forests Behzad Mortazavi,1,2,3 Maureen H. ConteCSC), and waxes (dCW)) and respiratory carbon (foliage (dCFR), soil (dCSR) and ecosystem 13 CO2 (dCER)) for two-alkanoic acid wax molecular cluster was twice that observed for dCOM and the predominant C2226 compound cluster
Development of human brain connectivity in health and disease
Colby, John Benjamin
2012-01-01T23:59:59.000Z
Jones D. K. , Klein J. C. , Bartsch A. J. , and Behrens T.D.K. , Klein, J.C. , Bartsch, A.J. , Behrens, T.E.J. , 2007.
Quantum walks and relativistic quantum simulations
Blatt, Rainer
in a quantum simulation of the Klein para- dox. The position and momentum of a relativistic Dirac particle
allmann sattler wappner: Topics by E-print Network
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ambient occlusion computation Mirko Sattler, Ralf Sarlette, Gabriel Zachmann, Reinhard Klein Computer Technologies and Information Sciences Websites Summary:...
Zachmann, Gabriel
Clouds" Jan Klein Gabriel Zachmann (a) (b) (c) (d) Figure 1: Visualization of the implicit function f
ambient computing research: Topics by E-print Network
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ambient occlusion computation Mirko Sattler, Ralf Sarlette, Gabriel Zachmann, Reinhard Klein Computer Technologies and Information Sciences Websites Summary:...
"Justification of Effort" in Animals 60 Animals Prefer Reinforcement that Follows Greater Effort
Cook, Robert
, Emily Klein, Kelly DiGian, and Jérôme Alessandri without whose help mush of the research described
C. Wetterich List of Publications, 1977-1994
Heermann, Dieter W.
(1984) 48 31) C. Wetterich: Kaluza-Klein cosmology and the inflationary universe, Nucl. Phys. B252 (1985
tel-00845885,version1-18Jul2013 tel-00845885,version1-18Jul2013
Paris-Sud XI, Université de
-Kikuchi, Nicolas Bergeal, Thierry Klein et Aviad Frydman d'avoir bien voulu ^etre rapporteurs et examinateurs de
Hearts of Darkness: Race and Urban Epistemology in American Noir
Andryeyev, Bonnie Rhee
2012-01-01T23:59:59.000Z
Klein. Ohio: Bowling Green State University Popular Press,Green, OH: Bowling Green State University Popular, 1985.
The APOBEC-2 crystal structure and functional implications for the deaminase AID
Chen, Xiaojiang
Prochnow1 *, Ronda Bransteitter1 *, Michael G. Klein1 , Myron F. Goodman1 & Xiaojiang S. Chen1 APOBEC-2
Normal and Shear Forces between a Polyelectrolyte Brush and a Solid Surface
Klein, Jacob
-FRANCÂ¸ OIS GOHY,2 ROBERT JEÂ´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
an efficient source of spin-entangled EPR pairs Hanbury-Brown and Twiss (HBT) Australia 1916 -2002 Radio stars: R. Hanbury Brown and R. Q. Twiss, "A New Type of Interferometer for Use in Radio Astronomy", Philosophical Magazine (7) 45 p663 (1954) Optical:R. Hanbury Brown and R. Q. Twiss, "A Test of a New Type
Mulvihill, Maureen
2009-01-01T23:59:59.000Z
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...
NREL: Energy Analysis - Meghan Mooney
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureen Hand Photo
NREL: Energy Analysis - Melissa Hudman
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureen Hand
NREL: Energy Analysis - Michael Bahl
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureen HandBahl Photo
NREL: Energy Analysis - Michael Gleason
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureen HandBahl
NREL: Energy Analysis - Michael Mendelsohn
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureen
NREL: Energy Analysis - Michael Woodhouse
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureenMichael
NREL: Energy Analysis - Monisha Shah
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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Saleshttp://www.fnal.gov/directorate/nalcal/nalcal02_07_05_files/nalcal.gifNRELPower SystemsDebbieJessicaLizMaureenMichaelMonisha
The first (almost) half century of the TEXAS Symposia
Trimble, V; Trimble, V
2011-01-01T23:59:59.000Z
microwave background, gamma ray bursts.) perpetuated theradiation, extragalactic gamma ray bursts, Kaluza-Klein,1974 had a review of gamma ray burst models given by Mal
SERVIO PBLICO FEDERAL UNIVERSIDADE FEDERAL DE SANTA CATARINA
Floeter, Sergio Ricardo
[LaboratÃ³rio Central de Oceanografia] Â OTEC- LCO (prof. AntÃ´nio Henrique da Fontoura Klein), 9. LaboratÃ³rio
MEMORANDUM FOR DISTRIBUTION FROM: JAMES A. RISPOLI ASSISTANT...
Office of Environmental Management (EM)
paper Distribution Keith A. Klein, Manager, Richland Operations Office Shirley Olinger, Acting Manager, Office of River Protection Frazer R. Lockhart, Manager, Rocky Flats...
USING COGNITIVE MODELING TO STUDY BEHAVIOR MODERATORS: PRE-TASK APPRAISAL AND ANXIETY
Ritter, Frank
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
achieving workplace equality: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
1) Access Klein, Andrew G. 323 Interprocedural Herbrand Equalities Markus Muller-Olm1 Computer Technologies and Information Sciences Websites Summary: Interprocedural...
The AIDS Poets, 1985-1995: From Anti-Elegy to Lyric Queerness
Gorelik, Aaron Bradley
2014-01-01T23:59:59.000Z
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.
Litigation in Argentina: challenging the tobacco industry.
Flores, M L; Barnoya, J; Mejia, R; Alderete, E; Pérez-Stable, E J
2006-01-01T23:59:59.000Z
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.
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
Zachmann, Gabriel
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
Biasutti, Michela
Retirement Administration Vacant Sr. Benefits Systems Analyst Althea Klein Manager Health & Welfare Karen Transaction Coordinator Vacant Transaction Coordinator Nazim Ali Transaction Coordinator Loretta Gonzalez
Blazed high-efficiency x-ray diffraction via transmission through arrays of
with the x-ray microscope at BESSY," Rev. Sci. Instrum. 66, 1282-1286 (1995). 12. A. G. Klein and S. A
: (). (). , () : . , . ( 3·10-5 ), , . . , , , . BESSY-I () [2. .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. . -4 // , 2010, 1, . 2033. 2. R. Klein et al. Measurement of the BESSY II Electron Beam Energy
aboard container cargo: Topics by E-print Network
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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...
Strategies for Successful Implementation of Virtual Weigh and Compliance Systems in California
Regan, Amelia
2006-01-01T23:59:59.000Z
two types, intrusive and non-intrusive (Mimbela and Klein,On the other hand, non-intrusive sensors are mounted
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...
Programaci primer trimestre curs 2009-2010
Geffner, Hector
, (Salzburg, 1756 - Viena, 1791) Serenata núm. 13 en sol major, Kv 525 "Eine Kleine nachtmusik" Allegro per a dos violins Op.3 núm. 8 "L'Estro Armonico" Allegro Larghetto e spiritoso Allegro Solistes: Júlia major, Kv 525 "Eine Kleine nachtmusik" Allegro Romance Menuetto Rondo Franz Schubert (Viena, 1797
Fred H. Rodriguez ('75) Kenneth N. Adatto ('68)
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
Fred H. Rodriguez ('75) Kenneth N. Adatto ('68)
) 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
Theor. Comput. Fluid Dyn. (2006) 20: 525551 DOI 10.1007/s00162-006-0027-9
Majda, Andrew J.
2006-01-01T23:59:59.000Z
in the development of Systematic multiscale models for the tropics in Majda and Klein [J. Atmosph. Sci. 60: 393Â408, 2003] and Majda and Biello [PNAS, 101: 4736Â4741, 2004]. Biello and Majda [J. Atmosph. Sci. 62: 1694, Germany E-mail: rupert.klein@zib.de A. J. Majda Courant Institute of Mathematical Sciences, New York
Klein, Jacob
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
Boyer, Edmond
that MgB2 belongs to an origi- nal class of superconductors in which two weakly coupled bands with very the existence of two distinct superconducting gaps. One of the main consequence of this two-band superconduc of the superconducting gaps with Al doping remains controversial. Whereas Gonnelli et al.15 sug- gested that the small
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
Dunn, John J.; McCorkle, Sean R.; Praissman, Laura A.; Hind, Geoffrey; Van der Lelie, Daniel; Bahou, Wadie F.; Gnatenko, Dmitri V.; Krause, Maureen K.
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
COMPARATIVE COSTS OF CALIFORNIA CENTRAL STATION ELECTRICITY
CALIFORNIA ENERGY COMMISSION COMPARATIVE COSTS OF CALIFORNIA CENTRAL STATION ELECTRICITY GENERATIONCann Please use the following citation for this report: Klein, Joel. 2009. Comparative Costs of California............................................................................................................................1 Changes in the Cost of Generation Model
argon ions: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
A. Ereditato; S. Farooq; B. Fleming; H. Greenlee; R. Guenette; S. Haug; G. Horton-Smith; C. James; E. Klein; K. Lang; P. Laurens; S. Linden; D. McKee; R. Mehdiyev; B. Page; O....
argon 36 target: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
A. Ereditato; S. Farooq; B. Fleming; H. Greenlee; R. Guenette; S. Haug; G. Horton-Smith; C. James; E. Klein; K. Lang; P. Laurens; S. Linden; D. McKee; R. Mehdiyev; B. Page; O....
COMMUNITYMAGAZINE VAN DE UGENT De duurzaamheidsvisie
Gent, Universiteit
;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
faculteit elektrotechniek, wiskunde & informatica engineering
je helpen. Het onderwijs aan onze opleiding is van zeer hoog niveau. Alle docenten zijn stuk voor stuk uitstekende ingenieurs, met een internationale reputatie. Het onderwijs vindt plaats in kleine
Kennismaking Praktische Sterrenkunde Practicum 3 Flatfields
Peletier, Reynier
steeds klein! Lees eerst in het bijgaande stuk over het algemene nut van flatfields en hoe je ze maakt is. Waarom hoeft dit stuk koepel niet 100% procent egaal belicht te zijn? Met onze 40cm telescoop
Invariant classification of orthogonally separable Hamiltonian systems in Euclidean space
Joshua T. Horwood; Raymond G. McLenaghan; Roman G. Smirnov
2006-05-07T23:59:59.000Z
The problem of the invariant classification of the orthogonal coordinate webs defined in Euclidean space is solved within the framework of Felix Klein's Erlangen Program. The results are applied to the problem of integrability of the Calogero-Moser model.
FTD/am; Quelle: MPI fr Dynamik und Selbstorganisation Pennsylvania
Amaral, Luis A.N.
Arkansas Pennsylvania New Mexico Kalifornien Bis hierher und nicht weiter Mobilitätsgrenzen in den USA medizini- sche Anwendungen entwickelt, der die Positronenemissionstomografie (PET) mit der Detektionsempfindlichkeit der PET verbunden werden. Bislang können allerdings nur kleine Labor- tiere untersucht werden. FTD
Actin-binding cleft closure in myosin II probed by site-directed spin labeling and pulsed EPR
Rayment, Ivan
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
e-mail address www.sciencedirect.com
Massa, Eugenio - Instituto de Ciências Matemáticas e de Computação, Universidade de São Paulo
, Issue 1, January 2010, Pages 111-126 Hakl, R.; Torres, P.J. 13. Weighted energy decay for 3D Klein of Differential Equations October to December 2009 RSS Blog This! Print Show condensed 1. Some critical point
Algorithmic modeling of decision making over networks
Vattani, Andrea
2012-01-01T23:59:59.000Z
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
Calming Troubled Waters: Making Interdisciplinarity Work (RES-224-25-0110)
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
The Origins of Korean Adoption: Cold War Geopolitics and Intimate Diplomacy
Kim, E
2015-01-01T23:59:59.000Z
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. ’”
TOWARDS A SYSTEMATIC REPOSITORY OF KNOWLEDGE ABOUT MANAGING COLLABORATIVE DESIGN CONFLICTS1
of concurrent engineering practices such as multi-disciplinary design teams (Klein 1994). A key barrier including computer science, industrial engineering, and management science, to mention just a few. Previous
ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)
McCoy, Renata; Xie, Shaocheng
2013-12-26T23:59:59.000Z
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.
ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)
McCoy, Renata; Xie, Shaocheng
2013-12-26T23:59:59.000Z
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.
ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1 V4)
McCoy, Renata; Xie, Shaocheng
2013-12-26T23:59:59.000Z
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.
ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)
McCoy, Renata; Xie, Shaocheng
2013-12-27T23:59:59.000Z
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.
ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)
McCoy, Renata; Xie, Shaocheng
2013-12-26T23:59:59.000Z
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.
ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)
McCoy, Renata; Xie, Shaocheng
2013-12-26T23:59:59.000Z
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.
Ueber die geometrischen Eigenschaften der Kreisbogenvierecke
Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher
2012-04-25T23:59:59.000Z
danken hat Herr Professor F. Klein in dem erwähnten Seminar mitgeteilt. 1. ) i. ) Vgl. auch Stephanos, Bull, de la Societe Mathem. deFrance, 1882, X, 134—137.
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
2011. * DeSoto, W.; Klein, S.A.; Beckman, W.A.; Improvement and Validation of a Model for Photovoltaic Array Performance. Solar Energy, 80(1), 2006. * Dobos, A.P.; An Improved...
WORKSHOP ON DISORDERED MATERIALS
Glyde, Henry R.
and soft matter: Lithium conducting polymers. Saboungi 9:30 Lennox Iton Molecules in zeolites. 10:00 Henry Glyde Disordered quantum systems. 10:30 COFFEE 11:00 Discussion and Wrap-up (David Price, Michael Klein
Eurographics Symposium on Point-Based Graphics (2004) M. Alexa, S. Rusinkiewicz, (Editors)
Zachmann, Gabriel
) 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
Stochastic Methods Gabriel Zachmann
Behnke, Sven
1 Stochastic Methods Gabriel Zachmann UniversitÃ¤t Bonn Motivation ADB-Trees Stochastic Closest-Trees [Klein & Zachmann, 2003] 2. Stochastic Closest Features Tracking [Raghupathi et al., 2004; Debunne & Guy
Eurographics Symposium on PointBased Graphics (2004) M. Alexa, S. Rusinkiewicz, (Editors)
Zachmann, Gabriel
) 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
The bootstrap multiscale analysis for the multi-particle Anderson model
Abel Klein; Son T. Nguyen
2012-12-22T23:59:59.000Z
We extend the bootstrap multi-scale analysis developed by Germinet and Klein to the multi-particle Anderson model, obtaining Anderson localization, dynamical localization, and decay of eigenfunction correlations.
Bootstrap multiscale analysis and localization for multi-particle continuous Anderson Hamiltonians
Abel Klein; Son Nguyen
2014-04-15T23:59:59.000Z
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.
ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1 V4)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate From Nauru (ARMBE-ATM TWPC2)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
HANWEI ZHANG 19 Riley Ct. Skillman, NJ 08558
3, Pages 277-298 [6]. Klein, A., Zhang, H. & Themelis, N. J. (2003). A Waste-To-Energy Power Plant (2007). Process Simulation of a large Mass Burn Waste-To-Energy boiler by the combination of CFD
Energy-momentum relation for solitary waves of nonlinear Dirac equations
T. V. Dudnikova
2014-04-28T23:59:59.000Z
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.
Rudowsky, Ira
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
CREATING A SMOOTH PATHWAY FROM INNOVATION TO
Kammen, Daniel M.
: 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
MIT Hillel Update 24 Nissan 5771
Jackson, Daniel
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
Revised Version DAMTP200534 DESY05073
-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
Röder, Beate
's Ear (1997) Violoncello und Stimme (2003) Chris Dench ik(s)land[s] (1997/98) 14:30 Uhr Raum 158 Diotima dieser kleine Blinde jetzt wieder von vorn beginnt: Oder einfach ei
2007/48 Single Item Lot-Sizing with Non-Decreasing Capacities
2007-08-05T23:59:59.000Z
Jun 2, 2007 ... Klein [8] with a dynamic programming algorithm running in O(n4), where n is the ... that Dt ? Ct is made without loss of generality. This holds ...
New Techniques for the Scientific Visualization of Three-Dimensional
Crawfis, Roger
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
2008 WINNERS College of Science & Engineering
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
HIGH DENSITY SINTERING OF IKON-CARBON ALLOYS VIA TRANSIENT LIQUID PHASE
Lam, T.T.
2011-01-01T23:59:59.000Z
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
Cross-cultural validity of the German translation of the Marital Satisfaction Inventory-Revised
Abbott, Brian Vaughn
2001-01-01T23:59:59.000Z
) and rates of distress in the marital relationship (Snyder, Klein, Gdowski, Faulstich, & LaCombe, 1988). The convergent validity of the MSI has been supported by correlational studies linking MSI scales to other established measures of marital functioning...
Noncommutativity and the Friedmann Equations
Sabido, M.; Socorro, J. [Physics Department of the Division of Science and Engineering of the University of Guanajuato, Campus Leon P.O. Box E-143, 37150 Leon Gto. (Mexico); Guzman, W. [Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21945-970, Rio de Janeiro (Brazil)
2010-07-12T23:59:59.000Z
In this paper we study noncommutative scalar field cosmology, we find the noncommutative Friedmann equations as well as the noncommutative Klein-Gordon equation, interestingly the noncommutative contributions are only present up to second order in the noncommutitive parameter.
AN EQUAL OPPORTUNITY/AFFIRMATIVE ACTION UNIVERSITY The University of Texas at Dallas
O'Toole, Alice J.
, Daniel Cohen, David Cordell, Gregg Dieckmann, John Ferguson, Jeremy Hall, Joe Izen, Kamran Kiasaleh Jamison, Serenity King, Abby Kratz, Emily Tobey, Austin Cunningham, Kayla Klein 1. CALL TO ORDER
AN EQUAL OPPORTUNITY/AFFIRMATIVE ACTION UNIVERSITY The University of Texas at Dallas
O'Toole, Alice J.
: Shawn Alborz, Bobby Alexander, Peter Assman, Kurt Beron, Gail Breen, John Burr, Cy Cantrell, Gregg, Kayla Klein, Austin Cunningham, Blair Flicker 1. CALL TO ORDER, ANNOUNCEMENTS AND QUESTIONS Speaker Leaf
application au calcul: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
of TESLA with 25 micro meter bunches is possible but leads to an additional heat load due... Hlsmann, P; Klein, H 2000-01-01 50 Glueball matrix elements: a lattice...
Informal Report PRELIMINARY EVALUATION OF POTENTIAL
Brookhaven National Laboratory
OF SEDIMENT DECONTAMINATION FACILITIES FOR NEW YORK/NEW JERSEY HARBOR Michael D. Rowe Robert C. Klein Keith W PRELIMINARY EVALUATION OF POTENTIAL OCCUPATIONAL AND PUBLIC HEALTH IMPACTS OF SEDIMENT DECONTAMINATION
University of Saskatchewan Sustainability Assessment
Peak, Derek
· Management for Sustainability · Energy · Transportation · Waste #12;Executive Summary Page 2 of 90 UUniversity of Saskatchewan Sustainability Assessment Prepared by: Kerri Klein Sustainable, Micheal Molaro and Jennifer Menzies) for their confidence in the vision of a sustainable University
Design for a brain revisited: The neuromorphic design and functionality of the interactive
Rutishauser, Ueli
, Rodney J Douglas, Klaus Hepp, David Klein, Jonatas Manzolli1 , Matti Mintz2 , Fabian Roth, Ueli Rutishauser, Klaus Wassermann, Adrian M Whatley, Aaron Wittmann, Reto Wyss, Paul F M J Verschure Institute
Rutishauser, Ueli
Costa, Tobi Delbrück, Rodney J Douglas, Klaus Hepp, David Klein, Jonatas Manzolli1 , Matti Mintz2 Wyss, Paul F M J Verschure Institute of Neuroinformatics, University/ETH Zurich, Switzerland, www
ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2 V2.1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate from Darwin, AU (ARMBE-CLDRAD TWPC3 V2.1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC3)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1 V2.1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate from Manus Island, PNG (ARMBE-CLDRAD TWPC1 V2.1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1)
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
McCoy, Renata; Xie, Shaocheng
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.
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,...
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,...
Klein, Jacob
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) (5Â7, 17, 18) show
Built Environmental Correlates of Traffic Collisions
Yu, Chia-Yuan
2014-07-01T23:59:59.000Z
, & 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...
Klein, Ross Hunter
2011-02-22T23:59:59.000Z
QUALITY OF LIFE ASSESSMENT AS A PRELIMINARY STUDY ON THE SPATIAL APPRAISAL AND VALUATION OF ENVIRONMENT AND ECOSYSTEMS METHODOLOGY A Thesis by ROSS HUNTER KLEIN Submitted to the Office of Graduate Studies of Texas A&M University... Preliminary Study on the Spatial Appraisal and Valuation of Environment and Ecosystems Methodology. (December 2010) Ross Hunter Klein, B.S., Texas A&M University Chair of Advisory Committee: Dr. Douglas Koushen Loh The concept of quality of life (QOL...
Burra G. Sidharth
2009-11-10T23:59:59.000Z
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.
Klein, Kimberly Sue
1990-01-01T23:59:59.000Z
FRON CLASSICAL TO iKNANTIC ORCHllSTRAL NUSIC IN EARLY NINETEENIYl CENTURY LONDON: h SOCIAL-PSYCHOLOGICAL ORIENTATION A Thesis by KINBERLY SUE KLEIN Submitted to the Office of Graduate Studies of Texas ASN University in partial fulfillment... of the requirements for the degree of HASTER OF SCIENCE December 1990 Najor Subject: Sociology FROM CLASSICAL TO ROMANTIC MUSIC IN EARLY NINETEENTH CENTURY LONDON: A SOCIAL-PSYCHOLOGICAL ORIENTATION A Thesis by KINBERLY SUE KLEIN Approved as to the style...
Colavita, E. [Colegio de Ciencia y Tecnología, Universidad Autónoma de la Ciudad de México, México, D.F., 09790 (Mexico)] [Colegio de Ciencia y Tecnología, Universidad Autónoma de la Ciudad de México, México, D.F., 09790 (Mexico); Hacyan, S., E-mail: hacyan@fisica.unam.mx [Instituto de Física, Universidad Nacional Autónoma de México, A. P. 20-364, México D. F., 01000 (Mexico)
2014-03-15T23:59:59.000Z
We analyze the solutions of the Klein–Gordon 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 Klein–Gordon 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 Klein–Gordon and Dirac equations are obtained. •Coherent and displaced number states can describe a relativistic particle.
Improved Bounds on Universal Extra Dimensions
Thomas Flacke
2006-05-13T23:59:59.000Z
We report on recent constraints on models with a flat ``universal'' extra dimension in which all Standard Model fields propagate in the bulk. A significantly improved constraint on the compactification scale is obtained from the extended set of electroweak precision observables accurately measured at LEP1 and LEP2. We find a lower bound of 1/R > 700 (800) GeV at the 99% (95%) confidence level. Comparison of this constraint with the relic density of Kaluza-Klein dark matter for the Minimal UED model points towards the necessity of including non-minimal boundary terms which motivates studying alternative Kaluza-Klein dark matter candidates. Results for the one-loop induced magnetic dipole moment for Kaluza-Klein neutrino dark matter are presented. This talk is based on Phys.Rev.D73:095002,2006 and hep-ph/0601161.
The two faces of sound in BECs
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
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.
Black holes in extra dimensions can decay on the bulk
A. K. Chaudhuri
2003-01-08T23:59:59.000Z
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.
Patterns of role-impairment among alcoholic workers
Goldstein, Carolyn Lesley Klein
1971-01-01T23:59:59.000Z
PATTERNS OF ROLE-INPAIRNENT ANi01'1G ALCOHOLIC WORKERS A Thesis by Carolyn Les1ey Klein Goldstein Submitted to the Graduate College of Texas A&N University ini partial fulfillment of the requirements for the dei-ree of NASTER OP SCIENCE Nay... 1971 Najor Su'oject: Sociology 0 R R, 8 PATTERNS OF ROLE-IMPAIRMENT AMONG ALCOHOLIC WORKERS A Thesis Jh '0 a Ql by Carolyn Lesley Klein Goldstein Approved as to style end content by: Chairman of Committee May 19/1 ABSTRACT Patterns...
Cho, Soochin; Huang, Zachary Y.; Green, Daniel R.; Smith, Deborah R.; Zhang, Jianzhi
2006-10-25T23:59:59.000Z
(Klein 1987; Hughes and Nei 1988; Takahata and Nei 1990; Takahata et al. 1992) and the self-incompatibility genes of flowering plants (Ioerger et al. 1990; Dwyer et al. 1991; Richman et al. 1996; Charlesworth and Awadalla 1998) and fungi (Wu et al. 1998... at the DNA sequence level in two biological systems: the major histo- compatibility complex (MHC) of jawed vertebrates (Klein 1987; Hughes and Nei 1988; Takahata and Nei 1990; Takahata et al. 1992) and the self-incompatibility (SI) system of angiosperms...
Acceleration of particles in Einstein-Maxwell-Dilaton black hole
Pu-Jian Mao; Ran Li; Lin-Yu Jia; Ji-Rong Ren
2011-03-08T23:59:59.000Z
It has been recently pointed out that, under certain conditions, the energy of particles accelerated by black holes in the center-of-mass frame can become arbitrarily high. In this Letter, we study the collision of two particles around the four-dimensional Kaluza-Klein black hole in Einstein-Maxwell-Dilaton theory. We find that the center-of-mass energy for a pair of colliding particles is unlimited at the horizon of charged nonrotating and extremal rotating Kaluza-Klein black hole.
U(1) gauge invariant noncommutative Schroedinger theory and gravity
Muthukumar, B. [Saha Institute of Nuclear Physics, 1/AF, Bidhan nagar, Kolkata-700 064 (India)
2005-05-15T23:59:59.000Z
We consider the complex, massive Klein-Gordon field living in the noncommutative space, and coupled to noncommutative electromagnetic fields. After employing the Seiberg-Witten map to first order, we analyze the noncommutative Klein-Gordon theory as c, which corresponds to the velocity of light, goes to infinity. We show that the theory exhibits a regular 'magnetic' limit only for certain forms of magnetic fields. The resulting theory is nothing but the Schroedinger theory in a gravitational background generated by the gauge fields.
Noncommutative space-time models
N. A. Gromov; V. V. Kuratov
2005-07-01T23:59:59.000Z
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.
McCann, Maureen (Director, Center for Direct Catalytic Conversion of Biomass to Biofuels); C3Bio Staff
2011-11-03T23:59:59.000Z
'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.
3 September 2014 Are our brains wired to ignore climate change?
Pedersen, Tom
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
Pofahl, Geoffrey Michael
2007-04-25T23:59:59.000Z
In the words of Joel I. Klein, former Assistant Attorney General of the United States, Ã¢Â?Â?[a]ntitrust enforcement in the merger area has never been as time-consuming, complex, or as central to the functioning of our economy as it is todayÃ¢Â?Â...
Skadron, Kevin
and Sampling John W. Haskins, Jr. Kevin Skadron Department of Computer Science University of Virginia Charlottesville, VA 22904 fpredator,skadrong@cs.virginia.edu AJ KleinOsowski David J. Lilja Department of Electrical & Computer Engineering University of Minnesota 200 Union St. S.E. Minneapolis, MN 55455 fajko
BLIND CHANNEL SHORTENERS C. R. Johnson, Jr., R. K. Martin, J. M. Walsh,
Klein, Andrew G.
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
Surface Light Field Rendering for Virtual Product Design
Behnke, Sven
Surface Light Field Rendering for Virtual Product Design Jan MESETH, Gero MÃ?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
Een robotvogel die zo natuurge-trouw vliegt dat andere vogels er
Twente, Universiteit
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
Shefi, Orit
-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
Radiation reaction and quantum damped harmonic oscillator
F. Kheirandish; M. Amooshahi
2005-07-19T23:59:59.000Z
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
Dezernat fr Internationale Angelegenheiten / Akademisches Auslandsamt
Heermann, Dieter W.
) Adagio sostenuto e espressivo Allegro molto piu tosto presto Rondo Allegro Anton WEBERN Drei kleine Robert SCHUMANN Adagio und Allegro für Cello und Klavier As-dur op. 70 (1849) (1810 1856) Dmitri SCHOSTAKOWITSCH Sonate für Violoncello und Klavier op. 40 (1934) (1906 1975) Allegro non troppo Allegro Largo
Mining Induced Seismicity -Monitoring of a Large Scale Salt Cavern Collapse
Paris-Sud XI, Université de
Mining Induced Seismicity - Monitoring of a Large Scale Salt Cavern Collapse E. Klein* (Ineris), I ground failure phenomenon induced by old underground mining works, a field experiment was undertaken in collaboration with the SOLVAY mining company: a solution mine was instrumented in 2004 previously to its
Aggarwal, M. M.; Ahammed, Z.; Alakhverdyants, A. V.; Alekseev, I.; Alford, J.; Anderson, B. D.; Arkhipkin, D.; Averichev, G. S.; Balewski, J.; Barnby, L. S.; Baumgart, S.; Beavis, D. R.; Bellwied, R.; Betancourt, M. J.; Betts, R. R.; Bhasin, A.; Bhati, A. K.; Bichsel, H.; Bielcik, J.; Bielcikova, J.; Biritz, B.; Bland, L. C.; Bonner, B. E.; Bouchet, J.; Braidot, E.; Brandin, A. V.; Bridgeman, A.; Bruna, E.; Bueltmann, S.; Bunzarov, I.; Burton, T. P.; Cai, X. Z.; Caines, H.; Sanchez, M. Calderon de la Barca; Catu, O.; Cebra, D.; Cendejas, R.; Cervantes, M. C.; Chajecki, Z.; Chaloupka, P.; Chattopadhyay, S.; Chen, H. F.; Chen, J. H.; Chen, J. Y.; Cheng, J.; Cherney, M.; Chikanian, A.; Choi, K. E.; Christie, W.; Chung, P.; Clarke, R. F.; Codrington, M. J. M.; Corliss, R.; Cramer, J. G.; Crawford, H. J.; Das, D.; Dash, S.; Leyva, A. Davila; De Silva, L. C.; Debbe, R. R.; Dedovich, T. G.; Derevschikov, A. A.; de Souza, R. Derradi; Didenko, L.; Djawotho, P.; Dogra, S. M.; Dong, X.; Drachenberg, J. L.; Draper, J. E.; Dunlop, J. C.; Mazumdar, M. R. Dutta; Efimov, L. G.; Elhalhuli, E.; Elnimr, M.; Engelage, J.; Eppley, G.; Erazmus, B.; Estienne, M.; Eun, L.; Evdokimov, O.; Fachini, P.; Fatemi, R.; Fedorisin, J.; Fersch, R. G.; Filip, P.; Finch, E.; Fine, V.; Fisyak, Y.; Gagliardi, Carl A.; Gangadharan, D. R.; Ganti, M. S.; Garcia-Solis, E. J.; Geromitsos, A.; Geurts, F.; Ghazikhanian, V.; Ghosh, P.; Gorbunov, Y. N.; Gordon, A.; Grebenyuk, O.; Grosnick, D.; Guertin, S. M.; Gupta, A.; Gupta, N.; Guryn, W.; Haag, B.; Hamed, A.; Han, L. -X; Harris, J. W.; Hays-Wehle, J. P.; Heinz, M.; Heppelmann, S.; Hirsch, A.; Hjort, E.; Hoffman, A. M.; Hoffmann, G. W.; Hofman, D. J.; Horner, M. J.; Huang, B.; Huang, H. Z.; Humanic, T. J.; Huo, L.; Igo, G.; Jacobs, P.; Jacobs, W. W.; Jena, C.; Jin, F.; Jones, C. L.; Jones, P. G.; Joseph, J.; Judd, E. G.; Kabana, S.; Kajimoto, K.; Kang, K.; Kapitan, J.; Kauder, K.; Keane, D.; Kechechyan, A.; Kettler, D.; Kikola, D. P.; Kiryluk, J.; Kisiel, A.; Klein, S. R.; Knospe, A. G.; Kocoloski, A.; Koetke, D. D.; Kollegger, T.; Konzer, J.; Koralt, I.; Koroleva, L.; Korsch, W.; Kotchenda, L.; Kouchpil, V.; Kravtsov, P.; Krueger, K.; Krus, M.; Kumar, L.; Kurnadi, P.; Lamont, M. A. C.; Landgraf, J. M.; LaPointe, S.; Lauret, J.; Lebedev, A.; Lednicky, R.; Lee, C. -H; Lee, J. H.; Leight, W.; LeVine, M. J.; Li, C.; Li, L.; Li, N.; Li, W.; Li, X.; Li, X.; Li, Y.; Li, Z. M.; Lin, G.; Lindenbaum, S. J.; Lisa, M. A.; Liu, F.; Liu, H.; Liu, J.; Ljubicic, T.; Llope, W. J.; Longacre, R. S.; Love, W. A.; Lu, Y.; Luo, X.; Ma, G. L.; Ma, Y. G.; Mahapatra, D. P.; Majka, R.; Mall, O. I.; Mangotra, L. K.; Manweiler, R.; Margetis, S.; Markert, C.; Masui, H.; Matis, H. S.; Matulenko, Yu A.; McDonald, D.; McShane, T. S.; Meschanin, A.; Milner, R.; Minaev, N. G.; Mioduszewski, Saskia; Mischke, A.; Mitrovski, M. K.; Mohanty, B.; Mondal, M. M.; Morozov, B.; Morozov, D. A.; Munhoz, M. G.; Nandi, B. K.; Nattrass, C.; Nayak, T. K.; Nelson, J. M.; Netrakanti, P. K.; Ng, M. J.; Nogach, L. V.; Nurushev, S. B.; Odyniec, G.; Ogawa, A.; Okorokov, V.; Oldag, E. W.; Olson, D.; Pachr, M.; Page, B. S.; Pal, S. K.; Pandit, Y.; Panebratsev, Y.; Pawlak, T.; Peitzmann, T.; Perevoztchikov, V.; Perkins, C.; Peryt, W.; Phatak, S. C.; Pile, P.; Planinic, M.; Ploskon, M. A.; Pluta, J.; Plyku, D.; Poljak, N.; Poskanzer, A. M.; Potukuchi, B. V. K. S.; Powell, C. B.; Prindle, D.; Pruneau, C.; Pruthi, N. K.; Pujahari, P. R.; Putschke, J.; Raniwala, R.; Raniwala, S.; Ray, R. L.; Redwine, R.; Reed, R.; Ritter, H. G.; Roberts, J. B.; Rogachevskiy, O. V.; Romero, J. L.; Rose, A.; Roy, C.; Ruan, L.; Sahoo, R.; Sakai, S.; Sakrejda, I.; Sakuma, T.; Salur, S.; Sandweiss, J.; Sangaline, E.; Schambach, J.; Scharenberg, R. P.; Schmitz, N.; Schuster, T. R.; Seele, J.; Seger, J.; Selyuzhenkov, I.; Seyboth, P.; Shahaliev, E.; Shao, M.; Sharma, M.; Shi, S. S.; Sichtermann, E. P.; Simon, F.; Singaraju, R. N.; Skoby, M. J.; Smirnov, N.; Sorensen, P.; Sowinski, J.; Spinka, H. M.; Srivastava, B.; Stanislaus, T. D. S.; Staszak, D.; Stevens, J. R.; Stock, R.; Strikhanov, M.; Stringfellow, B.; Suaide, A. A. P.; Suarez, M. C.; Subba, N. L.; Sumbera, M.; Sun, X. M.; Sun, Y.; Sun, Z.; Surrow, B.; Svirida, D. N.; Symons, T. J. M.; de Toledo, A. Szanto; Takahashi, J.; Tang, A. H.; Tang, Z.; Tarini, L. H.; Tarnowsky, T.; Thein, D.; Thomas, J. H.; Tian, J.; Timmins, A. R.; Timoshenko, S.; Tlusty, D.; Tokarev, M.; Trainor, T. A.; Tram, V. N.; Trentalange, S.; Tribble, Robert E.; Tsai, O. D.; Ulery, J.; Ullrich, T.; Underwood, D. G.; Van Buren, G.; van Leeuwen, M.; van Nieuwenhuizen, G.; Vanfossen, J. A., Jr.; Varma, R.; Vasconcelos, G. M. S.; Vasiliev, A. N.; Videbaek, F.; Viyogi, Y. P.; Vokal, S.; Voloshin, S. A.; Wada, M.; Walker, M.; Wang, F.; Wang, G.
2010-01-01T23:59:59.000Z
. Klein,22 A. G. Knospe,53 A. Kocoloski,23 D. D. Koetke,47 T. Kollegger,12 J. Konzer,34 I. Koralt,30 L. Koroleva,16 W. Korsch,20 L. Kotchenda,26 V. Kouchpil,11 P. Kravtsov,26 K. Krueger,1 M. Krus,10 L. Kumar,19 P. Kurnadi,6 M. A. C. Lamont,3 J. M...
Abelev, B. I.; Aggarwal, M. M.; Ahammed, Z.; Alakhverdyants, A. V.; Anderson, B. D.; Arkhipkin, D.; Averichev, G. S.; Balewski, J.; Barnby, L. S.; Baumgart, S.; Beavis, D. R.; Bellwied, R.; Benedosso, F.; Betancourt, M. J.; Betts, R. R.; Bhasin, A.; Bhati, A. K.; Bichsel, H.; Bielcik, J.; Bielcikova, J.; Biritz, B.; Bland, L. C.; Bonner, B. E.; Bouchet, J.; Braidot, E.; Brandin, A. V.; Bridgeman, A.; Bruna, E.; Bueltmann, S.; Bunzarov, I.; Burton, T. P.; Cai, X. Z.; Caines, H.; Sanchez, M. Calderon de la Barca; Catu, O.; Cebra, D.; Cendejas, R.; Cervantes, M. C.; Chajecki, Z.; Chaloupka, P.; Chattopadhyay, S.; Chen, H. F.; Chen, J. H.; Chen, J. Y.; Cheng, J.; Cherney, M.; Chikanian, A.; Choi, K. E.; Christie, W.; Chung, P.; Clarke, R. F.; Codrington, M. J. M.; Corliss, R.; Cramer, J. G.; Crawford, H. J.; Das, D.; Dash, S.; Leyva, A. Davila; De Silva, L. C.; Debbe, R. R.; Dedovich, T. G.; DePhillips, M.; Derevschikov, A. A.; de Souza, R. Derradi; Didenko, L.; Djawotho, P.; Dogra, S. M.; Dong, X.; Drachenberg, J. L.; Draper, J. E.; Dunlop, J. C.; Mazumdar, M. R. Dutta; Efimov, L. G.; Elhalhuli, E.; Elnimr, M.; Engelage, J.; Eppley, G.; Erazmus, B.; Estienne, M.; Eun, L.; Evdokimov, O.; Fachini, P.; Fatemi, R.; Fedorisin, J.; Fersch, R. G.; Filip, P.; Finch, E.; Fine, V.; Fisyak, Y.; Gagliardi, Carl A.; Gangadharan, D. R.; Ganti, M. S.; Garcia-Solis, E. J.; Geromitsos, A.; Geurts, F.; Ghazikhanian, V.; Ghosh, P.; Gorbunov, Y. N.; Gordon, A.; Grebenyuk, O.; Grosnick, D.; Grube, B.; Guertin, S. M.; Gupta, A.; Gupta, N.; Guryn, W.; Haag, B.; Hallman, T. J.; Hamed, A.; Han, L. -X; Harris, J. W.; Hays-Wehle, J. P.; Heinz, M.; Heppelmann, S.; Hirsch, A.; Hjort, E.; Hoffman, A. M.; Hoffmann, G. W.; Hofman, D. J.; Hollis, R. S.; Huang, H. Z.; Humanic, T. J.; Huo, L.; Igo, G.; Iordanova, A.; Jacobs, P.; Jacobs, W. W.; Jakl, P.; Jena, C.; Jin, F.; Jones, C. L.; Jones, P. G.; Joseph, J.; Judd, E. G.; Kabana, S.; Kajimoto, K.; Kang, K.; Kapitan, J.; Kauder, K.; Keane, D.; Kechechyan, A.; Kettler, D.; Kikola, D. P.; Kiryluk, J.; Kisiel, A.; Klein, S. R.; Knospe, A. G.; Kocoloski, A.; Koetke, D. D.; Kollegger, T.; Konzer, J.; Kopytine, M.; Koralt, I.; Korsch, W.; Kotchenda, L.; Kouchpil, V.; Kravtsov, P.; Krueger, K.; Krus, M.; Kumar, L.; Kurnadi, P.; Lamont, M. A. C.; Landgraf, J. M.; LaPointe, S.; Lauret, J.; Lebedev, A.; Lednicky, R.; Lee, C. -H; Lee, J. H.; Leight, W.; LeVine, M. J.; Li, C.; Li, L.; Li, N.; Li, W.; Li, X.; Li, X.; Li, Y.; Li, Z.; Lin, G.; Lindenbaum, S. J.; Lisa, M. A.; Liu, F.; Liu, H.; Liu, J.; Ljubicic, T.; Llope, W. J.; Longacre, R. S.; Love, W. A.; Lu, Y.; Ma, G. L.; Ma, Y. G.; Mahapatra, D. P.; Majka, R.; Mall, O. I.; Mangotra, L. K.; Manweiler, R.; Margetis, S.; Markert, C.; Masui, H.; Matis, H. S.; Matulenko, Yu A.; McDonald, D.; McShane, T. S.; Meschanin, A.; Milner, R.; Minaev, N. G.; Mioduszewski, Saskia; Mischke, A.; Mitrovski, M. K.; Mohanty, B.; Mondal, M. M.; Morozov, D. A.; Munhoz, M. G.; Nandi, B. K.; Nattrass, C.; Nayak, T. K.; Nelson, J. M.; Netrakanti, P. K.; Ng, M. J.; Nogach, L. V.; Nurushev, S. B.; Odyniec, G.; Ogawa, A.; Okada, H.; Okorokov, V.; Olson, D.; Pachr, M.; Page, B. S.; Pal, S. K.; Pandit, Y.; Panebratsev, Y.; Pawlak, T.; Peitzmann, T.; Perevoztchikov, V.; Perkins, C.; Peryt, W.; Phatak, S. C.; Pile, P.; Planinic, M.; Ploskon, M. A.; Pluta, J.; Plyku, D.; Poljak, N.; Poskanzer, A. M.; Potukuchi, B. V. K. S.; Powell, C. B.; Prindle, D.; Pruneau, C.; Pruthi, N. K.; Pujahari, P. R.; Putschke, J.; Raniwala, R.; Raniwala, S.; Ray, R. L.; Redwine, R.; Reed, R.; Rehberg, J. M.; Ritter, H. G.; Roberts, J. B.; Rogachevskiy, O. V.; Romero, J. L.; Rose, A.; Roy, C.; Ruan, L.; Russcher, M. J.; Sahoo, R.; Sakai, S.; Sakrejda, I.; Sakuma, T.; Salur, S.; Sandweiss, J.; Sangaline, E.; Schambach, J.; Scharenberg, R. P.; Schmitz, N.; Schuster, T. R.; Seele, J.; Seger, J.; Selyuzhenkov, I.; Seyboth, P.; Shahaliev, E.; Shao, M.; Sharma, M.; Shi, S. S.; Sichtermann, E. P.; Simon, F.; Singaraju, R. N.; Skoby, M. J.; Smirnov, N.; Sorensen, P.; Sowinski, J.; Spinka, H. M.; Srivastava, B.; Stanislaus, T. D. S.; Staszak, D.; Stevens, J. R.; Stock, R.; Strikhanov, M.; Stringfellow, B.; Suaide, A. A. P.; Suarez, M. C.; Subba, N. L.; Sumbera, M.; Sun, X. M.; Sun, Y.; Sun, Z.; Surrow, B.; Symons, T. J. M.; de Toledo, A. Szanto; Takahashi, J.; Tang, A. H.; Tang, Z.; Tarini, L. H.; Tarnowsky, T.; Thein, D.; Thomas, J. H.; Tian, J.; Timmins, A. R.; Timoshenko, S.; Tlusty, D.; Tokarev, M.; Trainor, T. A.; Tram, V. N.; Trentalange, S.; Tribble, Robert E.; Tsai, O. D.; Ulery, J.; Ullrich, T.; Underwood, D. G.; Van Buren, G.; van Nieuwenhuizen, G.; Vanfossen, J. A., Jr.; Varma, R.; Vasconcelos, G. M. S.; Vasiliev, A. N.; Videbaek, F.; Viyogi, Y. P.; Vokal, S.; Voloshin, S. A.; Wada, M.
2010-01-01T23:59:59.000Z
. Kisiel,48 S. R. Klein,21 A. G. Knospe,52 A. Kocoloski,22 D. D. Koetke,46 T. Kollegger,12 J. Konzer,33 M. Kopytine,18 I. Koralt,29 W. Korsch,19 L. Kotchenda,25 V. Kouchpil,11 P. Kravtsov,25 K. Krueger,1 M. Krus,10 L. Kumar,30 P. Kurnadi,6 M. A. C. Lamont...
Paris-Sud XI, Université de
for calibration of permanent microseismic early-warning systems I. Contrucci (1), E. Klein (1), P. Bigarré (1), A, microseismicity, early warning system, 3D location, velocity model 1. Introduction In the Lorraine area of Eastern-time microseismic monitoring systems are being installed. The objective is to detect remote rock mass fracturing
A Guided Internship For High School Students Using iRobot Create
Hespanha, JoÃ£o Pedro
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
Relativistic Wave Equations and Compton Scattering
B. A. Robson; S. H. Sutanto
2006-05-25T23:59:59.000Z
The recently proposed eight-component relativistic wave equation is applied to the scattering of a photon from a free electron (Compton scattering). It is found that in spite of the considerable difference in the structure of this equation and that of Dirac the cross section is given by the Klein-Nishina formula.
letters to nature NATURE |VOL 415 |28 FEBRUARY 2002 |www.nature.com 991
Gurnett, Donald A.
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
Unsupervised syntactic chunking with acoustic cues: computational models for prosodic bootstrapping
Edinburgh, University of
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
Columbia University The Italian Academy for Advanced Studies
Lazar, Aurel A.
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
Gunsch Jesse Andrew SR COE Spring 2009 Dean's List With Distinction
Wong, Pak Kin
, 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
Geology 460:301 Fall 2007 Mineralogy Lab
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
Meeting of the CCSM Scientific Steering Committee Eldorado Hotel, Santa Fe, New Mexico
.) Process-oriented Modeling of the Physical Climate System - Significant biases in CCSM3 controls (BillMeeting of the CCSM Scientific Steering Committee Eldorado Hotel, Santa Fe, New Mexico Anasazi) - Parameterization methodologies (Leo Donner/Steve Klein) - Coupled Chemistry/Climate Modeling - WACCM (Byron Boville
Sliding Friction with Polymer Brushes Rafael Tadmor,* Joanna Janik,
Klein, Jacob
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
Acton, Scott
-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
Bose-Einstein Condensation in Compactified Spaces
Kiyoshi Shiraishi
2012-11-26T23:59:59.000Z
We discuss the thermodynamic potential of a charged Bose gas with the chemical potential in arbitrary dimensions. The critical temperature for Bose-Einstein condensation is investigated. In the case of the compactified background metric, it is shown that the critical temperature depends on the size of the extra spaces. The asymmetry of the "Kaluza-Klein charge" is also discussed.
Indiana Energy Exploring Emerging
Ginzel, Matthew
of these programs. Anna Chittum, American Council for an Energy- Efficiency Economy (ACEEE) Alternative Fuels/Natural Gas Fueling It had to happen sooner or later. Natural Gas is considered a much cleaner fuel than petroleum. Are we gradually making the shift to increase the demand for natural gas? Marc D. Klein, Clean
Fred H. Rodriguez ('75) Kenneth N. Adatto ('68)
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
PD Dr. Martin Stetter, Siemens AG 1 Optimierungsverfahren
Popeea, Corneliu - Chair for Foundations of Software Reliability and Theoretical Computer Science
PD Dr. Martin Stetter, Siemens AG 1 Optimierungsverfahren · Optimierung konvexer Funktionen: Optimierungsverfahren #12;PD Dr. Martin Stetter, Siemens AG 2 Optimierung konvexer Funktionen · Häufiges Problem bei Stetter, Siemens AG 3 Funktionen einer Variable )(wF · 1D-Gradientenabstieg: Gehe ein kleines Stück
Lehmann, Johannes
), 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 objectives, drivers, actions, policies and time horizons are crucial. Once these issues are transparent
Large-Eddy Simulations of a Drizzling, Stratocumulus-Topped Marine Boundary
Stevens, Bjorn
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
5D gravity and the discrepant G measurements
J. P. Mbelek
2003-11-26T23:59:59.000Z
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.
Timelike reduction and T-duality
Scuro, Sante Rodolfo
1999-01-01T23:59:59.000Z
expressions for the Killing sailors in Anti-de Sitter spacetime of odd dimension with respect to the field reparametrization in the bosonic sector. In addition, we perform Kaluza-Klein reduction along the time direction of D = 10 type IIB theory to D = 9. Then...
Institut fur Mathematik SS 2008 Prof. Dr. Christian Kanzow
Kanzow, Christian
.00000000000000 -0.31687595261688 Nach drei Iterationen tritt Deflation auf. Bezeichnen wir den oberen 4Ã?4ÂBlock 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 Ã? 2ÂMatrix kÂ¨onnen explizit berechnet
Oecologia (2006) 149:493504 DOI 10.1007/s00442-006-0467-3
Srivastava, Diane
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
Comparison Between Different Numerical Methods for Discretization of PDEs - A Short Review
Mehra, Mani; Patel, Nutan; Kumar, Rahul [Indian Institute of Technology Delhi, Hauz Khas, New Delhi-110116 (India)
2010-09-30T23:59:59.000Z
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.
ADVANCED OPTICS II, PHYC/ECE 554, UNM Spring 2009 Instructor: Mani Hossein-Zadeh
New Mexico, University of
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
Paris-Sud XI, Université de
CAMI-AFT: A SCIENTIFIC FIELD EXPERIMENT TO CALIBRATE REAL-TIME MONITORING SYSTEMS DEDICATED the source energy to the sensor energy. KEYWORDS: Microseismic monitoring, Post-mining risks. RESUME : les TO THE MANAGEMENT OF POST-MINING RISKS CONTRUCCI Isabelle1 , KLEIN Emmanuelle1 , BIGARRE Pascal1 , LIZEUR Armand1
Behnke, Sven
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
Zachmann, Gabriel
Proximity Graphs Jan Klein a and Gabriel Zachmann b a Heinz Nixdorf Institute and Institute of Computer@cs.uniÂbonn.de (Gabriel Zachmann). In this paper, we present a new definition of a surface over a given point cloud
ANALYSIS OF SHORT-TERM SOLAR RADIATION DATA Gayathri Vijayakumar
Wisconsin at Madison, University of
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
Paris-Sud XI, Université de
, and possible cooling schemes, e.g. introduc- ing a tri-ring system with fast laser cooling in the cen- tral, PSI, Villigen, Switzerland; M. Klein, U. Liverpool, UK Abstract The full physics program of a future/deceleration cycles, and by cool- ing them, e.g., with a compact tri-ring scheme or a con- ventional damping ring
Organically modified silicate coatings for optical fibers A. B. Wojcik
Matthewson, M. John
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
Centrifugal deformations of the gravitational kink
Paolo Maraner; Jiannis K. Pachos
2008-11-29T23:59:59.000Z
The Kaluza-Klein reduction of 4d conformally flat spacetimes is reconsidered. The corresponding 3d equations are shown to be equivalent to 2d gravitational kink equations augmented by a centrifugal term. For space-like gauge fields and non-trivial values of the centrifugal term the gravitational kink solutions describe a spacetime that is divided in two disconnected regions.
Elmer C. Easton '31 '33G '65H ++ Edgar H. Howells '34 '68P* ++
Napier, Terrence
1931 Elmer C. Easton '31 '33G '65H ++ 1934 Edgar H. Howells '34 '68P* ++ A. William Lubbers '34 ++ Edgar F. Whitmore, Jr. '40 ++ 1941 John B. Atherholt '41 '08GP ++ John P. Beal, Jr. '41 ++ Frederick C. Edward Klein '42 ++ Richard M. Luckring '42* Edgar K. Muhlhausen '42 '48G John T. Ransom II '42* David E
SST spatial anisotropic covariances from METOP-AVHRR data
Boyer, Edmond
of SST data to track, characterize and reconstruct mesoscale dynamics (cf. Klein et al. (2009); Isern et and modeling of mesoscale SST variability appears crucial to provide interpolation priors. The temporal)). However, to our knowledge, no study has explored thor- oughly at a global-scale these mesoscale spatial
Grossman, Lawrence
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
A Comprehensive Analysis of MicroProteins Reveals Their Potentially Widespread Mechanism of
of Transcriptional Regulation1[W] Enrico Magnani*, Niek de Klein, Hye-In Nam, Jung-Gun Kim, Kimberly Pham, Elisa thaliana) using a bioinformatics pipeline and validated two novel miPs involved in flowering time. Overall, we reveal a prominent layer of transcriptional regulation by miPs, show pervasiveness
Maria Fernandez-Gimenez, Associate Professor, specializes in rangeland
at Colorado State University prepares students to understand and manage rangeland plant, soil, and animal and cultural issues in rangeland management and collaborative ecosystem management. Warner College of Natural of sustainability, and poisonous plants. Julia Klein, Assistant Professor, specializes in ecosystem ecology, global
Emission of scalar particles from cylindrical black holes
H. Gohar; K. Saifullah
2011-09-27T23:59:59.000Z
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.
Program Thursday, March 10, 2011 UNIVERSITY of DELAWARE
Firestone, Jeremy
.m. Welcome - UDEI Michael Klein - Director, UD Energy Institute UD Perspective on Energy Mark Barteau, Institute of Energy Conversion 11:15 a.m. Solar Hydrogen Robert Opila - Professor, Materials ScienceProgram Thursday, March 10, 2011 UNIVERSITY of DELAWARE Energy Institute Annual Symposium www.energy
Boyer, Edmond
GRADIENTS IN PLASTICALLY DEFORMED NIOBIUM SINGLE CRYSTALS H.U. Habermeier, W. Klein and H. Kronmiiller de Shubnikov dans des monocristaux d niobium dGformds plastiquement. L'anisotropie de l'inter- action of the Faraday magneto-optical technique the penetration of the Shubnikov phase into plastically deformed niobium
Waller Creek Urban Redevelopment
McDonald, S.
2013-01-01T23:59:59.000Z
;#8;#29; Marie Crane#0;#8;#29; Russell Douglass#0;#8;#29; Sue Edwards#0;#8;#29; Gary Farmer#0;#8;#29; Jeanne Klein#0;#8;#29; Teresa Long Eduardo Margain#0;#8;#29; Chris Mattsson Tom Meredith#0;#8;#29; Leslie Moore#0;#8;#29; Eva Muñoz#0;#8;#29; Erin Nelson#0...
Theory and Development of Near-field Plates Seyedmohammadreza Faghih Imani
Sarabandi, Kamal
Johnson, Michelle Chapman, Karen Liska, and Beth Stalnaker who have been of great assistance over the last, Ali Besharatian, Kara Moser, Jennifer Klein, Farhad Bayatpur, Ahmad iii #12;Beirami, Pooyan Amini, Meisam Razaviyayn, Ali Moayedi, and Pedram Radmanesh. You have been a wonderful source of support
Lenstra, Arjen K.
1 The JET Alfvén Eigenmode Local Manager for the real-time detection and tracking of a frequency,5 , A.Klein6 , P.Lavanchy1 , T.Panis1 , and JET-EFDA contributors JET-EFDA, Culham Science Centre, OX14, FR [3] Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, UK [4] formerly: JET Joint
Kunstmatige Intelligentie (AI) Hoofdstuk 4.1.4 van Russell/Norvig = [RN
Kosters, Walter
10001000100 01101011001 9 #12;AI--Genetische algoritmen Mutatie Bij mutatie wordt elke bit van een individu met een zekere (kleine) kans, de mutation rate, omgeklapt. Een andere optie is om van elk individu een potenti¨ele oplossing, bij- voorbeeld met een "hill-climber". 10 #12;AI--Genetische algoritmen Voorbeeld
ABP1 Mediates Auxin Inhibition of Clathrin-Dependent
Jones, Alan M.
,1,2,11 Ju¨ rgen Kleine-Vehn,1,2,11 Elke Barbez,1,2 Michael Sauer,1,2,12 Tomasz Paciorek,1,2 Pawel and Pharmacology, University of North Carolina, Chapel Hill, NC 27599, USA 9Institute for Applied Genetics and Cell
Dimensionality and the Cosmological Constant
Z. C. Wu
2006-05-01T23:59:59.000Z
In the Kaluza-Klein model with a cosmological constant and a flux, the external spacetime and its dimension of the created universe from a $S^s \\times S^{n-s}$ seed instanton can be identified in quantum cosmology. One can also show that in the internal space the effective cosmological constant is most probably zero.
that these asymmetries are particularly sensitive to the exchange of KaluzaÂKlein towers of gravitons, or other spinÂ2 of Energy, Contract DEÂAC03Â76SF00515 #12; 1 Introduction New Physics beyond the Standard Model (SM and asymmetries, which grow with increasing energy. This last possibility signals the existence of new physics
that these asymmetries are particularly sensitive to the exchange of KaluzaÂKlein towers of gravitons, or other spinÂ2 of Energy, Contract DEÂAC03Â76SF00515 #12; 1 Introduction New Physics beyond the Standard Model (SM and asymmetries, which grow with increasing energy. This last possibility signals the existence of new physics
Faculty Research Professor Jim Alexander
Cohen, Itai
interactions. But until we get enough data from very high energy collisions, we can't know what the right collecting data at 7-TeVcenter-of-mass energy -- high enough to begin to probe the crucial region where new rather similar, especially in LHC data. Will our initially very limited view up the Kaluza-Klein towers
15 JANUARY 2003 393M A J D A A N D K L E I N 2003 American Meteorological Society
Majda, Andrew J.
Multiscale Models for the Tropics ANDREW J. MAJDA Courant Institute of Mathematical Sciences, and Center for Atmosphere/Ocean Science, New York University, New York, New York RUPERT KLEIN FB Mathematik and Informatik that through complex in- teraction of heating and convection, tropical atmospher- ic flows are organized
LBL RUNAROUND RESULTS 3.00 km (1.86 mi) September 22, 1995 Dummy first body page
1 5 10:40.0 Greg Klunder 30-39 4 6 10:40.8 Stephen Lockett 30-39 5 7 10:41.7 Greg Klein 30-39 6 8 10 Huesman Tom West 40-49 3 57 12:48.7 Mohan Kalyanaraman :34.3 Stephen Leland
Cottrell, Garrison W.
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
Impact of Low-Level Jets on the Nocturnal Urban Heat Island Intensity in Oklahoma City
Xue, Ming
Impact of Low-Level Jets on the Nocturnal Urban Heat Island Intensity in Oklahoma City XIAO-MING HU Center for Analysis and Prediction of Storms, University of Oklahoma, Norman, Oklahoma PETRA M. KLEIN AND MING XUE Center for Analysis and Prediction of Storms and School of Meteorology, University of Oklahoma
Integrable cases of gravitating static isothermal fluid spheres
B. V. Ivanov
2001-07-17T23:59:59.000Z
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.
Kaski, Samuel
Goodman6, Phyllis J Goodman21, Eric J Jacobs22, Aruna Kamineni23, Alison P Klein24,25, Laurence N Kolonel L Giovannucci4,54,55, Michael Goggins56Â58, Megan J Gorman1, Myron Gross59, Christopher A Haiman60
EUROGRAPHICS 2004 / M.-P. Cani and M. Slater (Guest Editors)
Zachmann, Gabriel
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
EUROGRAPHICS 2004 / M.P. Cani and M. Slater (Guest Editors)
Zachmann, Gabriel
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
Radiatively Driven Stellar Winds and Aspherical Mass Stan Owocki
Owocki, Stanley P.
(Castor, Abbott, and Klein 1975) model for radiative driving by scattering in a ensemble of lines from driving, foÂ cussing first on the standard CAK formalism for steady, lineÂdriven stellar winds, University of Delaware, Newark, DE 19716 Abstract. The high luminosity of massive stars can drive substantial
Radiatively Driven Stellar Winds and Aspherical Mass Stan Owocki
Owocki, Stanley P.
(Castor, Abbott, and Klein 1975) model for radiative driving by scattering in a ensemble of lines from driving, fo- cussing first on the standard CAK formalism for steady, line-driven stellar winds, University of Delaware, Newark, DE 19716 Abstract. The high luminosity of massive stars can drive substantial
Assignments Assignment sheets are made available on the course website
Winkel, Matthias
examination on survival models. In some places, the approach is more practically oriented and often placed and D. Oakes: Analysis of Survival Data. Chapman & Hall (1984) This is the classical text on survival for lifetime distributions. The remainder combines the ideas with the interest rate theory of BS4a. Klein
Amplitude of Coulomb scattering for charged scalar field in de Sitter spacetime
Crucean Cosmin
2015-04-16T23:59:59.000Z
The scattering of a charged scalar field on Coulomb potential is studied using solutions of the Klein-Gordon equation which have a definite momentum. One obtains that in contrast with what happens on Minkowski case the modulus of momentum is not conserved in the scattering process on de Sitter space.
Linear harmonic oscillator in spaces with degenerate metrics
N. A. Gromov
2006-03-02T23:59:59.000Z
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.
Timelike reduction and T-duality
Scuro, Sante Rodolfo
1999-01-01T23:59:59.000Z
expressions for the Killing sailors in Anti-de Sitter spacetime of odd dimension with respect to the field reparametrization in the bosonic sector. In addition, we perform Kaluza-Klein reduction along the time direction of D = 10 type IIB theory to D = 9. Then...
Management and Accounting The Jesse H. Jones Graduate School of Management
Richards-Kortum, Rebecca
Cording Utpal Dholakia Jill Foote Gustavo Grullon Michael B. Heeley Lisa R. Klein Sharon F. Matusik Thomas Marie Ainsworth Paul S. Allen Stephen J. Banks Marc Boom Cheyenne Currall Rodney Eads Jerry E. Finger Lawrence Hampton John Kehoe Pamela Kennedy Steven F. Koch Pilar Llusa James P. Mandel Dennis E. Murphree
Path Integrals and Lorentz Violation in Polymer Quantized Scalar Fields
Nirmalya Kajuri
2014-07-01T23:59:59.000Z
We obtain a path integral formulation of polymer quantized scalar field theory, starting from the Hilbert Space framework. This brings the polymer quantized scalar field theory under the ambit of Feynman diagrammatic techniques. The path integral formulation also shows that Lorentz invariance is lost for the Klein-Gordon field.
Quantum dots and etch-induced depletion of a silicon two-dimensional electron gas
Coppersmith, Susan N.
Quantum dots and etch-induced depletion of a silicon two-dimensional electron gas L. J. Klein, K. L coupled quantum dots containing individual electrons whose spins act as qubits.4 We have made recent in a silicon quantum dot can be held constant for up to 11 hours. This fulfills an important milestone towards
BIOMIMETIC SURVIVAL HYDRODYNAMICS AND FLOW SENSING
Daraio, Chiara
;May 2014 5 Robotic Tuna with 3,000 parts #12;May 2014 6 LEFT: Karman street vortices behind an island (Re=1011) f D/U = 0.20 Re=150 BELOW: Reverse Karman street vortices behind a robotic tuna (Re=105) f A is removed leaving a free vortex May 2014 17 #12;"Thought experiment" by Klein (1910): Removing a spoon
Interactions between Mica Surfaces in a Polystyrene-Cyclopentane Solution Near the O-Temperature
Klein, Jacob
'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
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
Geometrical Methods in Gauge Theory
Henrique de A. Gomes
2006-10-25T23:59:59.000Z
In this work we explore the geometrical interpretation of gauge theories through the formalism of fiber bundles. Moreover, we conduct an investigation in the topology of fiber bundles, providing a proof of the Classification Theorem. In the last chapter we present some applications, such as electromagnetism and generalized Kaluza-Klein Theory.
The branching programme of mouse lung development
Klein, Ophir
ARTICLES The branching programme of mouse lung development Ross J. Metzger1 {, Ophir D. Klein2 {, Gail R. Martin2 & Mark A. Krasnow1 Mammalian lungs are branched networks containing thousands by three geometrically simple local modes of branching used in three different orders throughout the lung
The hydrino and other unlikely states
Norman Dombey
2006-08-08T23:59:59.000Z
We discuss the tightly bound (hydrino) solution of the Klein-Gordon equation for the Coulomb potential in 3 dimensions. We show that a similarly tightly bound state occurs for the Dirac equation in 2 dimensions. These states are unphysical since they disappear if the nuclear charge distribution is taken to have an arbitrarily small but non-zero radius.
On the hydrino state of the relativistic hydrogen atom
Jan Naudts
2005-08-05T23:59:59.000Z
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.
Orthogonality criterion for banishing hydrino states from standard quantum mechanics
Antonio S. de Castro
2007-04-30T23:59:59.000Z
Orthogonality criterion is used to shown in a very simple and general way that anomalous bound-state solutions for the Coulomb potential (hydrino states) do not exist as bona fide solutions of the Schr\\"{o}dinger, Klein-Gordon and Dirac equations.
On the hydrino state of the relativistic hydrogen atom
Naudts, J
2005-01-01T23:59:59.000Z
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.
The hydrino and other unlikely states
Dombey, N
2006-01-01T23:59:59.000Z
We discuss the tightly bound (hydrino) solution of the Klein-Gordon equation for the Coulomb potential in 3 dimensions. We show that a similarly tightly bound state occurs for the Dirac equation in 2 dimensions. These states are unphysical since they disappear if the nuclear charge distribution is taken to have an arbitrarily small but non-zero radius.
Orthogonality criterion for banishing hydrino states from standard quantum mechanics
de Castro, Antonio S
2007-01-01T23:59:59.000Z
Orthogonality criterion is used to shown in a very simple and general way that anomalous bound-state solutions for the Coulomb potential (hydrino states) do not exist as bona fide solutions of the Schr\\"{o}dinger, Klein-Gordon and Dirac equations.
Klein, Jacob
enrichment and of wetting A. Budkowski,a) F. Scheffold, and J. Klein Department of Materials and Interfaces model systems, surface enrichment from polymer blends has clear technological implications-same mixtures--surface enrichment characteristics of the air- surface preferred phases. In these binary pairs
Landau levels of scalar QED in time-dependent magnetic fields
Kim, Sang Pyo, E-mail: sangkim@kunsan.ac.kr
2014-05-15T23:59:59.000Z
The Landau levels of scalar QED undergo continuous transitions under a homogeneous, time-dependent magnetic field. We analytically formulate the Klein–Gordon 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 Klein–Gordon 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.
Stationary states of fermions in a sign potential with a mixed vector–scalar coupling
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
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 Sturm–Liouville 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 Klein’s 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 Sturm–Liouville perspective. •An isolated bounded solution. •No pair production despite the high localization. •No bounded solution under exact spin and pseudospin symmetries.
Dirac equation in low dimensions: The factorization method
J. A. Sanchez-Monroy; C. J. Quimbay
2014-09-30T23:59:59.000Z
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.
Probing Large Extra Dimensions With IceCube
Arman Esmaili; O. L. G. Peres; Zahra Tabrizi
2014-12-02T23:59:59.000Z
In models with Large Extra Dimensions the smallness of neutrino masses can be naturally explained by introducing gauge singlet fermions which propagate in the bulk. The Kaluza-Klein modes of these fermions appear as towers of sterile neutrino states on the brane. We study the phenomenological consequences of this picture for the high energy atmospheric neutrinos. For this purpose we construct a detailed equivalence between a model with large extra dimensions and a (3 + n) scenario consisting of three active and n extra sterile neutrino states, which provides a clear intuitive understanding of Kaluza-Klein modes. Finally, we analyze the collected data of high energy atmospheric neutrinos by IceCube experiment and obtain bounds on the radius of extra dimensions.
Evolution of the CPT Invariance into a Basic Postulate in Physics
Guang-jiong Ni; Suqing Chen; Jianjun Xu
2012-07-23T23:59:59.000Z
Einstein-Podolsky-Rosen's paper in 1935 is discussed in parallel with an EPR experiment on $K^0\\bar{K}^0$ system in 1998, yielding a strong hint of distinction in both wave-function and operators between particle and antiparticle at the level of quantum mechanics (QM). Then it is proposed that the CPT invariance in particle physics leads naturally to a basic postulate that the (newly defined) space-time inversion (${\\bf x}\\to -{\\bf x},t\\to -t$) is equivalent to the transformation between particle and its antiparticle. The evolution of this postulate from nonrelativistic QM via relativistic QM till the quantum field theory is discussed in some detail. The Klein paradox for both Klein-Gordon equation and Dirac equation is also discussed. Keywords: CPT invariance, Antiparticle, Quantum mechanics, Quantum field theory
BUSINESS VALUE OF INFORMATION TECHNOLOGY IN NETWORK ENVIRONMENTS
Liu, Yucong
2012-05-31T23:59:59.000Z
business processes. Finally, DC perspective has been used as the core concept of studies for net- enabled organizations in a network environment (Barua, Konana, Whinston, & Yin, 2004; Straub & Klein, 2001; Wheeler, 2002). Therefore, DIC deems to be a more... to the idea that companies should embraces IT with enthusiasm, explore opportunities brought by new IT advance, and actively use new technologies to create value to customers and such IT enthusiasm will be rewarded (Wheeler, 2002). The complementary...
Noncommutative of space-time and the relativistic Hydrogen atom
Slimane Zaim; Yazid Delenda
2012-12-02T23:59:59.000Z
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.
Angel Sanchez Sanchez Curriculum modelo U. Carlos III, pagina 1 1. DATOS PERSONALES
Sánchez, Angel "Anxo"
grupos [3]). · ´Algebra Lineal II. Primer curso, Ingenier´ia Industrial. Per´iodos: 1993/94 (dos grupos´isicas) 20/06/91 (F´isica Te´orica y Matem´atica) Tesis: Din´amica de Modelos Klein-Gordon No Lineales´atico. Primer curso, Ingenier´ia T´ecnica de Inform´atica de Gesti´on. Per´iodos: 1992/93 (un grupo). · ´Algebra
Foundation of Hydrodynamics of Strongly Interacting Systems
Wong, Cheuk-Yin [ORNL] [ORNL
2014-01-01T23:59:59.000Z
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.
Campbell, Joanna
2012-07-16T23:59:59.000Z
, Melanie Harris, Alex and Marina Petkevich, Traci Boyle, Gosia Krauze-Kociszewska, and Magdalena Wasilewska. Thank you to my friends in Oxford, OH ? Maria and Brandon Flessner, Mirabai McCarthy, Jeremiah Jonaitis, Laura Klein, and Jess and Steve... the issues associated with top executives and how they manage their organizations ? agency theory and upper echelons theory. Agency theory (Jensen & Meckling, 1976) emerged from the writings of early managerialists (Berle & Means, 1932), and is primarily...
On the relationship of gravitational constants in KK reduction
Lu, J X
2000-01-01T23:59:59.000Z
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.
Dynamics and Bifurcations Reading: Section 8.6
Beer, Randall D.
Dynamics and Bifurcations on a Torus Reading: Section 8.6 #12;IU/COGS-Q580/Beer Two-Dimensional Surfaces Sphere Torus Plane Cylinder Möbius Strip Klein Bottle Double Torus #12;IU/COGS-Q580/Beer Dynamical Consequences of Topology #12;IU/COGS-Q580/Beer Pairs of Oscillators Live on a Torus 1 2 1 2 #12;IU/COGS-Q580
Successes in School Energy Management - Energy Monitoring
Corbitt, C.
2012-01-01T23:59:59.000Z
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...
Haberl, J. S.; Cho, S.
2004-01-01T23:59:59.000Z
system, and Evans (1978; 1981) who developed a hybrid photovoltaic/thermal models and a simplified procedure for predicting long-term monthly average output from a photovoltaic array. The work of Siegel and Evans was extended by Clark et al. (1983... hybrid photovoltaic/thermal component models. Ref. by Siegel et al. (1981), Evans (1981), Klein & Beckman (1983), and Clark et al. (1984) Siegel et al. - 1981 Siegel et al. developed a method for estimating the monthly-average conventional energy...
Establishing Chlamydomonas reinhardtii as an industrial biotechnology host
Scaife, Mark A.; Nguyen, Ginnie T.D.T.; Rico, Juan; Lambert, Devinn; Helliwell, Katherine E.; Smith, Alison G.
2015-03-08T23:59:59.000Z
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...
Noncommutative relativistic particles
Amorim, Ricardo; Ramirez, Walberto Guzman [Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21945-970, Rio de Janeiro (Brazil); Abreu, Everton M. C. [Grupo de Fisica Teorica e Matematica Fisica, Departamento de Fisica, Universidade Federal Rural do Rio de Janeiro, BR 465-07, 23890-970, Seropedica, Rio de Janeiro (Brazil)
2010-05-15T23:59:59.000Z
We present a relativistic formulation of noncommutative mechanics where the object of noncommutativity {theta}{sup {mu}{nu}}is considered as an independent quantity. Its canonical conjugate momentum is also introduced so that it permits one to obtain an explicit form for the generators of the extended Poincare group in the noncommutative case. The theory, which is invariant under reparametrization, generalizes recent nonrelativistic results. Free noncommutative bosonic particles satisfy an extended Klein-Gordon equation depending on two parameters.
Zheng, Xiuting
2014-07-07T23:59:59.000Z
. Starr Shuhua Yuan Hongbin Zhang Head of Department, David D. Baltensperger August 2014 Major Subject: Plant Breeding Copyright 2014 Xiuting Zheng ii ABSTRACT Reniform (Rotylenchulus... two years of my Ph.D. study, I learned a lot of pathology from Dr. Bell. I take this opportunity to thank my other committee members, Dr. James Starr, Dr. Patricia Klein, Dr. Hongbin Zhang, and Dr. Joshua Yuan, for their guidance through the course...
Hydrogen atom in phase space: The Wigner representation
L. Praxmeyer; J. Mostowski; K. Wodkiewicz
2005-04-06T23:59:59.000Z
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.
A. Jadbabaie PhD 2001, Caltech
Plotkin, Joshua B.
A. Jadbabaie PhD 2001, Caltech J.C. Doyle PhD 1984,Berkeley D.E. Sarason PhD 1963, Michigan P. R. Halmos PhD 1938, UIUC J.L. Doob PhD 1932, Harvard J. L. Walsh PhD 1920, Harvard M. Bocher PhD 1891, Gottingen G. Birkhoff PhD 1907, Chicago C.F. Klein, PhD RheinischeFriedrich Wilhelms Universität Bonn 1868 J
Absorption cross section of RN and SdS extremal black hole
Sini R; Nijo Varghese; V C Kuriakose
2008-02-29T23:59:59.000Z
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.
The Moduli Space and M(atrix) Theory of 9d N=1 Backgrounds of M/String Theory
Ofer Aharony; Zohar Komargodski; Assaf Patir
2007-05-22T23:59:59.000Z
We discuss the moduli space of nine dimensional N=1 supersymmetric compactifications of M theory / string theory with reduced rank (rank 10 or rank 2), exhibiting how all the different theories (including M theory compactified on a Klein bottle and on a Mobius strip, the Dabholkar-Park background, CHL strings and asymmetric orbifolds of type II strings on a circle) fit together, and what are the weakly coupled descriptions in different regions of the moduli space. We argue that there are two disconnected components in the moduli space of theories with rank 2. We analyze in detail the limits of the M theory compactifications on a Klein bottle and on a Mobius strip which naively give type IIA string theory with an uncharged orientifold 8-plane carrying discrete RR flux. In order to consistently describe these limits we conjecture that this orientifold non-perturbatively splits into a D8-brane and an orientifold plane of charge (-1) which sits at infinite coupling. We construct the M(atrix) theory for M theory on a Klein bottle (and the theories related to it), which is given by a 2+1 dimensional gauge theory with a varying gauge coupling compactified on a cylinder with specific boundary conditions. We also clarify the construction of the M(atrix) theory for backgrounds of rank 18, including the heterotic string on a circle.
Harling, B v
2010-01-01T23:59:59.000Z
In this thesis, we study throats in the early, hot universe. Throats are a common feature of the landscape of type IIB string theory. If a throat is heated during cosmological evolution, energy is subsequently transferred to other throats and to the standard model. We calculate the heat transfer rate and the decay rate of throat-localized Kaluza-Klein states in a ten-dimensional model. For the calculation, we employ the dual description of the throats in terms of gauge theories. We discuss modifications of the decay rate which arise in flux compactifications and for Klebanov-Strassler throats and emphasize the role of tachyonic scalars in such throats in mediating decays of Kaluza-Klein modes. Our results are also applicable to the energy transfer from the heated standard model to throats. We determine the resulting energy density in throats at our epoch in dependence of their infrared scales and of the reheating temperature. The Kaluza-Klein modes in the throats decay to other sectors with a highly suppresse...
Samuel P. Bowen; Jay D. Mancini
2012-03-26T23:59:59.000Z
This is a study of a possible alternative procedure for adding a potential energy to the free electron Dirac equation. When Dirac added potentials to his free electron equation, there were two alternatives (here called D1 and D2). He chose D1 and lost charge conjugation symmetry, found Ehrenfest equations that depended on the sign of the energy of the state determining the expectation value, encountered Klein tunneling, zitterbewegung and the Klein paradox. The D1 alternative also predicted that deep potentials should pull positive energy states down into the negative energy continuum, possibly creating an unstable vacuum. Extensive experiments (1975-1997) found no evidence for this instability, but did find low energy electron-positron pairs with sharply defined energies and unusually low counting statistics. These pairs tended to disappear with higher beam currents. This paper explores the other alternative, here called D2 and finds charge conjugation symmetry preserved, Ehrenfest equations are classical, Klein tunneling is not present, unstable vacuua are forbidden, zitterbewegung is absent in the charge current density, new excitations of bound electron-positron pairs are possible in atoms, and the energies at which low energy electron-positron pair production in heavy ion scattering occurs is well described. Also all of the positive energy calculations, including those with the Coulomb potential, the hydrogen-like atom, are retained exactly the same as found in alternative D1. It might have been better if Dirac had chosen alternative D2.
Robert R. Lompay; Alexander N. Petrov
2013-07-01T23:59:59.000Z
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.
Plasmon-graviton conversion in a magnetic field in TeV-scale gravity
E. Yu. Melkumova
2011-12-13T23:59:59.000Z
Kaluza-Klein (KK) gravitons emission rates due to plasmon-graviton conversion in magnetic field are computed within the ADD model of TeV-scale gravity. Plasma is described in 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. Plasma collective effects enter through the two-point correlation function of the fluctuations of the energy-momentum tensor. The estimate for magnetic stars is presented leading to the lower limit of the D-dimensional Plank mass.
Infrared problem for the Nelson model on static space-times
Christian Gérard; Fumio Hiroshima; Annalisa Panati; Akito Suzuki
2011-01-03T23:59:59.000Z
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.
Extreme Science (LBNL Science at the Theater)
Ajo-Franklin, Caroline; Klein, Spencer; Minor, Andrew; Torok, Tamas
2012-02-27T23:59:59.000Z
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.
Exponential scaling limit of the single-particle Anderson model via adaptive feedback scaling
Victor Chulaevsky
2015-03-09T23:59:59.000Z
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.
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
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.
Conjugate Spinor Solution of the Dirac Equation for the Hydrogen Atom
Robert J. Ducharme
2011-04-18T23:59:59.000Z
It is shown the central field Dirac equation can be simplified through the use of real conjugate spinors to substitute for the upper and lower components of the bi-spinor eigensolutions. This substitution reduces the Dirac equation for the hydrogen atom to the problem of solving a single second order differential equation similar to a Klein-Gordon equation but containing additional terms to take account of the spin on the electron. The bi-spinor wave functions are readily constructed once the solution is known in terms of the conjugate spinors.
Oh, S.; Haberl, J.S.
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...
Black, Ross A.
1992-09-10T23:59:59.000Z
. Surv. Prof. Pap. 793, 39 pp., 1973. Black, R. A., S. B. Smithson, and R. L. Kirlin, Adaptive filtering of gravity and topography data, western U.S. (abstract), Eos Trans./AGU, 68, 280, 1987. Clarke, G. K. C., Linear filters to suppress terrain... and uranium potential of Precambrian conglomerates in SE Wyoming: rep. DJBX-139-81, 551 pp., Bendix Field Engineering Corp., 1981. Klein, T. L., The geology and geochemistry of the sulphide deposits of the Seminoe District, Carbon Co. Wyoming, Ph...
Persistent energy flow for a stochastic wave equation model in nonequilibrium statistical mechanics
Lawrence E. Thomas
2012-04-29T23:59:59.000Z
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.
Fully QED/relativistic theory of light pressure on free electrons by isotropic radiation
A. E. Kaplan
2015-02-25T23:59:59.000Z
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.
Green Functions of Relativistic Field Equations
Ying-Qiu Gu
2006-12-20T23:59:59.000Z
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.
GeoScience Information Society
2008-01-01T23:59:59.000Z
workshops and reports over the past few years addressing the challenges and opportunities related to the current digital data revolution, including the need for ade- quate stewardship of data: National Science Foundation Blue-Ribbon Advisory Panel....E., Droegemeier, K.K., Feldman, S.I., Garcia -Molina, H., Klein, M.L., Messerschmitt, D.G., Messina, P., Ostriker, J.P., and Wright, M.H., 2003, Revolutionizing science and engineering through cyberinfrastructure; Report of the National Science Foundation Blue-Ribbon...
Multidimensional SU(2) wormhole between two null surfaces
V. D. Dzhunushaliev
1997-04-16T23:59:59.000Z
The multidimensional gravity on principal bundle with structural SU(2) gauge group is considered. The Lorentzian wormhole solution disposed between two null surfaces is founded in this case. As the nondiagonal components are similar to a gauge fields (in Kaluza - Klein's sense) then in some sense this solution is dual to the black hole in 4D Einstein - Yang - MIlls gravity: 4D black hole has the stationary area outside of event horizon but multidimensional wormhole inside null surface (on which $ds^2=0$).
V. Dzhunushaliev
1998-07-29T23:59:59.000Z
A geometrical model of electric charge is proposed. This model has ``naked'' charge screened with a ``fur - coat'' consisting of virtual wormholes. The 5D wormhole solution in the Kaluza - Klein theory is the ``naked'' charge. The splitting off of the 5D dimension happens on the two spheres (null surfaces) bounding this 5D wormhole. This allows one to sew two Reissner - Nordstr\\"om black holes onto it on both sides. The virtual wormholes entrap a part of the electrical flux lines coming into the ``naked'' charge. This effect essentially changes the charge visible at infinity so that it satisfies the real relation $m^2
Wave Packets Propagation in Quantum Gravity
Kourosh Nozari; S. H. Mehdipour
2005-07-03T23:59:59.000Z
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.
Buffer-gas-induced absorption resonances in Rb vapor RID B-9041-2008
Mikhailov, E. E.; Novikova, I.; Rostovtsev, Y. V.; Welch, George R.
2004-01-01T23:59:59.000Z
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...
Covariant propagator in AdS5 x S5 superspace
Peng Dai; Ru-Nan Huang; Warren Siegel
2010-02-10T23:59:59.000Z
We give an explicit superspace propagator for the chiral scalar field strength of 10D IIB supergravity on an AdS5 x S5 background. Because this space is conformally flat, the propagator is very simple, almost identical to that of flat space. We also give an explicit expansion over the Kaluza-Klein modes of S5. The fact that the full propagator is so much simpler suggests that, as in 2D conformal field theory, AdS/CFT calculations would be simpler without a mode expansion.
Carrera, Edgar Fernando; /Florida State U.
2008-12-01T23:59:59.000Z
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.
Physics with Single Photons plus Missing Energy Final States at D0
Carrera, Edgar; /Florida State U.
2009-06-01T23:59:59.000Z
Final state signatures of a single photon and missing transverse energy offer unique and powerful advantages in the search for new physics. This document presents the first observation of the Z{gamma} {yields} {nu}{bar {nu}}{gamma} process at the Tevatron Collider at 5.1 standard deviations significance, as well as some of the strongest limits on anomalous trilinear ZZ{gamma} and Z{gamma}{gamma} couplings to date. Additionally, we present the latest D0 results on a search for direct production of Kaluza Klein gravitons in association with single photons.
Modelling of partially-resolved oceanic symmetric instability
Bachman, S. D.; Taylor, J. R.
2014-08-04T23:59:59.000Z
–27 Contents lists availab Ocean Mo els2008a,b,c; Fox-Kemper et al., 2008; Klein et al., 2008), (3) the Rossby (Ro) and Richardson (Ri) numbers are Oð1Þ, meaning that balanced models are not appropriate to describe the motion As computational power increases... sign of f (Hoskins, 1974). Fronts in the surface mixed layer of the ocean feature strong lateral density gradients, which in conjunction with wind forcing and/or buoy- ancy fluxes create conditions favorable to the development of SI (Thomas and Taylor...
Suppressing Proton Decay in Theories with Localised Fermions
Bobby S. Acharya; Roberto Valandro
2006-08-01T23:59:59.000Z
We calculate the contribution to the proton decay amplitude from Kaluza-Klein lepto-quarks in theories with extra dimensions, localised fermions and gauge fields which propagate in the bulk. Such models naturally occur within the context of M-theory. In SU(5) models we show that carefully including all such modes gives a distinctive pattern of decays through various channels including a strong suppression of decays into neutrinos or right handed positrons. By contrast there is no such suppression for SO(10).
Igor I. Smolyaninov
2010-07-19T23:59:59.000Z
Optical space in metamaterials may be engineered to mimic the landscape of a multidimensional Universe which has regions of different topology and different effective dimensionality. The "metamaterial landscape" may include regions in which one or two spatial dimensions are compactified. Nonlinear optics of metamaterials in these regions mimics either U(1) or SU(2) Kaluza-Klein theories having one or more kinds of effective charges. As a result, novel "photon blockade" nonlinear optical metamaterial devices may be realized. Topology-changing phase transitions in such metamaterials lead to considerable particle creation perceived as flashes of light, thus providing a toy model of birth of an individual physical Universe.
Towards a realistic axion star
J. Barranco; A. Bernal
2008-08-01T23:59:59.000Z
In this work we estimate the radius and the mass of a self-gravitating system made of axions. The quantum axion field satisfies the Klein-Gordon equation in a curved space-time and the metric components of this space-time are solutions to the Einstein equations with a source term given by the vacuum expectation value of the energy-momentum operator constructed from the axion field. As a first step towards an axion star we consider the up to the sixth term in the axion potential expansion. We found that axion stars would have masses of the order of asteroids and radius of the order of few centimeters.
Fully QED/relativistic theory of light pressure on free electrons by isotropic radiation
A. E. Kaplan
2015-05-19T23:59:59.000Z
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 and strong damping of plasma oscillations at the temperatures near plasma nuclear fusion.
Shuang-Qing Wu
2007-12-07T23:59:59.000Z
We present the general exact solutions for non-extremal rotating charged black holes in the Godel universe of five-dimensional minimal supergravity theory. They are uniquely characterized by four non-trivial parameters, namely the mass $m$, the charge $q$, the Kerr equal rotation parameter $a$, and the Godel parameter $j$. We calculate the conserved energy, angular momenta and charge for the solutions and show that they completely satisfy the first law of black hole thermodynamics. We also study the symmetry and separability of the Hamilton-Jacobi and the massive Klein-Gordon equations in these Einstein-Maxwell-Chern-Simons-Godel black hole backgrounds.
Natural Dirac Neutrinos from Warped Extra Dimension
Jackson M. S. Wu
2010-06-29T23:59:59.000Z
Dirac neutrinos arising from gauged discrete symmetry \\`a la Krauss-Wilczek are implemented in the minimal custodial Randall-Sundrum model. In the case of a normal hierarchy, all lepton masses and mixing pattern can be naturally reproduced at the TeV scale set by the electroweak constraints, while simultanously satisfy bounds from lepton flavour violation. A nonzero neutrino mixing angle, $\\theta_{13}$, is generic in the scenario, as well as the existence of sub-TeV right-handed Kaluza-Klein neutrinos, which may be searched for at the LHC.
Running couplings in extra dimensions
Jisuke Kubo; Haruhiko Terao; George Zoupanos
2000-10-07T23:59:59.000Z
The regularization scheme dependence of running couplings in extra compactified dimensions is discussed. We examine several regularization schemes explicitly in order to analyze the scheme dependence of the Kaluza-Klein threshold effects, which cause the power law running, in the case of the scalar theory in five dimensions with one dimension compactified. It is found that in 1-loop order, the net difference in the running of the coupling among the different schemes is reduced to be rather small after finite renormalization. An additional comment concerns the running couplings in the warped extra dimensions which are found to be regularization dependent above TeV scale.
Minimal coupling method and the dissipative scalar field theory
Fardin Kheirandish; Majid Amooshahi
2005-07-20T23:59:59.000Z
Quantum field theory of a damped vibrating string as the simplest dissipative scalar field investigated by its coupling with an infinit number of Klein-Gordon fields as the environment by introducing a minimal coupling method. Heisenberg equation containing a dissipative term proportional to velocity obtained for a special choice of coupling function and quantum dynamics for such a dissipative system investigated. Some kinematical relations calculated by tracing out the environment degrees of freedom. The rate of energy flowing between the system and it's environment obtained.
Nasser, Roseann; Stephen, Alison M; Goh, Yeow K; Clandinin, M Thomas
2010-02-19T23:59:59.000Z
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...
Search for universal extra dimensions in ppbar collisions
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
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.
Plant maintenance and plant life extension issue, 2007
Agnihotri, Newal (ed.)
2007-03-15T23:59:59.000Z
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.
Graviton propagators in supergravity and noncommutative gauge theory
Kitazawa, Yoshihisa [High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801 (Japan); Department of Particle and Nuclear Physics, Graduate University for Advanced Studies, Tsukuba, Ibaraki 305-0801 (Japan); Nagaoka, Satoshi [High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801 (Japan)
2007-02-15T23:59:59.000Z
We investigate the graviton propagator in the type IIB supergravity background which is dual to 4 dimensional noncommutative gauge theory. We assume that the boundary is located not at the infinity but at the noncommutative scale where the string frame metric exhibits the maximum. We argue that the Neumann boundary condition is the appropriate boundary condition to be adopted at the boundary. We find that the graviton propagator behaves just as that of the 4 dimensional massless graviton. On the other hand, the nonanalytic behaviors of the other Kaluza-Klein modes are not significantly affected by the Neumann boundary condition.
Phenomenology of Noncommutative Field Theories
Christopher D. Carone
2004-09-29T23:59:59.000Z
Experimental limits on the violation of four-dimensional Lorentz invariance imply that noncommutativity among ordinary spacetime dimensions must be small. In this talk, I review the most stringent bounds on noncommutative field theories and suggest a possible means of evading them: noncommutativity may be restricted to extra, compactified spatial dimensions. Such theories have a number of interesting features, including Abelian gauge fields whose Kaluza-Klein excitations have self couplings. We consider six-dimensional QED in a noncommutative bulk, and discuss the collider signatures of the model.
Space--time fluctuations and the spreading of wavepackets
E. Göklü; C. Lämmerzahl; A. Camacho; A. Macias
2009-08-03T23:59:59.000Z
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.
Buffer-gas-induced absorption resonances in Rb vapor RID B-9041-2008
Mikhailov, E. E.; Novikova, I.; Rostovtsev, Y. V.; Welch, George R.
2004-01-01T23:59:59.000Z
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...
Trace element analysis of Texas lignite
Mahar, Sean
1982-01-01T23:59:59.000Z
. Gluskoter, and N. F. Shimp: Occurence and Distribution of Potentiall Volatile Trace Elements in Coal. Illinois State Geological Survey. Urbana, IL. (July, 1974). 39 [26] Andren, A. W. , D. H. Klein, and Y. Talmi: Selenium in Coal- Fired Plant Emissions.... Envir. Sci. and Tech. , 9:856, (Sept. , 1975). [27] Gluskoter, H. J. , R. R. Ruch, W. G. Miller, R. A. Cahill, G. B. Breher and J, K. Kuhn: Trace Elements in Coal: Occur- rence and Distribution. Illinois State Geological Sur- vey. Urbane, Illinois...
Mid-American Review of Sociology, Volume 15, Number 2 (SPRING, 1991): Back Matter
1991-04-01T23:59:59.000Z
: An Intellectual Biography. 11(1):95-98. Bonanno, Alessandro. 1987. "Decentralization, Informalization, and the State: A Reinterpretation of the Farm Crisis in the U.S." 12(1):15-33. Bradfield, Cecil D. and R. Ann Meyers. 1980. "Make Today Count: A Mutual Support... of Judith Weinstein Klein, Jewish Identity and Self-Esteem: Healing Wounds Through Ethnotherapy. 7(1):185-187. Editors. 1976. "A Letter From the Editors." 1(1):i-iv. Eitzen, D. Stanley. 1990. "Conflict and Order: Implications for a Research Agenda." 14...
Black holes and the absorption rate of cosmological scalar fields
L. Arturo Urena-Lopez; Lizbeth M. Fernandez
2011-07-15T23:59:59.000Z
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%.
Radion clouds around evaporating black holes
J. R. Morris
2009-09-03T23:59:59.000Z
A Kaluza-Klein model, with a matter source associated with Hawking radiation from an evaporating black hole, is used to obtain a simple form for the radion effective potential. The environmental effect generally causes a matter-induced shift of the radion vacuum, resulting in the formation of a radion cloud around the hole. There is an albedo due to the radion cloud, with an energy dependent reflection coefficient that depends upon the size of the extra dimensions and the temperature of the hole.
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah Project OfficePower4974 1 Introducing SAM (Sun and AureoleA. Klein,
DRAFT ADVICE - UNACCEPTABLE PROGRAM IMPACTS UNDER FY 97 BUDGET
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DRAFT ADVICE - UNACCEPTABLE PROGRAM IMPACTS UNDER FY 97 BUDGET
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power Administration wouldDECOMPOSITION OF CALCIUMCOSTDOENuclear1382DOINGTuning200 Keith Klein,
DRAFT ADVICE - UNACCEPTABLE PROGRAM IMPACTS UNDER FY 97 BUDGET
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power Administration wouldDECOMPOSITION OF CALCIUMCOSTDOENuclear1382DOINGTuning200 Keith Klein,8,
Surface Gas Sampling At Fenton Hill HDR Geothermal Area (Goff & Janik,
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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro Industries PvtStratosolar Jump to:Holdings Co Ltd Place: Wuxi,EnergyRenewable(Klein,
Surface Gas Sampling At Fenton Hill HDR Geothermal Area (Grigsby, Et Al.,
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Surface Gas Sampling At International Geothermal Area Mexico (Norman, Et
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Compound and Elemental Analysis At Akutan Fumaroles Area (Kolker, Et Al.,
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Compound and Elemental Analysis At Alum Area (DOE GTP) | Open Energy
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Compound and Elemental Analysis At Alvord Hot Springs Area (Wood, 2002) |
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Compound and Elemental Analysis At Belknap-Foley-Bigelow Hot Springs Area
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Compound and Elemental Analysis At Beowawe Hot Springs Area (Wood, 2002) |
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Compound and Elemental Analysis At Black Warrior Area (DOE GTP) | Open
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Compound and Elemental Analysis At Blackfoot Reservoir Area (Hutsinpiller &
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file://L:\DOE-hanford.gov\public\boards\hab\advice\advice105.ht
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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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron4 Self-Scrubbing:,, , ., ...,exerciseTheoreticalEA -Keith Klein,DickThe
The generalized Erlangen program and setting a geometry for four- dimensional conformal fields
Ne`eman, Y. [Tel Aviv Univ. (Israel). Sackler Faculty of Exact Sciences]|[Texas Univ., Austin, TX (United States). Center for Particle Physics; Hehl, F.W.; Mielke, E.W. [Koeln Univ. (Germany). Inst. fuer Theoretische Physik
1993-10-22T23:59:59.000Z
This is the text of a talk at the International Symposium on ``Mathematical Physics towards the XXI Century`` held in March 1993 at Beersheva, Israel. In the first part we attempt to summarize XXth Century Physics, in the light of Kelvin`s 1900 speech ``Dark Clouds over XIXth Century Physics.`` Contrary to what is usually said, Kelvin predicted that the ``clouds`` (relativity and quantum mechanics) would revolutionize physics and that one hundred years might be needed to harmonize them with classical physics. Quantum Gravity can be considered as a leftover from Kelvin`s program -- so are the problems with the interpretation of quantum mechanics. At the end of the XXth Century, the Standard Model is the new panoramic synthesis, drawn in gauge-geometric lines -- realizing the Erlangen program beyond F. Klein`s expectations. The hierarchy problem and the smallness of the cosmological constant are our ``clouds``, generations and the Higgs sector are to us what radioactivity was in 1900. In the second part we describe Metric-Affine spacetimes. We construct the Noether machinery and provide expressions for the conserved energy and hypermomentum. Superimposing conformal invariance over the affine structure induces the Virasoro-like infinite constraining algebra of diffeomorphisms, applied with constant parameters and opening the possibility of a 4DCFT, similar to 2DCFT.
A new localization mechanism and Hodge duality for $q-$form field
Chun-E Fu; Yu-Xiao Liu; Heng Guo; Sheng-Li Zhang
2015-02-19T23:59:59.000Z
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.
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
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.
Black Holes with Flavors of Quantum Hair?
Gia Dvali
2006-07-20T23:59:59.000Z
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.
Significant effects of second KK particles on LKP dark matter physics
Mitsuru Kakizaki; Shigeki Matsumoto; Yoshio Sato; Masato Senami
2005-06-17T23:59:59.000Z
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.
Jonathan E. Martin; Harvey S. Reall
2009-02-19T23:59:59.000Z
Eleven-dimensional supergravity admits non-supersymmetric solutions of the form AdS(5)xM(6) where M(6) is a positive Kahler-Einstein space. We show that the necessary and sufficient condition for such solutions to be stable against linearized bosonic supergravity perturbations can be expressed as a condition on the spectrum of the Laplacian acting on (1,1)-forms on M(6). For M(6)=CP(3), this condition is satisfied, although there are scalars saturating the Breitenlohner-Freedman bound. If M(6) is a product S(2)xM(4) (where M(4) is Kahler-Einstein) then there is an instability if M(4) has a continuous isometry. We show that a potential non-perturbative instability due to 5-brane nucleation does not occur. The bosonic Kaluza-Klein spectrum is determined in terms of eigenvalues of operators on M(6).
Quantum probes of timelike naked singularities in $2+1-$ dimensional power - law spacetimes
O. Gurtug; M. Halilsoy; S. Habib Mazharimousavi
2015-01-29T23:59:59.000Z
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.
Gamma Ray Burst as Sources of Exotic Particles
Morgan, Ian; De Pree, Erin; Tennyson, Kevin
2015-01-01T23:59:59.000Z
We consider the possible production of stable lightest first level KK particle (LKP) in baryonic gamma ray bursts (GRB) out flows. We numerically computed the energy-dependent cross-sections of Kaluza-Klein (KK) excitations for the Standard Model gauge bosons, photon and Z. Next, we determined the feasibility of producing these KK excitations in gamma-ray emitting regions of GRBs. We found that a GRB fireball that accelerates baryons to energies greater than 10^14 eV could produce KK excitations out to approximately 10^12 cm from the central engine, indicating that GRBs may be a significant source of the LKP. Finally, we explore the potential observational consequences of our results.
Feedback suppression of rotating external kink instabilities in the presence of noise
Hanson, Jeremy M.; De Bono, Bryan; James, Royce W.; Levesque, Jeffrey P.; Mauel, Michael E.; Maurer, David A.; Navratil, Gerald A.; Pedersen, Thomas Sunn; Shiraki, Daisuke [Applied Physics and Applied Mathematics, Columbia University, 200 S. W. Mudd Building - MC 4701, 500 W. 120th Street, New York, New York 10027 (United States)
2008-08-15T23:59:59.000Z
The authors report on the first experimental demonstration of active feedback suppression of rotating external kink modes near the ideal wall limit in a tokamak using Kalman filtering to discriminate the n=1 kink mode from background noise. The Kalman filter contains an internal model that captures the dynamics of a rotating, growing n=1 mode. Suppression of the external kink mode is demonstrated over a broad range of phase angles between the sensed mode and applied control field, and performance is robust at noise levels that render proportional gain feedback ineffective. Suppression of the kink mode is accomplished without excitation of higher frequencies as was observed in previous experiments using lead-lag loop compensation [A. J. Klein et al., Phys Plasmas 12, 040703 (2005)].
Probing the geometric nature of particles mass in graphene systems
Donatello Dolce; Andrea Perali
2014-03-13T23:59:59.000Z
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.
Plasma graviton production in TeV-scale gravity
E. Yu. Melkumova
2010-12-14T23:59:59.000Z
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.
Equation of state of dark energy in f(R) gravity
Takahashi, Kazufumi
2015-01-01T23:59:59.000Z
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.
Self-force via energy-momentum and angular momentum balance equations
Yurij Yaremko
2012-07-20T23:59:59.000Z
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.
Polarized Deep Inelastic Scattering Off the "Neutron" From Gauge/String Duality
Jian-Hua Gao; Zong-Gang Mou
2010-05-25T23:59:59.000Z
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 $\\lambda^{-1/2}\\ll xneutron" are power suppressed at the same order as the ones of the "proton." Especially, we find the Burkhardt-Cottingham-like sum rule, which is satisfied in the work by Gao and Xiao, is broken due to the Pauli interaction term. We also illustrate how such a Pauli interaction term can arise naturally from higher dimensional fermion-graviton coupling through the usual Kaluza-Klein reduction.
Are black holes a serious threat to scalar field dark matter models?
Juan Barranco; Argelia Bernal; Juan Carlos Degollado; Alberto Diez-Tejedor; Miguel Megevand; Miguel Alcubierre; Darío Núñez; Olivier Sarbach
2011-08-03T23:59:59.000Z
Classical scalar fields have been proposed as possible candidates for the dark matter component of the universe. Given the fact that super-massive black holes seem to exist at the center of most galaxies, in order to be a viable candidate for the dark matter halo a scalar field configuration should be stable in the presence of a central black hole, or at least be able to survive for cosmological time-scales. In the present work we consider a scalar field as a test field on a Schwarzschild background, and study under which conditions one can obtain long-lived configurations. We present a detailed study of the Klein-Gordon equation in the Schwarzschild spacetime, both from an analytical and numerical point of view, and show that indeed there exist quasi-stationary solutions that can remain surrounding a black hole for large time-scales.
Universal spin-1/2 fermion field localization on a 5D braneworld
Barbosa-Cendejas, Nandinii; Mora-Luna, Refugio Rigel
2015-01-01T23:59:59.000Z
In this work we present a refined method for the localization of spin-$\\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.
Double Barriers and Magnetic Field in Bilayer Graphene
Ilham Redouani; Ahmed Jellal; Hocine Bahlouli
2015-05-21T23:59:59.000Z
We study the transmission probability in an AB-stacked bilayer graphene of Dirac fermions scattered by a double barrier structure in the presence of a magnetic field. We take into account the full four bands of the energy spectrum and use the boundary conditions to determine the transmission probability. Our numerical results show that for energies higher than the interlayer coupling, four ways for transmission probabilities are possible while for energies less than the height of the barrier, Dirac fermions exhibits transmission resonances and only one transmission channel is available. We show that, for AB-stacked bilayer graphene, there is no Klein tunneling at normal incident. We find that the transmission displays sharp peaks inside the transmission gap around the Dirac point within the barrier regions while they are absent around the Dirac point in the well region. The effect of the magnetic field, interlayer electrostatic potential and various barrier geometry parameters on the transmission probabilities are also discussed.
V. D. Dzhunushaliev
1996-12-16T23:59:59.000Z
The geometrical model of an electrical charge is proposed. This model has the ''nake'' charge shunted with ``fur - coat'' consisting of virtual wormholes. The 5D wormhole solution in the Kaluza - Klein's theory is the ''nake'' charge. The splitting off the supplementary coordinates happens on the two spheres (null surfaces) bounding this 5D wormhole. This allows to sew two Reissner - Nordstr\\"om's black holes to it on both sides. Virtual wormholes entrap a part of the electrical force lines outcoming from ''nake'' charge. This effect can essentially decrease the charge visible at infinity up to real relation $m^2 < e^2$. The analogical construction for colour SU(2) gauge charge is made.
Slimane Zaim
2014-04-08T23:59:59.000Z
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.
Tensor gauge field localization in branes
Tahim, M. O. [Departamento de Fisica, Universidade Federal do Ceara, C.P. 6030, 60455-760 Fortaleza, Ceara (Brazil); Departamento de Ciencias da Natureza, Faculdade de Ciencias, Educacao e Letras do Sertao Central (FECLESC), Universidade Estadual do Ceara, 63900-000 Quixada, Ceara (Brazil); Cruz, W. T. [Departamento de Fisica, Universidade Federal do Ceara, C.P. 6030, 60455-760 Fortaleza, Ceara (Brazil); Centro Federal de Educacao Tecnologica do Ceara (CEFETCE), Unidade Descentralizada de Juazeiro do Norte, 63040-000 Juazeiro do Norte, Ceara (Brazil); Almeida, C. A. S. [Departamento de Fisica, Universidade Federal do Ceara, C.P. 6030, 60455-760 Fortaleza, Ceara (Brazil)
2009-04-15T23:59:59.000Z
In this work we study localization of a Kalb-Ramond tensorial gauge field on a membrane described by real scalar fields. The membrane is embedded in an AdS-type five-dimensional bulk space, which mimics a Randall-Sundrum scenario. First, we consider a membrane described by only a single real scalar field. In that scenario we find that there is no localized tensorial zero mode. When we take into account branes described by two real scalar fields with internal structures, we obtain again a nonlocalized zero mode for a Kalb-Ramond tensorial gauge field. After modifying our model of one single scalar field by coupling the dilaton to the Kalb-Ramond field, we find that this result is changed. Furthermore, we analyze Kaluza-Klein massive modes and resonance structures.
Radion Physics, Stability and Cosmological issues
Perez-Lorenzana, Abdel [Departamento de Fisica, Centro de Investigacion y de Estudios Avanzados del I.P.N. Apdo. Post. 14-740, 07000, Mexico, D.F. (Mexico); Santos, Eli [Centro de Estudios en Fisica y Matematicas Basicas y Aplicadas, UNACH, 4a Oriente Norte 1428, C.P. 29000 Tuxtla Gutierrez, Chiapas (Mexico); Instituto de Fisica y Matematicas, Universidad Michoacana de San Nicolas de Hidalgo Edificio C-3, Ciudad Universitaria, CP. 58040 Morelia, Michoacan (Mexico)
2010-07-12T23:59:59.000Z
Moduli fields are a known ingredient of models that involve extra compact dimensions, as the Kaluza-Klein theories, String theory, and models with compact extra dimensions. They are scalar fields that emerge when the configuration of the compact space is perturbed. The radion is a particular example of this type of fields, which is associated to the variations of the total volume of compact space. Radions usually couple to all other fields, affecting the definition of coupling constants and gravity strength. They also modify gravitational potentials in a way that may be tested in table top experiments. Usually, these fields are run away modes which manifest the difficulties to stabilize the shape of the compact manifold of extra space. This is feature that can be a threat for cosmology on the early Universe. Here we provide a brief discussion of these general aspects of the radion physics.
Hyperbolic extra-dimensions in particle physics and beyond
Alan S. Cornell
2015-07-16T23:59:59.000Z
The nature of space-time at high energy is an open question and the link between extra-dimensional theories with the physics of the Standard Model can not be established in a unique way. The compactification path is not unique and supersymmetry breaking can be done in different ways. Compactifications based on hyperbolic orbifolds gather a large number of properties that are useful for this problem, like a Dirac spectrum chiral zero modes, a mass gap with the Kaluza-Klein modes, discrete residual symmetries for the stability of dark matter, and interesting cosmological constructions. This shall be explored here for bulk scalar fields, with a roadmap provided for fermionic studies and beyond.
Peskin, M.E.
1986-03-01T23:59:59.000Z
Some simple exercises are carried out which clarify the physics of a 5-dimensional world in which one dimension is curled up to a radius R. A technical problem necessary to generalize this discussion to d dimensions is considered - the determination of the sizes of spinors in higher dimensions. The origin of eigenmodes of a higher-dimensional field with exactly zero energy is explored, using as examples conventional models of field theory. General relativity is then reviewed, formulated as a gauge theory. The conditions for the appearance of zero modes in space-time geometries with compactified dimensions are discussed. The physics of these zero modes are illustrated in a series of examples ranging from the original construction of Kaluza and Klein to the superstring theory. 28 refs., 18 figs. (LEW)
Generalised Eisenhart lift of the Toda chain
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
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.
International trade and waste and fuel managment issue, 2007
Agnihotri, Newal (ed.)
2007-01-15T23:59:59.000Z
The focus of the January-February issue is on international trade and waste and fuel managment. Major articles/reports in this issue include: New plants with high safety and availability, by Bill Poirier, Westinghouse Electric Company; Increased reliability and competitiveness, by Russell E. Stachowski, GE Energy, Nuclear; Fuel for long-term supply of nuclear power, by Kumiaki Moriya, Hitachi, Ltd., Japan; Super high burnup fuel, By Noboru Itagaki and Tamotsu Murata, Nuclear Fuel Industries LTD., Japan; Zero fuel failures by 2010, by Tom Patten, AREVA NP Inc.; Decommissioning opportunities in the UK, by David Brown and William Thorn, US Department of Commerce; Industry's three challenges, by Dale E. Klein, US Nuclear Regulatory Commission; and, A step ahead of the current ABWR's, compiled by Claire Zurek, GE Energy.
Fermion resonances on a thick brane with a piecewise warp factor
Li Haitao; Liu Yuxiao; Zhao Zhenhua; Guo Heng [Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000 (China)
2011-02-15T23:59:59.000Z
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.
Photon induced tunneling of electron through a graphene electrostatic barrier
Biswas, R. [Department of Physics, P.K. College, Contai, Purba Medinipur, West Bengal 721401 (India)] [Department of Physics, P.K. College, Contai, Purba Medinipur, West Bengal 721401 (India); Sinha, C. [Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032 (India)] [Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032 (India)
2013-11-14T23:59:59.000Z
The influence of an external intense laser field on the tunneling transport (ballistic) of the Dirac fermions through a monolayer graphene electrostatic barrier is studied in the framework of the Floquet approach for a continuous wave, linearly polarized, monochromatic laser. The Klein tunneling is shown to be suppressed by the irradiation of a strong laser field, arising due to breaking of chiral symmetry. The symmetric nature of the field free angular transmission spectrum around the normal to the well-barrier interface is destroyed due to the additional coupling between the pseudo-spin and the time dependent vector potential. The energy distribution of the tunneling spectrum displays Fano resonance which is absent for a laser assisted conventional electrostatic barrier but similar to the case of quantum well structures, providing an optical tool to identify field free quasi bound states inside the graphene nanostructures.
Relativistic X-Ray Free Electron Lasers in the Quantum Regime
Bengt Eliasson; Padma Kant Shukla
2012-03-02T23:59:59.000Z
We present a nonlinear theory for relativistic X-ray free electron lasers in the quantum regime, using a collective Klein-Gordon (KG) equation (for relativistic electrons), which is coupled with the Maxwell-Poisson equations for the electromagnetic and electrostatic fields. In our model, an intense electromagnetic wave is used as a wiggler which interacts with a relativistic electron beam to produce coherent tunable radiation. The KG-Maxwell-Poisson model is used to derive a general nonlinear dispersion relation for parametric instabilities in three-space-dimensions, including an arbitrarily large amplitude electromagnetic wiggler field. The nonlinear dispersion relation reveals the importance of quantum recoil effects and oblique scattering of the radiation that can be tuned by varying the beam energy.
New symmetry properties of pointlike scalar and Dirac particles
Alexander J. Silenko
2015-03-13T23:59:59.000Z
New symmetry properties are found for pointlike scalar and Dirac particles (Higgs boson and all leptons) in Riemannian and Riemann-Cartan 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 (or Riemann-Cartan) 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.
High-fidelity numerical solution of the time-dependent Dirac equation
Almquist, Martin, E-mail: martin.almquist@it.uu.se [Uppsala University, Department of Information Technology, Lägerhyddsvägen 2, 752 37 Uppsala (Sweden); Mattsson, Ken [Uppsala University, Department of Information Technology, Lägerhyddsvägen 2, 752 37 Uppsala (Sweden); Edvinsson, Tomas [Uppsala University, Department of Chemistry – Ångström Laboratory, Lägerhyddsvägen 1, 751 21 Uppsala (Sweden)
2014-04-01T23:59:59.000Z
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 Schrödinger equation in 1-D illustrates the differences between the two equations. In contrast to the conventional tunneling probability decay predicted by the Schrödinger 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.
Solitonic axion condensates modeling dark matter halos
Castañeda Valle, David, E-mail: casvada@gmail.com; Mielke, Eckehard W., E-mail: ekke@xanum.uam.mx
2013-09-15T23:59:59.000Z
Instead of fluid type dark matter (DM), axion-like scalar fields with a periodic self-interaction or some truncations of it are analyzed as a model of galaxy halos. It is probed if such cold Bose–Einstein type condensates could provide a viable soliton type interpretation of the DM ‘bullets’ observed by means of gravitational lensing in merging galaxy clusters. We study solitary waves for two self-interacting potentials in the relativistic Klein–Gordon equation, mainly in lower dimensions, and visualize the approximately shape-invariant collisions of two ‘lump’ type solitons. -- Highlights: •An axion model of dark matter is considered. •Collision of axion type solitons are studied in a two dimensional toy model. •Relations to dark matter collisions in galaxy clusters are proposed.
Towards a Realistic Axion Star
Barranco, J. [Instituto de Fisica, Universidad Nacional Autonoma de Mexico, Apdo. Postal 20-360, 01000. Mexico D.F. (Mexico); Bernal, A. [Instituto de Fisica de la Universidad de Guanajuato, C.P. 37150, Leon, Guanajuato (Mexico)
2008-07-02T23:59:59.000Z
In this work we estimate the radius and the mass of a self-gravitating system made of axions. The quantum axion field satisfies the Klein-Gordon equation in a curved space-time and the metric components of this space-time are solutions to the Einstein equations with a source term given by the vacuum expectation value of the energy-momentum operator constructed from the axion field. As a first step towards an axion star we consider the up to the {phi}{sup 6} term in the axion potential expansion. We found that axion stars would have masses of the order of asteroids ({approx}10{sup -10}M{center_dot}) and radius of the order {approx} few centimeters.
M5-Branes, D4-Branes and Quantum 5D super-Yang-Mills
Neil Lambert; Constantinos Papageorgakis; Maximilian Schmidt-Sommerfeld
2011-02-22T23:59:59.000Z
We revisit the relation of the six-dimensional (2,0) M5-brane Conformal Field Theory compactified on a circle to 5D maximally supersymmetric Yang-Mills Gauge Theory. We show that in the broken phase 5D super-Yang-Mills contains a spectrum of soliton states that can be identified with the complete Kaluza-Klein modes of an M2-brane ending on the M5-branes. This provides evidence that the (2,0) theory on a circle is equivalent to 5D super-Yang-Mills with no additional UV degrees of freedom, suggesting that the latter is in fact a well-defined quantum theory and possibly finite.
Chiral tunneling in single and bilayer graphene
T. Tudorovskiy; K. J. A. Reijnders; M. I. Katsnelson
2011-06-15T23:59:59.000Z
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.
Shuang-Qing Wu
2008-09-08T23:59:59.000Z
The Dirac equation for the electron around a five-dimensional rotating black hole with two different angular momenta is separated into purely radial and purely angular equations. The general solution is expressed as a superposition of solutions derived from these two decoupled ordinary differential equations. By separating variables for the massive Klein-Gordon equation in the same space-time background, I derive a simple and elegant form for the Stackel-Killing tensor, which can be easily written as the square of a rank-three Killing-Yano tensor. I have also explicitly constructed a symmetry operator that commutes with the scalar Laplacian by using the Stackel-Killing tensor, and the one with the Dirac operator by the Killing-Yano tensor admitted by the five-dimensional Myers-Perry metric, respectively.
P. M. Sutter; Tsunefumi Tanaka
2006-10-11T23:59:59.000Z
Although the observed universe appears to be geometrically flat, it could have one of 18 global topologies. A constant-time slice of the spacetime manifold could be a torus, Mobius strip, Klein bottle, or others. This global topology of the universe imposes boundary conditions on quantum fields and affects the vacuum energy density via Casimir effect. In a spacetime with such a nontrivial topology, the vacuum energy density is shifted from its value in a simply-connected spacetime. In this paper, the vacuum expectation value of the stress-energy tensor for a massless scalar field is calculated in all 17 multiply-connected, flat and homogeneous spacetimes with different global topologies. It is found that the vacuum energy density is lowered relative to the Minkowski vacuum level in all spacetimes and that the stress-energy tensor becomes position-dependent in spacetimes that involve reflections and rotations.
Spinless Quantum Field Theory and Interpretation
Dong-Sheng Wang
2013-03-07T23:59:59.000Z
Quantum field theory is mostly known as the most advanced and well-developed theory in physics, which combines quantum mechanics and special relativity consistently. In this work, we study the spinless quantum field theory, namely the Klein-Gordon equation, and we find that there exists a Dirac form of this equation which predicts the existence of spinless fermion. For its understanding, we start from the interpretation of quantum field based on the concept of quantum scope, we also extract new meanings of wave-particle duality and quantum statistics. The existence of spinless fermion is consistent with spin-statistics theorem and also supersymmetry, and it leads to several new kinds of interactions among elementary particles. Our work contributes to the study of spinless quantum field theory and could have implications for the case of higher spin.
Complex statistics and diffusion in nonlinear disordered particle chains
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
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.
Analytical approximations for x-ray cross sections III
Biggs, F; Lighthill, R
1988-08-01T23:59:59.000Z
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.
Science at the Theatre - Extreme Science - Promo Video
Klein, Spencer
2012-01-01T23:59:59.000Z
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/
Field Theory on Curved Noncommutative Spacetimes
Alexander Schenkel; Christoph F. Uhlemann
2010-08-03T23:59:59.000Z
We study classical scalar field theories on noncommutative curved spacetimes. Following the approach of Wess et al. [Classical Quantum Gravity 22 (2005), 3511 and Classical Quantum Gravity 23 (2006), 1883], we describe noncommutative spacetimes by using (Abelian) Drinfel'd twists and the associated *-products and *-differential geometry. In particular, we allow for position dependent noncommutativity and do not restrict ourselves to the Moyal-Weyl deformation. We construct action functionals for real scalar fields on noncommutative curved spacetimes, and derive the corresponding deformed wave equations. We provide explicit examples of deformed Klein-Gordon operators for noncommutative Minkowski, de Sitter, Schwarzschild and Randall-Sundrum spacetimes, which solve the noncommutative Einstein equations. We study the construction of deformed Green's functions and provide a diagrammatic approach for their perturbative calculation. The leading noncommutative corrections to the Green's functions for our examples are derived.
The collision of two-kinks defects
T. S. Mendonça; H. P. de Oliveira
2015-02-13T23:59:59.000Z
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.