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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 wouldDECOMPOSITIONPortal Decision Support forDeepDehumidifying Heat
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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'sis Taking Over OurThe Iron SpinPrincetonUsingWhatY-12ZeroVariations of Tropical Cloud Regime
7. Saturn Atmospheric Structure and Dynamics Anthony D. Del Genio
Atmospheric, Oceanic & Planetary Physics, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, United Kingdom in the equatorial zone and slightly stronger winds occur at deeper levels. Eddies supply energy to the jets atmospheres similar to Jupiter. Zonal winds have remained fairly steady since the time of Voyager except
Endemic infections are always possible on regular networks Charo I. Del Genio1, 2, 3, 4,
Sengun, Mehmet Haluk
, and Thomas House1, 2, 3, 1Warwick Mathematics Institute, University of Warwick, Gibbet Hill Road, Coventry understanding of the spread of diseases [14]. A common approach, especially in ecological or spatially address: T.A.House@warwick.ac.uk that the size of the largest component in regular networks is always
Catherine Naud (Columbia Univ.) and Anthony Del Genio (GISS), New York
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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 Office511041clothAdvanced Materials Advanced. C o w l i t z C o .Fornl ProjectDeterminatIon
Microsoft PowerPoint - ARM_2008_poster_Wu_DelGenio
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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 Retrievals fromprocess usedGELustreMeasures of andMEASUREMENTS
Microsoft PowerPoint - DelGenio_ARM_STM_2007.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 82981-1cnHighand Retrievals fromprocessEstimating for Hydropower MarchCONVECTIVE
Morante, Silvia
SEMINARI FEL: Aula Grassano alle ore 14:30 Martedi' 13 Gennaio : Introduzione alla teoria del laser particelle/radiazione nei FEL con il codice di simulazione Perseo. Saranno presentati alcuni esempi pratici Ricerca ENEA di Frascati che è lo sviluppatore di uno dei codici di simulazione per i FEL (Perseo) e
Guidoni, Leonardo
Dipartimento nell'ambito del progetto di ricerca 'BrainLeap: A quantum leap: from a spike-centered brain: 'BrainLeap: A quantum leap: from a spike-centered brain universe to its underlying synaptic landscape
Guidoni, Leonardo
Dipartimento nell'ambito del progetto di ricerca 'BrainLeap: A quantum leap: from a spike-centered brain: 'BrainLeap: A quantum leap: from a spike-centered brain universe to its underlying synaptic landscape
alara center experience: Topics by E-print Network
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Jensen, Brookhaven National Laboratory A. Del Genio, NASA Goddard Institute for Space Research G. Heymsfield, A. Hou, and Mathew Schwaller, NASA Goddard Space Flight Center B. Orr,...
Barile, Laura
2010-01-01T23:59:59.000Z
Guastatori del Genio nella battaglia di Al-Alamein, e autorenel sessantesimo dalla Battaglia a pagina 2, a Romel vennedell’ignoranza. Di quella battaglia dell’occidente in terra
Supersymmetric Warped AdS in Extended Topologically Massive Supergravity
Nihat Sadik Deger; Ali Kaya; Henning Samtleben; Ergin Sezgin
2014-05-22T23:59:59.000Z
We determine the most general form of off-shell N=(1,1) supergravity field configurations in three dimensions by requiring that at least one off-shell Killing spinor exists. We then impose the field equations of the topologically massive off-shell supergravity and find a class of solutions whose properties crucially depend on the norm of the auxiliary vector field. These are spacelike-squashed and timelike-stretched AdS_3 for the spacelike and timelike norms, respectively. At the transition point where the norm vanishes, the solution is null warped AdS_3. This occurs when the coefficient of the Lorentz-Chern-Simons term is related to the AdS radius by $\\mu\\ell=2$. We find that the spacelike-squashed AdS_3 can be modded out by a suitable discrete subgroup of the isometry group, yielding an extremal black hole solution which avoid closed timelike curves.
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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 Office511041cloth DocumentationProducts (VAP) VAP7-0973 1 IntroductionActinideAdding New Functionality When a
Supergravity at the boundary of AdS supergravity
Amsel, Aaron J.; Compere, Geoffrey [Department of Physics, University of California, Santa Barbara, California 93106 (United States)
2009-04-15T23:59:59.000Z
We give a general analysis of AdS boundary conditions for spin-3/2 Rarita-Schwinger fields and investigate boundary conditions preserving supersymmetry for a graviton multiplet in AdS{sub 4}. Linear Rarita-Schwinger fields in AdS{sub d} are shown to admit mixed Dirichlet-Neumann boundary conditions when their mass is in the range 0{<=}|m|<1/2l{sub AdS}. We also demonstrate that mixed boundary conditions are allowed for larger masses when the inner product is 'renormalized' accordingly with the action. We then use the results obtained for |m|=1/l{sub AdS} to explore supersymmetric boundary conditions for N=1 AdS{sub 4} supergravity in which the metric and Rarita-Schwinger fields are fluctuating at the boundary. We classify boundary conditions that preserve boundary supersymmetry or superconformal symmetry. Under the AdS/CFT dictionary, Neumann boundary conditions in d=4 supergravity correspond to gauging the superconformal group of the three-dimensional CFT describing M2-branes, while N=1 supersymmetric mixed boundary conditions couple the CFT to N=1 superconformal topologically massive gravity.
Robbiano, Lorenzo
AVVISO Corsi di studio ad accesso programmato (Architettura e Medicina) - Bonus Maturità E' stata laurea a programmazione nazionale comprensiva del bonus maturità. I candidati interessati possono
New Massive Gravity and AdS_4 counterterms
Dileep P. Jatkar; Aninda Sinha
2011-04-06T23:59:59.000Z
We show that the recently proposed DBI extension of new massive gravity emerges naturally as a counterterm in AdS$_4$. The resulting on-shell Euclidean action is independent of the cut-off at zero temperature. We also find that the same choice of counterterm gives the usual area law for the AdS$_4$ Schwarzschild black hole entropy in a cut-off independent manner. The parameter values of the resulting counterterm action correspond to a $c=0$ theory in the context of AdS$_3$/CFT$_2$. We rewrite this theory in terms of the gauge field that is used to recast 3D gravity as a Chern-Simons theory.
Branes in AdS and pp-wave spacetimes
Kostas Skenderis; Marika Taylor
2002-07-03T23:59:59.000Z
We find half supersymmetric AdS-embeddings in AdS_5 x S^5 corresponding to all quarter BPS orthogonal intersections of D3-branes with Dp-branes. A particular case is the Karch-Randall embedding AdS_4 x S^2. We explicitly prove that these embeddings are supersymmetric by showing that the kappa symmetry projections are compatible with half of the target space Killing spinors and argue that all these cases lead to AdS/dCFT dualities involving a CFT with a defect. We also find an asymptotically AdS_4 x S^2 embedding that corresponds to a holographic RG-flow on the defect. We then consider the pp-wave limit of the supersymmetric AdS-embeddings and show how it leads to half supersymmetric D-brane embeddings in the pp-wave background. We systematically analyze D-brane embeddings in the pp-wave background along with their supersymmetry. We construct all supersymmetric D-branes wrapped along the light-cone using operators in the dual gauge theory: the open string states are constructed using defect fields. We also find supersymmetric D1 (monopoles) and D3 (giant gravitons) branes that wrap only one of the light-cone directions. These correspond to non-perturbative states in the dual gauge theory.
Wilson lines for AdS_5 black strings
Kiril Hristov; Stefanos Katmadas
2014-12-03T23:59:59.000Z
We describe a simple method of extending AdS_5 black string solutions of 5d gauged supergravity in a supersymmetric way by addition of Wilson lines along a circular direction in space. When this direction is chosen along the string, and due to the specific form of 5d supergravity that features Chern-Simons terms, the existence of magnetic charges automatically generates conserved electric charges in a 5d analogue of the Witten effect. Therefore we find a rather generic, model-independent way of adding electric charges to already existing solutions with no backreaction from the geometry or breaking of any symmetry. We use this method to explicitly write down more general versions of the Benini-Bobev black strings and comment on the implications for the dual field theory and the similarities with generalizations of the Cacciatori-Klemm black holes in AdS_4.
Lorentzian AdS geometries, wormholes, and holography
Arias, Raul E.; Silva, Guillermo A. [IFLP-CONICET and Departamento de Fisica Facultad de Ciencias Exactas, Universidad Nacional de La Plata , CC 67, 1900, La Plata (Argentina); Botta Cantcheff, Marcelo [Theory Division, CERN, 1211 Geneva 23 (Switzerland); IFLP-CONICET and Departamento de Fisica Facultad de Ciencias Exactas, Universidad Nacional de La Plata , CC 67, 1900, La Plata (Argentina)
2011-03-15T23:59:59.000Z
We investigate the structure of two-point functions for the quantum field theory dual to an asymptotically Lorentzian Anti de Sitter (AdS) wormhole. The bulk geometry is a solution of five-dimensional second-order Einstein-Gauss-Bonnet gravity and causally connects two asymptotically AdS spacetimes. We revisit the Gubser-Klebanov-Polyakov-Witten prescription for computing two-point correlation functions for dual quantum field theories operators O in Lorentzian signature and we propose to express the bulk fields in terms of the independent boundary values {phi}{sub 0}{sup {+-}} at each of the two asymptotic AdS regions; along the way we exhibit how the ambiguity of normalizable modes in the bulk, related to initial and final states, show up in the computations. The independent boundary values are interpreted as sources for dual operators O{sup {+-}} and we argue that, apart from the possibility of entanglement, there exists a coupling between the degrees of freedom living at each boundary. The AdS{sub 1+1} geometry is also discussed in view of its similar boundary structure. Based on the analysis, we propose a very simple geometric criterion to distinguish coupling from entanglement effects among two sets of degrees of freedom associated with each of the disconnected parts of the boundary.
Jet Quenching via Gravitational Radiation in Thermal AdS
Edward Shuryak; Ho-Ung Yee; Ismail Zahed
2011-10-04T23:59:59.000Z
We argue that classical bulk gravitational radiation effects in AdS/CFT, previously ignored because of their subleading nature in the 1/Nc-expansion, are magnified by powers of large Lorentz factors gamma for ultrarelativistic jets, thereby dominating other forms of jet energy loss in holography at finite temperature. We make use of the induced gravitational self-force in thermal AdS5 to estimate its effects. In a thermal medium, relativistic jets may loose most of their energy through longitudinal drag caused by the energy accumulated in their nearby field as they zip through the strongly coupled plasma.
AdS_6 solutions of type II supergravity
Fabio Apruzzi; Marco Fazzi; Achilleas Passias; Dario Rosa; Alessandro Tomasiello
2015-02-28T23:59:59.000Z
Very few AdS_6 x M_4 supersymmetric solutions are known: one in massive IIA, and two IIB solutions dual to it. The IIA solution is known to be unique; in this paper, we use the pure spinor approach to give a classification for IIB supergravity. We reduce the problem to two PDEs on a two-dimensional space Sigma. M_4 is then a fibration of S^2 over Sigma; the metric and fluxes are completely determined in terms of the solution to the PDEs. The results seem likely to accommodate near-horizon limits of (p,q)-fivebrane webs studied in the literature as a source of CFT_5's. We also show that there are no AdS_6 solutions in eleven-dimensional supergravity.
AdS_6 solutions of type II supergravity
Fabio Apruzzi; Marco Fazzi; Achilleas Passias; Dario Rosa; Alessandro Tomasiello
2015-04-03T23:59:59.000Z
Very few AdS_6 x M_4 supersymmetric solutions are known: one in massive IIA, and two IIB solutions dual to it. The IIA solution is known to be unique; in this paper, we use the pure spinor approach to give a classification for IIB supergravity. We reduce the problem to two PDEs on a two-dimensional space Sigma. M_4 is then a fibration of S^2 over Sigma; the metric and fluxes are completely determined in terms of the solution to the PDEs. The results seem likely to accommodate near-horizon limits of (p,q)-fivebrane webs studied in the literature as a source of CFT_5's. We also show that there are no AdS_6 solutions in eleven-dimensional supergravity.
The Mixed Phase of Charged AdS Black holes
Piyabut Burikham; Chatchai Promsiri
2015-01-20T23:59:59.000Z
We study the mixed phase of charged AdS black hole and radiation when the total energy is fixed below the threshold to produce a stable charged black hole branch. The coexistence conditions for the charged AdS black hole and radiation are derived for the generic case when radiation particles carry charge. The phase diagram of the mixed phase is demonstrated for both fixed potential and charge ensemble. In the dual gauge picture, they correspond to the mixed phase of quark-gluon plasma~(QGP) and hadron gas in the fixed chemical potential and density ensemble respectively. In the nuclei and heavy ion collisions at intermediate energies, the mixed phase of exotic QGP and hadron gas could be produced. The mixed phase will condensate and evaporate into the hadron gas as the fireball expands.
Higher derivative effects for 4d AdS gravity
Jelena Smolic; Marika Taylor
2013-02-13T23:59:59.000Z
Motivated by holography, we explore higher derivative corrections to four-dimensional Anti-de Sitter (AdS) gravity. We point out that in such a theory the variational problem is generically not well-posed given only a boundary condition for the metric. However, when one evaluates the higher derivative terms perturbatively on a leading order Einstein solution, the equations of motion are always second order and therefore the variational problem indeed requires only a boundary condition for the metric. The equations of motion required to compute the spectrum around the corrected background are still generically higher order, with the additional boundary conditions being associated with new operators in the dual conformal field theory. We discuss which higher derivative curvature invariants are expected to arise in the four-dimensional action from a top-down perspective and compute the corrections to planar AdS black holes and to the spectrum around AdS in various cases. Requiring that the dual theory is unitary strongly constrains the higher derivative terms in the action, as the operators associated with the extra boundary conditions generically have complex conformal dimensions and non-positive norms.
Quintessence and effective AdS brane geometries
K. Priyabrat Pandey; Abhishek K. Singh; Sunita Singh; Supriya Kar
2014-07-25T23:59:59.000Z
A geometric torsion dynamics leading to an effective curvature in a second order formalism on a D4-brane is revisited with a renewed interest. We obtain two effective $AdS_4$ brane geometries on a vacuum created pair of $(D{\\bar D})_3$-brane. One of them is shown to describe an AdS Schwarzschild spinning black hole and the other is shown to describe a spinning black hole bound state. It is argued that a D-instanton in a vacuum created anti D3-brane within a pair may describe a quintessence. It may seen to incorporate a varying vacuum energy density in a brane universe. We consider the effective curvature scalar on $S^1\\times S^1$ to analyze torsion-less geometries on a vacuum created pair of $(D{\\bar D})_2$-brane. The emergent $AdS_3$ brane is shown to describe a Schwarzschild and a Reissner-Nordstrom (RN) geometries in presence of extra dimension(s).
Quantum strings in AdS5 x S5 and AdS/CFT duality
A. A. Tseytlin
2009-09-23T23:59:59.000Z
We review some recent progress in understanding the spectrum of energies/dimensions of strings/operators in AdS5 x S5 -- planar N=4 super Yang-Mills correspondence. We consider leading strong coupling corrections to the energy of lightest massive string modes in AdS5 x S5, which should be dual to members of the Konishi operator multiplet in the SYM theory. This determines the general structure of strong-coupling expansion of the anomalous dimension of the Konishi operator. Following arXiv:0906.4294 we use 1-loop results for semiclassical string states to extract information about the leading coefficients in this expansion.
AdS String: Classical Solutions and Moduli Dynamics
Antal Jevicki; Kewang Jin
2010-01-29T23:59:59.000Z
We review some recent work and techniques for constructing dynamical string solutions in AdS spacetime. These solutions generalize the folded string and multi-spike solutions of GKP and Kruczenski. The methods developed for constructing these dynamical solutions are based on Pohlmeyer reduction to integrable sinh-Gordon type equations. The integrability of the equations is seen as the crucial tool for reconstruction of the string configurations. We discuss the physical meaning of these dynamical spike solutions and the question of their moduli space.
AdS Chern-Simons Gravity induces Conformal Gravity
Rodrigo Aros; Danilo E. Diaz
2013-12-25T23:59:59.000Z
The leitmotif of this paper is the question of whether four- and higher even-dimensional Conformal Gravities do have a Chern-Simons pedigree. We show that Weyl gravity can be obtained as dimensional reduction of a five-dimensional Chern-Simons action for a suitable (gauged-fixed, tractor-like) five-dimensional AdS connection. The gauge-fixing and dimensional reduction program admits a readily generalization to higher dimensions for the case of certain conformal gravities obtained by contractions of the Weyl tensor.
Entanglement Entropy and Duality in AdS(4)
Ioannis Bakas; Georgios Pastras
2015-03-02T23:59:59.000Z
Small variations of the entanglement entropy \\delta S and the expectation value of the modular Hamiltonian \\delta E are computed holographically for circular entangling curves in the boundary of AdS(4), using gravitational perturbations with general boundary conditions in spherical coordinates. Agreement with the first law of thermodynamics, \\delta S = \\delta E, requires that the line element of the entangling curve remains constant. In this context, we also find a manifestation of electric-magnetic duality for the entanglement entropy and the corresponding modular Hamiltonian, following from the holographic energy-momentum/Cotton tensor duality.
Entanglement Entropy and Duality in AdS(4)
Bakas, Ioannis
2015-01-01T23:59:59.000Z
Small variations of the entanglement entropy \\delta S and the expectation value of the modular Hamiltonian \\delta E are computed holographically for circular entangling curves in the boundary of AdS(4), using gravitational perturbations with general boundary conditions in spherical coordinates. Agreement with the first law of thermodynamics, \\delta S = \\delta E, requires that the line element of the entangling curve remains constant. In this context, we also find a manifestation of electric-magnetic duality for the entanglement entropy and the corresponding modular Hamiltonian, following from the holographic energy-momentum/Cotton tensor duality.
Entanglement Entropy and Duality in AdS(4)
Ioannis Bakas; Georgios Pastras
2015-04-30T23:59:59.000Z
Small variations of the entanglement entropy \\delta S and the expectation value of the modular Hamiltonian \\delta E are computed holographically for circular entangling curves in the boundary of AdS(4), using gravitational perturbations with general boundary conditions in spherical coordinates. Agreement with the first law of thermodynamics, \\delta S = \\delta E, requires that the line element of the entangling curve remains constant. In this context, we also find a manifestation of electric-magnetic duality for the entanglement entropy and the corresponding modular Hamiltonian, following from the holographic energy-momentum/Cotton tensor duality.
Fitzpatrick, A.Liam; /Boston U.; Kaplan, Jared; /SLAC
2012-02-14T23:59:59.000Z
We show that suitably regulated multi-trace primary states in large N CFTs behave like 'in' and 'out' scattering states in the flat-space limit of AdS. Their transition matrix elements approach the exact scattering amplitudes for the bulk theory, providing a natural CFT definition of the flat space S-Matrix. We study corrections resulting from the AdS curvature and particle propagation far from the center of AdS, and show that AdS simply provides an IR regulator that disappears in the flat space limit.
Small Hairy Black Holes in Global AdS Spacetime
Pallab Basu; Jyotirmoy Bhattacharya; Sayantani Bhattacharyya; R. Loganayagam; Shiraz Minwalla; V. Umesh
2010-05-16T23:59:59.000Z
We study small charged black holes in global AdS spacetime in the presence of a charged massless minimally coupled scalar field. In a certain parameter range these black holes suffer from well known superradiant instabilities. We demonstrate that the end point of the resultant tachyon condensation process is a hairy black hole which we construct analytically in a perturbative expansion in the black hole radius. At leading order our solution is a small undeformed RNAdS black hole immersed into a charged scalar condensate that fills the AdS `box'. These hairy black hole solutions appear in a two parameter family labelled by their mass and charge. Their mass is bounded from below by a function of their charge; at the lower bound a hairy black hole reduces to a regular horizon free soliton which can also be thought of as a nonlinear Bose condensate. We compute the microcanonical phase diagram of our system at small mass, and demonstrate that it exhibits a second order `phase transition' between the RNAdS black hole and the hairy black hole phases.
Marco M. Caldarelli; Joan Camps; Blaise Goutéraux; Kostas Skenderis
2014-04-18T23:59:59.000Z
We present a comprehensive analysis of the AdS/Ricci-flat correspondence, a map between a class of asymptotically locally AdS spacetimes and a class of Ricci-flat spacetimes. We provide a detailed derivation of the map, discuss a number of extensions and apply it to a number of important examples, such as AdS on a torus, AdS black branes and fluids/gravity metrics. In particular, the correspondence links the hydrodynamic regime of asymptotically flat black $p$-branes or the Rindler fluid with that of AdS. It implies that this class of Ricci-flat spacetimes inherits from AdS a generalized conformal symmetry and has a holographic structure. We initiate the discussion of holography by analyzing how the map acts on boundary conditions and holographic 2-point functions.
Social Media Ad Metrics Definitions
Collins, Gary S.
these metrics to encourage growth through consistency. Social media speaks to a new way of understanding howSocial Media Ad Metrics Definitions Released May 2009 #12;Social Media Metrics Definitions © 2008 & Social Media Committee. About the IAB's User-Generated Content & Social Media Committee: The User
Adding Value to Agricultural Products
Anderson, David P.; Hanselka, Daniel
2009-06-01T23:59:59.000Z
and some of the viscera into menudo or tripas. Booker Packing Company, Caviness Packing Company and J&B Foods are some of the compa- nies adding value to meat successfully in spite of processing costs. A recent survey of such companies indicated...
Iotti, Laura
2010-01-01T23:59:59.000Z
non potesse limitarsi ad una battaglia meramente letteraria,e che “persegue la sua bella battaglia contro tutte legrandiosità dei campi di battaglia e questo nel marzo del
Matching of correlators in AdS_3/CFT_2
Marika Taylor
2007-09-12T23:59:59.000Z
Recently exact agreement has been found between three-point correlators of chiral operators computed in string theory on AdS_3 x S^3 x T^4 with NS-NS flux and those computed in the symmetric orbifold CFT. However, it has also been shown that these correlators disagree with those computed in supergravity, under any identification of single particle operators which respects the symmetries. In this note we resolve this disagreement: the key point is that mixings with multi-particle operators are not suppressed even at large N in extremal correlators. Allowing for such mixings, orbifold/string theory operators and supergravity operators can be matched such that both non-extremal and extremal three point functions agree, giving further evidence for the non-renormalization of the chiral ring.
AdS strings with torsion: Noncomplex heterotic compactifications
Frey, Andrew R.; Lippert, Matthew [California Institute of Technology, Mail Code 452-48, Pasadena, California 91125 (United States); University of Kentucky, Lexington, Kentucky 40506, USA and University of Louisville, Louisville, Kentucky 40292 (United States)
2005-12-15T23:59:59.000Z
Combining the effects of fluxes and gaugino condensation in heterotic supergravity, we use a ten-dimensional approach to find a new class of four-dimensional supersymmetric AdS{sub 4} compactifications on almost-Hermitian manifolds of SU(3) structure. Computation of the torsion allows a classification of the internal geometry, which for a particular combination of fluxes and condensate, is nearly Kaehler. We argue that all moduli are fixed, and we show that the Kaehler potential and superpotential proposed in the literature yield the correct AdS{sub 4} radius. In the nearly Kaehler case, we are able to solve the H Bianchi identity using a nonstandard embedding. Finally, we point out subtleties in deriving the effective superpotential and understanding the heterotic supergravity in the presence of a gaugino condensate.
The Analytic Bootstrap and AdS Superhorizon Locality
A. Liam Fitzpatrick; Jared Kaplan; David Poland; David Simmons-Duffin
2013-01-24T23:59:59.000Z
We take an analytic approach to the CFT bootstrap, studying the 4-pt correlators of d > 2 dimensional CFTs in an Eikonal-type limit, where the conformal cross ratios satisfy |u| 2\\Delta_\\phi + 2n for each integer n as l -> infinity. We show how the rate of approach is controlled by the twist and OPE coefficient of the leading twist operator in the \\phi x \\phi OPE, and we discuss SCFTs and the 3d Ising Model as examples. Additionally, we show that the OPE coefficients of other large spin operators appearing in the OPE are bounded as l -> infinity. We interpret these results as a statement about superhorizon locality in AdS for general CFTs.
Vortex hair on AdS black holes
Gregory, Ruth; Kubiznak, David; Mann, Robert B; Wills, Danielle
2014-01-01T23:59:59.000Z
We analyse vortex hair for charged rotating asymptotically AdS black holes in the abelian Higgs model. We give analytical and numerical arguments to show how the vortex interacts with the horizon of the black hole, and how the solution extends to the boundary. The solution is very close to the corresponding asymptotically flat vortex, once one transforms to a frame that is non-rotating at the boundary. We show that there is a Meissner effect for extremal black holes, with the vortex flux being expelled from sufficiently small black holes. The phase transition is shown to be first order in the presence of rotation, but second order without rotation. We comment on applications to holography.
Demeio, Lucio
attorno ad un asse fisso con velocit`a angolare costante e stabili rispetto a piccole perturbazioni. Lo attorno ad un asse `e un moto del corpo rigido in cui la velocit`a angolare `e costante in direzione, modulo e verso; la di- rezione di `e l'asse di rotazione. Una rotazione stazionaria si dice stabile se
AD&D insurance offers three coverage options
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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)8Li (59AJ76) (See the EnergyTAMANG, APIL. A Multilevel224thAD&D
AEI-2008-085 The Classical Exchange Algebra of AdS5 S5
Paris-Sud XI, Université de
AEI-2008-085 The Classical Exchange Algebra of AdS5 × S5 String Theory Marc Magro Universit´e de matrix of AdS5× S5 string theory in the Green-Schwarz formulation is determined by using a first the pure spinor description of AdS5 × S5 string theory. These results are compared to the one obtained by A
On Rotating and Oscillating Four-Spin Strings in AdS5 X S5
Kamal L. Panigrahi; Pabitra M. Pradhan
2012-10-26T23:59:59.000Z
We study rigidly rotating strings in AdS5 X S5 background with one spin along AdS5 and three angular momenta along S5. We find dispersion relations among various charges and interpret them as giant magnon and spiky string solutions in various limits. Further we present an example of oscillating string which oscillates in the radial direction of the AdS5 and at the same time rotates in S5.
On Rotating and Oscillating Four-Spin Strings in AdS5 X S5
Panigrahi, Kamal L
2012-01-01T23:59:59.000Z
We study rigidly rotating strings in AdS5 X S5 background with one spin along AdS5 and three angular momenta along S5. We find dispersion relations among various charges and interpret them as giant magnon and spiky string solutions in various limits. Further we present an example of oscillating string which oscillates in the radial direction of the AdS5 and at the same time rotates in S5.
Kaolin AD | Open Energy Information
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 are8COaBulkTransmissionSitingProcess.pdfGetecGtelInteriasIowa: EnergyKanabec County,Kaolin AD Jump to: navigation,
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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 AdministrationField8,Dist. CategoryFebruaryFebruaryInThe, 2015Ads Subscribe |
Adding structure to agent programming languages
Zachmann, Gabriel
Zachmann (Computer Graphics) #12;Adding structure to agent programming languages Peter NovÃ¡k, JÃ¼rgen Dix
The inside outs of AdS(3)/CFT(2): Exact AdS wormholes with entangled CFT duals
Gautam Mandal; Ritam Sinha; Nilakash Sorokhaibam
2014-11-03T23:59:59.000Z
We present the complete family of solutions of 3D gravity (Lambda<0) with two asymptotically AdS exterior regions. The solutions are constructed from data at the two boundaries, which correspond to two independent and arbitrary stress tensors T_R, \\bar T_R, and T_L, \\bar T_L. The two exteriors are smoothly joined on to an interior region through a regular horizon. We find CFT duals of these geometries which are entangled states of two CFT's. We compute correlators between general operators at the two boundaries and find perfect agreement between CFT and bulk calculations. We calculate and match the CFT entanglement entropy (EE) with the holographic EE which involves geodesics passing through the wormhole. We also compute a holographic, non-equilibrium entropy for the CFT using properties of the regular horizon. The construction of the bulk solutions here uses an exact version of Brown-Henneaux type diffeomorphisms which are asymptotically nontrivial and transform the CFT states by two independent unitary operators on the two sides. Our solutions provide an infinite family of explicit examples of the ER=EPR relation of Maldacena and Susskind [arXiv:1306.0533].
Online Effects of Offline Ads Diane Lambert
Tomkins, Andrew
a methodology for assessing how ad campaigns in offline media such as print, audio and TV affect online in-in-difference estimation, Lift, Causal Modeling, Bootstrapping 1. INTRODUCTION Loosely speaking, an ad is effective was conducted in an offline medium such as print, radio or TV. That is, one measure of offline ad effectiveness
Tunneling between the giant gravitons in AdS5 x S5
Julian Lee
2001-04-05T23:59:59.000Z
I consider the giant gravitons in AdS5 x S5. By numerical simulation, I show a strong indication that there is no instanton solution describing the direct tunneling between the giant graviton in the S5 and its dual counterpart in the AdS5. I argue that it supports the supersymmetry breaking scenario suggested in hep-th/0008015
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University Policy No.: AD2530 Classification: Administration PHOTOCOPY AND FACSIMILE (FAX may be obtained through library managed machines or through the use of personal accounts. 1
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spin fields in AdS(5) HEP - Theory (arXiv) Summary: Free arbitrary spin massless and self-dual massive fields propagating in AdS5 are investigated. We study totally...
AdS (In)stability: Lessons From The Scalar Field
Pallab Basu; Chethan Krishnan; P. N. Bala Subramanian
2015-01-29T23:59:59.000Z
We argued in arXiv:1408.0624 that the quartic scalar field in AdS has features that could be instructive for answering the gravitational stability question of AdS. Indeed, the conserved charges identified there have recently been observed in the full gravity theory as well. In this paper, we continue our investigation of the scalar field in AdS and provide evidence that in the Two-Time Formalism (TTF), even for initial conditions that are far from quasi-periodicity, the energy in the higher modes at late times is exponentially suppressed in the mode number. Based on this and some related observations, we argue that there is no thermalization in the scalar TTF model within time-scales that go as $\\sim 1/\\epsilon^2$, where $\\epsilon$ measures the initial amplitude (with only low-lying modes excited). It is tempting to speculate that the result holds also for AdS collapse.
Duality invariance of $s \\ge 3/2$ fermions in AdS
S. Deser; D. Seminara
2014-09-11T23:59:59.000Z
We show that in D=4 AdS, $s\\ge 3/2$ partially massless (PM) fermions retain the duality invariances of their flat space massless counterparts. They have tuned ratios $ {m^2}/{M^2}\
Splitting of Folded Strings in AdS_4*CP^3
Jun-Bao Wu
2012-08-04T23:59:59.000Z
We study classically splitting of two kinds of folded string solutions in AdS_4*CP^3. Conserved charges of the produced fragments are computed for each case. We find interesting patterns among these conserved charges.
Distributed services for mobile ad hoc networks
Cao, Guangtong
2005-11-01T23:59:59.000Z
A mobile ad hoc network consists of certain nodes that communicate only through wireless medium and can move arbitrarily. The key feature of a mobile ad hoc network is the mobility of the nodes. Because of the mobility, communication links form...
Freivogel, Ben; /Stanford U., Phys. Dept. /LBL, Berkeley; Hubeny, Veronika E.; /LBL, Berkeley /Durham U., Dept. of Math.; Maloney, Alexander; /Stanford U., Phys. Dept.; Myers, Rob; /Perimeter Inst. Theor. Phys. /Waterloo U.; Rangamani, Mukund; /LBL, Berkeley /Durham U., Dept. of Math.; Shenker, Stephen; /Stanford U., Phys. Dept.
2005-10-07T23:59:59.000Z
We study the realization of inflation within the AdS/CFT correspondence. We assume the existence of a string landscape containing at least one stable AdS vacuum and a (nearby) metastable de Sitter state. Standard arguments imply that the bulk physics in the vicinity of the AdS minimum is described by a boundary CFT. We argue that large enough bubbles of the dS phase, including those able to inflate, are described by mixed states in the CFT. Inflating degrees of freedom are traced over and do not appear explicitly in the boundary description. They nevertheless leave a distinct imprint on the mixed state. Analytic continuation allows us, in principle, to recover a large amount of nonperturbatively defined information about the inflating regime. Our work also shows that no scattering process can create an inflating region, even by quantum tunneling, since a pure state can never evolve into a mixed state under unitary evolution.We study the realization of inflation within the AdS/CFT correspondence. We assume the existence of a string landscape containing at least one stable AdS vacuum and a (nearby) metastable de Sitter state. Standard arguments imply that the bulk physics in the vicinity of the AdS minimum is described by a boundary CFT. We argue that large enough bubbles of the dS phase, including those able to inflate, are described by mixed states in the CFT. Inflating degrees of freedom are traced over and do not appear explicitly in the boundary description. They nevertheless leave a distinct imprint on the mixed state. Analytic continuation allows us, in principle, to recover a large amount of nonperturbatively defined information about the inflating regime. Our work also shows that no scattering process can create an inflating region, even by quantum tunneling, since a pure state can never evolve into a mixed state under unitary evolution.
AdS black hole solutions in dilatonic Einstein-Gauss-Bonnet gravity
Maeda, Kei-ichi [Department of Physics, Waseda University, Shinjuku, Tokyo 169-8555 (Japan); Advanced Research Institute for Science and Engineering, Waseda University, Shinjuku, Tokyo 169-8555 (Japan); Ohta, Nobuyoshi [Department of Physics, Kinki University, Higashi-Osaka, Osaka 577-8502 (Japan); Sasagawa, Yukinori [Department of Physics, Waseda University, Shinjuku, Tokyo 169-8555 (Japan)
2011-02-15T23:59:59.000Z
We find that anti-de Sitter (AdS) spacetime with a nontrivial linear dilaton field is an exact solution in the effective action of the string theory, which is described by gravity with the Gauss-Bonnet curvature terms coupled to a dilaton field in the string frame without a cosmological constant. The AdS radius is determined by the spacetime dimensions and the coupling constants of curvature corrections. We also construct the asymptotically AdS black hole solutions with a linear dilaton field numerically. We find these AdS black holes for hyperbolic topology and in dimensions higher than four. We discuss the thermodynamical properties of those solutions. Extending the model to the case with the even-order higher Lovelock curvature terms, we also find the exact AdS spacetime with a nontrivial dilaton. We further find a cosmological solution with a bounce of three-dimensional space and a solitonic solution with a nontrivial dilaton field, which is regular everywhere and approaches an asymptotically AdS spacetime.
Student Competition: Siting Potential Dams at Camp Del Webb, Utah
Wamser, William Kyle
2007-11-14T23:59:59.000Z
Siting Potential Dams at Camp Del Webb, Utah Presented By: Kyle Wamser Problem ? Camp Del Webb is Lacking an Onsite Lake ? High Adventure Bases generally need aquatics ? Large lake nearby, but transportation is required ? Possible Solution... hillshade ? Finding Possible Lake Locations ? Added three potential dam sites ? Calculated watersheds ? Extended dams through terrain to prevent runoff on the sides ? Calculated watershed dam elevation, which identified lakes Results...
The Tetrahedron Zamolodchikov Algebra and the AdS5 x S5 S-matrix
Mitev, Vladimir; Tsuboi, Zengo
2012-01-01T23:59:59.000Z
The S-matrix of the AdS5 x S5 string theory is a tensor product of two centrally extended su(2|2) S-matrices, each of which is related to the R-matrix of the Hubbard model. The R-matrix of the Hubbard model was first found by Shastry, who ingeniously exploited the fact that, for zero coupling, the Hubbard model can be decomposed into two XX models. In this article, we review and clarify this construction from the AdS/CFT perspective and investigate the implications this has for the AdS5 x S5 S-matrix.
The Tetrahedron Zamolodchikov Algebra and the AdS5 x S5 S-matrix
Vladimir Mitev; Matthias Staudacher; Zengo Tsuboi
2012-10-08T23:59:59.000Z
The S-matrix of the AdS5 x S5 string theory is a tensor product of two centrally extended su(2|2) S-matrices, each of which is related to the R-matrix of the Hubbard model. The R-matrix of the Hubbard model was first found by Shastry, who ingeniously exploited the fact that, for zero coupling, the Hubbard model can be decomposed into two XX models. In this article, we review and clarify this construction from the AdS/CFT perspective and investigate the implications this has for the AdS5 x S5 S-matrix.
Higher spins in AdS_5 at one loop: vacuum energy, boundary conformal anomalies and AdS/CFT
M. Beccaria; A. A. Tseytlin
2014-11-18T23:59:59.000Z
We consider general-symmetry higher spin fields in AdS_5 and derive expressions for their one-loop corrections to vacuum energy E and the associated 4d boundary conformal anomaly a-coefficient. We a propose a similar expression for the second conformal anomaly c-coefficient. We show that all the three quantities (E, a, c) computed for N=8 gauged 5d supergravity are -1/2 of the values for N=4 conformal 4d supergravity and also twice the values for N=4 Maxwell multiplet. This gives 5d derivation of the fact that the system of N=4 conformal supergravity and four N=4 Maxwell multiplets is anomaly free. The values of (E, a, c) for the states at level p of Kaluza-Klein tower of 10d type IIB supergravity compactified on S^5 turn out to be equal to those for p copies of N=4 Maxwell multiplets. This may be related to the fact that these states appear in the tensor product of p superdoubletons. Under a natural regularization of the sum over p, the full 10d supergravity contribution is then minus that of the Maxwell multiplet, in agreement with the standard adjoint AdS/CFT duality (SU(n) SYM contribution is n^2-1 of one Maxwell multiplet). We also verify the matching of (E, a, c) for spin 0 and 1/2 boundary theory cases of vectorial AdS/CFT duality. The consistency conditions for vectorial AdS/CFT turn out to be equivalent to the cancellation of anomalies in the closely related 4d conformal higher spin theories. In addition, we study novel example of vectorial AdS/CFT duality when the boundary theory is described by free spin 1 fields and is dual to a particular higher spin theory in AdS_5 containing fields in mixed-symmetry representations. We also discuss its supersymmetric generalizations.
IT Licentiate theses Ad Hoc Routing Protocol
Flener, Pierre
IT Licentiate theses 2005-004 Ad Hoc Routing Protocol Validation OSKAR WIBLING UPPSALA UNIVERSITY SWEDEN Dissertation for the degree of Licentiate of Technology in Computer Science at Uppsala University
University Policy No.: AD2215 Classification: Administration
Victoria, University of
University Policy No.: AD2215 Classification: Administration Approving Authority: Board of Governors LICENSING PROGRAM POLICY Effective Date: June/90 Supersedes: Last Editorial Change: Mandated Review: 1. This statement applies to the policies and administration of trademarks registered
University Policy No.: AD2210 Classification: Administration
Victoria, University of
University Policy No.: AD2210 Classification: Administration FIELDWORK AND INTERNATIONAL Approving Authority: President TRAVEL RISK MANAGEMENT POLICY Effective Date: November/07 Supersedes: New Last Editorial Change: Mandated Review: November/14 Purpose 1. The purpose of the policy
Virtual infrastructure for wireless ad hoc networks
Gilbert, Seth, 1976-
2007-01-01T23:59:59.000Z
One of the most significant challenges introduced by ad hoc networks is coping with the unpredictable deployment, uncertain reliability, and erratic communication exhibited by emerging wireless networks and devices. The ...
Missouri Value-Added Grant Program (Missouri)
Broader source: Energy.gov [DOE]
The Missouri Value-Added Grant Program provides grants for projects that add value to Missouri agricultural products and aid the economy of a rural community. Grant applications will be considered...
Testing the AdS/CFT Correspondence
Klebanov, Igor R. [Joseph Henry Laboratories and Princeton Center for Theoretical Science, Princeton University, Princeton, NJ 08544 (United States)
2008-07-28T23:59:59.000Z
This lecture begins with some history and basic facts about string theory and its connections with strong interactions. Comparisons of stacks of Dirichlet branes with curved backgrounds produced by them are used to motivate the AdS/CFT correspondence between superconformal gauge theory and string theory on a product of Anti-de Sitter space and a compact manifold. The ensuing duality between semi-classical spinning strings and long gauge theory operators is briefly reviewed. We go on to describe a recent test of the AdS/CFT correspondence using the Wilson loop cusp anomaly as a function of the coupling, which also enters dimensions of high-spin operators. Finally, strongly coupled thermal SYM theory is explored via a black hole in 5-dimensional AdS space, which leads to explicit results for its entropy and shear viscosity.
Distributed algorithms for mobile ad hoc networks
Malpani, Navneet
2001-01-01T23:59:59.000Z
We first present two new leader election algorithms for mobile ad hoc networks. The algorithms ensure that eventually each connected component of the topology graph has exactly one leader. The algorithms are based on a routing algorithm called TORA...
AUAARHUS UNIVERSITY Adding of attachments Financial Control
, and the picture file from this scan must be saved (on a PC or server) before the file is added to the expense sheet. Important: Attachments must be saved in PDF or TIF format. If the attachment is not added in one address or save the picture file on your PC or a server. Open the file and save it on your PC #12;AUAARHUS
Ohta, Shigemi
properties available in the tropical western Pacific outside of Australia. A third nonequatorial site; Jakob--Monash University, Melbourne, Australia CORRESPONDING AUTHOR: Dr. Charles N. Long, Pacific WESTERN PACIFIC A DECADE AND COUNTING by c. n. Long, s. a. McFarLane, a. deL genio, P. Minnis, t. P. acker
Atmos. Chem. Phys., 10, 76857696, 2010 www.atmos-chem-phys.net/10/7685/2010/
-direct effects on cloud cover: review and synthesis D. Koch1,2 and A. D. Del Genio2 1Columbia University, New incoming solar radiation, perturb the temperature structure of the atmosphere, and influence cloud cover type. We at- tempt to categorize the effects into several likely regimes. Cloud cover is decreased
Holographic superconductors in the AdS black hole spacetime with a global monopole
Songbai Chen; Liancheng Wang; Chikun Ding; Jiliang Jing
2010-06-08T23:59:59.000Z
We study holographic superconductors in the Schwarzschild-AdS black hole with a global monopole through a charged complex scalar field. We calculate the condensates of the charged operators in the dual conformal field theories (CFTs) and discuss the effects of the global monopole on the condensation formation. Moreover, we compute the electric conductive using the probe approximation and find that the properties of the conductive are quite similar to those in the Schwarzschild-AdS black hole. These results can help us know more about holographic superconductors in the asymptotic AdS black holes.
Bonus Symmetries of N=4 Super-Yang-Mills Correlation Functions via AdS Duality
Kenneth Intriligator
1999-05-03T23:59:59.000Z
General conjectures about the SL(2,Z) modular transformation properties of N=4 super-Yang-Mills correlation functions are presented. It is shown how these modular transformation properties arise from the conjectured duality with IIB string theory on AdS_5 x S^5. We discuss in detail a prediction of the AdS duality: that N=4 field theory, in an appropriate limit, must exhibit bonus symmetries, corresponding to the enhanced symmetries of IIB string theory in its supergravity limit.
Al Prof. Luca Beltrametti Direttore del Dipartimento di Economia
Robbiano, Lorenzo
Mod. D3 Al Prof. Luca Beltrametti Direttore del Dipartimento di Economia Indirizzo Via Vivaldi 5, Darsena, Genova n. fax. 010 2095208 e-mail: direttore@economia.unige.it Oggetto: votazioni in data 18 Economia, con mandato fino al 31.10.2015. Richiesta di pubblicizzazione della disponibilità ad essere
Building America Expert Meeting: Key Innovations for Adding Energy...
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Key Innovations for Adding Energy Efficiency to Maintenance Projects Building America Expert Meeting: Key Innovations for Adding Energy Efficiency to Maintenance Projects This...
Addendum Added to Innovative Demonstration of Geothermal Energy...
Office of Environmental Management (EM)
Addendum Added to Innovative Demonstration of Geothermal Energy Production FOA Addendum Added to Innovative Demonstration of Geothermal Energy Production FOA July 2, 2010 - 2:13pm...
Adaptive Scheduling in Ad Hoc and Cellular Wireless Networks
Tan, Choo Chin
2013-01-01T23:59:59.000Z
organization wireless networks and wireless mobile ad-hocfor heterogeneous wireless network”, in Proc. of IEEER. Khalaf, “Ad hoc wireless networks with mobile backbones,”
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the channel utilization of multihop wireless networks. Keywords: Mobile ad hoc networks, medium access control, this is not necessarily true in a mobile ad hoc network (MANET)...
Hawking radiation for a scalar field conformally coupled to an AdS black hole
P. Valtancoli
2015-02-05T23:59:59.000Z
The decomposition in normal modes of a scalar field conformally coupled to an AdS black hole leads to a Heun equation with simple coefficients thanks to conformal invariance. By applying the Damour-Ruffini method we can relate the critical exponent of the radial part at the horizon surface to the Hawking radiation of scalar particles.
S-matrix for strings on $\\eta$-deformed AdS5 x S5
Arutyunov, Gleb; Frolov, Sergey
2014-01-01T23:59:59.000Z
We determine the bosonic part of the superstring sigma model Lagrangian on $\\eta$-deformed AdS5 x S5, and use it to compute the perturbative world-sheet scattering matrix of bosonic particles of the model. We then compare it with the large string tension limit of the q-deformed S-matrix and find exact agreement.
S-matrix for strings on $?$-deformed AdS5 x S5
Gleb Arutyunov; Riccardo Borsato; Sergey Frolov
2014-04-07T23:59:59.000Z
We determine the bosonic part of the superstring sigma model Lagrangian on $\\eta$-deformed AdS5 x S5, and use it to compute the perturbative world-sheet scattering matrix of bosonic particles of the model. We then compare it with the large string tension limit of the q-deformed S-matrix and find exact agreement.
Bound State Transfer Matrix for AdS5 x S5 Superstring
Gleb Arutyunov; Marius de Leeuw; Ryo Suzuki; Alessandro Torrielli
2009-09-17T23:59:59.000Z
We apply the algebraic Bethe ansatz technique to compute the eigenvalues of the transfer matrix constructed from the general bound state S-matrix of the light-cone AdS5 x S5 superstring. This allows us to verify certain conjectures on the quantum characteristic function, and to extend them to the general case.
The Thermal Scalar and Random Walks in AdS3 and BTZ
Thomas G. Mertens; Henri Verschelde; Valentin I. Zakharov
2014-07-08T23:59:59.000Z
We analyze near-Hagedorn thermodynamics of strings in the WZW $AdS_3$ model. We compute the thermal spectrum of all primaries and find the thermal scalar explicitly in the string spectrum using CFT twist techniques. Then we use the link to the Euclidean WZW BTZ black hole and write down the Euclidean BTZ spectrum. We give a Hamiltonian interpretation of the thermal partition function of angular orbifolds where we find a reappearance of discrete states that dominate the partition function. Using these results, we discuss the nature of the thermal scalar in the WZW BTZ model. As a slight generalization of the angular orbifolds, we discuss the $AdS_3$ string gas with a non-zero chemical potential corresponding to angular momentum around the spatial cigar. For this model as well, we determine the thermal spectrum and the Hagedorn temperature as a function of chemical potential. Finally the nature of $\\alpha'$ corrections to the $AdS_3$ thermal scalar action is analyzed and we find the random walk behavior of highly excited strings in this particular $AdS_3$ background.
Holographic superconductors in the AdS black hole with a magnetic charge
M. R. Setare; D. Momeni; R. Myrzakulov; Muhammad Raza
2012-11-17T23:59:59.000Z
In this work we study the analytical properties of a 2+1 dimensional magnetically charged holographic superconductor in $AdS_4$. We obtain the critical chemical potential $\\mu_c$ analytically, using the Sturm-Liouville variational approach. Also, the obtained analytic result can be used to back up the numerical computations in the holographic superconductor in the probe limit.
Multi-Spin Strings in AdS_4*CP^3 and its ?-deformation
Jun-Bao Wu
2013-05-31T23:59:59.000Z
In this paper, we study the multi-spin string solutions in AdS_4*CP^3 and its \\beta-deformation with real \\beta. We give various explicit solutions after some general studies. Conserved charges are computed for these explicit solutions.
Action Principles for Transgression and Chern-Simons AdS Gravities
Pablo Mora
2014-08-06T23:59:59.000Z
Chern-Simons gravities are theories with a lagrangian given by a Chern-Simons form constructed from a space-time gauge group. In previous investigations we showed that, for some special field configurations that are solutions of the field equations, the extension from Chern-Simons to Transgression forms as lagrangians, motivated by gauge invariance, automatically yields the boundary terms required to regularize the theory, giving finite conserved charges and black hole thermodynamics. Further work by other researchers showed that one of the action functionals considered in the above mentioned work yields a well defined action principle in the metric (zero torsion) case and for asymptotically Anti de Sitter (AdS) space-times. In the present work we consider several action functionals for Chern-Simons AdS gravity constructed from Transgression forms, and show the action principles to be well defined and the Noether charges and Euclidean action to be finite for field configurations satisfying only that the gauge field curvature (field strength) for the AdS gauge group is asymptotically finite. For that purpose we consider an asymptotic expansion of the vielbein and spin connection that may be regarded as a perturbation of an AdS space-time, but allowing a non zero torsion. Our results are of potential interest for Lovelock gravity theories, as it has been shown that the boundary terms dictated by the transgressions for Chern-Simons gravities are also suitable to regularize Lovelock theories.
Killing spinors, the adS black hole and I(ISO(2,1)) gravity
R. B. Mann; G. Papadopoulos
1996-06-12T23:59:59.000Z
We construct a supersymmetric extension of the $I\\big(ISO(2,1)\\big)$ Chern-Simons gravity and show that certain particle-like solutions and the adS black-hole solution of this theory are supersymmetric.
Jacopo Bechi
2009-09-25T23:59:59.000Z
This paper focuses on some issues about condensates and renormalization in AdS/QCD models. In particular we consider the consistency of the AdS/QCD approach for scale dependent quantities as the chiral condensate questioned in some recent papers and the 4D meaning of the 5D cosmological constant in a model in which the QCD is dual to a 5D gravity theory. We will be able to give some arguments that the cosmological constant is related to the QCD gluon condensate.
Ad Lucem: Modeling Market Transformation Pathways Workshop
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 Your Destiny: The Future of1 AAccelerated aging of1.1Energy DPF forWorkshop Welcome AdAD
R-charged AdS_{5} black holes and large N unitary matrix models
Pallab Basu; Spenta R. Wadia
2005-07-20T23:59:59.000Z
Using the AdS/CFT, we establish a correspondence between the intricate thermal phases of R-charged AdS_{5} blackholes and the R-charge sector of the N=4 gauge theory, in the large N limit. Integrating out all fields in the gauge theory except the thermal Polyakov line, leads to an effective unitary matrix model. In the canonical ensemble, a logarithmic term is generated in the non-zero charge sector of the matrix model. This term is important to discuss various supergravity properties like i) the non-existence of thermal AdS as a solution, ii) the existence of a point of cusp catastrophe in the phase diagram and iii) the matching of saddle points and the critical exponents of supergravity and those of the effective matrix model.
Holographic Thermalization, stability of AdS, and the Fermi-Pasta-Ulam-Tsingou paradox
Venkat Balasubramanian; Alex Buchel; Stephen R. Green; Luis Lehner; Steven L. Liebling
2014-06-16T23:59:59.000Z
For a real massless scalar field in general relativity with a negative cosmological constant, we uncover a large class of spherically symmetric initial conditions that are close to AdS, but whose numerical evolution does not result in black hole formation. According to the AdS/CFT dictionary, these bulk solutions are dual to states of a strongly interacting boundary CFT that fail to thermalize at late times. Furthermore, as these states are not stationary, they define dynamical CFT configurations that do not equilibrate. We develop a two-timescale perturbative formalism that captures both direct and inverse cascades of energy and agrees with our fully nonlinear evolutions in the appropriate regime. We also show that this formalism admits a large class of quasi-periodic solutions. Finally, we demonstrate a striking parallel between the dynamics of AdS and the classic Fermi-Pasta-Ulam-Tsingou problem.
Deeply Virtual Compton Scattering and Higgs Production Using the Pomeron in AdS
Richard C. Brower; Miguel S. Costa; Marko Djuri?; Chung-I Tan
2012-10-04T23:59:59.000Z
In the past decade overwhelming evidence has emerged for a conjectured duality between a wide class of gauge theories in d dimensions and string theories on asymptotically AdS_{d+1} spaces. We apply this duality to scattering processes that occur via Pomeron exchange. First we develop the Pomeron in string theory, as done by Brower, Polchinski, Strassler and Tan, showing that it naturally emerges as the Regge Trajectory of the AdS graviton. Next we apply the AdS Pomeron to the study of Deeply Virtual Compton Scattering (DVCS), and see that our model gives good results when compared to HERA data. We then show how we can extend our results to double Pomeron exchange, and apply it to developing a formalism for the study of double diffractive Higgs production.
The Classical Exchange Algebra of AdS5 x S5 String Theory
Marc Magro
2009-01-07T23:59:59.000Z
The classical exchange algebra satisfied by the monodromy matrix of AdS5 x S5 string theory in the Green-Schwarz formulation is determined by using a first-order Hamiltonian formulation and by adding to the Bena-Polchinski-Roiban Lax connection terms proportional to constraints. This enables in particular to show that the conserved charges of this theory are in involution. This result is obtained for a general world-sheet metric. The same exchange algebra is obtained within the pure spinor description of AdS5 x S5 string theory. These results are compared to the one obtained by A. Mikhailov and S. Schaefer-Nameki for the pure spinor formulation.
Clock synchronization for mobile ad hoc networks
Chandra, Rajan
2013-02-22T23:59:59.000Z
Time Protocol) used in wired networks (e.g. Internet) to Mobile Ad Hoc Networks (MANets). It may also be achieved by developing other algorithms that achieve clock synchronization and may be suitable for MANets. Using the Network Time Protocol (NTP...
University Policy No.: AD2300 Classification: Administration
Victoria, University of
University Policy No.: AD2300 Classification: Administration Approving Authority: President FLAG DISPLAY POLICY Effective Date: March/08 Supersedes: June/99 Last Editorial Change: Mandated Review: March/15 PURPOSE 1.00 The purpose of this policy is to provide guidance on the display of flags
Measuring value added characteristics in feeder cattle
Mathews, Crystal Dawn
2009-05-15T23:59:59.000Z
, cyclical effects, lot size, weight, breed type, sex, commingling, fed cattle futures price, and corn price were all found to have an impact on the sale price of feeder cattle. Feeder calves sold through MFA Health Track Beef Alliance and other value added...
Marius de Leeuw; Takuya Matsumoto; Sanefumi Moriyama; Vidas Regelskis; Alessandro Torrielli
2012-04-11T23:59:59.000Z
We discuss special quantum group (secret) symmetries of the integrable system associated to the AdS/CFT correspondence. These symmetries have by now been observed in a variety of forms, including the spectral problem, the boundary scattering problem, n-point amplitudes, the pure-spinor formulation and quantum affine deformations.
de Leeuw, Marius; Moriyama, Sanefumi; Regelskis, Vidas; Torrielli, Alessandro
2012-01-01T23:59:59.000Z
We discuss special quantum group (secret) symmetries of the integrable system associated to the AdS/CFT correspondence. These symmetries have by now been observed in a variety of forms, including the spectral problem, the boundary scattering problem, n-point amplitudes, the pure-spinor formulation and quantum affine deformations.
AD CONTENT CHECK LIST: o Company logo
Zakharov, Vladimir
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Training Needs in Louisiana's Value-Added Forest Products Industry
Training Needs in Louisiana's Value-Added Forest Products Industry Richard VloskyRichard Vlosky-Added Training in Other States · The Need for Training in Louisiana-Past Research #12;Industry Development & Adding Value #12;Value-Added Industry Development is Multi-Faceted Marketing Workforce Training Strategic
Ryu, Jee-Hwan
A/D , MUX and REFS update #12;Korea University of Technology and Education ADSC=1 of Technology and Education Korea University of Technology and Education A/D converter #12;Korea University of Technology and Education () AD > -> X = 1 Korea University of Technology and Education AD #12;Korea
Universality of Long-Distance AdS Physics from the CFT Bootstrap
A. Liam Fitzpatrick; Jared Kaplan; Matthew T. Walters
2014-07-10T23:59:59.000Z
We begin by explicating a recent proof of the cluster decomposition principle in AdS_{d+1} from the CFT_d bootstrap in d > 2. The CFT argument also computes the leading interactions between distant objects in AdS, and we confirm the universal agreement between the CFT bootstrap and AdS gravity in the semi-classical limit. We proceed to study the generalization to 2d CFTs, which requires knowledge of the Virasoro conformal blocks in a lightcone OPE limit. We compute these blocks in a semiclassical, large central charge approximation, and use them to prove a suitably modified theorem. In particular, from the 2d bootstrap we prove the existence of large spin operators with fixed 'anomalous dimensions' indicative of the presence of deficit angles in AdS_3. As we approach the threshold for the BTZ black hole, interpreted as a CFT scaling dimension, the twist spectrum of large spin operators becomes dense. Due to the exchange of the Virasoro identity block, primary states above the BTZ threshold mimic a thermal background for light operators. We derive the BTZ quasi-normal modes, and we use the bootstrap equation to prove that the twist spectrum is dense. Corrections to thermality could be obtained from a more refined computation of the Virasoro conformal blocks.
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.
The free energy of N=2 supersymmetric AdS_4 solutions of M-theory
Maxime Gabella; Dario Martelli; Achilleas Passias; James Sparks
2011-07-29T23:59:59.000Z
We show that general N=2 supersymmetric AdS_4 solutions of M-theory with non-zero M2-brane charge admit a canonical contact structure. The free energy of the dual superconformal field theory on S^3 and the scaling dimensions of operators dual to supersymmetric wrapped M5-branes are expressed via AdS/CFT in terms of contact volumes. In particular, this leads to topological and localization formulae for the coefficient of N^{3/2} in the free energy of such solutions.
Iyer, Ramakrishnan [Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089-0484 (United States); Mukhopadhyay, Ayan [Harish-Chandra Research Institute, Chhatnag Road, Jhusi, Allahabad 211019 (India)
2010-04-15T23:59:59.000Z
The AdS/CFT correspondence defines a sector with universal strongly coupled dynamics in the field theory as the dual of pure gravity in AdS described by Einstein's equation with a negative cosmological constant. We explain here, from the field-theoretic viewpoint how the dynamics in this sector gets determined by the expectation value of the energy-momentum tensor alone. We first show that the Boltzmann equation has very special solutions which could be functionally completely determined in terms of the energy-momentum tensor alone. We call these solutions conservative solutions. We indicate why conservative solutions should also exist when we refine this kinetic description to go closer to the exact microscopic theory or even move away from the regime of weak coupling so that no kinetic description could be employed. We argue that these conservative solutions form the universal sector dual to pure gravity at strong coupling and large N. Based on this observation, we propose a regularity condition on the energy-momentum tensor so that the dual solution in pure gravity has a smooth future horizon. We also study if irreversibility emerges only at long time scales of observation, unlike the case of the Boltzmann equation.
Isometry Group Orbit Quantization of Spinning Strings in AdS_3 x S^3
Martin Heinze; George Jorjadze; Luka Megrelidze
2014-10-13T23:59:59.000Z
Describing the bosonic AdS_3 x S^3 particle and string in SU(1,1) x SU(2) group variables, we provide a Hamiltonian treatment of the isometry group orbits of solutions via analysis of the pre-symplectic form. For the particle we obtain a one-parameter family of orbits parameterized by creation-annihilation variables, which leads to the Holstein-Primakoff realization of the isometry group generators. The scheme is then applied to spinning string solutions characterized by one winding number in AdS_3 and two winding numbers in S^3. We find a two-parameter family of orbits, where quantization again provides the Holstein-Primakoff realization of the symmetry generators with an oscillator type energy spectrum. Analyzing the minimal energy at strong coupling we verify the spectrum of short strings at special values of winding numbers.
'AdS_5' Geometry Beyond Space-time and 4D Noncommutative Space-time
Otto C. W. Kong
2009-06-19T23:59:59.000Z
We discuss a 4D noncommutative space-time as suggested by the version of quantum (deformed) relativity which provides a classical geometry picture as an `AdS_5'. The 4D noncommutative space-time is more like a part of a phase space description, in accordance with the quantum notion -- quantum mechanics talks about only states but not configurations. The `AdS_5' picture also illustrates the classical 4D space-time is to be described as part of a bigger geometry beyond space-time at the quantum level. The radically new picture of quantum 'space-time' is expected to provide the basis for a (still to be formulated) new approach to quantum gravity with fundamental constants (quantum) hbar and Newton's constant G put at a similar level as c, the speed of light.
Renormalization, averaging, conservation laws and AdS (in)stability
Ben Craps; Oleg Evnin; Joris Vanhoof
2015-01-19T23:59:59.000Z
We continue our analytic investigations of non-linear spherically symmetric perturbations around the anti-de Sitter background in gravity-scalar field systems, and focus on conservation laws restricting the (perturbatively) slow drift of energy between the different normal modes due to non-linearities. We discover two conservation laws in addition to the energy conservation previously discussed in relation to AdS instability. A similar set of three conservation laws was previously noted for a self-interacting scalar field in a non-dynamical AdS background, and we highlight the similarities of this system to the fully dynamical case of gravitational instability. The nature of these conservation laws is best understood through an appeal to averaging methods which allow one to derive an effective Lagrangian or Hamiltonian description of the slow energy transfer between the normal modes. The conservation laws in question then follow from explicit symmetries of this averaged effective theory.
A new holographic limit of AdS5 x S5
Machiko Hatsuda; Warren Siegel
2003-02-06T23:59:59.000Z
We re-examine the projective lightcone limit of the gauge-invariant Green-Schwarz action on 5D anti-de Sitter x the five-sphere. It implies the usual holography for AdS5, but also (a complex) one for S5. The result is N=4 projective superspace, which unlike N=4 harmonic superspace can describe N=4 super Yang-Mills off shell.
New ${\\cal N} = 1$ supersymmetric $AdS_5$ backgrounds in Type IIA supergravity
Konstadinos Sfetsos; Daniel C. Thompson
2014-08-27T23:59:59.000Z
We present a family of N=1 supersymmetric backgrounds in type-IIA supergravity and their lifts to eleven-dimensional supergravity. These are of the form $AdS_5 \\times X^5$ and are characterised by an $SU(2)$ structure. The internal space, $X^5$, is obtained from the known Sasaki-Einstein manifolds, $Y^{p,q}$, via an application of non-Abelian T-duality.
ARM KAZR-ARSCL Value Added Product
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
Jensen, Michael
The Ka-band ARM Zenith Radars (KAZRs) have replaced the long-serving Millimeter Cloud Radars, or MMCRs. Accordingly, the primary MMCR Value Added Product (VAP), the Active Remote Sensing of CLouds (ARSCL) product, is being replaced by a KAZR-based version, the KAZR-ARSCL VAP. KAZR-ARSCL provides cloud boundaries and best-estimate time-height fields of radar moments.
Adding coal dust to coal batch
V.S. Shved; A.V.Berezin [OAO Koks, Kemerovo (Russian Federation)
2009-05-15T23:59:59.000Z
The granulometric composition of coke dust from the dry-slaking machine is determined. The influence of additions of 3-7% coke dust on the quality of industrial coking batch and the coke obtained by box coking is estimated. Adding 1% coke dust to coking batch does not markedly change the coke quality. Industrial equipment for the supply of dry-slaking dust to the batch is described.
Merged Sounding Value-Added Product
Troyan, D
2010-03-03T23:59:59.000Z
The Merged Sounding value-added product (VAP) uses a combination of observations from radiosonde soundings, the microwave radiometer (MWR), surface meteorological instruments, and European Centre for Medium-Range Weather Forecasts (ECMWF) model output with a sophisticated scaling/interpolation/smoothing scheme in order to define profiles of the atmospheric thermodynamic state at one-minute temporal intervals and a total of 266 altitude levels.
Entropy of near-extremal black holes in AdS5
Simon, Joan; Balasubramanian, Vijay; de Boer, Jan; Jejjala, Vishnu; Simon, Joan
2007-07-24T23:59:59.000Z
We construct the microstates of near-extremal black holes in AdS_5 x S5 as gases of defects distributed in heavy BPS operators in the dual SU(N) Yang-Mills theory. These defects describe open strings on spherical D3-branes in the S5, and we show that they dominate the entropy by directly enumerating them and comparing the results with a partition sum calculation. We display new decoupling limits in which the field theory of the lightest open strings on the D-branes becomes dual to a near-horizon region of the black hole geometry. In the single-charge black hole we find evidence for an infrared duality between SU(N) Yang-Mills theories that exchanges the rank of the gauge group with an R-charge. In the two-charge case (where pairs of branes intersect on a line), the decoupled geometry includes an AdS_3 factor with a two-dimensional CFT dual. The degeneracy in this CFT accounts for the black hole entropy. In the three-charge case (where triples of branes intersect at a point), the decoupled geometry contains an AdS_2 factor. Below a certain critical mass, the two-charge system displays solutions with naked timelike singularities even though they do not violate a BPS bound. We suggest a string theoretic resolution of these singularities.
ADS: The Next Generation Search Platform
Accomazzi, Alberto; Henneken, Edwin A; Chyla, Roman; Luker, James; Grant, Carolyn S; Thompson, Donna M; Holachek, Alexandra; Dave, Rahul; Murray, Stephen S
2015-01-01T23:59:59.000Z
Four years after the last LISA meeting, the NASA Astrophysics Data System (ADS) finds itself in the middle of major changes to the infrastructure and contents of its database. In this paper we highlight a number of features of great importance to librarians and discuss the additional functionality that we are currently developing. Starting in 2011, the ADS started to systematically collect, parse and index full-text documents for all the major publications in Physics and Astronomy as well as many smaller Astronomy journals and arXiv e-prints, for a total of over 3.5 million papers. Our citation coverage has doubled since 2010 and now consists of over 70 million citations. We are normalizing the affiliation information in our records and, in collaboration with the CfA library and NASA, we have started collecting and linking funding sources with papers in our system. At the same time, we are undergoing major technology changes in the ADS platform which affect all aspects of the system and its operations. We hav...
Malerba, Donato
Dipartimento di Geologia e Geofisica, la nomina del Sig. Giuseppe Cacciapaglia a delegato di area della Geologia e Geofisica. Le risorse strumentali informatiche necessarie per il funzionamento del polo sono Geofisica. Art. 2 E' formalizzata l'assegnazione al C.S.I. e la nomina a delegato d'area ad interim- presso
Secret Symmetries of Type IIB Superstring Theory on AdS3 x S3 x M4
Antonio Pittelli; Alessandro Torrielli; Martin Wolf
2014-11-06T23:59:59.000Z
We establish features of so-called Yangian secret symmetries for AdS3 type IIB superstring backgrounds thus verifying the persistence of such symmetries to this new instance of the AdS/CFT correspondence. Specifically, we find two a priori different classes of secret symmetry generators. One class of generators, anticipated from the previous literature, is more naturally embedded in the algebra governing the integrable scattering problem. The other class of generators is more elusive, and somewhat closer in its form to its higher-dimensional AdS5 counterpart. All of these symmetries respect left-right crossing. In addition, by considering the interplay between left and right representations, we gain a new perspective on the AdS5 case. We also study the RTT-realisation of the Yangian in AdS3 backgrounds thus establishing a new incarnation of the Beisert-de Leeuw construction.
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: National5Sales for4,645U.S. DOE Office of Scienceand Requirements RecentlyElectronicResources Resources About oneRethinking theAD&D
Fermilab Today | Classified Ads | Archive - 2015
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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 AdministrationField8,Dist. CategoryFebruaryFebruaryInThe, 2015Ads Subscribe | Contact
ARM - Value-Added Products (VAP)
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: National5Sales for4,645U.S. DOE Office511041cloth DocumentationProducts (VAP) VAP Update Information on new, existing, and future value-added
ads spallation target: Topics by E-print Network
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and as a BPS state in the dual spacetime CFT. Finally, we attempt to apply the lessons learned to the description of BTZ black holes as AdS3 orbifolds and to related big crunch...
added tax rate: Topics by E-print Network
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budgetary expenses must be paid attention strictly. Because coefficients of value-added tax and corporate income tax are positive and significant, an increase in value-added tax...
Managing On-air Ad Inventory in Broadcast Television
Bollapragada, Srinivas; Mallik, Suman
2008-01-01T23:59:59.000Z
Motivated by the experiences of the National Broadcasting Company (NBC), we present an analytical model for managing on-air ad inventory in broadcast television. The ad inventory in this industry is priced based on rating ...
Dynamic address allocation protocols for Mobile ad hoc networks
Patchipulusu, Praveena
2001-01-01T23:59:59.000Z
Address allocation is an important issue in Mobile ad hoc networks. This thesis proposes solutions to assign unique IP addresses to nodes participating in Mobile ad hoc networks and evaluates the proposed solutions. Address allocation protocols...
Holographic formula for the determinant of the scattering operator in thermal AdS
Danilo E. Díaz
2009-08-26T23:59:59.000Z
A 'holographic formula' expressing the functional determinant of the scattering operator in an asymptotically locally anti-de Sitter(ALAdS) space has been proposed in terms of a relative functional determinant of the scalar Laplacian in the bulk. It stems from considerations in AdS/CFT correspondence of a quantum correction to the partition function in the bulk and the corresponding subleading correction at large N on the boundary. In this paper we probe this prediction for a class of quotients of hyperbolic space by a discrete subgroup of isometries. We restrict to the simplest situation of an abelian group where the quotient geometry describes thermal AdS and also the non-spinning BTZ instanton. The bulk computation is explicitly done using the method of images and the answer can be encoded in a (Patterson-)Selberg zeta-function.
On Thermodynamics of AdS Black Holes in Arbitrary Dimensions
A. Belhaj; M. Chabab; H. El Moumni; M. B. Sedra
2012-09-23T23:59:59.000Z
Considering the cosmological constant $\\Lambda$ as a thermodynamic pressure and its conjugate quantity as a thermodynamic volume as proposed in Kubiznak and Mann (2012), we discuss the critical behavior of charged AdS black hole in arbitrary dimensions $d$. In particular, we present a comparative study in terms of the spacetime dimension $d$ and the displacement of critical points controlling the transition between the small and the large black holes. Such behaviors vary nicely in terms of $d$. Among our result in this context consists in showing that the equation of state for a charged RN-AdS black hole predicts an universal number given by $\\frac{2d-5}{4d-8}$. The three dimensional solution is also discussed.
Introduzione alla serie di Fourier ad uso del corso di Meccanica Analitica
Benettin, Giancarlo
meccanica dal suo ruolo centrale si complet`o nel corso dell'800 con lo sviluppo della termodinamica e
Transition from AdS universe to DS universe in the BPP model
Wontae Kim; Myungseok Yoon
2007-03-03T23:59:59.000Z
It can be shown that in the BPP model the smooth phase transition from the asymptotically decelerated AdS universe to the asymptotically accelerated DS universe is possible by solving the modified semiclassical equations of motion. This transition comes from noncommutative Poisson algebra, which gives the constant curvature scalars asymptotically. The decelerated expansion of the early universe is due to the negative energy density with the negative pressure induced by quantum back reaction, and the accelerated late-time universe comes from the positive energy and the negative pressure which behave like dark energy source in recent cosmological models.
Aspects of Axion Phenomenology in a slice of AdS_5
Thomas Flacke; David Maybury
2006-12-11T23:59:59.000Z
Motivated by multi-throat considerations, we study the phenomenological implications of a bulk axion in a slice of AdS_5 with a large extra dimension: k~0.01 eV, kR > 1. In particular, we compare axion physics with a warped geometry to axions in flat compactifications. As in flat compactification scenarios, we find that the mass of the axion can become independent from the underlying Peccei-Quinn scale. Surprisingly, we find that in warped extra dimensions the axion's invisibility, cosmological viability, and basic phenomenology remain essentially unaltered in comparison to axions in flat compactifications.
Integrable $?$-deformations: Squashing Coset CFTs and $AdS_5\\times S^5$
Saskia Demulder; Konstantinos Sfetsos; Daniel C. Thompson
2015-04-10T23:59:59.000Z
We examine integrable $\\lambda$-deformations of $SO(n+1)/SO(n)$ coset CFTs and their analytic continuations. We provide an interpretation of the deformation as a squashing of the corresponding coset $\\sigma$-model's target space. We realise the $\\lambda$-deformation for $n=5$ case as a solution to supergravity supported by non-vanishing five-form and dilaton. This interpolates between the coset CFT $SO(4,2)/SO(4,1)\\times SO(6)/SO(5)$ constructed as a gauged WZW model and the non-Abelian T-dual of the $AdS_5\\times S^5$ spacetime.
Superconductors for superstrings on AdS_5 x T^{1,1}
Francesco Aprile; Andrea Borghese; Aldo Dector; Diederik Roest; Jorge G. Russo
2012-05-09T23:59:59.000Z
We construct a one-parameter family of five-dimensional N=2 supergravity Lagrangians with an SU(2,1) / U(2) hypermultiplet. For certain values of the parameter, these are argued to describe the dynamics of scalar modes of superstrings on AdS_5 x T^{1,1}, and therefore to be dual to specific chiral primary operators of Klebanov-Witten superconformal field theory. We demonstrate that, below a critical temperature, the thermodynamics is dominated by charged black holes with hair for the scalars that are dual to the operator of lowest conformal dimension 3/2. The system thus enters into a superconducting phase where condenses.
Geons and Spin-2 Condensates in the AdS Soliton
Gavin S. Hartnett; Gary T. Horowitz
2012-11-06T23:59:59.000Z
We construct geons starting with gravitational perturbations of the AdS soliton. Previous studies of a charged scalar field in the soliton background showed a holographic insulator/superconductor transition at a critical chemical potential. We explore the possibility that dimensional reduction of the geon could model a transition to a d-wave superconductor. We find that although one does get a charged spin-2 condensate, it has higher free energy than the state without the condensate, so there is no phase transition.
C-AD electron-cooling Photocathode and Laser
C-AD electron-cooling Photocathode and Laser A. Burrill and T. Rao #12;C-AD electron system Design of 2nd and third generation system · Laser system Requirements Commercial Capsule fabrication · Brazing · Metallization #12;C-AD electron-cooling Overview Photocathode Requirements
AUAARHUS UNIVERSITY Adding a bonus card AU Finance and Planning
AUAARHUS UNIVERSITY Adding a bonus card AU Finance and Planning Financial Management 12/02/2013 Page 1 of 6 Guide to adding a bonus card in CWT's online system Log on to CWT: https://sso.carlsonwagonlit.com/login.do Type in your username and password Click on "Sign on" #12;AUAARHUS UNIVERSITY Adding a bonus card AU
Mapping subtasks with multiple versions on an ad hoc grid
Maciejewski, Anthony A.
Mapping subtasks with multiple versions on an ad hoc grid S. Shivle a , P. Sugavanam a , H; Mapping; Resource allocation; Task scheduling 1. Introduction and problem statement An ad hoc grid; accepted 15 April 2005 Available online 16 June 2005 Abstract An ad hoc grid is a heterogeneous computing
ORGANIZZAZIONE DEL SISTEMA UNIVERSITARIO
Segatti, Antonio
degli organi di governo e forme sostenibili di organizza- zione della didattica e della ricerca su base disegno di legge, d'iniziativa del Governo, gia` approvato dal Senato e modificato dalla Camera dei, nonche´ delega al Governo per incentivare la qualita` e l'efficienza del sistema universitario #12; 2
Review of AdS/CFT Integrability, Chapter IV.3: N=6 Chern-Simons and Strings on AdS4xCP3
Thomas Klose
2012-03-27T23:59:59.000Z
We review the duality and integrability of N=6 superconformal Chern-Simons theory in three dimensions and IIA superstring theory on the background AdS4xCP3. We introduce both of these models and describe how their degrees of freedom are mapped to excitations of a long-range integrable spin-chain. Finally, we discuss the properties of the Bethe equations, the S-matrix and the algebraic curve that are special to this correspondence and differ from the case of N=4 SYM theory and strings on AdS5xS5.
Hugo Chávez and The Impact of Socialismo del Siglo XXI
Leist, Derek 1990-
2011-07-20T23:59:59.000Z
American Public Opinion Project Latifundios Large landed estate holders Los barrios The neighborhoods Punto Fijo The Pact at Punto Fijo Socialismo del Siglo XXI Socialism of the 21st Century vii TABLE OF CONTENTS... politics prior to the first election of Hugo Ch?vez in 1999. An abundance of research exists concerning the creation of the democratic regime following Punto Fijo in 1958, the establishment of a two-party system dominated by Acci?n Democr?tica (AD...
Sen, Sevil
ITA CONFERENCE 1569048773 THREAT MODELLING FOR MOBILE AD HOC AND SENSOR NETWORKS 1 Threat Modelling. Chivers, Olwen Worthington and Pankaj Rohatgi Abstract-- This paper introduces a threat model for ad hoc and mobile ad hoc networks (MANETS). It identifies threat categories, modes of use, and a variety of threats
Geometric free energy of toric AdS4/CFT3 models
Sangmin Lee; Daisuke Yokoyama
2015-01-22T23:59:59.000Z
We study the supersymmetric free energy of three dimensional Chern-Simons-matter theories holographically dual to AdS$_4$ times toric Sasaki-Einstein seven-manifolds. In the large $N$ limit, we argue that the square of the free energy can be written as a quartic polynomial of trial R-charges. The coefficients of the polynomial are determined geometrically from the toric diagrams. We present the coefficients of the quartic polynomial explicitly for generic toric diagrams with up to 6 vertices, and some particular diagrams with 8 vertices. Decomposing the trial R-charges into mesonic and baryonic variables, and eliminating the baryonic ones, we show that the quartic polynomial reproduces the inverse of the Martelli-Sparks-Yau volume function. On the gravity side, we explore the possibility of using the same quartic polynomial as the prepotential in the AdS gauged supergravity. Comparing Kaluza-Klein gravity and gauged supergravity descriptions, we find perfect agreement in the mesonic sector but some discrepancy in the baryonic sector.
Dual Superconformal Symmetry from AdS5 x S5 Superstring Integrability
Niklas Beisert; Riccardo Ricci; Arkady Tseytlin; Martin Wolf
2008-11-17T23:59:59.000Z
We discuss 2d duality transformations in the classical AdS5 x S5 superstring and their effect on the integrable structure. T-duality along four directions in Poincare parametrization of AdS5 maps the bosonic part of the superstring action into itself. On bosonic level, this duality may be understood as a symmetry of the first-order (phase space) system of equations for the coset components of the current. The associated Lax connection is invariant modulo the action of an so(2,4)-automorphism. We then show that this symmetry extends to the full superstring, provided one supplements the transformation of the bosonic components of the current with a transformation on the fermionic ones. At the level of the action, this symmetry can be seen by combining the bosonic duality transformation with a similar one applied to part of the fermionic superstring coordinates. As a result, the full superstring action is mapped into itself, albeit in a different kappa-symmetry gauge. One implication is that the dual model has the same superconformal symmetry group as the original one, and this may be seen as a consequence of the integrability of the superstring. The invariance of the Lax connection under the duality implies a map on the full set of conserved charges that should interchange some of the Noether (local) charges with hidden (non-local) ones and vice versa.
Shear Viscosity from AdS Born-Infeld Black Holes
Rong-Gen Cai; Ya-Wen Sun
2008-09-23T23:59:59.000Z
We calculate the shear viscosity in the frame of AdS/CFT correspondence for the field theory with a gravity dual of Einstein-Born-Infeld gravity. We find that the ratio of $\\eta/s$ is still the conjectured universal value $1/4\\pi$ at least up to the first order of the Born-Infeld parameter $1/b^2$.
Vacuum densities for a thick brane in AdS spacetime
A. A. Saharian; A. L. Mkhitaryan
2007-10-18T23:59:59.000Z
For a massive scalar field with general curvature coupling parameter we evaluate Wightman function, vacuum expectation values of the field square and the energy-momentum tensor induced by a $Z_{2}$-symmetric brane with finite thickness located on $(D+1)$-dimensional AdS bulk. For the general case of static plane symmetric interior structure the expectation values in the region outside the brane are presented as the sum of free AdS and brane induced parts. For a conformally coupled massless scalar the brane induced part in the vacuum energy-momentum tensor vanishes. In the limit of strong gravitational fields the brane induced parts are exponentially suppressed for points not too close to the brane boundary. As an application of general results a special model is considered in which the geometry inside the brane is a slice of the Minkowski spacetime orbifolded along the direction perpendicular to the brane. For this model the Wightman function, vacuum expectation values of the field square and the energy-momentum tensor inside the brane are evaluated. It is shown that for both minimally and conformally coupled scalar fields the interior vacuum forces acting on the brane boundaries tend to decrease the brane thickness.
A paucity of bulk entangling surfaces: AdS wormholes with de Sitter interiors
Sebastian Fischetti; Donald Marolf; Aron Wall
2014-09-23T23:59:59.000Z
We study and construct spacetimes, dubbed planar AdS-dS-wormholes, satisfying the null energy condition and having two asymptotically AdS boundaries connected through a (non-traversable) inflating wormhole. As for other wormholes, it is natural to expect dual descriptions in terms of two disconnected CFTs in appropriate entangled states. But for our cases certain expected bulk entangling surfaces used by the Hubeny-Rangamani-Takayanagi (HRT) prescription to compute CFT entropy do not exist. In particular, no real codimension-2 extremal surface can run from one end of the wormhole to the other. According to HRT, the mutual information between any two finite-sized subregions (one in each CFT) must then vanish at leading order in large $N$ -- though the leading-order mutual information per unit area between the two CFTs taken as wholes may be nonzero. Some planar AdS-dS-wormholes also fail to have plane-symmetric surfaces that would compute the total entropy of either CFT. We suggest this to remain true of less-symmetric surfaces so that the HRT entropy is ill-defined and some modified prescription is required. It may be possible to simply extend HRT or the closely-related maximin construction by a limiting procedure, though complex extremal surfaces could also play an important role.
Aerosol Best Estimate Value-Added Product
Flynn, C; Turner, D; Koontz, A; Chand, D; Sivaraman, C
2012-07-19T23:59:59.000Z
The objective of the Aerosol Best Estimate (AEROSOLBE) value-added product (VAP) is to provide vertical profiles of aerosol extinction, single scatter albedo, asymmetry parameter, and Angstroem exponents for the atmospheric column above the Central Facility at the ARM Southern Great Plains (SGP) site. We expect that AEROSOLBE will provide nearly continuous estimates of aerosol optical properties under a range of conditions (clear, broken clouds, overcast clouds, etc.). The primary requirement of this VAP was to provide an aerosol data set as continuous as possible in both time and height for the Broadband Heating Rate Profile (BBHRP) VAP in order to provide a structure for the comprehensive assessment of our ability to model atmospheric radiative transfer for all conditions. Even though BBHRP has been completed, AEROSOLBE results are very valuable for environmental, atmospheric, and climate research.
Flotamiento de esferas M. C. Jose Antonio Medina Hernandez
Vela-Arevalo, Luz V.
encontraron concentrado en un problema geo- mÂ´etrico. Al pisar uno de los sol- dados una figura dibujada en el, que le clavÂ´o su espada, causando la muerte a uno de los mÂ´as grandes genios que ha dado la humanidad la base del triÂ´angulo que aparece en la Figura 1. Observe que la base b es funciÂ´on del radio r de
Conformal Transformations and Strings for an Accelerating Quark-Antiquark Pair in AdS3
Shijong Ryang
2014-12-08T23:59:59.000Z
From a simple moving open string solution dual to a moving heavy quark with constant velocity in the Poincare AdS_3 spacetime, we construct an accerlerating open string solution dual to a heavy quark-antiquark pair accelerated in opposite directions by performing the three mappings such as the SL(2,R)_L x SL(2,R)_R isometry transformation, the special conformal transformation and the conformal SO(2,2) transformation. Using the string sigma model action we construct two open string solutions staying in two different regions whose dividing line is associated with the event horizon appeared on the string worldsheet and obtain the accelerating open string solution by gluing two such solutions.
The S-matrix of the AdS5 x S5 superstring
Marius de Leeuw
2010-07-28T23:59:59.000Z
In this article we review the world-sheet scattering theory of strings on AdS 5 x S5. The asymptotic spectrum of this world-sheet theory contains both fundamental particles and bound states of the latter. We explicitly derive the S-matrix that describes scattering of arbitrary bound states. The key feature that enables this derivation is the so-called Yangian symmetry which is related to the centrally extended su(2|2) superalgebra. Subsequently, we study the universal algebraic properties of the found S-matrix. As in many integrable models, the S-matrix plays a key role in the determination of the energy spectrum. In this context, we employ the Bethe ansatz approach to compute the large volume energy spectrum of string bound states.
The Bound State S-Matrix for AdS5 x S5 Superstring
Gleb Arutyunov; Marius de Leeuw; Alessandro Torrielli
2011-08-24T23:59:59.000Z
We determine the S-matrix that describes scattering of arbitrary bound states in the light-cone string theory in AdS5 x S5. The corresponding construction relies on the Yangian symmetry and the superspace formalism for the bound state representations. The basic analytic structure supporting the S-matrix entries turns out to be the hypergeometric function 4F3. We show that for particular bound state numbers it reproduces all the scattering matrices previously obtained in the literature. Our findings should be relevant for the TBA and Luescher approaches to the finite-size spectral problem. They also shed some light on the construction of the universal R-matrix for the centrally-extended psu(2|2) superalgebra.
A derivative-free optimization method to compute scalar perturbation of AdS black holes
Rodrigo S. Lima; Alan B. Pavan
2014-03-25T23:59:59.000Z
In this work we describe an interesting application of a simple derivative-free optimization method to extract the quasinormal modes (QNM's) of a massive scalar field propagating in a 4-dimensional Schwarzschild anti-de Sitter black hole (Sch-AdS$_4$). In this approach, the problem to find the QNM's is reduced to minimize a real valued function of two variables and does not require any information about derivatives. In fact, our strategy requires only evaluations of the objective function to search global minimizers of the optimization problem. Firstly, numerical experiments were performed to find the QNM's of a massless scalar field propagating in intermediate and large Sch-AdS$_4$ black holes. The performance of this optimization algorithm was compared with other numerical methods used in previous works. Our results showed to be in good agreement with those obtained previously. Finally, the massive scalar field case and its QNM's were also obtained and discussed.
AdS Boundary Conditions and the Topologically Massive Gravity/CFT Correspondence
Skenderis, Kostas; Taylor, Marika; Rees, Balt C. van [Institute for Theoretical Physics, University of Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam (Netherlands)
2009-12-15T23:59:59.000Z
The AdS/CFT correspondence provides a new perspective on recurrent questions in General Relativity such as the allowed boundary conditions at infinity and the definition of gravitational conserved charges. Here we review the main insights obtained in this direction over the last decade and apply the new techniques to Topologically Massive Gravity. We show that this theory is dual to a non-unitary CFT for any value of its parameter mu and becomes a Logarithmic CFT at mu = 1.
Geography-informed Energy Conservation for Ad Hoc Routing
Xu, Ya; Heidemann, John; Estrin, D
2001-01-01T23:59:59.000Z
Geography-informed Energy Conservation for Ad Hoc Routingof network lifetime, energy conservation, and data deliverypowers node off for energy conservation while G A F - m a
Money Market Mutual Funds: An Experiement in Ad Hoc Deregulation
Rosen, Kenneth T.; Katz, Lawrence
1981-01-01T23:59:59.000Z
of the market. A full deregulation of the deposit marketsity range. Full deregulation of financial institutions will,periment in ad hoc deregulation. -29- APPENDIX 1 . §Money
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agent programming languages Peter Novk, Jrgen Dix IfI Technical Report Series Zachmann (Computer Graphics) 12;Adding structure to agent programming languages Peter...
Maximizing the throughput of large ad hoc wireless networks
Hua, Yingbo; Huang, Yi; J, Garcia-Luna-Aceves J
2006-01-01T23:59:59.000Z
The transport capacity of wireless networks over fadingimprovement of ad hoc wireless networks using directionalThe capacity of wireless networks,” IEEE Trans. Inform.
DOE Announces Webinars on Adding Solar to Your Building Portfolio...
Broader source: Energy.gov (indexed) [DOE]
typically required. You can also watch archived webinars and browse previously aired videos, slides, and transcripts. Upcoming Webinars March 4: Live Webinar on Adding Solar...
(A)dS Holography with a Cut-off
Debajyoti Sarkar
2014-10-09T23:59:59.000Z
We find out the smearing/ transfer functions that relate a local bulk operator with its boundary values at a cut-off surface located at $z=z_0$ of the AdS Poincar\\'{e} patch. We compare these results with de Sitter counterparts and comment on their connections with corresponding construction for dS/ CFT. As the boundary values can help define the required field theory at $z=z_0$ and encode bulk locality in terms of it, our work can provide key information about holographic RG in the context of AdS/ CFT.
On the short string limit of the folded spinning string in AdS5 x S5
M. Beccaria; A. Tirziu
2008-10-23T23:59:59.000Z
In this paper we generalize the results of arXiv:0806.4758 to non-zero value J of angular momentum in S^5. We compute the 1-loop correction to the energy of the folded spinning string in AdS_5 x S^5 in the particular limit of slow short string approximation. In this limit the string is moving in a near-flat central region of AdS_5 slowly rotating in both AdS_5 and S^5. The one-loop correction should represent the first subleading correction to strong coupling expansion of the anomalous dimension of short gauge theory operators of the form Tr D^S Z^J in the SL(2) sector.
Universal slow fall-off to the unique AdS infinity in Einstein-Gauss-Bonnet gravity
Maeda, Hideki [Centro de Estudios Cientificos (CECS), Arturo Prat 514, Valdivia (Chile)
2008-08-15T23:59:59.000Z
In this paper, the following two propositions are proven under the dominant energy condition for the matter field in the higher-dimensional spherically symmetric spacetime in Einstein-Gauss-Bonnet gravity in the presence of a cosmological constant {lambda}. First, for {lambda}{<=}0 and {alpha}{>=}0 without a fine-tuning to give a unique anti-de Sitter (AdS) vacuum, where {alpha} is the Gauss-Bonnet coupling constant, vanishing generalized Misner-Sharp mass is equivalent to the maximally symmetric spacetime. Under the fine-tuning, it is equivalent to the vacuum class I spacetime. Second, under the fine-tuning with {alpha}>0, the asymptotically AdS spacetime in the higher-dimensional Henneaux-Teitelboim sense is only a special class of the vacuum class I spacetime. This means the universal slow fall-off to the unique AdS infinity in the presence of physically reasonable matter.
Developing Louisiana's Forest Products Industry: Adding Value for the Future
of a manufacturingThe increased value at each stage of a manufacturing assembly processassembly process Those and necessaryimportant and necessary Addition of net economic valueAddition of net economic value Value can be added through manufacturing orValue can be added through manufacturing or marketingmarketing Why Add Value
A EUROPEAN ADVANCED TECHNOLOGY PROGRAMME FOR ADS ACCELERATOR DEVELOPMENT*
Paris-Sud XI, Université de
associated to a fast digital feedback system. A programme for the remaining R&D, focused on experimental as such a reactor. Consecutive to the initial work of the Technical Working Group on ADS technology [1], the project in 2002 [2], and studied 3 versions of an XADS: both a molten-metal (eutectic Pb-Bi) and a gas cooled ADS
Reception-Aware Power Control in Ad Hoc Mobile Networks
Mans, Bernard
Reception-Aware Power Control in Ad Hoc Mobile Networks Nirisha Shrestha and Bernard Mans Macquarie resource in ad hoc mobile networks, mak- ing power control a popular, yet crucial, technique. The network of power control non-trivial. For sake of simplicity, most existing power control protocols only consider
Stimulating Cooperative Diversity in Wireless Ad Hoc Networks through Pricing
Adve, Raviraj
Stimulating Cooperative Diversity in Wireless Ad Hoc Networks through Pricing Naveen Shastry in commercial wireless ad hoc networks. For the relay, cooperation represents both a real cost of energy a pricing game that stimulates cooperation via reimbursements to the relay. Specifically, given the price
Multipath Routing Based Secure Data Transmission in Ad Hoc Networks
Delgado-Frias, José G.
Multipath Routing Based Secure Data Transmission in Ad Hoc Networks Li Zhao and José G. Delgado in the networks. In this paper, we present and evaluate a scheme, in which multipath routing combined the single path DSR. Index Terms--security, data transmission, multipath routing, ad hoc networks I
Characteristic length of an AdS/CFT superconductor
Kengo Maeda; Takashi Okamura
2008-10-30T23:59:59.000Z
We investigate in more detail the holographic model of a superconductor recently found by Hartnoll, Herzog, and Horowitz [Phys. Rev. Lett. 101, 031601], which is constructed from a condensate of a charged scalar field in AdS_4-Schwarzschild background. By analytically studying the perturbation of the gravitational system near the critical temperature T_c, we obtain the superconducting coherence length proportional to 1/\\sqrt{1-T/T_c} via AdS/CFT correspondence. By adding a small external homogeneous magnetic field to the system, we find that a stationary diamagnetic current proportional to the square of the order parameter is induced by the magnetic field. These results agree with Ginzburg-Landau theory and strongly support the idea that a superconductor can be described by a charged scalar field on a black hole via AdS/CFT duality.
Dynamics and BPS states of AdS5 supergravity with a Gauss-Bonnet term
Olivera Miskovic; Ricardo Troncoso; Jorge Zanelli
2006-03-23T23:59:59.000Z
Some dynamical aspects of five-dimensional supergravity as a Chern-Simons theory for the SU(2,2|N) group, are analyzed. The gravitational sector is described by the Einstein-Hilbert action with negative cosmological constant and a Gauss-Bonnet term with a fixed coupling. The interaction between matter and gravity is characterized by intricate couplings which give rise to dynamical features not present in standard theories. Depending on the location in phase space, the dynamics can possess different number of propagating degrees of freedom, including purely topological sectors. This inhomogeneity of phase space requires special care in the analysis. Background solutions in the canonical sectors, which have regular dynamics with maximal number of degrees of freedom, are shown to exist. Within this class, explicit solutions given by locally AdS spacetimes with nontrivial gauge fields are constructed, and BPS states are identified. It is shown that the charge algebra acquires a central extension due to the presence of the matter fields. The Bogomol'nyi bound for these charges is discussed. Special attention is devoted to the N=4 case since then the gauge group has a U(1) central charge and the phase space possesses additional irregular sectors.
Classical and Quantum Equations of Motion for a BTZ Black String in AdS Space
Eric Greenwood; Evan Halstead; Peng Hao
2010-01-24T23:59:59.000Z
We investigate gravitational collapse of a $(3+1)$-dimensional BTZ black string in AdS space in the context of both classical and quantum mechanics. This is done by first deriving the conserved mass per unit length of the cylindrically symmetric domain wall, which is taken as the classical Hamiltonian of the black string. In the quantum mechanical context, we take primary interest in the behavior of the collapse near the horizon and near the origin (classical singularity) from the point of view of an infalling observer. In the absence of radiation, quantum effects near the horizon do not change the classical conclusions for an infalling observer, meaning that the horizon is not an obstacle for him/her. The most interesting quantum mechanical effect comes in when investigating near the origin. First, quantum effects are able to remove the classical singularity at the origin, since the wave function is non-singular at the origin. Second, the Schr\\"odinger equation describing the behavior near the origin displays non-local effects, which depend on the energy density of the domain wall. This is manifest in that derivatives of the wavefunction at one point are related to the value of the wavefunction at some other distant point.
An Integrable Deformation of the AdS5 x S5 Superstring
Timothy J. Hollowood; J. Luis Miramontes; David M. Schmidtt
2014-09-24T23:59:59.000Z
The S-matrix on the world-sheet theory of the string in AdS5 x S5 has previously been shown to admit a deformation where the symmetry algebra is replaced by the associated quantum group. The case where q is real has been identified as a particular deformation of the Green-Schwarz sigma model. An interpretation of the case with q a root of unity has, until now, been lacking. We show that the Green-Schwarz sigma model admits a discrete deformation which can be viewed as a rather simple deformation of the F/F_V gauged WZW model, where F=PSU(2,2|4). The deformation parameter q is then a k-th root of unity where k is the level. The deformed theory has the same equations-of-motion as the Green-Schwarz sigma model but has a different symplectic structure. We show that the resulting theory is integrable and has just the right amount of kappa-symmetries that appear as a remnant of the fermionic part of the original gauge symmetry. This points to the existence of a fully consistent deformed string background.
An Integrable Deformation of the AdS5 x S5 Superstring
Hollowood, Timothy J; Schmidtt, David
2014-01-01T23:59:59.000Z
The S-matrix on the world-sheet theory of the string in AdS5 x S5 has previously been shown to admit a deformation where the symmetry algebra is replaced by the associated quantum group. The case where q is real has been identified as a particular deformation of the Green-Schwarz sigma model. An interpretation of the case with q a root of unity has, until now, been lacking. We show that the Green-Schwarz sigma model admits a discrete deformation which can be viewed as a rather simple deformation of the F/F gauged WZW model, where F=PSU(2,2|4). The deformation parameter q is then a k-th root of unity where k is the level. The deformed theory has the same equations-of-motion as the Green-Schwarz sigma model but has a different symplectic structure. We show that the resulting theory is integrable and has just the right amount of kappa-symmetries that appear as a remnant of the fermionic part of the original gauge symmetry. This points to the existence of a fully consistent deformed string background.
Gribov ambiguity in asymptotically AdS three-dimensional gravity
Anabalon, Andres [Departamento de Ciencias, Facultad de Artes Liberales, Facultad de Ingenieria y Ciencias, Universidad Adolfo Ibanez, Vina Del Mar (Chile); Canfora, Fabrizio [Centro de Estudios Cientificos (CECS), Casilla 1469, Valdivia (Chile); Giacomini, Alex; Oliva, Julio [Instituto de Fisica, Facultad de Ciencias, Universidad Austral de Chile, Valdivia (Chile)
2011-03-15T23:59:59.000Z
In this paper the zero modes of the de Donder gauge Faddeev-Popov operator for three-dimensional gravity with negative cosmological constant are analyzed. It is found that the AdS{sub 3} vacuum produces (infinitely many) normalizable smooth zero modes of the Faddeev-Popov operator. On the other hand, it is found that the Banados-Teitelboim-Zanelli black hole (including the zero mass black hole) does not generate zero modes. This differs from the usual Gribov problem in QCD where, close to the maximally symmetric vacuum, the Faddeev-Popov determinant is positive definite while 'far enough' from the vacuum it can vanish. This suggests that the zero mass Banados-Teitelboim-Zanelli black hole could be a suitable ground state of three-dimensional gravity with negative cosmological constant. Because of the kinematic origin of this result, it also applies for other covariant gravity theories in three dimensions with AdS{sub 3} as maximally symmetric solution, such as new massive gravity and topologically massive gravity. The relevance of these results for supersymmetry breaking is pointed out.
Intervento del Presidente del Consiglio degli Studenti Ilaria Manti
Sproston, Jeremy
una certa media. Impedito dalla disattenzione del governo che continua a tagliare i fondi nazionali e e del merito. Tra i migliori alleati del governo come non citare l'ANVUR? Quest'agenzia infatti Fondo Ordinario Enti di Ricerca. Inoltre il governo ha inserito un tetto massimo di 150 milioni di spesa
New $AdS_3 \\times S^2$ T-duals with $\\mathcal{N} = (0,4)$ supersymmetry
Yolanda Lozano; Niall T. Macpherson; Jesús Montero; Eoin Ó Colgáin
2015-07-09T23:59:59.000Z
It is well known that Hopf-fibre T-duality and uplift takes the D1-D5 near-horizon into a class of $AdS_3 \\times S^2$ geometries in 11D where the internal space is a Calabi-Yau three-fold. Moreover, supersymmetry dictates that Calabi-Yau is the only permissible $SU(3)$-structure manifold. Generalising this duality chain to non-Abelian isometries, a strong parallel exists, resulting in the first explicit example of a class of $AdS_3 \\times S^2$ geometries with $SU(2)$-structure. Furthermore, the non-Abelian T-dual of $AdS_3 \\times S^3 \\times S^3 \\times S^1$ results in a new supersymmetric $AdS_3 \\times S^2$ geometry, which falls outside of all known classifications. We explore the basic properties of the holographic duals associated to the new backgrounds. We compute the central charges and show that they are compatible with a large $\\mathcal{N}=4$ superconformal algebra in the infra-red.
Notes on beta-deformations of the pure spinor superstring in AdS(5) x S(5)
Oscar A. Bedoya; L. Ibiapina Beviláqua; Andrei Mikhailov; Victor O. Rivelles
2010-05-01T23:59:59.000Z
We study the properties of the vertex operator for the beta-deformation of the superstring in AdS(5) x S(5) in the pure spinor formalism. We discuss the action of supersymmetry on the infinitesimal beta-deformation, the application of the homological perturbation theory, and the relation between the worldsheet description and the spacetime supergravity description.
A generalization of the Lax pair for the pure spinor superstring in AdS5 x S5
Andrei Mikhailov
2013-08-09T23:59:59.000Z
We show that the Lax pair of the pure spinor superstring in AdS5xS5 admits a generalization where the generators of the superconformal algebra are replaced by the generators of some infinite-dimensional Lie superalgebra.
A generalization of the Lax pair for the pure spinor superstring in AdS5 x S5
Mikhailov, Andrei
2013-01-01T23:59:59.000Z
We show that the Lax pair of the pure spinor superstring in AdS5xS5 admits a generalization where the generators of the superconformal algebra are replaced by the generators of some infinite-dimensional Lie superalgebra.
Yangian Symmetry, S-Matrices and Bethe Ansatz for the AdS5 x S5 Superstring
M de Leeuw
2009-01-22T23:59:59.000Z
We discuss the relation between the recently derived bound state S-matrices for the AdS5 x S5 superstring and Yangian symmetry. We will study the relation between this Yangian symmetry and the Bethe ansatz. In particular we can use it to derive the Bethe equations for bound states.
Critical behavior of charged Gauss-Bonnet AdS black holes in the grand canonical ensemble
Zou, De-Cheng; Wang, Bin
2014-01-01T23:59:59.000Z
We study the thermodynamics in the grand canonical ensemble of D-dimensional charged Gauss-Bonnet-AdS black holes in the extended phase space. We find that the usual small-large black hole phase transition, which exhibits analogy with the Van de Waals liquid-gas system holds in five-dimensional spherical charged Gauss-Bonnet-AdS black holes when its potential is fixed within the range $0Gauss-Bonnet-AdS black holes, there is no such phase transition. In the limiting case, Reissner-Nordstrom-AdS black holes, with vanishing Gauss-Bonnet parameter, there is no critical behavior in the grand canonical ensemble. This result holds independent of the spacetime dimensions and topologies. We also examine the behavior of physical quantities in the vicinity of the critical point in the five-dimensional spherical charged Gauss-Bonnet-AdS black holes.
Critical behavior of charged Gauss-Bonnet AdS black holes in the grand canonical ensemble
De-Cheng Zou; Yunqi Liu; Bin Wang
2014-09-03T23:59:59.000Z
We study the thermodynamics in the grand canonical ensemble of D-dimensional charged Gauss-Bonnet-AdS black holes in the extended phase space. We find that the usual small-large black hole phase transition, which exhibits analogy with the Van de Waals liquid-gas system holds in five-dimensional spherical charged Gauss-Bonnet-AdS black holes when its potential is fixed within the range $0Gauss-Bonnet-AdS black holes, there is no such phase transition. In the limiting case, Reissner-Nordstrom-AdS black holes, with vanishing Gauss-Bonnet parameter, there is no critical behavior in the grand canonical ensemble. This result holds independent of the spacetime dimensions and topologies. We also examine the behavior of physical quantities in the vicinity of the critical point in the five-dimensional spherical charged Gauss-Bonnet-AdS black holes.
DEPARTAMENTO DE RECURSOS DEL MAR
comercial. ReproducciÃ³n, alimentaciÃ³n y crecimiento de los serranidos y lutjanidos del Banco de Campeche
DEPARTAMENTO DE RECURSOS DEL MAR
, alimentaciÃ³n y crecimiento de los serranidos y lutjanidos del Banco de Campeche, YucatÃ¡n. tbrule
Noncommutative Extension of AdS-CFT and Holographic Superconductors
Souvik Pramanik; Sudipta Das; Subir Ghosh
2015-02-13T23:59:59.000Z
In this Letter, we consider a Non-Commutative (NC) extension of AdS-CFT correspondence and its effects on holographic superconductors. NC corrections are incorporated via the NC generalization of Schwarzschild black hole metric in AdS with the probe limit. We study NC effects on the relations connecting the charge density and the critical temperature of the Holographic Superconductors. Furthermore, condensation operator of the superconductor has been analyzed. Our results suggest that generically, NC effects increase the critical temperature of the holographic superconductor.
Miskovic, Olivera; Olea, Rodrigo [Instituto de Fisica, Pontificia Universidad Catolica de Valparaiso, Casilla 4059, Valparaiso (Chile)
2011-03-15T23:59:59.000Z
We consider curvature-squared corrections to Einstein-Hilbert gravity action in the form of a Gauss-Bonnet term in D>4 dimensions. In this theory, we study the thermodynamics of charged static black holes with anti-de Sitter (AdS) asymptotics, and whose electric field is described by nonlinear electrodynamics. These objects have received considerable attention in recent literature on gravity/gauge dualities. It is well-known that, within the framework of anti-de Sitter/conformal field theory (AdS/CFT) correspondence, there exists a nonvanishing Casimir contribution to the internal energy of the system, manifested as the vacuum energy for global AdS spacetime in odd dimensions. Because of this reason, we derive a quantum statistical relation directly from the Euclidean action and not from the integration of the first law of thermodynamics. To this end, we employ a background-independent regularization scheme which consists, in addition to the bulk action, of counterterms that depend on both extrinsic and intrinsic curvatures of the boundary (Kounterterm series). This procedure results in a consistent inclusion of the vacuum energy and chemical potential in the thermodynamic description for Einstein-Gauss-Bonnet AdS gravity regardless of the explicit form of the nonlinear electrodynamics Lagrangian.
3. GOBERNANZA DEL PROYECTO 0. Presentacin del Modelo de Gobernanza del CEI UPF -Icria
Geffner, Hector
3. GOBERNANZA DEL PROYECTO 0. Presentación del Modelo de Gobernanza del CEI UPF - Icària En octubre de 2010, el proyecto CEI UPF - Icària, liderado por la Universidad Pompeu Fabra (UPF), fue, se ha definido para el CEI UPF - Icària un modelo de gobernanza que incluye una Dirección general, un
Poster: -Graphs: Flexible Topology Control in Wireless Ad Hoc Networks
Williamson, Carey
Poster: -Graphs: Flexible Topology Control in Wireless Ad Hoc Networks Ashikur Rahman Department networks. Most algorithms strive to reduce energy consumption by cre- ating a sparse topology with few long of topologies and provides the flexibility to network
ad hoc unmanned: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
Abdel Ilah of the Unmanned Aerial Vehicle (UAV) Ad-Hoc net- work, the layered architecture is not flexible enough to achieve in the first three layers based on the aircraft...
ads targeting public: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
system does not automatically search any patent databases so it is necessary for you to enter them manually. 1. On your Home screen click Oakley, Jeremy 2 Betrayed by Your Ads...
T HE C ABLE Did the Swift Boat Ads
Pritchard, Jonathan
by Associate Professor Scott Ashworth on the 2004 Swift Boat television ad campaign and its influence on John of interdisciplinary research. Lifting a Family Legacy Timothy Hannegan, MPP'87, discusses how becoming one
Nomadic Communications AA 2009/10 Vehicular Ad Hoc Networks
Lo Cigno, Renato Antonio
Nomadic Communications AA 2009/10 Vehicular Ad Hoc Networks 90% of this material is reproduced brakes before a collision Some 40% more do not brake effectively Road Accidents 41.600 fatalities 1
Nomadic Communications AA 2010/11 Vehicular Ad Hoc Networks
Lo Cigno, Renato Antonio
Nomadic Communications AA 2010/11 Vehicular Ad Hoc Networks 90% of this material is reproduced brakes before a collision Some 40% more do not brake effectively Road Accidents 41.600 fatalities 1
Nomadic Communications AA 2010/11 Vehicular Ad Hoc Networks
Lo Cigno, Renato Antonio
Nomadic Communications AA 2010/11 Vehicular Ad Hoc Networks 90% of this material is reproduced% of passengers vehicles and 26% of trucks do not activate brakes before a collision Some 40% more do not brake
Nomadic Communications AA 2009/10 Vehicular Ad Hoc Networks
Lo Cigno, Renato Antonio
Nomadic Communications AA 2009/10 Vehicular Ad Hoc Networks 90% of this material is reproduced% of passengers vehicles and 26% of trucks do not activate brakes before a collision Some 40% more do not brake
USDA Webinar: Value-Added Producer Grants for Tribal Entities
Broader source: Energy.gov [DOE]
Sponsored by the U.S. Department of Agriculture (USDA) Rural Development, this tribal-specific training will provide an overview of the FY14 Funding Opportunity and the Value-Added Producer Grants ...
Topping Turbines: Adding New Life to Older Plants
Cadrecha, M.
1984-01-01T23:59:59.000Z
An existing power plant can be repowered at a modest investment cost through a topping turbine installation. Essentially, this consists of replacing the existing old, low pressure boilers with new, high pressure boilers and adding a new, high...
Missouri Value-Added Loan Guarantee Program (Missouri)
Broader source: Energy.gov [DOE]
The Missouri Value-Added Loan Guarantee Program provides a 50% first-loss guarantee to lenders who make agricultural business development loans for the acquisition, construction, improvement, or...
User level routing for mobile ad hoc networks
Virk, Navjot
2001-01-01T23:59:59.000Z
Many routing protocols have been proposed for mobile ad hoc networks. Traditionally routing protocols have been implemented in the kernel of the operating system. The main reasons for this are performance and security. This research explores...
Topping Turbines: Adding New Life to Older Plants
Cadrecha, M.
1984-01-01T23:59:59.000Z
An existing power plant can be repowered at a modest investment cost through a topping turbine installation. Essentially, this consists of replacing the existing old, low pressure boilers with new, high pressure boilers and adding a new, high...
adding e85 fueling: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
electricity, ethanol (E85), natural gas 8 DESIGN AND MODELLING OF OXIDE FUEL FOR INCINERATION OF AMERICIUM AND PLUTONIUM IN AN EXPERIMENTAL ADS CiteSeer Summary: The interest to...
Modular Anomaly Detection for Smartphone Ad hoc Communication
by the infrastructure-based technologies there are no major deploy- ments of ad hoc networks in every day scenarios, or rendered useless due to damages. Thus, message dissemination in disaster area networks using a phone
Wood Products Marketing And Value-Added Opportunities
Wood Products Marketing And Value-Added Opportunities In Latin America: A Focus on Brazil Richard School of Renewable Natural Resources Louisiana State University Presented at: PANORAMA Curitiba, Brazil
Truthful resource management in wireless ad hoc networks
Cai, Jianfeng
2005-11-01T23:59:59.000Z
In wireless mobile ad hoc networks (MANETs), cooperation cannot be an im- plicit assumption anymore. Each profit-oriented network node has the intention to be selfish due to limited resource possession. In this dissertation, we investigate...
AdS/CFT and Exclusive Processes in QCD
Stanley J. Brodsky; Guy F. de Teramond
2007-09-13T23:59:59.000Z
The AdS/CFT correspondence between string theory in AdS space and conformal field theories in physical space-time leads to an analytic, semi-classical model for strongly-coupled QCD which has scale invariance and dimensional counting at short distances and color confinement at large distances. One can use holography to map the amplitude describing the hadronic state in the fifth dimension of Anti-de Sitter space to the light-front wavefunctions of hadrons in physical space-time, thus providing a relativistic description of hadrons in QCD at the amplitude level. In particular, we show that there is an exact correspondence between the fifth-dimensional coordinate of AdS space z and a specific impact variable zeta which measures the separation of the quark and gluonic constituents within the hadron in ordinary space-time. New relativistic light-front equations in ordinary space-time can then be derived which reproduce the results obtained using the 5-dimensional theory. The effective light-front equations possess elegant algebraic structures and integrability properties. This connection between the AdS and the light-front representations allows one to compute the analytic form of the frame-independent light-front wavefunctions, the fundamental entities which encode hadron properties and allow the computation of decay constants, form factors, deeply virtual Compton scattering, exclusive heavy hadron decays and other exclusive scattering amplitudes. As specific examples we compute the pion coupling constant and study the behavior of the pion form factor in the space and time-like regions. We also determine the Dirac form factors of the proton and neutron in the space-like region.
modelado y analisis del transporte del herbicida glifosato
2001-03-12T23:59:59.000Z
Los experimentos fueron diseñados para caracterizar la migración del herbicida glifosato en la zona no saturada y determinar el riesgo de contaminación en el ...
ADS-B benefits to general aviation and barriers to implementation
Kunzi, Fabrice
2011-01-01T23:59:59.000Z
Automatic Dependent Surveillance - Broadcast (ADS-B) will be the basis of the future surveillance system in the US. To achieve benefit from ADS-B, aircraft have to be equipped with ADS-B avionics across all stakeholders. ...
Genova, Università degli Studi di
1 La nuova ascesa dell'Economia Politica Lectio magistralis in occasione del conferimento della'immensa fortuna che mi ha accompagnato in questi 50 anni di ricerca. Nell'ambito dell'Economia Politica ad, Statistica ed Economia e, al contempo, di superare i corsi per assicurarmi la laurea in Matematica. Nel 1966
DEPARTAMENTO DE RECURSOS DEL MAR
. ReproducciÃ³n, alimentaciÃ³n y crecimiento de los serranidos y lutjanidos del Banco de Campeche, YucatÃ¡n. tbrule
ECONOMIA DEL PAESAGGIO Tiziano Tempesta
Tempesta, Tiziano
9 ECONOMIA DEL PAESAGGIO RURALE Tiziano Tempesta Padova, maggio 2009 Il presente lavoro, ma solo cercare di analizzare il tema utilizzando gli schemi concettuali dell'economia. Innanzitutto
Top Value Added Chemicals from Biomass: Volume I--Results of...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
Top Value Added Chemicals from Biomass: Volume I--Results of Screening for Potential Candidates from Sugars and Synthesis Gas Top Value Added Chemicals from Biomass: Volume...
Study of confinement/deconfinement transition in AdS/QCD with generalized warp factors
Shobhit Sachan
2014-08-22T23:59:59.000Z
We study analytical solutions of charged black holes and thermally charged AdS with generalized warped factors in Einstein-Maxwell-Dilaton system. We calculate Euclidean action for charged AdS and thermally charged AdS. The actions in both backgrounds are regularized by the method of background subtraction. The study of phase transition between charged black hole and thermally charged AdS gives an insight to the confinement/deconfinement transition. The plots of grand potential vs temperature and chemical potential vs transition temperature are obtained.
Electric Field Quench in AdS/CFT
Koji Hashimoto; Shunichiro Kinoshita; Keiju Murata; Takashi Oka
2014-07-03T23:59:59.000Z
An electric field quench, a suddenly applied electric field, can induce nontrivial dynamics in confining systems which may lead to thermalization as well as a deconfinement transition. In order to analyze this nonequilibrium transitions,we use the AdS/CFT correspondence for $\\mathcal{N}=2$ supersymmetric QCD that has a confining meson sector. We find that the electric field quench causes the deconfinement transition even when the magnitude of the applied electric field is smaller than the critical value for the static case (which is the QCD Schwinger limit for quark-antiquark pair creation). The time dependence is crucial for this phenomenon, and the gravity dual explains it as an oscillation of a D-brane in the bulk AdS spacetime. Interestingly, the deconfinement time takes only discrete values as a function of the magnitude of the electric field. We advocate that the new deconfinement phenomenon is analogous to the exciton Mott transition.
New Massive Gravity and AdS{sub 4} Counterterms
Jatkar, Dileep P. [Harish-Chandra Research Institute, Chhatnag Road, Jhusi, Allahabad, 211019 (India); Sinha, Aninda [Centre for High Energy Physics, Indian Institute of Science, C. V. Raman Avenue, Bangalore 560012 (India)
2011-04-29T23:59:59.000Z
We show that the recently proposed Dirac-Born-Infeld extension of new massive gravity emerges naturally as a counterterm in four-dimensional anti-de Sitter space (AdS{sub 4}). The resulting on-shell Euclidean action is independent of the cutoff at zero temperature. We also find that the same choice of counterterm gives the usual area law for the AdS{sub 4} Schwarzschild black hole entropy in a cutoff-independent manner. The parameter values of the resulting counterterm action correspond to a c=0 theory in the context of the duality between AdS{sub 3} gravity and two-dimensional conformal field theory. We rewrite this theory in terms of the gauge field that is used to recast 3D gravity as a Chern-Simons theory.
No-carrier-added [1.sup.11 c]putrescine
McPherson, Daniel W. (Baltimore, MD); Fowler, Joanna S. (Bellport, NY); Wolf, Alfred P. (Setauket, NY)
1989-01-01T23:59:59.000Z
The invention relates to a new radiolabeled imaging agent, no-carrier-added [1-.sup.11 C]putrescine, and to the use of this very pure material as a radiotracer with positron emission tomography for imaging brain tumors. The invention further relates to the synthesis of no-carrier-added [1-.sup.11 C]putrescine based on the Michael addition of potassium .sup.11 C-labeled cyanide to acrylonitrile followed by reduction of the .sup.11 C-labeled dinitrile. The new method is rapid and efficient and provides radiotracer with a specific activity greater than 1.4 curies per millimol and in a purity greater than 95%.
Non-extended phase space thermodynamics of Lovelock AdS black holes in grand canonical ensemble
Jie-Xiong Mo; Wen-Biao Liu
2015-03-06T23:59:59.000Z
Recently, extended phase space thermodynamics of Lovelock AdS black holes has been of great interest. To provide insight from a different perspective and gain a unified phase transition picture, non-extended phase space thermodynamics of $(n+1)$-dimensional charged topological Lovelock AdS black holes is investigated detailedly in the grand canonical ensemble. Specifically, the specific heat at constant electric potential is calculated and phase transition in the grand canonical ensemble is discussed. To probe the impact of the various parameters, we utilize the control variate method and solve the phase transition condition equation numerically for the case $k=1,-1$. There are two critical points for the case $n=6,k=1$ while there is only one for other cases. For $k=0$, there exists no phase transition point. To figure out the nature of phase transition in the grand canonical ensemble, we carry out an analytic check of the analog form of Ehrenfest equations proposed by Banerjee et al. It is shown that Lovelock AdS black holes in the grand canonical ensemble undergo a second order phase transition. To examine the phase structure in the grand canonical ensemble, we utilize the thermodynamic geometry method and calculate both the Weinhold metric and Ruppeiner metric. It is shown that for both analytic and graphical results that the divergence structure of the Ruppeiner scalar curvature coincides with that of the specific heat. Our research provides one more example that Ruppeiner metric serves as a wonderful tool to probe the phase structures of black holes.
A $\\mathcal{N}=2$ Supersymmetric $AdS_4$ Solution in M-theory with Purely Magnetic Flux
Yolanda Lozano; Niall T. Macpherson; Jesús Montero
2015-07-10T23:59:59.000Z
We find a new $\\mathcal{N}=2$ $AdS_4$ solution in M-theory supported by purely magnetic flux via a sequence of abelian and non-abelian T-dualities. This provides the second known example in this class besides the uplift of the Pernici and Sezgin solution to 7d gauged supergravity constructed in the eighties. We compute the free energy of the solution, and show that it scales as $N^{3/2}$. It is intriguing that even though the natural holographic interpretation is in terms of M5-branes wrapped on a special Lagrangian 3-cycle, this solution does not exhibit the expected $N^3$ behavior.
Bound States of the q-Deformed AdS5 x S5 Superstring S-matrix
Ben Hoare; Timothy J. Hollowood; J. Luis Miramontes
2012-05-31T23:59:59.000Z
The investigation of the q deformation of the S-matrix for excitations on the string world sheet in AdS5 x S5 is continued. We argue that due to the lack of Lorentz invariance the situation is more subtle than in a relativistic theory in that the nature of bound states depends on their momentum. At low enough momentum |p|1. This subtlety fixes a problem involving the consistency of crossing symmetry with the relativistic limit found in earlier work. With mirror kinematics, obtained after a double Wick rotation, the bound state structure is simpler and there are no marginally unstable bound states.
Bound States of the q-Deformed AdS5 x S5 Superstring S-matrix
Hoare, Ben; Miramontes, J Luis
2012-01-01T23:59:59.000Z
The investigation of the q deformation of the S-matrix for excitations on the string world sheet in AdS5 x S5 is continued. We argue that due to the lack of Lorentz invariance the situation is more subtle than in a relativistic theory in that the nature of bound states depends on their momentum. At low enough momentum |p|1. This subtlety fixes a problem involving the consistency of crossing symmetry with the relativistic limit found in earlier work. With mirror kinematics, obtained after a double Wick rotation, the bound state structure is simpler and there are no marginally unstable bound states.
Institute for Software Technology Ad anced RoboticsAdvanced Robotics
Interaction #12;Institute for Software Technology Application Areas Gerald Steinbauer 3 Advanced RoboticsInstitute for Software Technology Ad anced RoboticsAdvanced Robotics Human Robot Interaction Gerald Steinbauer Institute for Software Technology Gerald Steinbauer 1 Advanced Robotics Â Human Robot Interaction
Building Intelligent Environments By Adding Smart Artifacts to Spaces
Loke, Seng W. - Loke, Seng W.
Building Intelligent Environments By Adding Smart Artifacts to Spaces: a Peer-to-Peer Architecture collections of smart artifacts, each artifact with an embedded processor, networking and sensing capabilities. The interactive capabilities of the environment are due to the collective working of the smart artifacts
Operational Risk Management: Added Value of Advanced Methodologies
Maume-Deschamps, VÃ©ronique
Operational Risk Management: Added Value of Advanced Methodologies Paris, September 2013 Bertrand HASSANI Head of Major Risks Management & Scenario Analysis Santander UK Disclaimer: The opinions, ideas Measurement Key statements 1. Risk management moto: Si Vis Pacem Para Belum 1. Awareness 2. Prevention 3
Connectivity Based Location Estimation Scheme for Wireless Ad Hoc Networks
Ramanathan, Parameswaran "Parmesh"
Connectivity Based Location Estimation Scheme for Wireless Ad Hoc Networks Niveditha Sundaram. The loca- tion estimates rely on neighborhood relationships gathered by each user through message, form factors, energy consumption, etc., providing GPS support may not be feasible even in outdoor
Smaller Connected Dominating Sets in Ad Hoc and Sensor Networks
Paris-Sud XI, Université de
Smaller Connected Dominating Sets in Ad Hoc and Sensor Networks based on Coverage by Two be broadcasting, where the size of the set greatly impacts on energy consumption. Obtaining small sets is thus is considered. In our new definition, a node u is not dominant if there exists in its 2- hop neighborhood
1 Antenna Beamforming and Power Control for Ad Hoc Networks
Ramanathan, Ram
1 Antenna Beamforming and Power Control for Ad Hoc Networks RAM RAMANATHAN BBN Technologies power, spreading code, and antenna beams. By controlling these transceiver parameters adaptively, coding, etc.) can also yield benefits, we shall focus on antenna and power control as they have been
A Power Control MAC Protocol for Ad Hoc Networks
A Power Control MAC Protocol for Ad Hoc Networks Eun-Sun Jung Dept. of Computer Science Texas A This paper presents a power control MAC protocol that al- lows nodes to vary transmit power level on a per control. The main idea of these power control schemes is to use different power lev- els for RTS
Topology Control in Wireless Ad Hoc and Sensor PAOLO SANTI
Chen, Yuanzhu Peter
- works to reduce energy consumption, which is essential to extend the network operational time. The goal, with the purpose of maintaining some global graph property (e.g., connectivity) while reducing energy consumption and Phrases: Connectivity, Energy consumption, Sensor networks, Topol- ogy control, Wireless ad hoc networks 1
Real-Time Bid Optimization for Group-Buying Ads
Balakrishnan, Raju
2012-01-01T23:59:59.000Z
Group-buying ads seeking a minimum number of customers before the deal expiry are increasingly used by the daily-deal providers. Unlike the traditional web ads, the advertiser's profits for group-buying ads depends on the time to expiry and additional customers needed to satisfy the minimum group size. Since both these quantities are time-dependent, optimal bid amounts to maximize profits change with every impression. Consequently, traditional static bidding strategies are far from optimal. Instead, bid values need to be optimized in real-time to maximize expected bidder profits. This online optimization of deal profits is made possible by the advent of ad exchanges offering real-time (spot) bidding. To this end, we propose a real-time bidding strategy for group-buying deals based on the online optimization of bid values. We derive the expected bidder profit of deals as a function of the bid amounts, and dynamically vary bids to maximize profits. Further, to satisfy time constraints of the online bidding, we ...
Adding Parallel I/O to PARA-BMU
Johnson, Nick; Bethune, Iain
2012-10-01T23:59:59.000Z
VOX-FE is a voxel-based bone modelling suite. The solver part of the suite - PARA-BMU - currently uses only serial I/O routines which lead to poor scalability. We enhance the code by adding parallel I/O routines based on the netCDF and HDF5...
EXTENDING UFDS TO PIDS WITHOUT ADDING UNITS KEITH A. KEARNES
Kearnes, Keith A.
EXTENDING UFDS TO PIDS WITHOUT ADDING UNITS KEITH A. KEARNES ABSTRACT. If U is a UFD, then there is a PID P containing U that has the same unit group as U. Moreover, P can be taken so that its field there is a PID P such that (i) P is a proper subring of the real numbers, (ii) P properly contains the ring
Raman Lidar Profiles–Temperature (RLPROFTEMP) Value-Added Product
Newsom, RK; Sivaraman, C; McFarlane, SA
2012-10-31T23:59:59.000Z
The purpose of this document is to describe the Raman Lidar Profiles–Temperature (RLPROFTEMP) value-added product (VAP) and the procedures used to derive atmospheric temperature profiles from the raw RL measurements. Sections 2 and 4 describe the input and output variables, respectively. Section 3 discusses the theory behind the measurement and the details of the algorithm, including calibration and overlap correction.
Managing Concurrent Execution of Transactions in Mobile Ad-hoc
Gruenwald, Le
: an Energy-Efficient Approach Zhaowen Xing University of Oklahoma School of Computer Science 110 West Boyd Systems: an Energy-Efficient Approach Abstract. A Mobile Ad-hoc Network (MANET) is a collection of mobile. In order to provide timely and correct results for multiple concurrent transactions, energy-efficient
A Locationaided Poweraware Routing Protocol in Mobile Ad Hoc Networks
Nahrstedt, Klara
hop wireless adhoc networks, designing energyefficient rout ing protocols is critical since nodes are power be mobile, demanding the energyefficient routing protocol to be fully distributed and adaptive spect to endtoend energyefficient routes. Finally, preliminary simulation results are presented
Drug Information Chart Notes Drug ad (intrinsic bias)
Abolmaesumi, Purang
Drug Information Chart Notes Drug ad (intrinsic bias) Trade name Different for each company Dosage Same or different? A drug in a different dosage can be used for a different therapy. Precautions Check for pregnancy A complete book on drugs in pregnancy and lactation in bibliography. (unbiased
Adding Decision Procedures to SMT Solvers using Axioms with Triggers
Paris-Sud XI, Université de
Adding Decision Procedures to SMT Solvers using Axioms with Triggers Claire Dross Sylvain Conchon Johannes Kanig Andrei Paskevich December 9, 2013 Abstract SMT solvers are efficient tools to decide of a given SMT solver, and is done mainly by the developers of the solver itself. For many useful theories
Energy Aware Implementation of an Ad Hoc Routing Protocol
Brown, Timothy X.
Energy Aware Implementation of an Ad Hoc Routing Protocol by Shweta Bhandare Scriptor B in Telecommunications Department of InterDisciplinary Telecommunications 2003 #12;This thesis entitled: Energy Aware mentioned discipline. #12;iii Scriptor, Shweta Bhandare (M.S., Telecommunications) Energy Aware
adding carbon nanotubes: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
adding carbon nanotubes First Page Previous Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Carbon Nanotubes. Open Access...
IFlemish AcadelmicCentre for Science and the Ads-
Vertes, Akos
IFlemish AcadelmicCentre for Science and the Ads- -Report 2004 I #12;Flemisch Academic Centre)icatwns. we B M ~CMI ~ n m t eU~WIa C B I I ~ ~ ~ O ~ the -b?ocMmi~'dlylartmsnttwo yam ago an# here the f w
Metodologa de investigacin para la restauracin del
Rey Benayas, José María
DESARROLLO SOSTENIBLE DEL MEDIO RURAL LEY DE 28 DE MAYO DE 2007, DE SUELO #12;CAMBIOS EN LOS USOS DEL SUELO
Sandia National Laboratories: Mesa del Sol
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
Mesa del Sol Mesa del Sol Project Is Finalist for International Smart Grid Action Network 2014 Award of Excellence On July 31, 2014, in Distribution Grid Integration, Energy,...
1 Introduzione 5 2 La Fisica dei Quark Pesanti ad HERA 7
calorimetro ad uranio--scintillatore (CAL) . . . . . . . . . . . . . . . 35 4.3.1 Risoluzione energetica e
Application of AdS/CFT in Nuclear Physics
M. R. Pahlavani; R. Morad
2014-03-11T23:59:59.000Z
We review some recent progress in studying the nuclear physics especially nucleon-nucleon (NN) force within the gauge-gravity duality, in context of noncritical string theory. Our main focus is on the holographic QCD model based on the $AdS_6$ background. We explain the noncritical holography model and obtain the vector-meson spectrum and pion decay constant. Also, we study the NN interaction in this frame and calculate the nucleon-meson coupling constants. A further topic covered is a toy model for calculating the light nuclei potential. In particular, we calculate the light nuclei binding energies and also excited energies of some available excited states. We compare our results with the results of other nuclear models and also with the experimental data. Moreover, we describe some other issues which are studied using the gauge-gravity duality.
Organic Aerosol Component (OACOMP) Value-Added Product Report
Fast, J; Zhang, Q; Tilp, A; Shippert, T; Parworth, C; Mei, F
2013-08-23T23:59:59.000Z
Significantly improved returns in their aerosol chemistry data can be achieved via the development of a value-added product (VAP) of deriving OA components, called Organic Aerosol Components (OACOMP). OACOMP is primarily based on multivariate analysis of the measured organic mass spectral matrix. The key outputs of OACOMP are the concentration time series and the mass spectra of OA factors that are associated with distinct sources, formation and evolution processes, and physicochemical properties.
Il logo del CNR the CNR logotype
Pedicini, Marco
Il logo del CNR the CNR logotype #12;Il logo del CNR - the CNR logotype Consiglio Nazionale delle Ricerche National Research Council of Italy LOGORESTYLING:SILVESTROCALIGIURI-CNR #12;Il logo del CNR- nopqrstuvz ABCDEFGHILM- NOPQRSTUVZ #12;Il logo del CNR - the CNR logotype Utilizzo in orizzontale (da
A Natural Language for AdS/CFT Correlators
Fitzpatrick, A.Liam; /Boston U.; Kaplan, Jared; /SLAC; Penedones, Joao; /Perimeter Inst. Theor. Phys.; Raju, Suvrat; /Harish-Chandra Res. Inst.; van Rees, Balt C.; /YITP, Stony Brook
2012-02-14T23:59:59.000Z
We provide dramatic evidence that 'Mellin space' is the natural home for correlation functions in CFTs with weakly coupled bulk duals. In Mellin space, CFT correlators have poles corresponding to an OPE decomposition into 'left' and 'right' sub-correlators, in direct analogy with the factorization channels of scattering amplitudes. In the regime where these correlators can be computed by tree level Witten diagrams in AdS, we derive an explicit formula for the residues of Mellin amplitudes at the corresponding factorization poles, and we use the conformal Casimir to show that these amplitudes obey algebraic finite difference equations. By analyzing the recursive structure of our factorization formula we obtain simple diagrammatic rules for the construction of Mellin amplitudes corresponding to tree-level Witten diagrams in any bulk scalar theory. We prove the diagrammatic rules using our finite difference equations. Finally, we show that our factorization formula and our diagrammatic rules morph into the flat space S-Matrix of the bulk theory, reproducing the usual Feynman rules, when we take the flat space limit of AdS/CFT. Throughout we emphasize a deep analogy with the properties of flat space scattering amplitudes in momentum space, which suggests that the Mellin amplitude may provide a holographic definition of the flat space S-Matrix.
Commissioning and First Operation of the Antiproton Decelerator (AD)
Belochitskii, P; Buttkus, J; Carli, Christian; Caspers, Friedhelm; Chohan, V; Cornuet, D; Eriksson, T; Findlay, A; Giovannozzi, Massimo; Holzer, B; MacCaferri, R; Madsen, N; Marchesotti, M; Maury, S; Möhl, D; Pasinelli, S; Pedersen, F; Søby, L; Tan, J; Tranquille, G
2001-01-01T23:59:59.000Z
The Antiproton Decelerator (AD) is a simplified source of antiprotons which provides low energy antiprotons for experiments, replacing four machines: AC (Antiproton Collector), AA (Antiproton Accumulator), PS and LEAR (Low Energy Antiproton Ring), shutdown in 1996. The former AC was modified to include deceleration and electron cooling. The AD started operation in July 2000 and has since delivered cooled beam at 100 MeV/c (kinetic energy of 5.3 MeV) to 3 experiments (ASACUSA, ATHENA and ATRAP) for 1500 h. The flux (up to 2.5´105pbars /s delivered in short pulses of 330 ns every 110 s) and the quality of the ejected beam are not far from the design specifications. A linear RF Quadrupole Decelerator (RFQD) was commissioned in November 2000 to post-decelerate the beam for ASACUSA from 5.3 MeV to about 15 keV. Problems encountered in converting the fixed energy AC into a decelerating machine will be outlined, and the present status of the AD, including the performance of the cooling systems and the special diagn...
Solar activity around AD 775 from aurorae and radiocarbon
Neuhaeuser, Ralph
2015-01-01T23:59:59.000Z
A large variation in 14 C around AD 775 has been considered to be caused by one or more solar super-flares within one year. We critically review all known aurora reports from Europe as well as the Near, Middle, and Far East from AD 731 to 825 and find 39 likely true aurorae plus four more potential aurorae and 24 other reports about halos, meteors, thunderstorms etc., which were previously misinterpreted as aurorae or misdated; we assign probabilities for all events according to five aurora criteria. We find very likely true aurorae in AD 743, 745, 762, 765, 772, 773, 793, 796, 807, and 817. There were two aurorae in the early 770s observed near Amida (now Diyarbakir in Turkey near the Turkish-Syrian border), which were not only red, but also green-yellow - being at a relatively low geo-magnetic latidude, they indicate a relatively strong solar storm. However, it cannot be argued that those aurorae (geo-magnetical latitude 43 to 50 deg, considering five different reconstructions of the geo-magnetic pole) coul...
Modelo Hidrulico Operacional del Oeste
Gilbes, Fernando
Modelo HidrÃ¡ulico Operacional del Oeste Modelo HidrÃ¡ulico Operacional del Oeste Roy Ruiz VÃ©lez Â TÃ©cnico GIS, PRWRERI Maria M. Torres OlÃ¡n Â Estudiante Ing. Civil Instituto de Investigaciones Sobre, Ph.D., P.E. Dr. Walter F. Silva Araya, Ph.D., P.E. #12;Modelo HidrÃ¡ulico OperacionalModelo HidrÃ¡ulico
On the Central Charge of Spacetime Current Algebras and Correlators in String Theory on AdS3
Porrati, Massimo
2015-01-01T23:59:59.000Z
Spacetime Virasoro and affine Lie algebras for strings propagating in AdS3 are known to all orders in $\\alpha'$. The central extension of such algebras is a string vertex, whose expectation value can depend on the number of long strings present in the background but should be otherwise state-independent. In hep-th/0106004, on the other hand, a state-dependent expectation value was found. Another puzzling feature of the theory is lack of cluster decomposition property in certain connected correlators. This note shows that both problems can be removed by defining the free energy of the spacetime boundary conformal field theory as the Legendre transform of the formula proposed in the literature. This corresponds to pass from a canonical ensemble, where the number of fundamental strings that create the background can fluctuate, to a microcanonical one, where it is fixed.
Non-perturbative Effects in AdS5 * S5 String Theory and d=4 SUSY Yang-Mills
Tom Banks; Michael B. Green
1998-06-10T23:59:59.000Z
We show that five-dimensional anti de-Sitter space remains a solution to low-energy type IIB supergravity when the leading higher-derivative corrections to the classical supergravity (which are non-perturbative in the string coupling) are included. Furthermore, at this order in the low energy expansion of the IIB theory the graviton two-point and three-point functions in $AdS_5 \\times S^5$ are shown not to be renormalized and a precise expression is obtained for the four-graviton and related S-matrix elements. By invoking Maldacena's conjectured connection between IIB superstring theory and supersymmetric Yang-Mills theory corresponding statements are obtained concerning correlation functions of the energy-momentum tensor and related operators in the large-N Yang-Mills theory. This leads to interesting non-perturbative statements and insights into the r\\^ole of instantons in the gauge theory.
Bound States, Yangian Symmetry and Classical r-matrix for the AdS5 x S5 Superstring
M de Leeuw
2009-10-06T23:59:59.000Z
We show that the recently found S-matrices describing the scattering of two-particle bound states of the light-cone string sigma model on AdS5 x S5 are compatible with Yangian symmetry. In case the invariance with respect to the centrally extended su(2|2) algebra is not sufficient to fully specify the scattering matrix, the requirement of Yangian symmetry provides an alternative to the Yang-Baxter equation and leads to a complete, up to an overall phase, determination of the S-matrix. We then compare the semi-classical limit of the bound state S-matrices with the universal classical r-matrix by Beisert and Spill evaluated in the corresponding bound state representations and find perfect agreement.
A. Belhaj; M. Chabab; H. EL Moumni; K. Masmar; M. B. Sedra
2015-07-01T23:59:59.000Z
Interpreting the cosmological constant as a thermodynamic pressure and its conjugate quantity as a thermodynamic volume, we reconsider the investigation of P-V critical behaviors of (1+n)-dimensional topological AdS black holes in Lovelock-Born-Infeld gravity. In particular, we give an explicit expression of the universal number \\chi=\\frac{P_c v_c}{T_c} in terms of the space dimension $n$. Then, we examine the phase transitions at the critical points of such topological black holes for 6 \\leq n \\leq 11 as required by the physical condition of the thermodynamical quantities. More precisely, the Ehrenfest equations have been checked revealing that the black hole system undergoes a second phase transition at the critical points.
Akira Watanabe; Katsuhiko Suzuki
2014-06-09T23:59:59.000Z
We present analyses on nucleon structure functions at the small Bjorken-$x$ in the framework of holographic QCD. In this study, we improve the description of the target nucleon in the current setup of the holographic model by introducing a soft-wall AdS/QCD model, in which the AdS geometry is smoothly cut off at IR. Combining the improved Pomeron-nucleon coupling and the wave function of the 5D U(1) vector field with the BPST Pomeron exchange kernel, then we obtain the structure functions. Here we focus on the nonperturbative kinematical region, where $10^{-6} \\leq x \\leq 10^{-2}$ and $0.1 \\leq Q^2 \\leq 10$ [GeV$^2$], and show that our calculations for $F_2^p$ and $F_L^p$ are consistent with experimental data of the deep inelastic scattering at HERA. Furthermore, we find that the resulting longitudinal-to-transverse ratio of the structure functions, $F_L^p/F_T^p$, depends on both of $x$ and $Q^2$.
Adding Insulation to an Existing Home | Department of Energy
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 being directed off Energy.gov. Are you sure you want toworldPower 2010 1A Potential PathAdding Insulation to an
AD Hydro Power Ltd ADHPL | Open Energy Information
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 being directedAnnual Siteof Energy 2,AUDITCaliforniaWeifangwiki Home Jweers's APTAPFinal ReportAD Hydro Power
Ads-tec GmbH | Open Energy Information
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Transportation Plan Ad Hoc Working Group | Department of Energy
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 33 1112011 Strategic2Uranium Transferon theTed DonatEnergyDepartment of EnergyPlan Ad Hoc
Adding Insulation to an Existing Home | Department of Energy
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platform is alwaysISO 50001 Energy26.1U.S.-Brazil WindDepartment ofAdding
Ad Lucem Workshop: Modeling Breakout Session | 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 Your Destiny: The Future of1 AAccelerated aging of1.1Energy DPF forWorkshop Welcome Ad
Spatial Interference Mitigation for Multiple Input Multiple Output Ad Hoc Networks: MISO Gains
Paris-Sud XI, Université de
Spatial Interference Mitigation for Multiple Input Multiple Output Ad Hoc Networks: MISO Gains beamforming for a multiple input single output (MISO) ad hoc network to increase the density of successful
Digital ad morphing : using behavioral analysis to increase response rates to online advertisements
Link, Cordelia S
2011-01-01T23:59:59.000Z
This paper details the implementation and testing of a digital ad morphing system, a system which determines user cognitive style based on interaction with a website and serves ads designed to complement that cognitive ...
E-Print Network 3.0 - ad hoc cloud Sample Search Results
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any ad hoc combination of physical processes... . 21. Adding 10% in mass of 10 y m water ice particles to the cloud of Fig 2 ( Y y m, ) reduces... Warming Early Mars with...
Jenkins, Marisa Rachael
2009-01-01T23:59:59.000Z
Automatic Dependent Surveillance-Broadcast (ADS-B) is considered to be a crucial part of the next generation of air transportation systems worldwide. Developing mature ADS-B applications which provide stakeholders with ...
TDROP: A routing protocol for physically hierarchical ad hoc mobile networks
Ahmed, Zaheer
2000-01-01T23:59:59.000Z
Many protocols for routing in mobile ad hoc networks have been proposed. None of these protocols differentiates mobile nodes based on their physical characteristics and also there is only one proposal for connecting ad hoc networks together to form...
Comparison of value-added models for school ranking and classification: a Monte Carlo study
Wang, Zhongmiao
2009-05-15T23:59:59.000Z
A “Value-Added” definition of school effectiveness calls for the evaluation of schools based on the unique contribution of schools to individual student academic growth. The estimates of value-added school effectiveness are usually used for ranking...
Node Localisation in Wireless Ad Hoc Networks Jon Arnold, Nigel Bean, Miro Kraetzl, Matthew Roughan
Roughan, Matthew
Node Localisation in Wireless Ad Hoc Networks Jon Arnold, Nigel Bean, Miro Kraetzl, Matthew Roughan, Australia Email:{nigel.bean,matthew.roughan}@adelaide.edu.au Abstract-- Wireless ad hoc networks often
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Matching the Hagedorn temperature in AdS/CFT correspondence
Harmark, Troels; Orselli, Marta [Niels Bohr Institute and Nordita Blegdamsvej 17, 2100 Copenhagen O (Denmark)
2006-12-15T23:59:59.000Z
We match the Hagedorn/deconfinement temperature of planar N=4 super Yang-Mills (SYM) on RxS{sup 3} to the Hagedorn temperature of string theory on AdS{sub 5}xS{sup 5}. The match is done in a near-critical region where both gauge theory and string theory are weakly coupled. The near-critical region is near a point with zero temperature and critical chemical potential. On the gauge-theory side we are taking a decoupling limit found in Ref. 7 in which the physics of planar N=4 SYM is given exactly by the ferromagnetic XXX{sub 1/2} Heisenberg spin chain. We find moreover a general relation between the Hagedorn/deconfinement temperature and the thermodynamics of the Heisenberg spin chain and we use this to compute it in two distinct regimes. On the string-theory side, we identify the dual limit for which the string tension and string coupling go to zero. This limit is taken of string theory on a maximally supersymmetric pp-wave background with a flat direction, obtained from a Penrose limit of AdS{sub 5}xS{sup 5}. We compute the Hagedorn temperature of the string theory and find agreement with the Hagedorn/deconfinement temperature computed on the gauge-theory side.
Two years of AD operation Experience and progress
Belochitskii, P; Findlay, A; Holzer, E B; MacCaferri, R; Maury, S; Pasinelli, S; Pedersen, F; Tranquille, G
2002-01-01T23:59:59.000Z
The antiproton decelerator (AD) has been running successfully for physics for the past two years. After the end of the commissioning period [1] that finished in 2000, the machine has gradually been improved. The main efforts were concentrated on increasing the beam intensity, reducing the cycle length and improving the machine stability. The intensity of the injected beam has been significantly increased due to a higher beam intensity from the PS complex and also due to increased transverse acceptances in the AD machine. The beam losses during deceleration were reduced from 30-40 % down to a few percent, mainly due to improvements of the operation of the deceleration RF cavity. Altogether these improvements increased the intensity of the ejected beam by a factor of two. Improvements of the electron cooling were followed by a reduction of emittances and cycle duration (about 15%). Progress in beam diagnostics now allows the monitoring of the machine performance during the whole cycle. The stability of the mach...
Generalized massive gravity in AdS{sub 3} spacetime
Liu Yan; Sun Yawen [Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, P. O. Box 2735, Beijing 100190 (China)
2009-06-15T23:59:59.000Z
In this note we investigate the generalized massive gravity in asymptotically AdS{sub 3} spacetime by combining the two mass terms of topological massive gravity and new massive gravity theory. We study the linearized excitations around the AdS{sub 3} background and find that at a specific value of a certain combination of the two mass parameters (chiral line), one of the massive graviton solutions becomes the left-moving massless mode. It is shown that the theory is chiral at this line under Brown-Henneaux boundary condition. Because of this degeneration of the gravitons the new log solution which has a logarithmic asymptotic behavior is also a solution to this gravity theory at the chiral line. The log boundary condition which was proposed to accommodate this log solution is proved to be consistent at this chiral line. The resulting theory is no longer chiral except at a special point on the chiral line, where another new solution with log-square asymptotic behavior exists. At this special point, we prove that a new kind of boundary condition called log-square boundary condition, which accommodates this new solution, can be consistent.
Influences of Government Interventions on Increasing Value-Added Wood Product Exports from Ghana
Influences of Government Interventions on Increasing Value-Added Wood Product Exports from Ghana exporting raw materials such lumber to exporting processed or value-added wood products. In the mid-1990s on increasing value-added exports. These actions are: 1) the imposition of a levy on air-dried lumber exports, 2
Wireless ad hoc networks Acknowledgement: Slides borrowed from Richard Y. Yang @ Yale
Gao, Jie
are not flexible. Vulnerable to attacks. · Ad hoc networks· Ad hoc networks Flexible, easy to deploy, cheaper · Optimal power assignment /transmission range · Optimal scheduling & multi-hop routing · Node are staticWireless ad hoc networks Acknowledgement: Slides borrowed from Richard Y. Yang @ Yale #12
FaultTolerant Distributed Algorithms in Sparse Ad Hoc Wireless Networks
FaultTolerant Distributed Algorithms in Sparse Ad Hoc Wireless Networks (SPAWN) BETTINA WEISS communication technologies, wireless ad hoc networks are increasingly commonplace nowadays. Spontaneous (``ad wireless sensor networks and disaster area communication systems. It is also a major enabling technology
A Multiobjective Performance Evaluation Framework for Routing in Wireless Ad Hoc
Jaffrès-Runser, Katia
network when delay, robustness and energy are considered. I. INTRODUCTION Wireless ad hoc and sensor to transmission delay [8], energy consumption [9] or fairness [10] are added on top of its main design goalA Multiobjective Performance Evaluation Framework for Routing in Wireless Ad Hoc Networks Katia
Mapping of Subtasks with Multiple Versions in a Heterogeneous Ad Hoc Grid Environment
Maciejewski, Anthony A.
Mapping of Subtasks with Multiple Versions in a Heterogeneous Ad Hoc Grid Environment Sameer Shivle. Index Terms-- ad hoc grid, communication scheduling, mapping, resource allocation, task scheduling. 1 in the ad hoc grid. It is also assumed that a static mapping that maps the subtasks to these M machines
Static Mapping of Subtasks in a Heterogeneous Ad Hoc Grid Environment
Maciejewski, Anthony A.
Static Mapping of Subtasks in a Heterogeneous Ad Hoc Grid Environment Sameer Shivle1 , Ralph to efficiently map tasks to machines in an ad hoc grid so as to minimize the energy consumed due to communication University George T. Abell Endowment. Abstract An ad hoc grid is a heterogeneous computing and communication
Enhancing the Security of On-demand Routing in Ad Hoc Networks
California at Santa Cruz, University of
Enhancing the Security of On-demand Routing in Ad Hoc Networks Zhenjiang Li1 and J.J. Garcia, to be truly effective, communication over such networks should be secure. The attacks to an ad hoc network can Springer-Verlag Berlin Heidelberg 2005 #12;Enhancing the Security of On-demand Routing in Ad Hoc Networks
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Texto: Francisco Pujol. Presidente del Grupo de Proteccin del Cielo
Espigares, TÃscar
de luminarias ineficientes, las cuÃ¡les lanzan elevados porcentajes de flujo lumÃnico por encima del plano de la luminaria. Las mÃ¡s ineficientes de todas son los globos o bolas, lu- minarias que constan de
Vocational Rehabilitation -Value Added: Explaining What We Do,
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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 SolStrengthening aTurbulenceUtilize AvailableMedia1.1 The
q-Deformation of the AdS5 x S5 Superstring S-matrix and its Relativistic Limit
Hoare, Ben; Miramontes, J Luis
2011-01-01T23:59:59.000Z
A set of four factorizable non-relativistic S-matrices for a multiplet of fundamental particles are defined based on the R-matrix of the quantum group deformation of the centrally extended superalgebra su(2|2). The S-matrices are a function of two independent couplings g and q=exp(i\\pi/k). The main result is to find the scalar factor, or dressing phase, which ensures that the unitarity and crossing equations are satisfied. For generic (g,k), the S-matrices are branched functions on a product of rapidity tori. In the limit k->infinity, one of them is identified with the S-matrix describing the magnon excitations on the string world sheet in AdS5 x S5, while another is the mirror S-matrix that is needed for the TBA. In the g->infinity limit, the rapidity torus degenerates, the branch points disappear and the S-matrices become meromorphic functions, as required by relativistic S-matrix theory. However, it is only the mirror S-matrix which satisfies the correct relativistic crossing equation. The mirror S-matrix ...
Miskovic, Olivera; Olea, Rodrigo [Instituto de Fisica, Pontificia Universidad Catolica de Valparaiso, Casilla 4059, Valparaiso (Chile) and Max-Planck-Institut fuer Gravitationsphysik, Albert-Einstein-Institut, Am Muehlenberg 1, 14476 Golm (Germany); Instituto de Fisica, Pontificia Universidad Catolica de Valparaiso, Casilla 4059, Valparaiso (Chile)
2011-01-15T23:59:59.000Z
Motivated by possible applications within the framework of anti-de Sitter gravity/conformal field theory correspondence, charged black holes with AdS asymptotics, which are solutions to Einstein-Gauss-Bonnet gravity in D dimensions, and whose electric field is described by nonlinear electrodynamics are studied. For a topological static black hole ansatz, the field equations are exactly solved in terms of the electromagnetic stress tensor for an arbitrary nonlinear electrodynamic Lagrangian in any dimension D and for arbitrary positive values of Gauss-Bonnet coupling. In particular, this procedure reproduces the black hole metric in Born-Infeld and conformally invariant electrodynamics previously found in the literature. Altogether, it extends to D>4 the four-dimensional solution obtained by Soleng in logarithmic electrodynamics, which comes from vacuum polarization effects. Falloff conditions for the electromagnetic field that ensure the finiteness of the electric charge are also discussed. The black hole mass and vacuum energy as conserved quantities associated to an asymptotic timelike Killing vector are computed using a background-independent regularization of the gravitational action based on the addition of counterterms which are a given polynomial in the intrinsic and extrinsic curvatures.
Paraules del rector en la cerimnia
Verschure, Paul
29 de novembre del 2012 #12;Benvolgut Sr. Miquel Barceló, nou doctor per la UPF, Benvolgut professor
Mukherji, Anuradha
2001-01-01T23:59:59.000Z
in three Hindu temples built in the southern state of Tamilnadu in India. These three temple are the Shore temple built at Mahabalipuram by the Pallava dynasty (700 AD); the Brihadeshvara temple built at Tanjore by the Chola dynasty (1010 AD...
J. Naji
2014-04-18T23:59:59.000Z
In this paper, we considered new solutions for four-dimensional asymptotically AdS black holes with scalar hair and discuss about Hawking temperature in the context of dark energy by using the tunneling method. We obtain modification of the Hawking temperature due to presence of the dark energy.
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AdS/Ricci-flat correspondence and the Gregory-Laflamme instability
Marco M. Caldarelli; Joan Camps; Blaise Goutéraux; Kostas Skenderis
2013-03-20T23:59:59.000Z
We show that for every asymptotically AdS solution compactified on a torus there is a corresponding Ricci-flat solution obtained by replacing the torus by a sphere, performing a Weyl rescaling of the metric and appropriately analytically continuing the dimension of the torus/sphere (as in generalized dimensional reduction). In particular, it maps Minkowski spacetime to AdS on a torus, the holographic stress energy tensor of AdS to the stress energy tensor due to a brane localized in the interior of spacetime and AdS black branes to (asymptotically flat) Schwarzschild black branes. Applying it to the known solutions describing the hydrodynamic regime in AdS/CFT, we derive the hydrodynamic stress-tensor of asymptotically flat black branes to second order, which is constrained by the parent conformal symmetry. We compute the dispersion relation of the Gregory-Laflamme unstable modes through cubic order in the wavenumber, finding remarkable agreement with numerical data. In the case of no transverse sphere, AdS black branes are mapped to Rindler spacetime and the second-order transport coefficients of the fluid dual to Rindler spacetime are recovered.
Rafael Molina Bases del filtro de Kalman 1 Bases del filtro de Kalman
Granada, Universidad de
Rafael Molina Bases del filtro de Kalman 1 Bases del filtro de Kalman Rafael Molina Soriano Depto Ciencias de la Computación e IA Universidad de Granada #12;Rafael Molina Bases del filtro de Kalman 2 Contenidos ! Introducción. ! El filtro de Kalman " Modelo del sistema " Modelo de medida " Formulación de la
No-carrier-added (/sup 18/F)-N-methylspiroperidol
Shiue, C.Y.; Fowler, J.S.; Wolf, A.P.
1985-10-04T23:59:59.000Z
The present invention is directed to the synthesis of a radioligand, labeled with a positron emitting radionuclide which is suitable for dynamic studies in humans using positron emission transaxial tomography. No-carrier-added (NCA) (/sup 18/F)-N-methylspiroperiodl is prepared from four different sustrates: p-nitrobenzonitrile, cyclopropyl p-nitrophenyl ketone, p-cyclopropanoyl-N,N,N-trimethylanilinium iodide and p-cyclopropanoyl-N,N,N-trimethylanilinium perchlorate. The process for the production of NCA (/sup 18/F)-N-methylspiroperidol is a nucleophilic aromatic substitution reaction. Furthermore, the compound of this invention is shown to be effective as a new drug of choice for in vivo examination of dopamine binding sites in a human brain. In particular, this drug is primarily useful in the noninvasive technique of positron emission transaxial tomography (PETT).
Nonforward Compton scattering in AdS/CFT correspondence
Jian-Hua Gao; Bo-Wen Xiao
2010-05-20T23:59:59.000Z
We study the nonforward Compton scattering in particular the deeply virtual Compton scattering from AdS/CFT. We first calculate the contributions from the s-channel and u-channel supergravity diagrams as well as the four point interaction diagram which correspond to the Compton scatterings on a dilaton target in CFT. Furthermore, we study the Compton scattering on a dilatino target. Assuming that protons can be identified as supergravity modes of dilatino, we compare the calculated DVCS cross section to the low-energy experimental data from the H1 and ZEUS collaborations and find good agreement. We also discuss the t-channel graviton exchange contribution and show that it should be dominant in the high-energy limit.
ANTIHYDROGEN PRODUCTION AND PRECISION SPECTROSCOPY WITH ATHENA/AD-1
M. HOLZSCHEITER; C. AMSLER; ET AL
2000-11-01T23:59:59.000Z
CPT invariance is a fundamental property of quantum field theories in flat space-time. Principal consequences include the predictions that particles and their antiparticles have equal masses and lifetimes, and equal and opposite electric charges and magnetic moments. It also follows that the fine structure, hyperfine structure, and Lamb shifts of matter and antimatter bound systems should be identical. It is proposed to generate new stringent tests of CPT using precision spectroscopy on antihydrogen atoms. An experiment to produce antihydrogen at rest has been approved for running at the Antiproton Decelerator (AD) at CERN. We describe the fundamental features of this experiment and the experimental approach to the first phase of the program, the formation and identification of low energy antihydrogen.
EVOLUZIONE-WEB -1 -Evoluzione del Web
De Antonellis, Valeria
EVOLUZIONE-WEB - 1 - Evoluzione del Web (fonte prof. Polillo) #12;- 2 - L'evoluzione del web EVOLUZIONE-WEB Â· Dal primo sito Web (1991) il Web Ã¨ in continua crescita, e in continua evoluzione tecnologia, il mercato, i comportamenti delle persone Â· Le fasi della storia del Web: Web 1.0, Web 2.0, il
ECONOMIA, VALORIZZAZIONE, GESTIONE DEL PATRIMONIO TURISTICO
Costagliola, Gennaro
ECONOMIA, VALORIZZAZIONE, GESTIONE DEL PATRIMONIO TURISTICO Giovedì 23 Giugno 2011 Giovedì23 Giugno 2011 ore 09.00 Presentazione del corso di laurea Aula A Facoltà di Economia UNIVERSITA'DEGLI STUDI DI SALERNO #12;Il corso di laurea interateneo, Economia, Valorizzazione, Gestione del Patrimonio Turistico
Relazione del Nucleo di Valutazione di Ateneo
Guidoni, Leonardo
di governo dell'Ateneo e altri attori del sistema di AQ di Ateneo; ANVUR; ecc.) relativamente all di governo dell'Ateneo, altri attori del sistema di AQ di Ateneo; raccolta delle fonti informative di governo dell'Ateneo e altri attori del sistema di AQ di Ateneo; ANVUR; ecc.) relativamente all
Sonde Adjust Value-Added Product Technical Report
Troyan, D
2012-01-09T23:59:59.000Z
The Sonde Adjust (SONDEADJUST) value-added product (VAP) creates a file that includes all fields from original Atmospheric Radiation Measurement Climate Research Facility (ARM Facility) radiosonde files and contains several value-added fields that provide adjustments related to well-known humidity issues. SONDEADJUST produces data that correct documented biases in radiosonde humidity measurements. Previous efforts towards applying some of these corrections are available via the discontinued PI product sgpsondecorr1miloC1. Unique fields contained within this datastream include smoothed original relative humidity, dry bias corrected relative humidity, and final corrected relative humidity. The smoothed RH field refines the relative humidity from integers-the resolution of the instrument-to fractions of a percent. This profile is then used to calculate the dry bias corrected field. The final correction fixes the time-lag problem and uses the dry-bias field as input into the algorithm. In addition to dry bias, solar heating is another correction that is encompassed in the final corrected RH field. Output from SONDEADJUST differs from the previous RH-corrected datastreams in important ways. First, all three types of ARM radiosondes-Vaisala RS-80, RS-90, and RS-92-are corrected using dedicated procedures and/or parameters. Second, the output variables include all of those found in the original radiosonde file: dry bulb temperature, dewpoint temperature, wind speed, wind direction, eastward wind component, northward wind component, wind status (a Vaisala-produced field used in conjunction with the Loran system), ascent rate, and original relative humidity. Additional humidity fields are smoothed relative humidity, dry biased corrected relative humidity, final ambient relative humidity, and scaled adjusted relative humidity. Third, quality control (QC) flags of the fields from the original radiosonde datastream are brought into the SONDEADJUST output file. Additional QC variables are created for the new fields.
Pgina 1 de 4 Planificacin Anticipada de Cuidados Mdicos del
Tipple, Brett
: (_____) ______________________ Celular: (_____) ________________________________ Fecha de nacimiento: __________________________ C. Mi: (_____) _____________________ Celular: (_____) _________________________ Teléfono del trabajo: (_______) ________________________ A. Sin casa: (_____) ______________________ Celular: (______) ________________________ Teléfono del trabajo
Bombara, Daniela
2013-01-01T23:59:59.000Z
costituisce in quegli anni l’asse portante del programmaitaliano che costituisce l’asse portante del romanzo:
Directoras de escenas novohispanas del siglo XVII
Chabaud Magnus, Jaime
1989-10-01T23:59:59.000Z
FALL 1989 111 Directoras de escena novohispanas del siglo XVII* Jaime Chabaud Magnus Contrario al pregón de los lugares comunes, la mujer posee un sitio importante en la historia del teatro mexicano. Dentro del arte dramático colonial la única... figura que conocemos—o más bien mencionamos-hasta la saciedad es Sor Juana Inés de la Cruz. Del siglo XVII en que vivió la autora de Los empeños de una casa, los historiadores dan un salto inconmensurable a la segunda mitad del decimonono, cuando...
q-Deformation of the AdS5 x S5 Superstring S-matrix and its Relativistic Limit
Ben Hoare; Timothy J. Hollowood; J. Luis Miramontes
2011-12-19T23:59:59.000Z
A set of four factorizable non-relativistic S-matrices for a multiplet of fundamental particles are defined based on the R-matrix of the quantum group deformation of the centrally extended superalgebra su(2|2). The S-matrices are a function of two independent couplings g and q=exp(i\\pi/k). The main result is to find the scalar factor, or dressing phase, which ensures that the unitarity and crossing equations are satisfied. For generic (g,k), the S-matrices are branched functions on a product of rapidity tori. In the limit k->infinity, one of them is identified with the S-matrix describing the magnon excitations on the string world sheet in AdS5 x S5, while another is the mirror S-matrix that is needed for the TBA. In the g->infinity limit, the rapidity torus degenerates, the branch points disappear and the S-matrices become meromorphic functions, as required by relativistic S-matrix theory. However, it is only the mirror S-matrix which satisfies the correct relativistic crossing equation. The mirror S-matrix in the relativistic limit is then closely related to that of the semi-symmetric space sine-Gordon theory obtained from the string theory by the Pohlmeyer reduction, but has anti-symmetric rather than symmetric bound states. The interpolating S-matrix realizes at the quantum level the fact that at the classical level the two theories correspond to different limits of a one-parameter family of symplectic structures of the same integrable system.
Scanning Tunneling Macroscopy, Black Holes, and AdS/CFT Bulk Locality
Soo-Jong Rey; Vladimir Rosenhaus
2014-06-02T23:59:59.000Z
We establish resolution bounds on reconstructing a bulk field from boundary data on a timelike hypersurface. If the bulk only supports propagating modes, reconstruction is complete. If the bulk also supports evanescent modes, local reconstruction is not achievable unless one has exponential precision in knowledge of the boundary data. Without exponential precision, for a Minkowski bulk, one can reconstruct a spatially coarse-grained bulk field, but only out to a depth set by the coarse-graining scale. For an asymptotically AdS bulk, reconstruction is limited to a spatial coarse-graining proper distance set by the AdS scale. AdS black holes admit evanescent modes. We study the resolution bound in the large AdS black hole background and provide a dual CFT interpretation. Our results demonstrate that, if there is a black hole of any size in the bulk, then sub-AdS bulk locality is no longer well-encoded in boundary data in terms of local CFT operators. Specifically, in order to probe the bulk on sub-AdS scales using only boundary data in terms of local operators, one must either have such data to exponential precision or make further assumptions about the bulk state.
Can adding oil control domain formation in binary amphiphile bilayers?
M. J. Greenall; C. M. Marques
2014-06-12T23:59:59.000Z
Bilayers formed of two species of amphiphile of different chain lengths may segregate into thinner and thicker domains composed predominantly of the respective species. Using a coarse-grained mean-field model, we investigate how mixing oil with the amphiphiles affects the structure and thickness of the bilayer at and on either side of the boundary between two neighbouring domains. In particular, we find that oil molecules whose chain length is close to that of the shorter amphiphiles segregate to the thicker domain. This smooths the surface of the hydrophobic bilayer core on this side of the boundary, reducing its area and curvature and their associated free-energy penalties. The smoothing effect is weaker for oil molecules that are shorter or longer than this optimum value: short molecules spread evenly through the bilayer, while long molecules swell the thicker domain, increasing the surface area and curvature of the bilayer core in the interfacial region. Our results show that adding an appropriate oil could make the formation of domain boundaries more or less favourable, raising the possibility of controlling the domain size distribution.
Cloud Condensation Nuclei Profile Value-Added Product
McFarlane, S; Sivaraman, C; Ghan, S
2012-10-08T23:59:59.000Z
The cloud condensation nuclei (CCN) concentration at cloud base is the most relevant measure of the aerosol that influences droplet formation in clouds. Since the CCN concentration depends on supersaturation, a more general measure of the CCN concentration is the CCN spectrum (values at multiple supersaturations). The CCN spectrum is now measured at the surface at several fixed ARM sites and by the ARM Mobile Facility (AMF), but is not measured at the cloud base. Rather than rely on expensive aircraft measurements for all studies of aerosol effects on clouds, a way to project CCN measurements at the surface to cloud base is needed. Remote sensing of aerosol extinction provides information about the vertical profile of the aerosol, but cannot be directly related to the CCN concentration because the aerosol extinction is strongly influenced by humidification, particularly near cloud base. Ghan and Collins (2004) and Ghan et al. (2006) propose a method to remove the influence of humidification from the extinction profiles and tie the “dry extinction” retrieval to the surface CCN concentration, thus estimating the CCN profile. This methodology has been implemented as the CCN Profile (CCNPROF) value-added product (VAP).
FRW Solutions and Holography from Uplifted AdS/CFT
Dong, Xi; Horn, Bart; /Stanford U., ITP /Stanford U., Phys. Dept. /SLAC; Matsuura, Shunji; /Santa Barbara, KITP /Stanford U., ITP /Stanford U., Phys. Dept. /SLAC; Silverstein, Eva; Torroba, Gonzalo; /Stanford U., ITP /Stanford U., Phys. Dept. /SLAC
2012-02-15T23:59:59.000Z
Starting from concrete AdS/CFT dual pairs, one can introduce ingredients which produce cosmological solutions, including metastable de Sitter and its decay to non-accelerating FRW. We present simple FRW solutions sourced by magnetic flavor branes and analyze correlation functions and particle and brane dynamics. To obtain a holographic description, we exhibit a time-dependent warped metric on the solution and interpret the resulting redshifted region as a Lorentzian low energy effective field theory in one fewer dimension. At finite times, this theory has a finite cutoff, a propagating lower dimensional graviton and a finite covariant entropy bound, but at late times the lower dimensional Planck mass and entropy go off to infinity in a way that is dominated by contributions from the low energy effective theory. This opens up the possibility of a precise dual at late times. We reproduce the time-dependent growth of the number of degrees of freedom in the system via a count of available microscopic states in the corresponding magnetic brane construction.
Adding Priorities to Total Order Broadcast Protocols Emili Miedes, Francesc D. Mu~noz-Escoi
Muñoz, Francesc
Adding Priorities to Total Order Broadcast Protocols Emili Miedes, Francesc D. Mu~noz-Esco,fmunyoz}@iti.upv.es Technical Report TR-ITI-ITE-07/23 (supersedes TR-ITI-ITE-07/07) E.Miedes,F.D.Mu~noz-Esco´i:AddingPrioritiestoTotalOrderBroadcastProtocolsTR-ITI-ITE-07/23( #12;#12;Adding Priorities to Total Order Broadcast Protocols Emili Miedes, Francesc D. Mu~noz-Esco
Light-Front Quantization and AdS/QCD: An Overview
de Teramond, Guy F.; /Costa Rica U.; Brodsky, Stanley J.; /SLAC /Stanford U., Phys. Dept.
2011-08-19T23:59:59.000Z
We give an overview of the light-front holographic approach to strongly coupled QCD, whereby a confining gauge theory, quantized on the light front, is mapped to a higher-dimensional anti de Sitter (AdS) space. The framework is guided by the AdS/CFT correspondence incorporating a gravitational background asymptotic to AdS space which encodes the salient properties of QCD, such as the ultraviolet conformal limit at the AdS boundary at z {yields} 0, as well as modifications of the geometry in the large z infrared region to describe confinement and linear Regge behavior. There are two equivalent procedures for deriving the AdS/QCD equations of motion: one can start from the Hamiltonian equation of motion in physical space time by studying the off-shell dynamics of the bound state wavefunctions as a function of the invariant mass of the constituents. To a first semiclassical approximation, where quantum loops and quark masses are not included, this leads to a light-front Hamiltonian equation which describes the bound state dynamics of light hadrons in terms of an invariant impact variable {zeta} which measures the separation of the partons within the hadron at equal light-front time. Alternatively, one can start from the gravity side by studying the propagation of hadronic modes in a fixed effective gravitational background. Both approaches are equivalent in the semiclassical approximation. This allows us to identify the holographic variable z in AdS space with the impact variable {zeta}. Light-front holography thus allows a precise mapping of transition amplitudes from AdS to physical space-time. The internal structure of hadrons is explicitly introduced and the angular momentum of the constituents plays a key role.
Top Value Added Chemicals from Biomass: Volume I--Results of...
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Volume I--Results of Screening for Potential Candidates from Sugars and Synthesis Gas Top Value Added Chemicals from Biomass: Volume I--Results of Screening for Potential...
IS THE SUPERNOVA OF A.D. 185 RECORDED IN ANCIENT ROMAN LITERATURE?
Fridlind, Ann
or a supernova, although Tycho Brahe, Pingre, and Lynn favored the planet Venus. The Chinese Chin shu (A.D. 635
ad-hoc wireless environments: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
the state-ofthe -art of the ad hoc networking technology in four areas: routing, medium access control, multicasting, and security. Where possible, comparison between the...
Data:909cb0ad-9159-40ad-a117-2d7740c2d61e | Open Energy Information
Energy Market Adjustment 0.003KWH (Added to All Above Energy Rates) Controlled Water Heater Credit .00736KWH Applies to the first 1,000 KWHs each month (October-March)...
Conserved charges in timelike Warped-AdS$_3$ spaces
Donnay, L; Giribet, G; Goya, A; Lavia, E
2015-01-01T23:59:59.000Z
We consider the timelike version of Warped Anti-de Sitter space (WAdS), which corresponds to the three-dimensional section of the G\\"{o}del solution of four-dimensional cosmological Einstein equations. This geometry presents closed timelike curves (CTCs), which are inherited from its four-dimensional embedding. In three dimensions, this type of solutions can be supported without matter provided the graviton acquires mass. Here, among the different ways to consistenly give mass to the graviton in three dimensions, we consider the parity-even model known as New Massive Gravity (NMG). In the bulk of timelike WAdS$_{3}$ space, we introduce defects that, from the three-dimensional point of view, represent spinning massive particle-like objects. For this type of sources, we investigate the definition of quasi-local gravitational energy as seen from infinity, far beyond the region where the CTCs appear. We also consider the covariant formalism applied to NMG to compute the mass and the angular momentum of spinning p...
Cadoni, Mariano; Serra, Matteo; Mignemi, Salvatore [Dipartimento di Fisica, Universita di Cagliari and INFN, Sezione di Cagliari - Cittadella Universitaria, 09042 Monserrato (Italy); Dipartimento di Matematica, Universita di Cagliari and INFN, Sezione di Cagliari - viale Merello 92, 09123 Cagliari (Italy)
2011-10-15T23:59:59.000Z
We propose a general method for solving exactly the static field equations of Einstein and Einstein-Maxwell gravity minimally coupled to a scalar field. Our method starts from an ansatz for the scalar field profile, and determines, together with the metric functions, the corresponding form of the scalar self-interaction potential. Using this method we prove a new no-hair theorem about the existence of hairy black-hole and black-brane solutions and derive broad classes of static solutions with radial symmetry of the theory, which may play an important role in applications of the AdS/CFT correspondence to condensed matter and strongly coupled QFTs. These solutions include: (1) four- or generic (d+2)-dimensional solutions with planar, spherical or hyperbolic horizon topology; (2) solutions with anti-de Sitter, domain wall and Lifshitz asymptotics; (3) solutions interpolating between an anti-de Sitter spacetime in the asymptotic region and a domain wall or conformal Lifshitz spacetime in the near-horizon region.
Evaluación del impacto | Open Energy Information
Evaluacin del impacto Jump to: navigation, search Long-range Energy Alternatives Planning System (LEAP) LEAP es un modelo de energa que puede ser utilizado para hacer un...
Manual de montaje del Telescopio Solar
tornillo de la parte superior aproximadamente hacia el Norte. Fijar bien las patas del trípode. Asegurarse de alinear el conjunto en dirección Norte. #12
Modelo Hidrulico Operacional del Oeste de Puerto Rico
Gilbes, Fernando
Modelo HidrÃ¡ulico Operacional del Oeste de Puerto Rico Modelo HidrÃ¡ulico Operacional del Oeste de Puerto Rico IntroducciÃ³n El Instituto de Investigaciones Sobre Recursos de Agua y el Ambiente de Puerto del Modelo HidrÃ¡ulico Operacional del Sistema de DistribuciÃ³n de Agua del Oeste de Puerto Rico. El
rgano informativo del Colegio de Ciencias y Humanidades Suplemento especial
Islas, León
Número 3 9 de mayo de 2011 Órgano informativo del Colegio de Ciencias y Humanidades SuplementoCCHSuplementoespecialnúmero3,9demayode20114 La Dirección General del Colegio de Ciencias y Humanidades, a través del elementos básicos del método epidemi- ológico para su aplicación en curso de Ciencias de la Salud, del nivel
How Do Patents Shape Global Value Chains? International and Domestic Patenting and Value-Added Trade
Sekhon, Jasjeet S.
-Added Trade October 2014 Preliminary Draft Please do not cite Nikolas J. Zolas, Center for Economic Studies that links patents to industry and trade classifications to characterize how patents affect the structure of value-added trade, we test how domestic and international (bilateral) patenting specifically related
A Series of Tubes: Adding Interactivity to 3D Prints Using Internal Pipes
Zakhor, Avideh
A Series of Tubes: Adding Interactivity to 3D Prints Using Internal Pipes Valkyrie Savage valkyrie flexibility and potential. Author Keywords Fabrication; 3D Printing; Interactive Objects; Design Tools ACM. Recently, human-computer interaction researchers have be- gun to explore adding interaction to 3D printed
Constructing Minimum-Energy Broadcast Trees In Wireless Ad Hoc Networks
Liang, Weifa
algorithm, power awareness, ad hoc networks, energy consumption optimization, broad- cast and multicastConstructing Minimum-Energy Broadcast Trees In Wireless Ad Hoc Networks Weifa Liang Department related to power consump- tion in this kind of network. One is the minimum-energy broadcast tree problem
Reliable and Energy-Efficient Routing for Static Wireless Ad Hoc Networks with Unreliable Links
Wang, Yu
Reliable and Energy-Efficient Routing for Static Wireless Ad Hoc Networks with Unreliable Links, Yanwei Wu, Student Member, IEEE, and Yong Qi, Member, IEEE Abstract--Energy efficient routing and power. In this paper, we address the problem of energy efficient reliable routing for wireless ad hoc networks
Low-Cost Truthful Multicast in Selfish and Rational Wireless Ad Hoc Networks
Li, Xiang-Yang
en- joy a more flexible composition. A wireless ad hoc network is a collection of radio devices limited transmission power. One of the dis- tinctive features of wireless networks is that the signal sent1 Low-Cost Truthful Multicast in Selfish and Rational Wireless Ad Hoc Networks Weizhao Wang Xiang
A Cross-Layer Framework for Exploiting Virtual MISO Links in Mobile Ad Hoc Networks
Krishnamurthy, Srikanth
A Cross-Layer Framework for Exploiting Virtual MISO Links in Mobile Ad Hoc Networks Gentian requiring the deployment of physical antenna arrays. Virtual MISO entails the simultaneous transmission. We present a novel multilayer approach for exploiting virtual MISO links in ad hoc networks
Adding STARFire Analysis Layers to Google Earth through a KML Network Link 1) Launch Google Earth
Adding STARFire Analysis Layers to Google Earth through a KML Network Link 1) Launch Google Earth 2) The network link will be added in the Places control within Google Earth. Select the node level in the tree layers for viewing within Google Earth. Double clicking on a layer will zoom you to the extent
A Token Ring Protocol for Dynamic Ad-hoc Wireless Environments
Top, P; Kohlhepp, V; Dowla, F
2005-09-30T23:59:59.000Z
A wireless ad-hoc networking protocol is presented. The protocol is designed to be flexible, easy to use and adaptable to a wide variety of potential applications. The primary considerations in design are small code size, guaranteed bandwidth access, limited delay, and error resilience in a highly dynamic ad-hoc environment. These considerations are achieved through the use of token ring protocol.
DELAR: Device/Energy/Load Aware Relaying in Heterogenous Wireless Ad Hoc Networks
Zhang, Yanchao
- newable energy sources. In DELAR the heterogeneity of nodal energy capabilities or device types, nodalDELAR: Device/Energy/Load Aware Relaying in Heterogenous Wireless Ad Hoc Networks Wei Liu Energy conservation is of great importance for mobile ad hoc networks in which most nodes are equipped
Energy-ef cient Cache Replacement Policies for Cooperative Caching in Mobile Ad Hoc Network
Chan, Edward
Energy-ef cient Cache Replacement Policies for Cooperative Caching in Mobile Ad Hoc Network dynamically. Most existing cache strategies perform replacement independently, and they seldom consider coordinated replacement and energy saving issues in the context of a mobile ad hoc network. In this paper, we
Energy Efficient Adaptation of Multicast Protocols in Power Controlled Wireless Ad Hoc Networks
Prasanna, Viktor K.
on energy efficiency in ad hoc networks. In this paper, we assume a more practical model for power controlEnergy Efficient Adaptation of Multicast Protocols in Power Controlled Wireless Ad Hoc Networks to power controlled networks is presented. Wireless nodes are assumed to have transmis- sion power control
Joint Routing and Server Selection for Multiple Description Video Streaming in Ad Hoc Networks
Hou, Y. Thomas
Joint Routing and Server Selection for Multiple Description Video Streaming in Ad Hoc Networks ad hoc networks. In this paper, we study the important problem of joint routing and server selection by the proposed approach over existing server selection schemes. This justifies the importance of jointly
Cross-Layer Design for Energy-Efficient Secure Multicast Communications in Ad Hoc Networks
Poovendran, Radha
Cross-Layer Design for Energy-Efficient Secure Multicast Communications in Ad Hoc Networks Loukas, University of Washington, Seattle, WA Abstract-- We consider the problem of secure multicast in an energy network operation in an wireless ad hoc environment. Energy is a physical layer parameter, while security
ADHOC MAC: a new, flexible and reliable MAC architecture for ad-hoc networks
Borgonovo, Flaminio
ADHOC MAC: a new, flexible and reliable MAC architecture for ad-hoc networks F. Borgonovo, A, make the design of a prompt, efficient, flexible, and reliable MAC very difficult. An ad hoc network.e., transmissions that reach all terminals within the range allowed by the transmitting power. Due to radio range
LE MATERIE PRIME RINNOVABILI E LA TRANSIZIONE DA ECONOMIA DI PRODOTTO AD ECONOMIA DI SISTEMA
Genova, Università degli Studi di
LE MATERIE PRIME RINNOVABILI E LA TRANSIZIONE DA ECONOMIA DI PRODOTTO AD ECONOMIA DI SISTEMA Per aumentando la qualità della vita dei suoi abitanti. Si tratta di favorire la transizione da un'economia di prodotto ad una economia di sistema, un salto culturale verso una sostenibilità economica ed ambientale che
PCQoS: Power Controlled QoS in Wireless Ad Hoc Networks
Gomez-Castellanos, Javier
Department of Electrical Engineering National University of Mexico, D.F., 04510 Email: {javierg@cs.dartmouth.edu Abstract--Mobile Ad hoc networks typically use a common transmission power approach for the discoveryS differentiation to applications in wireless ad hoc networks. I. INTRODUCTION The impact of transmission power
Design techniques for low noise and high speed A/D converters
Gupta, Amit Kumar
2009-05-15T23:59:59.000Z
. The resolution and sampling rate of an A/D converter vary depending on the application. Recently, there has been a growing demand for broadband (>1 MHz), high-resolution (>14bits) A/D converters. Applications that demand such converters include asymmetric digital...
On the Connectivity in One-Dimensional Ad Hoc Wireless Networks with a Forbidden Zone
On the Connectivity in One-Dimensional Ad Hoc Wireless Networks with a Forbidden Zone Xiaodong Hu1 This paper investigates the connectivity in one-dimensional ad hoc wireless networks with a forbidden zone. We derive the probability of the wireless networks which are composed of exactly m clusters by means
An On-demand Minimum Energy Routing Protocol for a Wireless Ad Hoc Network
An On-demand Minimum Energy Routing Protocol for a Wireless Ad Hoc Network Sheetalkumar Doshi of an on-demand minimum energy routing protocol and suggests mechanisms for their imple- mentation. We of an on-demand minimum energy routing protocol in terms of energy savings with an existing on-demand ad
Regional tree growth and inferred summer climate in the Winnipeg River basin, Canada, since AD 1783
Evans, Michael N.
changes in summer climate within the Winnipeg River basin, Canada, since AD 1783. The basin drains parts the center of their range usually exhibit a more complex relationship with climate (Hughes, 2002Regional tree growth and inferred summer climate in the Winnipeg River basin, Canada, since AD 1783
1 ADS1210, 1211 24-Bit ANALOG-TO-DIGITAL CONVERTER
Hochmuth, Olaff
of 23 bits is achieved through the use of a very low-noise input amplifier at conversion rates up to 10 by provid- ing a low-noise programmable gain amplifier with a gain range of 1 to 16 in binary steps. The ADS1210 and ADS1211 are designed for high resolution measurement applications in smart trans- mitters
Experimental Comparison of Algorithms for Energy-Efficient Multicasting in Ad Hoc
Caragiannis, Ioannis
Experimental Comparison of Algorithms for Energy-Efficient Multicasting in Ad Hoc Networks Stavros Technology Institute and Dept. of Computer Engineering and Informatics University of Patras, 26500 Rio, Greece Abstract. Energy is a scarce resource in ad hoc wireless networks and it is of paramount
Fully Distributed Trust Model based on Trust Graph for Mobile Ad hoc Networks
Paris-Sud XI, Université de
University of Technology, France. bouabdal@hds.utc.fr Abstract A mobile ad hoc network (MANET) is a wireless pre-existing in- frastructure; all networking operations (routing, mobility management, and so onFully Distributed Trust Model based on Trust Graph for Mobile Ad hoc Networks Mawloud Omar, Yacine
The Quest for Security in Mobile Ad Hoc Networks \\Lambda JeanPierre Hubaux
Bencsáth, Boldizsár
network to work without any external management or configuration. Although not all mobile ad hoc networksThe Quest for Security in Mobile Ad Hoc Networks \\Lambda JeanPierre Hubaux Institute for Computer Communications and Applications Swiss Federal Institute of Technology -- Lausanne CH1015, Switzerland Jean
The Quest for Security in Mobile Ad Hoc Networks Jean-Pierre Hubaux
Capkun, Srdjan
management or con guration. Although not all mobile ad hoc networks are self-organized, this propertyThe Quest for Security in Mobile Ad Hoc Networks Jean-Pierre Hubaux Institute for Computer Communications and Applications Swiss Federal Institute of Technology Lausanne CH-1015, Switzerland Jean
High resolution A/D conversion based on piecewise conversion at lower resolution
Terwilliger, Steve (Albuquerque, NM)
2012-06-05T23:59:59.000Z
Piecewise conversion of an analog input signal is performed utilizing a plurality of relatively lower bit resolution A/D conversions. The results of this piecewise conversion are interpreted to achieve a relatively higher bit resolution A/D conversion without sampling frequency penalty.
Report of the Ad Hoc Committee on Washington Natural Resource Agency Reform
Borenstein, Elhanan
Report of the Ad Hoc Committee on Washington Natural Resource Agency Reform February 16, 2010 of the Environment (CoEnv) to make useful contributions to the Governor's natural resource agency reform initiative. As a result, the Washington Natural Resource Agency Reform ad hoc Committee was established and given
Hop-Reservation Multiple Access (HRMA) for Ad-Hoc Networks
California at Santa Cruz, University of
Hop-Reservation Multiple Access (HRMA) for Ad-Hoc Networks Zhenyu Tang and J. J. Garcia (HRMA) for wireless ad-hoc networks (multi-hop packet radio networks) is introduced, specified and analyzed. HRMA is based on simple half-duplex, very-slow frequency-hopping spread spectrum (FHSS) radios
HopReservation Multiple Access (HRMA) for AdHoc Networks \\Lambda
California at Santa Cruz, University of
HopReservation Multiple Access (HRMA) for AdHoc Networks \\Lambda Zhenyu Tang and J. J. Garcia (HRMA) for wireless adhoc networks (multihop packet radio networks) is introduced, specified and analyzed. HRMA is based on simple halfduplex, veryslow frequencyhopping spread spectrum (FHSS) radios
Design techniques for low noise and high speed A/D converters
Gupta, Amit Kumar
2009-05-15T23:59:59.000Z
. The resolution and sampling rate of an A/D converter vary depending on the application. Recently, there has been a growing demand for broadband (>1 MHz), high-resolution (>14bits) A/D converters. Applications that demand such converters include asymmetric digital...
Energy-Efficient Reliable Routing Considering Residual Energy in Wireless Ad Hoc Networks
Langendoen, Koen
Energy-Efficient Reliable Routing Considering Residual Energy in Wireless Ad Hoc Networks Javad minimum energy routing (RMER). RMECR addresses three important requirements of ad hoc networks: energy-efficiency energy of nodes as well as quality of links to find energy-efficient and reliable routes that increase
MobiSN: Semantics-based Mobile Ad Hoc Social Network Framework
Li, Juan "Jen"
MobiSN: Semantics-based Mobile Ad Hoc Social Network Framework Juan Li Department of Computer.khan@ndsu.edu Abstract--Mobile ad hoc social networks are self-configuring social networks that connect users using mobile devices, such as laptops, PDAs, and cellular phones. These social networks facilitate users
Degree Distribution and Hopcount in Wireless Ad-hoc Networks R. Hekmat, P. Van Mieghem
Van Mieghem, Piet
Degree Distribution and Hopcount in Wireless Ad-hoc Networks R. Hekmat, P. Van Mieghem Delft focus in this article is on the degree distribution and hopcount in these networks. The results that the degree distribution in wireless ad-hoc networks is binomial for low values of the mean degree. Further
Progressive Network Coding for Message-Forwarding in Ad-Hoc Wireless Networks
Chen, Yuanzhu Peter
. This paper considers the multi-hop transmission prob- lem in wireless ad-hoc networks. In a three-node sce of multi- hop transmission. The new framework, exploiting the technology of progressive network codingProgressive Network Coding for Message-Forwarding in Ad-Hoc Wireless Networks Xingkai Bao and Jing
Paris-Sud XI, Université de
for petrologic sulfur estimates Fidel Costa1 and Bruno Scaillet Institut des Sciences de la Terre d'Orle´ans, UMR petrological, analytical, and thermodyna- mical data to constrain the sulfur yield of the AD 1600 Huaynaputina loading of the AD 1600 Huaynaputina eruption and implications for petrologic sulfur estimates, Geophys
A Special-Purpose Peer-to-Peer File Sharing System for Mobile Ad Hoc Networks
Lindemann, Christoph
application scenarios include sharing traffic and weather data by car-to-car communication in a wideA Special-Purpose Peer-to-Peer File Sharing System for Mobile Ad Hoc Networks Alexander Klemm-to-peer (P2P) file sharing for mobile ad hoc networks (MANET) requires the construction of a search algorithm
The secret symmetries of the AdS/CFT reflection matrices
Vidas Regelskis
2011-08-27T23:59:59.000Z
We find new twisted Yangian symmetries of the AdS/CFT reflection matrices for the Y=0 maximal giant graviton and D5-brane. These new symmetries originate from the known secret symmetries of the Yangian symmetry of the AdS/CFT S-matrix.
Inducing Spatial Clustering in MAC Contention for Spread Spectrum Ad Hoc Networks
de Veciana, Gustavo
. Our premise is that such networks are well suited to meet quality of service and energy efficiency promise towards achieving high spatial reuse, QoS, and energy efficiency in spread spectrum ad hoc goals. At least two other objectives are critical in some ad hoc network applications: energy efficiency
On the Effectiveness of Monitoring for Intrusion Detection in Mobile Ad Hoc Networks
Chen, Ing-Ray
to that of the experimental testbed. Simulations of larger (50-node) ad hoc networks indicate that monitoring-based intrusion evaluations of IDTs are based on small testbed configura- tions, or simulations which do not incorporate any on monitoring- based intrusion detection for ad hoc networks. Experimental results show that, even for a simple
Securing Ad Hoc Wireless Networks Against Data Injection Attacks Using Firewalls
Kasera, Sneha Kumar
Securing Ad Hoc Wireless Networks Against Data Injection Attacks Using Firewalls Jun Cheol Park-- We propose to secure ad hoc networks against data injection attacks by placing firewall functionality] simulations. Our results show that our algorithm can find near-optimal solutions. Based on a simple analysis
Fuzzy Trust Recommendation Based on Collaborative Filtering for Mobile Ad-hoc Networks
Zhang, Yi
Fuzzy Trust Recommendation Based on Collaborative Filtering for Mobile Ad-hoc Networks Junhai Luo1--Mobile ad-hoc networks (MANETs) are based on the cooperative and trust characteristic of the mobile nodes focused on building up trust among distributed network nodes to simulate cooperation and improving
A Trust-based Architecture for Managing Certificates in Vehicular Ad hoc Networks
Paris-Sud XI, Université de
propose a secure and distributed public key infrastructure for vehicular ad hoc networks VANETs basedA Trust-based Architecture for Managing Certificates in Vehicular Ad hoc Networks Tahani Gazdar authority CA. We conducted a set of simulations in which we evaluate the efficiency and the stability
Preventing Wormhole Attacks on Wireless Ad Hoc Networks: A Graph Theoretic Approach
Lazos, Loukas
then propose a Local Broad- cast Key (LBK) based method to secure an ad hoc network from wormhole attacks simulation results to illustrate our theory. Index Terms-- wormhole, security, vulnerability, ad hoc net a decentralized realization for LBK establishment, and provide an analytical evaluation of the security level
per a la Qualitat del Sistema Universitari
Geffner, Hector
y Empresariales de la Euskal Herriko Unibertsitatea, que participa en calidad de miembro académico y actualidad es miembro, en calidad de experta del Consejo Económico y Social de la CAPV. Sr. Joan Maria Solà Franquesa , que participa en calidad de miembro profesional del Comité, es licenciado en Ciencias Económicas
3. GOBERNANZA DEL PROYECTO 1. Introduccin
Geffner, Hector
3. GOBERNANZA DEL PROYECTO 1. Introducción En octubre de 2010, el proyecto CEI UPF - Icària, liderado por la Universidad Pompeu Fabra (UPF), fue distinguido como Campus de Excelencia Internacional. El Dirección operativa. Gráfico I. Modelo de gobernanza del CEI UPF Icària Fuente: proyecto CEI UPF - Icària
al inicio del: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
Acerca del estilo de pensamiento en los inicios de la Historia de la Ciencia en la Argentina Physics Websites Summary: 1 T-tulo del Trabajo: Acerca del estilo de pensamiento...
Vicente de Zaldívar Memorial sobre el descubrimiento del Nuevo Mexico
De Marco, Barbara; Craddock, Jerry R
2014-01-01T23:59:59.000Z
vols. Albuquerque: Univ. of New Mexico Press, 1953. Pacheco,descubrimiento del Nuevo Mexico [fol. 579r] a ~ Vizente dedel descubrimiento del Nuevo Mexico, por si y en nombre del
administrativa del espacio: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
Y FUNCIONES DE LAS AREAS ACADEMICO ADMINISTRATIVAS. 2.1. Jefatura del Decanato. 2 INVESTIGACION Y DESARROLLO ORGANIGRAMA ESTRUCTURAL JEFATURA DEL DECANATO SECRETARIA...
aguas subterraneas del: Topics by E-print Network
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Luis** * CSIC e Instituto del Agua de la Universidad de Granada Castillo, Antonio 3 CIENCIA, TECNOLOGA, POLTICA Y PLANIFICACIN DEL AGUA Y DE Engineering Websites Summary: de...
aguas del estero: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
Luis** * CSIC e Instituto del Agua de la Universidad de Granada Castillo, Antonio 3 CIENCIA, TECNOLOGA, POLTICA Y PLANIFICACIN DEL AGUA Y DE Engineering Websites Summary: de...
aguas del parque: Topics by E-print Network
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Luis** * CSIC e Instituto del Agua de la Universidad de Granada Castillo, Antonio 4 CIENCIA, TECNOLOGA, POLTICA Y PLANIFICACIN DEL AGUA Y DE Engineering Websites Summary: de...
actividad del agua: Topics by E-print Network
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Luis** * CSIC e Instituto del Agua de la Universidad de Granada Castillo, Antonio 3 CIENCIA, TECNOLOGA, POLTICA Y PLANIFICACIN DEL AGUA Y DE Engineering Websites Summary: de...
agua potable del: Topics by E-print Network
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Luis** * CSIC e Instituto del Agua de la Universidad de Granada Castillo, Antonio 5 CIENCIA, TECNOLOGA, POLTICA Y PLANIFICACIN DEL AGUA Y DE Engineering Websites Summary: de...
La lunga notte del cinema italiano: fascisti ed esquimesi
Villa, Cristina
2007-01-01T23:59:59.000Z
lettiva del amministrata dal governo italiano, che da quellae con loro molti nuovo governo il democristiano appoggia aidovuto al tentativo di un governo capo del governo Fer- il
ambiental del centro: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
(Friends of the Clinical Center) Escuela infantil de Bandettini, Peter A. 2 EVALUACIN DEL IMPACTO AMBIENTAL Environmental Sciences and Ecology Websites Summary: EVALUACI?N DEL...
aciaga vida del: Topics by E-print Network
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(2003), que durante la ltima dcada se han Carrascal, Luis M. 3 EVALUACIN DEL IMPACTO AMBIENTAL Environmental Sciences and Ecology Websites Summary: EVALUACI?N DEL...
aplicabilidad del metodo: Topics by E-print Network
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DE KRYLOV PARA LA DISCRETIZACION DEL PROBLEMA STOKES Mathematics Websites Summary: Venezuela, Caracas-Venezuela. Resumen: En la simulacion del flujo de un fluido...
aplicacion del metodo: Topics by E-print Network
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DE KRYLOV PARA LA DISCRETIZACION DEL PROBLEMA STOKES Mathematics Websites Summary: Venezuela, Caracas-Venezuela. Resumen: En la simulacion del flujo de un fluido...
autoaprendizaje del metodo: Topics by E-print Network
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DE KRYLOV PARA LA DISCRETIZACION DEL PROBLEMA STOKES Mathematics Websites Summary: Venezuela, Caracas-Venezuela. Resumen: En la simulacion del flujo de un fluido...
The SU(1|2) and SU(2|2) Sectors from Superstrings in AdS5 x S5
Shijong Ryang
2006-04-03T23:59:59.000Z
For the \\kappa-symmetry gauge fixed superstring action in AdS_5 x S^5 we consider the fermionic fluctuations over a circular bosonic string background with two angular momenta and two winding numbers in S^5. The SU(2)-type redefinitions of fermionic fields and the first-string limit generate a truncated fermionic action for the SU(1|2) sector. It is expressed in a two-dimensional Lorentz-invariant form of a massive Dirac fermion and the plane-wave spectrum for the fermionic excitations is derived. The fermionic spectrum for the SU(2|2) sector is also analyzed.
The Blackbody Radiation Laws in the $ \\textrm{AdS}_5 \\times {\\cal S}^5 $ Spacetime
Ramaton Ramos; Henrique Boschi Filho
2014-09-25T23:59:59.000Z
In the footsteps of our previous work \\cite{RamatonBoschi} we generalize the Stefan-Boltzmann and Wien's displacement laws for the $ \\textrm{AdS}_5 \\times {\\cal S}^5 $ spacetime, the background of the AdS/CFT correspondence foremost realization. Our results take into account the $ \\textrm{AdS}_5 \\times {\\cal S}^5 $ full dimensionality in the electromagnetic field $A^{\\mu}$ wave equation, which yields the higher-dimensional blackbody characteristic features suggested in literature. In particular, the total radiated power and the spectral radiancy match the original Stefan-Boltzmann and Wien's displacement laws in the low-energy regime up to available experimental data.
AUDITORA SOCIAL EN EMPRESA BRASILEA TRANSNACIONAL DEL SECTOR PECUARIO QUE ACTA
Paris-Sud XI, Université de
aumento del calentamiento global. Brasil, posee el mayor rebaño comercial del mundo, la crianza de ganado
Hu, Xiaojie
2008-01-01T23:59:59.000Z
This research analyzes the problem of technology transition in the national air transportation system, focusing on the implementation of Automatic Dependent Surveillance-Broadcast (ADS-B). ADS-B is a key technology in the ...
Service Provision in Disconnected Mobile Ad hoc Networks Nicolas Le Sommer
Paris-Sud XI, Université de
Service Provision in Disconnected Mobile Ad hoc Networks Nicolas Le Sommer Valoria Laboratory, University of South Brittany Nicolas.Le-Sommer@univ-ubs.fr Abstract With the proliferation of mobiles devices
Autonomous Undersea Systems Network (AUSNet) Protocols To Support Ad-Hoc AUV Communications
semi-autonomous networked robots. Emerging flexible low bandwidth, energy efficient architectures opposed to network support) data transmissions. Current efforts are focused on transitionAutonomous Undersea Systems Network (AUSNet) Protocols To Support Ad-Hoc AUV Communications
Online Policies for Opportunistic Virtual MISO Routing in Wireless Ad Hoc Networks
Rossi, Michele
Online Policies for Opportunistic Virtual MISO Routing in Wireless Ad Hoc Networks Cristiano in virtual multiple input single output (MISO) trans- missions and space-time block codes have been proposed
Zero-Crossing-Based Ultra-Low-Power A/D Converters
Lee, Hae-Seung
Since the first demonstration of a comparator-based switched-capacitor circuit, analog-to-digital (A/D) converters based on virtual ground detection have made steady and significant progress. Comparators have been replaced ...
The S-Matrix of AdS/CFT and Yangian Symmetry
Niklas Beisert
2008-03-27T23:59:59.000Z
We review the algebraic construction of the S-matrix of AdS/CFT. We also present its symmetry algebra which turns out to be a Yangian of the centrally extended su(2|2) superalgebra.
AdWords and Generalized On-line Matching Aranyak Mehta
Vazirani, Umesh
AdWords and Generalized On-line Matching Aranyak Mehta Amin Saberi Umesh Vazirani Vijay Vazirani University, saberi@stanford.edu. Supported by NSF Career Award and a gift from Google. Computer Science Dept
Mojahedi, Mohammad
Smithsonian/NASA ADS Physics/Geophysics Abstract Service · Find Similar Abstracts (with default | Query Form | Preferences | HELP | FAQ Physics/Geophysics arXiv e-prints Send Query Reset #12;
An energy-efficient communication system for ad hoc wireless and sensor networks
Tetteh, William Nii Adjetey
2007-01-01T23:59:59.000Z
Existing ad hoc wireless and sensor network systems often trade off energy against performance. As such, it is hard to find a single deployable system that supports high data rates while maintaining energy-efficient ...
Zafoune, Youcef; kanawati, Rushed; 10.5121/ijcnc.2010.2213
2010-01-01T23:59:59.000Z
This paper presents a new approach in the management of mobile ad hoc networks. Our alternative, based on mobile agent technology, allows the design of mobile centralized server in ad hoc network, where it is not obvious to think about a centralized management, due to the absence of any administration or fixed infrastructure in these networks. The aim of this centralized approach is to provide permanent availability of services in ad hoc networks which are characterized by a distributed management. In order to evaluate the performance of the proposed approach, we apply it to solve the problem of mobile code localization in ad hoc networks. A comparative study, based upon a simulation, of centralized and distributed localization protocols in terms of messages number exchanged and response time shows that the centralized approach in a distributed form is more interesting than a totally centralized approach.
Click Efficiency: A Unified Optimal Ranking for Online Ads and Documents
Balakrishnan, Raju
2011-01-01T23:59:59.000Z
Traditionally the probabilistic ranking principle is used to rank the search results while the ranking based on expected profits is used for paid placement of ads. These rankings try to maximize the expected utilities based on the user click models. Recent empirical analysis on search engine logs suggests a unified click models for both ranked ads and search results. The segregated view of document and ad rankings does not consider this commonality. Further, the used models consider parameters of (i) probability of the user abandoning browsing results (ii) perceived relevance of result snippets. But how to consider them for improved ranking is unknown currently. In this paper, we propose a generalized ranking function---namely "Click Efficiency (CE)"---for documents and ads based on empirically proven user click models. The ranking considers parameters (i) and (ii) above, optimal and has the same time complexity as sorting. To exploit its generality, we examine the reduced forms of CE ranking under different ...
Energy-Efficient Distributed Constructions of Minimum Spanning Tree for Wireless Ad-hoc
Khan, Maleq
1 Energy-Efficient Distributed Constructions of Minimum Spanning Tree for Wireless Ad-hoc Networks of a class of simple and local algorithms called Nearest Neighbor Tree (NNT) algorithms for energy-efficient
Quality of Service (QoS) security in mobile ad hoc networks
Lu, Bin
2006-10-30T23:59:59.000Z
With the rapid proliferation of wireless networks and mobile computing applications, Quality of Service (QoS) for mobile ad hoc networks (MANETs) has received increased attention. Security is a critical aspect of QoS provisioning in the MANET...
Nuclear physics in soft-wall AdS/QCD: deuteron electromagnetic form factors
Gutsche, Thomas; Schmidt, Ivan; Vega, Alfredo
2015-01-01T23:59:59.000Z
We present a calculation of the deuteron electromagnetic form factors in a soft-wall AdS/QCD approach. The power scaling of the deuteron form factors is consistent with quark counting rules.
Online.Academy.edu/BuildingInfo Ads by Google August 1, 2010
Online.Academy.edu/BuildingInfo Ads by Google August 1, 2010 The best in green design By Relaxnews California Academy of Sciences (San Francisco USA) Renzo Piano Building workshop 2008 9 Votes Genzyme Center
ad-hoc vehicular network: Topics by E-print Network
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
12 13 14 15 16 17 18 19 20 21 22 23 24 25 Next Page Last Page Topic Index 1 Information Sharing in Vehicular Ad Hoc Networks. Open Access Theses and Dissertations Summary: ??The...
Realization of Holographic Entaglement Temperature for a Nearly-AdS boundary
Momeni, D; Gholizade, H; Myrzakulov, R
2015-01-01T23:59:59.000Z
Computation from the holographic entanglement entropy proposal of Ryu-Takayanagi shows that thermal near boundary region in $AdS_3$ has a maximum of the temperature. The absolute maxima of temperature is $T^{Max}_{E}= \\frac{4G_3 \\epsilon_{\\infty}}{l}$. By simple physical investigations it has become possible to predict a phase transition of first order at critical temperature $T_c\\leq T_{E}$ . It is pertinent to mention here that our structure is comprising the properties of metamaterials-an artificial material build with the composition of real materials, whose properties are triggered on the desired basis. The Phase transitions of this form have received a striking experimental verification in so far as they predict a tail or root towards which the AdS space ultimately tend when the boundary is considered thermalized.
Dhamankar, Himanshu Hemant
The dwindling nature of petroleum and other fossil reserves has provided impetus towards microbial synthesis of fuels and value added chemicals from biomass-derived sugars as a renewable resource. Microbes have naturally ...
Identification of added rye chromosomes in wheat-rye addition lines
Tang, Kuang Shy
1975-01-01T23:59:59.000Z
IDENTIFICATION OF ADDED RYE CHROMOSOMES IN WHEAT-RYE ADDITION LINES A Thesis by Kuang Shy Tang Submitted to the Graduate College of Texas A&K University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE May 1975... Major Subject: Genetics IDENTIFICATION OF ADDED RYE CHROMOSOMES IN WHEAT-RYE ADDITION LINES A Thesis by Kuang Shy Tang Approved as to style and content by: Chairm f Committee ember Head of Dep tment Member May 1975 428045 ABSTRACT...
tHe LeAdING MBA IN JAPAN Japan's Leading
Shoubridge, Eric
tHe LeAdING MBA IN JAPAN MBA Japan #12;Japan's Leading Master of Business adMinistration prograM the mcgill mBa JaPan Program, oFFered By mcgill University's desaUtels FacUlty oF management, is the leading mBa Program in JaPan. the two-weekends-Per-month Format allows stUdents to comPlete a FUll, to
Strickland, Amanda
2011-08-08T23:59:59.000Z
, WITH AN INTRODUCTION TO AD THEORY Approved by: Research Advisor: Melanie Hawthorne Associate Director of the Honors Programs Office: Dave A. Louis Major: Biology April 2011 Submitted to the Honors Programs Office Texas A&M University in partial fulfillment... to Ad Theory. (April 2011) Amanda Louise Strickland Department of Biology Texas A&M University Research Advisor: Dr. Melanie Hawthorne Department of European and Classical Languages and Cultures Translation has often been ignored or dismissed...
Expert Meeting Report: Key Innovations for Adding Energy Efficiency to Maintenance Projects
Wood, A.; Wiehagen, J.
2012-09-01T23:59:59.000Z
This report describes an expert meeting hosted by the Building America research team NAHB Research Center, which was held on February 8, 2012, in Orlando, Florida. The topic, Key Innovations for Adding Energy Efficiency to Maintenance Projects, was intended to provide direction to more focused efforts to increase the efficiency of existing homes; in this meeting, the focus was specifically for re-roofing and the opportunities for adding energy efficiency upgrades during this major home repair activity.
Lu, Songwu
evaluate the solution through simulation and implementation. 1. Introduction Mobile ad hoc networkingSelf-securing Ad Hoc Wireless Networks Haiyun Luo, Petros Zerfos, Jiejun Kong, Songwu Lu, Lixia wireless channel. However, the nature of ad hoc networks makes them vulner- able to security attacks
La guerra del fin del mundo: historia e invencion en una novela historica
Loeffler, Lisa Bowe
1984-01-01T23:59:59.000Z
. No solo la psicologia de los personajes, sino tambien las costumbres descritas responden por completo a la epoca del nove- lists. " Segun su juicio, en este tipo de novela, ". . . lo que interesa realmente es la curiosidad y excentricidad del ambiente... que este escritor utilize los hechos corno ". . . medios para alcanzar verdaderamente la mencionada fidelidad historica que es ". . . la verdad de la psicologfa historica de sus personajes, del hic et nunc (aquf. y ahora) de sus motivaciones...
CONCENTRADO DE LA INFORMACIN NOMBRE DEL PROYECTO
Bor, Gil
del senderismo son educativos, recreativos y deportivos, pretendiéndose con él, disfrutar de de vida tradicional, devolviendo al camino el concepto de lugar de encuentro, de intercambio, que en medir el éxito estableciendo indicadores para evaluaciones periódicas. ANTECEDENTES De acuerdo al
NOTES DEL SEMINARI MONOGRFIC SOBRE TREBALLS
Travesa, Artur
-UAB-UPC), celebrada a l'Esco- la Polit`ecnica Superior d'Enginyeria de Vilanova i la GeltrÂ´u, del 28 de gener a l'1 de
INAUGURAZIONE DEL CORSO POLITICA E ISTITUZIONI
Schettini, Raimondo
INAUGURAZIONE DEL CORSO DONNE, POLITICA E ISTITUZIONI quinta edizione GiovedÃ¬ 13 settembre 2012.unimib.it (vivere l'universitÃ - pari opportunitÃ - corso donne, politica e istituzioni) #12;
MODELACIN DEL TRANSPORTE REACTIVO EN LOS
Politècnica de Catalunya, Universitat
UPCUPCUPC MODELACIÓN DEL TRANSPORTE REACTIVO EN LOS YACIMIENTOS DE URANIO DE LA CUENCA DE transporte reactivo y validación #12;Contexto geológico de los yacimientos de uranio de la cuenca de
UNIVERSIDAD SIMON BOLIVAR SEDE DEL LITORAL
Vásquez, Carlos
datos, fibras ópticas, Sistemas PABX, Enlaces de microondas, Tecnología satelital y tecnología celular. Utilización del analizador de constelación. Tema N°9. Transmisión celular móvil GSM Estudio de herramientas de
Biblioteca del Polo Territoriale di Presentazione e servizi
personale addetto il numero di inventario e di collocazione del libro selezionato e presentare il tesserino
Memria del curs acadmic 1997-98 Memria del curs acadmic 1997-98
Oro, Daniel
MemÃ²ria del curs acadÃ¨mic 1997-98 1 #12;MemÃ²ria del curs acadÃ¨mic 1997-98 2 SUMARI 0. IntroducciÃ³ 1 1997-98 4.1.2 Assignatures troncals, obligatÃ²ries, optatives i de lliure configuraciÃ³. Curs 1997-98 4.2 Cursos de doctorat 4.2.1 TÃtols dels programes y departaments responsables dels cursos. Bienni 1997-99 4
de Intercambio Estudiantil UNIVERSIDAD CATLICA DEL URUGUAY
Petriu, Emil M.
Programa de Intercambio Estudiantil UNIVERSIDAD CATÃ?LICA DEL URUGUAY Nombre de la Universidad Universidad CatÃ³lica del Uruguay DÃ¡maso Antonio LarraÃ±aga Oficina de Intercambio Estudiantil SecretarÃa 2738 C.P. 11600 Montevideo Uruguay E-mail interinter@ucu.edu.uy PÃ¡gina Web www.ucu.edu.uy PÃ¡gina Web
AdS/QCD, LIight-Front Holography, and the Non-perturbative Running Coupling
Brodsky, Stanley J.; /SLAC; de Teramond, Guy; /Costa Rica U.; Deur, Alexandre; /Jefferson Lab
2010-04-29T23:59:59.000Z
The combination of Anti-de Sitter space (AdS) methods with light-front (LF) holography provides a remarkably accurate first approximation for the spectra and wavefunctions of meson and baryon light-quark bound states. The resulting bound-state Hamiltonian equation of motion in QCD leads to relativistic light-front wave equations in terms of an invariant impact variable {zeta} which measures the separation of the quark and gluonic constituents within the hadron at equal light-front time. These equations of motion in physical space-time are equivalent to the equations of motion which describe the propagation of spin-J modes in anti-de Sitter (AdS) space. The eigenvalues give the hadronic spectrum, and the eigenmodes represent the probability distributions of the hadronic constituents at a given scale. A positive-sign confining dilaton background modifying AdS space gives a very good account of meson and baryon spectroscopy and form factors. The light-front holographic mapping of this model also leads to a non-perturbative effective coupling {alpha}{sub s}{sup Ads} (Q{sup 2}) which agrees with the effective charge defined by the Bjorken sum rule and lattice simulations. It displays a transition from perturbative to nonperturbative conformal regimes at a momentum scale {approx} 1 GeV. The resulting {beta}-function appears to capture the essential characteristics of the full {beta}-function of QCD, thus giving further support to the application of the gauge/gravity duality to the confining dynamics of strongly coupled QCD.
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).
Shuang-Qing Wu
2011-12-13T23:59:59.000Z
With the help of a generalized form of the metric ansatz found for the single-charge case in a previous work [S.Q. Wu, Phys. Rev. D 83, 121502(R) (2011)], I adopt a simple algorithm to construct the most general nonextremal rotating charged black hole solutions in five-dimensional $U(1)^3$ gauged supergravity. The general solution that is interesting for testing the AdS$_5$/CFT$_4$ correspondence in M-theory, is characterized by its mass, two unequal rotation parameters, three different U(1) charges, and a negative cosmological constant. The metric ansatz is very universal and illuminative, it is not only especially suitable for constructing solutions with multiple different electric charges in (un)gauged supergravities, but also for other dilatonic gravity theory.
Ignacio Corder, Universidad Catlica del Uruguay Thomas Schwarz,S.J., Universidad Catlica del Uruguay
PÃ¢ris, Jehan-FranÃ§ois
Ignacio CorderÃ, Universidad CatÃ³lica del Uruguay Thomas Schwarz,S.J., Universidad CatÃ³lica del Uruguay AhmedAmer, Santa Clara University Darrell D. E. Long, UC Santa Cruz J.F. PÃ¢ris, University
Stability of Horava-Lifshitz Black Holes in the Context of AdS/CFT
Ong, Yen Chin; /Taiwan, Natl. Taiwan U.; Chen, Pisin; /Taiwan, Natl. Taiwan U. /KIPAC, Menlo Park /SLAC
2012-06-13T23:59:59.000Z
The anti-de Sitter/conformal field theory (AdS/CFT) correspondence is a powerful tool that promises to provide new insights toward a full understanding of field theories under extreme conditions, including but not limited to quark-gluon plasma, Fermi liquid, and superconductor. In many such applications, one typically models the field theory with asymptotically AdS black holes. These black holes are subjected to stringy effects that might render them unstable. Horava-Lifshitz gravity, in which space and time undergo different transformations, has attracted attention due to its power-counting renormalizability. In terms of AdS/CFT correspondence, Horava-Lifshitz black holes might be useful to model holographic superconductors with Lifshitz scaling symmetry. It is thus interesting to study the stringy stability of Horava-Lifshitz black holes in the context of AdS/CFT. We find that uncharged topological black holes in {lambda} = 1 Horava-Lifshitz theory are nonperturbatively stable, unlike their counterparts in Einstein gravity, with the possible exceptions of negatively curved black holes with detailed balance parameter {epsilon} close to unity. Sufficiently charged flat black holes for {epsilon} close to unity, and sufficiently charged positively curved black holes with {epsilon} close to zero, are also unstable. The implication to the Horava-Lifshitz holographic superconductor is discussed.
An Energy-Aware On-Demand Routing Protocol for Ad-Hoc Wireless Networks
Veerayya, Mallapur
2008-01-01T23:59:59.000Z
An ad-hoc wireless network is a collection of nodes that come together to dynamically create a network, with no fixed infrastructure or centralized administration. An ad-hoc network is characterized by energy constrained nodes, bandwidth constrained links and dynamic topology. With the growing use of wireless networks (including ad-hoc networks) for real-time applications, such as voice, video, and real-time data, the need for Quality of Service (QoS) guarantees in terms of delay, bandwidth, and packet loss is becoming increasingly important. Providing QoS in ad-hoc networks is a challenging task because of dynamic nature of network topology and imprecise state information. Hence, it is important to have a dynamic routing protocol with fast re-routing capability, which also provides stable route during the life-time of the flows. In this thesis, we have proposed a novel, energy aware, stable routing protocol named, Stability-based QoS-capable Ad-hoc On-demand Distance Vector (SQ-AODV), which is an enhancement...
Vásquez, Carlos
(Coordinadora de Administración Aduanera y encargada de Comercio Exterior y Comercio Internacional), Alexander propuesto 1. Consideración del Orden del Día. 2. Informe del Decano. 3. Presentación de informe sobre la situación actual del trimestre a raíz del paro profesoral. 2. Informe del Decano · Se recibieron
Virtual Compton Scattering off a Spinless Target in the AdS/QCD correspondence
C. Marquet; C. Roiesnel; S. Wallon
2010-12-15T23:59:59.000Z
We perform a study of the doubly virtual Compton scattering off a spinless target gamma* P -> gamma* P' within the Anti-de Sitter(AdS)/QCD formalism. We find that the general structure allowed by the Lorentz invariance and gauge invariance of the Compton amplitude is not easily reproduced with the standard recipes of the AdS/QCD correspondence. In the soft-photon regime, where the semi-classical approximation is supposed to apply best, we show that the measurements of the electric and magnetic polarizabilities of a target like the charged pion in real Compton scattering, can already serve as stringent tests, and presumably exclude results based on the AdS/QCD correspondence in its minimal version.
Use of rubber and bentonite added fly ash as a liner material
Cokca, Erdal; Yilmaz, Zeka
2004-07-01T23:59:59.000Z
In many countries regulations require all hazardous waste disposal facilities to be lined with suitable impermeable barriers to protect against contamination. In this study, a series of laboratory tests on rubber and bentonite added fly ash were conducted. The aim of the tests was to evaluate the feasibility of utilizing fly ash, rubber and bentonite as a low hydraulic conductivity liner material. Type C fly ash was obtained from Soma thermal power plant in Turkey; rubber in pulverized form was waste from the retreading industry. To investigate the properties of rubber and bentonite added fly ash, hydraulic conductivity, leachate analysis, unconfined compression, split tensile strength, one-dimensional consolidation, swell and freeze/thaw cycle tests were performed. The overall evaluation of results have revealed that rubber and bentonite added fly ash showed good promise and a candidate for construction of a liner.