Unnamed: 0 int64 0 18.1k | language stringclasses 4
values | creator stringlengths 2 137 | title stringlengths 2 217 | subject stringclasses 15
values | keyword stringlengths 10 597 | identifier stringlengths 82 244 | description stringlengths 2 2.3k | date stringlengths 14 14 |
|---|---|---|---|---|---|---|---|---|
4,300 | ['eng'] | ['Castro, C'] | ['The String Uncertainty Relations follow from the New Relativity Principle'] | ['Particle Physics - Theory'] | ['string model', 'uncertainty relations', 'space-time', 'algebra, Clifford', 'Regge poles'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001023'] | ["The String Uncertainty Relations have been known for some time as the stringy corrections to the original Heisenberg's Uncertainty principle. In this letter the Stringy Uncertainty relations, and corrections thereof, are explicitly derived from the New Relativity Principle that treats all dimensions and signatures on... | ['2000-01-07'] |
4,301 | ['eng'] | ['Damski, B'] | ["Supersymmetry and Bogomol'nyi equations in the Maxwell Chern-Simons systems"] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'supersymmetry, superspace', 'Bogomolnyi equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001022'] | ["We take advantage of the superspace formalism and explicitly find the N=2 supersymmetric extension of the Maxwell Chern-Simons model. In our construction a special form of a potential term and indispensability of an additional neutral scalar field arise naturally. By considering the algebra of supersymmetric charges ... | ['2000-01-07'] |
4,302 | ['eng'] | ['Horváth, Z', 'Karp, R L', 'Palla, L'] | ["A Two-loop Test of Buscher's T-duality, 1"] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'symmetry, SU(2)', 'duality, transformation', 'T-duality', 'energy, density', 'perturbation theory, higher-order', 'higher-order, 2', 'Hamiltonian formalism', 'charge, conservation law', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001021'] | ["We study the two loop quantum equivalence of sigma models related by Buscher's T-duality transformation. The computation of the two loop perturbative free energy density is performed in the case of a certain deformation of the SU(2) principal sigma model, and its T-dual, using dimensional regularization and the geome... | ['2000-01-06'] |
4,303 | ['eng'] | ['Tsou, S T'] | ['Some uses of moduli spaces in particle and field theory'] | ['Particle Physics - Theory'] | ['talk, Oxford 1998/07/02', 'gauge field theory, Yang-Mills', 'fibre bundle', 'instanton', 'magnetic monopole', 'moduli space', 'field theory, topological', 'Seiberg-Witten model', 'string model', 'field theory, conformal', 'M-theory', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001020'] | ['In this talk I shall try to give an elementary introduction to certain areas of mathematical physics where the idea of moduli space is used to help solve problems or to further our understanding. In the wide area of gauge theory, I shall mention instantons, monopoles and duality. Then, under the general heading of st... | ['2000-01-06'] |
4,304 | ['eng'] | ['Klich, I', 'Feinberg, J', 'Mann, A G', 'Revzen, M'] | ['Casimir energy of a dilute dielectric ball with uniform velocity of light at finite temperature'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'finite temperature', 'analytic properties', 'matter, dielectric'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001019'] | ['The Casimir energy, free energy and Casimir force are evaluated, at arbitrary finite temperature, for a dilute dielectric ball with uniform velocity of light inside the ball and in the surrounding medium. In particular, we investigate the classical limit at high temperature. The Casimir force found is repulsive, as i... | ['2000-01-06'] |
4,305 | ['eng'] | ['Youm, D'] | ['Solitons in Brane Worlds, 2'] | ['Particle Physics - Theory'] | ['soliton', 'relativity theory, general', 'field theory, scalar', 'field theory, tensor', 'field equations, solution', 'any-dimensional', 'membrane model', 'particle, relativistic', 'domain wall', 'dilaton', 'Randall-Sundrum model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001018'] | ['We study the solution describing a non-extreme dilatonic (p+1)-brane intersecting a D-dimensional extreme dilatonic domain wall, where one of its longitudinal directions is along the direction transverse to the domain wall, in relation to the Randall-Sundrum type model. The dynamics of the probe (p+1)-brane in such s... | ['2000-01-06'] |
4,306 | ['eng'] | ['Alvarez, Enrique', 'Gómez, C'] | ['A Comment on the Holographic Renormalization Group and the Soft Dilaton Theorem'] | ['Particle Physics - Theory'] | ['space-time', 'dilaton', 'renormalization group', 'holography', 'correlation function', 'beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001016'] | ['The equivalence between the holographic renormalization group and the soft dilaton theorem is shown for a class of wrapped metrics solutions of the string beta function equations for the bosonic string.'] | ['2000-01-06'] |
4,307 | ['eng'] | ['Rogers, A'] | ['Canonical Quantization and Topological Theories'] | ['Particle Physics - Theory'] | ['talk, Villasimius 1999/09/14', 'particle, relativistic', 'particle, topological', 'quantum mechanics, supersymmetry', 'field theory, topological', 'sigma model, nonlinear', 'dimension, 2', 'space-time', 'quantization', 'Hamiltonian formalism', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001015'] | ['The canonical quantization of the topological particle is described; it is shown that BRST quantization of the model gives the supersymmetric quantum mechanical model considered by Witten when investigating Morse theory, and the rigorous path integral method appropriate for this model is discussed. Possibilities for ... | ['2000-01-05'] |
4,308 | ['eng'] | ['Dick, R', 'Mikulovicz, D'] | ['Gravity and the Newtonian limit in the Randall-Sundrum model'] | ['Particle Physics - Theory'] | ['gravitation, action', 'potential', 'Kaluza-Klein model', 'Randall-Sundrum model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001013'] | ['We point out that the gravitational evolution equations in the Randall-Sundrum model appear in a different form than hitherto assumed. As a consequence, the model yields a correct Newtonian limit in a novel manner.'] | ['2000-01-05'] |
4,309 | ['eng'] | ['Fateev, V', 'Zamolodchikov, A B', 'Zamolodchikov, A B'] | ['Boundary Liouville Field Theory; 1, Boundary State and Boundary Two-point Function'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'field theory, conformal', 'dimension, 2', 'boundary condition', 'two-point function', 'analytic properties', 'sine-Gordon model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001012'] | ['Liouville conformal field theory is considered with conformal boundary. There is a family of conformal boundary conditions parameterized by the boundary cosmological constant, so that observables depend on the dimensional ratios of boundary and bulk cosmological constants. The disk geometry is considered. We present ... | ['2000-01-05'] |
4,310 | ['eng'] | ['Kuroki, T'] | ['Noncommutativities of D-branes and $\\Theta$-changing Degrees of Freedom in D-brane Matrix Models'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'matrix model', 'differential geometry, noncommutative', 'effective action', 'space-time, transformation', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001011'] | ['It is known that when there are several D-branes, their space-time coordinates in general become noncommutative. From the point of view of noncommutative geometry, it reflects noncommutativity of the world volume of the D-branes. On the other hand, as we showed in the previous work, in the presence of the constant an... | ['2000-01-05'] |
4,311 | ['eng'] | ['Belitsky, A V', 'Vandoren, S', 'van Nieuwenhuizen, P'] | ['Instantons, Euclidean supersymmetry and Wick rotations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, Euclidean', 'field theory, collective', 'instanton, background field', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001010'] | ['We discuss the reality properties of the fermionic collective coordinates in Euclidean space in an instanton background and construct hermitean actions for N = 4 and N = 2 supersymmetric Euclidean Yang-Mills theories.'] | ['2000-01-05'] |
4,312 | ['eng'] | ['Farhi, E', 'Graham, N', 'Jaffe, R L', 'Weigel, H'] | ['A Heavy Fermion Can Create a Soliton'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'fermion, flavor', 'effective action', 'perturbation theory, higher-order', 'energy', 'fermion number', 'soliton', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912283'] | ['We show that quantum effects can stabilize a soliton in a model with no soliton at the classical level. The model has a scalar field chirally coupled to a fermion in 1+1 dimensions. We use a formalism that allows us to calculate the exact one loop fermion contribution to the effective energy for a spatially varying s... | ['1999-12-31'] |
4,313 | ['eng'] | ['Tkach, V I', 'Pashnev, A I', 'Rosales, J J'] | ['Reparametrization Invariance and the Schrödinger Equation'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'particle, relativistic', 'quantum mechanics', 'Schroedinger equation, time dependence', 'invariance, reparametrization', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912282'] | ['In the present work we consider a time-dependent Schrödinger equation for systems invariant under the reparametrization of time. We develop the two-stage procedure of construction such systems from a given initial ones, which is not invariant under the time reparametrization. One of the first-class constraints of the... | ['1999-12-31'] |
4,314 | ['eng'] | ['Lechtenfeld, O'] | ['Mathematics and Physics of N=2 Strings'] | ['Particle Physics - Theory'] | ['talk, Dubna 1999/07/26', 'string model', 'supersymmetry', 'string, open', 'string, closed', 'quantization, 1', 'space-time', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912281'] | ['Open and closed strings with two worldsheet supersymmetries in 2+2 dimensional spacetime are reviewed in the NSR formulation. I briefly discuss their quantization, mutual and self-interactions, classical spacetime dynamics and interpretation in terms of self-dual Yang-Mills and gravity. A stringy origin of the infini... | ['1999-12-31'] |
4,315 | ['eng'] | ['Prokushkin, S F', 'Segal, A', 'Vasilev, M'] | ['Coordinate-Free Action for $AdS_{3}$ Higher-Spin-Matter Systems'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 3', 'gauge field theory, U(1)', 'Chern-Simons term', 'fermion', 'field theory, scalar', 'spin, high', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912280'] | ['A coordinate-free action principle for the N=2 supersymmetric model of spin 0 and spin 1/2 matter fields interacting via Chern-Simons higher spin gauge fields in AdS3 is formulated in terms of star-product algebra of two oscillators. Although describing proper relativistic dynamics the action does not contain space-t... | ['1999-12-31'] |
4,316 | ['eng'] | ['Moore, G', 'Witten, Edward'] | ['Self-Duality, Ramond-Ramond Fields and K-Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, D-brane', 'duality', 'K-theory', 'cohomology', 'topology', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912279'] | ['Just as D-brane charge of Type IIA and Type IIB superstrings is classified, respectively, by K^1(X) and K(X), Ramond-Ramond fields in these theories are classified, respectively, by K(X) and K^1(X). By analyzing a recent proposal for how to interpret quantum self-duality of RR fields, we show that the Dirac quantizat... | ['1999-12-31'] |
4,317 | ['eng'] | ['Pernici, M'] | ['Semi-naive dimensional renormalization'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'higher-order, 2', 'regularization, dimensional', 'algebra, Clifford', 'field theory, scalar', 'fermion', 'coupling, Yukawa', 'gauge field theory, external field', 'Ward identity, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912278'] | ["We propose a treatment of $\\gamma^5$ in dimensional regularization which is based on an algebraically consistent extension of the Breitenlohner-Maison-'t Hooft-Veltman (BMHV) scheme; we define the corresponding minimal renormalization scheme and show its equivalence with a non-minimal BMHV scheme. The restoration of... | ['1999-12-31'] |
4,318 | ['eng'] | ['Castellani, L'] | ['On G/H geometry and its use in M-theory compactifications'] | ['Particle Physics - Theory'] | ['M-theory', 'spontaneous compactification', 'coset space, geometry', 'supergravity', 'dimension, 11', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912277'] | ['The Riemannian geometry of coset spaces is reviewed, with emphasis on its applications to supergravity and M-theory compactifications. Formulae for the connection and curvature of rescaled coset manifolds are generalized to the case of nondiagonal Killing metrics. The example of the N^{010} spaces is discussed in det... | ['1999-12-31'] |
4,319 | ['eng'] | ['Ozeki, T', 'Shimoyama, N'] | ['Four-Dimensional Planck Scale is Not Universal in Fifth Dimension in Randall-Sundrum Scenario'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'space-time', 'membrane model', 'dimension, 5', 'spontaneous compactification', 'mass spectrum', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912276'] | ['It has recently been proposed that the hierarchy problem can be solved by considering the warped fifth dimension compactified on $S^{1}/Z_{2}$. Many attempts in this scenario assume a particular choice for an integration constant $\\sigma_{0}$ that appears when one solves the five-dimensional Einstein equation. Since... | ['1999-12-31'] |
4,320 | ['eng'] | ['Vecchia, P D', 'Liccardo, A'] | ['D branes in string theory, 2'] | ['Particle Physics - Theory'] | ['lectures, Kyoto 1999/10/27', 'membrane model, D-brane', 'membrane model, p-brane', 'string model, heterotic', 'gauge field theory, SO(32)', 'phase space, boundary condition', 'gauge field theory, U(1)', 'Born-Infeld model', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912275'] | ["In these lectures we review the properties of a boosted and rotated boundary state and of a boundary state with an abelian gauge field deriving from it the Dirac-Born-Infeld action and a newly constructed class of classical solutions. We also review the construction of the boundary state for the stable non-BPS state ... | ['1999-12-31'] |
4,321 | ['eng'] | ['Muto, T'] | ['Brane Cube Realization of Three-dimensional Nonabelian Orbifolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'dimension, 3', 'orbifold, nonabelian', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912273'] | ['We study D-branes on three-dimensional orbifolds ${\\bf C}^3/\\Gamma$ where can be expressed in three-dimensional form. According to the correspondence between quiver diagrams and brane configurations, we construct a brane configuration for ${\\bf C}^3/\\ZnZn$ which has essentially three-dimensional structrue. Brane ... | ['1999-12-31'] |
4,322 | ['eng'] | ['Kim, E', 'Kim, H', 'Kim, N', 'Lee, B H', 'Lee, C Y', 'Yang, H S'] | ['Matrix Theory and D-brane Bound States on Noncommutative $T^{4}$'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'bound state', 'matrix model', 'field theory, torus', 'differential geometry, noncommutative', 'fibre bundle', 'duality', 'group theory, SO(4,4)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912272'] | ['We study D-brane bound states with a non-Abelian background on noncommutative $T^4$. We construct twisted quantum bundles and adjoint sections describing D-brane bound states. It is shown that the noncommutative $T^4$ with non-Abelian backgrounds also exhibits $SO(4,4|Z)$ duality and the action of this group gives Mo... | ['1999-12-31'] |
4,323 | ['eng'] | ["D'Hoker, E", 'Phong, D H'] | ['Lectures on Supersymmetric Yang-Mills Theory and Integrable Systems'] | ['Particle Physics - Theory'] | ['lectures', 'gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'superspace, harmonic', 'Seiberg-Witten model', 'effective action', 'duality', 'integrability', 'operator, Lax', 'Korteweg-de Vries equation', 'Kadomtsev-Petviashvili equation', 'scaling', 'Calogero-Moser model', 'geometry, algebra', 'analytic ... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912271'] | ['We present a series of four self-contained lectures on the following topics: (I) An introduction to 4-dimensional 1\\leq N \\leq 4 supersymmetric Yang-Mills theory, including particle and field contents, N=1 and N=2 superfield methods and the construction of general invariant Lagrangians; (II) A review of holomorphic... | ['1999-12-30'] |
4,324 | ['eng'] | ["D'Albuquerque, L C", 'Alves, N A', 'Dalmazi, D'] | ['Yang-Lee Zeros of the Ising model on Random Graphs of Non Planar Topology'] | ['Particle Physics - Theory'] | ['matrix model, random', 'expansion 1/N', 'partition function, 0', 'perturbation theory, higher-order', 'Feynman graph, planar', 'Ising model', 'energy', 'finite temperature', 'topology', 'vertex function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912270'] | ['We obtain in a closed form the 1/N^2 contribution to the free energy of the two Hermitian N\\times N random matrix model with non symmetric quartic potential. From this result, we calculate numerically the Yang-Lee zeros of the 2D Ising model on dynamical random graphs with the topology of a torus up to n=16 vertices... | ['1999-12-30'] |
4,325 | ['eng'] | ['Dalmazi, D', 'De Souza-Dutra, A', 'Hott, M B'] | ['Quadratic Effective Action for QED in D=2,3 Dimensions'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 2', 'dimension, 3', 'effective action', 'perturbation theory, higher-order', 'propagator', 'analytic properties', 'bosonization', 'gauge boson, mass', 'screening', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912269'] | ['We calculate the effective action for Quantum Electrodynamics (QED) in D=2,3 dimensions at the quadratic approximation in the gauge fields. We analyse the analytic structure of the corresponding nonlocal boson propagators nonperturbatively in k/m. In two dimensions for any nonzero fermion mass, we end up with one mas... | ['1999-12-30'] |
4,326 | ['eng'] | ['Ambjørn, Jan', 'Correia, J', 'Kristjansen, C F', 'Loll, R'] | ['On the relation between Euclidean and Lorentzian 2D quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'field theory, Euclidean', 'field theory, Minkowski', 'correlation function', 'perturbation theory, higher-order', 'higher-order, 2', 'space-time, triangulation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912267'] | ["Starting from 2D Euclidean quantum gravity, we show that one recovers 2D Lorentzian quantum gravity by removing all baby universes. Using a peeling procedure to decompose the discrete, triangulated geometries along a one-dimensional path, we explicitly associate with each Euclidean space-time a (generalized) Lorentzi... | ['1999-12-30'] |
4,327 | ['eng'] | ['Saitô, S', 'Wakatsuki, K'] | ['Symmetrization of Berezin Star Product and Path-Integral Quantization'] | ['Particle Physics - Theory'] | ['quantization, geometrical', 'path integral', 'operator, algebra', 'commutation relations', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912265'] | ['We propose a new star pruduct which interpolates the Berezin and Moyal quantization. A multiple of this product is shown to reduce to a path-integral quantization in the continuous time limit. In flat space the action becomes the one of free bosonic strings. Relation to Kontsevich prescription is also discussed.'] | ['1999-12-30'] |
4,328 | ['eng'] | ['Nayak, G C', 'Greiner, W'] | ['Gluon Production From Space-Time dependent Chromofield'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'quark, pair production', 'gluon, pair production', 'background field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001009'] | ['We study the production of gluon pairs from the QCD vacuum in the presence of a space-time dependent external chromofield by using background field method. This pair production is computed to the lowest order in coupling consatnt $q\\bar{q}$ pair production from the space-time dependent chromofield. Parton production... | ['2000-01-04'] |
4,329 | ['eng'] | ['Li, S', 'Zhang, Y', 'Zhu, Z'] | ['Topological Defects in 3-d Euclidean Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 3', 'field theory, Euclidean', 'gauge field theory, SU(2)', 'Chern-Simons term', 'symmetry, SO(3)', 'topology, defect', 'algebra, Kac-Moody'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001007'] | ['By making use of the complete decomposition of SO(3) spin connection, the topological defect in 3-dimensional Euclidean gravity is studied in detail. The topological structure of disclination is given as the combination of a monopole structure and a vortex structure. Furthermore, the Kac-Moody algebra generated by th... | ['2000-01-04'] |
4,330 | ['eng'] | ['Haag, R'] | ['Questions in quantum physics'] | ['Particle Physics - Theory'] | ['particle physics, history', 'group theory, Poincare', 'axiomatic field theory', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001006'] | ['An assessment of the present status of the theory, some immediate tasks which are suggested thereby and some questions whose answers may require a longer breath since they relate to significant changes in the conceptual and mathematical structure of the theory.'] | ['2000-01-04'] |
4,331 | ['eng'] | ['Helfer, A D'] | ['Moving Mirrors and Thermodynamic Paradoxes'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'mirror', 'fluctuation', 'quantization, 1', 'thermodynamics', 'energy, vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001004'] | ['Quantum fields responding to "moving mirrors" have been predicted to give rise to thermodynamic paradoxes. I show that the assumption in such work that the mirror can be treated as an external field is invalid: the exotic energy-transfer effects necessary to the paradoxes are well below the scales at which the model ... | ['2000-01-04'] |
4,332 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N'] | ['Domain Walls and Massive Gauged Supergravity Potentials'] | ['Particle Physics - Theory'] | ['supergravity, potential', 'gauge field theory', 'field theory, massive', 'domain wall', 'any-dimensional', 'space-time, anti-de Sitter', 'Randall-Sundrum model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001002'] | ['We point out that massive gauged supergravity potentials, for example those arising due to the massive breathing mode of sphere reductions in M-theory or string theory, allow for supersymmetric (static) domain wall solutions which are a hybrid of a Randall-Sundrum domain wall on one side, and a dilatonic domain wall ... | ['2000-01-04'] |
4,333 | ['eng'] | ['Aspinwall, Paul S'] | ['Compactification, Geometry and Duality'] | ['Particle Physics - Theory'] | ['review, Boulder 1999/05/30', 'string model', 'supersymmetry', 'spontaneous compactification', 'duality', 'field theory, Calabi-Yau', 'geometry, Kaehler', 'moduli space', 'holonomy', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001001'] | ["These are notes based on lectures given at TASI99. We review the geometry of the moduli space of N=2 theories in four dimensions from the point of view of superstring compactification. The cases of a type IIA or type IIB string compactified on a Calabi-Yau threefold and the heterotic string compactified on K3xT2 are ... | ['2000-01-04'] |
4,334 | ['eng'] | ['Blazhyjevskii, L F', 'Marko, A Y'] | ['Relativistic particle interaction with a weak electromagnetic field'] | ['Particle Physics - Theory'] | ['fermion', 'electromagnetic interaction', 'Dirac equation', 'approximation, weak coupling', 'Schroedinger equation', 'Foldy-Wouthuysen transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912294'] | ['Schrodinger equation with two-component wave function which describes a relativistic spin 1/2 particle in a weak electromagnetic field is obtained. In the same approximation Schrodinger equation with traditional norm condition and one-component wave function for a spinless particle is obtained as well. To construct i... | ['2000-01-03'] |
4,335 | ['eng'] | ['Cornalba, L'] | ['Corrections to the Abelian Born-Infeld Action Arising from Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['Born-Infeld model, abelian', 'differential geometry, noncommutative', 'field theory, action', 'field theory, transformation', 'differential forms, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912293'] | ['In a recent paper Seiberg and Witten have argued that the full action describing the dynamics of coincident branes in the weak coupling regime is invariant under a specific field redefinition, which replaces the group of ordinary gauge transformations with the one of noncommutative gauge theory. This paper represents... | ['2000-01-03'] |
4,336 | ['eng'] | ['Delduc, F', 'Ivanov, E', 'Krivonos, S'] | ['1/4 PBGS and Superparticle Actions'] | ['Particle Physics - Theory'] | ['talk, Karpacz 1999/09/21', 'particle, relativistic', 'supersymmetry, kappa symmetry', 'superfield', 'mechanics, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912292'] | ['We construct the worldline superfield massive superparticle actions which preserve 1/4 portion of the underlying higher-dimensional supersymmetry. We consider the cases of N=4/N=1 and N=8/N=2 partial breaking. In the first case we present the corresponding Green-Schwarz type target superspace action with one kappa su... | ['2000-01-03'] |
4,337 | ['eng'] | ['Kenneth, O', 'Nussinov, S'] | ['Small object limit of Casimir effect and the sign of the Casimir force'] | ['Particle Physics - Theory'] | ['electromagnetic interaction', 'boundary condition', 'effect, Casimir', 'radiation', 'partition function', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912291'] | ['We show a simple way of deriving the Casimir Polder interaction, present some general arguments on the finiteness and sign of mutual Casimir interactions and finally we derive a simple expression for Casimir radiation from small accelerated objects.'] | ['2000-01-03'] |
4,338 | ['eng'] | ['Kreimer, D'] | ['Shuffling quantum field theory'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'algebra, Hopf', 'algebra, shuffle', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912290'] | ['We discuss shuffle identities between Feynman graphs using the Hopf algebra structure of perturbative quantum field theory. For concrete exposition, we discuss vertex function in massless Yukawa theory.'] | ['2000-01-03'] |
4,339 | ['eng'] | ['Shirzad, A', 'Loran, F'] | ['How to fix the gauges?'] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'constraint', 'transformation, gauge', 'quantum electrodynamics', 'field theory, scalar', 'gauge field theory, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912289'] | ['We present a special constraint structure that possesses both reducable and chain structure. Using our constraint structure, we show that the number of required gauge fixing conditions is just equal to the number of chains and the remaining requirements follow from consistency conditions. Electrodynamics and Yang-Mil... | ['2000-01-03'] |
4,340 | ['eng'] | ['Myung, Y S', 'Kang, G', 'Lee, H W'] | ['S-wave absorption of scalars by noncommutative D3-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'string model', 'supersymmetry', 'effective action', 'effect, noncommutative', 'fluctuation', 'dilaton, propagator', 'partial wave analysis', 'gauge, dilaton', 'gauge, harmonic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912288'] | ['On the supergravity side, we study the propagation of the RR scalar and the dilaton in the D3-branes with NS $B$-field. To obtain the noncommutative effect, we consider the case of $B\\to \\infty(\\theta \\to\\pi/2)$. This corresponds to the black D-string background. In this background, the RR scalar induces an inst... | ['2000-01-03'] |
4,341 | ['eng'] | ['Mukohyama, S', 'Shiromizu, T', 'Maeda, K I'] | ['Global structure of exact cosmological solutions in the brane world'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'membrane model', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912287'] | ['We find the explicit coordinate transformation which links two exact cosmological solutions of the brane world which have been recently discovered. This means that both solutions are exactly the same with each other. One of two solutions is described by the motion of a domain wall in the well-known 5-dimensional Schw... | ['2000-01-03'] |
4,342 | ['eng'] | ['Graham, N'] | ['Exact Renormalized One-Loop Quantum Corrections to Energies of Solitonic Field Configurations'] | ['Particle Physics - Theory'] | ['thesis', 'phi**n model, 4', 'soliton', 'fermion', 'supersymmetry', 'dimension, 2', 'dimension, 3', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912286'] | ['We develop a method for computing exact one-loop quantum corrections to the energies of static classical backgrounds in renormalizable quantum field theories. We use a continuum density of states formalism to construct a regularized Casimir energy in terms of phase shifts and their Born approximations. This method un... | ['2000-01-03'] |
4,343 | ['eng'] | ['Fosco, C D', 'López, A', 'Schaposnik, F A'] | ['Dimensional reduction, magnetic flux strings, and domain walls'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, determinant', 'dimension, 4', 'dimensional reduction', 'dimension, 3', 'flux, magnetic', 'string model', 'domain wall', 'expansion, derivative', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912285'] | ["We study some consequences of dimensionally reducing systems with massless fermions and Abelian gauge fields from 3+1 to 2+1 dimensions. We first consider fermions in the presence of an external Abelian gauge field. In the reduced theory, obtained by compactifying one of the coordinates `a la Kaluza-Klein, magnetic f... | ['2000-01-03'] |
4,344 | ['eng'] | ['Ohta, K', 'Yokono, T'] | ['Deformation of Conifold and Intersecting Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'p-brane, 5', 'membrane model, interaction', 'conifold', 'deformation', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912266'] | ['We study the relation between intersecting NS5-branes whose intersection is smoothed out and the deformed conifold in terms of the supergravity solution. We solve the condition of preserved supersymmetry on a metric inspired by the deformed conifold metric and obtain a solution of the NS5-branes which is delocalized ... | ['1999-12-30'] |
4,345 | ['eng'] | ['Bandos, I A', 'Lukierski, J', 'Sorokin, D P'] | ['The OSp(1|4) Superparticle and Exotic BPS States'] | ['Particle Physics - Theory'] | ['talk, Karpacz 1999/09/21', 'supersymmetry, superspace', 'particle, relativistic', 'algebra, OSp(1|4)', 'mechanics, action', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912264'] | ['We discuss the dynamics of a superparticle in a superspace whose isometry is generated by the superalgebra OSp(1|4) or its central-charge contraction. Extra coordinates of the superspace associated with tensorial central charges are shown to describe spin degrees of freedom of the superparticle, so quantum states for... | ['1999-12-29'] |
4,346 | ['eng'] | ['Menotti, P', 'Seminara, D'] | ['ADM approach to 2+1 dimensional gravity'] | ['Particle Physics - Theory'] | ['talk, Villasimius 1999/09/14', 'gravitation', 'dimension, 3', 'Hamiltonian formalism', 'field equations, Liouville', 'conservation law', 'many-body problem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912263'] | ['The canonical ADM equations are solved in terms of the conformal factor in the instantaneous York gauge. A simple derivation is given for the solution of the two body problem. A geometrical characterization is given for the apparent singularities occurring in the N-body problem and it is shown how the Garnier hamilto... | ['1999-12-29'] |
4,347 | ['eng'] | ['Igarashi, Y', 'Itoh, K', 'So, H'] | ['Exact Symmetries realized on the Renormalized Group Flow'] | ['Particle Physics - Theory'] | ['renormalization group, transformation', 'symmetry, transformation', 'transformation, Becchi-Rouet-Stora', 'master equation', 'Ward-Takahashi identity', 'electromagnetic field', 'symmetry, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912262'] | ['We show that symmetries are preserved exactly along the (Wilsonian) renormalization group flow, though the IR cutoff deforms concrete forms of the transformations. For a gauge theory the cutoff dependent Ward-Takahashi identity is written as the master equation in the antifield formalism: one may read off the renorma... | ['1999-12-29'] |
4,348 | ['eng'] | ['Suyama, T'] | ['Intersecting Branes and Generalized Vortices'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 4', 'p-brane, 0', 'membrane model, interaction', 'monopole, BPS', 'vortex', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912261'] | ['We construct the effective theory of intersecting branes and investigate the BPS monopoles in the theory. The monopoles obtained are the generalization of Nielsen-Olesen vortex. We study the properties of the solutions and interpret them as the D0-branes on the brane-intersections.'] | ['1999-12-29'] |
4,349 | ['eng'] | ['Chan, C T'] | ['Exact Scattering States of Dirac-Born-Infeld Equation with Constant Background Fields'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'Born-Infeld model', 'background field, constant', 'string model', 'field equations, solution', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912260'] | ['Exact solutions to the Dirac-Born-Infeld equation, which describes scatterings of localized wave packets in the presence of constant background fields, are derived in this paper.'] | ['1999-12-28'] |
4,350 | ['eng'] | ['Martínez, C', 'Teitelboim, C', 'Zanelli, J'] | ['Charged Rotating Black Hole in Three Spacetime Dimensions'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 3', 'charge, electric', 'angular momentum', 'Einstein-Maxwell equation, solution', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912259'] | ["The generalization of the black hole in three-dimensional spacetime to include an electric charge Q in addition to the mass M and the angular momentum J is given. The field equations are first solved explicitly when Q is small and the general form of the field at large distances is established. The total ``hairs'' M,... | ['1999-12-28'] |
4,351 | ['eng'] | ['Kimura, Y', 'Kitazawa, Y'] | ['IIB Matrix Model with D1-D5 Backgrounds'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'matrix model', 'dimension, 10', 'dimension, 2', 'membrane model, D-brane', 'membrane model, p-brane', 'supergravity', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912258'] | ['We consider IIB matrix model with D1-D5-brane backgrounds. Using the fact that noncommutative gauge theory on the D-branes can be obtained as twisted reduced model in IIB matrix model, we study two-dimensional gauge theory on D1-branes and D5-branes. Especially the spectrum of the zero modes in the off-diagonal parts... | ['1999-12-28'] |
4,352 | ['eng'] | ['Angelantonj, Carlo', 'Armoni, Adi'] | ['Non-Tachyonic Type 0B Orientifolds, Non-Supersymmetric Gauge Theories and Cosmological RG Flow'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'string model', 'orientifold', 'astrophysics', 'field theory, conformal', 'space-time, anti-de Sitter', 'renormalization group, transformation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912257'] | ['We discuss gauge theories on D3 branes embedded in special non-tachyonic orientifolds of the 0B string theory. In general, they correspond to non-supersymmetric SU(N) gauge theories with scalars in the adjoint representation and spinors in the (anti-)symmetric representation. We study these theories via the AdS/CFT c... | ['1999-12-28'] |
4,353 | ['eng'] | ['Constantinidis, C P', 'Devecchi, F P', 'Marchioro, D F'] | ['A solution to the zero-hamiltonian problem in 2-D gravity'] | ['Particle Physics - Theory'] | ['gravitation, induced', 'dimension, 2', 'Hamiltonian formalism', 'particle, relativistic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912256'] | ['The zero-hamiltonian problem, present in reparametrization invariant systems, is solved for the 2-D induced gravity model. Working with methods developed by Henneaux et al. we find sistematically the reduced phase-space physics, generated by an {\\it effective} hamiltonian obtained after complete gauge fixing.'] | ['1999-12-28'] |
4,354 | ['eng'] | ['Yoneya, T'] | ['Spontaneously Broken Space-Time Supersymmetry in Open String Theory without GSO Projection'] | ['Particle Physics - Theory'] | ['string model, open', 'symmetry, nonlinear', 'supersymmetry', 'symmetry, spontaneously broken', 'particle, multiplet', 'mass spectrum', 'transformation, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912255', 'http://arXiv.org/abs/hep-th/?9912255'] | ["We argue that orientable open string theory without GSO projection has N=2 space-time supersymmetry in a spontaneously broken phase. The arguments are presented both in Neveu-Schwarz-Ramond and Green-Schwarz formulations. The formal but explicit supersymmetry transformation law for string field is given in the framew... | ['1999-12-28'] |
4,355 | ['eng'] | ['Sugino, F'] | ["Witten's Open String Field Theory in Constant B-Field Background"] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'background field, constant', 'operator, algebra', 'vertex function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912254'] | ["In this paper we consider Witten's bosonic open string field theory in the presence of a constant background of the second-rank antisymmetric tensor field $B_{ij}$. We extend the operator formulation of Gross and Jevicki in this situation and construct the overlap vertices explicitly. As a result we find a noncommuta... | ['1999-12-28'] |
4,356 | ['eng'] | ['Fujikawa, K', 'Terashima, H'] | ['Note on the Gauge Fixing in Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, Euclidean', 'partition function', 'gauge fixing', 'gauge field theory, U(1)', 'invariance, Becchi-Rouet-Stora', 'unitarity', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912253'] | ['In the absence of Gribov complications, the modified gauge fixing in gauge theory $ \\int{\\cal D}A_{\\mu}\\{\\exp[-S_{YM}(A_{\\mu})-\\int f(A_{\\mu})dx] $f(A_{\\mu})=(1/2)(A_{\\mu})^{2}$, is identical to the conventional Faddeev-Popov formula $\\int{\\cal D}A_{\\mu}\\{\\delta(D^{\\mu}\\frac{\\delta f(A_{\\nu})}{\\de... | ['1999-12-28'] |
4,357 | ['eng'] | ['Hott, M B', 'Tomazelli, J L'] | ['Induced Lorentz and PCT Symmetry Breaking in an External Electromagnetic Field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'effective action', 'symmetry breaking, Lorentz', 'violation, CPT', 'electromagnetic field, external field', 'gauge field theory', 'Chern-Simons term, induced', 'nonperturbative', 'fermion, propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912251'] | ['In this work we derive the Lorentz-PCT-violating effective action for a fermion in a constant and uniform electromagnetic field using the Fock-Schwinger proper time method and extract the exact value of the coefficient of the nonperturbatively induced Chern-Simons term.'] | ['1999-12-28'] |
4,358 | ['eng'] | ['Erdmenger, J', 'Pérez-Victoria, M'] | ['Non-renormalization of next-to-extremal correlators in N=4 SYM and the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, conformal', 'space-time, anti-de Sitter', 'n-point function', 'correlation function', 'perturbation theory, higher-order', 'renormalization', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912250'] | ['We show that next-to-extremal correlators of chiral primary operators in N=4 SYM theory do not receive quantum corrections to first order in perturbation theory. Furthermore we consider next-to-extremal correlators within AdS supergravity. Here the exchange diagrams contributing to these correlators yield results of ... | ['1999-12-28'] |
4,359 | ['eng'] | ['Sen, A', 'Zwiebach, B'] | ['Tachyon condensation in string field theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'field equations', 'dependence, gauge', 'tachyon, condensation', 'membrane model, D-brane', 'string model, boson'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912249'] | ['It has been conjectured that at a stationary point of the tachyon potential for the D-brane of bosonic string theory, the negative energy density exactly cancels the D-brane tension. We evaluate this tachyon potential by off-shell calculations in open string field theory. Surprisingly, the condensation of the tachyon... | ['1999-12-27'] |
4,360 | ['eng'] | ['Pernici, M', 'Raciti, M', 'Riva, F'] | ['Dimensional renormalization of Yukawa theories wia Wilsonian methods'] | ['Particle Physics - Theory'] | ['regularization, dimensional', 'field theory, scalar', 'fermion', 'effective action', 'coupling, Yukawa', 'gauge field theory, Yang-Mills', 'perturbation theory, higher-order', 'higher-order, 2', 'renormalization group, beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912248'] | ["In the 't Hooft-Veltman dimensional regularization scheme it is necessary to introduce finite counterterms to satisfy chiral Ward identities. It is a non-trivial task to evaluate these counterterms even at two loops. We suggest the use of Wilsonian exact renormalization group techniques to reduce the computation of t... | ['1999-12-27'] |
4,361 | ['eng'] | ['Barnich, G'] | ['A note on the BRST cohomology of the extended antifield formalism'] | ['Particle Physics - Theory'] | ['talk, Calimanesti 1998/04/24', 'quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'cohomology, Becchi-Rouet-Stora', 'antifield'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912247'] | ['The relevance of the BRST cohomology of the extended antifield formalism is briefly discussed along with standard homological tools needed for its computation.'] | ['1999-12-27'] |
4,362 | ['eng'] | ['Hamber, H W'] | ['On the Gravitational Scaling Dimensions'] | ['Particle Physics - Theory'] | ['gravitation', 'lattice field theory', 'continuum limit', 'quantization', 'scaling, finite size', 'renormalization group, beta function', 'path integral', 'fluctuation', 'sum rule', 'approximation, strong coupling', 'critical phenomena', 'numerical calculations, Monte Carlo', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912246'] | ['A model for quantized gravitation based on the simplicial lattice discretization is studied in detail using a comprehensive finite size scaling analysis combined with renormalization group methods. The results are consistent with a value for the universal critical exponent for gravitation gravitational correlation le... | ['1999-12-27'] |
4,363 | ['eng'] | ['Jassal, H K', 'Mukherjee, A'] | ['Analytical results for string propagation near a Kaluza-Klein black hole'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'black hole', 'string model', 'propagator', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912245'] | ['This brief report presents analytical solutions to the equations of motion of a null string. The background spacetime is a magnetically charged Kaluza-Klein black hole. The string coordinates are expanded with the world-sheet velocity of light as an expansion parameter. It is shown that the zeroth order solutions can... | ['1999-12-27'] |
4,364 | ['eng'] | ['Silverstein, E', 'Song, Y S'] | ['On the Critical Behavior of D1-brane Theories'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 1', 'critical phenomena', 'renormalization group, transformation', 'orbifold', 'moduli space', 'field theory, conformal', 'perturbation theory, higher-order', 'gauge field theory, Yang-Mills', 'gauge field theory, quiver', 'singularity', 'sigma model, lin... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912244'] | ["We study renormalization-group flow patterns in theories arising on D1-branes in various supersymmetry-breaking backgrounds. We argue that the theory of N D1-branes transverse to an orbifold space can be fine-tuned to flow to the corresponding orbifold conformal field theory in the infrared, for particular values of ... | ['1999-12-27'] |
4,365 | ['eng'] | ['Kostelecky, V A', 'Perry, M', 'Potting, R'] | ['Off-shell structure of the string $\\sigma$ model'] | ['Particle Physics - Theory'] | ['string model, boson', 'sigma model, nonlinear', 'dimension, 2', 'correlation function, regularization', 'renormalization group, beta function', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912243'] | ["The off-shell structure of the string sigma model is investigated. In the open bosonic string, nonperturbative effects are shown to depend crucially on the regularization scheme. A scheme retaining the notion of string width reproduces the structure of Witten's string field theory and the associated unconventional ga... | ['1999-12-24'] |
4,366 | ['eng'] | ['Ivanov, M G', 'Volovich, I V'] | ['Metric Fluctuations in Brane Worlds'] | ['Particle Physics - Theory'] | ['membrane model', 'gravitation', 'space-time, fluctuation', 'zero mode', 'dimension, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912242'] | ['Recently a realization of the four-dimensional gravity on a brane in five-dimensional spacetime has been discussed. Randall and Sundrum have shown that the equation for the longitudinal components of the metric fluctuations admit a normalizable zero mode solution, which has been interpreted as the localized gravity o... | ['1999-12-24'] |
4,367 | ['eng'] | ['Berkooz, M'] | ['From SYM Perturbation Theory to Closed Strings in Matrix Theory'] | ['Particle Physics - Theory'] | ['string model', 'string, closed', 'field theory, anti-de Sitter', 'field theory, conformal', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 4', 'gauge field theory, Yang-Mills', 'supersymmetry', 'effective action', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912241'] | ["For the purpose of better understanding the AdS/CFT correspondence it is useful to have a description of the theory for all values of the 't Hooft coupling, and for all $N$. We discuss such a description in the framework of Matrix theory for SYM on D4-branes, which is given in terms of quantum mechanics on the moduli... | ['1999-12-24'] |
4,368 | ['eng'] | ['Müller, A'] | ['Finite Temperature QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'fermion', 'S-matrix, causality', 'perturbation theory, higher-order', 'renormalization', 'higher-order, 3', 'electron, magnetic moment', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912240'] | ['In this work quantum electrodynamics at T>0 is considered. For this purpose we use thermo field dynamics and the causal approach to quantum field theory according to Epstein and Glaser, the latter being a rigorous method to avoid the well-known ultraviolet divergencies of quantum field theory. It will be shown that t... | ['1999-12-24'] |
4,369 | ['eng'] | ['Felder, G', 'Fröhlich, J', 'Fuchs, J', 'Schweigert, C'] | ['Correlation functions and boundary conditions in RCFT and three-dimensional topology'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 3', 'field theory, topological', 'homology', 'invariance, modular', 'boundary condition', 'correlation function', 'partition function', 'knot theory', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912239'] | ['We give a general construction of correlation functions in rational conformal field theory on a possibly non-orientable surface with boundary in terms of 3-dimensional topological quantum field theory. The construction applies to any modular category. It is proved that these correlation functions obey modular and fac... | ['1999-12-24'] |
4,370 | ['eng'] | ['Zachos, C K'] | ['Geometrical Evaluation of Star Products'] | ['Particle Physics - Theory'] | ['operator, algebra', 'quantization, deformation', 'supersymmetry', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912238'] | ['The geometric picture of the star-product based on its Fourier representation kernel is utilized in the evaluation of chains of star-products and the intuitive appreciation of their associativity and symmetries. Such constructions appear even simpler for a variant asymmetric product, and carry through for the standar... | ['1999-12-24'] |
4,371 | ['eng'] | ['Cherednikov, Igor O', 'Fedorov, S', 'Khalili, M', 'Sveshnikov, K'] | ['Chiral Hybrid Bag Model with the Boson Field inside the Bag'] | ['Particle Physics - Theory'] | ['bag model, hybrid', 'symmetry, chiral', 'energy', 'quark, sea', 'vacuum polarization', 'bootstrap', 'dimension, 2', 'boson, condensation', 'ground state', 'soliton', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912237'] | ["The three-phase version of the hybrid chiral bag model, containing the phase of asymptotic freedom, the hadronization phase as well as the intermediate phase of constituent quarks, is proposed. For this model the self-consistent solution, which takes into account the fermion vacuum polarization effects, is found in (... | ['1999-12-24'] |
4,372 | ['eng'] | ['Hassan, S F'] | ['SO(d,d) Transformations of Ramond-Ramond Fields and Space-time Spinors'] | ['Particle Physics - Theory'] | ['string model', 'field theory, tensor', 'spinor', 'symmetry, SO(N,N)', 'operator, determinant', 'duality', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912236'] | ['We explicitly construct the SO(d,d) transformations of Ramond-Ramond field strengths and potentials, along with those of the space-time supersymmetry parameters, the gravitinos and the dilatinos in type-II theories. The results include the case when the SO(d,d) transformation involves the time direction. The derivati... | ['1999-12-24'] |
4,373 | ['eng'] | ['Abreu, E M C', 'Neto, J A', 'Oliveira, W'] | ['The SU(2) Skyrme model and anomaly'] | ['Particle Physics - Theory'] | ['Skyrme model', 'symmetry, SU(2)', 'anomaly', 'quantization', 'regularization', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912234'] | ['The SU(2) Skyrme model,expanding in the collective coordinates variables, gives rise to second-class constraints. Recently this system was embedded in a more general Abelian gauge theory using the BFFT Hamiltonian method. In this work we quantize this gauge theory computing the Noether current anomaly using for this ... | ['1999-12-24'] |
4,374 | ['eng'] | ['Sasaki, M', 'Shiromizu, T', 'Maeda, K I'] | ['Gravity, Stability and Energy Conservation on the Randall-Sundrum Brane-World'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'space-time, de Sitter', 'dimension, 5', 'Einstein equation, solution', 'membrane model', 'perturbation theory', 'stability', 'propagator', 'energy, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912233'] | ["We carefully investigate the gravitational perturbation of the Randall-Sundrum (RS) single brane-world solution [hep-th/9906064], based on a covariant curvature tensor formalism recently developed by us. Using this curvature formalism, it is known that the `electric' part of the 5-dimensional Weyl tensor, denoted by ... | ['1999-12-24'] |
4,375 | ['eng'] | ['Bajc, B', 'Gabadadze, Gregory T'] | ['Localization of Matter and Cosmological Constant on a Brane in Anti de Sitter Space'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'astrophysics, fundamental constant', 'membrane model', 'field theory, vector', 'fermion', 'spin, 1/2', 'spin, 3/2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912232'] | ["We study two issues, the localization of various spin fields, and the problem of the cosmological constant on a brane in five-dimensional anti de Sitter space. We find that spin-zero fields are localized on a positive-tension brane. In addition to the localized zero-mode there is a continuous tower of states with no ... | ['1999-12-24'] |
4,376 | ['eng'] | ['De Souza-Dutra, A', 'Natividade, C P'] | ['Class of self-dual models in three dimensions'] | ['Particle Physics - Theory'] | ['field theory, vector', 'dimension, 3', 'duality', 'path integral', 'correlation function', 'charge, screening', 'flux, magnetic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002114'] | ["In the present paper we introduce a hierarquical class of self-dual models inthree dimensions, inspired in the original self-dual theory ofTowsend-Pilch-Nieuwenhuizen. The basic strategy is to explore the powerfulproperty of the duality transformations in order to generate a new field. Thegeneralized propagator can b... | ['2000-02-15'] |
4,377 | ['eng'] | ['Trayling, G'] | ['A Geometric Approach to the Standard Model'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3) x SU(2) x U(1)', 'fermion', 'Higgs model', 'grand unified theory, SU(5)', 'algebra, Clifford', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912231'] | ['A geometric approach to the standard model in terms of the Clifford algebra $% C\\ell_{7}$ is advanced. The gauge symmetries and charge assignments of the fundamental fermions are seen to arise from a simple geometric model involving extra space-like dimensions. The bare coupling constants are found to obey $g_{s}/g=... | ['1999-12-23'] |
4,378 | ['eng'] | ['Leontaris, George K', 'Mavromatos, Nikolaos E'] | ['A mass hierarchy from recoiling D branes'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'membrane model, D-brane', 'dimension, 5', 'dimension, 4', 'Kaluza-Klein model', 'Schroedinger equation, solution', 'mass, hierarchy', 'graviton, excited state', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912230'] | ['Using conformal field theory methods we construct a metric that describes the distortion of space-time surrounding a D(irichlet)-brane (solitonic) defect after being struck by another D-brane. By viewing our four-dimensional universe as such a struck brane, embedded in a five-dimensional space-time, we argue on the a... | ['1999-12-23'] |
4,379 | ['eng'] | ['Sakamoto, M', 'Tachibana, M', 'Takenaga, K'] | ['A New Mechanism of Spontaneous SUSY Breaking'] | ['Particle Physics - Theory'] | ['supersymmetry', 'symmetry, spontaneously broken', 'field theory, action', 'mass spectrum', 'symmetry, Z(2)', 'symmetry, U(1)', 'vacuum state', 'fermion, Goldstone particle', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912229'] | ['We propose a new mechanism of spontaneous supersymmetry breaking. The existence of extra dimensions with nontrivial topology plays an important role. We investigate new features resulted from the mechanism in two simple supersymmetric Z_2 and U(1) models. One of remarkable features is that there exists a phase in whi... | ['1999-12-23'] |
4,380 | ['eng'] | ['Bohm, A R', 'Harshman, N L', 'Mithaiwala, M J'] | ['Relativistic Resonances, Relativistic Gamow Vectors and Representations of the Poincaré Semigroup'] | ['Particle Physics - Theory'] | ['talk, Goslar 1999/07/18', 'quantum mechanics, relativistic', 'S-matrix', 'symmetry, transformation', 'group theory, Poincare', 'resonance', 'analytic properties', 'Hilbert space', 'time, asymmetry', 'vector, Gamow'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912228'] | ["The foundations of time asymmetric quantum theory are reviewed and are applied to the construction of relativistic Gamow vectors. Relativistic Gamow vectors are obtained from the resonance pole of the S-matrix and furnish an irreducible representation of the Poincare' semigroup. They have all the properties needed to... | ['1999-12-23'] |
4,381 | ['eng'] | ['Bonelli, G', 'Bonora, L', 'Terna, S', 'Tomasiello, A'] | ['Instantons and scattering in N=4 SYM in 4D'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry', 'instanton', 'fluctuation', 'zero mode', 'fibre bundle', 'membrane model, scattering', 'approximation, strong coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912227'] | ['We study classical solutions (ic-instantons) in N=4 SYM in 4D which, in the strong coupling limit, correspond to complex two-dimensional manifolds. Asymptotically in time the latter have boundaries represented by compact real three-manifolds. Therefore they lend themselves to an interpretation in terms of 3-brane sca... | ['1999-12-23'] |
4,382 | ['eng'] | ['Baerwald, O', 'West, Peter C'] | ['Brane Rotating Symmetries and the Fivebrane Equations of Motion'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'field equations', 'symmetry, transformation', 'current, conservation law', 'supersymmetry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912226'] | ["We show that the fully covariant equations of motion for the M-theory fivebrane can be interpreted as charge conservation equations. The associated charges induce `shift'-symmetries of the scalar, spinor and gauge-fields of the fivebrane, so allowing an interpretation of all these fields as Goldstone fields. We also ... | ['1999-12-23'] |
4,383 | ['eng'] | ['de Wit, B', 'Lüst, Dieter'] | ['BPS Amplitudes, Helicity Supertraces and Membranes in M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model', 'soliton, BPS', 'scattering amplitude, higher-order', 'helicity', 'particle, multiplet', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912225'] | ['We study BPS dominated loop amplitudes in M-theory on T^2. For this purpose we generalize the concept of helicity supertraces to nine spacetime dimensions. These traces distinguish between various massive supermultiplets and appear as coefficients in their one-loop contributions to n-graviton scattering amplitudes. T... | ['1999-12-23'] |
4,384 | ['eng'] | ['Damour, Thibault Marie Alban Guillaume'] | ['Strings and black holes'] | ['Particle Physics - Theory'] | ['talk, Weimar 1999/09/12', 'string model', 'string, open', 'black hole', 'entropy', 'mass spectrum', 'gravitation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912224'] | ["I review some recent work (done in collaboration with G. Veneziano) which clarifies the existence of a correspondence between self-gravitating fundamental string states and Schwarzschild black holes. The main result is a detailed calculation showing that self-gravity causes a typical string state of mass M to shrink,... | ['1999-12-23'] |
4,385 | ['eng'] | ['Klich, I', 'Romeo, A'] | ['Regularized Casimir energy for an infinite dielectric cylinder subject to light-velocity conservation'] | ['Particle Physics - Theory'] | ['space-time, cylinder', 'cylinder, dielectric', 'energy, Casimir', 'regularization, zeta function', 'perturbation theory, higher-order', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912223'] | ['The Casimir energy of a dilute dielectric cylinder, with the same light-velocity as in its surrounding medium, is evaluated exactly to first order in $\\xi^2$ and numerically to higher orders in $\\xi^2$. The first part is carried out using addition formulas for Bessel functions, and no Debye expansions are required.... | ['1999-12-23'] |
4,386 | ['eng'] | ['Delduc, F', 'Ivanov, E', 'Krivonos, S'] | ['1/4 Partial Breaking of Global Supersymmetry and New Superparticle Actions'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'supersymmetry, fractional', 'supersymmetry, superfield', 'symmetry, spontaneously broken', 'transformation, nonlinear', 'particle, relativistic', 'mechanics, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912222'] | ['We construct the worldline superfield massive superparticle actions which preserve 1/4 portion of the underlying higher-dimensional supersymmetry. The rest of supersymmetry is spontaneously broken and realized by nonlinear transformations. We consider the cases of N=4 to N=1 and N=8 to N=2 partial breaking. In the fi... | ['1999-12-23'] |
4,387 | ['eng'] | ['Wulkenhaar, R'] | ['Introduction to Hopf algebras in renormalization and noncommutative geometry'] | ['Particle Physics - Theory'] | ['talk, Hesselberg 1999/03/14', 'differential geometry, noncommutative', 'algebra, Hopf', 'renormalization', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912221'] | ['We review the appearance of Hopf algebras in the renormalization of quantum field theories and in the study of diffeomorphisms of the frame bundle important for index computations in noncommutative geometry.'] | ['1999-12-23'] |
4,388 | ['eng'] | ['Wulkenhaar, R'] | ['On Feynman graphs as elements of a Hopf algebra'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'algebra, Hopf', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912220'] | ["We review Kreimer's construction of a Hopf algebra associated to the Feynman graphs of a perturbative quantum field theory."] | ['1999-12-23'] |
4,389 | ['eng'] | ['Schlingemann, D'] | ['Application of Tomita-Takesaki theory in algebraic euclidean field theories'] | ['Particle Physics - Theory'] | ['field theory, Euclidean', 'axiomatic field theory', 'algebra, C*', 'operator, algebra', 'invariance, CPT', 'Hilbert space', 'group theory, Poincare'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912219'] | ['The construction of the known interacting quantum field theory models is mostly based on euclidean techniques. The expectation values of interesting quantities are usually given in terms of euclidean correlation functions from which one should be able to extract information about the behavior of the correlation funct... | ['1999-12-23'] |
4,390 | ['eng'] | ['Pradisi, G'] | ['Type I Vacua from Diagonal $Z_{3}$-Orbifolds'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification', 'orbifold, Z(3)', 'vacuum state', 'invariance, modular', 'supersymmetry', 'particle, multiplet', 'particle, massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912218'] | ['We discuss the open descendants of diagonal irrational Z_3 orbifolds, starting from the c=2 case and analyzing six-dimensional and four-dimensional models. As recently argued, their consistency is linked to the presence of geometric discrete moduli. The different classes of open descendants, related to different reso... | ['1999-12-23'] |
4,391 | ['eng'] | ['Bonora, L', 'Rinaldi, M'] | ['Normal Bundles, Pfaffians and Anomalies'] | ['Particle Physics - Theory'] | ['membrane model', 'algebra, Clifford', 'fibre bundle', 'anomaly, chiral', 'anomaly, diffeomorphism', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912214'] | ['We deal with the problem of diffeomorphism anomaly in theories with branes. In particular we thoroughly analyze the problem of the residual chiral anomaly of a five-brane immersed in M-theory, paying attention to its global formulation in the five-brane world-volume. We conclude that the anomaly can be canceled by a ... | ['1999-12-23'] |
4,392 | ['eng'] | ['Wang, P', 'Yue, R'] | ['Rotation of D-brane and Non-commutative Geometry'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'differential geometry, noncommutative', 'fluctuation', 'uncertainty relations', 'partition function', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912213'] | ['Our motivation is to find the relationship between the commutator of coordinates and uncertainty relation involving only the coordinates. The boundary condition with constant background field is connected with the rotation of D-brane at general angle. And the mode expansions of D-brane we found is more reasonable tha... | ['1999-12-23'] |
4,393 | ['eng'] | ['Schwarz, A'] | ['Noncommutative supergeometry and duality'] | ['Particle Physics - Theory'] | ['supersymmetry, geometry', 'supersymmetry, algebra', 'differential geometry, noncommutative', 'commutation relations', 'gauge field theory', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912212'] | ['We introduce a notion of Q-algebra that can be considered as a generalization of the notion of Q-manifold (a supermanifold equipped with an odd vector field obeying {Q,Q} =0). We develop the theory of connections on modules over Q-algebras and prove a general duality theorem for gauge theories on such modules. This t... | ['1999-12-23'] |
4,394 | ['eng'] | ['Gani, V A', 'Kudryavtsev, A E'] | ['Non-BPS domain wall configurations in a supersymmetric model'] | ['Particle Physics - Theory'] | ['supersymmetry', 'soliton, BPS', 'domain wall, interaction', 'time dependence', 'Hamiltonian formalism', 'energy', 'vacuum state', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912211'] | ['We study the time evolution of configurations in the form of two parallel domain walls moving towards each other in a supersymmetric field model. The configurations involved are not BPS-saturated. It is found that for such collisions there exists some critical value $v_{cr}\\approx0.9120$ of the initial velocity v_i ... | ['1999-12-23'] |
4,395 | ['eng'] | ['Arutyunov, G E', 'Frolov, S'] | ['Scalar Quartic Couplings in Type IIB Supergravity on $AdS_{5}$ $S^{5}$'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'space-time, anti-de Sitter', 'dimensional reduction', 'Kaluza-Klein model', 'dimension, 5', 'n-point function', 'perturbation theory, higher-order', 'renormalization', 'field theory, action', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912210'] | ['All quartic couplings of scalar fields $s^I$ that are dual to extended chiral primary operators in ${\\cal N}=4$ SYM$_4$ are derived by using the covariant equations of motion for type IIB supergravity on $AdS_5\\times S^5$. It is shown that despite all expectations if one keeps the structure of the cubic terms untou... | ['1999-12-22'] |
4,396 | ['eng'] | ['Danielsson, U H', 'Keski-Vakkuri, E', 'Kruczenski, M'] | ['Black Hole Formation in AdS and Thermalization on the Boundary'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, scalar', 'propagator', 'black hole', 'analytic properties', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912209'] | ['We investigate black hole formation by a spherically collapsing thin shell of matter in AdS space. This process has been suggested to have a holographic interpretation as thermalization of the CFT on the boundary of the AdS space. The AdS/CFT duality relates the shell in the bulk to an off-equilibrium state of the bo... | ['1999-12-22'] |
4,397 | ['eng'] | ['Donagi, R Y', 'Ovrut, B A', 'Pantev, T', 'Waldram, D'] | ['Standard Models from Heterotic M-theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3) x SU(2) x U(1)', 'supersymmetry', 'field theory, Calabi-Yau', 'geometry, algebra', 'duality', 'fibre bundle', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912208'] | ["We present a class of N=1 supersymmetric models of particle physics, derived directly from heterotic M-theory, that contain three families of chiral quarks and leptons coupled to the gauge group $SU(3)_C\\times SU(2)_{L}\\times U(1)_{Y}$. These models are a fundamental form of ``brane-world'' theories, with an observ... | ['1999-12-22'] |
4,398 | ['eng'] | ['Magnea, U'] | ['Three-dimensional QCD in the adjoint representation and random matrix theory'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'fermion, flavor', 'fermion, Majorana', 'fermion, determinant', 'dimension, 3', 'parity', 'partition function', 'sum rule', 'matrix model, random', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912207'] | ["In this paper we complete the derivations of finite volume partition functions for QCD using random matrix theories by calculating the effective low-energy partition function for three-dimensional QCD in the adjoint representation from a random matrix theory with the same global symmetries. As expected, this case cor... | ['1999-12-22'] |
4,399 | ['eng'] | ['Lalak, Z', 'Lavignac, Stephane', 'Nilles, Hans Peter'] | ['Target-Space Duality in Heterotic and Type I Effective Lagrangians'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective Lagrangian', 'supergravity', 'moduli space', 'perturbation theory, higher-order', 'anomaly', 'duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9912206'] | ['We study the implications of target-space duality symmetries for low-energy effective actions of various four-dimensional string theories. In the heterotic case such symmetries can be incorporated in simple orbifold examples. At present a similar statement cannot be made about the simplest type IIB orientifolds due t... | ['1999-12-22'] |
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