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 |
|---|---|---|---|---|---|---|---|---|
5,500 | ['eng'] | ['Bulgadaev, S A'] | ['Topological phase transitions in two-dimensional systems with internal symmetries'] | ['Particle Physics - Theory'] | ['talk, Dresden 1999/07/22', 'dimension, 2', 'XY model', 'sigma model, nonlinear', 'duality', 'effective action', 'topology, defect', 'critical phenomena', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907195'] | ['Possible generalizations of the topological (or Berezinskii-Kosterlitz-Thouless) phase transition on multicomponent 2D systems with nontrivial vector homotopic group pi_1 are considered. Relations between Ginzburg-Landau like theories, non-linear sigma-models on maximal Cartan subgroups of simple compact Lie groups a... | ['1999-07-28'] |
5,501 | ['eng'] | ['Laine, Mikko', 'Shaposhnikov, M E'] | ['An all-order discontinuity at the electroweak phase transition'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'critical phenomena', 'gauge field theory, SU(2) x U(1)', 'dimension, 3', 'mass, topological', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907194'] | ["We define a non-local gauge-invariant Green's function which can distinguish between the symmetric (confinement) and broken (Higgs) phases of the hot SU(2)xU(1) electroweak theory to all orders in the perturbative expansion. It is related to the coupling of the Chern-Simons number to a massless Abelian gauge field. T... | ['1999-07-28'] |
5,502 | ['eng'] | ['Nesterenko, V V', 'Pirozhenko, I G'] | ['Casimir energy of a compact cylinder under the condition $\\epsilon \\mu = c^{-2}$'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'boundary condition, cylinder', 'quark, confinement', 'flux tube', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907192'] | ['The Casimir energy of an infinite compact cylinder placed in a uniform unbounded medium is investigated under the continuity condition for the light velocity when crossing the interface. As a characteristic parameter in the problem the ratio $\\xi^2=(\\epsilon_1- \\epsilon_2)^2/(\\epsilon_1+\\epsilon_2)^- 2= (\\mu_1-... | ['1999-07-28'] |
5,503 | ['eng'] | ['Michelson, J', 'Strominger, A'] | ['The Geometry of (Super) Conformal Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'sigma model, nonlinear', 'algebra, Poincare', 'algebra, OSp(1/2)', 'operator, algebra', 'torsion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907191'] | ['N-particle quantum mechanics described by a sigma model with an N-dimensional target space with torsion is considered. It is shown that an SL(2,R) conformal symmetry exists if and only if the geometry admits a homothetic Killing vector $D^a$ whose associated one-form $D_a$ is closed. Further, the SL(2,R) can always b... | ['1999-07-28'] |
5,504 | ['eng'] | ['Dunne, G V', 'Schubert, C'] | ['Two-Loop Euler-Heisenberg QED Pair-Production Rate'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion, pair production', 'perturbation theory, higher-order', 'higher-order, 2', 'effective Lagrangian', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907190'] | ['We study the divergence of large-order perturbation theory in the worldline expression for the two-loop Euler-Heisenberg QED effective Lagrangian in a constant magnetic field. The leading rate of divergence is identical, up to an overall factor, to that of the one-loop case. From this we deduce, using Borel summation... | ['1999-07-27'] |
5,505 | ['eng'] | ['Freed, D S', 'Witten, Edward'] | ['Anomalies in String Theory with D-Branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, D-brane', 'anomaly', 'path integral', 'fibre bundle', 'Riemann surfaces', 'charge, topological', 'index theorem', 'field theory, tensor', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907189'] | ['We analyze global anomalies for elementary Type II strings in the presence of D-branes. Global anomaly cancellation gives a restriction on the D-brane topology. This restriction makes possible the interpretation of D-brane charge as an element of K-theory.'] | ['1999-07-27'] |
5,506 | ['eng'] | ['Burgess, C P', 'Constable, N R', 'Myers, R C'] | ['The Free Energy of N=4 Super-Yang-Mills and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'field theory, anti-de Sitter', 'field theory, conformal', 'finite temperature, high', 'energy', 'approximation, weak coupling', 'duality', 'approximation, strong coupling', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907188'] | ["We compute the high-temperature limit of the free energy for four-dimensional N=4 supersymmetric SU(N_c) Yang-Mills theory. At weak coupling we do so for a general ultrastatic background spacetime, and in the presence of slowly-varying background gauge fields. Using Maldacena's conjectured duality, we calculate the s... | ['1999-07-27'] |
5,507 | ['eng'] | ['Lemos, J P S', 'Kerner, R'] | ['The Born-Infeld electromagnetism in Kaluza-Klein theory'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'Born-Infeld model', 'dimension, >4', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907187'] | ['We investigate the properties of non-linear electromagnetism based on the Born-Infeld Lagrangian in multi-dimensional theories of Kaluza-Klein type. We consider flat space-time solutions only, which means that the space-time metric is constant, and the only supplementary variable is the dilaton field, a scalar. We sh... | ['1999-07-27'] |
5,508 | ['eng'] | ['Beasley, C', 'Greene, Brian R', 'Lazaroiu, C I', 'Plesser, M R'] | ['D3-branes on partial resolutions of abelian quotient singularities of Calabi-Yau threefolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'field theory, Calabi-Yau', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907186'] | ['We investigate field theories on the worldvolume of a D3-brane transverse to partial resolutions of a $\\Z_3\\times\\Z_3$ Calabi-Yau threefold quotient singularity. We deduce the field content and lagrangian of such theories and present a systematic method for mapping the moment map levels characterizing the partial ... | ['1999-07-27'] |
5,509 | ['eng'] | ['Infante, M P', 'Sánchez, N'] | ['The Primordial Gravitational Wave Background in String Cosmology'] | ['Particle Physics - Theory'] | ['gravitational radiation', 'spectra, background', 'string model', 'inflationary universe', 'spectra, graviton', 'dilaton', 'effective action', 'energy, density', 'asymptotic behavior', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907185'] | ['We find the spectrum P(w)dw of the gravitational wave background produced in the early universe in string theory. We work in the framework of String Driven Cosmology, whose scale factors are computed with the low-energy effective string equations as well as selfconsistent solutions of General Relativity with a gas of... | ['1999-07-27'] |
5,510 | ['eng'] | ['Antoniadis, Ignatios', "D'Appollonio, G", 'Dudas, E A', 'Sagnotti, A'] | ['Open Descendants of $Z_{2} \\times Z_{2}$ Freely-Acting Orbifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'symmetry, Z(2) x Z(2)', 'phase space, lattice', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907184'] | ['We discuss Z_2 \\times Z_2 orientifolds where the orbifold twists are accompanied by shifts on momentum or winding lattice states. The models contain variable numbers of D5 branes, whose massless (and, at times, even massive) modes have variable numbers of supersymmetries. We display new type-I models with partial su... | ['1999-07-27'] |
5,511 | ['eng'] | ['García-Compéan, H', 'Plebanski, J F'] | ['D-branes on Group Manifolds and Deformation Quantization'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'quantization, deformation', 'Hamiltonian formalism', 'group theory, geometrical', 'Wess-Zumino-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907183'] | ["Recently M. Kontsevich found a combinatorial formula defining a star-product of deformation quantization for any Poisson manifold. Kontsevich's formula has been reinterpreted physically as quantum correlation functions of a topological sigma model for open strings as well as in the context of D-branes in flat backgro... | ['1999-07-27'] |
5,512 | ['eng'] | ['Shabanov, S V'] | ['Yang-Mills theory as an Abelian theory without gauge fixing'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'transformation, nonlocal', 'gauge field theory, abelian', 'duality', 'gauge field theory, SU(N)', 'homotopy', 'magnetic monopole', 'parametrization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907182'] | ["A general procedure to reveal an Abelian structure of Yang-Mills theories by means of a (nonlocal) change of variables, rather than by gauge fixing, in the space of connections is proposed. The Abelian gauge group is isomorphic to the maximal Abelian subgroup of the Yang-Mills gauge group, but not its subgroup. A Max... | ['1999-07-27'] |
5,513 | ['eng'] | ['Mangiarotti, L', 'Sardanashvily, G'] | ['The Koszul-Tate Cohomology in Covariant Hamiltonian Formalism'] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'fibre bundle', 'constraint', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907181'] | ['We show that, in the framework of covariant Hamiltonian field theory, a degenerate almost regular quadratic Lagrangian $L$ admits a complete set of non-degenerate Hamiltonian forms such that solutions of the corresponding Hamilton equations, which live in the Lagrangian constraint space, exhaust solutions of the Eule... | ['1999-07-26'] |
5,514 | ['eng'] | ['Faddeev, L D', 'Niemi, Antti J'] | ['Decomposing the Yang-Mills Field'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'differential forms', 'coset space, SU(N)/U(1)**(N-1)', 'Darboux theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907180'] | ['Recently we have proposed a set of variables for describing the physical parameters of SU(N) Yang--Mills field. Here we propose an off-shell generalization of our Ansatz. For this we envoke the Darboux theorem to decompose arbitrary one-form with respect to some basis of one-forms. After a partial gauge fixing we ide... | ['1999-07-26'] |
5,515 | ['eng'] | ['Chaudhuri, S'] | ['Path integral evaluation of D-brane amplitudes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'path integral, measure', 'scattering amplitude', 'dependence, moduli', 'vector, Killing'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907179'] | ["We extend Polchinski's evaluation of the measure for the one-loop closed string path integral to open string tree amplitudes with boundaries and crosscaps embedded in Dbranes. We explain how the nonabelian limit of near-coincident Dbranes emerges in the path integral formalism. We give a careful path integral derivat... | ['1999-07-26'] |
5,516 | ['eng'] | ['Giveon, Amit', 'Kutasov, D', 'Pelc, O'] | ['Holography for Non-Critical Superstrings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'field theory, Calabi-Yau', 'field theory, conformal', 'field theory, anti-de Sitter', 'duality', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907178'] | ["We argue that a class of ``non-critical superstring'' vacua is holographically related to the (non-gravitational) theory obtained by studying string theory on a singular Calabi-Yau manifold in the decoupling limit $g_s\\to 0$. In two dimensions, adding fundamental strings at the singularity of the CY manifold leads t... | ['1999-07-23'] |
5,517 | ['eng'] | ['Janik, R A', 'Peschanski, R'] | ['High energy scattering and the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, conformal', 'field theory, anti-de Sitter', 'scattering amplitude', 'Wilson loop', 'correlation function', 'dilaton', 'field theory, tensor', 'graviton, exchange', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907177'] | ["We consider small angle and large impact parameter high energy scattering of colourless states in SYM using the AdS/CFT correspondence. The gauge theory scattering amplitude is linked with a correlation function of tilted Wilson loops, which can be calculated by the exchange of bulk supergravity fields between the tw... | ['1999-07-23'] |
5,518 | ['eng'] | ['Haller, K', 'Chen, L', 'Choi, Y S'] | ['Topology of the gauge-invariant gauge field in two-color QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'temporal gauge', 'Gauss law', 'topology', 'transformation, gauge', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907176'] | ["We investigate solutions to a nonlinear integral equation which has a central role in implementing the non-Abelian Gauss's Law and in constructing gauge-invariant quark and gluon fields. Here we concern ourselves with solutions to this same equation that are not operator-valued, but are functions of spatial variables... | ['1999-07-23'] |
5,519 | ['eng'] | ['Gómez, C', 'Silva, P J'] | ['T-duality and The Gravitational Description Of Gauge Theories'] | ['Particle Physics - Theory'] | ['lectures, Schladming 1999/01/09', 'sigma model, nonlinear', 'supergravity', 'gauge field theory, Yang-Mills', 'duality', 'membrane model, D-brane', 'Riemann surfaces', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907175'] | ['Review of some basic features on the relation between supergravity and pure gauge theories with special emphasis on the relation between T-duality and supersymmetry. Some new results concerning the interplay between T-duality and near horizon geometries are presented'] | ['1999-07-23'] |
5,520 | ['eng'] | ['Valtancoli, P'] | ['2+1 AdS Gravity on Riemann Surfaces'] | ['Particle Physics - Theory'] | ['gravitation', 'space-time, anti-de Sitter', 'dimension, 3', 'Riemann surfaces', 'torus', 'sigma model, O(2,1)', 'gauge, conformal', 'time, translation', 'black hole, scattering'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907174'] | ['We discuss a formalism for solving (2+1) AdS gravity on Riemann surfaces. In the torus case the equations of motion are solved by two functions f and g, solutions of two independent O(2,1) sigma models, which are distinct because their first integrals contain a different time dependent phase factor. We then show that... | ['1999-07-23'] |
5,521 | ['eng'] | ['Valtancoli, P'] | ['Perturbative Analysis of the Two-body Problem in (2+1)-AdS gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'space-time, anti-de Sitter', 'dimension, 3', 'scattering, two-particle', 'perturbation theory', 'group theory, O(2,2)', 'monodromy', 'group theory, O(2,1)', 'gauge, conformal', 'Einstein equation', 'astrophysics, fundamental constant', 'black hole, scattering', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907173'] | ['We derive a perturbative scheme to treat the interaction between point sources and AdS-gravity. The interaction problem is equivalent to the search of a polydromic mapping $X^A= X^A(x^\\mu)$, endowed with 0(2,2) monodromies, between the physical coordinate system and a Minkowskian 4-dimensional coordinate system, whi... | ['1999-07-23'] |
5,522 | ['eng'] | ['Hadasz, L'] | ['Casimir energy of the Nambu-Goto string with Gauss-Bonnet term and point-like masses at the ends'] | ['Particle Physics - Theory'] | ['string model', 'energy, Casimir', 'Gauss-Bonnet term', 'field theory, Liouville'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907172'] | ['We calculate (using zeta function regularization) the Casimir energy of the rotating Nambu-Goto string with the Gauss-Bonnet term in the action and point-like masses at the ends. The resulting value turns out to be negative for all values of the parameters of the model.'] | ['1999-07-23'] |
5,523 | ['eng'] | ['Bowcock, P', 'Feigin, B L', 'Semikhatov, A M', 'Taormina, A'] | ['$\\widehat{sl}(2|1)$ and $\\widehat{D}(2|1;\\alpha)$ Vertex Operator Extensions of Dual Affine sl(2) Algebras'] | ['Particle Physics - Theory'] | ['algebra, SL(2|1)', 'algebra, SL(2)', 'algebra, affine', 'algebra, representation', 'operator, vertex', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907171'] | ["We discover a realisation of the affine Lie superalgebra sl(2|1) and of the exceptional affine superalgebra D(2|1;alpha) as vertex operator extensions of two affine sl(2) algebras with dual levels (and an auxiliary level 1 sl(2) algebra). The duality relation between the levels is (k+1)(k'+1)=1. We construct the repr... | ['1999-07-22'] |
5,524 | ['eng'] | ['Baerwald, O', 'Lambert, N D', 'West, Peter C'] | ['A Calibration Bound for the M-Theory Fivebrane'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'supersymmetry', 'energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907170'] | ['We construct a covariant bound on the energy-momentum of the M-fivebrane which is saturated by all supersymmetric configurations. This leads to a generalised notion of a calibrated geometry for M-fivebranes when the worldvolume gauge field is non-zero. The generalisation relevant for Dp-branes is also given.'] | ['1999-07-22'] |
5,525 | ['eng'] | ['Erdmenger, J', 'Rupp, C', 'Sibold, K'] | ['Superconformal Transformation Properties of the Supercurrent; 2, Abelian Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'supersymmetry, transformation', 'invariance, conformal', 'current', 'superspace', 'supersymmetry, current', 'quantum electrodynamics', 'invariance, gauge', 'anomaly', 'renormalization group', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907169'] | ['We derive the superconformal transformation properties of the supercurrent for N=1 supersymmetric QED in four dimensions within the superfield formalism. Superconformal Ward identities for Green functions involving insertions of the supercurrent are conveniently derived by coupling the supercurrent to the appropriate... | ['1999-07-22'] |
5,526 | ['eng'] | ['Kleinert, H', 'Pelster, A', 'Kastening, B', 'Bachmann, M'] | ['Recursive Graphical Construction of Feynman Diagrams and Their Multiplicities in $\\phi^{4}$ and in $\\phi ^{2}A$- Theory'] | ['Particle Physics - Theory'] | ['phi**n model, 2', 'phi**n model, 4', 'any-dimensional', 'field theory, Euclidean', 'Feynman graph, higher-order', 'path integral', 'programming'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907168'] | ['The free energy of a field theory can be considered as a functional of the free correlation function. As such it obeys a nonlinear functional differential equation which can be turned into a recursion relation. This is solved order by order in the coupling constant to find all connected vacuum diagrams with their pro... | ['1999-07-22'] |
5,527 | ['eng'] | ['Hashimoto, A', 'Itzhaki, N'] | ['Non-Commutative Yang-Mills and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, anti-de Sitter', 'field theory, conformal', 'any-dimensional', 'supergravity', 'duality', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907166'] | ["We study the non-commutative supersymmetric Yang-Mills theory at strong coupling using the AdS/CFT correspondence. The supergravity description and the UV/IR relation confirms the expectation that the non-commutativity affects the ultra-violet but not the infra-red of the Yang-Mills dynamics. We show that the supergr... | ['1999-07-21'] |
5,528 | ['eng'] | ['Lozano, C', 'Marino, M'] | ['Donaldson invariants of product ruled surfaces and two-dimensional gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 2', 'geometry, algebra', 'Donaldson theory', 'fibre bundle', 'moduli space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907165'] | ["Using the u-plane integral of Moore and Witten, we derive a simple expression for the Donaldson invariants of $\\Sigma_g \\times S^2$, where $\\Sigma_g$ is a Riemann surface of genus g. This expression generalizes a theorem of Morgan and Szabo for g=1 to any genus g. We give two applications of our results: (1) We de... | ['1999-07-21'] |
5,529 | ['eng'] | ['Sen, A', 'Zwiebach, B'] | ['Stable Non-BPS States in F- theory'] | ['Particle Physics - Theory'] | ['F-theory', 'field theory, Kaehler', 'soliton, BPS', 'membrane model, p-brane', 'p-brane, 7', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907164'] | ['F-theory on K3 admits non-BPS states that are represented as string junctions extending between 7-branes. We classify the non-BPS states which are guaranteed to be stable on account of charge conservation and the existence of a region of moduli space where the 7-branes supporting the junction can be isolated from the... | ['1999-07-21'] |
5,530 | ['eng'] | ['Prestidge, T'] | ['Dynamic and Thermodynamic Stability and Negative Modes in Schwarzschild-Anti-de Sitter'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space-time, Schwarzschild', 'black hole', 'thermodynamics', 'temperature, dependence', 'stability', 'energy spectrum', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907163'] | ['The thermodynamic properties of Schwarzschild-anti-de Sitter black holes confined within finite isothermal cavities are examined. In contrast to the Schwarzschild case, the infinite cavity limit may be taken which, if suitably stated, remains double valued. This allows the correspondence between non-existence of nega... | ['1999-07-21'] |
5,531 | ['eng'] | ['Banerjee, H'] | ['Chiral Anomalies In Field Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, chiral', 'anomaly', 'perturbation theory, higher-order', 'Ward identity', 'current, conservation law', 'strong interaction, CP', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907162'] | ['The role of the contribution from the fermion mass term in the axial vector Ward identity in generating the U(1) axial anomaly, both local and global, is elucidated. Gauge invariance requires the fermion to decouple from the gauge field if it is very heavy. This identifies the Adler-Bell-Jackiw (ABJ) anomaly with the... | ['1999-07-21'] |
5,532 | ['eng'] | ['Kempf, A'] | ['Unsharp Degrees of Freedom and the Generating of Symmetries'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'uncertainty relations', 'phase space, Hilbert space', 'operator', 'symmetry, transformation', 'isospin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907160'] | ['In quantum theory, real degrees of freedom are usually described by operators which are self-adjoint. There are, however, exceptions to the rule. This is because, in infinite dimensional Hilbert spaces, an operator is not necessarily self-adjoint even if its expectation values are real. Instead, the operator may be m... | ['1999-07-20'] |
5,533 | ['eng'] | ['Nolland, D', 'Mansfield, P'] | ['The Schrödinger Representation for Fermions and a Local Expansion of the Schwinger Model'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'Schroedinger equation', 'wave function', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907159'] | ['We discuss the functional representation of fermions, and obtain exact expressions for wave-functionals of the Schwinger model. Known features of the model such as bosonization and the vacuum angle arise naturally. Contrary to expectations, the vacuum wave-functional does not simplify at large distances, but it may b... | ['1999-07-20'] |
5,534 | ['eng'] | ['Alvarez, Enrique', 'Gómez, C'] | ['The Confining String from the Soft Dilaton Theorem'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'background field, string', 'scattering amplitude, higher-order', 'dilaton', 'membrane model, D-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907158'] | ['A candidate for the confining string of gauge theories is constructed via a representation of the ultraviolet divergences of quantum field theory by a closed string dilaton insertion, computed through the soft dilaton theorem. The resulting (critical) confining string is conformally invariant, singles out naturally $... | ['1999-07-20'] |
5,535 | ['eng'] | ['Ioannidou, T A', 'Sutcliffe, P M'] | ['Non-BPS String Junctions and Dyons in N=4 Super-Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'dyon', 'symmetry, rotational', 'string'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907157'] | ['We construct non-BPS dyon solutions of N=4 SU(n) supersymmetric Yang-Mills theory. These solutions are the worldvolume solitons which describe non-BPS Type IIB non-planar string junctions connecting n parallel D3-branes. The solutions are smooth deformations of the 1/4 BPS states which describe planar string junction... | ['1999-07-20'] |
5,536 | ['eng'] | ['Ioannidou, T A', 'Papadopoulos, G J', 'Sutcliffe, P M'] | ['Non-BPS D-Branes from $\\sigma$ Model Solitons'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'sigma model, soliton', 'membrane model, D-brane', 'string model', 'Born-Infeld model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907156'] | ['We show that some CPn sigma model solitons can be interpreted as wrapped D-branes on the holomorphic homology cycles of CPn by verifying that the latter solve the field equations of Dirac-Born-Infeld actions in certain supergravity backgrounds. Furthermore, we prove that the non-BPS soliton/anti-soliton solutions of ... | ['1999-07-20'] |
5,537 | ['eng'] | ['Green, M B', 'Gutperle, M', 'Kwon, H'] | ['Light-cone Quantum Mechanics of the Eleven-dimensional Superparticle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'supersymmetry, superfield', 'supersymmetry, transformation', 'dimension, 11', 'supergravity', 'light cone gauge', 'operator, vertex', 'dimensional reduction', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907155'] | ['The linearized interactions of eleven-dimensional supergravity are obtained in a manifestly supersymmetric light-cone gauge formalism. These vertices are used to calculate certain one-loop processes involving external gravitini, antisymmetric three-form potentials and gravitons, thereby determining some protected ter... | ['1999-07-20'] |
5,538 | ['eng'] | ['De Pietri, R', 'Freidel, L', 'Krasnov, K V', 'Rovelli, C'] | ['Barrett-Crane model from a Boulatov-Ooguri field theory over a homogeneous space'] | ['Particle Physics - Theory'] | ['matrix model', 'quantum gravity', 'dimension, 2-4', 'partition function', 'space-time, triangulation', 'group theory, geometrical', 'group theory, SO(4)/SO(3)', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907154'] | ["Boulatov and Ooguri have generalized the matrix models of 2d quantum gravity to 3d and 4d, in the form of field theories over group manifolds. We show that the Barrett-Crane quantum gravity model arises naturally from a theory of this type, but restricted to the homogeneous space S^3=SO(4)/SO(3), as a term in its Fey... | ['1999-07-20'] |
5,539 | ['eng'] | ['Kamata, M', 'Nakamula, A'] | ['One-parameter family of selfdual solutions in classical Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'instanton', 'duality', 'analytic properties', 'quaternion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907153'] | ["The ADHM construction, which yields (anti-)selfdual configurations in classical Yang-Mills theories, is applied to an infinite dimensional l^2 vector space, and as a consequence, a family of (anti-)selfdual configurations with a parameter q is obtained for SU(2) Yang-Mills theory. This l^2 formulation can be seen as ... | ['1999-07-20'] |
5,540 | ['eng'] | ['Hassan, S F'] | ['T-Duality, Space-time Spinors and R-R Fields in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, transformation', 'duality, transformation', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907152'] | ["We obtain the T-duality transformations of space-time spinors (the supersymmetry transformation parameters, gravitinos and dilatinos) of type-II theories in curved backgrounds with an isometry. The transformation of the spinor index is shown to be a consequence of the twist that T-duality introduces between the left ... | ['1999-07-20'] |
5,541 | ['eng'] | ['Schwartz, C'] | ['Computations in Large N Matrix Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics, matrix model', 'expansion 1/N', 'Hamiltonian formalism', 'constraint', 'energy', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907151'] | ['The algebraic formulation of Large N matrix mechanics recently developed by Halpern and Schwartz leads to a practical method of numerical computation for both action and Hamiltonian problems. The new technique posits a boundary condition on the planar connected parts X_w, namely that they should decrease rapidly with... | ['1999-07-20'] |
5,542 | ['eng'] | ['Scardigli, F'] | ['Gravity coupling from micro-black holes'] | ['Particle Physics - Theory'] | ['quantum gravity', 'string model', 'black hole', 'radiation, Hawking', 'approximation, quasiclassical', 'energy', 'grand unified theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907150'] | ['Recently much work has been done in lowering the Planck threshold of quantum gravitational effects (sub-millimeter dimension(s), Horava-Witten fifth dimension, strings or branes low energy effects, etc.). With a semi-classical calculation based on Hawking evaporation of planckian micro-black holes, I shall show in th... | ['1999-07-20'] |
5,543 | ['eng'] | ['Bonneau, G'] | ['Non linear $\\sigma$ models'] | ['Particle Physics - Theory'] | ['talk, Cortona 1999/06/01', 'sigma model, nonlinear', 'dimension, 2', 'symmetry, O(N)', 'Ward identity', 'transformation, Becchi-Rouet-Stora', 'perturbation theory, higher-order', 'regularization, dimensional', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907149'] | ['After some recalls on the standard (non)-linear $\\sigma$ model, we discuss the interest of B.R.S. symmetry in non-linear $\\sigma$ models renormalisation. We also emphasise the importance of a correct definition of a theory through physical constraints rather than as given by a particular Lagrangian and discuss some... | ['1999-07-20'] |
5,544 | ['eng'] | ["D'Andrade, M A", 'Rojas, M', 'Toppan, F'] | ['Triality of Majorana-Weyl Spacetimes With Different Signatures'] | ['Particle Physics - Theory'] | ['space-time, Euclidean', 'any-dimensional', 'supersymmetry', 'spinor, Majorana', 'spinor, Weyl', 'triality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907148'] | ['Majorana-Weyl spacetimes offer a rich algebraic setup and new types of space-time dualities besides those discussed by Hull. The triality automorphisms of Spin(8) act non-trivially on Majorana-Weyl representations and Majorana-Weyl spacetimes with different signatures. In particular relations exist among the (1+9)-(5... | ['1999-07-20'] |
5,545 | ['eng'] | ['Pillin, M'] | ['Replica-deformation of the SU(2)-invariant Thirring model via solutions of the qKZ equation'] | ['Particle Physics - Theory'] | ['Thirring model', 'invariance, SU(2)', 'dimension, 2', 'field theory, deformation', 'Knizhnik-Zamolodchikov equation, solution', 'charge, conservation law', 'form factor', 'Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907147'] | ["The response of an integrable QFT under variation of the Unruh temperature has recently been shown to be computable from an S-matrix preserving (`replica') deformation of the form factor approach. We show that replica-deformed form factors of the SU(2)-invariant Thirring model can be found among the solutions of the ... | ['1999-07-20'] |
5,546 | ['eng'] | ['Parvizi, S', 'Fatollahi, A H'] | ['D-Particle Feynman Graphs And Their Amplitudes'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'particle, D-particle', 'Hamiltonian formalism', 'Feynman graph', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907146'] | ['It is argued that quantum traveling of D-particles in the limit $\\alpha\'\\to 0$ presents the "joining-splitting" processes of field theory Feynman graphs. The amplitudes in $d$ dimensions can be corresponded with those of a $d+2$ dimensional theory in the Light-Cone frame. Also it is shown that this Light-Cone form... | ['1999-07-20'] |
5,547 | ['eng'] | ['Ho, P M', 'Ramgoolam, S', 'Tatar, R'] | ['Quantum Spacetimes and Finite N Effects in 4D Super Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'quantum space, anti-de Sitter', 'quantum space, S(5)', 'dimension, 10', 'dimension, 4', 'expansion 1/N', 'operator, chiral', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907145'] | ['The truncation in the number of single-trace chiral primary operators of are elaborated. The model of quantum spacetime we use is $AdS^5_q \\times S^5_q$ for $q$ a root of unity. The quantum sphere is defined as a homogeneous space with manifest $SU_q(3)$ symmetry, but as anticipated from the field theory corresponde... | ['1999-07-20'] |
5,548 | ['eng'] | ['Jevicki, A', 'Mihailescu, M', 'Ramgoolam, S'] | ['Gravity from CFT on $S^{N}(X)$ CFT'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'orbifold', 'space-time, anti-de Sitter', 'dimension, 6', 'gravitation, action', 'field theory, collective', 'algebra, Lie', 'algebra, representation', 'symmetry, chiral', 'expansion 1/N', 'correlation function', 'quantum algebra, SU(2|1,1)', 'algebra, fusion', 'operator product expansion', ... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907144'] | ['The orbifold CFT dual to string theory on $ADS_3 \\times S^3$ allows a construction of gravitational actions based on collective field techniques. We describe a fundamental role played by a Lie algebra constructed from chiral primaries and their CFT conjugates. The leading terms in the algebra at large $N$ are derive... | ['1999-07-20'] |
5,549 | ['eng'] | ['Ghoroku, K'] | ['Yang-Mills theory from non-critical string'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'gravitation', 'field equations, solution', 'transformation, conformal', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907143'] | ["The correspondence of the non-critical string theory and the Yang-Mills theory is examined according to the recent Polyakov's proposal, and two possible solutions of the bulk equations are addressed near the fixed points of the pure Yang-Mills theory: (i) One solution asymptotically approaches to the AdS space at the... | ['1999-07-20'] |
5,550 | ['eng'] | ['Park, I Y'] | ['Fundamental vs. Solitonic Description of D3 branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'background field', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'soliton', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907142'] | ["Type IIB string theory expanded around D3 brane backgrounds describes the dynamics of D3 branes as solitonic objects. On the other hand, there is a fundamental description of them via Polchinski's open strings with Dirichlet boundary conditions. Since these two descriptions describe the dynamics of the same objects, ... | ['1999-07-19'] |
5,551 | ['eng'] | ['Campbell-Smith, A', 'Ellis, Jonathan Richard', 'Mavromatos, Nikolaos E', 'Nanopoulos, Dimitri V'] | ['Light-Cone Broadening and TeV Scale Extra Dimensions'] | ['Particle Physics - Theory'] | ['quantum gravity', 'space-time, foam', 'dimension, >4', 'membrane model, D-brane', 'Kaluza-Klein model', 'string model', 'space-time, model', 'light cone behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907141'] | ["We examine the effect of light--cone broadening induced by quantum--gravity foam in the context of theories with ``large'' extra dimensions stretching between two parallel brane worlds. We consider the propagation of photon probes on one of the branes, including the response to graviton fluctuations, from both field-... | ['1999-07-19'] |
5,552 | ['eng'] | ['Olsen, K', 'Szabo, R J'] | ['Constructing D-Branes from K-Theory'] | ['Particle Physics - Theory'] | ['review', 'membrane model, D-brane', 'string model', 'supersymmetry', 'topology', 'geometry', 'cohomology', 'orbifold', 'duality, transformation', 'spontaneous compactification', 'anomaly', 'soliton, BPS', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907140', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['A detailed review of recent developments in the topological classification of D-branes in superstring theory is presented. Beginning with a thorough, self-contained introduction to the techniques and applications of topological K-theory, the relationships between the classic constructions of K-theory and the recent r... | ['1999-07-19'] |
5,553 | ['eng'] | ['Engelhardt, M', 'Reinhardt, H'] | ['Center Projection Vortices in Continuum Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'lattice field theory', 'vortex', 'Wilson loop', 'transformation, gauge', 'continuum limit', 'charge, topological', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907139'] | ['The maximal center gauge, combined with center projection, is a means to associate Yang-Mills lattice gauge configurations with closed center vortex world-surfaces. This technique allows to study center vortex physics in lattice gauge experiments. In the present work, the continuum analogue of the maximal center gaug... | ['1999-07-19'] |
5,554 | ['eng'] | ['Federbush, P'] | ['Some Generalized BRS Transformations; 2, A Quantum Gravity Model'] | ['Particle Physics - Theory'] | ['quantum gravity, action', 'transformation, Becchi-Rouet-Stora', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907138'] | ['Generalized BRS transformations such as introduced in Part I (hep-th/9906245) are applied to a model of quantum gravity. This development is technically complex; but at the least should illustrate how much less rigid and more general of application are the new BRS transformations.'] | ['1999-07-19'] |
5,555 | ['eng'] | ['Rida, A', 'Sami, T'] | ['The non chiral fusion rules in rational conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'operator product expansion', 'algebra, fusion', 'partition function', 'invariance, modular'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907137'] | ['We introduce a general method to construct the non chiral fusion rules in rational conformal field theories. We are particularly interested by the models of the complementary series or like-D series which are solutions of modular invariant partition function. The form proposed of the non chiral fusion rules has a str... | ['1999-07-19'] |
5,556 | ['eng'] | ['Dörfel, B D'] | ['Non-commutative Euclidean structures in compact spaces'] | ['Particle Physics - Theory'] | ['quantum group, SO(3)', 'R-matrix', 'differential geometry, noncommutative', 'algebra, Heisenberg', 'algebra, deformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907136'] | ['Based on results for real deformation parameter q we introduce a compact non- commutative structure covariant under the quantum group SOq(3) for q being a root of unity. In a representation where X is diagonal P has been calculated. To manifest some typical properties an example of a one-dimensional q-deformed Heisen... | ['1999-07-19'] |
5,557 | ['eng'] | ['Ghosh, S'] | ['Self-interaction effects on screening in three-dimensional QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, massive', 'dimension, 3', 'fermion, confinement', 'bound state, (quark antiquark)', 'Chern-Simons term', 'effect, screening', 'effective action', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907135'] | ['We have shown that self interaction effects in massive quantum electrodynamics can lead to the formation of bound states of quark antiquark pairs. A current-current fermion coupling term is introduced, which induces a well in the potential energy profile. Explicit expressions of the effective potential and renormaliz... | ['1999-07-19'] |
5,558 | ['eng'] | ['Yamada, Y', 'Yang, S K'] | ['Affine 7-brane Backgrounds and Five-Dimensional $E_{N}$ Theories on $S^{1}$'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 7', 'dimension, 5', 'algebra, Lie', 'algebra, exceptional', 'algebra, affine', 'spontaneous compactification, S(1)', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907134'] | ['Elliptic curves for the 7-brane configurations realizing the affine Lie algebras $\\wh E_n$ $(1 \\leq n \\leq 8)$ and $\\wh{\\wt E}_n$ $(n=0,1)$ are systematically derived from the cubic equation for a rational elliptic surface. It is then shown that the $\\wh E_n$ 7-branes describe the discriminant locus of the elli... | ['1999-07-19'] |
5,559 | ['eng'] | ['Fukuma, M', 'Oota, T', 'Tanaka, H'] | ['Comments on T-dualities of Ramond-Ramond Potentials on Tori'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'effective action', 'spontaneous compactification, torus', 'duality', 'group theory, SO(N,N)', 'group theory, representation', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907132'] | ['Inspired by a work of Brace, Morariu and Zumino, we give a simple proof that the type IIA/IIB effective actions compactified on T^d are generically invariant under the T-duality group SO(d,d;Z) when R-R potentials are combined suitably with NS-NS 2-form and transform as a Majorana-Weyl spinor of SO(d,d;Z).'] | ['1999-07-16'] |
5,560 | ['eng'] | ['Govindarajan, S', 'Jayaraman, T', 'Sarkar, T'] | ['Worldsheet approaches to D-branes on supersymmetric cycles'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supersymmetry', 'field theory, Calabi-Yau', 'Landau-Ginzburg model', 'dimension, 2', 'boundary condition', 'phase space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907131'] | ["We consider D-branes wrapped around supersymmetric cycles of Calabi-Yau manifolds from the viewpoint of N=2 Landau-Ginzburg models with boundary as well as by consideration of boundary states in the corresponding Gepner models. The Landau-Ginzburg approach enables us to provide a target space interpretation for the b... | ['1999-07-16'] |
5,561 | ['eng'] | ['Lee, C W H'] | ['Symmetry Algebras of Quantum Matrix Models in the Large-N Limit'] | ['Particle Physics - Theory'] | ['thesis', 'matrix model', 'expansion 1/N', 'symmetry, algebra', 'quantization', 'Hamiltonian formalism', 'operator, algebra', 'string model', 'supersymmetry', 'phase space', 'group theory, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907130'] | ['Quantum matrix models in the large-N limit arise in many physical systems like Yang-Mills theory with or without supersymmetry, quantum gravity, string-bit models, various low energy effective models of string theory, M(atrix) theory, quantum spin chain models, and strongly correlated electron systems like the Hubbar... | ['1999-07-16'] |
5,562 | ['eng'] | ['Giddings, Steven B'] | ['Flat-space scattering and bulk locality in the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'correlation function', 'S-matrix', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907129'] | ['The large radius limit in the AdS/CFT correspondence is expected to provide a holographic derivation of flat-space scattering amplitudes. This suggests that questions of locality in the bulk should be addressed in terms of properties of the S-matrix and their translation into the conformal field theory. There are, ho... | ['1999-07-16'] |
5,563 | ['eng'] | ['Massar, M', 'Troost, J'] | ['The longitudinal fivebrane and tachyon condensation in matrix theory'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'p-brane, 4', 'p-brane, 0', 'quantum mechanics', 'supersymmetry', 'symmetry, U(N)', 'field equations, solution', 'effective potential', 'perturbation theory, higher-order', 'tachyon, condensation', 'fluctuation', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907128'] | ['We study a configuration in matrix theory carying longitudinal fivebrane charge, i.e. a D0-D4 bound state. We calculate the one-loop effective potential between a D0-D4 bound state and a D0-anti-D4 bound state and compare our results to a supergravity calculation. Next, we identify the tachyonic fluctuations in the D... | ['1999-07-16'] |
5,564 | ['eng'] | ['Reinhardt, H'] | ['Magnetic Monopoles, Vortices and the Topology of Gauge Fields'] | ['Particle Physics - Theory'] | ['talk, Trento 1999/03/01', 'gauge field theory, Yang-Mills', 'magnetic monopole', 'dependence, gauge', 'topology', 'vortex', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907127'] | ['Lattice calculations performed in Abelian gauges give strong evidence that confinement is realized as a dual Meissner effect, implying that the Yang-Mills vacuum consists of a condensate of magnetic monopoles. Alternative lattice calculations performed in the maximum center gauge give strong support that center vorte... | ['1999-07-16'] |
5,565 | ['eng'] | ['Rho, M', 'Sin, S J', 'Zahed, I'] | ['Elastic Parton-Parton Scattering from AdS/CFT'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'gauge field theory, Yang-Mills', 'parton, interaction', 'scattering amplitude', 'approximation, eikonal', 'expansion 1/N', 'Wilson loop', 'Regge poles'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907126'] | ['Using the AdS/CFT correspondence and the eikonal approximation, we evaluate the elastic parton-parton scattering amplitude at large $N$ and strong coupling $g^2N$ in N=4 SYM. We obtain a scattering amplitude with a Regge behavior that unitarizes at large $\\sqrt{s}$. For partons with masses $m$ in the range in four d... | ['1999-07-16'] |
5,566 | ['eng'] | ['Fring, A', 'Korff, C', 'Schulz, B J'] | ['On the universal Representation of the Scattering Matrix of Affine Toda Field Theory'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'algebra, Lie', 'algebra, fusion', 'algebra, deformation', 'algebra, representation', 'S-matrix', 'universality', 'unitarity', 'symmetry, crossing', 'parity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907125'] | ['By exploiting the properties of q-deformed Coxeter elements, the scattering matrices of affine Toda field theories with real coupling constant related to any dual pair of simple Lie algebras may be expressed in a completely generic way. We discuss the governing equations for the existence of bound states, i.e. the fu... | ['1999-07-16'] |
5,567 | ['eng'] | ['Kallosh, R', 'Kofman, L A', 'Linde, Andrei D', 'Van Proeyen, A'] | ['Gravitino Production After Inflation'] | ['Particle Physics - Theory'] | ['inflationary universe', 'gravitino, production', 'inflaton, oscillation', 'invariance, conformal', 'supergravity', 'symmetry, SU(2,2|1)', 'gauge fixing'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907124'] | ['We investigate the production of gravitinos in a cosmological background. Gravitinos can be produced during preheating after inflation due to a combined effect of interactions with an oscillating inflaton field and absence of conformal invariance. In order to get insight on conformal properties of gravitino we reform... | ['1999-07-16'] |
5,568 | ['eng'] | ['Lozano, C'] | ['Duality in Topological Quantum Field Theories'] | ['Particle Physics - Theory'] | ['thesis', 'gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, topological', 'duality, transformation', 'partition function', 'perturbation theory, mass', 'group theory, SU(N)', 'magnetic monopole', 'Donaldson theory', 'geometry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907123'] | ['This thesis presents a thorough analysis of the links between the N=4 supersymmetric gauge theory in four dimensions and its three topological twisted counterparts. Special emphasis is put in deriving explicit results in terms of the vacuum structure and low-energy effective description of four-dimensional supersymme... | ['1999-07-16'] |
5,569 | ['eng'] | ['Bijtebier, J'] | ['A cluster-separable Born approximation for the 3D reduction of the three-fermion Bethe-Salpeter equation'] | ['Particle Physics - Theory'] | ['Bethe-Salpeter equation', 'fermion, bound state', 'dimensional reduction', 'dimension, 3', 'Born approximation', 'expansion, cluster', 'invariance, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907122'] | ["We perform a 3D reduction of the two-fermion Bethe-Salpeter equation based on Sazdjian's explicitly covariant propagator, combined with a covariant substitute of the projector on the positive-energy free states. We use this combination in the two fermions in an external potential and in the three-fermion problems. Th... | ['1999-07-16'] |
5,570 | ['eng'] | ['Flume, R', 'Kraus, E'] | ['Non-renormalization theorems without supergraphs'] | ['Particle Physics - Theory'] | ['Wess-Zumino model', 'vertex function, chiral', 'Ward identity', 'R parity', 'coupling, local', 'supersymmetry', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907120'] | ['The non-renormalization theorems of chiral vertex functions are derived on the basis of an algebraic analysis. The property, that the interaction vertex is a second supersymmetry variation of a lower dimensional field monomial, is used to relate chiral Green functions to superficially convergent Green functions by ex... | ['1999-07-16'] |
5,571 | ['eng'] | ['Kaul, R K'] | ['Topological Quantum Field Theories'] | ['Particle Physics - Theory'] | ['field theory, topological', 'knot theory', 'gauge field theory, U(1)', 'Chern-Simons term', 'braid group', 'gauge field theory, SU(2)', 'gravitation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907119'] | ['Topological quantum field theories can be used as a powerful tool to probe geometry and topology in low dimensions. Chern-Simons theories, which are examples of such field theories, provide a field theoretic framework for the study of knots and links in three dimensions. These are rare examples of quantum field theor... | ['1999-07-16'] |
5,572 | ['eng'] | ['Sykora, T'] | ['Schwinger terms in 1+1 dimensions'] | ['Particle Physics - Theory'] | ['Schwinger terms', 'dimension, 2', 'current algebra', 'regularization', 'Schwinger model', 'anomaly', 'Jacobi identity', 'dimension, 4', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907118'] | ["The two different approaches - Kãllen's and Brandt's methods - for the calculations of the Schwinger terms in the 1+1 dimensional Abelian and non-Abelian free current algebras are discussed. These methods are applied to calculation of the single and double commutators. The validity of the Jacobi identities is examine... | ['1999-07-16'] |
5,573 | ['eng'] | ['Kar, S'] | ['Generalized Dirichlet Branes and Zero-modes'] | ['Particle Physics - Theory'] | ['membrane model', 'zero mode', 'path integral', 'string model', 'renormalization', 'expansion, derivative', 'supersymmetry', 'boundary condition', 'gauge field theory, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907117'] | ['We investigate the effective dynamics of an arbitrary Dirichlet p-brane, in a path-integral formalism, by incorporating the massless excitations of closed string modes in open bosonic string theory. It is shown that the closed string background fields in the bosonic sector of type IIB induce invariant extrinsic curva... | ['1999-07-16'] |
5,574 | ['eng'] | ['Das, S', 'Das-Gupta, A'] | ['Black Hole Emission Rates and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 5', 'horizon', 'particle, emission', 'field theory, conformal', 'dimension, 2', 'space-time, anti-de Sitter', 'operator, dimension'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907116'] | ['We study the emission rates of scalar, spinor and vector particles from a 5 dimensional black hole for arbitrary partial waves. The solution is lifted to 6 dimensions, and the near horizon $ BTZ \\times S^3$ geometry of the black solution is probed to determine the greybody factors. We show that the exact decay rate ... | ['1999-07-15'] |
5,575 | ['eng'] | ['Dawid, R'] | ['Holographic Cosmology and its Relevant Degrees of Freedom'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'holography', 'time reversal', 'density, nonlocal', 'space-time, de Sitter', 'space-time, anti-de Sitter', 'entropy', 'astrophysics, fundamental constant', 'energy, density'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907115'] | ["We reconsider the options for cosmological holography. We suggest that a global and time--symmetric version of the Fischler-Susskind bound is the most natural generalization of the holographic bound encountered in AdS and De Sitter space. A consistent discussion of cosmological holography seems to imply an understand... | ['1999-07-15'] |
5,576 | ['eng'] | ['Arefieva, I Y', 'Volovich, I V'] | ['Noncommutative Gauge Fields on Poisson Manifolds'] | ['Particle Physics - Theory'] | ['talk, Funchal 1999/07/07', 'gauge field theory, noncommutative', 'quantization, deformation', 'path integral', 'field theory, scalar', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907114'] | ['It was shown by Connes, Douglas and Schwarz that gauge theory on noncommutative torus describes compactifications of M-theory to tori with constant background three-form field. This indicates that noncommutative gauge theories on more general manifolds also can be useful in string theory. We discuss a framework to no... | ['1999-07-15'] |
5,577 | ['eng'] | ['Bandos, I A', 'Lukierski, J', 'Preitschopf, C R', 'Sorokin, D P'] | ['OSp supergroup manifolds, superparticles and supertwistors'] | ['Particle Physics - Theory'] | ['supersymmetry, superspace', 'group theory, OSp(N|M)', 'group theory, geometrical', 'particle, relativistic', 'twistor', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907113'] | ['We construct simple twistor-like actions describing superparticles propagating on a coset superspace OSp(1|4)/SO(1,3) (containing the D=4 anti-de-Sitter space as a bosonic subspace), on a supergroup manifold OSp(1|4) and, generically, on OSp(1|2n). Making two different contractions of the superparticle model on the O... | ['1999-07-15'] |
5,578 | ['eng'] | ['Scrucca, Claudio A', 'Serone, M'] | ['Anomaly cancellation in K3 orientifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 6', 'orientifold', 'field theory, Kaehler', 'anomaly', 'field theory, tensor', 'field theory, scalar', 'particle, multiplet', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907112'] | ['We study in detail the pattern of anomaly cancellation in D=6 Type IIB Z_N orientifolds, occurring through a generalized Green-Schwarz mechanism involving several RR antisymmetric tensors and scalars fields. The starting point is a direct string theory computation of the inflow of anomaly arising from magnetic intera... | ['1999-07-15'] |
5,579 | ['eng'] | ['Menotti, P', 'Seminara, D'] | ['ADM approach to 2+1 dimensional gravity coupled to particles'] | ['Particle Physics - Theory'] | ['gravitation, canonical', 'dimension, 3', 'particle, coupling', 'field equations, solution', 'momentum', 'transformation, conformal', 'field theory, action', 'many-body problem', 'Hamiltonian formalism', 'space-time, asymptotic behavior', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907111'] | ['We develop the canonical ADM approach to 2+1 dimensional gravity in presence of point particles. The instantaneous York gauge can be applied for open universes or universes with the topology of the sphere. The sequence of canonical ADM equations is solved in terms of the conformal factor. A simple derivation is given... | ['1999-07-15'] |
5,580 | ['eng'] | ['Amelino-Camelia, G', 'Majid, S'] | ['Waves on Noncommutative Space-time and $\\gamma$-Ray Bursts'] | ['Particle Physics - Theory'] | ['quantum group', 'space-time, Minkowski', 'space-time, noncommutative', 'photon, cosmic radiation', 'dispersion relations', 'Fourier transformation', 'violation, CPT', 'field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907110'] | ["Quantum group Fourier transform methods are applied to the study of processes on noncommutative Minkowski spacetime $[x^i,t]=\\imath\\lambda x^i$. A natural wave equation is derived and the associated phenomena of {\\it in vacuo} dispersion are discussed. Assuming the deformation scale $\\lambda$ is of the order of t... | ['1999-07-15'] |
5,581 | ['eng'] | ['Troncoso, R', 'Zanelli, J'] | ['Higher Dimensional Gravity and Local AdS Symmetry'] | ['Particle Physics - Theory'] | ['gravitation, higher-dimensional', 'torsion', 'Lagrangian formalism', 'Born-Infeld model', 'Chern-Simons term', 'space-time, anti-de Sitter', 'quantization', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907109'] | ['Requiring general covariance and second order field equations for the metric implies that gravitation in higher dimensions can be described by theories with higher powers in the curvature. The most general theory of this kind in $d$ dimensions has [(d-1)/2] free parameters. It is shown that by allowing the existence ... | ['1999-07-15'] |
5,582 | ['eng'] | ['Lee, S'] | ['$AdS_{5}/CFT_{4}$ Four-point Functions of Chiral Primary Operators'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'field theory, conformal', 'dimension, 4', 'operator, chiral', 'gauge field theory, Yang-Mills', 'supersymmetry', 'n-point function, 4', 'supergravity', 'coupling', 'multiplet, massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907108'] | ['We study the exchange diagrams in the computation of four-point functions of all chiral primary operators in D=4, $\\CN=4$ Super-Yang-Mills using AdS/CFT correspondence. We identify all supergravity fields that can be exchanged and compute the cubic couplings. As a byproduct, we also rederive the normalization of the... | ['1999-07-15'] |
5,583 | ['eng'] | ['Kuzenko, S M', 'Theisen, Stefan J'] | ['Correlation Functions of Conserved Currents in N = 2 Superconformal Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry, superfield', 'current, correlation function', 'anomaly', 'supergravity, prepotential', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907107'] | ['Using a manifestly supersymmetric formalism, we determine the general structure of two- and three- point functions of the supercurrent and the flavour current of N = 2 superconformal field theories. We also express them in terms of N = 1 superfields and compare to the generic N = 1 correlation functions. A general di... | ['1999-07-15'] |
5,584 | ['eng'] | ['Bilal, Adel', 'Chu, C S'] | ['A Note on the Chiral Anomaly in the AdS/CFT Correspondence and $1/N^{2}$ Correction'] | ['Particle Physics - Theory'] | ['anomaly, chiral', 'space-time, anti-de Sitter', 'field theory, conformal', 'gauge field theory, SU(N)', 'string model', 'supergravity', 'Chern-Simons term, induced', 'quantization, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907106'] | ['According to the AdS/CFT correspondence,the d=4, N=4 SU(N) SYM is dual to the Type IIB string theory compactified on AdS_5xS^5. A mechanism was proposed previously that the chiral anomaly of the gauge theory is accounted for to the leading order in N by the Chern-Simons action in the AdS_5 SUGRA. In this paper, we co... | ['1999-07-15'] |
5,585 | ['eng'] | ['Ilakovac, A', 'Kolanovic, M', 'Pallua, S', 'Prester, P'] | ['Violation of the string hypothesis and Heisenberg XXZ spin chain'] | ['Particle Physics - Theory'] | ['model, spin', 'Heisenberg model', 'dimension, 2', 'string model', 'bound state', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907103'] | ['In this paper we count the numbers of real and complex solutions to Bethe constraints in the two particle sector of the XXZ model. We find exact number of exceptions to the string conjecture and total number of solutions which is required for completeness.'] | ['1999-07-15'] |
5,586 | ['eng'] | ['Khastgir, S P', 'Sasaki, R', 'Takasaki, K'] | ['Calogero-Moser Models; 4, Limits to Toda theory'] | ['Particle Physics - Theory'] | ['Calogero-Moser model', 'field theory, Toda', 'operator, Lax', 'group theory, representation', 'potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907102'] | ['Calogero-Moser models and Toda models are well-known integrable multi-particle dynamical systems based on root systems associated with Lie algebras. The relation between these two types of integrable models is investigated at the levels of the Hamiltonians and the Lax pairs. The Lax pairs of Calogero-Moser models are... | ['1999-07-15'] |
5,587 | ['eng'] | ['Blum, J D'] | ['Supersymmetric Quantum Mechanical Description of Four Dimensional Black Holes'] | ['Particle Physics - Theory'] | ['black hole, Reissner-Nordstroem', 'quantum mechanics, conformal', 'decoupling', 'string model', 'membrane model, D-brane', 'ground state, entropy', 'bound state', 'threshold', 'space-time, anti-de Sitter', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907101'] | ['By assuming the existence of a novel multipronged string state for D-particles interacting with D-brane intersections in type IIA string theory, we are able to derive a quantum mechanical description of supersymmetric Reissner-Nordstrom black holes. A supersymmetric index calculation provides evidence for this conjec... | ['1999-07-15'] |
5,588 | ['eng'] | ['Berkooz, M', 'Verlinde, Herman L'] | ['Matrix Theory, AdS/CFT and Higgs-Coulomb Equivalence'] | ['Particle Physics - Theory'] | ['matrix model', 'space-time, anti-de Sitter', 'field theory, conformal', 'quantization, light cone', 'discrete', 'gauge field theory, Yang-Mills', 'supersymmetry', 'horizon', 'dilute gas approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907100'] | ['We discuss the relation between the Matrix theory definitions of a class of decoupled theories and their AdS/CFT description in terms of the corresponding near-horizon geometry. The near horizon geometry, naively part of the Coulomb branch, is embedded in the Higgs branch via a natural change of variables. The princi... | ['1999-07-14'] |
5,589 | ['eng'] | ['Baulieu, L', 'Laroche, C', 'Nekrasov, N A'] | ['Remarks on Covariant Matrix Strings'] | ['Particle Physics - Theory'] | ['string model', 'matrix model', 'invariance, Lorentz', 'instanton, SU(4)', 'octonion', 'field theory, topological', 'field theory, SO(10)', 'gravitation, W(N)', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907099'] | ['We address the issue of the worldsheet and spacetime covariant formulation for matrix strings. The problem is solved in the limit of vanishing string coupling. To go beyond the g_s = 0 limit, we propose a topological quantum field theory as a twisted candidate. Our model involves the generalized octonionic or SU(4) i... | ['1999-07-14'] |
5,590 | ['eng'] | ['Lambert, N D', 'Tong, D'] | ['Kinky D-Strings'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'supersymmetry, superfield', 'string model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'sigma model, nonlinear', 'field theory, Kaehler', 'torsion', 'bound state', 'kink', 'dyon', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907098'] | ['We study two-dimensional SQED viewed as the world-volume theory of a D-string in the presence of D5-branes with non-zero background fields that induce attractive forces between the branes. In various approximations, the low-energy dynamics is given by a hyperKahler, or hyperKahler with torsion, massive sigma-model. W... | ['1999-07-14'] |
5,591 | ['eng'] | ['Skalozub, V V', 'Tishchenko, A Y'] | ['Photon splitting and photon-plasmon interaction in a dense medium'] | ['Particle Physics - Theory'] | ['plasma', 'photon, vertex function', 'perturbation theory, higher-order', 'dispersion relations', 'polarization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907097'] | ['Three-photon vertex in a dense degenerated plasma is calculated. It is discovered the polarization tensor has the longitudinal part which makes possible an interaction between transverse and longitudinal modes in the medium. Using dispersion relations it is shown that the only kinematically permitted type of the phot... | ['1999-07-14'] |
5,592 | ['eng'] | ['Magnea, U'] | ['The orthogonal ensemble of random matrices and QCD in three dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'fermion, flavor', 'dimension, 3', 'matrix model, random', 'partition function', 'saddle-point approximation', 'sum rule'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907096'] | ['We consider the parity-invariant Dirac operator with a mass term in three-dimensional QCD for N_c=2. We show that there exists a basis in which the matrix elements of the Euclidean Dirac operator are real. We then construct a random matrix theory with the same global symmetries as two-color QCD_3 and derive from here... | ['1999-07-14'] |
5,593 | ['eng'] | ['Lidsey, J E'] | ['The Embedding of Superstring Backgrounds in Einstein Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'string model', 'supersymmetry', 'Einstein equation', 'differential geometry', 'dimension, 11', 'dimension, 10', 'background field, embedding', 'space-time, Ricci', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907095'] | ['A theorem of differential geometry is employed to locally embed a wide class of superstring backgrounds that admit a covariantly constant null Killing vector field in eleven-dimensional, Ricci-flat spaces. Included in this class are exact type IIB superstring backgrounds with non-trivial Ramond-Ramond fields and a cl... | ['1999-07-14'] |
5,594 | ['eng'] | ['Michishita, Y'] | ['D0-branes in SO(32)x SO(32) open type 0 string theory'] | ['Particle Physics - Theory'] | ['string model', 'gauge field theory, SO(32) x SO(32)', 'membrane model', 'particle, spectra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907094'] | ['We construct D0-branes in SO(32)$\\times$SO(32) open type 0 string theory using the same method as the one used to construct non-BPS D0-brane in type I string theory. It has been proposed that this theory is S-dual to bosonic string theory compactified on SO(32) lattice, which has SO(32)$\\times$SO(32) spinor states ... | ['1999-07-14'] |
5,595 | ['eng'] | ['Rashkov, R C'] | ['Irregular Boundary Conditions in AdS/CFT correspondence for Spinor Field'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'field theory, spinor', 'boundary condition', 'two-point function', 'Legendre transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907093'] | ['In a recent paper Klebanov and Witten (hep-th/9905104) proposed to fomulate the AdS/CFT correspondence principle by imposing an "irregular boundary condition" for a scalar field. In this paper we generalize this idea to the case of spinor field with interaction. The action functional following from the choice of irre... | ['1999-07-14'] |
5,596 | ['eng'] | ['Becchi, C', 'Collina, R'] | ['Further comments on the background field method and gauge invariant effective actions'] | ['Particle Physics - Theory'] | ['background field', 'effective action', 'gauge field theory, SU(2)', 'S-matrix', 'Higgs model', 'renormalization', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907092'] | ['The aim of this paper is to give a firm and clear proof of the existence in the background field framework of a gauge invariant effective action for any gauge theory ({\\it background gauge equivalence}). Here by effective action we mean a functional whose Legendre transform restricted to the physical shell generates... | ['1999-07-14'] |
5,597 | ['eng'] | ['Ghosh, S'] | ['Three Dimensional Gauge Theory with Topological and Non-topological Mass'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Thirring model, massive', 'bosonization', 'current algebra', 'particle, spectra', 'Proca model', 'fermion, current'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907091'] | ['Three dimensional (abelian) gauged massive Thirring model is bosonized in the large fermion mass limit. A further integration of the gauge field results in a non-local theory. A truncated version of that is the Maxwell Chern Simons (MCS) theory with a conventional mass term or MCS Proca theory. This gauge invariant t... | ['1999-07-14'] |
5,598 | ['eng'] | ['Bak, D', 'Lee, K', 'Yi, P'] | ['Quantum 1/4 BPS Dyons'] | ['Particle Physics - Theory'] | ['dyon, BPS', 'supersymmetry', 'dyon, wave function', 'gauge field theory, SU(3)', 'magnetic monopole', 'moduli space', 'angular momentum', 'multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907090'] | ['Classical properties of 1/4 BPS dyons were previously well understood both in field theory context and in string theory context. Its quantum properties, however, have been more difficult to probe, although the elementary information of the supermultiplet structures is known from a perturbative construction. Recently,... | ['1999-07-14'] |
5,599 | ['eng'] | ['Babaev, E'] | ['Mass generation without phase coherence in Chiral Gross-Neveu Model at finite temperature and low N and its analogy to pseudogap phase of strong-coupling superconductor'] | ['Particle Physics - Theory'] | ['Gross-Neveu model, chiral', 'finite temperature', 'mass generation', 'critical phenomena', 'superconducting, strong coupling', 'condensation', 'XY model', 'coherence', 'Goldstone particle', 'mean field approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907089'] | ['We show that the chiral Gross-Neveu model for a small number N of fermions has two characteristic temperatures: $T_c$ that corresponds to restoration of long-range or quasi-long-range order and $T^* (>T_c)$ that corresponds to thermal fermion pairs breaking.'] | ['1999-07-14'] |
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