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 |
|---|---|---|---|---|---|---|---|---|
16,000 | ['eng'] | ['Crescimanno, M J', 'Naculich, S G', 'Schnitzer, H J'] | ['Large-N universality of the two-dimensional Yang-Mills string'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 2', 'Wilson loop', 'universality', 'critical phenomena', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503020'] | ["We exhibit the gauge-group independence (``universality'') of all normalized non-intersecting Wilson loop expectation values in the large N limit of two-dimensional Yang-Mills theory. This universality is most easily understood via the string theory reformulation of these gauge theories. By constructing an isomorphis... | ['1995-03-06'] |
16,001 | ['eng'] | ['Fring, A'] | ['Braid relations in affine Toda field theory'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'S-matrix', 'operator, vertex', 'quantum algebra, Heisenberg', 'algebra, Zamolodchikov', 'algebra, representation', 'braid group', 'operator product expansion', 'charge, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503019'] | ['We provide explicit realizations for the operators which when exchanged give rise to the scattering matrix. For affine Toda field theory we present two alternative constructions, one related to a free bosonic theory and the other formally to the quantum affine Heisenberg algebra of U_q(\\hat{Sl_2}).'] | ['1995-03-06'] |
16,002 | ['eng'] | ['Kallosh, R'] | ['Black hole multiplets and spontaneous breaking of local supersymmetry'] | ['Particle Physics - Theory'] | ['black hole', 'supersymmetry, local', 'supersymmetry, spontaneously broken', 'multiplet', 'bound state', 'postulated particle, gluino', 'gluino, condensation', 'spinor, Killing', 'Killing, spinor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503029'] | ['We classify states saturating a double or a single supersymmetric positivity bound of a four-dimensional N=4 supersymmetry. The massive four-dimensional double-bound states (Bogomolny states) are shown to form a light-like representation of ten-dimensional supersymmetry. The single-bound states form a massive represe... | ['1995-03-06'] |
16,003 | ['eng'] | ['Johnson, C V', 'Myers, R C'] | ['A conformal field theory of a rotating dyon'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'sigma model, nonlinear', 'field theory, conformal', 'dimension, 2', 'field equations, solution', 'field theory, conformal', 'space-time', 'field theory, dyon', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503027'] | ["A conformal field theory representing a four-dimensional classical solution of heterotic string theory is presented. The low-energy limit of this solution has U(1) electric and magnetic charges, and also nontrivial axion and dilaton fields. The low-energy metric contains mass, NUT and rotation parameters. We demonstr... | ['1995-03-06'] |
16,004 | ['eng'] | ['Awata, H', 'Matsuo, Y', 'Odake, S', 'Shiraishi, J'] | ['A note on Calogero-Sutherland model, W$_{n}$ singular vectors and generalized matrix models'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1994/12/06', 'quantum mechanics', 'potential', 'dimension, 2', 'statistics, fractional', 'algebra, W(N)', 'algebra, representation', 'correlation function', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503028'] | ['We review some recent results on the Calogero-Sutherland model with emphasis upon its algebraic aspects. We give integral formulae for excited states (Jack polynomials) of this model and their relations with W_n singular vectors and generalized matrix models.'] | ['1995-03-06'] |
16,005 | ['eng'] | ['Iorio, A', 'Vitiello, G'] | ['Quantum dissipation and quantum groups'] | ['Particle Physics - Theory'] | ['dissipation', 'quantum group', 'finite temperature', 'model, oscillator', 'algebra, Weyl-Heisenberg', 'Bogolyubov transformation', 'commutation relations, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503136'] | ['We discuss the r\\^ole of quantum deformation of Weyl-Heisenberg algebra in dissipative systems and finite temperature systems. We express the time evolution generator of the damped harmonic oscillator and the generator of thermal Bogolubov transformations in terms of operators of the quantum Weyl-Heisenberg algebra.... | ['1995-03-22'] |
16,006 | ['eng'] | ['Eguchi, Tohru', 'Hori, K', 'Yang, S K'] | ['Topological $\\sigma$-models and large-N matrix integral'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(1)', 'field theory, topological', 'algebra, Virasoro', 'Ward identity', 'moduli space', 'differential equations, Toda', 'matrix model', 'expansion 1/N', 'algebra, geometry', 'Landau-Ginzburg model', 'correlation function', 'sine-Gordon model', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503017'] | ['In this paper we describe in some detail the representation of the topological CP^1 model in terms of a matrix integral which we have introduced in a previous article. We first discuss the integrable structure of the CP^1 model and show that it is governed by an extension of the 1-dimensional Toda hierarchy. We then ... | ['1995-03-03'] |
16,007 | ['eng'] | ['Kabat, D'] | ['Black hole entropy and entropy of entanglement'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'correction, higher-order', 'partition function', 'black hole, horizon', 'spinor', 'density matrix', 'string model', 'field theory, scalar', 'field theory, vector'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503016'] | ['We compute the one-loop correction to the entropy of a very massive black hole, by evaluating the partition function in the presence of a conical singularity for quantum fields of spin zero, one-half, and one. We compare the results to the entropy of entanglement, defined by the density matrix which describes the gro... | ['1995-03-03'] |
16,008 | ['eng'] | ['Chen, Y H', 'Nyeo, S L'] | ['Effective potential of Nambu - Jona-Lasinio model in differential regularization'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'symmetry, SU(2)', 'path integral', 'effective action', 'perturbation theory, higher-order', 'regularization, differential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503015'] | ['The method of differential regularization is applied to calculate explicitly the one-loop effective potential of a bosonized Nambu--Jona-Lasinio model consisting of scalar and pseudoscalar fields. The regularization scheme independent relation for the \\sigma mass sum rule is obtained. This method can be readily appl... | ['1995-03-03'] |
16,009 | ['eng'] | ['Callan, C G', 'Klebanov, Igor R', 'Maldacena, J M', 'Yegulalp, A'] | ['Magnetic fields and fractional statistics in boundary conformal field theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'boundary condition', 'partition function', 'renormalization group, beta function', 'magnetic field', 'statistics, fractional', 'S-matrix', 'gas, Coulomb', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503014'] | ["We study conformal field theories describing two massless one-dimensional fields interacting at a single spatial point. The interactions we include are periodic functions of the bosonized fields separately plus a ``magnetic'' interaction that mixes the two fields. Such models arise in open string theory and dissipati... | ['1995-03-03'] |
16,010 | ['eng'] | ['Bochicchio, M'] | ['Two dimensional QCD and abelian bosonization'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion', 'dimension, 2', 'expansion 1/N', 'effective action', 'bosonization, abelian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503013'] | ["A bosonized action that reproduces the structure of 't Hooft equation for two dimensional QCD in the large-N limit is derived."] | ['1995-03-03'] |
16,011 | ['eng'] | ['Lindström, U', 'Rocek, Martin'] | ['A note on the Seiberg-Witten solution of N=2 super Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry, superfield', 'field equations, solution', 'energy, low', 'approximation, strong coupling', 'strong coupling, approximation', 'moduli space', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503012'] | ['We examine the Seiberg-Witten treatment of N=2 super Yang-Mills theory, and note that in the strong coupling region of moduli space, some massive particle excitations appear to have negative norm. We discuss the significance of our observation.'] | ['1995-03-03'] |
16,012 | ['eng'] | ['Mussardo, G', 'Simonetti, P'] | ['Random bond Ising model and massless phase of the Gross-Neveu model'] | ['Particle Physics - Theory'] | ['Ising model, random', 'on-shell', 'Gross-Neveu model, O(N)', 'S-matrix, massless', 'massless, S-matrix', 'integrability', 'renormalization, beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503011'] | ['The O(n) Gross-Neveu model for n < 2 presents a massless phase that can be characterized by right-left mover scattering processes. The limit n \\goto 0 describes the on-shell properties of the random bond Ising model.'] | ['1995-03-03'] |
16,013 | ['eng'] | ['Arthur, K', 'Burzlaff, J'] | ['Existence theorems for $\\pi$/n vortex scattering'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'vortex, scattering', 'scattering, vortex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503010'] | ['The analysis of 90^{\\circ} vortex-vortex scattering is extended to \\frac{\\pi}{n} scattering in all head-on collisions of n vortices in the Abelian Higgs model. A Cauchy problem with initial data that describe the scattering of n vortices is formulated. It is shown that this Cauchy problem has a unique global finit... | ['1995-03-03'] |
16,014 | ['eng'] | ['Kazakov, V A'] | ['2D principal chiral field at large N as a possible solvable 2D string theory'] | ['Particle Physics - Theory'] | ['talk, Les Houches 1994/08/02', 'string model', 'dimension, 2', 'model, chiral', 'symmetry, SU(N)', 'partition function', 'energy, ground state', 'renormalization group, beta function', 'approximation, weak coupling', 'weak coupling, approximation', 'approximation, strong coupling', 'strong coupling, approximation', '... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503008'] | ["We present the exact and explicit solution of the principal chiral field in two dimensions for an infinitely large rank group manifold. The energy of the ground state is explicitly found for the external Noether's fields of an arbitrary magnitude. At small field we found an inverse logarithmic singularity in the grou... | ['1995-03-03'] |
16,015 | ['eng'] | ['Gorsky, A S', 'Marshakov, A V', 'Orlov, A', 'Rubtsov, V N'] | ['On third Poisson structure of KdV equation'] | ['Particle Physics - Theory'] | ['talk, Alushta 1994/06/10', 'Korteweg-de Vries equation', 'Hamiltonian formalism', 'path integral', 'Wess-Zumino-Witten model', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503018'] | ["The third Poisson structure of KdV equation in terms of canonical ``free fields'' and reduced WZNW model is discussed. We prove that it is ``diagonalized'' in the Lagrange variables which were used before in formulation of 2D gravity. We propose a quantum path integral for KdV equation based on this representation."] | ['1995-03-03'] |
16,016 | ['eng'] | ['Oda, I'] | ['Thermodynamics of black hole in (N+3)-dimensions from Euclidean N-brane theory'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'membrane model, p-brane', 'field theory, Euclidean', 'effective action', 'field equations, instanton', 'radiation, Hawking', 'black hole, entropy', 'correction, higher-order', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503009'] | ["In this article we consider an N-brane description of an (N+3)-dimensional black hole horizon. First of all, we start by reviewing a previous work where a string theory is used as describing the dynamics of the event horizon of a four dimensional black hole. Then we consider a particle model defined on one dimensiona... | ['1995-03-03'] |
16,017 | ['eng'] | ['Abdalla, Elcio', 'Abdalla, Maria Christina B'] | ['Updating QCD$_{2}$'] | ['Particle Physics - Theory'] | ['review', 'gauge field theory, U(N)', 'quantum chromodynamics', 'fermion', 'dimension, 2', 'expansion 1/N', 'dependence, gauge', 'bosonization', 'Wilson loop', 'string model', 'finite temperature', 'Landau-Ginzburg model', 'supersymmetry', 'integrability', 'algebra, W(infinity)', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503002'] | ['we review two-dimensional QCD. The report contains: 1. Introduction. 2. QCD_2 as a field theory 2.1 The 1/N expansion and spectrum, 2.2 Ambiguity in the self-energy of the quark, 2.3 Polyakov--Wiegmann formula and gauge interactions, 2.4 Strong coupling analysis, 2.5 A Lagrangian realization of the coset construction... | ['1995-03-02'] |
16,018 | ['eng'] | ['Ambjørn, Jan', 'Jurkiewicz, J'] | ['Scaling in four dimensional quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'lattice field theory', 'partition function', 'space-time, simplex', 'scaling', 'entropy', 'numerical calculations, Monte Carlo', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503006'] | ["We discuss scaling relations in four dimensional simplicial quantum gravity. Using numerical results obtained with a new algorithm called ``baby universe surgery'' we study the critical region of the theory. The position of the phase transition is given with high accuracy and some critical exponents are measured. The... | ['1995-03-02'] |
16,019 | ['eng'] | ['Periwal, V'] | ['Dimensional continuation without perturbation theory'] | ['Particle Physics - Theory'] | ['n-point function', 'dimension, fractional', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503007'] | ['A formula is proposed for continuing physical correlation functions to non-integer numbers of dimensions, expressing them as infinite weighted sums over the same correlation functions in arbitrary integer dimensions. The formula is motivated by studying the strong coupling expansion, but the end result makes no refer... | ['1995-03-02'] |
16,020 | ['eng'] | ['Rahimitabar, M R', 'Rouhani, S'] | ['Turbulent two dimensional magnetohydrodynamics and conformal field theory'] | ['Particle Physics - Theory'] | ['model, hydrodynamical', 'flux, magnetic', 'magnetic, flux', 'dimension, 2', 'model, turbulence', 'model, minimal', 'correlation function', 'velocity', 'potential', 'field theory, conformal', 'energy spectrum', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503005'] | ["We show that an infinite number of non-unitary minimal models may describe two dimensional turbulent magnetohydrodynamics (MHD), both in the presence and absence of the Alf'ven effect. We argue that the existence of a critical dynamical index results in the Alf'ven effect or equivelently the equipartition of energy. ... | ['1995-03-02'] |
16,021 | ['eng'] | ['Arodz, H'] | ['Expansion in the width'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'vortex', 'perturbation theory', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503001'] | ['We construct an approximate solution of field equations in the Abelian Higgs model which describes motion of a curved vortex. The solution is found to the first order in the inverse mass of the Higgs field with the help of the Hilbert-Chapman-Enskog method. Consistency conditions for the approximate solution are obta... | ['1995-03-02'] |
16,022 | ['eng'] | ['Brihaye, Y', 'Devaux, N', 'Kosinski, P'] | ['Central potential and examples of hidden algebra structure'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'potential, Coulomb', 'Schroedinger equation', 'hidden symmetry', 'Dirac equation', 'Klein-Gordon equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503003'] | ['We propose two generalisations of the Coulomb potential equation of quantum mechanics and investigate the occurence of algebraic eigenfunctions for the corresponding Scrh\\"odinger equations. Some relativistic counterparts of these problems are also discussed.'] | ['1995-03-02'] |
16,023 | ['eng'] | ['Tanimura, S'] | ['Topology and inequivalent quantizations of abelian sigma model'] | ['Particle Physics - Theory'] | ['talk, Mt. Sorak 1995/01/19', 'sigma model, linear', 'dimension, 2', 'quantization', 'operator, algebra', 'algebra, Kac-Moody', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502159'] | ['The abelian sigma model in (1+1) dimensions is a field theoretical model which has a field \\phi : S^1 \\to S^1 . An algebra of the quantum field is defined respecting the topological aspect of the model. It is shown that the zero-mode has an infinite number of inequivalent quantizations. It is also shown that when a... | ['1995-03-01'] |
16,024 | ['eng'] | ['Felder, G', 'Varchenko, A N'] | ['Remarks on the structure constants of the Verlinde algebra associated to sl$_{3}$'] | ['Particle Physics - Theory'] | ['algebra, Verlinde', 'algebra, SL(3)', 'algebra, representation', 'Wess-Zumino-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502164'] | ['The structure constants N_{\\lambda, \\mu}^{\\mu+\\nu} of the sl_2 Verlinde algebra as functions of \\mu either vanish or can be expressed after a change of variable as the weight function of an irreducible representation of sl_2. We give a similar formula in the sl_3 case.'] | ['1995-03-01'] |
16,025 | ['eng'] | ['Siegel, Warren'] | ['Super Yang-Mills theory as a random matrix model'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'matrix model, random', 'string model', 'perturbation theory, higher-order', 'higher-order, 1', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502163'] | ['We generalize the Gervais-Neveu gauge to four-dimensional N=1 superspace. The model describes an N=2 super Yang-Mills theory. All chiral superfields (N=2 matter and ghost multiplets) exactly cancel to all loops. The remaining hermitian scalar superfield (matrix) has a renormalizable massive propagator and simplified ... | ['1995-03-01'] |
16,026 | ['eng'] | ["D'Hoker, E"] | ['Invariant effective actions, cohomology of homogeneous spaces and anomalies'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'coset space', 'effective action', 'Goldstone particle', 'differential geometry', 'differential forms', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502162'] | ['We construct the most general local effective actions for Goldstone boson fields associated with spontaneous symmetry breakdown from a group G to a subgroup H. In a preceding paper, it was shown that any G-invariant term in the action, which results from a non-invariant Lagrangian density, corresponds to a non-trivia... | ['1995-03-01'] |
16,027 | ['eng'] | ['Falceto, F', 'Gawedzki, K'] | ['Elliptic Wess-Zumino-Witten model from elliptic Chern-Simons theory'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'Chern-Simons term', 'Bethe ansatz', 'gauge field theory, SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502161'] | ['This letter continues the program aimed at analysis of the scalar product of states in the Chern-Simons theory. It treats the elliptic case with group SU(2). The formal scalar product is expressed as a multiple finite dimensional integral which, if convergent for every state, provides the space of states with a Hilbe... | ['1995-03-01'] |
16,028 | ['eng'] | ['Eholzer, W'] | ['Fusion algebras and characters of rational conformal field theories'] | ['Particle Physics - Theory'] | ['thesis', 'field theory, conformal', 'field theory, rational', 'dimension, 2', 'algebra, fusion', 'algebra, representation', 'mathematical methods', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502160'] | ["We introduce the notion of (nondegenerate) strongly-modular fusion algebras. Here strongly-modular means that the fusion algebra is induced via Verlinde's formula by a representation of the modular group whose kernel contains a congruence subgroup. Furthermore, nondegenerate means that the conformal dimensions of pos... | ['1995-03-01'] |
16,029 | ['eng'] | ['Hamamoto, S'] | ['Gauging higher derivatives'] | ['Particle Physics - Theory'] | ['gauge field theory, action', 'higher-order', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502158'] | ['The usual prescription for constructing gauge-invariant Lagrangian is generalized to the case where a Lagrangian contains second derivatives of fields as well as first derivatives. Symmetric tensor fields in addition to the usual vector fields are introduced as gauge fields. Covariant derivatives and gauge-field stre... | ['1995-03-01'] |
16,030 | ['eng'] | ['Di Vecchia, P', 'Lerda, A', 'Magnea, L', 'Marotta, R'] | ['Gauge theory renormalizations from the open bosonic string'] | ['Particle Physics - Theory'] | ['string model, boson', 'gauge field theory, SU(N)', 'renormalization', 'effective action', 'background field', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502156'] | ['We present a unified point of view on the different methods available in the literature to extract gauge theory renormalization constants from the low-energy limit of string theory. The Bern-Kosower method, based on an off-shell continuation of string theory amplitudes, and the construction of low-energy string theor... | ['1995-03-01'] |
16,031 | ['eng'] | ['Barbón, José L F', 'Emparan, R'] | ['On quantum black hole entropy and Newton constant renormalization'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'low-energy theorem', 'thermodynamics', 'topology, Euclidean', 'entropy, geometrical', 'black hole, horizon', 'gravitation, fundamental constant', 'renormalization', 'symmetry, mirror'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502155'] | ["We discuss the status of the black hole entropy formula S_{BH} = A_H /4G in low energy effective field theory. The low energy expansion of the classical `intrinsic' entropy is studied in a non-equilibrium situation: the semiclassical decay of hot flat space by black hole nucleation. We also study formal aspects of ge... | ['1995-03-01'] |
16,032 | ['eng'] | ['Giannakis, I', 'Nanopoulos, Dimitri V', 'Yuan, K'] | ['Number of generations in free fermionic string models'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'family', 'algebra, conformal', 'index theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502153'] | ['In string theory there seems to be an intimate connection between spacetime and world-sheet physics. Following this line of thought we investigate the family problem in a particular class of string solutions, namely the free fermionic string models. We find that the number of generations N_g is related to the index o... | ['1995-02-28'] |
16,033 | ['eng'] | ['Kalmykov, M Yu'] | ['Gauge and parametrization dependencies of the one-loop counterterms in the Einstein gravity'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'quantization', 'perturbation theory, higher-order', 'dependence, gauge', 'regularization', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502152'] | ['The parametrization and gauge dependencies of the one-loop counterterms on the mass-shell in the Einstein gravity are investigated. The physical meaning of the loop calculation results on the mass shell and the parametrization dependence of the renormgroup functions in the nonrenormalizable theories are discussed.'] | ['1995-02-28'] |
16,034 | ['eng'] | ['Milton, K A', 'Das, R'] | ['Finite-element lattice Hamiltonian matrix elements'] | ['Particle Physics - Theory'] | ['lattice field theory', 'model, oscillator', 'Hamiltonian formalism', 'operator', 'energy, ground state', 'commutation relations', 'wave function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502151'] | ['The finite-element approach to lattice field theory is both highly accurate (relative errors \\sim 1/N^2, where N is the number of lattice points) and exactly unitary (in the sense that canonical commutation relations are exactly preserved at the lattice sites). In this paper we construct matrix elements for the time... | ['1995-02-28'] |
16,035 | ['eng'] | ['Jofre, O', 'Núñez, C'] | ['An exact cosmological solution to string theory'] | ['Particle Physics - Theory'] | ['string model', 'field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'algebra, SL(2,R)', 'duality, transformation', 'current algebra', 'operator product expansion', 'astrophysics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502150'] | ['A homogeneous anisotropic four dimensional spacetime with Lorentzian signature is constructed from an ungauged WZW model based on a non-semisimple Lie group. The associated non-linear \\sigma -model describes string propagation in an expanding-contracting universe with antisymmetric tensor and dilaton backgrounds. Th... | ['1995-02-28'] |
16,036 | ['eng'] | ['Yung, A V'] | ['Instanton dynamics in the broken phase of the topological sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'field theory, topological', 'black hole', 'invariance, Becchi-Rouet-Stora', 'field theory, instanton', 'gas, Coulomb', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502149'] | ['The topological \\sigma model with the black hole metric of the target space is considered. It has been shown before that this model is in the phase with BRST-symmetry broken. In particular, vacuum energy is non-\\-zero and correlation functions of observables show the coordinate dependence. However these quantities ... | ['1995-02-28'] |
16,037 | ['eng'] | ['Buchbinder, I L', 'Kuzenko, S M', 'Sibiryakov, A G'] | ['Quantization of higher spin superfields in the anti-de Sitter superspace'] | ['Particle Physics - Theory'] | ['gauge field theory', 'spin, high', 'high, spin', 'supersymmetry, superfield', 'space-time, anti-de Sitter', 'quantization', 'path integral', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502148'] | ['We describe a Lagrangian quantization of the free massless gauge superfield theories of higher superspins both in the anti-de Sitter and flat global superspaces.'] | ['1995-02-28'] |
16,038 | ['eng'] | ['Brandhuber, A', 'Emery, S', 'Landsteiner, K', 'Schweda, Manfred'] | ['The three-dimensional BF model with cosmological term in the axial gauge'] | ['Particle Physics - Theory'] | ['field theory, topological', 'dimension, 3', 'axial gauge', 'propagator', 'Ward identity', 'symmetry', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502147'] | ['We quantize the three-dimensional BF-model using axial gauge conditions. Exploiting the rich symmetry-structure of the model we show that the Green-functions correspond to tree graphs and can be obtained as the unique solution of the Ward-Identities. Furthermore, we will show that the theory can be uniquely determine... | ['1995-02-28'] |
16,039 | ['eng'] | ['Faizullaev, B A', 'Musakhanov, M M', 'Pak, N K'] | ['On the higher-loop contributions to the axial anomaly'] | ['Particle Physics - Theory'] | ['current, axial', 'anomaly, axial', 'photon, external field', 'regularization', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502139'] | ['The problem of the higher-loop contributions to the axial anomaly is reexamined by a new method. We demonstrate that these contributions depend on the order of the calculations. If we first calculate the divergence of the axial current in the presence of the external photon field by nonperturbative Fujikawa method an... | ['1995-02-27'] |
16,040 | ['eng'] | ['Par, J'] | ['Nonlocally regularized antibracket-antifield formalism and anomalies in chiral W$_{3}$ gravity'] | ['Particle Physics - Theory'] | ['regularization, nonlocal', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'Ward identity', 'anomaly', 'master equation', 'gravitation, chiral', 'gauge field theory, W(3)', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502140'] | ['The nonlocal regularization method, recently proposed in ref.\\,\\ct{emkw91,kw92,kw93}, is extended to general gauge theories by reformulating it along the ideas of the antibracket-antifield formalism. From the interplay of both frameworks a fully regularized version of the field-antifield (FA) formalism arises, bein... | ['1995-02-27'] |
16,041 | ['eng'] | ['Bandos, I A', 'Sorokin, D P', 'Volkov, D'] | ['On the generalized action principle for superstrings and supermembranes'] | ['Particle Physics - Theory'] | ['mechanics, relativistic', 'membrane model, p-brane', 'supersymmetry, superspace', 'twistor', 'field theory, action', 'field equations', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502141'] | ['We revise the twistor--like superfield approach to describing super--p--branes by use of the basic principles of the group--manifold approach \\cite{rheo}. A super--p--brane action is constructed solely of geometrical objects as the integral over a (p+1)--surface. The Lagrangian is the external product of supervielbe... | ['1995-02-27'] |
16,042 | ['eng'] | ['Rochev, V E', 'Saponov, P A'] | ['Schwinger equation as singularly perturbed equation'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, Euclidean', 'field theory, nonlocal', 'path integral', 'n-point function', 'Dyson-Schwinger equation', 'perturbation theory', 'nonperturbative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502142'] | ["A new approximation scheme for non-perturbative calculations in a quantum field theory is proposed. The scheme is based on investigation of solutions of the Schwinger equation with its singular character taken into account. As a necessary supplementary boundary condition the Green functions' connected structures corr... | ['1995-02-27'] |
16,043 | ['eng'] | ['Bandos, I A', 'Nurmagambetov, A Yu', 'Sorokin, D P', 'Volkov, D'] | ['Twistor-like superparticles revisited'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'supersymmetry, superspace', 'dimension, 3', 'dimension, 4', 'dimension, 6', 'twistor', 'mechanics, action', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502143'] | ['We consider a formulation of N=1 D=3,4 and 6 superparticle mechanics, which is manifestly supersymmetric on the worldline and in the target superspace. For the construction of the action we use only geometrical objects that characterize the embedding of the worldline superspace into the target superspace, such as tar... | ['1995-02-27'] |
16,044 | ['eng'] | ['Cvetic, M', 'Ovrut, B A', 'Sabra, W A'] | ['Kähler potentials for orbifolds with continuous Wilson lines and the symmetries of the string action'] | ['Particle Physics - Theory'] | ['string model', 'field theory, conformal', 'potential, Kaehler', 'symmetry breaking, Wilson loop', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502144'] | ['By employing the symmetries of the underlying conformal field theory, the tree-level K\\"ahler potentials for untwisted moduli of the heterotic string compactifications on orbifolds with continuous Wilson lines are derived. These symmetries act linearly on bosonic (toroidal and E_8\\times E_8 gauge) string coordinate... | ['1995-02-27'] |
16,045 | ['eng'] | ['Fülöp, T'] | ['Reduced SL(2,R) WZNW quantum mechanics'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'dimension, 2', 'symmetry, SL(2,R)', 'dimensional reduction', 'mechanics, classical', 'quantum mechanics', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502145'] | ['The SL(2,R) WZNW -> Liouville reduction leads to a nontrivial phase space on the classical level both in 0 + 1 and 1 + 1 dimensions. To study the consequences in the quantum theory, the quantum mechanics of the 0 + 1 dimensional, point particle version of the constrained WZNW model is investigated. The spectrum and t... | ['1995-02-27'] |
16,046 | ['eng'] | ['Welch, D L'] | ['On the smoothness of the horizons of multi-black hole solutions'] | ['Particle Physics - Theory'] | ['space-time', 'boundary condition', 'black hole, horizon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502146'] | ['In a recent paper it was suggested that some multi-black hole solutions in five or more dimensions have horizons that are not smooth. These black hole configurations are solutions to d-dimensional Einstein gravity (with no dilaton) and are extremally charged with a magnetic type (d-2)-form. In this work these solutio... | ['1995-02-27'] |
16,047 | ['eng'] | ['Batakis, N A'] | ['On the classification of spatially homogeneous 4D string backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502136'] | ['A classification of all possible spatially homogeneous 4D string backgrounds (HSBs) has been obtained by appropriate ramification of the existing nine Bianchi types of homogeneous 3D spaces. A total of 24^2=576 HSBs which have been classified as distinct contains a subclass of 192 which includes all possible FRW mode... | ['1995-02-24'] |
16,048 | ['eng'] | ['Montague, P S'] | ['Third and higher order NFPA twisted constructions of conformal field theories from lattices'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, orbifold', 'orbifold, twist', 'lattice field theory', 'operator, vertex', 'linear spaces, Hilbert space', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502138'] | ["We investigate orbifold constructions of conformal field theories from lattices by no-fixed-point automorphisms (NFPA's) Z_p for p prime, p>2 concentrating on the case p=3. Explicit expressions are given for most of the relevant vertex operators, and we consider the locality relations necessary for these to define a ... | ['1995-02-24'] |
16,049 | ['eng'] | ['Caicedo, M I', 'Gianvittorio, R', 'Restuccia, A', 'Stephany, J'] | ['BRST quantization of non-abelian BF topological theories'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'nonabelian', 'dimension, >=4', 'quantization', 'Hamiltonian formalism', 'path integral', 'transformation, Becchi-Rouet-Stora', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502137'] | ['The off-shell nilpotent BRST charge and the BRST invariant effective action for non-abelian BF topological theories over D-dimensional manifolds are explicitly constructed. These theories have the feature of being reducible with exactly D-3 stages of reducibility. The adequate extended phase space including the diffe... | ['1995-02-24'] |
16,050 | ['eng'] | ['Dotsenko, V S', 'Dotsenko, V S', 'Picco, M', 'Pujol, P'] | ['Renormalization group solution for the two-dimensional random bond Potts model with broken replica symmetry'] | ['Particle Physics - Theory'] | ['Potts model, random', 'dimension, 2', 'coupling constant, ferromagnet', 'ferromagnet, coupling constant', 'renormalization group, fixed point', 'universality', 'symmetry, replica', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502134'] | ['We find a new solution of the renormalization group for the Potts model with ferromagnetic random valued coupling constants. The solution exhibits universality and broken replica symmetry. It is argued that the model reaches this universality class if the replica symmetry is broken initially. Otherwise the model stay... | ['1995-02-23'] |
16,051 | ['eng'] | ['Kazakov, V A', 'Staudacher, M', 'Wynter, T'] | ['Character expansion methods for matrix models of dually weighted graphs'] | ['Particle Physics - Theory'] | ['matrix model, planar', 'partition function', 'group theory, representation', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502132'] | ['We consider generalized one-matrix models in which external fields allow control over the coordination numbers on both the original and dual lattices. We rederive in a simple fashion a character expansion formula for these models originally due to Itzykson and Di Francesco, and then demonstrate how to take the large ... | ['1995-02-23'] |
16,052 | ['eng'] | ['Elizalde, E', 'Odintsov, S D', 'Romeo, A'] | ['Renormalization group properties of higher-derivative quantum gravity with matter in 4-$\\varepsilon$ dimensions'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, scalar', 'gauge field theory, Yang-Mills', 'field theory, action', 'renormalization group', 'epsilon expansion', 'effective potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502131'] | ['We investigate the phase structure and the infrared properties of higher-derivative quantum gravity (QG) ---in its conformal and general versions--- with matter, in 4-\\varepsilon dimensions. The renormalization group (RG) equations in 4-\\varepsilon dimensions are analysed for the following types of matter: the f\\v... | ['1995-02-23'] |
16,053 | ['eng'] | ['Gasperini, M', 'Giovannini, M', 'Meissner, K A', 'Veneziano, Gabriele'] | ['Evolution of a string network in backgrounds with rolling horizons'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'astrophysics, background', 'effective action', 'space-time, horizon', 'inflationary universe'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502130'] | ['We discuss the temporal variation of the equation of state of a classical string network, evolving in a background in which the Hubble radius 1/H shrinks to a minimum and then re-expands to infinity. We also present a method to look for self-consistent non-vacuum string backgrounds, correponding to the simultaneous s... | ['1995-02-23'] |
16,054 | ['eng'] | ['Knecht, M', 'Pasquier, R', 'Pasquier, J Y'] | ['Painlevé analysis and integrability properties of a 2+1 nonrelativistic field theory'] | ['Particle Physics - Theory'] | ['field theory, nonrelativistic', 'gauge field theory, U(1)', 'Chern-Simons term', 'field theory, scalar', 'dimension, 3', 'Schroedinger equation, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502128'] | ['A model for planar phenomena introduced by Jackiw and Pi and described by a Lagrangian including a Chern-Simons term is considered. The associated equations of motion, among which a 2+1 gauged nonlinear Schr\\"odinger equation, are rewritten into a gauge independent form involving the modulus of the matter field. App... | ['1995-02-23'] |
16,055 | ['eng'] | ['Fujiwara, T', 'Igarashi, Y', 'Kuriki, R', 'Tabei, T'] | ['BFV-BRST quantization of 2D supergravity'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'supergravity', 'dimension, 2', 'quantization, Batalin-Vilkovisky', 'transformation, Becchi-Rouet-Stora', 'effective action', 'field theory, Liouville', 'anomaly', 'dependence, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502127'] | ['Two-dimensional supergravity theory is quantized as an anomalous gauge theory. In the Batalin-Fradkin (BF) formalism, the anomaly-canceling super-Liouville fields are introduced to identify the original second-class constrained system with a gauge-fixed version of a first-class system. The BFV-BRST quantization appli... | ['1995-02-22'] |
16,056 | ['eng'] | ['Curtright, T L', 'Zachos, C K'] | ['Canonical nonabelian dual transformations in supersymmetric field theories'] | ['Particle Physics - Theory'] | ['model, chiral', 'supersymmetry', 'duality, transformation', 'nonabelian', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502126'] | ['A generating functional F is found for a canonical nonabelian dual transformation which maps the supersymmetric chiral O(4) \\sigma-model to an equivalent supersymmetric extension of the dual \\sigma-model. This F produces a mapping between the classical phase spaces of the two theories in which the bosonic (coordina... | ['1995-02-22'] |
16,057 | ['eng'] | ['Gasperini, M', 'Giovannini, M'] | ['Von Neumann and Shannon-Wehrl entropy for squeezed states and cosmological particle production'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'vacuum state, squeezed state', 'particle, pair production', 'pair production, particle', 'entropy', 'density matrix', 'coherent state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502112'] | ['We show that the effective coarse graining of a two-mode squeezed density matrix, implicit in the Wehrl approaches to a semiclassical phase-space distribution, leads to results in agreement with previous different definitions of entropy for the process of pair production from the vacuum. We also present, in this cont... | ['1995-02-20'] |
16,058 | ['eng'] | ['Shapiro, I L', 'Takata, H'] | ['One loop renormalization of the four-dimensional theory for quantum dilaton gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, dilaton', 'field theory, action', 'renormalization', 'perturbation theory, higher-order', 'field theory, finite'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502111'] | ['We study the one loop renormalization in the most general metric-dilaton theory with the second derivative terms only. The general theory can be divided into two classes, models of one are equivalent to conformally coupled with gravity scalar field and also to general relativity with cosmological term. The models of ... | ['1995-02-20'] |
16,059 | ['eng'] | ['Singleton, D A'] | ['Axially symmetric solutions for SU(2) Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'field theory, scalar', 'symmetry, axial', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502116'] | ['By casting the Yang-Mills-Higgs equations of an SU(2) theory in the form of the Ernst equations of general relativity, it is shown how the known exact solutions of general relativity can be used to give similiar solutions for Yang-Mills theory. Thus all the known exact solutions of general relativity with axial symme... | ['1995-02-24'] |
16,060 | ['eng'] | ['Gracía-Bondía, José M'] | ["Connes' interpretation of the standard model and massive neutrinos"] | ['Particle Physics - Theory'] | ['electroweak interaction', 'differential geometry, noncommutative', 'neutrino, massive', 'massive, neutrino', 'Higgs particle, mass', 'mass, Higgs particle', 'gauge field theory, SU(3) x SU(2) x U(1)', 'effective Lagrangian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502120'] | ['Massive neutrinos can be accommodated into the noncommutative geometry reinterpretation of the Standard Model. The constrained Standard Model Lagrangian is computed anew under the assumption of nonzero neutrino masses. This gives the ``prediction" of a mass for the Higgs particle somewhat higher than in the vanishing... | ['1995-02-20'] |
16,061 | ['eng'] | ['Cattaneo, A S', 'Cotta-Ramusino, P', 'Gamba, A', 'Martellini, M'] | ["The Donaldson-Witten invariants in pure QCD with order and disorder 't Hooft-like operators"] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, Theta parameter', 'flux, electric', 'electric, flux', 'flux, magnetic', 'magnetic, flux', 'duality', 'path integral', 'charge, topological', 'moduli space', 'geometry, algebra', 'Donaldson theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502110'] | ["In this paper we study the first-order formalism of the pure four-dimensional {\\rm SU}(2) Yang-Mills theory with theta-term. We argue that the associated Green's functions of 't Hooft-like electric and magnetic flux operators described by explicit gauge-invariant non local operators are the famous Donaldson-Witten's... | ['1995-02-20'] |
16,062 | ['eng'] | ['Kim, W T', 'Lee, J'] | ['Hawking radiation and energy conservation in an evaporating black hole'] | ['Particle Physics - Theory'] | ['black hole', 'radiation, Hawking', 'field theory, dilaton', 'dimension, 2', 'energy, conservation law', 'ghost, decoupling', 'decoupling, ghost', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502115'] | ["We define the Bondi energy for two-dimensional dilatonic gravity theories by generalizing the known expression of the ADM energy. We show that our definition of the Bondi energy is exactly the ADM energy minus the radiation energy at null infinity. An explicit calculation is done for the evaporating black hole in the... | ['1995-02-20'] |
16,063 | ['eng'] | ['Hetrick, J E', 'Hosotani, Y', 'Iso, S'] | ['The massive multi-flavor Schwinger model'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'fermion, flavor', 'field theory, massive', 'massive, field theory', 'correlation function', 'bosonization', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502113'] | ['QED with N species of massive fermions on a circle of circumference L is analyzed by bosonization. The problem is reduced to the quantum mechanics of the 2N fermionic and one gauge field zero modes on the circle, with nontrivial interactions induced by the chiral anomaly and fermions masses. The solution is given for... | ['1995-02-20'] |
16,064 | ['eng'] | ['Cvetic, M', 'Youm, D'] | ['Kaluza-Klein black holes within heterotic string theory on a torus'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 10', 'spontaneous compactification, torus', 'dimension, 6', 'dimension, 4', 'field equations, solution', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502119'] | ['We point out that in heterotic string theory compactified on a 6-torus, after a consistent truncation of the 10-d gauge fields and the antisymmetric tensor fields, 4-dimensional black holes of Kaluza-Klein theory on a 6-torus constitute a subset of solutions.'] | ['1995-02-20'] |
16,065 | ['eng'] | ['Baver, E', 'Gepner, D'] | ['Fermionic sum representations for the Virasoro characters of the unitary superconformal minimal models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'model, minimal', 'supersymmetry', 'algebra, representation', 'lattice field theory', 'character, Virasoro', 'coset space, SU(2) x SU(2)/SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502118'] | ['We present fermionic sum representation for the general Virasoro character of the unitary minimal superconformal series (N=1). Example of the corresponding ``finitizated" identities relating corner transfer matrix polynomials with fermionic companions is considered. These identities in the thermodynamic limit lead to... | ['1995-02-20'] |
16,066 | ['eng'] | ['Mondragón, M N', 'Nellen, L', 'Schmidt, M G', 'Schubert, C'] | ['Yukawa couplings for the spinning particle and the worldline formalism'] | ['Particle Physics - Theory'] | ['particle, Dirac', 'background field, scalar', 'field theory, action', 'coupling, Yukawa', 'Yukawa, coupling', 'effective action', 'Feynman graph', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502125'] | ['We construct the world-line action for a Dirac particle coupled to a classical scalar or pseudo-scalar background field. This action can be used to compute loop diagrams and the effective action in the Yukawa model using the world-line path-integral formalism for spinning particles.'] | ['1995-02-21'] |
16,067 | ['eng'] | ['Polyakov, D G'] | ['Picture-changing operators and space-time supersymmetry'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, transformation', 'operator, vertex', 'partition function', 'ghost', 'invariance, Becchi-Rouet-Stora', 'n-point function', 'mathematical methods, geometrical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502124'] | ['We explore geometrical properties of fermionic vertex operators for a NSR superstring in order to establish connection between worldsheet and target space supersymmetries. The mechanism of picture-changing is obtained as a result of imposing certain constraints on a world-sheet gauge group of the NSR theory. It is fo... | ['1995-02-21'] |
16,068 | ['eng'] | ['Chen, Y', 'Eriksen, K J', 'Tracy, C A'] | ['Largest eigenvalue distribution in the double scaling limit of matrix models'] | ['Particle Physics - Theory'] | ['matrix model', 'potential', 'scaling', 'thermodynamics', 'fluid, Coulomb', 'critical phenomena', 'energy spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502123'] | ['Using thermodynamic arguments we find that the probability that there are no eigenvalues in the interval (-s,\\infty) in the double scaling limit of Hermitean matrix models is O(exp(-s^{2m+1})) as s\\rightarrow+\\infty.Here m=1,2,3.. determine the m^{th} multi-critical point of the level density:\\sigma(x)\\sim b[1-(... | ['1995-02-21'] |
16,069 | ['eng'] | ['Klimcík, C', 'Severa, P'] | ['Dual non-abelian duality and the Drinfeld double'] | ['Particle Physics - Theory'] | ['sigma model', 'duality, nonabelian', 'duality, transformation', 'algebra, Lie', 'space, modular'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502122'] | ["The standard notion of the non-abelian duality in string theory is generalized to the class of \\sigma-models admitting `non-commutative conserved charges'. Such \\sigma-models can be associated with every Lie bialgebra ({\\cal G},\\tilde{\\cal G}) and they posses an isometry group iff the commutant [\\tilde{\\cal G}... | ['1995-02-21'] |
16,070 | ['eng'] | ['Frolov, S A'] | ['Hamiltonian lattice gauge models and the Heisenberg double'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'lattice field theory', 'Hamiltonian formalism', 'algebra, Lie', 'any-dimensional', 'Wilson loop', 'invariance, gauge', 'operator, vertex', 'continuum limit'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502121'] | ['Hamiltonian lattice gauge models based on the assignment of the Heisenberg double of a Lie group to each link of the lattice are constructed in arbitrary space-time dimensions. It is shown that the corresponding generalization of the gauge-invariant Wilson line observables requires to attach to each vertex of the lin... | ['1995-02-21'] |
16,071 | ['eng'] | ['Peter, A', 'Häuser, J M', 'Thoma, M H', 'Cassing, W'] | ['Cluster expansion approach to the effective potential in $\\Phi^{4}_{2+1}$-theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 3', 'effective potential', 'expansion, cluster', 'field equations, solution', 'n-point function', 'Hamiltonian formalism', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502103'] | ['We apply a truncated set of dynamical equations of motion for connected equal-time Green functions up to the 4-point level to the investigation of spontaneous ground state symmetry breaking in \\Phi^4_{2+1} quantum field theory. Within our momentum space discretization we obtain a second order phase transition as soo... | ['1995-02-17'] |
16,072 | ['eng'] | ['Ferrari, F'] | ['Field theories on the Poincaré disk'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'field theory, scalar', 'field theory, massive', 'massive, field theory', 'Schwinger model', 'dimension, 2', 'boundary condition', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502104'] | ["The massive scalar field theory and the chiral Schwinger model are quantized on a Poincar\\'e disk of radius \\rho. The amplitudes are derived in terms of hypergeometric functions. The behavior at long distances and near the boundary of some of the relevant correlation functions is studied. The exact computation of t... | ['1995-02-17'] |
16,073 | ['eng'] | ['Harada, K', 'Okazaki, A', 'Taniguchi, M A'] | ['Six-body LFTD and wave functions for the massive Schwinger model'] | ['Particle Physics - Theory'] | ['Schwinger model, massive', 'massive, Schwinger model', 'expansion, strong coupling', 'strong coupling, expansion', 'Tamm-Dancoff approximation, light front', 'bound state, (2meson)', 'bound state, (3meson)', 'meson, wave function', 'mass spectrum', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502102'] | ['The spectrum of the massive Schwinger model in the strong coupling region is obtained by using the light-front Tamm-Dancoff (LFTD) approximation up to including six-body states. We numerically confirm that the two-meson bound state has a negligibly small six-body components. Emphasis is on the usefulness of the infor... | ['1995-02-17'] |
16,074 | ['eng'] | ['Gutperle, M'] | ['Multi-boundary effects in Dirichlet string theory'] | ['Particle Physics - Theory'] | ['string model', 'scattering amplitude', 'Riemann surfaces, higher-order', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502106'] | ['String amplitudes with an arbitrary number of world-sheet boundaries on which the coordinates satisfy Dirichlet boundary conditions are analyzed in a path integral framework. Special attention is payed to the novel divergences associated with such conditions. Certain helicity amplitudes involving massless closed-stri... | ['1995-02-17'] |
16,075 | ['eng'] | ['Becker, K', 'Becker, M', 'Strominger, A'] | ['Three-dimensional supergravity and the cosmological constant'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 3', 'astrophysics, fundamental constant', 'field theory, soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502107'] | ['Witten has argued that in 2+1 dimensions local supersymmetry can ensure the vanishing of the cosmological constant without requiring the equality of bose and fermi masses. We find that this mechanism is implemented in a novel fashion in the (2+1)-dimensional supersymmetric abelian Higgs model coupled to supergravity.... | ['1995-02-17'] |
16,076 | ['eng'] | ['Lü, H', 'Pope, C N', 'Stelle, Kellogg S', 'Xu, K W'] | ['Embedding of the bosonic string into the W$_{3}$ string'] | ['Particle Physics - Theory'] | ['string model, boson', 'algebra, W(3)', 'algebra, representation', 'operator product expansion', 'operator, Becchi-Rouet-Stora', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502108'] | ['We construct new realisations of the W_3 algebra with arbitrary central charge, making use of the fact that this algebra can be linearised by the inclusion of a spin-1 current. We use the new realisations with c=102 and c=100 to build non-critical and critical W_3 BRST operators. Both of these can be converted by loc... | ['1995-02-17'] |
16,077 | ['eng'] | ['Mottola, E'] | ['Functional integration over geometries'] | ['Particle Physics - Theory'] | ['path integral, measure', 'geometry', 'coset space', 'gauge field theory, nonabelian', 'effective action', 'dimension, 2', 'dimension, 4', 'scaling, finite size', 'photon, gas', 'anomaly, conformal', 'quantum gravity', 'partition function', 'renormalization', 'triangulation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502109'] | ['The geometric construction of the functional integral over coset spaces {\\cal M}/{\\cal G} is reviewed. The inner product on the cotangent space of infinitesimal deformations of \\cal M defines an invariant distance and volume form, or functional integration measure on the full configuration space. Then, by a simple... | ['1995-02-17'] |
16,078 | ['eng'] | ['Amelino-Camelia, G'] | ['Field theoretical and quantum mechanical descriptions of colliding and non-colliding anyons'] | ['Particle Physics - Theory'] | ['talk', 'postulated particle, anyon', 'scattering, anyon', 'anyon, scattering', 'gauge field theory, U(1)', 'field theory, scalar', 'dimension, 3', 'nonrelativistic', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502105'] | ['I discuss two techniques that can be used in the investigation of the properties of ``colliding" and ``non-colliding" anyons.'] | ['1995-02-17'] |
16,079 | ['eng'] | ['Schlingemann, D'] | ['On the algebraic theory of soliton and antisoliton sectors'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'soliton', 'phase space, Hilbert space', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601015'] | ['We consider the properties of massive one particle states on a translation covariant Haag-Kastler net in Minkowski space. In two dimensional theories, these states can be interpreted as soliton states and we are interested in the existence of antisolitons. It is shown that for each soliton state there are three diffe... | ['1996-01-09'] |
16,080 | ['eng'] | ['Ichinose, S', 'Tsuda, N', 'Yukawa, T'] | ['Classical solution of two dimensional R^2-gravity and cross-over phenomenon'] | ['Particle Physics - Theory'] | ['quantum gravity, higher-order', 'dimension, 2', 'critical phenomena', 'approximation, quasiclassical', 'effective action', 'field equations, Liouville', 'field equations, solution', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502101'] | ['Two dimensional quantum R^2-gravity and its phase structure are examined in the semiclassical approach and compared with the results of the numerical simulation. Three phases are succinctly characterized by the effective action. A classical solution of R^2-Liouville equation is obtained by use of the solution of the ... | ['1995-02-16'] |
16,081 | ['eng'] | ['Kanti, Panagiota', 'Tamvakis, Kyriakos'] | ['Classical moduli hair for Kerr black holes in string gravity'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'field theory, solution', 'moduli space', 'black hole, hair', 'charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502093'] | ["We compute the external moduli and dilaton hair to O(\\alpha') in the framework of the one-loop corrected superstring effective action for a rotating black hole background."] | ['1995-02-16'] |
16,082 | ['eng'] | ['Grisaru, Marc T', 'Zanon, D'] | ['Supergravity dressing of beta-functions in N=1 and N=2 supersymmetric models'] | ['Particle Physics - Theory'] | ['supergravity', 'sigma model, nonlinear', 'supersymmetry', 'superconformal gauge', 'light cone gauge', 'renormalization group, beta function', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502094'] | ['We discuss the dressing of one-loop sigma-model beta-functions by induced supergravity, for both N=1 and N=2 supersymmetric theories. We obtain exact results by a superconformal gauge argument, and verify them in the semi-classical limit by explicit perturbative calculations in the light-cone gauge. We find that for ... | ['1995-02-16'] |
16,083 | ['eng'] | ['Di Renzo, F', 'Marchesini, G', 'Onofri, E'] | ['Renormalons from eight loop expansion of the gluon condensate in lattice gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'lattice field theory', 'regularization, lattice', 'operator, local', 'expansion, weak coupling', 'weak coupling, expansion', 'gluon, condensation', 'perturbation theory', 'Wilson loop', 'infrared problem', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502095'] | ['We use a numerical method to obtain the weak coupling perturbative coefficients of local operators with lattice regularization. Such a method allows us to extend the perturbative expansions obtained so far by analytical Feynman diagrams calculations. In SU(3) lattice gauge theory in four dimensions we compute the fir... | ['1995-02-16'] |
16,084 | ['eng'] | ['Halász, M A', 'Verbaarschot, J J M'] | ['Effective lagrangians and chiral random matrix theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion, background field', 'operator, Dirac', 'sum rule', 'effective Lagrangian', 'matrix model, random', 'matrix model, chiral', 'fermion, determinant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502096'] | ['Recently, sum rules were derived for the inverse eigenvalues of the Dirac operator. They were obtained in two different ways: i) starting from the low-energy effective Lagrangian and ii) starting from a random matrix theory with the symmetries of the Dirac operator. This suggests that the effective theory can be obta... | ['1995-02-16'] |
16,085 | ['eng'] | ['Krahe, F'] | ['On the algebra of ghost fields'] | ['Particle Physics - Theory'] | ['ghost', 'charge', 'operator, algebra', 'linear spaces, Hilbert space', 'Fock space', 'S-matrix', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502097'] | ['We study in detail the algebra of free ghost fields which we realize in a Hilbert-Fock space with positive metric. The investigation of causality clarifies the exact reason for the failure of the spin-statistics theorem and leads to the introduction of the Krein Operator. We study the charge algebra of the ghost fiel... | ['1995-02-16'] |
16,086 | ['eng'] | ['Bose, S', 'Parker, L', 'Peleg, Y'] | ['Semi-infinite throat as the end-state geometry of two-dimensional black hole evaporation'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'dimension, 2', 'radiation, Hawking', 'gravitation, dilaton', 'effect, back reaction', 'space-time, boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502098'] | ['We study a modified two-dimensional dilaton gravity theory which is exactly solvable in the semiclassical approximation including back-reaction. The vacuum solutions of this modified theory are asymptotically flat static space-times. Infalling matter forms a black hole if its energy is above a certain threshold. The ... | ['1995-02-16'] |
16,087 | ['eng'] | ['Cvetic, M', 'Youm, D'] | ['Static four-dimensional abelian black holes in Kaluza-Klein theory'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'field equations, solution', 'black hole', 'dimensional reduction', 'electric field', 'magnetic field', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502099'] | ["Static, four-dimensional (4-d) black holes (BH's) in (4+n)-d Kaluza-Klein (KK) theory with Abelian isometry and diagonal internal metric have at most one electric (Q) and one magnetic (P) charges, which can either come from the same U(1)-gauge field (corresponding to BH's in effective 5-d KK theory) or from different... | ['1995-02-16'] |
16,088 | ['eng'] | ['Kondo, K I'] | ['Bosonization and duality of massive Thirring model'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'massive, Thirring model', 'dimension, >2', 'bosonization', 'duality, transformation', 'transformation, Becchi-Rouet-Stora', 'gauge field theory, U(1)', 'Chern-Simons term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502100'] | ['Starting from a formulation of the Thirring model as a gauge theory, we consider the bosonization of the D-dimensional massive Thirring model (D \\ge 2) with four-fermion interaction of the current-current type. Especially we pay attention to the case of very massive fermion m \\gg 1 in (2+1) and (1+1) dimensions. Up... | ['1995-02-16'] |
16,089 | ['eng'] | ['Cadoni, M', 'Cavaglià, M'] | ['Instability of the R$^{3}$ x S$^{1}$ vacuum in low-energy effective string theory'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'space-time, circle', 'ground state, stability', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502086'] | ['We present and discuss an euclidean solution of the low-energy effective string action that can be interpreded as a semiclassical decay process of the ground state of the theory.'] | ['1995-02-15'] |
16,090 | ['eng'] | ['Morozov, A'] | ['Matrix models as integrable systems'] | ['Particle Physics - Theory'] | ['lectures, Banff 1994/08/16', 'matrix model', 'differential equations, hierarchy', 'integrability', 'field theory, conformal', 'dimension, 2', 'group theory', 'correlation function', 'fermion, determinant', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502091'] | ['The theory of matrix models is reviewed from the point of view of its relation to integrable hierarchies. Determinantal formulas, relation to conformal field models and the theory of Generalized Kontsevich model are discussed in some detail. Attention is also paid to the group-theoretical interpretation of \\tau-func... | ['1995-02-15'] |
16,091 | ['eng'] | ['Accardi, L', 'Volovich, I V'] | ['The master field for rainbow diagrams and free non-commutative random variables'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'Feynman graph, planar', 'matrix model', 'correlation function', 'Dyson-Schwinger equation, solution', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502092'] | ['The master field for a subclass of planar diagrams, so called rainbow diagrams, for higher dimensional large N theories is considered. An explicit representation for the master field in terms of noncommutative random variables in the modified interaction representation in the Boltzmannian Fock space is given. A natur... | ['1995-02-15'] |
16,092 | ['eng'] | ['Llatas, P M', 'Roy, S'] | ['N=4'] | ['Particle Physics - Theory'] | ['gravitation', 'string model', 'sigma model, nonlinear', 'field theory, topological', 'dimension, 2', 'conformal gauge', 'transformation, Becchi-Rouet-Stora', 'operator, algebra', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502090'] | ["It is shown that two dimensional (2d) topological gravity in the conformal gauge has a larger symmetry than has been hitherto recognized; in the formulation of Labastida, Pernici and Witten it contains a twisted ``small'' N=4 superconformal symmetry. There are in fact two distinct twisted N=2 structures within this N... | ['1995-02-15'] |
16,093 | ['eng'] | ['Bonelli, G', 'Marchetti, P A', 'Matone, M'] | ['Algebraic-geometrical formulation of two-dimensional quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'Riemann surfaces, higher-order', 'moduli space', 'partition function', 'asymptotic expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502089'] | ["We find a volume form on moduli space of double punctured Riemann surfaces whose integral satisfies the Painlev\\'e I recursion relations of the genus expansion of the specific heat of 2D gravity. This allows us to express the asymptotic expansion of the specific heat as an integral on an infinite dimensional moduli ... | ['1995-02-15'] |
16,094 | ['eng'] | ['Hirshfeld, A C', 'Sassenberg, U'] | ['Derivation of the total twist from Chern-Simons theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Chern-Simons term', 'dimension, 3', 'knot theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502088'] | ['The total twist number, which represents the first non-trivial Vassiliev knot invariant, is derived from the second order expression of the Wilson loop expectation value in the Chern-Simons theory. Using the well-known fact that the analytical expression is an invariant, a non-recursive formulation of the total twist... | ['1995-02-15'] |
16,095 | ['eng'] | ['Buchbinder, I L', 'Mistchuk, B R', 'Pershin, V D'] | ['BRST - BFV analysis of anomalies in bosonic string theory interacting with background gravitational field'] | ['Particle Physics - Theory'] | ['string model, boson', 'gravitation, background field', 'anomaly, operator', 'transformation, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502087'] | ['The general BRST-BFV analysis of anomaly in the string theory coupled to background fields is carried out. An exact equation for c-valued symbol of anomaly operator is found and structure of its solutions is studied.'] | ['1995-02-15'] |
16,096 | ['eng'] | ['Bimonte, G', 'Iengo, R', 'Lozano, G S'] | ['uv asymptotically free QED as a broken YM theory in the unitary gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'fermion, flavor', 'symmetry, spontaneously broken', 'renormalization group', 'unitary gauge', 'asymptotic freedom', 'quantum electrodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502085'] | ["We compute the \\beta-function of a YM theory, broken to U(1), by evaluating the coupling constant renormalization in the broken phase. We perform the calculation in the unitary gauge where only physical particles appear and the theory looks like a version of QED containing massive charged spin 1 particles. We consid... | ['1995-02-15'] |
16,097 | ['eng'] | ['Alejandro, G', 'Mazzitelli, F D', 'Núñez, C'] | ['Quantum corrections and extremal black holes'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, dilaton', 'dimension, 2', 'quantization', 'black hole', 'potential, correction', 'radiation, Hawking', 'postulated particle, tachyon', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502084'] | ['We consider static solutions of two dimensional dilaton gravity models as toy laboratories to address the question of the final fate of black holes. A non perturbative correction to the CGHS potential term is shown to lead classically to an extremal black hole geometry, thus providing a plausible solution to Hawking ... | ['1995-02-15'] |
16,098 | ['eng'] | ['Hata, H', 'Taniguchi, Y'] | ['Color confinement in perturbation theory from a topological model'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'color, confinement', 'perturbation theory', 'partition function', 'finite temperature', 'transformation, Becchi-Rouet-Stora', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502083'] | ['Color confinement by the mechanism of Kugo and Ojima can treat confinement of any quantized color carrying fields including dynamical quarks. However, the non-perturbative condition for this confinement has been known to be satisfied only in the pure-gauge model (PGM), which is a topological model without physical de... | ['1995-02-15'] |
16,099 | ['eng'] | ['Yang, H S', 'Lee, B H'] | ['BRST cohomology and its application to QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'algebra, Becchi-Rouet-Stora', 'algebra, representation', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9502082'] | ["We construct the BRST cohomology under a positive definite inner product and obtain the Hodge decomposition theorem at a non-degenerate state vector space V. The harmonic states isomorphic with a BRST cohomology class correspond to the physical Hilbert space with positive norm as long as the completeness of Q_{BRST} ... | ['1995-02-15'] |
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