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 |
|---|---|---|---|---|---|---|---|---|
15,300 | ['eng'] | ['Aspinwall, Paul S'] | ['Enhanced gauge symmetries and K3 surfaces'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'duality', 'gauge field theory, nonabelian', 'field theory, conformal', 'symmetry, discrete', 'moduli space', 'orbifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507012'] | ["String-string duality dictates that type IIA strings compactified on a K3 surface acquire non-abelian gauge groups for certain values of the K3 moduli. We argue that, contrary to expectation, the theories for which such enhanced gauge symmetries appear are not orbifolds in the string sense. For a specific example we ... | ['1995-07-04'] |
15,301 | ['eng'] | ['Aharony, O', 'Sonnenschein, J', 'Peskin, Michael E', 'Yankielowicz, S'] | ['Exotic non-supersymmetric gauge dynamics from supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry, symmetry breaking', 'vacuum state', 'baryon number, spontaneously broken', 'duality', 'symmetry breaking, chiral', 'fermion, composite', 'fermion, flavor', 'effective Lagrangian', 'sparticle, decoupling', 'decoupling, sparticle', 'lattice field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507013'] | ["We extend Seiberg's qualitative picture of the behavior of supersymmetric QCD to nonsupersymmetric models by adding soft supersymmetry breaking terms. In this way, we recover the standard vacuum of QCD with N_f flavors and N_c colors when N_f < N_c. However, for N_f \\geq N_c, we find new exotic states---new vacua wi... | ['1995-07-04'] |
15,302 | ['eng'] | ['Tyurin, N E'] | ['Non-abelian quotients as self-dual sigma-models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'current, chiral', 'duality, transformation', 'abelian', 'nonabelian', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507014'] | ['We establish the connection between the quasi axial-vector (Kiritsis-Obers) and the generalized bi-algebra (Klimcik-Severa) formulations of the non-abelian target space duality. We show that the sigma-models constructed by taking quotients corresponding to the non-abelian chiral isometries have the same "quasi-dualit... | ['1995-07-04'] |
15,303 | ['eng'] | ['Ghosh, P', 'Ghosh, S'] | ['Topological and nontopological solitons in a gauged O(3) sigma model with Chern-Simons term'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory, O(3)', 'dimension, 2', 'dimension, 3', 'Chern-Simons term', 'field equations, soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507015'] | ['The O(3) nonlinear sigma model with its U(1) subgroup gauged, where the gauge field dynamics is solely governed by a Chern-Simons term, admits both topological as well as nontopological self-dual soliton solutions for a specific choice of the potential. It turns out that the topological solitons are infinitely degene... | ['1995-07-05'] |
15,304 | ['eng'] | ['Aldaya, V', 'Calixto, M', 'Guerrero, J'] | ['Algebraic quantization, good operators and fractional quantum numbers'] | ['Particle Physics - Theory'] | ['quantization, algebra', 'quantum number, fractional', 'operator', 'quantum mechanics', 'charged particle, magnetic field', 'charged particle, torus', 'wave function', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507016'] | ['The problems arising when quantizing systems with periodic boundary conditions are analysed, in an algebraic (group-) quantization scheme, and the ``failure" of the Ehrenfest theorem is clarified in terms of the already defined notion of {\\it good} (and {\\it bad}) operators. The analysis of compactified Heisenberg-... | ['1995-07-05'] |
15,305 | ['eng'] | ['Pouliot, P'] | ['Chiral duals of non-chiral SUSY gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Spin(7)', 'Spin(7), gauge field theory', 'supersymmetry', 'fermion, flavor', 'potential, flat direction', 'duality', 'symmetry, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507018'] | ['We study N=1 SUSY gauge theories in four dimensions with gauge group Spin(7) and N_f flavors of quarks in the spinorial representation. We find that in the range 6< N_f < 15, this theory has a long distance description in terms of an SU(N_f-4) gauge theory with a symmetric tensor and N_f antifundamentals. As a spin-o... | ['1995-07-05'] |
15,306 | ['eng'] | ['Villalba, M'] | ['Creation of spin 1/2 particles by an electric field in de Sitter space'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'Dirac equation, solution', 'electric field', 'Bogolyubov transformation', 'particle, production', 'production, particle', 'particle, density'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507021'] | ['In the present article we solve the Dirac equation in a de Sitter universe when a constant electric field is present. Using the Bogoliubov transformations, we compute the rate of spin 1/2 created particles by the electric field. We compare our results with the scalar case. We also analyze the behavior of the density ... | ['1995-07-05'] |
15,307 | ['eng'] | ['Kallosh, R', 'Linde, Andrei D'] | ['Exact supersymmetric massive and massless white holes'] | ['Particle Physics - Theory'] | ['astrophysics, white hole', 'string model, heterotic', 'supersymmetry', 'moduli space, vacuum state', 'geometry, internal', 'black hole', 'gauge field theory, nonabelian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507022'] | ['We study special points in the moduli space of vacua at which supersymmetric electric solutions of the heterotic string theory become massless. We concentrate on configurations for which supersymmetric non-renormalization theorem is valid. Those are ten-dimensional supersymmetric string waves and generalized fundamen... | ['1995-07-05'] |
15,308 | ['eng'] | ['Guido, D'] | ['Modular covariance, PCT, spin and statistics'] | ['Particle Physics - Theory'] | ['invariance, modular', 'group theory, Poincare', 'invariance, CPT', 'spin, statistics', 'statistics, spin', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507029'] | ["The notion of modular covariance is reviewed and the reconstruction of the Poincar\\'e group extended to the low-dimensional case. The relations with the PCT symmetry and the Spin and Statistics theorem are described."] | ['1995-07-06'] |
15,309 | ['eng'] | ['Schaller, P', 'Strobl, T'] | ['Introduction to Poisson $\\sigma$-models'] | ['Particle Physics - Theory'] | ['talk, Schladming 1995/03/04', 'sigma model, nonlinear', 'dimension, 2', 'field equations', 'Hamiltonian formalism', 'gravitation', 'gauge field theory, SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507020'] | ['The theory of Poisson-\\sigma-models employs the mathematical notion of Poisson manifolds to formulate and analyze a large class of topological and almost topological two dimensional field theories. As special examples this class of field theories includes pure Yang-Mills and gravity theories, and, to some extent, th... | ['1995-07-05'] |
15,310 | ['eng'] | ['Lerche, Wolfgang'] | ['BPS states, weight spaces and vanishing cycles'] | ['Particle Physics - Theory'] | ['talk, Los Angeles 1995/03/13', 'gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, monopole', 'phase space', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9507011'] | ['We review some simple group theoretical properties of BPS states, in relation with the singular homology of level surfaces. Primary focus is on classical and quantum N=2 supersymmetric Yang-Mills theory, though the considerations can be applied to string theory as well.'] | ['1995-07-04'] |
15,311 | ['eng'] | ['Lian Bong H', 'Zuckerman, G J'] | ['Algebraic and geometric structures in string backgrounds'] | ['Particle Physics - Theory'] | ['talk, Los Angeles 1995/03/13', 'string model', 'dimension, 2', 'background field', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'operator product expansion', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506210'] | ['We give a brief introduction to the study of the algebraic structures -- and their geometrical interpretations -- which arise in the BRST construction of a conformal string background. Starting from the chiral algebra \\cA of a string background, we consider a number of elementary but universal operations on the chir... | ['1995-07-03'] |
15,312 | ['eng'] | ['Maharana, J P', 'Singh, H'] | ['Symmetries of four-dimensional string effective action with cosmological constant'] | ['Particle Physics - Theory'] | ['string model', 'effective action, symmetry', 'astrophysics, fundamental constant', 'duality', 'transformation, noncompact'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506213'] | ['Classical solutions for a four-dimensional Minkowskian string effective action and an Euclidean one with cosmological constant term are derived. The former corresponds to electrovac solutions whereas the later solutions are identified as gravitational instanton solutions for Fubini-Study metric. The symmetries of the... | ['1995-07-03'] |
15,313 | ['eng'] | ['De Vega, H J', 'Egusquiza, I L'] | ['Strings next to and inside black holes'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'string model', 'space-time, singularity', 'space-time, horizon', 'gauge, conformal', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506214'] | ['The string equations of motion and constraints are solved near the horizon and near the singularity of a Schwarzschild black hole. In a conformal gauge such that \\tau = 0 (\\tau = worldsheet time coordinate) corresponds to the horizon (r=1) or to the black hole singularity (r=0), the string coordinates express in po... | ['1995-07-03'] |
15,314 | ['eng'] | ['Frenkel, E', 'Szenes, A'] | ['Thermodynamic Bethe ansatz and dilogarithm identities, 1'] | ['Particle Physics - Theory'] | ['thermodynamics, Bethe ansatz', 'field theory, conformal', 'dimension, 2', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506215'] | ['We consider the (A_n,A_1) Y-system arising in the Thermodynamic Bethe Ansatz. We prove the periodicity of solutions of this Y-system conjectured by Al.B. Zamolodchikov, and the dilogarithm identities conjectured by F. Gliozzi and R. Tateo.'] | ['1995-07-03'] |
15,315 | ['eng'] | ['Reuter, M'] | ['Effective average action of Chern-Simons field theory'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'effective action', 'gauge field theory', 'dimension, 3', 'block spin transformation', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511128'] | ['The renormalization of the Chern-Simons parameter is investigated by using an exact and manifestly gauge invariant evolution equation for the scale-dependent effective average action.'] | ['1995-11-21'] |
15,316 | ['eng'] | ['Karakhanian, D R'] | ['Area-preserving algebra structure of two-dimensional supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 2', 'effective action, Liouville', 'regularization', 'invariance, Weyl', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506202'] | ['The effective action for 2d-gravity in Weyl-invariant regularization is extended to supersymmetric case. The super area-preserving invariance and cocyclic properties under general supergravitational transformations of the last action is shown.'] | ['1995-07-03'] |
15,317 | ['eng'] | ['Batalin, I A', 'Tyutin, I V'] | ['On the perturbative equivalence between the hamiltonian and lagrangian quantizations'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'Lagrangian formalism', 'perturbation theory', 'path integral', 'master equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506203'] | ['The Hamiltonian (BFV) and Lagrangian (BV) quantization schemes are proved to be equivalent perturbatively to each other. It is shown in particular that the quantum master equation being treated perturbatively possesses a local formal solution.'] | ['1995-07-03'] |
15,318 | ['eng'] | ['Dowker, John S', 'Apps, J S'] | ['Functional determinants on certain domains'] | ['Particle Physics - Theory'] | ['talk, Moscow 1995/06/12', 'determinant', 'effective action', 'transformation, conformal', 'anomaly, conformal', 'expansion, heat kernel', 'mathematical methods, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506204'] | ['Functional determinants on various domains of the sphere and flat space are presented for scalar and spinor fields.'] | ['1995-07-03'] |
15,319 | ['eng'] | ['Kehagias, A A'] | ['Infinite-dimensional algebras in dimensionally reduced string theory'] | ['Particle Physics - Theory'] | ['string model', 'background field', 'spontaneous compactification, torus', 'dimensional reduction', 'effective Lagrangian', 'sigma model, nonlinear', 'group theory, O(2,2)', 'algebra, Kac-Moody', 'coset space, SL(2)/U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506205'] | ['We examine 4-dimensional string backgrounds compactified over a two torus. There exist two alternative effective Lagrangians containing each two SL(2)/U(1) sigma-models. Two of these sigma-models are the complex and the K\\"ahler structures on the torus. The effective Lagrangians are invariant under two different O(2... | ['1995-07-03'] |
15,320 | ['eng'] | ['Solodukhin, S N'] | ['Two-dimensional quantum-corrected eternal black hole'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'black hole, boundary condition', 'radiation, Hawking', 'dimension, 2', 'correction, higher-order', 'space-time, singularity', 'black hole, mass', 'mass, black hole', 'energy', 'temperature', 'entropy', 'space-time, Schwarzschild', 'thermodynamics', 'integrability', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506206'] | ['The one-loop quantum corrections to geometry and thermodynamics of black hole are studied for the two-dimensional RST model. We chose boundary conditions corresponding to the eternal black hole being in the thermal equilibrium with the Hawking radiation. The equations of motion are exactly integrated and we obtain th... | ['1995-07-03'] |
15,321 | ['eng'] | ['Binétruy, P', 'Gaillard, Mary Katherin'] | ['S-duality constraints on effective potentials for gaugino condensation'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'effective action', 'supergravity', 'duality, transformation', 'gaugino, condensation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506207'] | ['We clarify the role of approximate S-duality in effective supergravity theories that are the low energy limits of string theories, and show how this partial symmetry may be used to constrain effective lagrangians for gaugino condensation.'] | ['1995-07-03'] |
15,322 | ['eng'] | ['Muniain, J P', 'Wudka, J'] | ['Anomalous commutator corrections to sum rules'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'sum rule, correction', 'operator product expansion', 'U(1) problem', 'commutation relations, anomaly', 'vacuum state, condensation', 'invariance, gauge', 'Ward identity', 'Feynman graph'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506209'] | ['In this paper we consider the contributions of anomalous commutators to various QCD sum rules. Using a combination of the BJL limit with the operator product expansion the results are presented in terms of the vacuum condensates of gauge invariant operators. It is demonstrated that the anomalous contributions are no ... | ['1995-07-03'] |
15,323 | ['eng'] | ['Corianò, C', 'Parwani, R R'] | ['The electric charge of a Dirac monopole at nonzero temperature'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'dimension, 4', 'postulated particle, magnetic monopole', 'charge, magnetic monopole', 'finite temperature', 'violation, CP', 'Aharonov-Bohm effect', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506211'] | ['We study the effect of nonzero temperature on the induced electric charge around a Dirac monopole. While at zero temperature the charge is known to be proportional to a CP violating \\theta parameter, we find that at high temperature the charge is proportional to sin \\theta. Other features of the charge at nonzero t... | ['1995-07-03'] |
15,324 | ['eng'] | ['Chau, L L', 'Yamanaka, I'] | ['Bi-module properties of group-valued local fields and quantum-group difference equations'] | ['Particle Physics - Theory'] | ['quantum group', 'Wess-Zumino-Witten model', 'correlation function', 'algebra, exchange', 'exchange, algebra', 'current algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506212'] | ['We give an explicit construction of the quantum-group generators ---local, semi-local, and global --- in terms of the group-valued quantum fields \\tilde g and \\tilde g^{-1} in the Wess-Zumino-Novikov-Witten (WZNW) theory. The algebras among the generators and the fields make concrete and clear the bi-module propert... | ['1995-07-03'] |
15,325 | ['eng'] | ['Sailer, K', 'Greiner, W'] | ['Renormalized finite temperature effective potential of SU(2) Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, Yang-Mills', 'finite temperature', 'effective potential', 'perturbation theory, higher-order', 'higher-order, 2', 'renormalization', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506191'] | ['It is shown that the renormalized finite temperature effective potential for continuum SU(2) Yang-Mills theory develops a non-\\-perturb\\-ative minimum for sufficiently strong coupling, i.e. below a critical temperature. The corresponding phase can be the candidate for the confining phase of the continuum theory and... | ['1995-06-30'] |
15,326 | ['eng'] | ['LeClair, A', 'Nemeschansky, D D'] | ['Affine Lie algebra symmetry of sine-Gordon theory at reflectionless points'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'current, conservation law', 'quantum group', 'algebra, affine', 'algebra, Lie'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506198'] | ['The quantum affine symmetry of the sine-Gordon theory at q^2 = 1, which occurs at the reflectionless points, is studied. Conserved currents that correspond to the closure of simple root generators are considered, and shown to be local. We argue that they satisfy the affine sl(2) algebra. Examples of these currents ar... | ['1995-06-30'] |
15,327 | ['eng'] | ['Clubok, K S', 'Halpern, M B'] | ['The WZW model as a dynamical system on affine Lie groups'] | ['Particle Physics - Theory'] | ['dynamical system', 'Wess-Zumino-Witten model', 'group theory, Lie', 'group theory, affine', 'mechanics', 'dynamical system'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506199'] | ['Working directly on affine Lie groups, we construct several new formulations of the WZW model. In one formulation WZW is expressed as a one-dimensional mechanical system whose variables are coordinates on the affine Lie group. When written in terms of the affine group element, this formulation exhibits a two-dimensio... | ['1995-06-30'] |
15,328 | ['eng'] | ['Peet, A W'] | ['Entropy and supersymmetry of D dimensional extremal black holes versus string states'] | ['Particle Physics - Theory'] | ['black hole, electric', 'string model, heterotic', 'entropy', 'torus', 'supersymmetry', 'space-time, horizon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506200'] | ['Following the work of Sen, we consider the correspondence between extremal black holes and string states in the context of the entropy. We obtain and study properties of electrically charged black hole backgrounds of tree level heterotic string theory compactified on a p dimensional torus, for D=(10-p)=4 \\ldots 9. W... | ['1995-06-30'] |
15,329 | ['eng'] | ['Kogan, I I', 'Lee, K M'] | ['Topologically massive gauge theory with O(2) symmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Chern-Simons term', 'Higgs model', 'symmetry, spontaneously broken', 'symmetry, O(2)', 'space-time, torus', 'vacuum state', 'mass, topological', 'topological, mass'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506190'] | ["We discuss the structure of the vacua in O(2) topologically massive gauge theory on a torus. Since O(2) has two connected components, there are four classical vacua. The different vacua have entirely different particle spectra. For example, in the ``non-trivial'' sector, the particle can only move in one direction."] | ['1995-06-30'] |
15,330 | ['eng'] | ['Mizoguchi, S Y'] | ['Colliding wave solutions, duality, and diagonal embedding of general relativity in two-dimensional heterotic string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 2', 'symmetry, SL(2,R)', 'symmetry, SL(2,Z)', 'relativity theory, general', 'gravitation', 'sigma model, nonlinear', 'dimensional reduction', 'duality', 'field equations, Ernst', 'inverse scattering method'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506192'] | ['The non-linear sigma model of the dimensionally reduced Einstein (-Maxwell) theory is diagonally embedded into that of the two-dimensional heterotic string theory. Consequently, the embedded string backgrounds satisfy the (electro-magnetic) Ernst equation. In the pure Einstein theory, the Matzner-Misner SL(2,{\\bf R}... | ['1995-06-30'] |
15,331 | ['eng'] | ['Eynard, B', 'Kristjansen, C F'] | ['Exact solution of the O(n) model on a random lattice'] | ['Particle Physics - Theory'] | ['matrix model', 'random lattice', 'symmetry, O(N)', 'coupling constant, parametrization', 'parametrization, coupling constant', 'universality', 'correlation function', 'critical phenomena', 'partition function', 'perturbation theory, higher-order', 'saddle-point approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506193'] | ['We present an exact solution of the O(n) model on a random lattice. The coupling constant space of our model is parametrized in terms of a set of moment variables and the same type of universality with respect to the potential as observed for the one-matrix model is found. In addition we find a large degree of univer... | ['1995-06-30'] |
15,332 | ['eng'] | ['Hull, C M'] | ['String-string duality in ten dimensions'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'field theory, soliton', 'zero mode', 'duality, transformation', 'dimension, 10'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506194'] | ['The heterotic string occurs as a soliton of the type I superstring in ten dimensions, supporting the conjecture that these two theories are equivalent. The conjecture that the type IIB string is self-dual, with the strong coupling dynamics described by a dual type IIB theory, is supported by the occurrence of the dua... | ['1995-06-30'] |
15,333 | ['eng'] | ['Giddings, Steven B', 'Pierre, J M'] | ['Some exact results in supersymmetric theories based on exceptional groups'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'group theory, exceptional', 'supersymmetry', 'potential, flat direction', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506196'] | ['We begin an investigation of supersymmetric theories based on exceptional groups. The flat directions are most easily parameterized using their correspondence with gauge invariant polynomials. Symmetries and holomorphy tightly constrain the superpotentials, but due to multiple gauge invariants other techniques are ne... | ['1995-06-30'] |
15,334 | ['eng'] | ['Dick, R'] | ['Remarks on chiral symmetry breaking with massless fermions'] | ['Particle Physics - Theory'] | ['talk, Ames 1995/05/22', 'symmetry breaking, chiral', 'fermion, massless', 'massless, fermion', 'correlation function', 'symmetry, dynamically broken', 'invariance, Lorentz', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506197'] | ['In this talk I present recent results on Lorentz covariant correlation functions \\langle q(p_1)\\overline{q}(p_2)\\rangle on the cone p^2=0. In particular, chiral symmetry breaking terms are constructed which resemble fermionic 2--point functions of 2--D CFT up to a scalar factor.'] | ['1995-06-30'] |
15,335 | ['eng'] | ['Savvidy, G K', 'Savvidy, G K'] | ['Interaction hierarchy'] | ['Particle Physics - Theory'] | ['gravitation, Regge', 'interaction, hierarchy', 'hierarchy, interaction', 'random surface', 'string model', 'field theory, action', 'quantum gravity, higher-dimensional', 'partition function', 'path integral', 'lattice field theory', 'scaling', 'model, spin', 'spin, model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506184'] | ['We have found that the Regge gravity can be represented as a superposition of less complicated, primary theory of random surfaces with Euler~character as an action. This extends to quantum gravity our previous result, which allows to represent the gonihedric string as a superposition of less complicated theory of ran... | ['1995-06-29'] |
15,336 | ['eng'] | ['Bañados, M', 'Garay, L J', 'Henneaux, M'] | ['The local degrees of freedom of higher dimensional pure Chern-Simons theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'any-dimensional', 'field equations', 'Hamiltonian formalism', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506187'] | ['The canonical structure of higher dimensional pure Chern-Simons theories is analysed. It is shown that these theories have generically a non-vanishing number of local degrees of freedom, even though they are obtained by means of a topological construction. This number of local degrees of freedom is computed as a func... | ['1995-06-29'] |
15,337 | ['eng'] | ['Lusanna, L'] | ["Aspects of galilean and relativistic particle mechanics with Dirac's constraints"] | ['Particle Physics - Theory'] | ['talk', 'particle, relativistic', 'boundary condition', 'Hamiltonian formalism', 'quantization, constraint', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506185'] | ['Relevant physical models are described by singular Lagrangians, so that their Hamiltonian description is based on the Dirac theory of constraints. The qualitative aspects of this theory are now understood, in particular the role of the Shanmugadhasan canonical transformation in the determination of a canonical basis ... | ['1995-06-29'] |
15,338 | ['eng'] | ['de Azcárraga, J A', 'MacFarlane, A J'] | ['Group theoretical foundations of fractional supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'supersymmetry, transformation', 'supersymmetry, fractional', 'supersymmetry, representation', 'algebra, Grassmann'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506177'] | ['Fractional supersymmetry denotes a generalisation of supersymmetry which may be constructed using a single real generalised Grassmann variable, \\theta = \\bar{\\theta}, \\, \\theta^n = 0, for arbitrary integer n = 2, 3, .... An explicit formula is given in the case of general n for the transformations that leave the... | ['1995-06-28'] |
15,339 | ['eng'] | ['Pietro, R'] | ['Quaternion Higgs and the electroweak gauge group'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'algebra, quaternion', 'Higgs model', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506179'] | ['We show that, in quaternion quantum mechanics with a complex geometry, the minimal four Higgs of the unbroken electroweak theory naturally determine the quaternion invariance group which corresponds to the Glashow group. Consequently, we are able to identify the physical significance of the anomalous Higgs scalar sol... | ['1995-06-28'] |
15,340 | ['eng'] | ['Petersen, J L', 'Rasmussen, J', 'Yu, M'] | ['Hamiltonian reduction of SL(2)-theories at the level of correlators'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'current algebra, SL(2)', 'correlation function', 'Hamiltonian formalism', 'cohomology, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506180'] | ['Since the work of Bershadsky and Ooguri it is well known that correlators of SL(2) current algebra for admissible representations should reduce to correlators for conformal minimal models. A precise proposal for this relation has been given at the level of correlators: When SL(2) primary fields are expressed as \\phi... | ['1995-06-28'] |
15,341 | ['eng'] | ['Matone, M'] | ['Koebe 1/4-theorem and inequalities in N=2 super-QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'dimension, 2', 'effective action', 'correlation function', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506181'] | ['The critical curve {\\cal C} on which {\\rm Im}\\, a_D/a=0 determines hyperbolic domains. As a consequence of the Koebe 1/4-theorem and Schwarz lemma, the correlator \\langle \\phi\\rangle and its dual satisfy inequalities such as {\\hbar\\over 2}\\le \\pi{\\rm Im}\\, \\left(\\langle\\phi\\rangle \\overline{\\langle\... | ['1995-06-28'] |
15,342 | ['eng'] | ['Kazakov, V A', 'Staudacher, M', 'Wynter, T'] | ['Almost flat planar diagrams'] | ['Particle Physics - Theory'] | ['matrix model', 'lattice field theory', 'dimension, 2', 'expansion 1/N', 'expansion, character', 'quantum gravity', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506174'] | ['We continue our study of matrix models of dually weighted graphs. Among the attractive features of these models is the possibility to interpolate between ensembles of regular and random two-dimensional lattices, relevant for the study of the crossover from two-dimensional flat space to two-dimensional quantum gravity... | ['1995-06-27'] |
15,343 | ['eng'] | ['Shin, H', 'Park, Y J', 'Kim, Y', 'Kim, W T'] | ['On the anomaly of nonlocal symmetry in the chiral QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, chiral', 'symmetry, nonlocal', 'anomaly', 'effective action', 'Wess-Zumino term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506166'] | ['We show that the anomaly of nonlocal symmetry can be canceled by the well-known Wess-Zumino acton which cancels the gauge anomaly in the two-dimensional chiral electrodynamics.'] | ['1995-06-27'] |
15,344 | ['eng'] | ['Gibbs, P E'] | ['The small scale structure of space-time'] | ['Particle Physics - Theory'] | ['review', 'particle physics, history', 'space-time', 'approximation, lattice', 'quantum gravity', 'Hamiltonian formalism', 'loop space', 'field theory, topological', 'black hole', 'thermodynamics', 'lattice field theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506171'] | ['This essay is a tour around many of the lesser known pregeometric models of physics, as well as the mainstream approaches to quantum gravity, in search of common themes which may provide a glimpse of the final theory which must lie behind them.'] | ['1995-06-27'] |
15,345 | ['eng'] | ['Aldabe, F'] | ['0,2 string compactifications'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'effect, Higgs', 'gauge field theory, SO(10)', 'gauge field theory, SU(5)', 'moduli space', 'duality', 'fibre bundle', 'sigma model, linear', 'supersymmetry', 'Landau-Ginzburg model', 'field theory, Calabi-Yau', 'field theory, deformation', 'symmetry breaking,... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506168'] | ['We present the Higgs mechanism in (0,2) compactifications. The existence of a vector bundle data duality (VBDD) in (0,2) compactifications which is present at the Landau-Ginzburg point allows us to connect in a smooth manner theories with different gauge groups with the same base manifold and same number of effective... | ['1995-06-27'] |
15,346 | ['eng'] | ['Gandenberger, G M', 'MacKay, N J'] | ['Exact S-matrices for d$_{n+1}^{(2}$) affine Toda solitons and their bound states'] | ['Particle Physics - Theory'] | ['field equations, soliton', 'field theory, Toda', 'field theory, affine', 'scattering, soliton', 'soliton, scattering', 'S-matrix, pole', 'bound state', 'quantum group', 'duality', 'symmetry, crossing', 'mass, soliton', 'soliton, mass', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506169'] | ['We conjecture an exact S-matrix for the scattering of solitons in d_{n+1}^{(2)} affine Toda field theory in terms of the R-matrix of the quantum group U_q(c_n^{(1)}). From this we construct the scattering amplitudes for all scalar bound states (breathers) of the theory. This S-matrix conjecture is justified by detail... | ['1995-06-27'] |
15,347 | ['eng'] | ['Kao, H C', 'Lee, K', 'Lee, T'] | ['The Chern-Simons coefficient in supersymmetric Yang-Mills Chern-Simons theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'supersymmetry', 'symmetry, spontaneously broken', 'Higgs model', 'coupling constant', 'mass', 'renormalization', 'correction, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506170'] | ['We study one-loop correction to the Chern-Simons coefficient \\kappa=k/4\\pi in N=1,2,3 supersymmetric Yang-Mills Chern-Simons systems. In the pure bosonic case, the shift of the parameter k is known to be k\\rightarrow k + c_v, where c_v is the quadratic Casimir of the gauge group. In the N=1 case, the fermionic con... | ['1995-06-27'] |
15,348 | ['eng'] | ['Fajfer, S', 'Manko, N'] | ['The algebra and subalgebras of the group SO(1,14) and Grassmann space'] | ['Particle Physics - Theory'] | ['group theory, SO(1,14)', 'space, Grassmann', 'group theory, representation', 'unified field theory', 'transformation, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506175'] | ['In a space of d=15 Grassmann coordinates, two types of generators of the Lorentz transformations, one of spinorial and the other of vectorial character, both forming the group SO(1,14) which contains as subgroups SO(1,4) and SO(10) {\\supset SU(3)} { \\times SU(2)} { \\times U(1)} , define the fundamental and adjoint... | ['1995-06-27'] |
15,349 | ['eng'] | ['Yoshimura, M'] | ['Catastrophic particle production under periodic perturbation'] | ['Particle Physics - Theory'] | ['particle, production', 'production, particle', 'ground state, perturbation', 'Gauss model', 'oscillation', 'density matrix', 'unitarity', 'energy spectrum', 'expansion, weak coupling', 'weak coupling, expansion', 'expansion, strong coupling', 'strong coupling, expansion', 'weak interaction', 'resonance', 'astrophysic... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506176'] | ['We develop a formalism to investigate the behavior of quantum field and quantum ground state when the field is coupled to perturbation that periodically oscillates. Working in the Schroedinger picture of quantum field theory, we confirm that the phenomenon of parametric resonance in the classical theory implies an in... | ['1995-06-27'] |
15,350 | ['eng'] | ['Hindawi, A A', 'Ovrut, B A', 'Waldram, D'] | ['Higher-derivative gravitation in bosonic and superstring theories'] | ['Particle Physics - Theory'] | ['talk, Palaiseau 1995/05/15', 'string model, boson', 'supersymmetry, superspace', 'effective action', 'gravitation, action', 'gravitation, higher-order', 'supergravity', 'field theory, Calabi-Yau'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506173'] | ['A discussion of the number of degrees of freedom, and their dynamical properties, in higher-derivative gravitational theories is presented. The complete non-linear sigma model for these degrees of freedom is exhibited using the method of auxiliary fields. As a by-product we present a consistent non-linear coupling of... | ['1995-06-27'] |
15,351 | ['eng'] | ['Thielemans, K'] | ['An algorithmic approach to operator product expansions, W-algebras and W-strings'] | ['Particle Physics - Theory'] | ['thesis', 'field theory, conformal', 'dimension, 2', 'correlation function', 'Ward identity', 'operator product expansion', 'string model', 'algebra, W(N)', 'algebra, representation', 'Wess-Zumino-Witten model', 'renormalization', 'programming', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506159'] | ["String theory is currently the most promising theory to explain the spectrum of the elementary particles and their interactions. One of its most important features is its large symmetry group, which contains the conformal transformations in two dimensions as a subgroup. At quantum level, the symmetry group of a theor... | ['1995-06-26'] |
15,352 | ['eng'] | ['Mitra, P'] | ['Quantization of gauge theories with anomalies'] | ['Particle Physics - Theory'] | ['talk, Santiniketan 1995/01/01', 'gauge field theory, Yang-Mills', 'quantization', 'path integral', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506158'] | ['In this talk, we briefly review the basic concepts of anomalous gauge theories. It has been known for some time how theories with local anomalies can be handled. Recently it has been pointed out that global anomalies, which obstruct the quantization of certain gauge theories in the temporal gauge, get bypassed in can... | ['1995-06-26'] |
15,353 | ['eng'] | ['Stanciu, S'] | ['On the structure of symmetric self-dual Lie algebras'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, representation', 'duality', 'current algebra', 'algebra, deformation', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506152'] | ['A finite-dimensional Lie algebra is called (symmetric) self-dual, if it possesses an invariant nondegenerate (symmetric) bilinear form. Symmetric self-dual Lie algebras have been studied by Medina and Revoy, who have proven a very useful theorem about their structure. In this paper we prove a refinement of their theo... | ['1995-06-23'] |
15,354 | ['eng'] | ['Mostafazadeh, A'] | ['Topological aspects of parasupersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'statistics, parastatistics', 'topology', 'index theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506153'] | ['Parasupersymmetric quantum mechanics is exploited to introduce a topological invariant associated with a pair of parameter dependent Fredholm (respectively elliptic differential) operators satisfying two compatibility conditions. An explicit algebraic expression for this topological invariant is provided. The latter ... | ['1995-06-23'] |
15,355 | ['eng'] | ['Ho, V B'] | ['A metric of Yukawa potential as an exact solution to the field equations of general relativity'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'tensor, energy-momentum', 'Einstein equation, solution', 'potential, Yukawa'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506154'] | ['It is shown that, by defining a suitable energy momentum tensor, the field equations of general relativity admit a line element of Yukawa potential as an exact solution. It is also shown that matter that produces strong force may be negative, in which case there would be no Schwarzschild-like singularity'] | ['1995-06-23'] |
15,356 | ['eng'] | ['Cappelli, A P', 'Valtancoli, P'] | ['Spontaneous symmetry breaking in the non-abelian anyon fluid'] | ['Particle Physics - Theory'] | ['gauge field theory, U(2)', 'Chern-Simons term', 'dimension, 3', 'matter, nonrelativistic', 'mean field approximation', 'current algebra', 'postulated particle, anyon', 'superfluid', 'symmetry, spontaneously broken', 'spectra, fluctuation', 'fluctuation, spectra', 'excited state, anyon', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506155'] | ["We study the theory of non-relativistic matter with non-Abelian U(2) Chern-Simons gauge interaction in (2+1) dimensions. We adopt the mean field approximation in the current-algebra formulation already applied to the Abelian anyons. We first show that this method is able to describe both ``boson-based'' and ``fermion... | ['1995-06-23'] |
15,357 | ['eng'] | ['Bergshoeff, E A', 'Janssen, B', 'Ortín, Tomas'] | ['Solution-generating transformations and the string effective action'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'supersymmetry', 'duality, transformation', 'gauge field theory, Yang-Mills', 'dimensional reduction', 'sigma model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506156'] | ['We study exhaustively the solution-generating transformations (dualities) that occur in the context of the superstring low-energy effective action. We first consider target-space duality transformations in absence of vector fields. We find that for one isometry the full duality group is (SO^{\\uparrow}(1,1))^{3}\\tim... | ['1995-06-23'] |
15,358 | ['eng'] | ['Clark, T E', 'Love, S T'] | ['The supercurrent in supersymmetric field theories'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'current', 'gauge field theory', 'R parity, violation', 'violation, R parity', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506145'] | ['A supercurrent superfield whose components include a conserved energy-momentum tensor and supersymmetry current as well as a (generally broken) R-symmetry current is constructed for a generic effective N=1 supersymmetric gauge theory. The general form of the R-symmetry breaking is isolated. Included within the variou... | ['1995-06-22'] |
15,359 | ['eng'] | ['Edelstein, J D', 'Núñez, C', 'Schaposnik, F A'] | ["Supergravity and a Bogomol'nyi bound in three dimensions"] | ['Particle Physics - Theory'] | ['Higgs model, abelian', 'dimension, 3', 'supergravity', 'charge, topological', 'dimensional reduction', 'supersymmetry, algebra', 'Einstein equation', 'integrability', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506147'] | ["We discuss the 2+1 dimensional Abelian Higgs model coupled to N=2 supergravity. We construct the supercharge algebra and, from it, we show that the mass of classical static solutions is bounded from below by the topological charge. As it happens in the global case, half of the supersymmetry is broken when the bound i... | ['1995-06-22'] |
15,360 | ['eng'] | ['Acharya, B S', 'Bailin, David', 'Love, A', 'Sabra, W A', 'Thomas, S'] | ['Spontaneous breaking of CP symmetry by orbifold moduli'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective action', 'field theory, orbifold', 'moduli space', 'violation, CP', 'symmetry, spontaneously broken', 'supersymmetry', 'anomaly', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506143'] | ['CP-violating phases which contribute to the electric dipole moment (EDM) of the neutron are considered in the context of orbifold compactification of the heterotic string. In particular, we study the situation where CP is spontaneously broken by moduli fields acquiring, in general, complex expectation values at the m... | ['1995-06-22'] |
15,361 | ['eng'] | ['Lowe, D A', 'Polchinski, Joseph', 'Susskind, Leonard', 'Thorlacius, L', 'Uglum, J'] | ['Black hole complementarity vs. locality'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'effect, nonlocal', 'string model', 'field theory, light front', 'commutation relations', 'postulated particle, tachyon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506138'] | ['The evaporation of a large mass black hole can be described throughout most of its lifetime by a low-energy effective theory defined on a suitably chosen set of smooth spacelike hypersurfaces. The conventional argument for information loss rests on the assumption that the effective theory is a local quantum field the... | ['1995-06-21'] |
15,362 | ['eng'] | ['Zamolodchikov, A B', 'Zamolodchikov, A B'] | ['Structure constants and conformal bootstrap in Liouville field theory'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'bootstrap, conformal', 'n-point function', 'operator, algebra', 'field theory, sphere', 'approximation, quasiclassical', 'sinh-Gordon equation', 'thermodynamics, Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506136'] | ['An analytic expression is proposed for the three-point function of the exponential fields in the Liouville field theory on a sphere. In the classical limit it coincides with what the classical Liouville theory predicts. Using this function as the structure constant of the operator algebra we construct the four-point ... | ['1995-06-21'] |
15,363 | ['eng'] | ['Subbotin, A V', 'Tyutin, I V'] | ['On the equivalence of dual theories'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'dimension, 3', 'duality', 'S-matrix', 'anomaly', 'gauge field theory, SU(2)', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506132'] | ['We discuss the equivalence of two dual scalar field theories in 2 dimensions. The models are derived though the elimination of different fields in the same Freedman--Townsend model. It is shown that tree S-matrices of these models do not coincide. The 2-loop counterterms are calculated. It turns out that while one of... | ['1995-06-21'] |
15,364 | ['eng'] | ['Martina, L', 'Pashaev, O K', 'Soliani, G'] | ['Topological field theory and nonlinear $\\sigma$-models on symmetric spaces'] | ['Particle Physics - Theory'] | ['field theory, topological', 'sigma model, nonlinear', 'Chern-Simons term', 'dimension, 3', 'gauge field theory, nonabelian', 'quantization', 'symmetry, SU(2)/U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506130'] | ['We show that the classical non-abelian pure Chern-Simons action is related to nonrelativistic models in (2+1)-dimensions, via reductions of the gauge connection in Hermitian symmetric spaces. In such models the matter fields are coupled to gauge Chern-Simons fields, which are associated with the isotropy subgroup of ... | ['1995-06-21'] |
15,365 | ['eng'] | ['Gibbons, G W', 'Townsend, P K'] | ['Anti-gravitating BPS monopoles and dyons'] | ['Particle Physics - Theory'] | ['postulated particle, magnetic monopole', 'gravitation, antigravitation', 'Einstein-Maxwell equation, solution', 'gauge field theory, Yang-Mills', 'Higgs model', 'string model', 'coupling constant, dilaton', 'dilaton, coupling constant', 'supergravity', 'dimension, 5', 'field equations, dyon', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506131'] | ["We show that the exact static, i.e. `anti-gravitating', magnetic multi monopole solutions of the Einstein/Maxwell/dilaton-YM/Higgs equations found by Kastor, London, Traschen, and the authors, for arbitrary non-zero dilaton coupling constant a, are equivalent to the string theory BPS magnetic monopole solutions of Ha... | ['1995-06-21'] |
15,366 | ['eng'] | ['Schellekens, B', 'Schweigert, C'] | ['From Dynkin diagram symmetries to fixed point structures'] | ['Particle Physics - Theory'] | ['algebra, Kac-Moody', 'field theory, conformal', 'algebra, Lie', 'fixed point', 'Verma module', 'group theory, Weyl', 'group theory, character', 'algebra, Virasoro', 'transformation, modular'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506135'] | ["Any automorphism of the Dynkin diagram of a symmetrizable Kac-Moody algebra induces an automorphism of the algebra and a mapping between its highest weight modules. For a large class of such Dynkin diagram automorphisms, we can describe various aspects of these maps in terms of another Kac-Moody algebra, the `orbit L... | ['1995-06-21'] |
15,367 | ['eng'] | ['Slobodenyuk, V A'] | ['Analytical properties of solutions of the Schrödinger equation and quantization of charge'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'Schroedinger equation', 'potential', 'wave function', 'charge, quantization', 'analytic properties', 'asymptotic expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506134'] | ['The Schwinger--DeWitt expansion for the evolution operator kernel is used to investigate analytical properties of the Schr\\"odinger equation solution in time variable. It is shown, that this expansion, which is in general asymptotic, converges for a number of potentials (widely used, in particular, in one-dimensiona... | ['1995-06-21'] |
15,368 | ['eng'] | ['Barbón, J L F'] | ['Generalized abelian S-duality and coset constructions'] | ['Particle Physics - Theory'] | ['duality, abelian', 'coset space', 'differential forms', 'anomaly', 'Wilson loop', 'gauge field theory', 'dimension, 2', 'dimension, 4', 'sigma model', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506137'] | ['Electric-magnetic duality and higher dimensional analogues are obtained as symmetries in generalized coset constructions, similar to the axial-vector duality of two dimensional coset models described by Rocek and Verlinde. We also study global aspects of duality between p-forms and (d-p-2)-forms in d-manifolds. In pa... | ['1995-06-21'] |
15,369 | ['eng'] | ['Destri, C', 'Segalini, T'] | ['A local and integrable lattice regularization of the massive Thirring model'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'massive, Thirring model', 'lattice field theory, light cone', 'model, vertex', 'integrability', 'Hamiltonian formalism', 'boundary condition', 'continuum limit', 'renormalization, finite', 'fermion, decoupling', 'decoupling, fermion', 'vertex, anisotropy', 'coupling constant', 'Bethe ansatz... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506120'] | ['The light--cone lattice approach to the massive Thirring model is reformulated using a local and integrable lattice Hamiltonian written in terms of discrete fermi fields. Several subtle points concerning boundary conditions, normal--ordering, continuum limit, finite renormalizations and decoupling of fermion doublers... | ['1995-06-20'] |
15,370 | ['eng'] | ['Brout, R', 'Massar, S', 'Parentani, R', 'Spindel, P'] | ['Hawking radiation without transplanckian frequencies'] | ['Particle Physics - Theory'] | ['radiation, Hawking', 'universality', 'black hole, horizon', 'boundary condition', 'model, hydrodynamical', 'photon, energy spectrum', 'energy spectrum, photon', 'model, Unruh', 'quantum gravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506121'] | ["In a recent work, Unruh showed that Hawking radiation is unaffected by a truncation of free field theory at the Planck scale. His analysis was performed numerically and based on a hydrodynamical model. In this work, by analytical methods, the mathematical and physical origin of Unruh's result is revealed. An alternat... | ['1995-06-20'] |
15,371 | ['eng'] | ['Ghoshal, D', 'Vafa, C'] | ['c=1 string as the topological theory of the conifold'] | ['Particle Physics - Theory'] | ['string model', 'central charge, 1', 'field theory, Calabi-Yau', 'field theory, deformation', 'energy', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506122'] | ['We show that the non-critical c=1 string at the self-dual radius is equivalent to topological strings based on the deformation of the conifold singularity of Calabi-Yau threefolds. The Penner sum giving the genus expansion of the free energy of the c=1 string theory at the self-dual radius therefore gives the univers... | ['1995-06-20'] |
15,372 | ['eng'] | ['Bonora, L', 'Nesti, F', 'Vinteler, E'] | ['Multi-matrix models'] | ['Particle Physics - Theory'] | ['matrix model', 'partition function', 'lattice, Toda', 'hierarchy', 'quantum group, SL(2)', 'correlation function', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506124'] | ['We analyze multi--matrix chain models. They can be considered as multi--component Toda lattice hierarchies subject to suitable coupling conditions. The extension of such models to include extra discrete states requires a weak form of integrability. The discrete states of the q--matrix model are organized in represent... | ['1995-06-20'] |
15,373 | ['eng'] | ['Bergman, O', 'Thorn, C B'] | ['String bit models for superstring'] | ['Particle Physics - Theory'] | ['string model', 'lattice field theory', 'model, polymer', 'supersymmetry', 'linear spaces, Fock space', 'charge, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506125'] | ["We extend the model of string as a polymer of string bits to the case of superstring. We mainly concentrate on type II-B superstring, with some discussion of the obstacles presented by not II-B superstring, together with possible strategies for surmounting them. As with previous work on bosonic string we work within ... | ['1995-06-20'] |
15,374 | ['eng'] | ['Duff, Michael J', 'Liu, J T', 'Minasian, R'] | ['Eleven dimensional origin of string\\/string duality'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, p-brane', 'supersymmetry', 'dimension, 11', 'duality', 'field theory, soliton', 'Kaluza-Klein model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506126'] | ['Membrane/fivebrane duality in D=11 implies Type IIA string/Type IIA fivebrane duality in D=10, which in turn implies Type IIA string/heterotic string duality in D=6. To test the conjecture, we reproduce the corrections to the 3-form field equations of the D=10 Type IIA string (a mixture of tree-level and one-loop eff... | ['1995-06-20'] |
15,375 | ['eng'] | ['Alvarez, Enrique', 'Gracía-Bondía, José M', 'Martín, C P'] | ['Anomaly cancellation and gauge group of the standard model in NCG'] | ['Particle Physics - Theory'] | ['geometry, noncommutative', 'gauge field theory, SU(3) x SU(2) x U(1)', 'anomaly', 'hypercharge', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506115'] | ["It is well known that anomaly cancellation {\\it almost} determines the hypercharges in the standard model. A related (and somewhat more stronger) phenomenon takes place in Connes' NCG framework: unimodularity (a technical condition on elements of the algebra) is {\\it strictly} equivalent to anomaly cancellation (in... | ['1995-06-20'] |
15,376 | ['eng'] | ['Amelino-Camelia, G', 'Seminara, D'] | ['Black hole radiation (with and) without Weyl anomaly'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'coupling, matter', 'matter, coupling', 'black hole, radiation', 'path integral, quantization', 'anomaly, Weyl', 'light cone gauge', 'conformal gauge', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506128'] | ['In the semiclassical analysis of black hole radiation in matter-coupled dilaton gravity, a one-parameter ``k"-family of measures for the path integral quantization of the matter fields is considered. The Weyl anomaly is proportional to the parameter k, but the black hole radiation seen by minkowskian observers at fut... | ['1995-06-20'] |
15,377 | ['eng'] | ['Odintsov, S D', 'Wipf, A'] | ['Running surface couplings'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'renormalization group', 'effective action', 'coupling, surface', 'surface, coupling', 'boundary condition', 'grand unified theory', 'symmetry breaking', 'gauge field theory, SU(2)', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506117'] | ['We discuss the renormalization group improved effective action and running surface couplings in curved spacetime with boundary. Using scalar self-interacting theory as an example, we study the influence of the boundary effects to effective equations of motion in spherical cap and the relevance of surface running coup... | ['1995-06-20'] |
15,378 | ['eng'] | ['Jarvis, P D', 'Tsohantjis, I'] | ['Covariant scalar representation of iosp(d,2/2) quantization of the scalar relativistic particle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'field theory, scalar', 'quantization', 'Hamiltonian formalism', 'phase space', 'group theory, IOSp(N,2/2)', 'group theory, representation', 'transformation, Becchi-Rouet-Stora', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506129'] | ['A covariant scalar representation of iosp(d,2/2) is constructed and analysed in comparison with existing methods for the quantization of the scalar relativistic particle. It is found that, with appropriately defined wavefunctions, this iosp(d,2/2) produced representation can be identified with the state space arising... | ['1995-06-20'] |
15,379 | ['eng'] | ['Schmidhuber, C'] | ['RG flow on random surfaces with handles and closed string field theory'] | ['Particle Physics - Theory'] | ['renormalization group', 'random surface', 'dimension, 2', 'gravitation, coupling', 'coupling, gravitation', 'field theory, string', 'string, closed', 'conformal gauge', 'quantum mechanics', 'renormalization, beta function', 'matrix model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506118'] | ['The renormalization group flow in two-dimensional field theories that are coupled to gravity has unusual features: First, the flow equations are second order in derivatives. Second, in the presence of handles the flow has quantum mechanical properties. Third, the beta functions contain the elementary higher-genus ver... | ['1995-06-20'] |
15,380 | ['eng'] | ['Petkou, Anastasios C'] | ['C$_{T}$ and C$_{J}$ up to next-to-leading order in 1/N in the conformally invariant O(n) vector model for 2 $<$ d $<$ 4'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'model, vector', 'symmetry, O(N)', 'n-point function', 'operator product expansion', 'expansion 1/N', 'dimension, 2-4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506116'] | ['Using Operator Product Expansions and a graphical ansatz for the four-point function of the fundamental field \\phi^{\\alpha}(x) in the conformally invariant O(N) vector model, we calculate the next-to-leading order in 1/N values of the quantities C_{T} and C_{J}. We check the results against what is expected from po... | ['1995-06-20'] |
15,381 | ['eng'] | ['Amelino-Camelia, G', 'Bak, D', 'Seminara, D'] | ['Area-preserving structure of massless matter-gravity fields in 1+1 dimensions'] | ['Particle Physics - Theory'] | ['talk, Schladming 1995/03/04', 'field theory, scalar', 'gravitation', 'dimension, 2', 'quantization', 'Ward identity', 'diffeomorphism, invariance'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506127'] | ['We derive anomalous Ward identities in two different approaches to the quantization of massless matter-gravity fields in 1+1 dimensions.'] | ['1995-06-20'] |
15,382 | ['eng'] | ['Markum, H', 'Sakuler, W'] | ['Correlations between quarks, monopoles and instantons'] | ['Particle Physics - Theory'] | ['talk', 'gauge field theory, SU(3)', 'quark, confinement', 'field equations, instanton', 'field equations, monopole', 'quark antiquark, static', 'flux tube', 'monopole, density', 'charge, topological', 'charge, density', 'correlation function', 'lattice field theory', 'gauge, abelian', 'numerical calculations, Monte C... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506123'] | ['We analyze topological objects in pure QCD in the presence of external quarks by calculating the distributions of instanton and monopole densities around static color sources. We find a suppression of the densities close to external sources and the formation of a flux tube between a static quark--antiquark pair. The ... | ['1995-06-20'] |
15,383 | ['eng'] | ['Odaka, K'] | ['A topological study of induced representation'] | ['Particle Physics - Theory'] | ['talk, Bregenz 1994/08/07', 'group theory, Poincare', 'group theory, representation', 'representation, induced', 'topology', 'group theory, Euclidean', 'quantum mechanics, sphere', 'path integral', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506114'] | ['From the point of view of topology we study the induced representation technique which E. Wigner proposed in 1939. We comment on the gauge structure in the induced representation technique and construc the explicit form of the gauge fields. The topological results ofour study are applied to quantum mechanics on a d-d... | ['1995-06-20'] |
15,384 | ['eng'] | ['Blumenhagen, R', 'Wißkirchen, A'] | ['Exactly solvable (0,2) supersymmetric string vacua with GUT gauge groups'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'partition function', 'invariance, modular', 'grand unified theory', 'particle, multiplet', 'multiplet, particle', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506104'] | ["We present a construction of modular invariant partition functions for heterotic (0,2) supersymmetric classical string vacua. This generalization of Gepner's construction yields GUT gauge groups E_6, SO(10), SU(5) and SU(3) x SU(2) x U(1)^r, respectively. By calculating the massless spectrum of some of these models w... | ['1995-06-19'] |
15,385 | ['eng'] | ['Behrndt, K'] | ['About a class of exact string backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'dimension, 10', 'background field', 'gravitational radiation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506106'] | ["This model also known as chiral null model is a generalization of the gravitational wave and fundamental string background and is exact in the \\a' expansion. The reduction to 4 dimensions yields a stationary IWP solution which couples to 7 gauge fields (one gravi-photon and 6 matter gauge fields) and 3 scalars. Spec... | ['1995-06-19'] |
15,386 | ['eng'] | ['Pasti, P', 'Sorokin, D P', 'Tonin, M'] | ['Duality symmetric actions with manifest space-time symmetries'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective action', 'Maxwell equation', 'duality', 'symmetry, space-time', 'symmetry, SL(2,R) x SO(6,22)', 'gauge field theory, abelian', 'postulated particle, axion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506109'] | ['We consider a space--time invariant duality symmetric action for the free Maxwell field and an SL(2,{\\bf R})\\times SO(6,22) invariant effective action describing a low--energy bosonic sector of the heterotic string compactified on a six--dimensional torus. The manifest Lorentz and general coordinate invariant formu... | ['1995-06-19'] |
15,387 | ['eng'] | ['Kaplunovsky, V S', 'Louis, J', 'Theisen, Stefan J'] | ['Aspects of duality in N=2 string vacua'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'vacuum state', 'anomaly', 'duality, transformation', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506110'] | ['We collect further evidence for the proposed duality between N=2 heterotic and type II string vacua in a specific model suggested by Kachru and Vafa. In the gauge sector the previous analysis is extended; it is further shown that the duality also holds for the one--loop gravitational couplings to the vector multiplet... | ['1995-06-19'] |
15,388 | ['eng'] | ['Klemm, A D', 'Lerche, Wolfgang', 'Mayr, Peter'] | ['K3-fibrations and heterotic-type II string duality'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'duality', 'supersymmetry', 'coupling, Yukawa', 'Yukawa, coupling', 'space, Calabi-Yau', 'moduli space', 'approximation, weak coupling', 'weak coupling, approximation', 'field equations, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506112'] | ['We analyze the map between heterotic and type II N=2 supersymmetric string theories for certain two and three moduli examples found by Kachru and Vafa. The appearance of elliptic j-functions can be traced back to specializations of the Picard-Fuchs equations to systems for K_3 surfaces. For the three-moduli example w... | ['1995-06-19'] |
15,389 | ['eng'] | ['Kallosh, R'] | ['Duality symmetric quantization of superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'particle, relativistic', 'membrane model', 'background field', 'quantization', 'Hamiltonian formalism', 'invariance, Lorentz', 'light cone gauge', 'duality, transformation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506113'] | ['A general covariant quantization of superparticle, Green-Schwarz superstring and a supermembrane with manifest supersymmetry and duality symmetry is proposed. This quantization provides a natural quantum mechanical description of curved BPS-type backgrounds related to the ultra-short supersymmetry multiplets. Half-si... | ['1995-06-19'] |
15,390 | ['eng'] | ['Shirokura, H'] | ['Generating functions in two dimensional quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'matrix model', 'universality', 'effect, finite size', 'coupling constant', 'operator, scaling', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506103'] | ["We solve general 1-matrix models without taking the double scaling limit. A method of computing generating functions is presented. Each generating function can be expressed by a ``specific heat'' function for sphere. We also find that the regular part of the spherical generating function is at most bilinear in coupli... | ['1995-06-16'] |
15,391 | ['eng'] | ['Pitkänen, M'] | ['p-adic TGD'] | ['Particle Physics - Theory'] | ['number theory', 'topology', 'fractals', 'linear spaces, Hilbert space', 'geometry', 'invariance, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506097'] | ['The mathematical basis of p-adic Higgs mechanism discussed in papers hep-th 9410058-62 is considered in this paper. The basic properties of p-adic numbers, of their algebraic extensions and the so called canonical identification between positive real numbers and p-adic numbers are described. Canonical identification ... | ['1995-06-16'] |
15,392 | ['eng'] | ['Luty, M A'] | ['Varieties of vacua in classical supersymmetric gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, classical', 'supersymmetry, potential', 'vacuum state', 'moduli space', 'orbit', 'gauge field theory, U(1)', 'gauge field theory, U(1) x U(1)', 'gauge field theory, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506098'] | ['We give a simple description of the classical moduli space of vacua for supersymmetric gauge theories with or without a superpotential. The key ingredient in our analysis is the observation that the lagrangian is invariant under the action of the complexified gauge group \\Gc. From this point of view the usual D-flat... | ['1995-06-16'] |
15,393 | ['eng'] | ['Gladikowski, J', 'Piette, B M A G', 'Schroers, B J'] | ['Skyrme-Maxwell solitons in (2+1) dimensions'] | ['Particle Physics - Theory'] | ['Skyrme model', 'gauge field theory, U(1)', 'dimension, 3', 'potential, gauge', 'Maxwell equation', 'field equations, soliton', 'flux, magnetic', 'magnetic, flux', 'electric field', 'coupling constant', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506099'] | ["A gauged (2+1)-dimensional version of the Skyrme model is investigated. The gauge group is U(1) and the dynamics of the associated gauge potential is governed by a Maxwell term. In this model there are topologically stable soliton solutions carrying magnetic flux which is not topologically quantized. The properties o... | ['1995-06-16'] |
15,394 | ['eng'] | ['Pesando, I'] | ['The generalized Gross-Neveu model on the light cone'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 2', 'quantization, light cone', 'quantization, discrete', 'Bethe-Salpeter equation, finite', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506100'] | ['We investigate the generalized Gross-Neveu model using the discretized light cone quantization and we find that the vacuum of the bare theory is {\\sl non} trivial in presence of vectorial current coupling when the simplest and most natural form of quantum constraints is used. Nevertheless the vacuum of the renormali... | ['1995-06-16'] |
15,395 | ['eng'] | ['Matone, M'] | ['Instantons and recursion relations in N=2 SUSY gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'invariance, modular', 'field equations, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506102'] | ["We find the transformation properties of the prepotential {\\cal F} of N=2 SUSY gauge theory with gauge group SU(2). In particular we show that {\\cal G}(a)=\\pi i\\left({\\cal F}(a)-{1\\over 2}a\\partial_a{\\cal F}(a)\\right) is modular invariant. This function satisfies the non-linear differential equation \\left(1... | ['1995-06-16'] |
15,396 | ['eng'] | ['Kao, H C'] | ['Generalizing the Coleman-Hill theorem'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'Higgs model', 'fermion', 'symmetry, spontaneously broken', 'effective action', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506093'] | ['In terms of the effective action, we show to one-loop order the Coleman-Hill theorem can be generalized to systems with spontaneous symmetry breaking. Although the correction to the parity-odd part of the vacuum polarization looks complicated in the Higgs phase, it turns out that the correction to the Chern-Simons te... | ['1995-06-16'] |
15,397 | ['eng'] | ['Berezovoj, V P', 'Pashnev, A I'] | ['On the structure of the N=4 supersymmetric quantum mechanics in D=2 and D=3'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'dimension, 2', 'dimension, 3', 'supersymmetry, superfield', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506094'] | ['The superfield formulation of two - dimensional N=4 Extended Supersymmetric Quantum Mechanics (SQM) is described. It is shown that corresponding classical Lagrangian describes the motion in the conformally flat metric with additional potential term. The Bose and Fermi sectors of two- and three-dimensional N=4 SQM are... | ['1995-06-16'] |
15,398 | ['eng'] | ['Bassetto, A', 'Griguolo, L', 'Nardelli, G'] | ['Yang-Mills theories on the space-time S$_{1}$ x R cylinder'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 2', 'space-time, cylinder', 'light cone gauge', 'quantization', 'Hamiltonian formalism', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506095'] | ['Pure Yang-Mills theories on the S_1\\times R cylinder are quantized in light-cone gauge A_-=0 by means of {\\bf equal-time} commutation relations. Positive and negative frequency components are excluded from the ``physical" Hilbert space by imposing Gauss\' law in a weak sense. Zero modes, related to the winding on t... | ['1995-06-16'] |
15,399 | ['eng'] | ['Kubo, J', 'Mondragón, M N', 'Zoupanos, George'] | ['Gauge-Yukawa unification and the top quark mass'] | ['Particle Physics - Theory'] | ['talk', 'unified field theory, finite', 'grand unified theory, SU(5)', 'coupling, Yukawa', 'Yukawa, coupling', 'coupling, gauge', 'gauge, coupling', 'mass, truth', 'truth, mass', 'mass, beauty', 'beauty, mass', 'mass, hierarchy', 'hierarchy, mass', 'renormalization group', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9506092'] | ['The principles of finiteness and reduction of couplings can be applied to achieve Gauge-Yukawa Unification. It is found that the observed top-bottom hierarchy and the top quark mass naturally follow if there exists Gauge-Yukawa Unification which is a simple functional relation among the gauge coupling and the Yukawa ... | ['1995-06-16'] |
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