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 |
|---|---|---|---|---|---|---|---|---|
14,600 | ['eng'] | ['Barnes, K J'] | ['The chiral 2-sphere'] | ['Particle Physics - Theory'] | ['model, chiral', 'symmetry, SU(2) x SU(2)', 'Goldstone particle', 'field theory, sphere'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511102'] | ['The two dimensional surface of a sphere can be parametrized by coordinates representing two charged pions acting as Goldstone bosons of a broken SU2 symmetry. We construct in full concrete detail, and in a general class of coordinate systems, all the relevant structure forming a framework for this low energy effectiv... | ['1995-11-16'] |
14,601 | ['eng'] | ['Baaquie, Belal E'] | ['Maximum temperature for an ideal gas of $\\widehat{U}$(1) Kac-Moody fermions'] | ['Particle Physics - Theory'] | ['algebra, Kac-Moody', 'gauge field theory', 'finite temperature, upper limit', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511094'] | ['A lagrangian for gauge fields coupled to fermions with the Kac-Moody group as its gauge group yields, for the pure fermions sector, an ideal gas of Kac-Moody fermions. The canonical partition function for the \\hat U(1) case is shown to have a maximum temperature kT_{M} = |\\lambda| /\\pi, where \\lambda is the coupl... | ['1995-11-16'] |
14,602 | ['eng'] | ['Ansoldi, S', 'Aurilia, A', 'Spallucci, E'] | ['Membrane vacuum as a type II superconductor'] | ['Particle Physics - Theory'] | ['membrane model, condensation', 'gauge field theory, tensor', 'vacuum state', 'superconducting', 'radiative correction', 'bag model', 'mass generation', 'effective potential', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511096'] | ["We study a functional field theory of membranes coupled to a rank--three tensor gauge potential. We show that gauge field radiative corrections lead to membrane condensation which turns the gauge field into a {\\it massive spin--0 field}. This is the Coleman--Weinberg mechanism for {\\it membranes}. An analogy is als... | ['1995-11-16'] |
14,603 | ['eng'] | ['Bizdadea, C', 'Saliu, S O'] | ['Extravariables in the BRST quantization of second-class constrained systems'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'phase space', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511095'] | ['In this paper we show how the BRST quantization can be applied to systems possessing only second-class constraints through their conversion to some first-class ones starting with our method exposed in [Nucl.Phys. B456 (1995)473]. Thus, it is proved that i) for a certain class of second-class systems there exists a st... | ['1995-11-16'] |
14,604 | ['eng'] | ['Rahaman, A'] | ['Gauge invariant reformulation and BRST quantization of the nonconfining Schwinger model'] | ['Particle Physics - Theory'] | ['Schwinger model', 'quantization', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'anomaly', 'effective action', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511097'] | ["A new generalization of the vector Schwinger model is considered where gauge symmetry is broken at the quantum mechanical level. By proper extension of the phase space this broken symmetry has been restored. Also an equivalent first class theory is reformulated in the actual phase space using Mitra and Rajaraman's pr... | ['1995-11-16'] |
14,605 | ['eng'] | ['Bars, Itzhak', 'Yankielowicz, S'] | ['U-duality multiplets and non-perturbative superstring states'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'nonperturbative', 'duality, transformation', 'phase space', 'particle, multiplet', 'multiplet, particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511098'] | ["We employ an algebraic approach for unifying perturbative and non-perturbative superstring states on an equal footing, in the form of U-duality multiplets, at all excited string levels. In compactified type-IIA supertring theory we present evidence that the multiplet is labelled by two spaces, ``index'' space and ``b... | ['1995-11-16'] |
14,606 | ['eng'] | ['Moroz, A V'] | ['The Aharonov-Casher theorem and the axial anomaly in the Aharonov-Bohm potential'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'Aharonov-Casher effect', 'anomaly, axial', 'Dirac equation', 'dimension, 2', 'magnetic field', 'energy levels, density', 'supersymmetry', 'fermion number, induced'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511099'] | ['The spectral properties of the Dirac Hamiltonian in the the Aharonov-Bohm potential are discussed. By using the Krein-Friedel formula, the density of states (DOS) for different self-adjoint extensions is calculated. As in the nonrelativistic case, whenever a bound state is present in the spectrum it is always accompa... | ['1995-11-16'] |
14,607 | ['eng'] | ['Marchetti, P A'] | ['Bosonization and duality in condensed matter systems'] | ['Particle Physics - Theory'] | ['talk, Chia 1995/09/03', 'fermion, field theory', 'dimension, 2', 'gauge field theory', 'duality, transformation', 'bosonization', 'condensed matter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511100'] | ['We show that abelian bosonization of 1+1 dimensional fermion systems can be interpreted as duality transformation and, as a conseguence, it can be generalized to arbitrary dimensions in terms of gauge forms of rank d-1, where d is the dimension of the space. This permit to treat condensed matter systems in d>1 as gau... | ['1995-11-16'] |
14,608 | ['eng'] | ['Arvanitis, C', 'Geniet, F', 'Iacomi, M', 'Kneur, J L', 'Neveu, A'] | ['Variational solution of the Gross-Neveu model; 2, finite-N and renormalization'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'symmetry, O(N)', 'perturbation theory, higher-order', 'renormalization', 'expansion 1/N', 'mass spectrum', 'numerical calculations, variational'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511101'] | ['We show how to perform systematically improvable variational calculations in the O(2N) Gross-Neveu model for generic N, in such a way that all infinities usually plaguing such calculations are accounted for in a way compatible with the renormalization group. The final point is a general framework for the calculation ... | ['1995-11-16'] |
14,609 | ['eng'] | ['Kar, S'] | ["Schild's null strings in flat and curved backgrounds"] | ['Particle Physics - Theory'] | ['space-time', 'string model', 'string tension, 0'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511103'] | ["Schild's null (tensionless) strings are discussed in certain flat and curved backgrounds. We find closed, stationary, null strings as natural configurations existing on the horizons of spacetimes which possess such null hypersurfaces. Examples of these are obtained in Schwarzschild and Rindler spacetimes. A dynamic n... | ['1995-11-16'] |
14,610 | ['eng'] | ['Müller, J', 'Rau, J'] | ['Renormalization by projection'] | ['Particle Physics - Theory'] | ['renormalization group', 'phi**n model, 4', 'effective Hamiltonian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511105'] | ['We present a new algebraic approach to determining renormalization group equations, based on a Hamiltonian formulation of the dynamics and on the explicit use of projection operators in Fock space. We illustrate this approach in the case of \\phi^4 theory, where we reproduce the known 1-loop result for the renormaliz... | ['1995-11-16'] |
14,611 | ['eng'] | ['Gross, David J', 'Klebanov, Igor R', 'Matytsin, A V', 'Smilga, A V'] | ['Screening vs. confinement in 1+1 dimensions'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'bosonization', 'symmetry, spontaneously broken', 'screening', 'confinement', 'symmetry, SU(N)', 'Wilson loop', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511104'] | ['We show that, in 1+1 dimensional gauge theories, a heavy probe charge is screened by dynamical massless fermions both in the case when the source and the dynamical fermions belong to the same representation of the gauge group and, unexpectedly, in the case when the representation of the probe charge is smaller than t... | ['1995-11-16'] |
14,612 | ['eng'] | ['Vafa, C'] | ['Gas of d-branes and Hagedorn density of BPS states'] | ['Particle Physics - Theory'] | ['string model', 'duality, transformation', 'membrane model, p-brane', 'field theory, soliton', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511088'] | ['We test the prediction of a hagedorn density of BPS states which carry RR charge in type II compactifications. We find that in certain cases they correspond to the supersymmetric ground states for a gas of identical 0-branes.'] | ['1995-11-14'] |
14,613 | ['eng'] | ['Maeder, J', 'Rühl, Werner'] | ['Greensite-Halpern stabilization of A$_{k}$ singularities in the N --> $\\infty$ limit'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 21', 'energy, ground state', 'Schroedinger equation', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511085'] | ['The Greensite-Halpern method of stabilizing bottomless Euclidean actions is applied to zerodimensional O(N) sigma models with unstable A_k singularities in the N = \\infty limit.'] | ['1995-11-14'] |
14,614 | ['eng'] | ['Nersessian, A P'] | ['Antibrackets and non-abelian equivariant cohomology'] | ['Particle Physics - Theory'] | ['cohomology, nonabelian', 'algebra, Weyl', 'model, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511081'] | ['The Weil algebra of a semisimple Lie group and an exterior algebra of a symplectic manifold possess antibrackets. They are applied to formulate the models of non--abelian equivariant cohomologies.'] | ['1995-11-14'] |
14,615 | ['eng'] | ['Kim, S P'] | ['Nonequilibrium quantum scalar fields in cosmology'] | ['Particle Physics - Theory'] | ['talk', 'Schroedinger equation', 'Fock space', 'finite temperature', 'field theory, scalar', 'space-time, de Sitter', 'two-point function', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511082'] | ['We elaborate further the functional Schr\\"{o}dinger-picture approach to the quantum field in curved spacetimes using the generalized invariant method and construct explicitly the Fock space, which we relate with the thermal field theory. We apply the method to a free massive scalar field in the de Sitter spacetime, ... | ['1995-11-14'] |
14,616 | ['eng'] | ['Budzynski, R J'] | ['Remarks on tree-level topological string theories'] | ['Particle Physics - Theory'] | ['string model, topological', 'field theory, action', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511083'] | ["A few observations concerning topological string theories at the string-tree level are presented: (1) The tree-level, large phase space solution of an arbitrary model is expressed in terms of a variational problem, with an ``action'' equal, at the solution, to the one-point function of the puncture operator, and foun... | ['1995-11-14'] |
14,617 | ['eng'] | ['Zwirner, F'] | ['Supersymmetry and gauge symmetry breaking with naturally vanishing vacuum energy'] | ['Particle Physics - Theory'] | ['talk, Palaiseau 1995/05/15', 'supergravity', 'effect, Higgs', 'supersymmetry', 'symmetry breaking, SU(2) x U(1)', 'vacuum state, energy', 'postulated particle, Goldstino', 'string model', 'symmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511086'] | ['We review the construction of N=1 supergravity models where the Higgs and super-Higgs effects are simultaneously realized, with naturally vanishing classical vacuum energy and goldstino components along gauge-non-singlet directions: this situation is likely to occur in the effective theories of realistic string model... | ['1995-11-14'] |
14,618 | ['eng'] | ['Korotkin, D A', 'Samtleben, J A H'] | ['On the quantization of isomonodromic deformations on the torus'] | ['Particle Physics - Theory'] | ['space-time, deformation', 'quantum space', 'space-time, torus', 'space-time, sphere', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'field theory, conformal', 'Knizhnik-Zamolodchikov equation', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511087'] | ['The quantization of isomonodromic deformation of a meromorphic connection on the torus is shown to lead directly to the Knizhnik-Zamolodchikov-Bernard equations in the same way as the problem on the sphere leads to the system of Knizhnik-Zamolodchikov equations. The Poisson bracket required for a Hamiltonian formulat... | ['1995-11-14'] |
14,619 | ['eng'] | ['Gannon, T', 'Ruelle, P', 'Walton, M A'] | ['Spectra of conformal field theories with current algebras'] | ['Particle Physics - Theory'] | ['talk, Quebec 1995/06/11', 'field theory, conformal', 'field theory, rational', 'dimension, 2', 'partition function', 'particle, spectra', 'spectra, particle', 'current algebra', 'algebra, representation', 'algebra, Lie'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511089'] | ['This is an elementary review of our recent work on the classification of the spectra of those two-dimensional rational conformal field theories (RCFTs) whose (maximal) chiral algebras are current algebras. We classified all possible partition functions for such theories when the defining finite-dimensional Lie algebr... | ['1995-11-14'] |
14,620 | ['eng'] | ['Gaite, J C', "O'Connor, D"] | ['Field theory entropy and the renormalization group'] | ['Particle Physics - Theory'] | ['entropy', 'phi**n model', 'universality', 'critical phenomena', 'renormalization group', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511090'] | ['We consider entropy and relative entropy in Field theory and establish relevant monotonicity properties with respect to the couplings. The relative entropy in a field theory with a hierarchy of renormalization group fixed points ranks the fixed points, the lowest relative entropy being assigned to the highest multicr... | ['1995-11-14'] |
14,621 | ['eng'] | ['Das, A', 'Roy, S'] | ['The zero curvature formulation of TB, sTB hierarchy and topological algebras'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'integrability', 'Hamiltonian formalism', 'algebra, topological', 'Korteweg-de Vries equation, hierarchy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511091'] | ['A particular dispersive generalization of long water wave equation in 1+1 dimensions, which is important in the study of matrix models without scaling limit, known as two--Boson (TB) equation, as well as the associated hierarchy has been derived from the zero curvature condition on the gauge group SL(2,R)\\otimes U(1... | ['1995-11-14'] |
14,622 | ['eng'] | ['García, J A', 'Vergara, J D', 'Urrutia, L F'] | ['BRST-BFV quantization and the Schwinger action principle'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'gauge field theory', 'transformation, Becchi-Rouet-Stora', 'effective action', 'particle, relativistic', 'spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511092'] | ['We introduce an operator version of the BRST-BFV effective action for arbitrary systems with first-class constraints. Using the Schwinger action principle we calculate the propagators corresponding to: (i) the parametrized non-relativistic free particle, (ii) the relativistic free particle and (iii) the spining relat... | ['1995-11-14'] |
14,623 | ['eng'] | ['Faraggi, A E'] | ['On the origin of three generation free fermionic superstring models'] | ['Particle Physics - Theory'] | ['talk, Wakulla Springs 1995/11/10', 'string model', 'supersymmetry', 'fermion, flavor', 'family', 'field theory, orbifold', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511093'] | ['The three generation superstring models in the free fermionic models have had remarkable success in describing the real--world. The most explored models use the NAHE set to obtain three generations and to separate the hidden and observable sectors. It is of course well known that the full NAHE set is not required in ... | ['1995-11-14'] |
14,624 | ['eng'] | ['McGlinn, W D', "O'Raifeartaigh, Lochlainn", 'Sen, S', 'Sorkin, R D'] | ['Morse theory and the topology of configuration space'] | ['Particle Physics - Theory'] | ['Morse theory', 'topology', 'Wess-Zumino term', 'spin, statistics', 'statistics, spin', 'critical phenomena', 'antiparticle', 'symmetry, SO(3)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511078'] | ['The first and second homology groups are computed for configuration spaces of framed three-dimensional point particles with annihilation included, when up to two particles and an antiparticle are present.'] | ['1995-11-22'] |
14,625 | ['eng'] | ['Alfaro, J', 'Damgaard, P H'] | ['Non-abelian antibrackets'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'constraint', 'charge, Becchi-Rouet-Stora', 'string model, closed'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511066'] | ['The \\Delta-operator of the Batalin-Vilkovisky formalism is the Hamiltonian BRST charge of Abelian shift transformations in the ghost momentum representation. We generalize this \\Delta-operator, and its associated hierarchy of antibrackets, to that of an arbitrary non-Abelian and possibly open algebra of any rank. W... | ['1995-11-22'] |
14,626 | ['eng'] | ['Bastianelli, F'] | ['Tests for C-theorems in 4D'] | ['Particle Physics - Theory'] | ['renormalization group, C-theorem', 'renormalization group, transformation', 'gauge field theory, SU(N)', 'gauge field theory, Sp(N)', 'gauge field theory, SO(N)', 'supersymmetry, superfield', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511065'] | ['A proof for a non-perturbative C-theorem in four dimensions, capturing the irreversibility of the renormalization group flow in the space of unitary quantum field theories, has not been accomplished, yet. We test the conjectured C-theorems using the exact results recently obtained in N=1 supersymmetric gauge theories... | ['1995-11-22'] |
14,627 | ['eng'] | ['Monni, S', 'Cadoni, M'] | ['Dilatonic black holes in a S-duality model'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'field theory, dilaton', 'field equations, solution', 'black hole', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511067'] | ['We find exact charged black hole solutions of a string effective action that is invariant under S-duality transformations. These black hole solutions have the same causal structure as the Reissner-Nordstrom (RN) solutions. They reduce to the RN solutions for self-dual configurations of the dilaton and to the Garfinkl... | ['1995-11-22'] |
14,628 | ['eng'] | ['Blasi, A', 'Maggiore, N'] | ['Infrared regularization of Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dependence, gauge', 'ghost', 'transformation, Becchi-Rouet-Stora', 'infrared problem', 'regularization', 'gauge field theory, action', 'Slavnov identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511068'] | ['We introduce an infrared regulator in Yang--Mills theories under the form of a mass term for the nonabelian fields. We show that the resulting action, built in a covariant linear gauge, is multiplicatively renormalizable by proving the validity at all orders of the Slavnov identity defining the theory.'] | ['1995-11-22'] |
14,629 | ['eng'] | ['Frolov, V', 'Hendy, S', 'Larsen, A L'] | ['How to create a 2-D black hole'] | ['Particle Physics - Theory'] | ['string model, perturbation', 'Friedman model', 'space-time, Robertson-Walker', 'gas, string', 'energy', 'pressure', 'fluctuation, string', 'mass, string', 'string, mass', 'momentum, string'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511069'] | ["The interaction of a cosmic string with a four-dimensional stationary black hole is considered. If a part of an infinitely long string passes close to a black hole it can be captured. The final stationary configurations of such captured strings are investigated. A uniqueness theorem is proved, namely it is shown that... | ['1995-11-22'] |
14,630 | ['eng'] | ['Kanti, Panagiota', 'Mavromatos, Nikolaos E', 'Rizos, J', 'Tamvakis, Kyriakos', 'Winstanley, E'] | ['Dilatonic black holes in higher curvature string gravity'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'gravitation, action', 'derivative, high', 'field theory, dilaton', 'field equations, solution', 'black hole, hair'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511071'] | ['We give analytical arguments and demonstrate numerically the existence of black hole solutions of the 4D Effective Superstring Action in the presence of Gauss-Bonnet quadratic curvature terms. The solutions possess non-trivial dilaton hair. The hair, however, is of ``secondary" type", in the sense that the dilaton ch... | ['1995-11-22'] |
14,631 | ['eng'] | ['Ghosh, S', 'Mukhopadhyay, S'] | ['A novel BRST approach in generalizing the Jackiw-Nair anyon'] | ['Particle Physics - Theory'] | ['gauge field theory', 'postulated particle, anyon', 'quantization, Becchi-Rouet-Stora', 'ghost', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511074'] | ['A novel BRST quantization is described, which is applied in generalizing the Jackiw-Nair construction of anyon. We have explicitly shown that the matter states connected to an unconventional ("non-zero") BRST ghost sector are physical. They are identified to the Jackiw-Nair system in a particular gauge. Also for the ... | ['1995-11-22'] |
14,632 | ['eng'] | ['Grignani, G', 'Plyushchay, M S', 'Sodano, P'] | ['A pseudoclassical model for P,T-invariant planar fermions'] | ['Particle Physics - Theory'] | ['fermion, massive', 'massive, fermion', 'model, quasiclassical', 'parity, invariance', 'invariance, parity', 'time reversal, invariance', 'symmetry, discrete', 'symmetry, U(1,1)', 'supersymmetry', 'gauge field theory, U(1)', 'quantization', 'group theory, Lorentz', 'dimension, 3', 'hidden symmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511072'] | ["A pseudoclassical model is proposed for the description of planar P,T-invariant massive fermions. The quantization of the model leads to the (2+1)-dimensional P,T-invariant fermion model used recently in P,T-conserving theories of high-T{}_c superconductors. The rich symmetry of the quantum model is elucidated throug... | ['1995-11-22'] |
14,633 | ['eng'] | ['Roos, T G'] | ['Wilson renormalization group study of inverse symmetry breaking'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry breaking', 'path integral', 'finite temperature, high', 'Wilson loop', 'renormalization group', 'effective potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511073'] | ['For a large class of field theories there exist portions of parameter space for which the loop expansion predicts increased symmetry breaking at high temperature. Even though this behavior would clearly have far reaching implications for cosmology such theories have not been fully investigated in the literature. This... | ['1995-11-22'] |
14,634 | ['eng'] | ['Sakellariadou, M'] | ['Numerical experiments in string cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'thermodynamics', 'energy, density', 'dimension, space', 'temperature, Hagedorn', 'critical phenomena', 'lifetime, string', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511075'] | ['We investigate some classical aspects of fundamental strings via numerical experiments. In particular, we study the thermodynamics of a string network within a toroidal universe, as a function of string energy density and space dimensionality. We find that when the energy density of the system is low, the dominant pa... | ['1995-11-22'] |
14,635 | ['eng'] | ['Vinteler, E'] | ['Star-matrix models'] | ['Particle Physics - Theory'] | ['matrix model', 'Potts model', 'Gauss model', 'critical phenomena', 'random surface, polymer', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511076'] | ['The star-matrix models are difficult to solve due to the multiple powers of the Vandermonde determinants in the partition function. We apply to these models a modified Q-matrix approach and we get results consistent with those obtained by other methods.As examples we study the inhomogenous gaussian model on Bethe tre... | ['1995-11-22'] |
14,636 | ['eng'] | ['Belopolsky, A', 'Zwiebach, B'] | ['Who changes the string coupling?'] | ['Particle Physics - Theory'] | ['string model', 'coupling constant', 'cohomology, Becchi-Rouet-Stora', 'field theory, conformal', 'field theory, deformation', 'dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511077'] | ['In general bosonic closed string backgrounds the ghost-dilaton is not the only state in the semi-relative BRST cohomology that can change the dimensionless string coupling. This fact is used to establish complete dilaton theorems in closed string field theory. The ghost-dilaton, however, is the crucial state: for bac... | ['1995-11-22'] |
14,637 | ['eng'] | ['Bergshoeff, E A', 'Green, M B', 'Papadopoulos, G J', 'Townsend, P K'] | ['The IIA super-eightbrane'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 8', 'supersymmetry', 'supergravity', 'dimension, 10', 'field theory, tensor', 'differential forms, 9', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511079'] | ["We present a version of ten-dimensional IIA supergravity containing a 9-form potential for which the field equations are equivalent to those of the standard, massless, IIA theory for vanishing 10-form field strength, F_{10}, and to those of the `massive' IIA theory for non-vanishing F_{10}. We exhibit a multi 8-brane... | ['1995-11-22'] |
14,638 | ['eng'] | ['Gibbons, G W', 'Green, M B', 'Perry, M J'] | ['Instantons and seven-branes in type IIB superstring theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, p-brane', 'supergravity', 'field theory, instanton', 'charge, quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511080'] | ["Instanton and seven-brane solutions of type IIB supergravity carrying charges in the Ramond-Ramond sector are constructed. The singular seven-brane has a quantized {\\rm R}\\otimes{\\rm R}\\ `magnetic' charge whereas its dual is the instanton, which is non-singular in the string frame and has an associated {\\it glob... | ['1995-11-22'] |
14,639 | ['eng'] | ['Lynker, M', 'Schimmrigk, R'] | ['Conifold transitions and mirror symmetries'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'field theory, Calabi-Yau', 'moduli space', 'transformation, mirror', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511058'] | ['Recent work initiated by Strominger has lead to a consistent physical interpretation of certain types of transitions between different string vacua. These transitions, discovered several years ago, involve singular conifold configurations which connect distinct Calabi-Yau manifolds. In this paper we discuss a number ... | ['1995-11-10'] |
14,640 | ['eng'] | ['Kanemura, S', 'Sato, H T'] | ['Approach to D-dimensional Gross-Neveu model at finite temperature and curvature'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 2-3', 'finite temperature', 'symmetry breaking, chiral', 'critical phenomena', 'effective potential', 'expansion 1/N', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511059'] | ['We discuss phase structure of chiral symmetry breaking of the D-dimensional (2\\leq D\\leq3) Gross-Neveu model at finite temperature, density and constant curvature. We evaluate the effective potential in a weak background approximation to thermalize the model as well as in the leading order of the 1/N-expansion. A t... | ['1995-11-10'] |
14,641 | ['eng'] | ['Dowker, John S', 'Apps, J S', 'Kirsten, K', 'Bordag, M'] | ['Spectral invariants for the Dirac equation on the d-ball with various boundary conditions'] | ['Particle Physics - Theory'] | ['Dirac equation', 'any-dimensional', 'boundary condition', 'space-time, sphere', 'path integral, determinant', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511060'] | ['The mode properties for spectral and mixed boundary conditions for massless spin-half fields are derived for the d--ball. The corresponding functional determinants and heat-kernel coefficients are presented, the latter as polynomials in d.'] | ['1995-11-10'] |
14,642 | ['eng'] | ['Vasilev, M A'] | ['Higher-spin gauge interactions for matter fields in two dimensions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'integrability', 'gauge field theory', 'spin, high', 'high, spin', 'field theory, action', 'perturbation theory', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511063'] | ['We formulate a new model which describes higher-spin gauge interactions for matter fields in two dimensions. This model is a higher-spin generalization of d2 gravity and turns out to be integrable. No vanishing higher-spin current conditions are imposed on the matter fields.'] | ['1995-11-10'] |
14,643 | ['eng'] | ['Evans, M', 'Giannakis, I'] | ['T-duality in arbitrary string backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'field theory, conformal', 'dimension, 2', 'duality, transformation', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511061'] | ['T-Duality is a poorly understood symmetry of the space-time fields of string theory that interchanges long and short distances. It is best understood in the context of toroidal compactification where, loosely speaking, radii of the torus are inverted. Even in this case, however, conventional techniques permit an unde... | ['1995-11-10'] |
14,644 | ['eng'] | ['Fainberg, V Ya', 'Shikakhwa, M S'] | ['The topological unitarity identities in Chern-Simons theories'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'gauge field theory', 'dimension, 3', 'S-matrix', 'unitarity, topological', 'fermion antifermion, interaction', 'interaction, fermion antifermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511062'] | ['Starting from the generating functional of the theory of relativistic spinors in 2+1 dimensions interacting through the pure Chern-Simons gauge field, the S-matrix is constructed and seen to be formally the same as that of spinor quantum electrodynamics in 2+1 dimensions with Feynman diagrams having external photon l... | ['1995-11-10'] |
14,645 | ['eng'] | ['Larsen, F', 'Wilczek, Frank'] | ['Internal structure of black holes'] | ['Particle Physics - Theory'] | ['black hole, hair', 'black hole, dyon', 'string model, heterotic', 'spontaneous compactification', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511064'] | ['We present a number of qualitative arguments which strongly suggest that extremal dyonic black holes in the 4--dimensional low energy, classical field theory limit of toroidally compactified heterotic string theory represent largely degenerate classes of states in the quantum theory. We propose a simple expression fo... | ['1995-11-10'] |
14,646 | ['eng'] | ['Hassan, S F'] | ['T-duality and non-local realizations of supersymmetry in string theory'] | ['Particle Physics - Theory'] | ['talk, Trieste 1995/06/29', 'string model', 'supersymmetry', 'duality, transformation', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511056'] | ['We study non-local realizations of extended worldsheet supersymmetries and the associated space-time supersymmetries which arise under a T-duality transformation. These non-local effects appear when the supersymmetries do not commute with the isometry with respect to which T-duality is performed.'] | ['1995-11-09'] |
14,647 | ['eng'] | ['Ksenzov, V G'] | ['On the calculation of the vacuum energy density in $\\sigma$ models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 2', 'vacuum state', 'energy, density', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511055'] | ['The vacuum energy density is calculated for the O(N) nonlinear sigma models in two dimensions. To obtain \\varepsilon_{vac} we assume that each point of the space in which non-perturbative f\\/ields are determined can be replaced by a sphere S^2 having a small radius r which approaches zero at the very end of the cal... | ['1995-11-09'] |
14,648 | ['eng'] | ['Asano, M'] | ['On a class of topological quantum field theories in three-dimensions'] | ['Particle Physics - Theory'] | ['field theory, topological', 'lattice field theory', 'dimension, 3', 'partition function', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511044'] | ["We investigate the Chung-Fukuma-Shapere theory, or Kuperberg theory, of three-dimensional lattice topological field theory. We construct a functor which satisfies the Atiyah's axioms of topological quantum field theory by reformulating the theory as Turaev-Viro type state-sum theory on a triangulated manifold. The th... | ['1995-11-09'] |
14,649 | ['eng'] | ['Brustein, Ram', 'Ovrut, B A'] | ['Towards evaluation of stringy non-perturbative effects'] | ['Particle Physics - Theory'] | ['talk, Palaiseau 1995/05/15', 'string model', 'nonperturbative', 'matrix model', 'effective action', 'partition function', 'operator, induced'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511045'] | ['We report on progress towards evaluation of stringy non-perturbative effects, using a two dimensional effective field theory for matrix models. We briefly discuss the relevance of such effects to models of dynamical supersymmetry breaking.'] | ['1995-11-09'] |
14,650 | ['eng'] | ['Liao, S B'] | ['Operator cutoff regularization and renormalization group in Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'perturbation theory, higher-order', 'regularization, dependence', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511046'] | ['We derive a manifestly gauge invariant low energy blocked action for Yang-Mills theory using operator cutoff regularization, a prescription which renders the theory finite with a regulating smearing function constructed for the proper-time integration. By embedding the momentum cutoff scales in the smearing function,... | ['1995-11-09'] |
14,651 | ['eng'] | ['Lópes-Cardoso, G', 'Lüst, Dieter', 'Mohaupt, T'] | ['Perturbative and non-perturbative results for N=2 heterotic strings'] | ['Particle Physics - Theory'] | ['talk', 'string model, heterotic', 'perturbation theory', 'nonperturbative', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511048'] | ['In this paper we summarize our recent work about perturbative and non-perturbative effects in four-dimensional heterotic strings with N=2 space-time supersymmetry.'] | ['1995-11-09'] |
14,652 | ['eng'] | ['Ezawa, K'] | ['Ashtekar\'s formulation for N=1,2 supergravities as "constrained" BF theories'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, BF', 'gauge field theory, SU(2)', 'Hamiltonian formalism', 'loop space', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511047'] | ["It is known that Ashtekar's formulation for pure Einstein gravity can be cast into the form of a topological field theory, namely the SU(2) BF theory, with the B-fields subject to an algebraic constraint. We extend this relation between Ashtekar's formalism and BF theories to N=1 and N=2 supergravities. The relevant ... | ['1995-11-09'] |
14,653 | ['eng'] | ['Sevrin, A'] | ['Gauging Wess-Zumino-Witten models'] | ['Particle Physics - Theory'] | ['talk', 'field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory', 'gravitation', 'effective action', 'algebra, Becchi-Rouet-Stora', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511050'] | ['We review some aspects of gauged WZW models. By choosing a nilpotent subgroup as gauge group, one is lead to three main applications: the construction of field theories with an extended conformal symmetry, the construction of the effective action of (extended) 2D gravities and the systematic construction of string th... | ['1995-11-09'] |
14,654 | ['eng'] | ['Ragoucy, E', 'Sevrin, A', 'Sorba, Paul'] | ['Strings from N=2 gauged Wess-Zumino-Witten models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory', 'supersymmetry, algebra', 'algebra, representation', 'algebra, Becchi-Rouet-Stora', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511049'] | ['We present an algebraic approach to string theory. An embedding of sl(2|1) in a super Lie algebra together with a grading on the Lie algebra determines a nilpotent subalgebra of the super Lie algebra. Chirally gauging this subalgebra in the corresponding Wess-Zumino-Witten model, breaks the affine symmetry of the Wes... | ['1995-11-09'] |
14,655 | ['eng'] | ['Jackiw, R W', 'Pi, S Y'] | ['Threshhold singularities and the magnetic mass in hot QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'finite temperature', 'mass, magnetic', 'magnetic, mass', 'perturbation theory, higher-order', 'threshold, singularity', 'mass generation', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511051'] | ['We discuss the recently devised one-loop gap equation for the magnetic mass of hot QCD. An alternative, and one would hope equivalent, gap equation is presented, which however shows no mass generation at the one-loop level.'] | ['1995-11-09'] |
14,656 | ['eng'] | ['Martinec, Emil J', 'Warner, N P'] | ['Integrability in N=2 gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 6', 'spontaneous compactification', 'dimension, 4', 'R parity', 'Ward identity', 'integrability', 'correlation function', 'Knizhnik-Zamolodchikov equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511052'] | ['The holomorphic prepotential of ultraviolet finite N=2 supersymmetric gauge theories is obtained by a partial twisting of N=1 gauge theory in six dimensions, compactified on \\IR^4\\timesT^2. We show that Ward identities for the conserved chiral \\R-symmetry in these theories generate a set of constraints on the corr... | ['1995-11-09'] |
14,657 | ['eng'] | ['Dabholkar, A', 'Gauntlett, J P', 'Harvey, J A', 'Waldram, D'] | ['Strings as solitons and black holes as strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'string, closed', 'soliton', 'black hole', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511053'] | ['Supersymmetric closed string theories contain an infinite tower of BPS-saturated, oscillating, macroscopic strings in the perturbative spectrum. When these theories have dual formulations, this tower of states must exist nonperturbatively as solitons in the dual theories. We present a general class of exact solutions... | ['1995-11-09'] |
14,658 | ['eng'] | ['Bachas, C P'] | ['D-brane dynamics'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'scattering', 'partial wave analysis', 'spontaneous compactification, torus', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511043'] | ['I calculate the semiclassical phase shift, as function of impact parameter and velocity, when one D-brane moves past another. From the low-velocity expansion I show that, for toroidal compactifications, the moduli space of two D-branes stays flat to all orders in alpha prime. For K3 compactifications, the calculation... | ['1995-11-07'] |
14,659 | ['eng'] | ['Mansfield, P', 'Pachos, J'] | ['The O(n) $\\sigma$-model Laplacian'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'Schroedinger equation', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511041'] | ['For fields that vary slowly on the scale of the lightest mass the logarithm of the vacuum functional of a massive quantum field theory can be expanded in terms of local functionals satisfying a form of the Schr\\"odinger equation, the principal ingredient of which is a regulated functional Laplacian. We construct to ... | ['1995-11-07'] |
14,660 | ['eng'] | ['Gannon, T'] | ['The level 2 and 3 modular invariants of SU(n)'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'partition function', 'invariance, modular', 'algebra, SU(N)', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511040'] | ['In this paper we explicitly classify all modular invariant partition functions for su(n) at level 2 and 3. Previously, these were known only for level 1. The level 2 exceptionals exist at n=10, 16, and 28; the level 3 exceptionals exist at n=5, 9, and 21. One of these is new, but the others were all anticipated by th... | ['1995-11-07'] |
14,661 | ['eng'] | ['Kanatchikov, I V'] | ['From the Poincaré-Cartan form to a Gerstenhaber algebra of Poisson brackets in field theory'] | ['Particle Physics - Theory'] | ['quantization', 'Hamiltonian formalism', 'operator, algebra', 'differential forms, symplectic', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511039'] | ['We review the recent generalization of the basic structures of classical analytical mechanics to field theory within the framework of the De Donder-Weyl (DW) covariant canonical theory. We start from the Poincar\\\'e-Cartan form and construct the analogue of the symplectic form -- the polysymplectic form of degree n+... | ['1995-11-07'] |
14,662 | ['eng'] | ['Thompson, G'] | ['New results in topological field theory and abelian gauge theory'] | ['Particle Physics - Theory'] | ['lectures, Trieste 1995/06/12', 'field theory, topological', 'gauge field theory, U(1)', 'moduli space', 'index theorem', 'duality', 'cohomology', 'field theory, instanton', 'Donaldson theory', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511038'] | ['These are the lecture notes of a set of lectures delivered at the 1995 Trieste summer school in June. I review some recent work on duality in four dimensional Maxwell theory on arbitrary four manifolds, as well as a new set of topological invariants known as the Seiberg-Witten invariants. Much of the necessary backgr... | ['1995-11-07'] |
14,663 | ['eng'] | ['Labastida, J M F'] | ['Topological quantum field theory'] | ['Particle Physics - Theory'] | ['talk, Santiago de Compostela 1995/09/18', 'field theory, topological', 'supersymmetry', 'gauge field theory, Chern-Simons term', 'Donaldson theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511037'] | ['A brief introduction to Topological Quantum Field Theory as well as a description of recent progress made in the field is presented. I concentrate mainly on the connection between Chern-Simons gauge theory and Vassiliev invariants, and Donaldson theory and its generalizations and Seiberg-Witten invariants. Emphasis i... | ['1995-11-07'] |
14,664 | ['eng'] | ['Derendinger, J P'] | ['Gaugino condensation with a linear multiplet'] | ['Particle Physics - Theory'] | ['talk, Palaiseau 1995/05/15', 'gauge field theory', 'supersymmetry, superfield', 'postulated particle, gaugino', 'gaugino, condensation', 'effective Lagrangian', 'multiplet, linear', 'linear, multiplet', 'symmetry, chiral', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511036'] | ['An effective lagrangian analysis of gaugino condensation is performed in a supersymmetric gauge theory with field-dependent gauge couplings described with a linear multiplet. An original aspect of this effective lagrangian is the use of a real vector superfield to describe composite gauge invariant degrees of freedom... | ['1995-11-07'] |
14,665 | ['eng'] | ['Sumino, Y'] | ['New method for exact calculation of Green functions in scalar field theory'] | ['Particle Physics - Theory'] | ['lattice field theory, scalar', 'any-dimensional', 'path integral', 'n-point function', 'Dyson-Schwinger equation', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511035'] | ["We present a new method for calculating the Green functions for a lattice scalar field theory in D dimensions with arbitrary potential V(\\phi). The method for non-perturbative evaluation of Green functions for D \\! = \\! 1 is generalized to higher dimensions. We define ``hole functions'' A^{(i)}~(i=0,1,2,\\cdots,N ... | ['1995-11-07'] |
14,666 | ['eng'] | ['Tarrach, Rolf'] | ['Mode dependent field renormalization and triviality'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'lattice field theory', 'perturbation theory, higher-order', 'renormalization', 'zero mode', 'n-point function', 'triviality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511034'] | ['We critically analyze the introduction of an independent zero momentum mode field renormalization for Phi4. It leads to an infrared divergent effective action. It does not achieve its purpose: triviality still gives massless particles in the broken phase in the continuum limit. It leads to an effective potential whic... | ['1995-11-07'] |
14,667 | ['eng'] | ['Kugo, T'] | ['The universal renormalization factors Z$_{1}$/Z$_{3}$ and color confinement condition in non-abelian gauge theory'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1995/09/18', 'gauge field theory, Yang-Mills', 'renormalization', 'vertex function', 'color, confinement', 'universality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511033'] | ['The ratio Z_1/Z_3 of vertex and wave-function renormalization factors, which is universal (i.e., matter-independent), is shown to equal 1+u which gives the residue of the scalar pole \\propto p_\\mu p_\\nu /p^2 of 2-point function < D_\\mu c D_\\nu \\bar c >. This relation is interesting since 1+u=0 has been known to... | ['1995-11-07'] |
14,668 | ['eng'] | ['de Wit, B'] | ['Special geometry and perturbative analysis of N=2 heterotic vacua'] | ['Particle Physics - Theory'] | ['talk, Brussels 1995/07/27', 'string model, heterotic', 'vacuum state', 'potential', 'renormalization', 'duality, transformation', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511019'] | ['The requirement of target-space duality and the use of nonrenormalization theorems lead to strong constraints on the perturbative prepotential that encodes the low-energy effective action of N=2 heterotic superstring vacua. The analysis is done in the context of special geometry, which governs the couplings of the ve... | ['1995-11-06'] |
14,669 | ['eng'] | ['Bering, K'] | ['From hamiltonian to lagrangian Sp(2) BRST quantization'] | ['Particle Physics - Theory'] | ['quantization', 'Hamiltonian formalism', 'Lagrangian formalism', 'constraint', 'transformation, Becchi-Rouet-Stora', 'master equation', 'algebra, Sp(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511020'] | ['We give a formal proof of the equivalence of Hamiltonian and Lagrangian BRST quantization. This is done for a generic Sp(2)-symmetric theory using flat (Darboux) coordinates. A new quantum master equation is derived in a Hamiltonian setting which contains all the Hamiltonian fields and momenta of a given theory.'] | ['1995-11-06'] |
14,670 | ['eng'] | ['Billó, M'] | ['R-symmetry of heterotic N=2 supergravities'] | ['Particle Physics - Theory'] | ['talk', 'supergravity, heterotic', 'coupling, matter', 'matter, coupling', 'R parity', 'instanton', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511017'] | ["The topological twist of N=2, D=4 matter-coupled supergravities requires a suitable R-symmetry. This symmetry is realised in the effective supergravities arising at tree level from certain heterotic compactifications. The set of instanton equations (topological gauge-fixings) is thus obtained. The conditions that R-s... | ['1995-11-06'] |
14,671 | ['eng'] | ['Frolov, S A'] | ['Physical phase space of lattice Yang-Mills theory and the moduli space of flat connections on a Riemann surface'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'lattice field theory', 'Hamiltonian formalism', 'phase space, deformation', 'moduli space', 'Chern-Simons term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511018'] | ['It is shown that the physical phase space of \\g-deformed Hamiltonian lattice Yang-Mills theory, which was recently proposed in refs.[1,2], coincides as a Poisson manifold with the moduli space of flat connections on a Riemann surface with (L-V+1) handles and therefore with the physical phase space of the correspondi... | ['1995-11-06'] |
14,672 | ['eng'] | ['Mahapatra, S'] | ['Duality and self-dual triplet solutions in euclidean quantum gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, action', 'field theory, Euclidean', 'charge, topological', 'field equations, soliton', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511021'] | ['Starting from the self-dual "triplet" of gravitational instanton solutions in Euclidean gravity, we obtain the corresponding instanton solutions in string theory by making use of the target space duality symmetry. These dual triplet solutions can be obtained from the general dual Taub-NUT de Sitter solution through s... | ['1995-11-06'] |
14,673 | ['eng'] | ['Bros, J', 'Buchholz, D A'] | ['Relativistic KMS-condition and Källen-Lehmann type representatios of thermal propagators'] | ['Particle Physics - Theory'] | ['talk', 'axiomatic field theory', 'finite temperature', 'n-point function', 'spectral representation', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511022'] | ['A relativistic version of the Kubo--Martin--Schwinger boundary condition is presented which fixes the properties of thermal equilibrium states with respect to arbitrary space--time translations. This novel condition is a natural generalization of the relativistic spectrum condition in the vacuum theory and has simila... | ['1995-11-06'] |
14,674 | ['eng'] | ['Alvarez, O'] | ['Classical geometry and target space duality'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'duality', 'Hamiltonian formalism', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511024'] | ["This is the written version of lectures presented at Cargese 95. A new formulation for a ``restricted'' type of target space duality in classical two dimensional nonlinear sigma models is presented. The main idea is summarized by the analogy: euclidean geometry is to riemannian geometry as toroidal target space duali... | ['1995-11-06'] |
14,675 | ['eng'] | ['Sen, A'] | ['U-duality and intersecting d-branes'] | ['Particle Physics - Theory'] | ['membrane model', 'string model', 'supersymmetry', 'spontaneous compactification, torus', 'phase space', 'duality, transformation', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511026'] | ['Spectrum of elementary string states in type II string theory compactified on a torus contains short multiplets which are invariant under only one quarter of the space-time supersymmetry generators. U-duality transformation converts these states into bound states of Dirichlet branes which wrap around intersecting cyc... | ['1995-11-06'] |
14,676 | ['eng'] | ['Plyushchay, M S', 'Sodano, P'] | ['Hidden supersymmetry of a P,T-invariant 3D fermion system'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'dimension, 3', 'supersymmetry, hidden symmetry', 'parity, invariance', 'invariance, parity', 'invariance, time reversal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511028'] | ["We show that a (2+1)-dimensional P,T-invariant free fermion system, relevant to P,T-conserving models of high-T_c superconductivity, has a U(1,1) dynamical symmetry as well as an N=3 supersymmetry with the even generator being a quadratic function of the spin operator and of the generator of chiral {\\rm U_c(1)} tran... | ['1995-11-06'] |
14,677 | ['eng'] | ['Witten, Edward'] | ['Small instantons in string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'field theory, instanton', 'moduli space', 'gauge field theory, SU(2)', 'gauge field theory, Sp(N)', 'membrane model, p-brane', 'p-brane, 5', 'field theory, conformal', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511030'] | ['A long-standing puzzle about the heterotic string has been what happens when an instanton shrinks to zero size. It is argued here that the answer at the quantum level is that an extra SU(2) gauge symmetry appears that is supported in the core of the instanton. Thus in particular the quantum heterotic string has vacua... | ['1995-11-06'] |
14,678 | ['eng'] | ['Elizalde, E', 'Odintsov, S D'] | ['Dilatonic gravity near two dimensions as a string theory'] | ['Particle Physics - Theory'] | ['string model', 'sigma model, nonlinear', 'gravitation', 'field theory, dilaton', 'dimension, 2', 'renormalization group', 'epsilon expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511031'] | ['Using the renormalization-group formalism, a sigma model of a special type- in which the metric and the dilaton depend explicitly on one of the string coordinates only-is investigated near two dimensions. It is seen that dilatonic gravity coupled to N scalar fields can be expressed in this form, using a string parame... | ['1995-11-06'] |
14,679 | ['eng'] | ['Astashkevich, A'] | ['On the structure of Verma module over Virasoro and Neveu-Schwarz algebras'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'algebra, representation', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511032'] | ['In the paper we present a different proof of the theorem of B. L. Feigin and D. B. Fuchs about the structure of Verma modules over Virasoro algebra. We state some new results about the structure of Verma modules over Neveu-Schwarz. The proof has thwo advantages: first, it is simplier in the most interesting cases (fo... | ['1995-11-06'] |
14,680 | ['eng'] | ['Iochum, B', 'Kastler, D', 'Schücker, T'] | ['Riemannian and non-commutative geometry in physics'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion', 'Higgs model', 'unified field theory', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511011'] | ['We feel that non-commutative geometry is to particle physics what Riemannian geometry is to gravity. We try to explain this feeling.'] | ['1995-11-03'] |
14,681 | ['eng'] | ['Moriconi, M', 'Schoutens, K'] | ['Thermodynamic Bethe ansatz for N = 1 supersymmetric theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry', 'S-matrix', 'integrability', 'Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511008'] | ["We study a series of N\\!=\\!1 supersymmetric integrable particle theories in d=1+1 dimensions. These theories are represented as integrable perturbations of specific N\\!=\\!1 superconformal field theories. Starting from the conjectured S-matrices for these theories, we develop the Thermodynamic Bethe Ansatz (TBA), ... | ['1995-11-03'] |
14,682 | ['eng'] | ['Chadan, K', 'Kobayashi, R', 'Martin, A', 'Stubbe, J'] | ['Generalization of the Calogero-Cohn bound on the number of bound states'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'potential', 'bound state', 'angular momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511012'] | ["It is shown that for the Calogero-Cohn type upper bounds on the number of bound states of a negative spherically symmetric potential V(r), in each angular momemtum state, that is, bounds containing only the integral \\int^\\infty_0 |V(r)|^{1/2}dr, the condition V'(r) \\geq 0 is not necessary, and can be replaced by t... | ['1995-11-03'] |
14,683 | ['eng'] | ['Frappat, L', 'Sciarrino, A', 'Sciuto, S', 'Sorba, Paul'] | ['Anyonic realization of the quantum affine Lie algebra U$_{q}$($\\widehat{A}_{N-1}$)'] | ['Particle Physics - Theory'] | ['quantum group, SL(N)', 'quantum algebra', 'algebra, affine', 'algebra, representation', 'algebra, deformation', 'central charge', 'postulated particle, anyon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511013'] | ['We give a realization of quantum affine Lie algebra U_q(\\hat A_{N-1}) in terms of anyons defined on a two-dimensional lattice, the deformation parameter q being related to the statistical parameter \\nu of the anyons by q = e^{i\\pi\\nu}. In the limit of the deformation parameter going to one we recover the Feingold... | ['1995-11-03'] |
14,684 | ['eng'] | ['Oehme, Reinhard'] | ['Superconvergence, confinement and duality'] | ['Particle Physics - Theory'] | ['talk', 'gauge field theory, Yang-Mills', 'algebra, Becchi-Rouet-Stora', 'supersymmetry', 'propagator', 'sum rule', 'duality, transformation', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511014'] | ['Arguments for the confinement of transverse gauge field excitations, which are based upon superconvergence relations of the propagator, and upon the BRST algebra, are reviewed and applied to supersymmetric models. They are shown to be in agreement with recent results obtained as a consequence of holomorphy and dualit... | ['1995-11-03'] |
14,685 | ['eng'] | ['Cornwall, J M', 'Yan, B'] | ['String tension and Chern-Simons fluctuations in the vortex vacuum of d=3 gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'dimension, 3', 'Chern-Simons term', 'Wilson loop', 'vortex, condensation', 'monopole, condensation', 'finite temperature', 'perturbation theory, higher-order', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511015'] | ['Based on a model of the d=3 SU(2) pure gauge theory vacuum as a monopole-vortex condensate, we give a quantitative (if model-dependent) estimate of the relation between the string tension and a gauge-invariant measure of the Chern-Simons susceptibility, due to vortex linkages, in the absence of a Chern-Simons term in... | ['1995-11-03'] |
14,686 | ['eng'] | ['Xiu, R'] | ['One-loop correction and the dilaton runaway problem'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'vacuum state', 'field theory, dilaton', 'perturbation theory, higher-order', 'gaugino, condensation', 'supersymmetry', 'gauge field theory, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511016'] | ['We examine the one-loop vacuum structure of an effective theory of gaugino condensation coupled to the dilaton for string models in which the gauge coupling constant does not receive string threshold corrections. The new ingredients in our treatment are that we take into account the one-loop correction to the dilaton... | ['1995-11-03'] |
14,687 | ['eng'] | ['Koseki, M', 'Kuriki, R'] | ['Quantization of 2D abelian gauge theory without the kinetic term of gauge field as anomalous gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion', 'dimension, 2', 'invariance, Becchi-Rouet-Stora', 'effective action', 'quantization, constraint', 'Hamiltonian formalism', 'light cone gauge', 'Schwinger model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511001'] | ['The massless Schwinger model without the kinetic term of gauge field has gauge anomaly. We quantize the model as an anomalous gauge theory in the most general class of gauge conditions. We show that the gauge field becomes a dynamical variable because of gauge anomaly.'] | ['1995-11-02'] |
14,688 | ['eng'] | ['Buchholz, D A'] | ['Quarks, colour, gluons'] | ['Particle Physics - Theory'] | ['hadron, matter', 'quark', 'gluon', 'color', 'n-point function', 'axiomatic field theory', 'scaling', 'Schwinger model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511002'] | ['A general method is presented which allows one to determine from the local gauge invariant observables of a quantum field theory the underlying particle and symmetry structures appearing at the lower (ultraviolet) end of the spatio--temporal scale. Particles which are confined to small scales, i.e., do not appear in ... | ['1995-11-02'] |
14,689 | ['eng'] | ['Park, D K', 'Kim, H S', 'Kim, J K'] | ['Is Lavelle-McMullan transformation a really new symmetry in QED?'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'transformation, Becchi-Rouet-Stora', 'symmetry, transformation', 'perturbation theory, higher-order', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511003'] | ['Lavelle-McMullan symmetry of QED is examined at classical and quantum levels. It is shown that Lavelle-McMullan symmetry does not give any new non-trivial information in QED by examining the Ward-Takahashi identities. Being inspired by the examination of Ward-Takahashi identity, we construct the generalized non-local... | ['1995-11-02'] |
14,690 | ['eng'] | ['Mashkevich, V S'] | ['Finite-size anyons and perturbation theory'] | ['Particle Physics - Theory'] | ['postulated particle, anyon', 'effect, finite size', 'perturbation theory', 'spin, 1/2', '1/2, spin', 'many-body problem, wave function', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511004'] | ['We address the problem of finite-size anyons, i.e., composites of charges and finite radius magnetic flux tubes. Making perturbative calculations in this problem meets certain difficulties reminiscent of those in the problem of pointlike anyons. We consider anyons having arbitrary spin and show how to circumvent thes... | ['1995-11-02'] |
14,691 | ['eng'] | ['Oehme, Reinhard'] | ['Reduction of coupling parameters'] | ['Particle Physics - Theory'] | ['talk, Protvino 1995/06', 'renormalization group', 'perturbation theory', 'gauge field theory, SU(2)', 'grand unified theory, SU(5)', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511006'] | ["The general theory of the reduction in the number of coupling parameters is discussed. The method involves renormalization group invariant relations between couplings. It is more general than the imposition of symmetries. There are reduced theories with no known symmetry. The reduction scheme is finding many applicat... | ['1995-11-02'] |
14,692 | ['eng'] | ['Oehme, Reinhard'] | ['Dispersion relations in gauge theories with confinement'] | ['Particle Physics - Theory'] | ['talk, Protvino 1995/06/26', 'gauge field theory, Yang-Mills', 'fermion', 'confinement', 'algebra, Becchi-Rouet-Stora', 'scattering amplitude', 'dispersion relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511007'] | ['The analytic structure of {\\it physical} amplitudes is considered for gauge theories with confinement of excitations corresponding to the elementary fields. Confinement is defined in terms of the BRST algebra. BRST-invariant, local, composite fields are introduced, which interpolate between physical asymptotic state... | ['1995-11-02'] |
14,693 | ['eng'] | ['Guilarte, J M'] | ['Light monopoles, electric vortices and instantons'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion', 'postulated particle, magnetic monopole', 'field equations, solution', 'critical phenomena', 'supersymmetry, superfield', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510236'] | ['The physics of the bare Seiberg-Witten action, without supersymmetric partners, is considered in the framework of standard Quantum Field Theory. The topological analysis related to the solutions of the Seiberg-Witten equations is performed and the phase structure of the model is also analysed.'] | ['1995-11-01'] |
14,694 | ['eng'] | ['Sen, A'] | ['A note on marginally stable bound states in type II string theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'duality, transformation', 'membrane model, p-brane', 'particle, multiplet', 'multiplet, particle', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510229'] | ['Spectrum of elementary string states in type II string theory contains ultra-short multiplets that are marginally stable. U-duality transformation converts these states into bound states at threshold of p-branes carrying Ramond-Ramond charges, and wrapped around p-cycles of a torus. We propose a test for the existenc... | ['1995-11-01'] |
14,695 | ['eng'] | ['Junker, G', 'Matthiesen, S', 'Inomata, A'] | ['Classical and quasi-classical aspects of supersymmetric quantum mechanics'] | ['Particle Physics - Theory'] | ['talk, Dubna 1995/07/10', 'mechanics, classical', 'quantum mechanics', 'supersymmetry', 'Witten index', 'path integral', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510230'] | ["A recent development of the studies on classical and quasi-classical properties of supersymmetric quantum mechanics in Witten's version is reviewed. First, classical mechanics of a supersymmetric system is considered. Solutions of the classical equations of motion are given and their properties are discussed in some ... | ['1995-11-01'] |
14,696 | ['eng'] | ['Frolov, V', 'Hendy, S', 'Larsen, A L'] | ['How to create a 2-D black hole'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 4', 'astrophysics, string', 'astrophysics, white hole', 'dimension, 2', 'geometry', 'perturbation, string', 'field theory, scalar', 'gravitation, dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510231'] | ["The interaction of a cosmic string with a four-dimensional stationary black hole is considered. If a part of an infinitely long string passes close to a black hole it can be captured. The final stationary configurations of such captured strings are investigated. A uniqueness theorem is proved, namely it is shown that... | ['1995-11-01'] |
14,697 | ['eng'] | ['Bugrij, A I', 'Shadura, V N'] | ['Three-loop contributions to the free energy of $\\lambda\\phi^{4}$ QFT'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'field theory, massive', 'massive, field theory', 'boundary condition', 'perturbation theory, higher-order', 'higher-order, 3', 'finite temperature', 'energy', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510232'] | ['The massive scalar field with \\lambda\\varphi^4 interaction placed in (3+1) dimensional box is considered. The sizes of the box are V\\times \\beta (V=L^3 is the volume, T=1/\\beta is the temperature). The free energy is evaluated up to the 2nd order of PT. The averaging on the vacuum fluctuations is separated from ... | ['1995-11-01'] |
14,698 | ['eng'] | ['Ghoshal, D'] | ['Notes on a singular Landau-Ginzburg family'] | ['Particle Physics - Theory'] | ['Landau-Ginzburg model', 'dimension, 2', 'central charge, 1', 'potential, superpotential', 'field theory, Calabi-Yau', 'geometry, algebra', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510233'] | ['We study some properties of a singular Landau-Ginzburg family characterized by the multi-variable superpotential W=-X^{-1}(Y_1Y_2)^{n-1} + {1\\over n} (Y_1Y_2)^n - Y_3Y_4. We will argue that (the infra-red limit of) this theory describes the topological degrees of freedom of the c=1 string compactified at n times the... | ['1995-11-01'] |
14,699 | ['eng'] | ['Aspinwall, Paul S', 'Louis, J'] | ['On the ubiquity of K3 fibrations in string duality'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'duality, transformation', 'perturbation theory', 'effective action', 'vacuum state', 'spontaneous compactification', 'field theory, Calabi-Yau'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9510234'] | ['We consider the general case of N=2 dual pairs of type IIA/heterotic string theories in four dimensions. We show that if the type IIA string in this pair can be viewed as having been compactified on a Calabi-Yau manifold in the usual way then this manifold must be of the form of a K3 fibration. We also see how the bo... | ['1995-11-01'] |
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