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 |
|---|---|---|---|---|---|---|---|---|
15,900 | ['eng'] | ['Biedenharn, Lawrence Christian', 'Horwitz, L P'] | ["Quarks in the Skyrme-'t Hooft-Witten model"] | ['Particle Physics - Theory'] | ['quark, confinement', 'Skyrme model', 'flavor, 3', 'symmetry, SU(3) x SU(2)', 'field equations, soliton', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503138'] | ["The three-flavor Skyrme-'t Hooft-Witten model is interpreted in terms of a quark-like substructure, leading to a new model of explicitly confined color-free ``quarks'' reminiscent of Gell-Mann's original pre-color quarks, but with unexpected and significant differences."] | ['1995-03-22'] |
15,901 | ['eng'] | ['Gattringer, C R'] | ['QED$_{2}$ and U(1)-problem'] | ['Particle Physics - Theory'] | ['thesis', 'quantum electrodynamics', 'dimension, 2', 'U(1) problem', 'path integral, Euclidean', 'fermion, mass', 'mass, fermion', 'bosonization', 'sine-Gordon model', 'vacuum state, Theta parameter', 'current, vector', 'confinement', 'perturbation theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503137'] | ['QED_2 with mass and N flavors of fermions is constructed using Euclidean path integrals. The fermion masses are treated perturbatively and the convergence of the mass perturbation series is proven for a finite space-time cutoff. The expectation functional is decomposed into clustering theta-vacua and their properties... | ['1995-03-22'] |
15,902 | ['eng'] | ['Ishibashi, N', 'Kawai, H'] | ['A background independent formulation of noncritical string theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'background field', 'central charge, < =1', 'matrix model, 1', 'Hamiltonian formalism', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503134'] | ['Using the string field theory recently proposed by the authors and collaborators, we give a background independent formulation of rational noncritical string theories with c\\leq 1. With a little modification of the string field Hamiltonians previously constructed, we obtain string field theories which include variou... | ['1995-03-22'] |
15,903 | ['eng'] | ['Lunev, F A'] | ['Reformulation of QCD in the language of general relativity'] | ['Particle Physics - Theory'] | ['unified field theory', 'relativity theory, general', 'gauge field theory, SU(2)', 'gauge field theory, SU(3)', 'field theory, action', 'quantization', 'spinor', 'vector', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503133'] | ['It is shown that there exists such collection of variables that the standard QCD Lagrangian can be represented as the sum of usual Palatini Lagrangian for Einstein general relativity and the Lagrangian of matter and some other fields where the tetrad fields and the metric are constructed from initial SU(3) Yang - Mil... | ['1995-03-22'] |
15,904 | ['eng'] | ['Avramidi, I G'] | ['Covariant algebraic method for calculation of the low-energy heat kernel'] | ['Particle Physics - Theory'] | ['regularization, heat kernel', 'space-time', 'gauge field theory, Yang-Mills', 'asymptotic expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503132'] | ['Using our recently proposed covariant algebraic approach the heat kernel for a Laplace-like differential operator in low-energy approximation is studied. Neglecting all the covariant derivatives of the gauge field strength (Yang-Mills curvature) and the covariant derivatives of the potential term of third order and h... | ['1995-03-22'] |
15,905 | ['eng'] | ['Btysenko, A A', 'Odintsov, S D', 'Zerbini, S'] | ['High temperature expansion of string free energy in hyperbolic space'] | ['Particle Physics - Theory'] | ['string model, boson', 'string, open', 'space-time', 'energy', 'finite temperature, high', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503130'] | ['The high temperature behaviour of the open bosonic string free energy in the space S^1 \\otimes H^N with vanishingly small curvature is investigated. The leading term of the high temperature expansion of the one-loop free energy, near the Hagedorn instability, is obtained. The problem of infrared regularization of th... | ['1995-03-22'] |
15,906 | ['eng'] | ['Blumenhagen, R', 'Wißkirchen, A'] | ['A note on ADE string compactifications'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'supersymmetry, algebra', 'algebra, representation', 'field theory, conformal', 'dimension, 2', 'partition function', 'string model, vacuum state', 'field theory, orbifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503129'] | ['We address the question whether so-called m-invariants of the N=2 super Virasoro algebra can be used for the construction of reasonable four-dimensional string models. It turns out that an infinite subset of those are pathological in the sense that - although N=2 supersymmetric - the Ramond sector is not isomorphic t... | ['1995-03-22'] |
15,907 | ['eng'] | ['Rosenstein, B'] | ['Double expansion in asymptotically free theories'] | ['Particle Physics - Theory'] | ['asymptotic freedom', 'expansion, weak coupling', 'weak coupling, expansion', 'expansion, strong coupling', 'strong coupling, expansion', 'Ising model', 'model, spin', 'spin, model', 'symmetry, O(3)', 'effective action', 'Gross-Neveu model', 'sigma model', 'mass', 'effective potential', 'dimension, 1', 'dimension, 2',... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503128'] | ['I propose an approximation scheme for asymptotically free field theories combining both weak coupling and strong coupling series. The weak coupling expansion is used to integrate the high frequency modes and the resulting low energy effective theory is solved using the strong coupling expansion. In some models there ... | ['1995-03-21'] |
15,908 | ['eng'] | ['Toppan, F'] | ['Modular invariance as an explanation for the absence of monopoles'] | ['Particle Physics - Theory'] | ['group theory, modular', 'group theory, representation', 'gauge field theory, U(1)', 'Hamiltonian formalism', 'field theory, monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503122'] | ['It is shown that modular invariance provides a natural explanation for the absence of monopoles when assumed to be a discrete gauge symmetry. It follows that monopoles can not be seen because it is always possible to find a suitable gauge-fixing in which they are not present. This result relies upon an easy to prove ... | ['1995-03-21'] |
15,909 | ['eng'] | ['Lee, C', 'Yi, P'] | ["The Bogomol'nyi bound of Lee-Weinberg magnetic monopoles"] | ['Particle Physics - Theory'] | ['gauge field theory, SO(3)', 'field theory, vector', 'Higgs model', 'field equations, monopole', 'symmetry, rotational', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503123'] | ["The Lee-Weinberg U(1) magnetic monopoles, which have been reinterpreted as topological solitons of a certain non-Abelian gauged Higgs model recently, are considered for some specific choice of Higgs couplings. The model under consideration is shown to admit a Bogomol'nyi-type bound which is saturated by the configura... | ['1995-03-21'] |
15,910 | ['eng'] | ['Witten, Edward'] | ['String theory dynamics in various dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, >=4', 'approximation, strong coupling', 'strong coupling, approximation', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503124'] | ['The strong coupling dynamics of string theories in dimension d\\geq 4 are studied. It is argued, among other things, that eleven-dimensional supergravity arises as a low energy limit of the ten-dimensional Type IIA superstring, and that a recently conjectured duality between the heterotic string and Type IIA superstr... | ['1995-03-21'] |
15,911 | ['eng'] | ['Gamboa-Rios, J', 'Zanelli, J'] | ['Anyons in 1+1 dimensions'] | ['Particle Physics - Theory'] | ['postulated particle, anyon', 'dimension, 2', 'spin, statistics', 'statistics, spin', 'spin, fractional', 'fractional, spin', 'nonrelativistic', 'relativistic', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503126'] | ["The possibility of excitations with fractional spin and statististics in 1+1 dimensions is explored. The configuration space of a two-particle system is the half-line. This makes the Hamiltonian self-adjoint for a family of boundary conditions parametrized by one real number \\gamma. The limit \\gamma \\rightarrow 0,... | ['1995-03-21'] |
15,912 | ['eng'] | ['Schwarz, J H'] | ['String theory symmetries'] | ['Particle Physics - Theory'] | ['talk, Puri 1994/12/12', 'string model', 'supersymmetry', 'duality, transformation', 'field theory, soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503127'] | ['A brief review of the status of duality symmetries in string theory is presented. The evidence is accumulating rapidly that an enormous group of duality symmetries, including perturbative T dualities and non-perturbative S-dualities, underlies string theory. It is my hope that an understanding of these symmetries wil... | ['1995-03-21'] |
15,913 | ['eng'] | ['Wadia, S R'] | ['A view of 2-dim string theory and black holes'] | ['Particle Physics - Theory'] | ['talk, Bombay 1994/01/05', 'string model', 'dimension, 2', 'matrix model', 'fermion, fluid', 'S-matrix', 'field equations, solution', 'phase space', 'algebra, W(infinity)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503125'] | ['We present a brief overview of 2-dim. string theory and its connection to the theory of non-relativistic fermions in one dimension. We emphasize (i) the role of W_\\infty algebra and (ii) the modelling of some aspects of 2-dim. black hole physics using the phase space representation of the fermi fluid.'] | ['1995-03-21'] |
15,914 | ['eng'] | ['Leigh, Robert G', 'Strassler, M J'] | ['Exactly marginal operators and duality in four dimensional N=1 supersymmetric gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'renormalization group', 'symmetry, flavor', 'group theory, representation', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503121'] | ['We show that manifolds of fixed points, which are generated by exactly marginal operators, are common in N=1 supersymmetric gauge theory. We present a unified and simple prescription for identifying these operators, using tools similar to those employed in two-dimensional N=2 supersymmetry. In particular we rely on t... | ['1995-03-20'] |
15,915 | ['eng'] | ['Verlinde, Erik'] | ['Black hole evaporation and complementarity'] | ['Particle Physics - Theory'] | ['talk, Les Houches 1994/08/02', 'talk, Trieste 1993/04/28', 'black hole', 'radiation, Hawking', 'space-time, horizon', 'quantum mechanics', 'geometry, background', 'field theory, scalar', 'gravitation, back reaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503120'] | ["About twenty years ago Hawking made the remarkable suggestion that the black hole evaporation process will inevitably lead to a fundamental loss of quantum coherence. The mechanism by which the quantum radiation is emitted appears to be insensitive to the detailed history of the black hole, and thus it seems that mos... | ['1995-03-20'] |
15,916 | ['eng'] | ['Ghoroku, K'] | ['Quantized 2D dilaton gravity and black holes'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, dilaton', 'dimension, 2', 'quantization', 'path integral', 'fluctuation', 'effective action', 'field equations, solution', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503116'] | ['We have examined a modified dilaton gravity whose action is separable into the kinetic and the cosmological terms for the sake of the quantization. The black hole solutions survive even in the quantized theory, but the ADM mass of the static solution is unbounded from below. Quantum gravitational effect on the intera... | ['1995-03-20'] |
15,917 | ['eng'] | ['Krivonos, S', 'Sorin, A'] | ['More on the linearization of W-algebras'] | ['Particle Physics - Theory'] | ['algebra, W(N)', 'supersymmetry', 'nonlinear', 'algebra, representation', 'current algebra', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503118'] | ['We show that a wide class of W-(super)algebras, including W_N^{(N-1)}, U(N)-superconformal as well as W_N nonlinear algebras, can be linearized by embedding them as subalgebras into some {\\em linear} (super)conformal algebras with finite sets of currents. The general construction is illustrated by the example of W_4... | ['1995-03-20'] |
15,918 | ['eng'] | ['Finnell, D', 'Pouliot, P'] | ['Instanton calculations versus exact results in 4 dimensional SUSY gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'integrability', 'perturbation theory, higher-order', 'regularization, dimensional', 'field theory, instanton', 'effective action', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503115'] | ['We relate the non-perturbative exact results in supersymmetry to perturbation theory using several different methods: instanton calculations at weak or strong coupling, a method using gaugino condensation and another method relating strong and weak coupling. This allows many precise numerical checks of the consistenc... | ['1995-03-20'] |
15,919 | ['eng'] | ['Thomas, S'] | ['Moduli inflation from dynamical supersymmetry breaking'] | ['Particle Physics - Theory'] | ['supersymmetry, dynamically broken', 'potential, flat direction', 'finite temperature', 'inflationary universe', 'moduli space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503113'] | ['Moduli fields, which parameterize perturbative flat directions of the potential in supersymmetric theories, are natural candidates to act as inflatons. An inflationary potential on moduli space can result if the scale of dynamical SUSY breaking in some sector of the theory is determined by a moduli dependent coupling... | ['1995-03-20'] |
15,920 | ['eng'] | ['Banks, T', 'Berkooz, M', 'Moore, G', 'Shenker, S H', 'Steinhardt, Paul Joseph'] | ['Modular cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, modular', 'inflationary universe', 'topology, defect', 'domain wall', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503114'] | ['An exploratory study of the cosmology of moduli in string theory. Moduli are argued to be natural inflaton fields and lead to a robust inflationary cosmology in which inflation takes place at the top of domain walls. The amplitude of microwave background fluctuations constrains the dynamics responsible for inflation ... | ['1995-03-20'] |
15,921 | ['eng'] | ['Labastida, J M F', 'Marino, M'] | ['A topological lagrangian for monopoles on four-manifolds'] | ['Particle Physics - Theory'] | ['field theory, topological', 'field theory, monopole', 'moduli space', 'fibre bundle', 'algebra, Becchi-Rouet-Stora', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503105'] | ["We present a topological quantum field theory which corresponds to the moduli problem associated to Witten's monopole equations for four-manifolds. The construction of the theory is carried out in purely geometrical terms using the Mathai-Quillen formalism, and the corresponding observables are described. These provi... | ['1995-03-17'] |
15,922 | ['eng'] | ['Chan, H M', 'Faridani, J', 'Tsou, S T'] | ['A nonabelian Yang-Mills analogue of classical electromagnetic duality'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'duality, transformation', 'charge, electric', 'charge, magnetic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503106'] | ["The classic question of a nonabelian Yang-Mills analogue to electromagnetic duality is here examined in a minimalist fashion at the strictly 4-dimensional, classical field and point charge level. A generalisation of the abelian Hodge star duality is found which, though not yet known to give dual symmetry, reproduces ... | ['1995-03-17'] |
15,923 | ['eng'] | ['Konik, R M', 'LeClair, A'] | ['Short distance expansions of correlation functions in the sine-Gordon theory'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'path integral', 'correlation function', 'perturbation theory, higher-order', 'operator product expansion', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503112'] | ['We examine the two-point correlation functions of the fields exp(i\\alpha\\Phi) in the sine-Gordon theory at all values of the coupling constant \\hat\\beta. Using conformal perturbation theory, we write down explicit integral expressions for every order of the short distance expansion. Using a novel technique analag... | ['1995-03-17'] |
15,924 | ['eng'] | ['Elizalde, E', 'Odintsov, S D'] | ['The Higgs-Yukawa model in curved spacetime'] | ['Particle Physics - Theory'] | ['space-time', 'Higgs model', 'fermion', 'coupling, Yukawa', 'Yukawa, coupling', 'renormalization group, beta function', 'effective potential', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503111'] | ['The Higgs-Yukawa model in curved spacetime (renormalizable in the usual sense) is considered near the critical point, employing the 1/N--expansion and renormalization group techniques. By making use of the equivalence of this model with the standard NJL model, the effective potential in the linear curvature approach ... | ['1995-03-17'] |
15,925 | ['eng'] | ['Cabra, D C', 'Rothe, Klaus D'] | ['Fermionic coset realization of primaries in critical statistical models'] | ['Particle Physics - Theory'] | ['Ising model', 'operator, energy', 'algebra, duality', 'fermion, Dirac', 'n-point function', 'correlation function', 'model, statistical', 'coset space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503110'] | ['We obtain a fermionic coset realization of the primaries of minimal unitary models and show how their four-point functions may be calculated by the use of a reduction formula. We illustrate the construction for the Ising model, where we obtain an explicit realization of the energy operator, Onsager fermions, as well ... | ['1995-03-17'] |
15,926 | ['eng'] | ['Grignani, G', 'Semenoff, Gordon W', 'Sodano, P'] | ['Polyakov loops in 2D QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 2', 'finite temperature', 'space-time, S(1)', 'Polyakov loop', 'wave function', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503109'] | ['We discuss SU(N) gluo-dynamics at finite temperature and on a spatial circle. We show that the effective action for the Polyakov Loop operator is a one dimensional gauged SU(N) principle chiral model with variables in the loop space and loop algebra of the gauge group. We find that the quantum states can be character... | ['1995-03-17'] |
15,927 | ['eng'] | ['Ambjørn, Jan', 'Jurkiewicz, J', 'Watabiki, Y'] | ['Dynamical triangulations, a gateway to quantum gravity?'] | ['Particle Physics - Theory'] | ['quantum gravity, Euclidean', 'dimension, 2', 'scaling', 'space-time, triangulation', 'correlation function', 'invariance, reparametrization', 'matrix model', 'two-point function', 'numerical calculations, Monte Carlo', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503108'] | ['We show how it is possible to formulate Euclidean two-dimensional quantum gravity as the scaling limit of an ordinary statistical system by means of dynamical triangulations, which can be viewed as a discretization in the space of equivalence classes of metrics. Scaling relations exist and the critical exponents have... | ['1995-03-17'] |
15,928 | ['eng'] | ['Alekseev, A Yu', 'Recknagel, A'] | ['The embedding structure and the shift operator of the U(1) lattice current algebra'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'lattice field theory', 'current algebra, embedding', 'block spin transformation', 'algebra, Kac-Moody', 'continuum limit'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503107'] | ['The structure of block-spin embeddings of the U(1) lattice current algebra is described. For an odd number of lattice sites, the inner realizations of the shift automorphism areclassified. We present a particular inner shift operator which admits a factorization involving quantum dilogarithms analogous to the results... | ['1995-03-17'] |
15,929 | ['eng'] | ['Honecker, A'] | ['Quantum spin models and extended conformal algebras'] | ['Particle Physics - Theory'] | ['thesis', 'model, spin', 'spin, model', 'algebra, conformal', 'integrability', 'Potts model, chiral', 'correlation function', 'algebra, W(N)', 'form factor', 'model, quasiparticle', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503104'] | ["First, an algebraic criterion for integrability is discussed -the so-called `superintegrability'- and some results on the classification of superintegrable quantum spin Hamiltonians based on sl(2) are obtained. Next, the massive phases of the Z_n-chiral Potts quantum spin chain (a model that violates parity) are stud... | ['1995-03-17'] |
15,930 | ['eng'] | ['Sitarz, A'] | ['On some aspects of linear connections in noncommutative geometry'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'differential forms', 'space-time, symmetry', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503103'] | ['We discuss two concepts of metric and linear connections in noncommutative geometry, applying them to the case of the product of continuous and discrete (two-point) geometry.'] | ['1995-03-17'] |
15,931 | ['eng'] | ['Barci, D G', 'Oxman, L E', 'Rocca, M'] | ['Canonical quantization of non-local field equations'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'nonlocal', 'quantization', 'Hamiltonian formalism', 'fluctuation', 'gauge field theory, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503101'] | ["We consistently quantize a class of relativistic non-local field equations characterized by a non-local kinetic term in the lagrangian. We solve the classical non-local equations of motion for a scalar field and evaluate the on-shell hamiltonian. The quantization is realized by imposing Heisenberg's equation which le... | ['1995-03-16'] |
15,932 | ['eng'] | ['Barci, D G', 'Oxman, L E'] | ['On the Chern-Simons gauge field'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'coupling, matter', 'matter, coupling', 'model, fluid', 'charge, electric', 'magnetic moment', 'current, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503100'] | ['We show the relationship between a fluid of particles having charge and magnetic moment in 2+1 dimensional electromagnetism and the Chern-Simons statistical field. The matter current which is minimally coupled to the electromagnetic field has two parts: the global electromagnetic current, and the corresponding topolo... | ['1995-03-16'] |
15,933 | ['eng'] | ['Berkovits, N'] | ['Super-Poincaré invariant superstring field theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'supersymmetry, superfield', 'field theory, topological', 'invariance, Poincare', 'invariance, conformal', 'transformation, Becchi-Rouet-Stora', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503099'] | ["Using the topological techniques developed in an earlier paper with Vafa, a field theory action is constructed for any open string with critical N=2 worldsheet superconformal invariance. Instead of the Chern-Simons-like action found by Witten, this action resembles that of a Wess-Zumino-Witten model. For the N=2 stri... | ['1995-03-16'] |
15,934 | ['eng'] | ['Donets, E'] | ['Stringy sphalerons and Gauss-Bonnet term'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'field equations, sphaleron', 'charge, topological', 'Gauss-Bonnet term', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503092'] | ['The effect of the Gauss--Bonnet term on the SU(2) non--Abelian regular stringy sphaleron solutions is studied within the non--perturbative treatment. It is found that the existence of regular solutions depends crucially on the value of the numerical factor \\beta in front of the Gauss--Bonnet term in the four--dimens... | ['1995-03-15'] |
15,935 | ['eng'] | ["O'Brien, D", 'Pearce, P A'] | ['Lattice realizations of unitary minimal modular invariant partition functions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'lattice field theory', 'partition function, factorization', 'invariance, modular', 'unitarity', 'central charge', 'dilute gas approximation', 'scaling', 'multiplicity', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503098'] | ['The conformal spectra of the critical dilute A-D-E lattice models are studied numerically. The results strongly indicate that, in branches 1 and 2, these models provide realizations of the complete A-D-E classification of unitary minimal modular invariant partition functions given by Cappelli, Itzykson and Zuber. In ... | ['1995-03-15'] |
15,936 | ['eng'] | ['Linde, Andrei D'] | ['Inflation with variable omega'] | ['Particle Physics - Theory'] | ['inflationary universe', 'chaos', 'matter, density', 'effective potential', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503097'] | ['We propose a very simple version of chaotic inflation which leads to a division of the universe into infinitely many (quasi)open universes with all possible values of Omega from 1 to 0. No fine-tuning of the effective potential is required. The question which of these universes is typical depends on the as-yet unsolv... | ['1995-03-15'] |
15,937 | ['eng'] | ['Balakrishna, B S', 'Mahanthappa, K T'] | ['Composite gauge fields and broken symmetries'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'gauge field theory, nonabelian', 'model, composite', 'symmetry breaking', 'effective potential', 'critical phenomena', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503096'] | ['A generalization of the non-Abelian version of the CP^{N-1} models (also known as Grassmannian models) is presented. The generalization helps accommodate a partial breaking of the non-Abelian gauge symmetry. Constituents of the composite gauge fields, in many cases, are naturally constrained to belong to an anomaly f... | ['1995-03-15'] |
15,938 | ['eng'] | ['Adams, D H', 'Sen, S'] | ["Partition function of a quadratic functional and semiclassical approximation for Witten's 3-manifold invariant"] | ['Particle Physics - Theory'] | ['partition function', 'field theory, topological', 'approximation, quasiclassical', 'Chern-Simons term', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503095'] | ['An extension of the method and results of A. Schwarz for evaluating the partition function of a quadratic functional is presented. This enables the partition functions to be evaluated for a wide class of quadratic functionals of interest in topological quantum field theory, for which no method has previously been ava... | ['1995-03-15'] |
15,939 | ['eng'] | ['Burinskii, A'] | ['Complex string as source of Kerr geometry'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'space-time', 'field theory, soliton', 'spin', 'astrophysics, string', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503094'] | ['The Kerr solution is considered as a soliton-like background for spinning elementary particles. Two stringy structures may be found in the Kerr geometry, one string is real and another one is complex. The main attention in this paper is paid to the complex string, which is connected with the Lind-Newman representatio... | ['1995-03-15'] |
15,940 | ['eng'] | ['Chamseddine, A H', 'Fröhlich, J', 'Grandjean, O'] | ['The gravitational sector in the Connes-Lott formulation of the standard model'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'Salam-Weinberg model', 'differential geometry, noncommutative', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503093'] | ['We study the Riemannian aspect and the Hilbert-Einstein gravitational action of the non-commutative geometry underlying the Connes-Lott construction of the action functional of the standard model. This geometry involves a two-sheeted, Euclidian space-time. We show that if we require the space of forms to be locally i... | ['1995-03-15'] |
15,941 | ['eng'] | ['John, V', 'Viet, N A', 'Wali, K C'] | ['Chern-Simons terms in noncommutative geometry and its application to bilayer quantum Hall systems'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'geometry, noncommutative', 'gauge field theory', 'Hall effect', 'dimension, 3', 'effective action', 'field theory, scalar', 'Maxwell equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503091'] | ['Considering bilayer systems as extensions of the planar ones by an internal space of two discrete points, we use the ideas of Noncommutative Geometry to construct the gauge theories for these systems. After integrating over the discrete space we find an effective 2+1 action involving an extra complex scalar field, wh... | ['1995-03-15'] |
15,942 | ['eng'] | ['Manvelian, R P'] | ['A hierarchy of gauged Grassmanian models in 4p dimensions with self-dual instantons'] | ['Particle Physics - Theory'] | ['field theory, Grassmann', 'gauge field theory, tensor', 'differential forms', 'any-dimensional', 'field equations, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503090'] | ['We present a hierarchy of gauged Grassmanian models in 4p dimensions, where the gauge field takes its values in the 2^{2p- 1}\\times 2^{2p-1} chiral representation of SO(4p). The actions of all these models are absolutely minimised by a hierarchy of self-duality equations, all of which reduce to a single pair of coup... | ['1995-03-15'] |
15,943 | ['eng'] | ['Park, J'] | ['Black hole solutions of Kaluza-Klein supergravity theories and string theory'] | ['Particle Physics - Theory'] | ['supergravity', 'Kaluza-Klein model', 'dimension, 6', 'black hole', 'symmetry, U(1) x U(1)', 'duality, transformation', 'electromagnetic', 'string model, heterotic', 'dimension, 5', 'spontaneous compactification', 'dimension, 4', 'space-time, torus', 'field theory, massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503084'] | ['We find U(1)_{E} \\times U(1)_{M} non-extremal black hole solutions of 6-dimensional Kaluza-Klein supergravity theories. Extremal solutions were found by Cveti\\v{c} and Youm\\cite{C-Y}. Multi black hole solutions are also presented. After electro-magnetic duality transformation is performed, these multi black hole s... | ['1995-03-14'] |
15,944 | ['eng'] | ['Sá, P M', 'Kleber, A', 'Lemos, J P S'] | ['Black holes in three-dimensional dilaton gravity theories'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, dilaton', 'dimension, 3', 'Einstein equation, solution', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503089'] | ['Three dimensional black holes in a generalized dilaton gravity action theory are analysed. The theory is specified by two fields, the dilaton and the graviton, and two parameters, the cosmological constant and the Brans-Dicke parameter. It contains seven different cases, of which one distinguishes as special cases, s... | ['1995-03-14'] |
15,945 | ['eng'] | ['Kleihaus, B', 'Kunz, J', 'Sood, A K'] | ['SU(3) Einstein-Skyrme solitons and black holes'] | ['Particle Physics - Theory'] | ['Skyrme model, SU(3)', 'field equations, soliton', 'symmetry, SU(2)', 'symmetry, SO(3)', 'black hole', 'charge, topological', 'field equations, solution', 'mass', 'coupling constant', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503087'] | ['In the SU(3) Einstein-Skyrme system static spherically symmetric particle-like solutions and black holes exist for both the SU(2) and the SO(3) embedding. The SO(3) embedding leads to new particle-like solutions and black holes, sharing many features with the SU(2) solutions. In particular, there are always two branc... | ['1995-03-14'] |
15,946 | ['eng'] | ['Ameduri, M', 'Konik, R M', 'LeClair, A'] | ['Boundary sine-Gordon interactions at the free fermion point'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'fermionization', 'bosonization', 'boundary condition', 'S-matrix', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503088'] | ['We study bosonization of the sine-Gordon theory in the presence of boundary interactions at the free fermion point. In this way we obtain the boundary S-matrix as a function of physical parameters in the boundary sine-Gordon Lagrangian. The boundary S-matrix can be matched onto the solution of Ghoshal and Zamolodchik... | ['1995-03-14'] |
15,947 | ['eng'] | ['Kutasov, D'] | ['A comment on duality in N=1 supersymmetric non-abelian gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'infrared problem', 'anomaly', 'renormalization group, beta function', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503086'] | ["Recently N. Seiberg has shown that certain N=1 supersymmetric Yang -- Mills theories have the property that their infrared physics can be equivalently described by {\\it two different} gauge theories, with the strong coupling region of one corresponding to the weak coupling region of the other. This duality leads to ... | ['1995-03-14'] |
15,948 | ['eng'] | ['Van Holten, J W'] | ['Domain boundaries, Goldstone bosons and gravitational waves'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'field theory, scalar', 'domain wall', 'boundary condition', 'Goldstone theorem', 'symmetry, spontaneously broken', 'gravitational radiation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503085'] | ['The dynamical behaviour of domain boundaries between different realizations of the vacuum of scalar fields with spontaneously broken phases is investigated. They correspond to zero-modes of the Goldstone fields, moving with the speed of light, and turn out to be accompanied by strongly oscillating gravitational field... | ['1995-03-14'] |
15,949 | ['eng'] | ['Fujii, A', 'Sasaki, R'] | ['Boundary effects in integrable field theory on a half line'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'sine-Gordon model', 'dimension, 2', 'boundary condition', 'integrability', 'S-matrix'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503083'] | ['Boundary effects caused by the boundary interactions in various integrable field theories on a half line are discussed at the classical as well as the quantum level. Only the so-called ``integrable" boundary interactions are discussed. They are obtained by the requirement that certain combinations of the lower member... | ['1995-03-14'] |
15,950 | ['eng'] | ['Mokhov, O I'] | ['Symplectic and Poisson geometry on loop spaces of manifolds and nonlinear equations'] | ['Particle Physics - Theory'] | ['loop space', 'differential geometry, symplectic', 'sigma model, nonlinear', 'torsion', 'Hamiltonian formalism', 'differential forms', 'differential equations', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503076'] | ['We consider some differential geometric classes of local and nonlocal Poisson and symplectic structures on loop spaces of smooth manifolds which give natural Hamiltonian and multihamiltonian representations for some important nonlinear equations of mathematical physics and field theory such as nonlinear sigma models ... | ['1995-03-13'] |
15,951 | ['eng'] | ['Polychronakos, A P'] | ['Probabilities and path-integral realization of exclusion statistics'] | ['Particle Physics - Theory'] | ['statistics, fractional', 'path integral', 'statistics, geon', 'many-body problem', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503077'] | ["A microscopic formulation of Haldane's exclusions statistics is given in terms of a priori occupation probabilities of states. It is shown that negative probabilities are always necessary to reproduce fractional statistics. Based on this formulation, a path-integral realization for systems with exclusion statistics i... | ['1995-03-13'] |
15,952 | ['eng'] | ['Fischler, Willy', 'Paban, S', 'Rozali, M'] | ['Collective coordinates in string theory'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 2', 'symmetry breaking, conformal', 'field theory, monopole', 'scattering', 'operator, vertex', 'wormhole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503072'] | ["The emergence of violations of conformal invariance in the form of non-local operators in the two-dimensional action describing solitons inevitably leads to the introduction of collective coordinates as two dimensional ``wormhole parameters''."] | ['1995-03-13'] |
15,953 | ['eng'] | ['Feinberg, J', 'Peleg, Y'] | ['Self-adjoint Wheeler-DeWitt operators, the problem of time and the wave function of the universe'] | ['Particle Physics - Theory'] | ['quantum cosmology, superspace', 'space-time, Robertson-Walker', 'Wheeler-DeWitt equation', 'astrophysics, wave function', 'time', 'Schroedinger equation', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503073'] | ['We discuss minisuperspace aspects of various non empty Robertson-Walker cosmological models. The requirement that the Wheeler-DeWitt (WDW) operator be self adjoint is a key ingredient in constructing the physical Hilbert space of a given model and has non-trivial cosmological implications. We discuss a dust filled Un... | ['1995-03-13'] |
15,954 | ['eng'] | ['Schwarz, J H'] | ['Classical symmetries of some two-dimensional models'] | ['Particle Physics - Theory'] | ['model, chiral', 'dimension, 2', 'space-time', 'symmetry, transformation', 'algebra, Virasoro', 'current algebra', 'duality, transformation', 'nonabelian', 'hidden symmetry', 'coset space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503078'] | ['It is well-known that principal chiral models and symmetric space models in two-dimensional Minkowski space have an infinite-dimensional algebra of hidden symmetries. Because of the relevance of symmetric space models to duality symmetries in string theory, the hidden symmetries of these models are explored in some d... | ['1995-03-13'] |
15,955 | ['eng'] | ['Delius, G W'] | ['Exact S-matrices with affine quantum group symmetry'] | ['Particle Physics - Theory'] | ['dimension, 2', 'quantum group, affine', 'S-matrix, factorization', 'integrability', 'R-matrix', 'field theory, Toda'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503079'] | ["We show how to construct the exact factorized S-matrices of 1+1 dimensional quantum field theories whose symmetry charges generate a quantum affine algebra. Quantum affine Toda theories are examples of such theories. We take into account that the Lorentz spins of the symmetry charges determine the gradation of the qu... | ['1995-03-13'] |
15,956 | ['eng'] | ['Cvetic, M', 'Youm, D'] | ['All the four dimensional static, spherically symmetric solutions of abelian Kaluza-Klein theory'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model, abelian', 'dimension, >4', 'symmetry, rotational', 'field equations, solution', 'black hole', 'charge, electric', 'charge, magnetic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503082'] | ['The explicit form for all the four dimensional, static, spherically symmetric solutions in (4+n)-d Abelian Kaluza-Klein (KK) theory is presented by performing two SO(1,1) boosts on the non-extreme U(1)_M \\times U(1)_E KK black hole (BH) and supplementing it by SO(n)/SO(n-2) transformations. The solutions are paramet... | ['1995-03-13'] |
15,957 | ['eng'] | ['Parkhomenko, S E'] | ['Quasi Frobenius Lie algebras construction of N=4 superconformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry', 'current algebra', 'operator product expansion', 'algebra, Virasoro', 'algebra, Lie'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503071'] | ['Manin triple construction of N=4 superconformal field theories is considered. The correspondence between quasi Frobenius finite-dimensional Lie algebras and N=4 superconformal field theories is established.'] | ['1995-03-13'] |
15,958 | ['eng'] | ['Vaysburd, I'] | ['Critical RSOS models in external fields'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'coset space', 'lattice field theory, external field', 'perturbation theory', 'field theory, kink', 'integrability', 'S-matrix'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503070'] | ['We suggest a new family of unitary RSOS scattering models which is obtained by placing the SO(N) critical models in "electric" or "magnetic" field. These fields are associated with two operators from the space of the SO(N) RCFT corresponding to the highest weight of the vector representation of SO(N). A perturbation ... | ['1995-03-13'] |
15,959 | ['eng'] | ['Hoppe, J'] | ['Conservation laws and formation of singularities in relativistic theories of extended objects'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'relativistic', 'any-dimensional', 'conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503069'] | ['The dynamics of an M-dimensional extended object whose M+1 dimensional world volume in M+2 dimensional space-time has vanishing mean curvature is formulated in term of geometrical variables (the first and second fundamental form of the time-dependent surface \\sum_M), and simple relations involving the rate of change... | ['1995-03-13'] |
15,960 | ['eng'] | ['Navarro, M'] | ["Comments on the Good's proposal for new rules of quantization"] | ['Particle Physics - Theory'] | ['quantization', 'wave function', 'Schroedinger equation', 'model, oscillator', 'Klein-Gordon equation', 'hydrogen'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503068'] | ["In a recent paper \\cite{[Good1]} Good postulates new rules of quantization, one of the major features of which is that the quantum evolucion of the wave function is always given by ordinary differential equations. In this paper we analize with some detail the proposal and discuss its viability and its relationship w... | ['1995-03-13'] |
15,961 | ['eng'] | ['Goodison, J'] | ['Calogero-Vasiliev oscillator in dynamically evolving curved spacetime'] | ['Particle Physics - Theory'] | ['space-time, Robertson-Walker', 'particle, production', 'production, particle', 'model, oscillator', 'statistics', 'conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503067'] | ["In a recent work, the consequences of quantizing a real scalar field \\Phi according to generalized ``quon'' statistics in a dynamically evolving curved spacetime (~which, prior to some initial time and subsequent to some later time, is flat~) were considered. Here a similar calculation is performed; this time we qua... | ['1995-03-13'] |
15,962 | ['eng'] | ['Freed, D E'] | ['Exact solutions for correlation functions in some 1+1 D field theories with boundary'] | ['Particle Physics - Theory'] | ['dimension, 2', 'correlation function', 'boundary condition', 'Ward identity, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503065'] | ['We consider 1+1 D theories which are free everywhere except for cosine and magnetic interactions on the boundary. These theories arise in dissipative quantum systems, open string theory, and, in special cases, tunneling in quantum Hall systems. These boundary systems satisfy an approximate SL(2,Z) symmetry as a funct... | ['1995-03-13'] |
15,963 | ['eng'] | ['Tsokur, V A', 'Zinoviev, Yu M'] | ['Dual versions of extended supergravities'] | ['Particle Physics - Theory'] | ['supergravity', 'field theory, action', 'duality, transformation', 'supersymmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503064'] | ['Recently, using the model of N=2 supergravity --- vector multiplets interaction with the scalar field geometry SU(1,m)/SU(m)\\otimes U(1) as an example, we have shown that even when the scalar field geometry is fixed, one can have a whole family of the Lagrangians, which differ by vector field duality transformation.... | ['1995-03-10'] |
15,964 | ['eng'] | ['Papadopoulos, G J'] | ['2,0 supersymmetric sigma models and almost complex structures'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'supersymmetry, superfield', 'field theory, action', 'quantization', 'Hamiltonian formalism', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503063'] | ['We find a new class of (2,0)-supersymmetric two-dimensional sigma models with torsion and target spaces almost complex manifolds extending similar results for models with (2,2) supersymmetry. These models are invariant under a new symmetry which is generated by a Noether charge of Lorentz weight one and it is associa... | ['1995-03-10'] |
15,965 | ['eng'] | ['Saltsidis, P'] | ['Hamiltonian BRST quantization of the conformal spinning string'] | ['Particle Physics - Theory'] | ['string model', 'quantization, Becchi-Rouet-Stora', 'supersymmetry', 'invariance, conformal', 'spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503062'] | ['The Hamiltonian BRST quantization of the null spinning string for different number of supersymmetries is given. A null spinning string with manifest space-time conformal invariance is constructed. Its Brst quantization gives negative critical dimension for N\\neq 0 and reproduces previous results for N=0.'] | ['1995-03-10'] |
15,966 | ['eng'] | ['Duval, C', 'Horváthy, P A', 'Palla, L'] | ['Spinor vortices in non-relativistic Chern-Simons theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'fermion', 'nonrelativistic', 'Dirac equation, solution', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503061'] | ["The non-relativistic `Dirac' equation of L\\'evy-Leblond is used to describe a spin {\\small 1/2} particle interacting with a Chern-Simons gauge field. Static, purely magnetic, self-dual spinor vortices are constructed. The solution can be `exported' to a uniform magnetic background field."] | ['1995-03-10'] |
15,967 | ['eng'] | ['Frolov, V P', 'Larsen, A L'] | ['Stationary strings and 2-D black holes'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 2', 'astrophysics, string', 'black hole', 'interaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503060'] | ['A general description of string excitations in stationary spacetimes is developed. If a stationary string passes through the ergosphere of a 4-dimensional black hole, its world-sheet describes a 2-dimensional black (or white) hole with horizon coinciding with the static limit of the 4-dimensional black hole. Mathemat... | ['1995-03-10'] |
15,968 | ['eng'] | ['Kreimer, D'] | ['Knots and divergences'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'knot theory', 'number theory', 'regularization, dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503059'] | ['We give empirical evidence that the UV-divergences of a renormalizable field theory are knot invariants.'] | ['1995-03-10'] |
15,969 | ['eng'] | ['Hsu, S D H'] | ['Regularization of chiral gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, chiral', 'lattice field theory', 'fermion, determinant', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503058'] | ["We propose a simple method for regulating chiral gauge theories. The method involves a `pre-regulation' of the gauge fields, which may be implemented on a lattice, followed by a computation of the chiral fermion determinant in the form of a functional integral which is regularized in the continuum. Our result for the... | ['1995-03-10'] |
15,970 | ['eng'] | ['Sen, A'] | ['Duality symmetry group of two dimensional heterotic string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 2', 'algebra, O(N,M)', 'algebra, affine', 'group theory, loop space', 'duality, transformation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503057'] | ['The equations of motion of the massless sector of the two dimensional string theory, obtained by compactifying the heterotic string theory on an eight dimensional torus, is known to have an affine o(8,24) symmetry algebra generating an O(8,24) loop group. In this paper we study how various known discrete S- and T- du... | ['1995-03-10'] |
15,971 | ['eng'] | ['Dienes, K R', 'Moshe, M', 'Myers, R C'] | ['String theory, misaligned supersymmetry, and the supertrace constraints'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'phase space', 'constraint', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503055'] | ["We demonstrate that string consistency in four spacetime dimensions leads to a spectrum of string states which satisfies the supertrace constraints Str(M^0)=0 and Str(M^2)=\\Lambda at tree level, where \\Lambda is the one-loop string cosmological constant. This result holds for a large class of string theories, inclu... | ['1995-03-09'] |
15,972 | ['eng'] | ['Lee, H'] | ['New algebraic equation determining anomalies'] | ['Particle Physics - Theory'] | ['anomaly, chiral', 'space-time', 'fermion, determinant', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503054'] | ['We derive a new algebraic relation which can be used to find various spinor loop anomalies. We show that this relation includes the Wess-Zumino consistency condition. For an example, we consider the chiral anomaly. With this formalism, the consistent anomaly and the covariant anomaly are determined simultaneously.'] | ['1995-03-09'] |
15,973 | ['eng'] | ['Dixon, G'] | ['Octonion XY-product'] | ['Particle Physics - Theory'] | ['algebra, octonion', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503053'] | ['The octonion X-product changes the octonion multiplication table, but does not change the role of the identity. The octonion XY-product is very similar, but shifts the identity as well. This will be of interest to those applying th octonions to string theory.'] | ['1995-03-09'] |
15,974 | ['eng'] | ['Kawai, H', 'Tsuda, N', 'Yukawa, T'] | ['Complex structures defined on dynamically triangulated surfaces'] | ['Particle Physics - Theory'] | ['gravitation', 'coupling, matter', 'matter, coupling', 'dimension, 2', 'lattice field theory', 'space-time, triangulation', 'transformation, conformal', 'analytic properties', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503052'] | ['A method to define the complex structure and separate the conformal mode is proposed for a surface constructed by two-dimensional dynamical triangulation. Applications are made for surfaces coupled to matter fields such as n scalar fields (n=0,1 and 4) and m Ising spins (m=1 and 3). We observe a well-defined complex ... | ['1995-03-09'] |
15,975 | ['eng'] | ['Villalba, M'] | ['Exact solution of the Dirac equation for a Coulomb and a scalar potential in the presence of an Aharonov-Bohm and magnetic monopole fields'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'magnetic monopole', 'Dirac equation, solution', 'potential, Coulomb', 'potential, scalar', 'energy levels'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503051'] | ['In the present article we analyze the problem of a relativistic Dirac electron in the presence of a combination of a Coulomb field, a 1/r scalar potential as well as a Dirac magnetic monopole and an Aharonov-Bohm potential. Using the algebraic method of separation of variables, the Dirac equation expressed in the loc... | ['1995-03-09'] |
15,976 | ['eng'] | ['Albeverio, Sergio A', 'Fei, S M'] | ['A remark on symmetry of stochastic dynamical systems and their conserved quantities'] | ['Particle Physics - Theory'] | ['differential equations, stochastic', 'differential forms', 'conservation law', 'symmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503050'] | ['Symmetry properties of stochastic dynamical systems described by stochastic differential equation of Stratonovich type and related conserved quantities are discussed, extending previous results by Misawa. New conserved quantities are given by applying symmetry operators to known conserved quantities. Some detailed ex... | ['1995-03-09'] |
15,977 | ['eng'] | ['Boulatov, D V'] | ['One-dimensional dynamics of QCD$_{2}$ string'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'gauge field theory, U(N)', 'fermion', 'dimension, 2', 'space-time, compact', 'partition function', 'critical phenomena', 'potential, chemical', 'finite temperature', 'continuum limit', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503048'] | ['We show that QCD_2 on 2D pseudo-manifolds is consistent with the Gross-Taylor string picture. It allows us to introduce a model describing the one-dimensional evolution of the QCD_2 string (in the sense that QCD_2 itself is regarded as a zero-dimensional system). The model is shown to possess the third order phase tr... | ['1995-03-09'] |
15,978 | ['eng'] | ['Zaikov, R P'] | ['Non-abelian bosonization and higher spin symmetries'] | ['Particle Physics - Theory'] | ['bosonization, nonabelian', 'spin, high', 'high, spin', 'symmetry, transformation', 'current algebra', 'Wess-Zumino-Witten model', 'hidden symmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503047'] | ["The higher spin properties of the non-abelian bosonization in the classical theory are investigated. Both the symmetry transformation algebra and the classical current algebra for the non-abelian free fermionic model are linear Gel'fand-Dickey type algebras. However, for the corresponding WZNW model these algebras ar... | ['1995-03-09'] |
15,979 | ['eng'] | ['Smilga, A V'] | ['Chiral symmetry and spectrum of Euclidean Dirac operator in QCD'] | ['Particle Physics - Theory'] | ['talk', 'quantum chromodynamics', 'operator, Dirac', 'spectral representation', 'symmetry, chiral', 'effect, finite size', 'partition function', 'sum rule', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503049'] | ['Some exact relations for the spectral density \\rho(\\lambda) of the Euclidean Dirac operator in QCD are derived. They follow directly from the chiral symmetry of the QCD lagrangian with massless quarks. New results are obtained both in thermodynamic limit when the Euclidean volume V is sent to infinity and also in t... | ['1995-03-09'] |
15,980 | ['eng'] | ['Awata, H', 'Matsuo, Y', 'Odake, S', 'Shiraishi, J'] | ['Excited states of Calogero-Sutherland model and singular vectors of the W$_{n}$ algebra'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'model, Calogero-Sutherland', 'field theory, collective', 'algebra, W(N)', 'algebra, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503043'] | ['Using the collective field method, we find a relation between the Jack symmetric polynomials, which describe the excited states of the Calogero-Sutherland model, and the singular vectors of the W_N algebra. Based on this relation, we obtain their integral representations. We also give a direct algebraic method which ... | ['1995-03-08'] |
15,981 | ['eng'] | ['Lozano, Y'] | ['Non-abelian duality and canonical transformations'] | ['Particle Physics - Theory'] | ['duality, transformation', 'nonabelian', 'Hamiltonian formalism', 'Wess-Zumino-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503045'] | ['We construct explicit canonical transformations producing non-abelian duals in principal chiral models with arbitrary group G. Some comments concerning the extension to more general \\sigma-models, like WZW models, are given.'] | ['1995-03-08'] |
15,982 | ['eng'] | ['MacKenzie, R'] | ['Remarks on gauge vortex scattering'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'scattering, vortex', 'vortex, scattering'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503044'] | ["In the abelian Higgs model, among other situations, it has recently been realized that the head-on scattering of n solitons distributed symmetrically around the point of scattering is by an angle \\pi/n, independent of various details of the scattering. In this note, it is first observed that this result is in fact n... | ['1995-03-08'] |
15,983 | ['eng'] | ['Madsen, J O', 'Ragoucy, E'] | ['Secondary quantum Hamiltonian reductions'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'algebra, representation', 'Hamiltonian formalism', 'operator, Becchi-Rouet-Stora', 'cohomology', 'Miura transformation', 'quantum algebra, W(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503042'] | ["Recently, it has been shown how to perform the quantum hamiltonian reduction in the case of general sl(2) embeddings into Lie (super)algebras, and in the case of general osp(1|2) embeddings into Lie superalgebras. In another development it has been shown that when H and H' are both subalgebras of a Lie algebra G with... | ['1995-03-08'] |
15,984 | ['eng'] | ['Accardi, L', 'Kozyrev, S V', 'Volovich, I V'] | ['The master field for large N matrix models and quantum groups'] | ['Particle Physics - Theory'] | ['matrix model', 'quantum group, SU(2)', 'master equation', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503041'] | ['In recent works by Singer, Douglas and Gopakumar and Gross an application of results of Voiculescu from non-commutative probability theory to constructions of the master field for large N matrix field theories have been suggested. In this note we consider interrelations between the master field and quantum groups. We... | ['1995-03-08'] |
15,985 | ['eng'] | ['Pasquinucci, A', 'Roland, K O'] | ['Bosonization of world-sheet fermions in Minkowski space-time'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'bosonization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503040'] | ['We propose a way of bosonizing free world-sheet fermions for 4-dimensional heterotic string theory formulated in Minkowski space-time. We discuss the differences as compared to the standard bosonization performed in Euclidean space-time.'] | ['1995-03-08'] |
15,986 | ['eng'] | ['Boonstra, H J', 'De Roo, M'] | ['Duality symmetry in four-dimensional string actions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'dimension, 10', 'dimensional reduction', 'dimension, 4', 'supergravity', 'field equations', 'duality, transformation', 'symmetry, SL(2,R)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503038'] | ['We reduce the dual version of D=10, N=1 supergravity coupled to n vector fields to four dimensions, and derive the SL(2,R)\\times O(6, 6+n) transformations which leave the equations of motion invariant. For n=0 SL(2,R) is also a symmetry of the action, but for n>0 only those SL(2,R) transformations which act linearly... | ['1995-03-08'] |
15,987 | ['eng'] | ['Nergiz, S', 'Saçlioglu, C'] | ['Does the Gursey-Tze solution represent a monopole condensate?'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'duality', 'field equations, instanton', 'field equations, monopole', 'monopole, condensation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503039'] | ['We recast the quaternionic Gursey-Tze solution, which is a fourfold quasi-periodic self-dual Yang-Mills field with a unit instanton number per Euclidean spacetime cell, into an ordinary coordinate formulation. After performing the sum in the Euclidean time direction, we use an observation by Rossi which suggests the ... | ['1995-03-08'] |
15,988 | ['eng'] | ['Dine, Michael'] | ['Issues in dynamical supersymmetry breaking'] | ['Particle Physics - Theory'] | ['talk', 'supersymmetry, dynamically broken', 'field theory', 'string model', 'potential, flat direction', 'analytic properties', 'Witten index'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503035'] | ['Recent work has made clear that we have far more control over the dynamics of supersymmetric than non-supersymmetric theories. Here, I discuss some issues in dynamical supersymmetry breaking both in ordinary field theory and in string theory. In string theory, in particular, it is possible to show, in some circumstan... | ['1995-03-07'] |
15,989 | ['eng'] | ['Winstanley, E', 'Mavromatos, Nikolaos E'] | ['Instability of hairy black holes in spontaneously-broken Einstein-Yang-Mills-Higgs systems'] | ['Particle Physics - Theory'] | ['black hole, stability', 'Einstein equation', 'gauge field theory, Yang-Mills', 'Higgs model', 'Schroedinger equation', 'field equations, sphaleron', 'black hole, horizon', 'perturbation, linear', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503034'] | ['The stability of a new class of hairy black hole solutions in the coupled system of Einstein-Yang-Mills-Higgs is examined, generalising a method suggested by Brodbeck and Straumann and collaborators, and Volkov and Gal\'tsov. The method maps the algebraic system of linearised radial perturbations of the various field... | ['1995-03-07'] |
15,990 | ['eng'] | ['Li, M'] | ['Large N solution of the 2D supersymmetric Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry', 'dimension, 2', 'Wilson loop', 'Ward identity', 'Dyson-Schwinger equation, solution', 'Hamiltonian formalism', 'Witten index', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503033'] | ['The Schwinger-Dyson equations of the Makeenko-Migdal type, when supplemented with some simple equations as consequence of supersymmetry, form a closed set of equations for Wilson loops and related quantities in the two dimensional super-gauge theory. We solve these equations. It appears that the planar Wilson loops a... | ['1995-03-07'] |
15,991 | ['eng'] | ['Hagen, C R'] | ['Perturbation theory and the Aharonov-Bohm effect'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'scattering amplitude, expansion', 'expansion, scattering amplitude', 'perturbation theory', 'flux tube', 'spinless', 'spin, 1/2', '1/2, spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503032'] | ['The perturbation theory expansion of the Aharonov-Bohm scattering amplitude has previously been studied in the context of quantum mechanics for spin zero and spin-1/2 particles as well in Galilean covariant field theory. This problem is reconsidered in the framework of the model in which the flux line is considered t... | ['1995-03-07'] |
15,992 | ['eng'] | ['Medvedev, P B', 'Zubarev, A P'] | ['N-point amplitudes for d=2 c=1 discrete states from string field theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'quantum gravity', 'dimension, 2', 'coupling, matter', 'matter, coupling', 'scattering amplitude, off-shell', 'off-shell, scattering amplitude', 'analytic properties', 'effective Lagrangian', 'gauge fixing', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503031'] | ['Starting from string field theory for 2d gravity coupled to c=1 matter we analyze N-point off-shell tree amplitudes of discrete states. The amplitudes exhibit the pole structure and we use the oscillator representation to extract the residues. The residues are generated by a simple effective action. We show that the ... | ['1995-03-07'] |
15,993 | ['eng'] | ['Bachas, C P'] | ['A way to break supersymmetry'] | ['Particle Physics - Theory'] | ['string model, SO(32)', 'supersymmetry, spontaneously broken', 'gauge field theory, Yang-Mills', 'dimension, >4', 'spontaneous compactification, torus', 'magnetic field', 'group theory, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503030'] | ['I study the spontaneous breakdown of supersymmetry when higher-dimensional Yang-Mills or the type-I SO(32) string theory are compactified on magnetized tori. Because of the universal gyromagnetic ratio g=2, the splittings of all multiplets are given by the product of charge times internal helicity operators. As a res... | ['1995-03-07'] |
15,994 | ['eng'] | ['Belardinelli, L', 'Destri, C', 'Onofri, E'] | ['A numerical study of the RG equation for the deformed O(3) nonlinear sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(3)', 'field theory, deformation', 'renormalization group', 'numerical calculations, variational', 'perturbation theory, higher-order', 'higher-order, 2', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503026'] | ['The Renormalization Group equation describing the evolution of the metric of the nonlinear sigma model poses some nice mathematical problems involving functional analysis, differential geometry and numerical analysis. In this article we briefly report some results obtained from the numerical study of the solutions in... | ['1995-03-06'] |
15,995 | ['eng'] | ['Malik, R P'] | ['Quantization of a q-deformed free relativistic particle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'quantization', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'operator, algebra', 'algebra, deformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503025'] | ['A q-deformed free scalar relativistic particle is discussed in the framework of the BRST formalism. The q-deformed local gauge symmetry and reparametrization invariance of the first-order Lagrangian have been exploited for the BRST quantization of this system on a GL_{q}(2) invariant quantum world-line. The on-shell ... | ['1995-03-06'] |
15,996 | ['eng'] | ['Unruh, W G', 'Wald, R M'] | ['On evolution laws taking pure states to mixed states in quantum field theory'] | ['Particle Physics - Theory'] | ['black hole, radiation', 'causality, violation', 'conservation law, energy-momentum', 'conservation law, violation', 'field theory, local', 'coherence, decoherence', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503024'] | ['It has been argued that any evolution law taking pure states to mixed states in quantum field theory necessarily gives rise to violations of either causality or energy-momentum conservation, in such a way as to have unacceptable consequences for ordinary laboratory physics. We show here that this is not the case by g... | ['1995-03-06'] |
15,997 | ['eng'] | ['Bordag, M', 'Elizalde, E', 'Kirsten, K'] | ['Heat-kernel coefficients of the Laplace operator on the D-dimensional ball'] | ['Particle Physics - Theory'] | ['operator, differential', 'space-time', 'any-dimensional', 'regularization, zeta function', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503023'] | ['We present a very quick and powerful method for the calculation of heat-kernel coefficients. It makes use of rather common ideas, as integral representations of the spectral sum, Mellin transforms, non-trivial commutation of series and integrals and skilful analytic continuation of zeta functions on the complex plane... | ['1995-03-06'] |
15,998 | ['eng'] | ['Hull, C M', 'Van Proeyen, A'] | ['Pseudo-duality'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'field theory, vector', 'supergravity', 'string model', 'supersymmetry', 'coupling constant', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503022'] | ['Proper symmetries act on fields while pseudo-symmetries act on both fields and coupling constants. We identify the pseudo-duality groups that act as symmetries of the equations of motion of general systems of scalar and vector fields and apply our results to N=2,4 and 8 supergravity theories. We present evidence that... | ['1995-03-06'] |
15,999 | ['eng'] | ['Hull, C M', 'Soloviev, O A'] | ['Conformal points and duality of non-abelian Thirring models and interacting WZNW models'] | ['Particle Physics - Theory'] | ['Thirring model, nonabelian', 'Wess-Zumino-Witten model, interaction', 'interaction, Wess-Zumino-Witten model', 'dimension, 2', 'approximation, strong coupling', 'strong coupling, approximation', 'path integral', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9503021'] | ['We show that the strong coupling phase of the non-Abelian Thirring model is dual to the weak-coupling phase of a system of two WZNW models coupled to each other through a current-current interaction. This latter system is integrable and is related to a perturbed conformal field theory which, in the large |k| limit, h... | ['1995-03-06'] |
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