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 |
|---|---|---|---|---|---|---|---|---|
14,100 | ['eng'] | ['Wetterich, C'] | ['Systematic resummed perturbation theory'] | ['Particle Physics - Theory'] | ['perturbation theory', 'n-point function', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602039'] | ['A systematic loop expansion is formulated in terms of full propagators and vertices. It is based on an expansion of the general solution of an exact non-perturbative flow equation.'] | ['1996-02-13'] |
14,101 | ['eng'] | ['Ketov, S V'] | ['2D, N=2 and N=4 supergravity and the Liouville theory in superspace'] | ['Particle Physics - Theory'] | ['supergravity', 'field theory, Liouville', 'supersymmetry, superspace', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602038'] | ['The two-dimensional manifestly locally supersymmetric actions describing the N=2 and N=4 extended super-Liouville theory coupled to the N=2 and N=4 conformal supergravity, respectively, are constructed in superspace. It is shown that the N=4 super-Liouville multiplet is described by the improved twisted-II scalar mul... | ['1996-02-13'] |
14,102 | ['eng'] | ['Mazur, P O'] | ['On the quantum theory of gravitating particles'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'gravitation', 'quantization', 'fundamental constant, length'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602044'] | ['The present paper proposes a basis for new gravitational mechanics. The problem of finding the spectrum of mass-energy is reduced to a new kind of eigenvalue problem which intrinsically constains the fundamental length l = \\sqrt{Gh\\over c^3}. The new wave equations are difference wave equations in one representatio... | ['1996-02-13'] |
14,103 | ['eng'] | ['Ferrer, E J', 'Hurka, R', 'De la Incera, V'] | ['High-temperature anyon superconductivity'] | ['Particle Physics - Theory'] | ['postulated particle, anyon', 'model, fluid', 'magnetic field, screening', 'density, finite', 'finite temperature', 'superconducting', 'gauge field theory', 'Chern-Simons term', 'Meissner effect'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602042'] | ['The screening of an applied magnetic field in the charged anyon fluid at finite density and temperature is investigated. For densities typical of high-temperature superconducting materials we find that the anyon fluid exhibits a superconducting behavior at any temperature. The total Meissner screening is characterize... | ['1996-02-13'] |
14,104 | ['eng'] | ['Callan, C G', 'Maldacena, J M'] | ['D-brane approach to black hole quantum mechanics'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 5', 'black hole', 'radiation, Hawking', 'entropy', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602043'] | ['D-brane technology has made it possible to identify and precisely count the degenerate quantum states responsible for the entropy of certain extremal, BPS-saturated black holes. Here we give a Type-II D-brane description of a class of extremal {\\it and} non-extremal five-dimensional Reissner-Nordstr\\"om solutions. ... | ['1996-02-13'] |
14,105 | ['eng'] | ['Dienes, K R'] | ['String theory and the path to unification'] | ['Particle Physics - Theory'] | ['review, Santa Barbara 1995/10/23', 'unified field theory', 'coupling, gauge', 'gauge, coupling', 'string model', 'grand unified theory', 'algebra, Kac-Moody', 'hypercharge', 'threshold, correction', 'supersymmetry, threshold', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602045'] | ["This is a pedagogical review article surveying the various approaches towards understanding gauge coupling unification within string theory. As is well known, one of the major unsolved problems confronting string phenomenology has been an apparent discrepancy between the scale of gauge coupling unification predicted ... | ['1996-02-13'] |
14,106 | ['eng'] | ['Kim, Y', 'Sakai, N'] | ['Solitonic island in the bubble'] | ['Particle Physics - Theory'] | ['talk, Mt. Sorak 1995/01/18', 'critical phenomena, bubble', 'field equations, soliton', 'field theory, scalar', 'symmetry, O(3)', 'production, bubble', 'bubble, production', 'potential, scalar', 'space-time', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602034'] | ['We review how the continuous symmetry can support a soliton inside a high-temperature bubble at the time of its nucleation. This solitonic island in disoriented phase remains stable during the growth of bubbles before their collision.'] | ['1996-02-08'] |
14,107 | ['eng'] | ['Frolov, V', 'Hendy, S', 'Larsen, A L'] | ['Stationary strings and principal Killing triads in 2+1 gravity'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'dimension, 3', 'astrophysics, string', 'black hole', 'space-time, anti-de Sitter', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602033'] | ['A new tool for the investigation of 2+1 dimensional gravity is proposed. It is shown that in a stationary 2+1 dimensional spacetime, the eigenvectors of the covariant derivative of the timelike Killing vector form a rigid structure, the {\\it principal Killing triad}. Two of the triad vectors are null, and in many re... | ['1996-02-08'] |
14,108 | ['eng'] | ['Kawano, T'] | ['Duality of N=1 supersymmetric SO(10) gauge theory with matter in the spinorial representation'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(10)', 'supersymmetry', 'particle, multiplet', 'multiplet, particle', 'potential, flat direction', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602035'] | ['We study N=1 supersymmetric SO(10) gauge theory with a field in the spinorial representaition and N_f (\\leq8) fields in the defining representation. It is shown that this theory for N_f=7,8 has a dual description, which is N=1 supersymmetric SU(N_f-5) gauge theory. Its matter content for N_f=7 is different {}from th... | ['1996-02-08'] |
14,109 | ['eng'] | ['Shirkov, D V'] | ['The Bogolyubov renormalization group'] | ['Particle Physics - Theory'] | ['particle physics, history', 'renormalization group', 'field theory', 'propagator', 'statistical mechanics', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602024'] | ['We begin with personal notes describing the atmosphere of "Bogoliubov renormalization group" birth. Then we expose the history of RG discovery in the QFT and of the RG method devising in the mid-fifties. The third part is devoted to proliferation of RG ideas into diverse parts of theoretical physics. We conclude with... | ['1996-02-07'] |
14,110 | ['eng'] | ['Erler, J'] | ['Asymmetric orbifolds and higher level models'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, orbifold', 'phase space', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602032'] | ['I introduce a class of string constructions based on asymmetric orbifolds leading to level two models. In particular, I derive in detail various models with gauge groups E_6 and SO(10), including a four generation E_6 model with two adjoint representations. The occurrence of multiple adjoint representations is a gene... | ['1996-02-07'] |
14,111 | ['eng'] | ['Pasquinucci, A', 'Roland, K O'] | ['CPT invariance of string models in a Minkowski background'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'invariance, CPT', 'string model, heterotic', 'S-matrix', 'operator, vertex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602026'] | ['We study the space-time CPT properties of string theories formulated in a flat Minkowski background of even dimension. We define CPT as a world-sheet transformation acting on the vertex operators and we prove the CPT invariance of the string S-matrix elements. Some related issues, including the connection between spi... | ['1996-02-07'] |
14,112 | ['eng'] | ['Harris, M G', 'Ambjørn, Jan'] | ['Correlation functions in the multiple Ising model coupled to gravity'] | ['Particle Physics - Theory'] | ['Ising model, multiple', 'quantum gravity', 'dimension, 2', 'phi**n model, 3', 'field theory, planar', 'two-point function', 'spin, correlation function', 'correlation function, spin', 'critical phenomena', 'magnetic field, external field', 'scaling', 'model, polymer'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602028'] | ['The model of p Ising spins coupled to 2d gravity, in the form of a sum over planar phi-cubed graphs, is studied and in particular the two-point and spin-spin correlation functions are considered. We first solve a toy model in which only a partial summation over spin configurations is performed and, using a modified g... | ['1996-02-07'] |
14,113 | ['eng'] | ['Rodríguez, R', 'Hosotani, Y'] | ['Confinement and chiral condensates in 2-d QED with massive n-flavor fermions'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 2', 'Schwinger model, massive', 'massive, Schwinger model', 'Polyakov loop', 'string tension', 'fermion, flavor', 'fermion, mass', 'mass, fermion', 'charge, electric', 'condensation, chiral', 'finite temperature', 'vacuum state, Theta parameter', 'charge, fractional', 'charge, co... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602029'] | ['We evaluate Polyakov loops and string tension in two-dimensional QED with both massless and massive N-flavor fermions at zero and finite temperature. External charges, or external electric fields, induce phases in fermion masses and shift the value of the vacuum angle parameter \\theta, which in turn alters the chira... | ['1996-02-07'] |
14,114 | ['eng'] | ['Dabholkar, A', 'Park, J'] | ['An orientifold of type-IIB theory on K3'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'anomaly, gravitation', 'membrane model', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602030'] | ['A new orientifold of Type-IIB theory on K3 is constructed that has N=1 supersymmetry in six dimensions. The orientifold symmetry consists of a Z_2 involution of K3 combined with orientation-reversal on the worldsheet. The closed-string sector in the resulting theory contains nine tensor multiplets and twelve neutral ... | ['1996-02-07'] |
14,115 | ['eng'] | ['Pouliot, P', 'Strassler, M J'] | ['Duality and dynamical supersymmetry breaking in Spin(10) with a spinor'] | ['Particle Physics - Theory'] | ['gauge field theory, Spin(10)', 'Spin(10), gauge field theory', 'supersymmetry', 'gauge field theory, chiral', 'supersymmetry, dynamically broken', 'duality', 'mass spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602031'] | ['We study {\\cal N}=1 supersymmetric Spin(10) chiral gauge theories with a single spinor representation and N vector representations. We present a dual description in terms of an {\\cal N}=1 supersymmetric SU(N-5) chiral gauge theory with a symmetric tensor, one fundamental and N antifundamental representations. The S... | ['1996-02-07'] |
14,116 | ['eng'] | ['Le Guillou, J C', 'Núñez, C', 'Schaposnik, F A'] | ['Current algebra and bosonization in three dimensions'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 3', 'fermion, field theory', 'partition function', 'current algebra, commutation relations', 'bosonization', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602017'] | ['We consider the fermion-boson mapping in three dimensional space-time, in the Abelian case, from the current algebra point of view. We show that in a path-integral framework one can derive a general bosonization recipe leading, in the bosonic language, to the correct equal-time current commutators of the original fre... | ['1996-02-13'] |
14,117 | ['eng'] | ['Dito, G', 'Flato, M', 'Sternheimer, D', 'Takhtajan, L A'] | ['Deformation quantization and Nambu mechanics'] | ['Particle Physics - Theory'] | ['quantization', 'Hamiltonian formalism', 'operator, algebra', 'algebra, deformation', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602016'] | ['Starting from deformation quantization (star-products), the quantization problem of Nambu Mechanics is investigated. After considering some impossibilities and pushing some analogies with field quantization, a solution to the quantization problem is presented in what we call the Zariski quantization of fields (observ... | ['1996-02-13'] |
14,118 | ['eng'] | ['Gorbar, E V'] | ['Heat kernel expansion for operators of the type of the square root of the Laplace operator'] | ['Particle Physics - Theory'] | ['space-time', 'differential, operator', 'heat kernel', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602018'] | ['A method is suggested for the calculation of the DeWitt-Seeley-Gilkey (DWSG) coefficients for the operator \\sqrt{-\\nabla^2 + V(x)} basing on a generalization of the pseudodifferential operator technique. The lowest DWSG coefficients for the operator \\sqrt{-\\nabla^2} + V(x) are calculated by using the method propo... | ['1996-02-13'] |
14,119 | ['eng'] | ['Hoppe, J'] | ['On M-algebras, the quantisation of Nambu-mechanics, and volume preserving diffeomorphisms'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'membrane model, p-brane', 'Hamiltonian formalism', 'operator, algebra', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602020'] | ["M-branes are related to theories on function spaces \\cal{A} involving M-linear non-commutative maps from \\cal{A} \\times \\cdots \\times \\cal{A} to \\cal{A}. While the Lie-symmetry-algebra of volume preserving diffeomorphisms of T^M cannot be deformed when M>2, the arising M-algebras naturally relate to Nambu's ge... | ['1996-02-13'] |
14,120 | ['eng'] | ['Vafa, C'] | ['Evidence for F-theory'] | ['Particle Physics - Theory'] | ['field theory, F-theory', 'string model', 'space-time, Calabi-Yau', 'supersymmetry', 'dimension, 12', 'spontaneous compactification', 'geometry, algebra', 'field theory, F-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602022'] | ["We construct compact examples of D-manifolds for type IIB strings. The construction has a natural interpretation in terms of compactification of a 12 dimensional `F-theory'. We provide evidence for a more natural reformulation of type IIB theory in terms of F-theory. Compactification of M-theory on a manifold K which... | ['1996-02-13'] |
14,121 | ['eng'] | ['Strassler, M J'] | ['Manifolds of fixed points and duality in supersymmetric gauge theories'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1995/08/21', 'field theory, conformal', 'dimension, 2', 'infrared problem', 'renormalization group, transformation', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602021'] | ['There are many physically interesting superconformal gauge theories in four dimensions. In this talk I discuss a common phenomenon in these theories: the existence of continuous families of infrared fixed points. Well-known examples include finite {\\cal N}=4 and {\\cal N}=2 supersymmetric theories; many finite {\\ca... | ['1996-02-13'] |
14,122 | ['eng'] | ['Iofa, M Z'] | ['Energy in dilaton gravity in canonical approach'] | ['Particle Physics - Theory'] | ['talk, Zvenigorod 1995/09/19', 'string model', 'field theory, dilaton', 'gravitation, dilaton', 'energy', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602023'] | ['An expression for energy in string-inspired dilaton gravity is obtained in canonical approach.'] | ['1996-02-13'] |
14,123 | ['eng'] | ['Kallosh, R', 'Kol, B'] | ['E(7) symmetric area of the black hole horizon'] | ['Particle Physics - Theory'] | ['supergravity', 'hidden symmetry, E(7)', 'central charge', 'black hole, horizon', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602014'] | ['Extreme black holes with 1/8 of unbroken N=8 supersymmetry are characterized by the non-vanishing area of the horizon. The central charge matrix has four generic eigenvalues. The area is proportional to the square root of the invariant quartic form of E_{7(7)}. It vanishes in all cases when 1/4 or 1/2 of supersymmetr... | ['1996-02-07'] |
14,124 | ['eng'] | ['Vaman, D', 'Visinescu, M'] | ['Generalized Killing equations and Taub-NUT spinning space'] | ['Particle Physics - Theory'] | ['space-time, Taub-NUT', 'particle, relativistic', 'fermion', 'spin, 1/2', '1/2, spin', 'phase space', 'conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602015'] | ['The generalized Killing equations for the configuration space of spinning particles (spinning space) are analysed. Simple solutions of the homogeneous part of these equations are expressed in terms of Killing-Yano tensors. The general results are applied to the case of the four-dimensional euclidean Taub-NUT manifold... | ['1996-02-07'] |
14,125 | ['eng'] | ['Sen, A'] | ['M-theory on (K3 x S$^{1}$)/Z$_{2}$'] | ['Particle Physics - Theory'] | ['supergravity', 'spontaneous compactification', 'coset space, K(3) x S(1)/Z(2)', 'particle, multiplet', 'multiplet, particle', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602010'] | ['We analyze M-theory compactified on (K3\\times S^1)/Z_2 where the Z_2 changes the sign of the three form gauge field, acts on S^1 as a parity transformation and on K3 as an involution with eight fixed points preserving SU(2) holonomy. At a generic point in the moduli space the resulting theory has as its low energy l... | ['1996-02-07'] |
14,126 | ['eng'] | ['Semenoff, Gordon W', 'Szabo, R J'] | ['Polymer statistics and fermionic vector models'] | ['Particle Physics - Theory'] | ['statistics, polymer', 'model, vector', 'symmetry, O(N)', 'model, polymer', 'scaling', 'partition function', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602007'] | ['We consider a variation of O(N)-symmetric vector models in which the vector components are Grassmann numbers. We show that these theories generate the same sort of random polymer models as the O(N) vector models and that they lie in the same universality class in the large-N limit. We explicitly construct the double-... | ['1996-02-07'] |
14,127 | ['eng'] | ['Lahiri, A'] | ['Vector-tensor duality'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'gauge field theory, SU(N)', 'duality', 'sigma model, nonlinear', 'mass, topological', 'topological, mass'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602009'] | ['A dynamical non-abelian two-form potential is dual to a vector, and thence to a non-linear sigma model, when it is coupled to a flat connection in a particular way, in addition to the usual SU(N) gauge vector. The presence of the flat connection is crucial, which saves the topological mass generation mechanism from b... | ['1996-02-07'] |
14,128 | ['eng'] | ['Nishino, H', 'Gates, S J'] | ['Toward an off-shell 11D supergravity limit of M-theory'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'supersymmetry, superfield', 'membrane model', 'field theory, M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602011'] | ['We demonstrate that in addition to the usual fourth-rank superfield (W_{a b c d}) which describes the on-shell theory, a spinor superfield (J_\\a ) can be introduced into the 11D geometrical tensors with engineering dimensions less or equal to one in such a way to satisfy the Bianchi identities in superspace. The com... | ['1996-02-07'] |
14,129 | ['eng'] | ['Ho, C L'] | ["Sphere-like Solutions in Surface Functional Theory and Dirac's Membrane Model"] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'symmetry, rotational', 'mass spectrum', 'electron, model', 'field equations, solution', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9610239'] | ["A surface functional theory for p-dimensional extended objects, the p-branes, was proposed in previous papers. The field equations for toroidal p-branes was exactly solved in $d=p+2$ dimensions, yielding equally spaced mass-squared spectrum with massless states. In this paper, we obtain the asymptotic distribution of... | ['1996-10-31'] |
14,130 | ['eng'] | ['Kim, Y S'] | ['Unification of spacetime symmetries of massive and massless particles'] | ['Particle Physics - Theory'] | ['talk, Zakopane 1995/09/05', 'group theory, Poincare', 'group theory, representation', 'model, oscillator', 'model, parton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602004'] | ["The internal space-time symmetries of relativistic particles are dictated by Wigner's little groups. The O(3)-like little group for a massive particle at rest and the E(2)-like little group of a massless particle are two different manifestations of the same covariant little group. Likewise, the quark model and parton... | ['1996-02-02'] |
14,131 | ['eng'] | ['Gaite, J C'] | ['Landau-Ginzburg lagrangians of minimal W-models with an integrable perturbation'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Landau-Ginzburg model, potential', 'algebra, W(N)', 'perturbation theory', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602001'] | ["We construct Landau-Ginzburg Lagrangians for minimal bosonic (N=0) W-models perturbed with the least relevant field, inspired by the theory of N=2 supersymmetric Landau-Ginzburg Lagrangians. They agree with the Lagrangians for unperturbed models previously found with Zamolodchikov's method. We briefly study their pro... | ['1996-02-02'] |
14,132 | ['eng'] | ['Menotti, P', 'Peirano, P P'] | ['Functional integration on two dimensional Regge geometries'] | ['Particle Physics - Theory'] | ['quantum gravity, Regge', 'dimension, 2', 'path integral, measure', 'Riemann surfaces', 'regularization, heat kernel', 'asymptotic expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602002'] | ['By adopting the standard definition of diffeomorphisms for a Regge surface we give an exact expression of the Liouville action both for the sphere and the torus topology in the discretized case. The results are obtained in a general way by choosing the unique self--adjoint extension of the Lichnerowicz operator satis... | ['1996-02-02'] |
14,133 | ['eng'] | ['Osipov, E P'] | ['Quantum interaction $\\phi^{4}_{4}$ : the construction of quantum field defined as a bilinear form'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'field equations, solution', 'boundary condition', 'quantization', 'Hamiltonian formalism', 'linear spaces, Hilbert space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602003'] | ['We construct the solution \\phi(t,{\\bf x}) of the quantum wave equation \\Box\\phi + m^2\\phi + \\lambda:\\!\\!\\phi^3\\!\\!: = 0 as a bilinear form which can be expanded over Wick polynomials of the free in-field, and where :\\!\\phi^3(t,{\\bf x})\\!: is defined as the normal ordered product with respect to the fre... | ['1996-02-02'] |
14,134 | ['eng'] | ['Marshakov, A V'] | ['Exact solutions to quantum field theories and integrable equations'] | ['Particle Physics - Theory'] | ['integrability', 'string model', 'gauge field theory, Yang-Mills', 'supersymmetry', 'matter', 'model, hydrodynamical', 'Korteweg-de Vries equation', 'geometry, algebra', 'gravitation, topological', 'Whitham equation, hierarchy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602005'] | ['The exact solutions to quantum string and gauge field theories are discussed and the existing arguments in favour of possibility to describe these solutions in the framework of integrable systems are presented. In particular I consider in detail some examples of appearence of solutions to the first-order integrable e... | ['1996-02-02'] |
14,135 | ['eng'] | ['Kalloniatis, A C', 'Robertson, D G'] | ['Theta vacua in the light-cone Schwinger model'] | ['Particle Physics - Theory'] | ['Schwinger model', 'quantization', 'light cone gauge', 'Hamiltonian formalism', 'dimension, 2', 'bosonization', 'vacuum state, Theta parameter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9602006'] | ['We discuss the bosonized Schwinger model in light-cone quantization, using discretization as an infrared regulator. We consider both the light-cone Coulomb gauge, in which all gauge freedom can be removed and a physical Hilbert space employed, and the light-cone Weyl (temporal) gauge, in which the Hilbert space is un... | ['1996-02-02'] |
14,136 | ['eng'] | ['Madore, J', 'Mourad, J'] | ['Noncommutative Kaluza-Klein theory'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'differential geometry, noncommutative', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601169'] | ['Efforts have been made recently to reformulate traditional Kaluza-Klein theory by using a generalized definition of a higher-dimensional extended space-time. Both electromagnetism and gravity have been studied in this context. We review some of the models which have been proposed, with a special effort to keep the ma... | ['1996-02-01'] |
14,137 | ['eng'] | ['Itoyama, H', 'Morozov, A'] | ['Integrability and Seiberg-Witten theory'] | ['Particle Physics - Theory'] | ['talk, Toyonaka 1995/12/14', 'gauge field theory, Yang-Mills', 'supersymmetry', 'Riemann surfaces', 'symmetry, SL(N)', 'renormalization group', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601168'] | ['A summary of results is presented, which provide exact description of the low-energy 4d N=2 and N=4 SUSY gauge theories in terms of 1d integrable systems.'] | ['1996-02-01'] |
14,138 | ['eng'] | ['Kar, S', 'Kumar, A', 'Sen-Gupta, G'] | ['Exact type IIB superstring backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'background field', 'field theory, tensor', 'symmetry, SL(2,R)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601171'] | ['We obtain a family of type IIB superstring backgrounds involving Ramond-Ramond fields in ten dimensions starting from a heterotic string background with vanishing gauge fields. To this end the global SL(2,R) symmetry of the type IIB equations of motion is implemented as a solution generating transformation. Using a g... | ['1996-02-01'] |
14,139 | ['eng'] | ['Stratopoulos, G N', 'Tomaras, T N'] | ['Vortex pairs in charged fluids'] | ['Particle Physics - Theory'] | ['model, fluid', 'vortex, pair', 'spectra, fluctuation', 'fluctuation, spectra', 'Landau-Ginzburg model', 'model, superconducting', 'superconducting, model', 'energy, density', 'charge, topological', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601172'] | ['The motion of a vortex-(anti)vortex pair is studied numerically in the framework of a dynamical Ginzburg-Landau model, relevant to the description of a superconductor or of an idealized bosonic plasma. It is shown that up to a fine "cyclotron" internal motion, also studied in detail, two vortices brought together, ro... | ['1996-02-01'] |
14,140 | ['eng'] | ['Ivanov, E A'] | ['SU(2) x SU(2) harmonic superspace and (4,4) sigma models with torsion'] | ['Particle Physics - Theory'] | ['talk', 'sigma model, nonlinear', 'dimension, 2', 'supersymmetry, superspace', 'superspace, harmonic', 'symmetry, SU(2) x SU(2)', 'torsion', 'gauge field theory, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601173'] | ['We review a manifestly supersymmetric off-shell formulation of a wide class of torsionful (4,4) 2D sigma models and their massive deformations in the harmonic superspace with a double set of SU(2) harmonic variables. Sigma models with both commuting and non-commuting left and right complex structures are treated.'] | ['1996-02-01'] |
14,141 | ['eng'] | ['Blagojevic, M', 'Vasilic, M', 'Vukasinac, T'] | ['Asymptotic symmetry and conservation laws in 2d Poincaré gauge theory of gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 2', 'gauge field theory, Poincare', 'conservation law', 'asymptotic behavior', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601174'] | ["The structure of the asymptotic symmetry in the Poincar\\'e gauge theory of gravity in 2d is clarified by using the Hamiltonian formalism. The improved form of the generator of the asymptotic symmetry is found for very general asymptotic behaviour of phase space variables, and the related conserved quantities are exp... | ['1996-02-01'] |
14,142 | ['eng'] | ['Dine, Michael', 'Shirman, Yu'] | ['Couplings and scales in string theory revisited'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'approximation, strong coupling', 'strong coupling, approximation', 'duality, transformation', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601175'] | ["String theory, if it describes nature, is probably strongly coupled. In light of recent developments in string duality, this means that the ``real world'' should correspond to a region of the classical moduli space which admits no weak coupling description. We exhibit, in the heterotic string, one such region of the ... | ['1996-02-01'] |
14,143 | ['eng'] | ['Vtorov-Karevsky, Y', 'Tye, S H Henry'] | ['Effective action of spontaneously broken gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, SU(2)', 'Higgs model', 'symmetry, spontaneously broken', 'effective action', 'dependence, gauge', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601176'] | ['The effective action of a Higgs theory should be gauge-invariant. However, the quantum and/or thermal contributions to the effective potential seem to be gauge-dependent, posing a problem for its physical interpretation. In this paper, we argue that in a Higgs theory, perturbative contributions should be evaluated wi... | ['1996-02-01'] |
14,144 | ['eng'] | ['Tseytlin, Arkady A'] | ['Extreme dyonic black holes in string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'sigma model', 'spontaneous compactification, torus', 'black hole, dyon', 'entropy', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601177'] | ['Supersymmetric extreme dyonic black holes of toroidally compactified heterotic or type II string theory can be viewed as lower-dimensional images of solitonic strings wound around a compact dimension. We consider conformal sigma models which describe string configurations corresponding to extreme dyonic black holes i... | ['1996-02-01'] |
14,145 | ['eng'] | ["O'Loughlin, M H"] | ['Chern-Simons from Dirichlet 2-brane instantons'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, Calabi-Yau', 'Chern-Simons term', 'membrane model', 'field theory, instanton', 'moduli space', 'effective action', 'partition function', 'Wilson loop', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601179'] | ['In the vicinity of points in Calabi-Yau moduli space where there are degenerating three-cycles the low energy effective action of type IIA string theory will contain significant contributions arising from membrane instantons that wrap around these three-cycles. We show that the world-volume description of these insta... | ['1996-02-01'] |
14,146 | ['eng'] | ['Davis, S'] | ['Connections and generalized gauge transformations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fibre bundle', 'space-time, sphere', 'symmetry, SU(4)', 'symmetry, SO(8)', 'coset space', 'dimensional reduction', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601178'] | ['With the standard fibre being a coset manifold, the transformation of a connection form in a fibre bundle under the action of the isometry group includes a dependence on the fibre coordinate. Elimination of the fibre coordinate from the transformation rule implies that the standard fibre is a Lie group and that the b... | ['1996-02-01'] |
14,147 | ['eng'] | ['Chakrabarti, A', 'Tchrakian, D H'] | ['Spherically symmetric istantons of the scale invariant SU(2) gauged grassmannian model in d=4'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'instanton', 'symmetry, rotational', 'duality', 'model, Grassmann'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601157'] | ['(Anti)self-dual solutions of the scale invariant SU(2) gauged Grassmanian model are sought. A stronger (anti)selfduality condition for this system is defined, referred to as strong self-duality, and spherically symmetric solutions of this {\\it strong} (anti)self-duality equations are found in closed form. It is veri... | ['1996-01-31'] |
14,148 | ['eng'] | ['Bakas, Ioannis', 'Sfetsos, K'] | ['String effects and field theory puzzles with supersymmetry'] | ['Particle Physics - Theory'] | ['talk, Corfu 1995/09/03', 'string model', 'supersymmetry', 'duality', 'field theory, conformal', 'dimension, 2', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601158'] | ['We investigate field theory puzzles occuring in the interplay between supersymmetry and duality in the presense of rotational isometries (also known as non-triholomorphic in hyper-Kahler geometry). We show that T-duality is always compatible with supersymmetry, provided that non-local world-sheet effects are properly... | ['1996-01-31'] |
14,149 | ['eng'] | ['Saller, H'] | ['The analysis of time-space translations in quantum fields'] | ['Particle Physics - Theory'] | ['space-time, translation', 'unified field theory', 'group theory, Lorentz', 'Dirac equation', 'Maxwell equation', 'ghost', 'quantum algebra', 'charge, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601159'] | ['I discuss the indefinite metrical structure of the time-space translations as realized in the indefinite inner products for relativistic quantum fields, familiar in the example of quantum gauge fields. The arising indefinite unitary nondiagonalizable representations of the translations suggest as the positive unitari... | ['1996-01-31'] |
14,150 | ['eng'] | ['Modanese, G'] | ['Role of a "local" cosmological constant in euclidean quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity, Euclidean', 'lattice field theory, Regge', 'astrophysics, fundamental constant', 'continuum limit'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601160'] | ["In 4D non-perturbative Regge calculus a positive value of the effective cosmological constant characterizes the collapsed phase of the system. If a local term of the form S'=\\sum_{h \\epsilon \\{h_1,h_2,...\\} } \\lambda_h V_h is added to the gravitational action, where \\{h_1,h_2,...\\} is a subset of the hinges an... | ['1996-01-31'] |
14,151 | ['eng'] | ['Gerasimov, A A', 'Kharchev, S', 'Marshakov, A V', 'Mironov, A E', 'Morozov, A', 'Olshanetsky, M A'] | ['Liouville type models in group theory framework; 1, finite-dimensional algebras'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'group theory, SL(N)', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601161'] | ['In the series of papers we represent the ``Whittaker\'\' wave functional of d+1-dimensional Liouville model as a correlator in d+0-dimensional theory of the sine-Gordon type (for d=0 and 1). Asypmtotics of this wave function is characterized by the Harish-Chandra function, which is shown to be a product of simple \\G... | ['1996-01-31'] |
14,152 | ['eng'] | ['Eholzer, W', 'Gaberdiel, M R'] | ['Unitarity of rational N=2 superconformal theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'supersymmetry', 'algebra, Virasoro', 'unitarity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601163'] | ["We show that all rational models of the N=2 super Virasoro algebra are unitary. Our derivation relies on the coset realisation of the algebra in terms of su(2) and two free fermions. Most of our arguments generalise to the Kazama-Suzuki models indicating that all rational N=2 supersymmetric models might be unitary. A... | ['1996-01-31'] |
14,153 | ['eng'] | ['Bars, Itzhak'] | ['Consistency between 11D and U-duality'] | ['Particle Physics - Theory'] | ['talk, Erice 1995/08/08', 'string model', 'supersymmetry', 'dimension, 10', 'dimension, 11', 'spontaneous compactification', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601164'] | ['U duality transformations must act on a basis of states that form complete multiplets of the U group, at any coupling, even though the states may not be mass degenerate, as for a broken symmetry. Similarly if superstring theory is related to a non-perturbative 11D M-theory then an 11D supermultiplet structure is expe... | ['1996-01-31'] |
14,154 | ['eng'] | ['Freire, F L', "O'Connor, D", 'Stephens, C R', 'Van Eijck, M A'] | ['Finite-temperature renormalization group predictions'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature', 'critical phenomena', 'infrared problem', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601165'] | ['\\lambda\\varphi^4 theory at finite temperature suffers from infrared divergences near the temperature at which the symmetry is restored. These divergences are handled using renormalization group methods. Flow equations which use a fiducial mass as flow parameter are well adapted to predicting the non-trivial critica... | ['1996-01-31'] |
14,155 | ['eng'] | ['Park, D', 'Kiem, Y H'] | ['General static solutions of 2-dimensional Einstein-dilaton-Maxwell-scalar theories'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation', 'field equations, dilaton', 'dimension, 2', 'field equations, solution', 'charge, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601166'] | ['General static solutions of effectively 2-dimensional Einstein-Dilaton-Maxwell-Scalar theories are obtained. Our model action includes a class of 2-d dilaton gravity theories coupled with a U(1) gauge field and a massless scalar field. Therefore it also describes the spherically symmetric reduction of d-dimensional E... | ['1996-01-31'] |
14,156 | ['eng'] | ["D'Alwis, S P", 'Sato, K'] | ['D-strings and f-strings from string loops'] | ['Particle Physics - Theory'] | ['string model', 'field theory, action', 'background field', 'string, condensation', 'duality, SL(2,Z)', 'loop space', 'field equations, solution', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601167'] | ['Since the background fields of the string low energy action are supposed to be the long range manifestation of a condensate of strings, the addition of world sheet actions to the low energy effective action needs some string theoretic explanation. In this paper we suggest that this may be understood, as being due to ... | ['1996-01-31'] |
14,157 | ['eng'] | ['Harms, B', 'Stern, A'] | ['Bosonic description of spinning strings in 2+1 dimensions'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 3', 'string model', 'boson, string', 'field theory, action', 'group theory, ISO(2,1)', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601155'] | ['We write down a general action principle for spinning strings in 2+1 dimensional space-time without introducing Grassmann variables. The action is written solely in terms of coordinates taking values in the 2+1 Poincare group, and it has the usual string symmetries, i.e. it is invariant under a) diffeomorphisms of th... | ['1996-01-30'] |
14,158 | ['eng'] | ['Kazakov, V A', 'Staudacher, M', 'Wynter, T'] | ['Advances in large N group theory and the solution of two-dimensional R$^{2}$ gravity'] | ['Particle Physics - Theory'] | ['talk, Cargese 1995/07/11', 'gravitation, action', 'derivative, high', 'dimension, 2', 'expansion 1/N', 'partition function', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601153'] | ['We review the recent exact solution of a matrix model which interpolates between flat and random lattices. The importance of the results is twofold: Firstly, we have developed a new large N technique capable of treating a class of matrix models previously thought to be unsolvable. Secondly, we are able to make a firs... | ['1996-01-30'] |
14,159 | ['eng'] | ['Mikovic, A', 'Sazdovíc, B'] | ['W-strings on curved backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'gravitation, W(N)', 'field theory, action', 'Hamiltonian formalism', 'propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601144'] | ['We present a method for constructing actions describing propagation of W-strings on arbitrary curved backgrounds by using the canonical formalism and representations of W-algebras in terms of Abelian current algebras. An explicit construction is given in the case of the W_3 string.'] | ['1996-01-29'] |
14,160 | ['eng'] | ['Di Vecchia, P', 'Lerda, A', 'Magnea, L', 'Marotta, R', 'Russo, R'] | ['String techniques for the calculation of renormalization constants in field theory'] | ['Particle Physics - Theory'] | ['string model', 'boson, string', 'scattering amplitude, higher-order', 'higher-order, scattering amplitude', 'renormalization', 'gauge field theory, Yang-Mills', 'partition function', 'effective action', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601143'] | ['We describe a set of methods to calculate gauge theory renormalization constants from string theory, all based on a consistent prescription to continue off shell open bosonic string amplitudes. We prove the consistency of our prescription by explicitly evaluating the renormalizations of the two, three and four-gluon ... | ['1996-01-29'] |
14,161 | ['eng'] | ['Lópes-Cardoso, G', 'Lüst, Dieter', 'Mohaupt, T'] | ['Perturbative and non-perturbative monodromies in N=2 heterotic string vacua'] | ['Particle Physics - Theory'] | ['talk, Corfu 1995/09/03', 'string model, heterotic', 'vacuum state', 'perturbation theory', 'nonperturbative', 'geometry, algebra', 'monodromy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601145'] | ['In this talk we summarise our recent results on perturbative and non-perturbative monodromies in four-dimensional heterotic strings with N=2 space-time supersymmetry, and we compare our results with the rigid SU(2) N=2 Yang-Mills monodromies.'] | ['1996-01-29'] |
14,162 | ['eng'] | ['Arik, M', 'Ünel, G'] | ['Non-canonical quantization of a quadratic constrained system'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'quantization, Dirac', 'Hamiltonian formalism', 'operator, algebra', 'anomaly', 'phase space, Fock space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601149'] | ['We propose an alternative to Dirac quantization for a quadratic constrained system. We show that this solves the Jacobi identity violation problem occuring in the Dirac quantization case and yields a well defined Fock space. By requiring the uniqueness of the ground state, we show that for non-constrained systems thi... | ['1996-01-29'] |
14,163 | ['eng'] | ['Houghton, C', 'Sutcliffe, P M'] | ['Monopole scattering with a twist'] | ['Particle Physics - Theory'] | ['field equations, monopole', 'symmetry, SU(2)', 'moduli space', 'scattering, monopole', 'monopole, scattering', 'symmetry, axial', 'symmetry, solids', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601148'] | ['By imposing certain combined inversion and rotation symmetries on the rational maps for SU(2) BPS monopoles we construct geodesics in the monopole moduli space. In the moduli space approximation these geodesics describe a novel kind of monopole scattering. During these scattering processes axial symmetry is instantan... | ['1996-01-29'] |
14,164 | ['eng'] | ['Bergshoeff, E A', 'De Roo, M', 'Green, M B', 'Papadopoulos, G J', 'Townsend, P K'] | ['Duality of type II 7-branes and 8-branes'] | ['Particle Physics - Theory'] | ['duality', 'supergravity', 'dimension, 10', 'membrane model, p-brane', 'p-brane, 7', 'p-brane, 8', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601150'] | ["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 present a multi 8-brane... | ['1996-01-29'] |
14,165 | ['eng'] | ['Banks, T'] | ['SUSY breaking, cosmology, vacuum selection and the cosmological constant in string theory'] | ['Particle Physics - Theory'] | ['talk, Santa Barbara 1995/12/07', 'string model', 'supersymmetry, symmetry breaking', 'astrophysics, fundamental constant', 'energy, density', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601151'] | ['This is the written version of a talk given at the Santa Barbara Workshop on Supersymmetry in December of 1995. It summarizes a collection of results on superstring cosmology obtained by the author and various collaborators, and contains some speculations about the resolution of the cosmological constant and vacuum s... | ['1996-01-29'] |
14,166 | ['eng'] | ['Das, S R', 'Mathur, S D'] | ['Excitations of d-strings, entropy and duality'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'duality, transformation', 'symmetry, SL(2,Z)', 'phase space', 'ground state', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601152'] | ['We examine the BPS and low energy non-BPS excitations of the D-string, in terms of open strings that travel on the D-string. We use this to study the energy thresholds for exciting a long D-string, for arbitrary winding number. We also compute the leading correction to the entropy from non-BPS states for a long D-str... | ['1996-01-29'] |
14,167 | ['eng'] | ['Hallin, J', 'Liljenberg, P'] | ['Explicit gauge invariant quantization of the Schwinger model on a circle in the functional Schrödinger representation'] | ['Particle Physics - Theory'] | ['Schwinger model, circle', 'dimension, 2', 'Hamiltonian formalism', 'boundary condition', 'ground state', 'charge', 'Bogolyubov transformation', 'bosonization', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601136'] | ['We solve the Schwinger model on a circle by first finding the explicit groundstate functional(s). Having done this, we give the structure of the Hilbert space and derive bosonization formulae in this formalism.'] | ['1996-01-26'] |
14,168 | ['eng'] | ['Nojiri, S I'] | ['Group theoretical structure of N=1 and N=2 two-form supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'supersymmetry, superfield', 'supersymmetry, algebra', 'algebra, representation', 'field theory, topological', 'field theory, tensor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601137'] | ['We clarifies the group theoretical structure of N=1 and N=2 two-form supergravity, which is classically equivalent to the Einstein supergravity. N=1 and N=2 two-form supergravity theories can be formulated as gauge theories. By introducing two Grassmann variables \\theta^A (A=1,2), we construct the explicit represent... | ['1996-01-29'] |
14,169 | ['eng'] | ['Wieczerkowski, C'] | ['The renormalized $\\phi^{4}_{4}$-trajectory by perturbation theory in the running coupling'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'perturbation theory, higher-order', 'renormalization group, transformation', 'effective potential', 'scaling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601142'] | ['We compute the renormalized trajectory of \\phi^4_4-theory by perturbation theory in a running coupling. We introduce an iterative scheme without reference to a bare action. The expansion is proved to be finite to every order of perturbation theory.'] | ['1996-01-26'] |
14,170 | ['eng'] | ['Makeenko, Y M', 'Pe, H W'] | ['Supersymmetric matrix models and the meander problem'] | ['Particle Physics - Theory'] | ['matrix model', 'partition function', 'model, polymer', 'supersymmetry', 'n-point function', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601139'] | ['We consider matrix-model representations of the meander problem which describes, in particular, combinatorics for foldings of closed polymer chains. We introduce a supersymmetric matrix model for describing the principal meander numbers. This model is of the type proposed by Marinari and Parisi for discretizing a sup... | ['1996-01-26'] |
14,171 | ['eng'] | ['Chadan, K', 'Martin, A', 'Stubbe, J'] | ['Asymptotic properties of the solutions of a differential equation appearing in QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'gluon, radiation', 'differential equations, solution', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601140'] | ["We establish the asymptotic behaviour of the ratio h^\\prime(0)/h(0) for \\lambda\\rightarrow\\infty, where h(r) is a solution, vanishing at infinity, of the differential equation h^{\\prime\\prime}(r) = i\\lambda \\omega (r) h(r) on the domain 0 \\leq r <\\infty and \\omega (r) = (1-\\sqrt{r} K_1(\\sqrt{r}))/r. Some... | ['1996-01-26'] |
14,172 | ['eng'] | ['Plyushchay, M S'] | ['Minimal bosonization of supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'algebra, OSp(2/2)', 'bosonization', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601141'] | ['The minimal bosonization of supersymmetry in terms of one bosonic degree of freedom is considered. A nontrivial relationship of the construction to the Witten supersymmetric quantum mechanics is illustrated with the help of the simplest N=2 SUSY system realized on the basis of the ordinary (undeformed) bosonic oscill... | ['1996-01-26'] |
14,173 | ['eng'] | ['Andreas, B'] | ['T-S-T dual black hole'] | ['Particle Physics - Theory'] | ['space-time', 'black hole', 'duality, transformation', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601130'] | ['The sequence of intertwined T-S-T duality transformations acting on the 4D static uncharged black hole leads to a new black hole background with horizon and singularity exchanged. It is shown that this space-time is extendible too. In particular we will see that a string moving into a black hole is dual to a string l... | ['1996-01-25'] |
14,174 | ['eng'] | ['Vall, A N', 'Korenblit, S E', 'Leviant, V M', 'Tanaev, A B'] | ['Dynamical mapping method in nonrelativistic models of quantum field theory'] | ['Particle Physics - Theory'] | ['fermion, current', 'current, interaction', 'interaction, current', 'field theory, nonrelativistic', 'Hamiltonian formalism', 'charge, conservation law', 'field theory, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601126'] | ['The solutions of Heisenberg equations and two-particles eigenvalue problems for nonrelativistic models of current-current fermion interaction and N, \\Theta model are obtained in the frameworks of dynamical mapping method. The equivalence of different types of dynamical mapping is shown. The connection between renorm... | ['1996-01-25'] |
14,175 | ['eng'] | ['Daboul, J'] | ['Forward-backward squeezing propagator'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'bound state', 'propagator', 'phase space', 'squeezed state', 'differential equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601127'] | ['I show that a usual propagator cannot be defined for the pseudo-diffusion equation of the Q-functions. Instead, a forward-backward propagator is defined, which motivated a generalization of Cahill-Glauber interpolating operator. Our generalized operator {\\bf Q}(p, q;\\sigma_p^{-1},\\sigma_q) depends on two squeezing... | ['1996-01-25'] |
14,176 | ['eng'] | ['Bilal, Adel'] | ['Does coupling to gravity preserve integrability?'] | ['Particle Physics - Theory'] | ['talk, Cargese 1995/07/11', 'Gross-Neveu model', 'gravitation', 'dimension, 2', 'integrability', 'S-matrix'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601129'] | ['These are notes based on a lecture given at the Cargese summer school 1995. I describe evidence that the (two-dimensional) integrable chiral Gross-Neveu model might remain integrable when coupled to gravity. The results presented here were obtained in collaboration with Ian Kogan.'] | ['1996-01-25'] |
14,177 | ['eng'] | ['Morris, T R'] | ['On the fixed-point structure of scalar fields'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, O(N)', 'dimension, >2', 'renormalization group', 'effective potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601128'] | ['In a recent Letter (K.Halpern and K.Huang, Phys. Rev. Lett. 18 (1995) 3526), certain properties of the Local Potential Approximation (LPA) to the Wilson renormalization group were uncovered, which led the authors to conclude that D>2 dimensional scalar field theories endowed with {\\sl non-polynomial} interactions al... | ['1996-01-25'] |
14,178 | ['eng'] | ['Natividade, C P', 'Boschi-Filho, H'] | ['Faddeev-Jackiw formalism for a topological-like oscillator in planar dimensions'] | ['Particle Physics - Theory'] | ['model, oscillator', 'quantization', 'Hamiltonian formalism', 'gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601131'] | ['The problem of a harmonic oscillator coupling to an electromagnetic potential plus a topological-like (Chern-Simons) massive term, in two-dimensional space, is studied in the light of the symplectic formalism proposed by Faddeev and Jackiw for constrained systems.'] | ['1996-01-25'] |
14,179 | ['eng'] | ['Berera, A'] | ['Thermal properties of an inflationary universe'] | ['Particle Physics - Theory'] | ['inflationary universe', 'density, fluctuation', 'temperature, fluctuation', 'field theory, inflaton', 'Langevin equation', 'statistical mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601134'] | ['An energetic justification of a thermal component during inflation is given. The thermal component can act as a heat reservoir which induces thermal fluctuations on the inflaton field system. We showed previously that such thermal fluctuations could dominate quantum fluctuations in producing the initial seeds of dens... | ['1996-01-25'] |
14,180 | ['eng'] | ['Temple-Raston, M'] | ['Electric monopoles in generalised B\\wedge F theories'] | ['Particle Physics - Theory'] | ['soliton, topological', 'dimensional reduction', 'field equations, monopole', 'monopole, electric'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601121'] | ["A tensor product generalisation of B\\wedge F theories is proposed to give a Bogomol'nyi structure. Non-singular, stable, finite-energy particle-like solutions to the Bogomol'nyi equations are studied. Unlike Yang-Mills(-Higgs) theory, the Bogomol'nyi structure does not appear as a perfect square in the Lagrangian. C... | ['1996-01-24'] |
14,181 | ['eng'] | ['Chaichian, Masud', 'Felipe, R G', 'Martínez, D L'] | ['Spinning relativistic particle in an external electromagnetic field'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'spin', 'electromagnetic field, external field', 'Hamiltonian formalism', 'forces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601119'] | ['The Hamiltonian formulation of the motion of a spinning relativistic particle in an external electromagnetic field is considered. The approach is based on the introduction of new coordinates and their conjugated momenta to describe the spin degrees of freedom together with an appropriate set of constraints in the Dir... | ['1996-01-24'] |
14,182 | ['eng'] | ['Madore, J', 'Mourad, J', 'Sitarz, A'] | ['Deformations of differential calculi'] | ['Particle Physics - Theory'] | ['gravitation', 'quantization', 'differential forms, deformation', 'differential geometry, noncommutative', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601120'] | ['It has been suggested that quantum fluctuations of the gravitational field could give rise in the lowest approximation to an effective noncommutative version of Kaluza-Klein theory which has as extra hidden structure a noncommutative geometry. It would seem however from the Standard Model, at least as far as the weak... | ['1996-01-24'] |
14,183 | ['eng'] | ['Andra, A', 'Taylor, J C'] | ['Renormalization of Wilson operators in Minkowski space'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Wilson loop', 'perturbation theory, higher-order', 'charge, renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601122'] | ['We make some comments on the renormalization of Wilson operators (not just vacuum -expectation values of Wilson operators), and the features which arise in Minkowski space. If the Wilson loop contains a straight light-like segment, charge renormalization does not work in a simple graph-by-graph way; but does work whe... | ['1996-01-24'] |
14,184 | ['eng'] | ['Dorey, P', 'Tateo, R', 'Thompson, K E'] | ['Massive and massless phases in self-dual Z$_{N}$ spin models'] | ['Particle Physics - Theory'] | ['spin, model', 'model, spin', 'symmetry, Z(N)', 'critical phenomena', 'field theory, conformal', 'integral equations', 'infrared problem', 'thermodynamics, Bethe ansatz', 'renormalization group', 'sine-Gordon model', 'sum rule', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601123'] | ['The generally accepted phase diagrams for the discrete Z_N spin models in two dimensions imply the existence of certain renormalisation group flows, both between conformal field theories and into a massive phase. Integral equations are proposed to describe these flows, and some properties of their solutions are discu... | ['1996-01-24'] |
14,185 | ['eng'] | ['Barnich, G', 'Henneaux, M'] | ['Isomorphisms between the Batalin-Vilkovisky antibracket and the Poisson bracket'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'gauge field theory, Yang-Mills', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601124'] | ['One may introduce at least three different Lie algebras in any Lagrangian field theory : (i) the Lie algebra of local BRST cohomology classes equipped with the odd Batalin-Vilkovisky antibracket, which has attracted considerable interest recently~; (ii) the Lie algebra of local conserved currents equipped with the Di... | ['1996-01-24'] |
14,186 | ['eng'] | ['Pierce, D M'] | ['A (1,2) heterotic string with gauge symmetry'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'fermionization', 'symmetry, gauge', 'current algebra', 'anomaly', 'invariance, Becchi-Rouet-Stora', 'path integral', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601125'] | ['We construct a (1,2) heterotic string with gauge symmetry and determine its particle spectrum. This theory has a local N=1 worldsheet supersymmetry for left movers and a local N=2 worldsheet supersymmetry for right movers and describes particles in either two or three space-time dimensions. We show that fermionizing ... | ['1996-01-24'] |
14,187 | ['eng'] | ['Acerbi, C', 'Mussardo, G', 'Valleriani, A'] | ['Form factors and correlation functions of the stress-energy tensor in massive deformation of the minimal models (E$_{n}$)$_{1}$ x (E$_{n}$)$_{1}$/(E$_{n}$)$_{2}$'] | ['Particle Physics - Theory'] | ['Ising model, deformation', 'Potts model, deformation', 'algebra, exceptional', 'symmetry, discrete', 'form factor', 'tensor, energy-momentum', 'correlation function', 'field theory, conformal', 'integrability', 'S-matrix', 'bootstrap', 'tables', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601113'] | ['The magnetic deformation of the Ising Model, the thermal deformations of both the Tricritical Ising Model and the Tricritical Potts Model are governed by an algebraic structure based on the Dynkin diagram associated to the exceptional algebras E_n (respectively for n=8,7, 6). We make use of these underlying structure... | ['1996-01-23'] |
14,188 | ['eng'] | ['Kobayashi, H', 'Tsutsui, I'] | ['Quantum mechanical Liouville model with attractive potential'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'quantization', 'Hamiltonian formalism', 'quantum mechanics', 'potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601111'] | ["We study the quantum mechanical Liouville model with attractive potential which is obtained by Hamiltonian symmetry reduction from the system of a free particle on SL(2, \\Real). The classical reduced system consists of a pair of Liouville subsystems which are `glued together' in such a way that the singularity of th... | ['1996-01-23'] |
14,189 | ['eng'] | ['Baver, E', 'Gepner, D'] | ['Fusion rules for extended current algebras'] | ['Particle Physics - Theory'] | ['group theory, SU(N)/Z(M)', 'algebra, Lie', 'algebra, fusion', 'current algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601114'] | ['The initial classification of fusion rules have shown that rational conformal field theory is very limited. In this paper we study the fusion rules of extended current algebras. Explicit formulas are given for the S matrix and the fusion rules, based on the full splitting of the fixed point fields. We find that in so... | ['1996-01-23'] |
14,190 | ['eng'] | ['Comellas, J', 'Kubyshin, Yu A', 'Moreno, E F'] | ['Approximate solutions in scalar and fermionic theories within the exact renormalization group approach'] | ['Particle Physics - Theory'] | ['talk, Zvenigorod 1995/09/20', 'field theory, scalar', 'fermion', 'path integral', 'renormalization group', 'critical phenomena', 'perturbation theory', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601112'] | ['We give a review of the exact renormalization group (ERG) approach and illustrate its applications in scalar and fermionic theories. The derivative expansion and approximations based on the derivative expansion with further truncation in the number of fields (mixed approximation) are discussed. We analyse the mixed a... | ['1996-01-23'] |
14,191 | ['eng'] | ['Jatkar, D P', 'Mukherji, S', 'Panda, S'] | ['Rotating dyonic black holes in heterotic string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'field theory, dyon', 'black hole', 'charge, electric', 'charge, magnetic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601118'] | ['We study a class of rotating dyonic black holes in the heterotic string theory in four dimension which have left, right independent electric charges but have same magnitude for the left and right magnetic charges. The gyromagnetic (electric) ratios are in general found not to have an upper bound.'] | ['1996-01-23'] |
14,192 | ['eng'] | ['de Wit, B', 'Grisaru, Marc T', 'Rocek, Martin'] | ['Nonholomorphic corrections to the one-loop N=2 super Yang-Mills action'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'potential, Kaehler', 'analytic properties', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601115'] | ['In addition to the familiar contribution from a holomorphic function \\cal{F}, the K\\"ahler potential of the scalars in the nonabelian N=2 vector multiplet receives contributions from a real function \\cal{H}. We determine the latter at the one-loop level, taking into account both supersymmetric matter and gauge loo... | ['1996-01-23'] |
14,193 | ['eng'] | ['Dolan, L'] | ['The beacon of Kac-Moody symmetry for physics'] | ['Particle Physics - Theory'] | ['algebra, Kac-Moody', 'field theory, conformal', 'dimension, 2', 'integrability', 'gauge field theory, loop space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601117'] | ['The role of Kac-Moody algebras in exploiting symmetries of particle physics and string theory is described.'] | ['1996-01-23'] |
14,194 | ['eng'] | ['Sartori, G', 'Valente, G'] | ['Determination of the orbit spaces of non-coregular compact linear groups with one relation among the basic polynomial invariants in the $\\widehat P$-matrix approach'] | ['Particle Physics - Theory'] | ['talk, Torino 1996/12/15', 'group theory, geometrical', 'group theory, representation', 'group theory, orbit', 'master equation', 'symmetry, spontaneously broken'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008024'] | ["Invariant functions under the transformations of a compact linear group $G$ acting in $\\real^n$ can be expressed in terms of functions defined in the orbit space of $G$. We develop a method to determine the isotropy classes of the orbit spaces of all the real linear groups whose integrity bases (IB) satisfy only one... | ['2000-08-03'] |
14,195 | ['eng'] | ['Moriconi, M', 'Schoutens, K'] | ['Supersymmetric scattering in two dimensions'] | ['Particle Physics - Theory'] | ['talk, Brussels 1995/07/27', 'supersymmetry', 'dimension, 2', 'scattering amplitude, factorization', 'factorization, scattering amplitude', 'Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9511009'] | ["We briefly review results on two-dimensional supersymmetric quantum field theories that exhibit factorizable particle scattering. Our particular focus is on a series of N\\!=\\!1 supersymmetric theories, for which exact S-matrices have been obtained. A Thermodynamic Bethe Ansatz (TBA) analysis for these theories has ... | ['1995-11-03'] |
14,196 | ['eng'] | ['Ghoroku, K'] | ['CP$^{N-1}$ models and the quantized 2D black holes'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'dimension, 2', 'quantization', 'gravitation, induced', 'dilaton', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601110'] | ['We have examined the coupled system of the dilaton gravity and the CP^{N-1} theory known as a model of the confinement of massive scalar quarks. After the quantization of the system, we could see the quantum effect of the gravitation on the coupling constant of CP^{N-1} model and how the coupling constant of dynamica... | ['1996-01-22'] |
14,197 | ['eng'] | ['Laciana, C E'] | ['Thermal conditions for scalar bosons in a curved space time'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'finite temperature', 'tensor, energy-momentum', 'quantization', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601103'] | ['The conditions that allow us to consider the vacuum expectation value of the energy-momentum tensor as a statistical average, at some particular temperature, are given. When the mean value of created particles is stationary, a planckian distribution for the field modes is obtained. In the massless approximation, the ... | ['1996-01-22'] |
14,198 | ['eng'] | ['Saradzhev, F M'] | ['Poincaré algebra in chiral QCD$_{2}$'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'fermion, chiral', 'dimension, 2', 'space-time, cylinder', 'quantization', 'Hamiltonian formalism', 'algebra, Poincare'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601100'] | ['For the chiral QCD_2 on a cylinder, we give a construction of a quantum theory consistent with anomaly. We construct the algebra of the Poincare generators and show that it differs from the Poincare one.'] | ['1996-01-22'] |
14,199 | ['eng'] | ['Elizalde, E', 'Kantowski, R', 'Odintsov, S D'] | ['The renormalization group and spontaneous compactification of a higher-dimensional scalar field theory in curved spacetime'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 6', 'field theory, scalar', 'spontaneous compactification', 'renormalization group', 'effective action', 'energy, vacuum state', 'asymptotic behavior', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9601101'] | ['The renormalization group (RG) is used to study the asymptotically free \\phi_6^3-theory in curved spacetime. Several forms of the RG equations for the effective potential are formulated. By solving these equations we obtain the one-loop effective potential as well as its explicit forms in the case of strong gravitat... | ['1996-01-22'] |
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