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 |
|---|---|---|---|---|---|---|---|---|
8,900 | ['eng'] | ['Jahn, O', 'Lenz, F'] | ['Structure and Dynamics of Monopoles in Axial-Gauge QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'finite temperature', 'Polyakov loop', 'monopole', 'axial gauge', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803177'] | ['An investigation of singular fields emerging in the process of transforming QCD to the axial gauge is presented. The structure of the singularities is analyzed. It is shown that apart from well known neutral magnetic monopole singularities, the field configurations also exhibit singularities in their charged and tran... | ['1998-03-24'] |
8,901 | ['eng'] | ['Buchbinder, E I', 'Buchbinder, I L', 'Ivanov, E A', 'Kuzenko, S M'] | ['Central Charge as the Origin of Holomorphic Effective Action in N=2 Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, algebra', 'central charge', 'Seiberg-Witten model', 'analytic properties', 'duality', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803176'] | ['We explicitly demonstrate that the perturbative holomorphic contribution to the off-shell effective action of N=2 U(1) gauge supermultiplet is an entire effect of the minimal coupling to a hypermultiplet with the mass generated by a central charge in N=2 superalgebra. The central charge is induced by a constant vacuu... | ['1998-03-24'] |
8,902 | ['eng'] | ['Konishi, K I', 'Terao, H'] | ['CP, Charge Fractionalizations and Low Energy Effective Actions in the SU(2) Seiberg-Witten Theories with Quarks'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'Seiberg-Witten model', 'fermion, flavor', 'invariance, CP', 'vacuum state, Theta parameter', 'singularity', 'quark, mass', 'charge, fractional', 'dyon', 'confinement', 'symmetry breaking, chiral', 'magnetic monopole', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9707005'] | ["Several dynamical aspects of the SU(2) Seiberg-Witten models with N_f quark hypermultiplets are explored. We first clarify the meaning of the number of the singularities of the space of vacua. CP invariance of the theories are then studied and periodicities of theories in \\theta with and without bare quark masses ar... | ['1997-07-02'] |
8,903 | ['eng'] | ['Nirov, K S', 'Plyushchay, M S'] | ['P,T-invariant system of Chern-Simons fields'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'mass, topological', 'Chern-Simons term', 'parity, invariance', 'time reversal, invariance', 'hidden symmetry', 'Hamiltonian formalism', 'model, quasiclassical', 'quantization', 'symmetry, U(1,1)', 'supersymmetry, S(2,1)', 'symmetry, discrete', 'group theory, Lorentz', 'group theory, repres... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803221'] | ['We investigate hidden symmetries of P,T-invariant system of topologically massive U(1) gauge fields. For this purpose, we propose a pseudoclassical model giving rise to this field system at the quantum level. The model contains a parameter, which displays a quantization property at the classical and the quantum level... | ['1998-03-27'] |
8,904 | ['eng'] | ['Lledó, M A', 'Varadarajan, V S'] | ['SU(2) Poisson-Lie T duality'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'analytic properties', 'duality', 'symmetry, SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803175'] | ['Poisson-Lie target space duality is a framework where duality transformations are properly defined. In this letter we investigate the pair of sigma models defined by the double SO(3,1) in the Iwasawa decomposition.'] | ['1998-03-23'] |
8,905 | ['eng'] | ['Volovich, I V'] | ['Large N Gauge Theories and Anti-de Sitter Bag Model'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'expansion 1/N', 'space-time, de Sitter', 'supergravity, background field', 'bag model', 'Wilson loop', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803174'] | ['Using a proposal of Maldacena one describes the large N limit of gauge theories in terms of supergravity solutions on anti-de Sitter space. From this point of view we discuss a possible scenario for quark confinement in gauge theory by describing hadrons as strongly curved universes. In particular an interpretation o... | ['1998-03-23'] |
8,906 | ['eng'] | ['Strickland, M', 'Liao, S B'] | ['Scheme Independence of Blocking Transformation in Finite-Temperature Renormalization Group'] | ['Particle Physics - Theory'] | ['renormalization group', 'finite temperature', 'thermodynamics', 'block spin transformation', 'fluctuation', 'lattice field theory', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803173'] | ['The finite-temperature renormalization group is formulated via the Wilson-Kadanoff blocking transformation. Momentum modes and the Matsubara frequencies are coupled by constraints from a smearing function which plays the role of an infrared cutoff regulator. Using the scalar lambda phi^4 theory as an example, we cons... | ['1998-03-23'] |
8,907 | ['eng'] | ['Amorim, R', 'Barcelos-Neto, J'] | ['Axial and gauge anomalies in a theory with one and two-form gauge fields'] | ['Particle Physics - Theory'] | ['gauge field theory, vector', 'gauge field theory, tensor', 'fermion', 'anomaly, axial', 'anomaly, gauge', 'coupling, topological', 'antifield'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803172'] | ['We study the problem of axial and gauge anomalies in a reducible theory involving vector and tensor gauge fields coupled in a topological way. We consider that vector and axial fermionic currents couple with the tensor field in the same topological manner as the vector gauge one. This kind of coupling leads to an ano... | ['1998-03-23'] |
8,908 | ['eng'] | ['Andrianopoli, Laura', 'Ferrara, Sergio'] | ['K-K excitations on $AdS_{5} \\times S^{5}$ as $N=4$ "primary" superfields'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'dimension, 10', 'space-time, de Sitter', 'space-time, sphere', 'Kaluza-Klein model', 'particle, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803171'] | ["We show that the K-K spectrum of IIB string on AdS_5 x S_5 is described by ``twisted chiral'' N=4 superfields, naturally described in ``harmonic superspace'', obtained by taking suitable gauge singlets polynomials of the D3-brane boundary SU(n) superconformal field theory. To each p-order polynomial is associated a m... | ['1998-03-23'] |
8,909 | ['eng'] | ['Antonuccio, F', 'Lunin, O', 'Pinsky, S S'] | ['Non-Perturbative Spectrum of Two Dimensional (1,1) Super Yang-Mills at Finite and Large N'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, U(N)', 'supersymmetry', 'dimension, 3', 'dimensional reduction', 'dimension, 2', 'quantization, light cone', 'expansion 1/N', 'bound state', 'mass spectrum', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803170'] | ['We consider the dimensional reduction of N = 1 SYM_{2+1} to 1+1 dimensions, which has (1,1) supersymmetry. The gauge groups we consider are U(N) and SU(N), where N is a finite variable. We implement Discrete Light-Cone Quantization to determine non-perturbatively the bound states in this theory. A careful analysis of... | ['1998-03-23'] |
8,910 | ['eng'] | ['Berglund, P', 'Gimon, E G'] | ['On the Complementarity of F-theory, Orientifolds, and Heterotic Strings'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'vacuum state', 'dimension, 6', 'F-theory', 'orientifold', 'duality', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803168'] | ['We study F-theory duals of six dimensional heterotic vacua in extreme regions of moduli space where the heterotic string is very strongly coupled. We demonstrate how to use orientifold limits of these F-theory duals to regain a perturbative string description. As an example, we reproduce the spectrum of a $T^4/\\ZZ_{... | ['1998-03-20'] |
8,911 | ['eng'] | ['Oz, Y', 'Terning, J'] | ['Orbifolds of $AdS_{5}xS^{5}$ and 4d Conformal Field Theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'any-dimensional', 'M-theory', 'spontaneous compactification', 'space-time, de Sitter', 'supergravity', 'Kaluza-Klein model', 'symmetry, SU(N)', 'group theory, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803167'] | ['We study the relation between the large Nc limit of four dimensional N=2,1,0 conformal field theories and supergravity on orbifolds of AdS_5xS^5. We analyze the the Kaluza-Klein states of the supergravity theory and relate them to the spectrum of (chiral) primary operators of the (super) conformal field theories.'] | ['1998-03-20'] |
8,912 | ['eng'] | ['Ho, P M'] | ['Twisted Bundle On Quantum Torus and BPS States in Matrix Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'matrix model', 'background field, tensor', 'differential forms, 3', 'spontaneous compactification, torus', 'fibre bundle', 'soliton', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803166'] | ['Following the recent work of Connes, Douglas and Schwarz, we study the M(atrix) model compactified on a torus with a background of the three-form field. This model is given by a super Yang-Mills theory on a quantum torus. To consider twisted gauge field configurations, we construct twisted U(n) bundles on the quantum... | ['1998-03-20'] |
8,913 | ['eng'] | ['Bazeia, D', 'Jackiw, R W'] | ['Field-dependent diffeomorphism symmetry in diverse dynamical systems'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 3', 'model, fluid', 'symmetry, diffeomorphism', 'field equations, solution', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803165'] | ['We consider a description of membranes by (2+1)-dimensional field theory, or alternatively a description of irrotational, isentropic fluid motion by a field theory in any dimension. We show that these systems, as well as others related to them, admit a peculiar diffeomorphism symmetry, where the transformation rule f... | ['1998-03-20'] |
8,914 | ['eng'] | ['Weinberg, Erick J', 'Yi, P'] | ['Explicit Multimonopole Solutions in SU(N) Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Higgs model', 'symmetry, spontaneously broken', 'field equations, monopole', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803164'] | ['We construct multimonopole solutions containing N-1 distinct fundamental monopoles in SU(N) gauge theory. When the gauge symmetry is spontaneously broken to U(1)^{N-1}, the monopoles are all massive, and we show that the fields can be written in terms of elementary function for all values of the monopole positions an... | ['1998-03-20'] |
8,915 | ['eng'] | ['Gibbons, G W', 'Papadopoulos, G J'] | ['Calibrations and Intersecting Branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'Born-Infeld model', 'energy', 'space-time, Kaehler', 'differential forms', 'group theory', 'soliton', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803163'] | ['We investigate the solutions of Nambu-Goto-type actions associated with calibrations. We determine the supersymmetry preserved by these solutions using the contact set of the calibration and examine their bulk interpretation as intersecting branes. We show that the supersymmetry preserved by such solutions is closely... | ['1998-03-20'] |
8,916 | ['eng'] | ['Abbaspur, R', 'Arfaei, H'] | ['Distributed systems of intersecting branes at arbitrary angles'] | ['Particle Physics - Theory'] | ['membrane model, interaction', 'supersymmetry', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803162'] | ["A reduced action formulation for simple derivation of the known as well as the new supergravity solutions corresponding to the `marginally' bound distributed systems of branes is proposed. It turns out that all the information regarding the classical solutions of such systems is derivable from a first order `reduced ... | ['1998-03-20'] |
8,917 | ['eng'] | ['Cherkis, S A', 'Kapustin, A A'] | ['Singular Monopoles and Gravitational Instantons'] | ['Particle Physics - Theory'] | ['gravitation, instanton', 'moduli space', 'magnetic monopole, singularity', 'symmetry, U(2)', 'twistor', 'potential, Kaehler', 'Bogomolnyi equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803160'] | ['We model A_k and D_k asymptotically locally flat gravitational instantons on the moduli spaces of solutions of U(2) Bogomolny equations with prescribed singularities. We study these moduli spaces using Ward correspondence and find their twistor description. This enables us to write down the Kähler potential for A_k a... | ['1998-03-20'] |
8,918 | ['eng'] | ['Tsou, S T'] | ['Symmetry and symmetry breaking in particle physics'] | ['Particle Physics - Theory'] | ['talk, Trieste 1997/12/12', 'particle physics', 'invariance, gauge', 'fibre bundle', 'gauge field theory, SU(3) x SU(2) x U(1)', 'duality', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803159'] | ["Symmetry, in particular gauge symmetry, is a fundamental principle in theoretical physics. It is intimately connected to the geometry of fibre bundles. A refinement to the gauge principle, known as ``spontaneous symmetry breaking'', leads to one of the most successful theories in modern particle physics. In this shor... | ['1998-03-20'] |
8,919 | ['eng'] | ['Christensen, M', 'Frolov, V P', 'Larsen, A L'] | ['Soap Bubbles in Outer Space'] | ['Particle Physics - Theory'] | ['space-time, Schwarzschild', 'membrane model', 'black hole', 'topology', 'domain wall, bubble', 'critical phenomena', 'wormhole', 'mass, scaling', 'boundary condition', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803158'] | ['We discuss the generalized Plateau problem in the 3+1 dimensional Schwarzschild background. This represents the physical situation, which could for instance have appeared in the early universe, where a cosmic membrane (thin domain wall) is located near a black hole. Considering stationary axially symmetric membranes,... | ['1998-03-20'] |
8,920 | ['eng'] | ['Blasone, M', 'Henning, P A', 'Vitiello, G'] | ["Green's function approach to fermion mixing"] | ['Particle Physics - Theory'] | ['fermion, interference', 'neutrino, oscillation', 'resonance, oscillation', 'vacuum state, nonperturbative', 'two-point function', 'coherent state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803157'] | ["We present the Green's function formalism for fermion mixing and as an application of practical interest we obtain the exact formula for neutrino oscillation which takes into account the non-perturbative structure of the vacuum for mixed neutrinos. The usual quantum mechanical Pontecorvo formula is recovered in the r... | ['1998-03-20'] |
8,921 | ['eng'] | ['Turok, Neil G', 'Hawking, Stephen William'] | ['Open Inflation, the Four Form and the Cosmological Constant'] | ['Particle Physics - Theory'] | ['inflationary universe, open', 'quantum gravity, action', 'field theory, Euclidean', 'astrophysics, fundamental constant', 'singularity', 'matter, density', 'potential', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803156'] | ["Fundamental theories of quantum gravity such as supergravity include a four form field strength which contributes to the cosmological constant. The inclusion of such a field into our theory of open inflation (hep-th/9802030) solves the problem of the most likely universe being too empty. It also allows an anthropic s... | ['1998-03-20'] |
8,922 | ['eng'] | ['Brandt, F T', 'Frenkel, J'] | ['The structure of the graviton self-energy at finite temperature'] | ['Particle Physics - Theory'] | ['propagator, graviton', 'propagator, renormalization', 'finite temperature', 'renormalization, pole', 'dependence, gauge', 'plasma, dispersion relations', 'Feynman graph', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803155'] | ['We study the graviton self-energy function in a general gauge, using a hard thermal loop expansion which includes terms proportional to T^4, T^2 and log(T). We verify explicitly the gauge independence of the leading T^4 term and obtain a compact expression for the sub-leading T^2 contribution. It is shown that the lo... | ['1998-03-20'] |
8,923 | ['eng'] | ['Chaichian, Masud', 'Chen, W F', 'Montonen, C'] | ['On the Low-Energy Effective Action of N=2 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'effective action', 'Wess-Zumino gauge', 'anomaly, U(1)', 'fermion, determinant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803154'] | ["We investigate the perturbative part of Seiberg's low-energy effective action of N=2 supersymmetric Yang-Mills theory in Wess-Zumino gauge in the conventional effective field theory technique. Using the method of constant field approximation and restricting the effective action with at most two derivatives and not mo... | ['1998-03-20'] |
8,924 | ['eng'] | ['Girotti, H O'] | ['Canonical Quantization of the Self-Dual Model coupled to Fermions'] | ['Particle Physics - Theory'] | ['duality', 'quantization', 'fermion, coupling', 'dimension, 3', 'invariance, relativistic', 'spin', 'fermion fermion, elastic scattering'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803153'] | ['This paper is dedicated to formulate the interaction picture dynamics of the self-dual field minimally coupled to fermions. To make this possible, we start by quantizing the free self-dual model by means of the Dirac bracket quantization procedure. We obtain, as result, that the free self-dual model is a relativistic... | ['1998-03-20'] |
8,925 | ['eng'] | ['Schmidhuber, C'] | ['Wrapped Branes and Confined Momentum'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 3', 'membrane model', 'soliton', 'field theory, scalar', 'gauge field theory', 'Kaluza-Klein model', 'Wilson loop', 'flux tube', 'string model', 'approximation, quasiclassical', 'momentum, confinement', 'vortex', 'charge, electric'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803152'] | ["We present string-like soliton solutions of three-dimensional gravity, coupled to a compact scalar field $x^{11}$ and Kaluza-Klein reduced on a circle. These solitons carry fractional magnetic flux with respect to the Kaluza-Klein gauge field. Summing over such ``Kaluza-Klein flux tubes'' is shown to imply summing ov... | ['1998-03-20'] |
8,926 | ['eng'] | ['Guo, H Y', 'Zhao Wan Yun'] | ['Quantization of Chern-Simons Coefficient'] | ['Particle Physics - Theory'] | ['charge, magnetic', 'charge, quantization', 'Chern-Simons term', 'quantum electrodynamics', 'dimension, 3', 'mass, topological', 'magnetic monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803151'] | ['The relation between the Dirac quantization condition of magnetic charge and the quantization of the Chern-Simons coefficient is obtained. It implies that in a (2+1)-dimensional QED with the Chern-Simons topological mass term and the existence of a magnetic monopole with magnetic charge $g$, the Chern-Simons coeffici... | ['1998-03-20'] |
8,927 | ['eng'] | ['Periwal, V'] | ['The topology of events'] | ['Particle Physics - Theory'] | ['matrix model', 'gauge field theory, Yang-Mills', 'coupling, matter', 'any-dimensional', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803150'] | ['A matrix model is constructed to compute characteristic numbers of the space of subsets of $R^d $ with $N$ elements. This matrix model is found to be a constrained null dimensional reduction to a point of a Yang-Mills theory with anticommuting matter in $d+2$ dimensions. The constraints and equations of motion are si... | ['1998-03-19'] |
8,928 | ['eng'] | ['Petkou, Anastasios C', 'Vlachos, N D'] | ['Finite-Size Effects and Operator Product Expansions in a CFT for d>2'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, O(N)', 'dimension, >2', 'effect, finite size', 'operator product expansion', 'propagator', 'tensor, energy-momentum', 'momentum, high', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803149'] | ['The large momentum expansion for the inverse propagator of the auxiliary field $\\lambda(x)$ in the conformally invariant O(N) vector model is calculated to leading order in 1/N, in a strip-like geometry with one finite dimension of length $L$ for $2<d<4$. Its leading terms are identified as contributions from previo... | ['1998-03-19'] |
8,929 | ['eng'] | ['Tong, D'] | ['Three-Dimensional Gauge Theories and ADE Monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'gauge field theory, SU(N)', 'supersymmetry', 'dimension, 3', 'moduli space, monopole', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803148'] | ['We study three-dimensional N=4 gauge theories with product gauge groups constructed from ADE Dynkin diagrams. One-loop corrections to the metric on the Coulomb branch are shown to coincide with the metric on the moduli space of well-seperated ADE monopoles. We propose that this correspondence is exact.'] | ['1998-03-19'] |
8,930 | ['eng'] | ['Testa, M'] | ['Some Observations on Broken Symmetries'] | ['Particle Physics - Theory'] | ['symmetry breaking', 'regularization', 'nonperturbative', 'operator, composite', 'Ward identity', 'anomaly, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803147'] | ['We present a general analysis of the field theoretical properties which guarantee the recovery, at the renormalized level, of symmetries broken by regularization. We also discuss the anomalous case.'] | ['1998-03-19'] |
8,931 | ['eng'] | ['Chaichian, Masud', 'Chen, W F', 'Kobayashi, T'] | ['Softly Broken N=1 Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['supersymmetry', 'gauge field theory, SU(N)', 'symmetry breaking', 'critical phenomena', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803146'] | ['We study softly broken N=1 supersymmetric QCD with the gauge group $SU(N_c)$ and $N_f$ flavours of quarks for $N_f > N_c+1$. We investigate the phase structure of its dual theory adding generic soft supersymmetry breking terms, i.e. soft scalar masses, trilinear coupling terms of scalar fields and gaugino masses. It ... | ['1998-03-19'] |
8,932 | ['eng'] | ['Berkovits, N', 'Vafa, C'] | ['Type IIB $R^{4}H^{4g-4}$ Conjectures'] | ['Particle Physics - Theory'] | ['string model', 'symmetry, SL(2,Z)', 'symmetry, SL(3,Z)', 'scattering amplitude', 'coupling', 'supersymmetry', 'string, pair production', 'effective action', 'nonperturbative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803145'] | ["We propose $SL(2,Z)$ (and $SL(3,Z)$) invariant conjectures for all $R^4 H^{4g-4}$ couplings of Type IIB strings on $R^{10}$ (and $R^{8}\\times T^2$), generalizing conjectures of Green and Gutperle (and Kiritsis and Pioline) for the $R^4$ coupling. A strong check for our conjectures is that on $T^2$ at weak coupling, ... | ['1998-03-19'] |
8,933 | ['eng'] | ['Körs, B', 'Schmidt, M G'] | ['The effective two-loop Euler-Heisenberg action for scalar and spinor QED in a general constant background field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, scalar', 'quantum electrodynamics, spinor', 'effective action', 'higher-order, 2', 'electromagnetic field, constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803144'] | ['Using the Worldline formalism of QED we compute the two-loop effective action induced by a charged scalar, respectively spinor particle in a general constant electromagnetic field.'] | ['1998-03-19'] |
8,934 | ['eng'] | ['Klein, M', 'Louis, J'] | ['Quantum modified moduli spaces and field dependent gauge couplings'] | ['Particle Physics - Theory'] | ['supergravity', 'moduli space, deformation', 'coupling, gauge', 'supersymmetry, symmetry breaking', 'potential, Kaehler', 'gauge field theory, SU(N)', 'glueball, superfield', 'symmetry, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803143'] | ['In this paper we discuss quantum modified moduli spaces in supergravity. We examine a model suggested by Izawa and Yanagida and by Intriligator and Thomas that breaks global supersymmetry by a quantum deformation of the classical moduli space. We determine the minimum of the supergravity potential when the gauge coup... | ['1998-03-18'] |
8,935 | ['eng'] | ['Mikhailov, A', 'Nekrasov, N A', 'Sethi, S K'] | ['Geometric Realizations of BPS States in N=2 Theories'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'F-theory', 'soliton', 'gauge field theory, SU(2)', 'string model', 'M-theory', 'selection rule'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803142'] | ['We study the BPS spectrum of the theory on a D3-brane probe in F theory. The BPS states are realized by multi-string configurations in spacetime. Only certain configurations obeying a selection rule give rise to BPS states in the four-dimensional probe theory. Using these string configurations, we determine the spect... | ['1998-03-18'] |
8,936 | ['eng'] | ['Kakushadze, Z', 'Shiu, G', 'Tye, S H Henry'] | ['Type IIB Orientifolds with NS-NS Antisymmetric Tensor Backgrounds'] | ['Particle Physics - Theory'] | ['supersymmetry', 'dimension, 6', 'orientifold', 'background, tensor', 'string model', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803141'] | ['We consider six dimensional N=1 space-time supersymmetric Type IIB orientifolds with non-zero untwisted NS-NS sector B-field. The B-field is quantized due to the requirement that the Type IIB spectrum be left-right symmetric. The presence of the B-field results in rank reduction of both 99 and 55 open string sector g... | ['1998-03-18'] |
8,937 | ['eng'] | ['Brodie, J'] | ['Fractional Branes, Confinement, and Dynamically Generated Superpotentials'] | ['Particle Physics - Theory'] | ['membrane model, fractional', 'confinement', 'gauge field theory', 'instanton, condensation', 'supersymmetry', 'field theory, tensor', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803140'] | ['We examine the effects of instantons in four dimensional N=1 supersymmetric gauge theory by including D0-branes in type IIA brane constructions. We examine instanton generated superpotentials in supersymmetric QCD and find that they are due to a repulsive force between D4-branes bound to D0-branes ending on NS 5-bran... | ['1998-03-18'] |
8,938 | ['eng'] | ['Grinstein, B', 'Nolte, D R'] | ['Systematic Study of Theories with Quantum Modified Moduli, 2'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'fermion, flavor', 'renormalization group, transformation', 'anomaly', 'moduli space', 'symmetry breaking', 'group theory, exceptional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803139'] | ['We complete the process of classifying all supersymmetric theories with quantum modified moduli. We present all the supersymmetric gauge theories based on a simple orthogonal or exceptional group that exhibit a quantum modified moduli space. The quantum modified constraints of theories derived from s-confining theori... | ['1998-03-18'] |
8,939 | ['eng'] | ['Günaydin, M'] | ['Unitary Supermultiplets of OSp(1/32,R) and M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'group theory, OSp(1/32,R)', 'supersymmetry', 'group theory, representation', 'group theory, Poincare', 'dimension, 10', 'dimension, 11', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803138'] | ['We review the oscillator construction of the unitary representations of noncompact groups and supergroups and study the unitary supermultiplets of OSp(1/32,R) in relation to M-theory. OSp(1/32,R) has a singleton supermultiplet consisting of a scalar and a spinor field. Parity invariance leads us to consider OSp(1/32,... | ['1998-03-18'] |
8,940 | ['eng'] | ['Brandhuber, A', 'Itzhaki, N', 'Sonnenschein, J', 'Yankielowicz, S'] | ['Wilson Loops in the Large N Limit at Finite Temperature'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, U(N)', 'supersymmetry', 'expansion 1/N', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'Wilson loop', 'finite temperature', 'bound state', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803137'] | ['Using a proposal of Maldacena we compute in the framework of the supergravity description of N coincident D3 branes the energy of a quark anti-quark pair in the large N limit of U(N) N=4 SYM in four dimensions at finite temperature.'] | ['1998-03-18'] |
8,941 | ['eng'] | ['De Martino, A', 'Moriconi, M'] | ['Tricritical Ising Model with a Boundary'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'supersymmetry', 'boundary condition', 'S-matrix', 'unitarity', 'crossing'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803136'] | ['We study the integrable and supersymmetric massive $\\hat\\phi_{(1,3)}$ deformation of the tricritical Ising model in the presence of a boundary. We use constraints from supersymmetry in order to compute the exact boundary $S$-matrices, which turn out to depend explicitly on the topological charge of the supersymmetr... | ['1998-03-18'] |
8,942 | ['eng'] | ['Rey, S J', 'Theisen, Stefan J', 'Yee, J T'] | ['Wilson-Polyakov Loop at Finite Temperature in Large N Gauge Theory and Anti-de Sitter Supergravity'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'field theory, conformal', 'finite temperature', 'expansion 1/N', 'expansion, strong coupling', 'supergravity', 'space-time, anti-de Sitter', 'Wilson loop', 'Polyakov loop', 'quark antiquark, potential', 'space-time, horizon', 'membrane model, D-brane', 'Born-Infeld model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803135'] | ['Aspects of d=4, N=4 superconformal U(N) gauge theory are studied at finite temperature. Utilizing the dual descriptions of the large N and strong coupling limit via Type IIB string theory compactification on Schwarzschild anti-de Sitter spacetime, we study correlations of Wilson-Polyakov loops and the static quark an... | ['1998-03-18'] |
8,943 | ['eng'] | ['Guendelman, E I', 'Kaganovich, A B'] | ['Gauge Unified Theories without the Cosmological Constant Problem'] | ['Particle Physics - Theory'] | ['unified field theory', 'gauge field theory, condensation', 'gravitation', 'effective potential', 'vacuum state, energy', 'fermion, mass', 'mass, hierarchy', 'field theory, scalar', 'symmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803134'] | ['We study gauge theories in the context of a gravitational theory without the cosmological constant problem (CCP). The theory is based on the requirement that the measure of integration in the action is not necessarily $\\sqrt{-g}$ but it is determined dynamically through additional degrees of freedom. Realization of ... | ['1998-03-18'] |
8,944 | ['eng'] | ['Kondo, K I'] | ['Existence of Confinement Phase in Quantum Electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 4', 'field theory, topological', 'field theory, deformation', 'critical phenomena, confinement', 'sigma model, nonlinear', 'symmetry, O(2)', 'vortex, condensation', 'Wilson loop', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803133'] | ['We show that the four-dimensional U(1) gauge theory in the continuum formulation has a confining phase (exhibiting area law of the Wilson loop) in the strong coupling region above a critical coupling $g_c$. This result is obtained by taking into account topological non-trivial sectors in gauge theory. The derivation ... | ['1998-03-18'] |
8,945 | ['eng'] | ['Cohen, Andrew G', 'Kaplan, D B', 'Nelson, A E'] | ['Effective Field Theory, Black Holes, and the Cosmological Constant'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'effective action', 'renormalization', 'infrared problem', 'vacuum state, energy', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803132'] | ["Bekenstein's proposal that the maximum entropy in a box scales like the area rather than the volume suggests a radical breakdown of quantum field theory in large volume. Given the success of quantum field theory for describing particle physics, we speculate on the relationship between UV and IR cutoffs for which an e... | ['1998-03-17'] |
8,946 | ['eng'] | ['Witten, Edward'] | ['Anti-de Sitter Space, Thermal Phase Transition, And Confinement in Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'symmetry, spontaneously broken', 'black hole, Schwarzschild', 'field theory, conformal', 'finite temperature', 'thermodynamics', 'space-time, anti-de Sitter', 'critical phenomena', 'field theory, conformal', 'black hole, entropy', 'confinement', 'mass, gap', 'expansi... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803131'] | ["The correspondence between supergravity (and string theory) on $AdS$ space and boundary conformal field theory relates the thermodynamics of ${\\cal N}=4$ super Yang-Mills theory in four dimensions to the thermodynamics of Schwarzschild black holes in Anti-de Sitter space. In this description, quantum phenomena such ... | ['1998-03-17'] |
8,947 | ['eng'] | ['Grundberg, J', 'Wirstam, J'] | ['Nonperturbative SUSY Correlators at Finite Temperature'] | ['Particle Physics - Theory'] | ['supersymmetry', 'sigma model, nonlinear', 'symmetry, O(3)', 'dimension, 2', 'correlation function', 'finite temperature', 'symmetry breaking, chiral', 'expansion, quasiclassical', 'instanton', 'determinant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803130'] | ['We calculate finite temperature effects on a correlation function in the two dimensional supersymmetric nonlinear O(3) sigma model. The correlation function violates chiral symmetry and at zero temperature it has been shown to be a constant, which gives rise to a double-valued condensate. Within the bilinear approxim... | ['1998-03-17'] |
8,948 | ['eng'] | ['Ruelle, P', 'Verhoeven, O'] | ['Discrete symmetries of unitary minimal conformal theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, minimal', 'dimension, 2', 'algebra, chiral', 'symmetry, discrete', 'partition function', 'invariance, modular', 'group theory, Galois'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803129'] | ['We classify the possible discrete (finite) symmetries of two--dimensional critical models described by unitary minimal conformally invariant theories. We find that all but six models have the group Z_2 as maximal symmetry. Among the six exceptional theories, four have no symmetry at all, while the other two are the f... | ['1998-03-17'] |
8,949 | ['eng'] | ['Longhi, G', 'Materassi, M'] | ['A canonical realization of the BMS algebra'] | ['Particle Physics - Theory'] | ['algebra, Bondi-Metzner-Sachs', 'Klein-Gordon equation', 'group theory, Poincare', 'group theory, representation', 'conservation law', 'operator, Laplace-Beltrami', 'algebra, Poisson'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803128'] | ['A canonical realization of the BMS (Bondi-Metzner-Sachs) algebra is given on the phase space of the classical real Klein-Gordon field . By assuming the finiteness of the generators of the Poincaré group, it is shown that a countable set of conserved quantities exists (supertranslations); this set transforms under a p... | ['1998-03-17'] |
8,950 | ['eng'] | ['Hashimoto, K', 'Hata, H', 'Sasakura, N'] | ['3-String Junction and BPS Saturated Solutions in SU(3) Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'supersymmetry', 'charge, electric', 'charge, magnetic', 'string model', 'Bogomolnyi equation, solution', 'asymptotic behavior', 'symmetry, rotational'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803127'] | ['We construct BPS saturated regular configurations of N=4 SU(3) supersymmetric Yang-Mills theory carrying non-parallel electric and magnetic charges. These field theory BPS states correspond to the string theory BPS states of 3-string junctions connecting three different D3-branes by regarding the N=4 supersymmetric Y... | ['1998-03-17'] |
8,951 | ['eng'] | ['Ito, K', 'Yang, S K'] | ['The WDVV Equations in N=2 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 4', 'prepotential', 'Landau-Ginzburg model', 'field theory, topological', 'dimension, 2', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803126'] | ['We present simple proof of the WDVV equations for the prepotential of four-dimensional N=2 supersymmetric Yang-Mills theory with all ADE gauge groups. According to our proof it is clearly seen that the WDVV equations in four dimensions have their origin in the associativity of the chiral ring in two-dimensional topol... | ['1998-03-17'] |
8,952 | ['eng'] | ['Balachandran, A P', 'Vaidya, S'] | ['Skyrmions, Spectral Flow and Parity Doubles'] | ['Particle Physics - Theory'] | ['Skyrmion, spin', 'baryon number', 'index theorem', 'nucleus, energy spectrum', 'parity, doublet', 'quark', 'symmetry, SU(2)', 'zero mode', 'Dirac equation', 'instanton', 'Born-Oppenheimer approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803125'] | ['It is well-known that the winding number of the Skyrmion can be identified as the baryon number. We show in this paper that this result can also be established using the Atiyah-Singer index theorem and spectral flow arguments. We argue that this proof suggests that there are light quarks moving in the field of the Sk... | ['1998-03-17'] |
8,953 | ['eng'] | ['Hull, C M'] | ['Decoupling Limits in M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'decoupling', 'membrane model', 'gauge field theory, Yang-Mills', 'supersymmetry', 'space-time', 'bound state, energy', 'expansion 1/N', 'supergravity', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803124'] | ["Limits of a system of $N$ D$n$-branes in which the bulk and string degrees of freedom decouple to leave a `matter' theory are investigated and, for $n>4$, either give a free theory or require taking $N\\to \\infty $. The decoupled matter theory is described at low energies by the $N\\to \\infty $ limit of $n+1$ dimen... | ['1998-03-17'] |
8,954 | ['eng'] | ['Yokono, T'] | ['Orientifold 4-plane in brane configurations and $N=4 USp(2N_{c})$ and $SO(2N_{c})$ theory'] | ['Particle Physics - Theory'] | ['gauge field theory, USp(N)', 'gauge field theory, SO(N)', 'orientifold', 'membrane model', 'expansion', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803123'] | ['We consider brane configurations in elliptic models which represent softly broken N=4 USp(2 N_c) and SO(2 N_c) theory. We generalize the notion of the O4 plane, so that it is compatible with the symmetry in the covering space of the elliptic models. By using this notion of the O4 plane, we find the curve for softly b... | ['1998-03-17'] |
8,955 | ['eng'] | ['Gomes, J F', 'Sotkov, G M', 'Zimerman, A H'] | ['$SU(2,R)_q $ Symmetries of Non-Abelian Toda Theories'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'nonabelian', 'field theory, conformal', 'quantum algebra, SL(2,R)', 'charge, chiral', 'current, nonlocal', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803122'] | ['The classical and quantum algebras of a class of conformal NA-Toda models are studied. It is shown that the $SL(2,R)_q$ Poisson brackets algebra generated by certain chiral and antichiral charges of the nonlocal currents and the global U(1) charge appears as an algebra of the symmetries of these models.'] | ['1998-03-17'] |
8,956 | ['eng'] | ['Wu, Z C'] | ['Creation of Closed or Open Universe from Constrained Instanton'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'gravitation, instanton', 'bubble, production', 'tunneling', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803121'] | ["In the no-boundary univers e the universe is created from an instanton. However, there does not exist any instanton for the ``realistic'' $FRW$ universe with a scalar field. The ``instanton'' leading to its quantum creation may be modified and reinterpreted as a constrained gravitational instanton."] | ['1998-03-17'] |
8,957 | ['eng'] | ['Chaudhuri, S', 'Minic, D'] | ['On the Hagedorn Transition and Collective Dynamics of D0-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'critical phenomena', 'black hole, Schwarzschild', 'thermodynamics', 'scaling', 'mean field approximation', 'random walk', 'collective phenomena', 'dimension, <6', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803120'] | ['Banks, Fischler, Klebanov and Susskind have proposed a model for black hole thermodynamics based on the principle that the entropy is of order the number of particles at the phase transition point in a Boltzmann gas of D0-branes. We show that the deviations from Boltzmann scaling found in d<6 noncompact spatial dimen... | ['1998-03-16'] |
8,958 | ['eng'] | ['Gomis, J P'] | ['Anti de Sitter Geometry and Strongly Coupled Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, strong coupling', 'supergravity', 'duality', 'renormalization group, fixed point', 'dimension, 3', 'space-time, anti-de Sitter', 'space-time, symmetry', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803119'] | ['We propose supergravity duals to non-trivial fixed points of the renormalization group in three dimensions with ADE global symmetries. All the fixed point symmetries are identified with space-time symmetries.'] | ['1998-03-16'] |
8,959 | ['eng'] | ['Doikou, A', 'Nepomechie, R I'] | ['Bulk and Boundary S Matrices for the SU(N) Chain'] | ['Particle Physics - Theory'] | ['ferromagnet', 'symmetry, SU(N)', 'S-matrix', 'Bethe ansatz', 'transfer matrix', 'quantum number', 'string', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803118'] | ["We consider both closed and open integrable antiferromagnetic chains constructed with the SU(N)-invariant R matrix. For the closed chain, we extend the analyses of Sutherland and Kulish-Reshetikhin by considering also complex ``string'' solutions of the Bethe Ansatz equations. Such solutions are essential to describe... | ['1998-03-16'] |
8,960 | ['eng'] | ['Krauth, W', 'Nicolai, Hermann C', 'Staudacher, M'] | ['Monte Carlo Approach to M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'supersymmetry', 'gauge field theory, SU(2)', 'gauge field theory, SU(3)', 'dimensional reduction', 'dimension, 0', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803117'] | ['We discuss supersymmetric Yang-Mills theory dimensionally reduced to zero dimensions and evaluate the SU(2) and SU(3) partition functions by Monte Carlo methods. The exactly known SU(2) results are reproduced to very high precision. Our calculations for SU(3) agree closely with an extension of a conjecture due to Gre... | ['1998-03-16'] |
8,961 | ['eng'] | ['Stelle, Kellogg S'] | ['BPS Branes in Supergravity'] | ['Particle Physics - Theory'] | ['lectures, Trieste 1996/06/10', 'lectures, Trieste 1997/06/02', 'supergravity', 'membrane model, p-brane', 'dimension, 11', 'charge, density', 'mass, density', 'supersymmetry', 'Kaluza-Klein model', 'dimensional reduction', 'duality', 'charge, quantization', 'sigma model, noncompact', 'geometry', 'instanton', 'bibliog... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803116'] | ["This review considers the properties of classical solutions to supergravity theories with partially unbroken supersymmetry. These solutions saturate Bogomol'ny-Prasad-Sommerfield bounds on their energy densities and are the carriers of the $p$-form charges that appear in the supersymmetry algebra. The simplest such s... | ['1998-03-16'] |
8,962 | ['eng'] | ['Lee, D J'] | ['Effect of retardation on dynamical mass generation in two-dimensional QED at finite temperature'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 2', 'finite temperature', 'fermion, mass generation', 'expansion 1/N, flavor', 'polarization, tensor', 'Dyson-Schwinger equation', 'infrared problem', 'critical phenomena', 'photon, propagator', 'mass, gap', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803115'] | ['The effect of retardation on dynamical mass generation in is studied, in the imaginary time formalism. The photon porarization tensor is evaluated to leading order in 1/N (N is the number of flavours), and simple closed form expressions are found for the fully retarded longitudinal and transverse propagators, which h... | ['1998-03-16'] |
8,963 | ['eng'] | ['Rasmussen, J'] | ['Two-point Functions in Affine SL(N) Current Algebra'] | ['Particle Physics - Theory'] | ['current algebra, SL(N)', 'current algebra, affine', 'two-point function', 'field theory, conformal', 'operator, differential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803114'] | ['In this letter the explicit form of general two-point functions in affine SL(N) current algebra is provided for all representations, integrable or non-integrable. The weight of the conjugate field to a primary field of arbitrary weight is immediately read off.'] | ['1998-03-16'] |
8,964 | ['eng'] | ['Booth, M J'] | ['HeatK'] | ['Particle Physics - Theory'] | ['heat kernel', 'programming'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803113'] | ['Heat kernel coefficients encode the short distance behavior of propagators in the presence of background fields, and are thus useful in quantum field theory. We present a Mathematica program for computing these coefficients and their derivatives, based on an algorithm by Avramidi\\cite{Avramidi:npb91}. See http://fer... | ['1998-03-16'] |
8,965 | ['eng'] | ['Cherkis, S A', 'Kapustin, A A'] | ['$D_{k}$ Gravitational Instantons and Nahm Equations'] | ['Particle Physics - Theory'] | ['string model', 'gravitation, instanton', 'moduli space', 'Nahm equation, solution', 'twistor, space', 'potential, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803112', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We construct D_k asymptotically locally flat gravitational instantons as moduli spaces of solutions of Nahm equations. This allows us to find their twistor spaces and Kahler potentials.'] | ['1998-03-16'] |
8,966 | ['eng'] | ['Minahan, J A'] | ['Quark-Monopole Potentials in Large N Super Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N) x U(1)', 'supersymmetry', 'expansion 1/N', 'quark antiquark, potential', 'magnetic monopole', 'potential, quark monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803111'] | ['We compute the quark-monopole potential for ${\\cal N}=4$ super Yang-Mills in the large $N$ limit. We find an attractive potential that falls off as 1/L and is manifestly invariant under $g\\to 1/g$. The strength of the potential is less than the quark-antiquark and monopole-antimonopole potentials.'] | ['1998-03-16'] |
8,967 | ['eng'] | ['Morosov, A V'] | ['Classical Decay of the Non-SUSY-Preserving Configuration of Two D-Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'D-brane, annihilation', 'tachyon', 'stability', 'decay modes', 'string model', 'spontaneous compactification, torus'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803110'] | ['We have studied a problem of the tachyon mediated D-brane - D-brane annihilation from the underlying world-volume gauge field theory point of view. The initial state was chosen in the form of two D-branes crossing at a non-zero angle, which is non-supersymmetric configuration generically. This state was not a grounds... | ['1998-03-13'] |
8,968 | ['eng'] | ['Ferrara, Sergio', 'Kehagias, A A', 'Partouche, H', 'Zaffaroni, A'] | ['Membranes and Fivebranes with Lower Supersymmetry and their AdS Supergravity Duals'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'dimension, 3', 'dimension, 6', 'charge', 'supergravity', 'duality', 'space-time, anti-de Sitter', 'dimension, 4', 'dimension, 7', 'membrane model', 'orbifold', 'M-theory', 'gauge field theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803109'] | ['We consider superconformal field theories in three and six dimensions with eight supercharges which can be realized on the world-volume of M-theory branes sitting at orbifold singularities. We find that they should admit a N=4 and N=2 supergravity dual in AdS_4 and AdS_7, respectively. We discuss the characteristics ... | ['1998-03-13'] |
8,969 | ['eng'] | ['Poppitz, E R', 'Trivedi, S P'] | ['Dynamical Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['review', 'supersymmetry, dynamically broken', 'duality', 'gauge field theory', 'quantum mechanics', 'effective Lagrangian', 'Witten index', 'fermion, Goldstone particle', 'instanton', 'gaugino, condensation', 'model, messenger', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803107'] | ['Dynamical supersymmetry breaking is a fascinating theoretical problem. It is also of phenomenological significance. A better understanding of this phenomenon can help in model building, which in turn is useful in guiding the search for supersymmetry. In this article, we review the recent developments in the field. We... | ['1998-03-13'] |
8,970 | ['eng'] | ['Deser, Stanley D', 'Henneaux, M', 'Schwimmer, A'] | ['p-brane Dyons, $\\Theta$-terms and Dimensional Reduction'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'dyon', 'Theta parameter', 'dimensional reduction', 'charge, quantization', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803106'] | ['We present two novel derivations of the recently established $(-)^p$ factor in the charge quantization condition for $p$-brane dyon sources in spacetime dimension $D$=$2p$+2. The first relies on the charge shift produced by (generalized) $\\theta$-terms. The second obtains this dimensional-dependent "spin flip" by co... | ['1998-03-13'] |
8,971 | ['eng'] | ['Feverati, G', 'Ravanini, F', 'Takács, G'] | ['Truncated Conformal Space at c=1, Nonlinear Integral Equation and Quantization Rules for Multi-Soliton States'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'central charge, 1', 'integral equations, nonlinear', 'lattice field theory', 'regularization, light cone', 'quantization', 'soliton', 'energy levels', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803104'] | ['We develop Truncated Conformal Space (TCS) technique for perturbations of c=1 Conformal Field Theories. We use it to give the first numerical evidence of the validity of the non-linear integral equation (NLIE) derived from light-cone lattice regularization at intermediate scales. A controversy on the quantization of ... | ['1998-03-13'] |
8,972 | ['eng'] | ['Itzhaki, N', 'Tseytlin, Arkady A', 'Yankielowicz, S'] | ['Supergravity Solutions for Branes Localized Within Branes'] | ['Particle Physics - Theory'] | ['membrane model', 'supergravity', 'string model', 'M-theory', 'duality', 'Kaluza-Klein model', 'dimension, 10', 'dimension, 11'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803103'] | ["We construct supergravity solutions describing branes (D2-brane or NS 5-brane or a wave) localized within D6-brane in the region close to the core of the D6-brane. Other similar string-theory and M-theory `near-core' localized solutions can be found by applying U-duality and/or lifting D=10 solutions to D=11. In part... | ['1998-03-13'] |
8,973 | ['eng'] | ['Matveev, V A', 'Pivovarov, G B'] | ['New Algebra of Local Symmetries for Regge Limit of Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'effective action', 'soliton', 'renormalization', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803102'] | ['Local effective action is derived to describe Regge asymptotic of Yang-Mills theories. Local symmetries of the effective action originating from the gauge symmetry of the underlying Yang-Mills theory are studied. Multicomponent effective action is introduced to express the symmetry transformations as field transforma... | ['1998-03-13'] |
8,974 | ['eng'] | ['Chruscinski, D'] | ['Canonical formalism for the Born-Infeld particle'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'field equations, nonlinear', 'Lagrangian formalism', 'Hamiltonian formalism', 'electromagnetic interaction', 'charged particle', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803100'] | ['In the previous paper (hep-th/9712161) it was shown that the nonlinear Born-Infeld field equations supplemented by the "dynamical condition" (certain boundary condition for the field along the particle\'s trajectory) define perfectly deterministic theory, i.e. particle\'s trajectory is determined without any equation... | ['1998-03-13'] |
8,975 | ['eng'] | ['Weinberg, S'] | ['Non-Renormalization Theorems in Non-Renormalizable Theories'] | ['Particle Physics - Theory'] | ['supersymmetry', 'renormalization', 'gauge field theory', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803099'] | ['A perturbative non-renormalization theorem is presented that applies to general supersymmetric theories, including non-renormalizable theories in which the $\\int d^2\\theta$ integrand is an arbitrary gauge-invariant function $F(\\Phi,W)$ of the chiral superfields $\\Phi$ and gauge field-strength superfields $W$, and... | ['1998-03-13'] |
8,976 | ['eng'] | ['Jaramillo, D E', 'Muñoz, J H', 'Zepeda, A'] | ['The Faddeev-Popov term reviewed'] | ['Particle Physics - Theory'] | ['gauge field theory, nonabelian', 'quantization', 'path integral', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803098'] | ['Some textbooks and reports claim that the Jacobian which arises in the discussion of the Faddeev-Popov method to quantize non-Abelian gauge theories and which is given by the derivative of the gauge fixing conditions over the gauge group parameters, is gauge invariant. Other references however prove the opposite. In ... | ['1998-03-13'] |
8,977 | ['eng'] | ['Callan, C G', 'Thorlacius, L'] | ['Worldsheet Dynamics of String Junctions'] | ['Particle Physics - Theory'] | ['string model', 'S-matrix', 'supersymmetry', 'charge, conservation law', 'string, lattice', 'excited state', 'infrared problem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803097'] | ['We analyze scattering of string modes at string junctions of type IIB string theory. In the infrared limit, certain orthogonal linear combinations of the fields on the different strings satisfy either Dirichlet or Neumann boundary conditions. We confirm that the worldsheet theory of a general string network has eight... | ['1998-03-12'] |
8,978 | ['eng'] | ['Bertolini, M', 'Fré, P', 'Iengo, R', 'Scrucca, Claudio A'] | ['Black holes as D3-branes on Calabi-Yau threefolds'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, Calabi-Yau', 'string model', 'membrane model, D-brane', 'dyon', 'supergravity', 'orbifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803096'] | ['We show how an extremal Reissner-Nordstrom black hole can be obtained by wrapping a dyonic D3-brane on a Calabi-Yau manifold. In the orbifold limit T^6/Z_3, we explicitly show the correspondence between the solution of the supergravity equations of motion and the D-brane boundary state description of such a black hol... | ['1998-03-12'] |
8,979 | ['eng'] | ['Zoupanos, George'] | ['N=1 Finite Unified Theories'] | ['Particle Physics - Theory'] | ['talk, Buckow 1997/09/02', 'unified field theory, finite', 'supersymmetry, symmetry breaking', 'duality', 'gauge field theory, SU(5)', 'gauge field theory, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803095'] | ['N = 1, all-loop Finite Unified Theories (FUTs) are very interesting not only since they realize an old theoretical dream, but also due the remarkable predictive power of particular models as well as for providing candidates that might shed light in non-perturbative Physics. Here we discuss (a) the recent developments... | ['1998-03-12'] |
8,980 | ['eng'] | ['Dowker, John S', 'Kirsten, K'] | ['Smeared heat-kernel coefficients on the ball and generalized cone'] | ['Particle Physics - Theory'] | ['heat kernel', 'zeta function', 'boundary condition', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803094'] | ['We consider smeared zeta functions and heat-kernel coefficients on the bounded, generalized cone in arbitrary dimensions. The specific case of a ball is analysed in detail and used to restrict the form of the heat-kernel coefficients $A_n$ on smooth manifolds with boundary. Supplemented by conformal transformation te... | ['1998-03-12'] |
8,981 | ['eng'] | ['Davis, S'] | ['Summability of Superstring Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'moduli space, parametrization', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803093'] | ['Several arguments are given for the summability of the superstring perturbation series. Whereas the Schottky group coordinatization of moduli space may be used to provide refined estimates of large-order bosonic string amplitudes, the super-Schottky group variables define a measure for the supermoduli space integral ... | ['1998-03-12'] |
8,982 | ['eng'] | ['Mavromatos, Nikolaos E', 'Szabo, R J'] | ['Gradient Flow in Logarithmic Conformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'renormalization, beta function', 'string model', 'membrane model, D-brane', 'tensor, energy-momentum', 'correlation function', 'renormalization group, c-function', 'sigma model', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803092'] | ['We establish conditions under which the worldsheet beta-functions of logarithmic conformal field theories can be derived as the gradient of some scalar function on the moduli space of running coupling constants. We derive a renormalization group invariant version of this function and relate it to the usual Zamolodchi... | ['1998-03-12'] |
8,983 | ['eng'] | ['Broadhurst, D J'] | ['Massive 3-loop Feynman diagrams reducible to $SC^{*}$ primitives of algebras of the sixth root of unity'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'higher-order, 3', 'massive', 'quantum chromodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803091'] | ["In each of the 10 cases with propagators of unit or zero mass, the finite part of the scalar 3-loop tetrahedral vacuum diagram is reduced to 4-letter words in the 7-letter alphabet of the 1-forms $\\Omega:=dz/z$ and $\\omega_p:=dz/ yield only $\\zeta(Ømega^3ømega_0)=1/90\\pi^4$. In two cases $\\pi^4$ combines with th... | ['1998-03-12'] |
8,984 | ['eng'] | ['Bergshoeff, E A', 'Behrndt, K'] | ['D-Instantons and asymptotic geometries'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'instanton', 'expansion 1/N', 'field theory, conformal', 'duality', 'gravitational radiation', 'transformation, SL(2,R)', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803090'] | ['The large N limit of D3-branes is expected to correspond to a superconformal field theory living on the boundary of the anti-de Sitter space appearing in the near-horizon geometry. Dualizing the D3-brane to a D-instanton, we show that this limit is equivalent to a type IIB S-duality. In both cases one effectively rea... | ['1998-03-12'] |
8,985 | ['eng'] | ['Widyan, H', 'Mukherjee, A', 'Panchapakesan, N', 'Saxena, R P'] | ['Bubble formation in $\\phi^{4}$ theory in the thin-wall limit and beyond'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature, high', 'temperature, 0', 'symmetry breaking', 'bubble, production', 'symmetry, O(3)', 'symmetry, O(4)', 'tunneling', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803089'] | ['Scalar field theory with an asymmetric potential is studied at zero temperature and high-temperature for phi^4 theory with both phi and phi^3 symmetry breaking. The equations of motion are solved numerically to obtain O(4) symmetric and O(3) cylindrical symmetric bounce solutions. These solutions control the rates fo... | ['1998-03-12'] |
8,986 | ['eng'] | ['Krogh, M'] | ['Heterotic Matrix theory with Wilson lines on the lightlike circle'] | ['Particle Physics - Theory'] | ['matrix model', 'string model', 'gauge field theory, SO(32)', 'Wilson loop', 'duality', 'symmetry, O(N)', 'dimension, 10', 'model, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803088'] | ['We develop a matrix model for the SO(32) Heterotic string with certain Wilson lines on the lightlike circle. This is done by using appropriate T-dualities. The method works for an infinite number of Wilson lines, but not for all. The matrix model is the theory on the D-string of type I wrapped on a circle with a SO(3... | ['1998-03-12'] |
8,987 | ['eng'] | ['Dotti, G', 'Manohar, A V', 'Skiba, W'] | ['Supersymmetric gauge theories with a free algebra of invariants'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, SO(N)', 'supersymmetry', 'potential', 'moduli space', 'algebra', 'anomaly', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803087'] | ['We study the low-energy dynamics of all N=1 supersymmetric gauge theories whose basic gauge invariant fields are unconstrained. This set includes all theories whose matter Dynkin index is less than the index of the adjoint representation. We study the dynamically generated superpotential in these theories, and show t... | ['1998-03-12'] |
8,988 | ['eng'] | ['Hanany, A', 'Strassler, M J', 'Uranga, A M'] | ['Finite Theories and Marginal Operators on the Brane'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, p-brane', 'p-brane, 5', 'field theory, finite', 'renormalization, beta function', 'duality, transformation', 'invariance, SL(2,Z)', 'operator, marginal', 'gauge field theory, SU(N)', 'coupling constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803086'] | ['We show how to use D and NS fivebranes in Type IIB superstring theory to construct large classes of finite N=1 supersymmetric four dimensional field theories. In this construction, the beta functions of the theories are directly related to the bending of branes; in finite theories the branes are not bent, and vice ve... | ['1998-03-12'] |
8,989 | ['eng'] | ['Horowitz, Gary T', 'Ross, S F'] | ['Possible Resolution of Black Hole Singularities from Large N Gauge Theory'] | ['Particle Physics - Theory'] | ['black hole, singularity', 'gauge field theory', 'expansion 1/N', 'string model', 'space-time, anti-de Sitter', 'membrane model, D-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803085'] | ['We point out that the recent conjecture relating large N gauge theories to string theory in anti-de Sitter spaces offers a resolution in principle of many problems in black hole physics. This is because the gauge theory also describes spacetimes which are not anti-de Sitter, and include black hole horizons and curvat... | ['1998-03-11'] |
8,990 | ['eng'] | ['Vilenkin, A'] | ['Singular instantons and creation of open universes'] | ['Particle Physics - Theory'] | ['inflationary universe, open', 'bubble, production', 'singularity, instanton', 'field theory, scalar', 'massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803084'] | ['Singular instantons of the type introduced by Hawking and Turok lead to unacceptable physical consequences and cannot, therefore, be used to describe the creation of open universes.'] | ['1998-03-11'] |
8,991 | ['eng'] | ['Iofa, M Z', 'Pando-Zayas, L A'] | ['Statistical Entropy of Magnetic Black Holes from Near-Horizon Geometry'] | ['Particle Physics - Theory'] | ['black hole, magnetic', 'entropy, statistical', 'geometry, horizon', 'supergravity, dilaton', 'gauge field theory, abelian', 'dimension, 4', 'Einstein-Maxwell equation', 'dimension, 5', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803083'] | ['Four-dimensional magnetic black holes icluding dilaton and abelian gauge fields which are solutions of supergravity can also be obtained by dimensional reduction of the Einstein-Maxwell gravity in five dimensions. In the extremal case the five-dimensional solutions have horizon and its near-horizon geometry is $AdS_3... | ['1998-03-11'] |
8,992 | ['eng'] | ['Rajaraman, A'] | ['Two-Form Fields and the Gauge Theory Description of Black Holes'] | ['Particle Physics - Theory'] | ['black hole', 'membrane model', 'perturbation theory', 'partial wave', 'cross section, absorption', 'radiation, Hawking', 'gauge field theory', 'operator, higher-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803082'] | ['We calculate the absorption cross section on a black threebrane of two-form perturbations polarized along the brane. The equations are coupled and we decouple them for s-wave perturbations. The Hawking rate is suppressed at low energies, and this is shown to be reflected in the gauge theory by a coupling to a higher ... | ['1998-03-11'] |
8,993 | ['eng'] | ['Kim, W T', 'Yoon, M S'] | ['Initial singularity free quantum cosmology in two-dimensional Brans-Dicke theory'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'space-time, singularity', 'Brans-Dicke model', 'dimension, 2', 'back reaction', 'gravitation, coupling', 'inflationary universe'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803081'] | ['We consider two-dimensional Brans-Dicke theory to study the initial singularity problem. It turns out that the initial curvature singularity can be finite for a certain Brans-Dicke constant $\\omega$ by considering the quantum back reaction of the geometry. For $\\omega=1$, the universe starts with the finite curvatu... | ['1998-03-11'] |
8,994 | ['eng'] | ['Lee, H W', 'Kim, N J', 'Myung, Y S'] | ['Dynamical Behavior of the BTZ Black Hole'] | ['Particle Physics - Theory'] | ['black hole, width', 'effective action', 'string model', 'perturbation theory', 'dilaton', 'fermion, radiation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803080'] | ['We study the dynamical behavior of the BTZ(Banados-Teitelboim-Zanelli) black hole with the low-energy string effective action. The perturbation analysis around the BTZ black hole reveals a mixing between the dilaton and other fields. Introducing the new gauge(dilaton gauge), we disentangle this mixing completely and ... | ['1998-03-11'] |
8,995 | ['eng'] | ['Manzoni, L A', 'Pimentel, B M', 'Tomazelli, J L'] | ['Causal Theory for the Gauged Thirring Model'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'dimension, 3', 'flavor, 1', 'causality', 'gauge boson, mass generation', 'Chern-Simons term', 'vacuum polarization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803079'] | ['We consider the (2+1)-dimensional massive Thirring model as a gauge theory, with one fermion flavor, in the framework of the causal perturbation theory and address the problem of dynamical mass generation for the gauge boson. In this context we get an unambiguous expression for the coefficient of the induced Chern-Si... | ['1998-03-11'] |
8,996 | ['eng'] | ['Das, S R', 'Mathur, S D', 'Ramadevi, P'] | ['Hawking Radiation from Four-dimensional Schwarzschild Black Holes in M-theory'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'M-theory', 'radiation, Hawking', 'duality', 'scalar particle, massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803078'] | ["Recently a method has been developed for relating four dimensional Schwarzschild black holes in M-theory to near-extremal black holes in string theory with four charges, using suitably defined ``boosts'' and T-dualities. We show that this method can be extended to obtain the emission rate of low energy massless scala... | ['1998-03-10'] |
8,997 | ['eng'] | ['Halyo, E'] | ['Supergravity on $AdS_{4/7} \\times S^{7/4}$ and M Branes'] | ['Particle Physics - Theory'] | ['operator, dimension', 'field theory, conformal', 'supersymmetry', 'dimension, 3', 'dimension, 6', 'duality', 'expansion 1/N', 'supergravity', 'dimension, 11', 'space-time, anti-de Sitter', 'Kaluza-Klein model', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803077'] | ['We calculate the dimensions of operators in three and six dimensional superconformal field theories by using the duality between these theories at large $N$ and D=11 supergravity on $AdS_{4/7} \\times S^{7/4}$. We find that for the duality relations to work the Kaluza--Klein masses given in the supergravity literatur... | ['1998-03-10'] |
8,998 | ['eng'] | ['Bershadsky, M', 'Kakushadze, Z', 'Vafa, C'] | ['String Expansion as Large N Expansion of Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'expansion 1/N', 'membrane model, D-brane', 'string model', 'perturbation theory, higher-order', 'renormalization group', 'orbifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803076'] | ["We consider string perturbative expansion in the presence of D-branes, imbedded in orbifolded spacetime. In the regime where the string coupling is weak and $\\alpha'\\to 0$ the string peturbative expansion coincides with `t Hooft's large $N$ expansion. We specifically concentrate on theories with $d=4$ and ${\\cal N... | ['1998-03-10'] |
8,999 | ['eng'] | ['Wilczek, Frank'] | ['Quantum field theory'] | ['Particle Physics - Theory'] | ['review', 'field theory, relativistic', 'particle physics', 'statistics', 'antiparticle', 'interaction', 'renormalization', 'gauge field theory, nonabelian', 'susceptibility, magnetic', 'supersymmetry', 'gravitation', 'quantum electrodynamics', 'quantum chromodynamics', 'electroweak interaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803075'] | ['I discuss the general principles underlying quantum field theory, and attempt to identify its most profound consequences. The deepest of these consequences result from the infinite number of degrees of freedom invoked to implement locality. I mention a few of its most striking successes, both achieved and prospective... | ['1998-03-10'] |
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