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4,800
['eng']
['Gregory, R']
['Nonsingular global string compactifications']
['Particle Physics - Theory']
['astrophysics, string', 'dimension, >4', 'spontaneous compactification', 'vortex', 'Higgs model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911015']
["We consider an exotic `compactification' of spacetime in which there are two infinite extra dimensions, using a global string instead of a domain wall. By having a negative cosmological constant we prove the existence of a nonsingular static solution using a dynamical systems argument. A nonsingular solution also exi...
['1999-11-04']
4,801
['eng']
['Zloshchastiev, K G']
['Zero-brane approach to study of particle-like solitons in classical and quantum Liouville field theory']
['Particle Physics - Theory']
['field theory, Liouville', 'soliton', 'fluctuation', 'effective action', 'quantization', 'Hamiltonian formalism', 'membrane model, p-brane']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911013']
['The effective p-brane action approach is generalized for arbitrary scalar field and applied for the Liouville theory near a particle-like solution. It was established that this theory has the remarkable features discriminating it from the theories studied earlier. Removing zero modes we obtain the effective action de...
['1999-11-04']
4,802
['eng']
['Gukov, S G']
['Solitons, Superpotentials and Calibrations']
['Particle Physics - Theory']
['string model', 'spontaneous compactification', 'potential', 'supersymmetry', 'vacuum state', 'space-time, Calabi-Yau', 'soliton, BPS', 'membrane model, D-brane', 'supergravity', 'dimension, 2', 'dimension, 10', 'invariance, topological', 'black hole, entropy']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911011']
['In this paper we study several issues related to the generation of superpotential in compactification of Type IIA string theory on Calabi-Yau four-folds with background Ramond-Ramond fluxes. Identifying BPS solitons with D-branes wrapped over calibrated submanifolds in a Calabi-Yau space, we propose a general formula...
['1999-11-04']
4,803
['eng']
['Perkins, W A']
['The $\\overline{p} p \\to \\pi^{0} \\pi^{0}$ Puzzle']
['Particle Physics - Theory']
['anti-p p, annihilation', 'pi0, pair production', 'anti-p p, atom', 'partial wave, branching ratio', 'quantum number', 'energy levels', 'vector meson, hadronic decay', 'vector meson, branching ratio', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911009']
['According to conventional theory, the annihilation reaction p-bar p --> pi_0 pi_0 cannot occur from a p-bar p atomic S state. However, this reaction occurs so readily for antiprotons stopping in liquid hydrogen, that it would require 30% P-wave annihilations. Experimental results from other capture and p-bar p annihi...
['1999-11-03']
4,804
['eng']
['Gervais, Jean-Loup']
['Bäcklund Transformations in 10D SUSY Yang-Mills Theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'dimension, 10', 'field equations', 'Baecklund transformation', 'supersymmetry, history']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911008']
['This is a continuation of hep-th/9811108, hep-th/9903218, hep-th/9910235, on exact integration technics for modified dynamical equations in ten dimensional supersymmetric gauge theory. A Bäcklund transformation is derived for the Yang type (super) equations previously derived (hep-th/9811108) by M. Saveliev and the a...
['1999-11-03']
4,805
['eng']
['Chattaraputi, A', 'Emparan, R', 'Taormina, A']
['Composite diholes and intersecting brane-antibrane configurations in string/M-theory']
['Particle Physics - Theory']
['M-theory', 'string model', 'supergravity', 'any-dimensional', 'black hole, bound state', 'model, composite', 'relativity theory, general', 'gauge field theory, U(1)', 'dilaton', 'membrane model, interaction', 'geometry']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911007']
['We construct new configurations of oppositely charged, static black hole pairs (diholes) in four dimensions which are solutions of low energy string/M-theory. The black holes are extremal and have four different charges. We also consider diholes in other theories with an arbitrary number of abelian gauge fields and s...
['1999-11-03']
4,806
['eng']
['Mukherjee, P', 'Kumar, S']
['Critical generation of soliton mode in a gauged O(3) $\\sigma$ model with interpolating potential']
['Particle Physics - Theory']
['sigma model, nonlinear', 'dimension, 3', 'gauge field theory', 'soliton', 'boundary condition', 'charge, topological']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911006']
['We show that a new soliton mode is generated in a gauged sigma model with interpolating potential when the interpolation parameter decreases below a critical value.']
['1999-11-03']
4,807
['eng']
['Wang, B', 'Abdalla, Elcio']
['Entropy of extreme three-dimensional charged black holes']
['Particle Physics - Theory']
['black hole, charge', 'dimension, 3', 'finite temperature', 'entropy']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911005']
["It is shown that three-dimensional charged black holes can approach the extreme state at nonzero temperature. Unlike even dimensional cases, the entropy for the extreme three-dimensional charged black hole is uniquely described by the Bekenstein-Hawking formula, regardless of different treatments of preparing the ext...
['1999-11-03']
4,808
['eng']
['Abel, S A', 'Barbón, José L F', 'Kogan, I I', 'Rabinovici, E']
['Some Thermodynamical Aspects of String Theory']
['Particle Physics - Theory']
['talk, Brussels 1999/03/24', 'string model', 'thermodynamics', 'finite temperature', 'membrane model, D-brane', 'membrane model, background field', 'gauge field theory, Yang-Mills', 'supersymmetry', 'entropy', 'energy dependence', 'black hole', 'critical phenomena']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911004']
['Thermodynamical aspects of string theory are reviewed and discussed.']
['1999-11-03']
4,809
['eng']
['David, J R']
['String Theory and Black Holes']
['Particle Physics - Theory']
['thesis', 'black hole', 'radiation, Hawking', 'membrane model, D-brane', 'field theory, conformal', 'supersymmetry', 'multiplet', 'gauge field theory', 'supergravity, moduli', 'scalar particle, absorption', 'cross section, absorption', 'operator, marginal', 'sigma model, linear']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911003']
['This thesis aims to make precise the microscopic understanding of Hawking radiation from the D1/D5 black hole. We present an explict construction of all the shortmultiplets of the ${\\cal N}=(4,4)$ SCFT on the symmetric product enables us to make a one-to-one correspondence beween the supergravity moduli and the marg...
['1999-11-03']
4,810
['eng']
['Bousso, R']
['The Holographic Principle for General Backgrounds']
['Particle Physics - Theory']
['talk, Potsdam 1999/07/19', 'black hole', 'space-time', 'holography', 'entropy, upper limit', 'quantum gravity, nonperturbative', 'Friedman model', 'boundary condition']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911002']
['We aim to establish the holographic principle as a universal law, rather than a property only of static systems and special space-times. Our covariant formalism yields an upper bound on entropy which applies to both open and closed surfaces, independently of shape or location. It reduces to the Bekenstein bound whene...
['1999-11-03']
4,811
['eng']
['Arefieva, I Y']
['High Energy Scattering in the Brane-World and Black Hole Production']
['Particle Physics - Theory']
['membrane model, stability', 'particle, relativistic', 'particle, scattering', 'gravitational radiation, scattering', 'black hole, production', 'dimension, 4', 'space-time, anti-de Sitter', 'dimension, 3']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910269']
['Black hole production in the collision of ultra-relativistic particles in the brane-world approach is considered. In particular, stability of the brane under collision with ultra-relativistic particles is discussed. As a toy model we consider the 3 dimensional version of the Randall and Sundrum solution and show that...
['1999-11-02']
4,812
['eng']
['Mayr, Peter']
['Conformal Field Theories on K3 and Three-Dimensional Gauge Theories']
['Particle Physics - Theory']
['field theory, conformal', 'dimension, 2', 'dimension, 3', 'field theory, Kaehler', 'supersymmetry', 'string model, heterotic', 'moduli space']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910268']
['According to a recent conjecture, the moduli space of the heterotic conformal field theory on a $G\\subset$ ADE singularity of an ALE space is equivalent to the moduli space of a pure $\\cx N=4$ supersymmetric three-dimensional gauge theory with gauge group G. We establish this relation using geometric engineering of...
['1999-11-02']
4,813
['eng']
['Imbimbo, C', 'Schwimmer, A', 'Theisen, Stefan J', 'Yankielowicz, S']
['Diffeomorphisms and Holographic Anomalies']
['Particle Physics - Theory']
['space-time', 'boundary condition', 'transformation, diffeomorphism', 'effective action', 'anomaly, conformal', 'holography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910267']
['Using the relation between diffeomorphisms in the bulk and Weyl transformations on the boundary we study the Weyl transformation properties of the bulk metric on shell and of the boundary action. We obtain a universal formula for one of the classes of trace anomalies in any even dimension in terms of the parameters o...
['1999-11-02']
4,814
['eng']
['Houart, L', 'Lozano, Y']
['Type II branes from brane-antibrane in M-theory']
['Particle Physics - Theory']
['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'membrane model, annihilation', 'soliton, topological', 'effective action']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910266']
['We discuss in a systematic way all the possible realisations of branes of M and type II theories as topological solitons of a brane-antibrane system. The classification of all the possibilities, consistent with the structure of the theory, is achieved by studying the Wess-Zumino terms in the worldvolume effective act...
['1999-11-02']
4,815
['eng']
['Kharchev, S', 'Lebedev, D']
['Integral representation for the eigenfunctions of quantum periodic Toda chain']
['Particle Physics - Theory']
['lattice field theory, Toda', 'R-matrix, rational', 'Schroedinger equation, wave function', 'spectral representation', 'analytic properties']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910265']
["Integral representation for the eigenfunctions of quantum periodic Toda chain is constructed for N-particle case. The multiple integral is calculated using the Cauchy residue formula. This gives the representation which reproduces the particular results obtained by Gutzwiller for N=2,3 and 4-particle chain. Our metho...
['1999-11-02']
4,816
['eng']
['Dubin, A Yu']
['Nonabelian Duality and Solvable Large N Lattice Systems']
['Particle Physics - Theory']
['lattice field theory', 'gauge field theory, SU(N)', 'gauge field theory, U(N)', 'duality, nonabelian', 'expansion 1/N', 'matrix model, any-dimensional', 'gauge field theory, induced', 'continuum limit', 'group theory, representation', 'measure']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910264']
["We introduce the basics of the nonabelian duality transformation of SU(N) or U(N) vector-field models defined on a lattice. The dual degrees of freedom are certain species of the integer-valued fields complemented by the symmetric groups' øtimes_{n} S(n) variables. While the former parametrize relevant irreducible re...
['1999-11-02']
4,817
['eng']
['Chen, B', 'Itoyama, H', 'Matsuo, T', 'Murakami, K']
["p-p' System with B-field, Branes at Angles and Noncommutative Geometry"]
['Particle Physics - Theory']
['membrane model, D-brane', 'membrane model, p-brane', 'field theory, tensor', 'differential forms, 2', 'membrane model, interaction', 'differential geometry, noncommutative', 'scattering amplitude, higher-order', 'phase space', 'analytic properties']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910263']
['We study the generic $p-p^\\prime$ system in the presence of constant NS 2-form $B_{ij}$ field. We derive properties concerning with the noncommutativity of D-brane worldvolume, the Green functions and the spectrum of this system. In the zero slope limit, a large number of light states appear as the lowest excitation...
['1999-11-02']
4,818
['eng']
['Aoki, H', 'Iso, S', 'Kawai, H', 'Kitazawa, Y']
['Scaling Behaviors of Branched Polymers']
['Particle Physics - Theory']
['statistical mechanics', 'model, polymer', 'partition function', 'thermodynamics', 'random walk', 'correlation function', 'scaling', 'phi**n model, 3', 'Dyson-Schwinger equation, solution', 'perturbation theory, higher-order']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910262']
['We study the thermodynamic behavior of branched polymers. We first study random walks in order to clarify the thermodynamic relation between the canonical ensemble and the grand canonical ensemble. We then show that correlation functions for branched polymers are given by those for $\\phi^3$ theory with a single mass...
['1999-11-02']
4,819
['eng']
['Kim, H']
['Genuine Dyons in Born-Infeld Electrodynamics']
['Particle Physics - Theory']
['dyon', 'Born-Infeld model', 'magnetic monopole', 'quantization, Dirac', 'Maxwell equation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910261']
['Study of magnetic monopoles in the original version of Born-Infeld (BI) electrodynamics is performed. It then is realized that interesting new physics emerge and they include exotic behavior of radial electric monopole field such as its regularity as $r\\to 0$ and its changing behavior with the absence or presence of...
['1999-11-02']
4,820
['eng']
['Imamura, Y']
['Tachyonic modes on type 0 NS5-branes']
['Particle Physics - Theory']
['membrane model, p-brane', 'p-brane, 5', 'duality', 'Kaluza-Klein model, monopole', 'orbifold', 'fluctuation', 'tachyon']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910260']
['Via T-duality, a stack of unwrapped type 0 NS5-branes is transformed into a Kaluza-Klein monopole with A_n type singularity at its center. The spectrum of twisted modes at the singularity contains tachyonic modes. We show that, in certain parameter region, this tachyonic spectrum is completely reproduced as modes of ...
['1999-11-02']
4,821
['eng']
['Jizba, P']
['Equilibrium and Non-equilibrium Quantum Field Theory']
['Particle Physics - Theory']
['thesis', 'finite temperature', 'density, finite', 'perturbation theory, higher-order', 'renormalization', 'pressure', 'model, hydrodynamical', 'Dyson-Schwinger equation', 'expansion 1/N', 'entropy', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910259']
['We concern with various aspects of equilibrium and non-equilibrium quantum field theory.']
['1999-11-02']
4,822
['eng']
['Sheikh-Jabbari, S']
['A Note on the Deformation of $\\Lambda$-Symmetry in B-field Background']
['Particle Physics - Theory']
['string model, boson', 'string, open', 'sigma model, nonlinear', 'gauge field theory, U(1)', 'gauge field theory, tensor', 'background field, constant', 'differential geometry, noncommutative', 'membrane model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910258']
['In this note we will show that the $\\Lambda$ symmetry, namely the U(1) symmetry of the open string sigma model which relates the B-field and the U(1) gauge field of a brane to each other, is deformed to a noncommutative version in a constant B-field background.']
['1999-11-02']
4,823
['eng']
['Nicolaevici, N']
['Non-renormalizability of a spontaneously broken gauge theory induced by a non-linear fermion-Higgs coupling of canonical dimension 4']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'fermion', 'Higgs model', 'symmetry, spontaneously broken', 'renormalization', 'perturbation theory, higher-order']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910257']
['We consider a spontaneously broken abelian gauge theory with a fermion-scalar coupling non-linear in the Higgs field, which reduces to a Yukawa term in the unitary gauge. We examine in this gauge the one loop divergences in a physical process and find they are not all of renormalizable type. Comparison is made with t...
['1999-11-02']
4,824
['eng']
['Hirano, S']
['Exact Renormalization Group and Loop Equation']
['Particle Physics - Theory']
['gauge field theory, U(N)', 'perturbation theory, higher-order', 'renormalization group', 'Wilson loop', 'loop space', 'path integral']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910256']
['We propose a gauge invariant formulation of the exact renormalization group equation for nonsupersymmetric pure U(N) Yang-Mills theory, based on the construction by Tim Morris. In fact we show that our renormalization group equation amounts to a regularized version of the loop equation, thereby providing a direct rel...
['1999-11-02']
4,825
['eng']
['Anselmi, D']
['Exact results on quantum field theories interpolating between pairs of conformal field theories']
['Particle Physics - Theory']
['talk, Moscow 1999/05/27', 'field theory, conformal', 'supersymmetry', 'anomaly', 'fermion, flavor', 'renormalization group', 'perturbation theory, higher-order', 'central charge', 'operator product expansion', 'fibre bundle']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910255']
['I review recent results on conformal field theories in four dimensions and quantum field theories interpolating between conformal fixed points, supersymmetric and non-supersymmetric. The talk is structured in three parts: i) central charges, ii) anomalous dimensions and iii) quantum irreversibility.']
['1999-11-02']
4,826
['eng']
['Filho, E D', 'Ricotta, R M']
['Morse potential energy spectra through the variational method and supersymmetry']
['Particle Physics - Theory']
['potential, Morse', 'molecule, energy spectrum', 'supersymmetry', 'quantum mechanics', 'expansion 1/N', 'numerical calculations, variational']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910254']
['The Variational Method is applied within the context of Supersymmetric Quantum Mechanics to provide information about the energy and eigenfunction of the lowest levels of a Hamiltonian. The approach is illustrated by the case of the Morse potential applied to several diatomic molecules and the results are compared wi...
['1999-11-02']
4,827
['eng']
['Göhmann, F', 'Korepin, V E']
['Solution of the quantum inverse problem']
['Particle Physics - Theory']
['statistical mechanics', 'model, spin', 'quantization', 'operator, algebra', 'inverse scattering method']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910253']
['We derive a formula that expresses the local spin and field operators of fundamental graded models in terms of the elements of the monodromy matrix. This formula is a quantum analogue of the classical inverse scattering transform. It applies to fundamental spin chains, such as the XYZ chain, and to a number of import...
['1999-11-02']
4,828
['eng']
['Cvetic, M', 'Lu, H', 'Pope, C N']
['Four-dimensional N=4 SO(4) Gauged Supergravity from D=11']
['Particle Physics - Theory']
['gauge field theory, SO(4)', 'supergravity', 'dimension, 4', 'dimension, 11', 'dimensional reduction', 'Kaluza-Klein model, nonlinear', 'boson, excited state', 'gauge field theory, SU(2) x SU(2)', 'coupling constant, gauge']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910252']
['We construct the complete and explicit non-linear Kaluza-Klein Ansatz for deriving the bosonic sector of the standard N=4 SO(4) gauged four-dimensional supergravity from the reduction of D=11 supergravity on S^7. This provides a way of interpreting all bosonic solutions of the four-dimensional gauged theory as exact ...
['1999-11-02']
4,829
['eng']
['Berkovits, N']
['Quantization of the Superstring in Ramond-Ramond Backgrounds']
['Particle Physics - Theory']
['talk, Potsdam 1999/07/19', 'string model, action', 'supersymmetry', 'sigma model, nonlinear', 'quantization', 'constraint', 'Hamiltonian formalism', 'dimension, 10', 'spontaneous compactification', 'dimension, 4', 'dimension, 6']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910251']
['Sigma model actions are constructed for the Type II superstring compactified to four and six dimensional curved backgrounds which can contain non-vanishing Ramond-Ramond fields. These actions are N=2 worldsheet superconformally invariant and can be covariantly quantized preserving manifest spacetime supersymmetry. Th...
['1999-11-01']
4,830
['eng']
['Argyres, Philip C', 'Intriligator, K', 'Leigh, Robert G', 'Strassler, M J']
['On Inherited Duality in N=1 d=4 Supersymmetric Gauge Theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry', 'duality', 'field theory, anti-de Sitter', 'field theory, conformal']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910250']
['Four-dimensional N=1 supersymmetric gauge theories with two adjoints and a quartic superpotential are believed, from AdS/CFT duality, to have SL(2,Z) invariance. In this note we review an old, unpublished argument for this property, based solely on field theory. The technique involves a complexified flavor rotation w...
['1999-11-01']
4,831
['eng']
['Mihailescu, M', 'Oh, K', 'Tatar, R']
['Non-BPS Branes on a Calabi-Yau Threefold and Bose-Fermi Degeneracy']
['Particle Physics - Theory']
['string model, open', 'supersymmetry', 'partition function', 'phase space', 'membrane model, D-brane', 'orbifold, Calabi-Yau', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910249']
['We consider the spectrum of open strings for non-BPS D-brane configuration in type II string theory on a Calabi-Yau threefold. In general, there is no degeneracy between bosonic and fermionic states. However we find special values for the moduli space of Calabi-Yau threefolds there are non-BPS brane configurations wh...
['1999-11-01']
4,832
['eng']
['Aspinwall, Paul S', 'Plesser, M R']
['Heterotic String Corrections from the Dual Type II String']
['Particle Physics - Theory']
['string model, heterotic', 'supersymmetry', 'spontaneous compactification', 'moduli space', 'duality', 'geometry, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910248']
['We introduce a method of using the a dual type IIA string to compute alpha\'-corrections to the moduli space of heterotic string compactifications. In particular we study the hypermultiplet moduli space of a heterotic string on a K3 surface. One application of this machinery shows that type IIB strings compactified o...
['1999-11-01']
4,833
['eng']
['Riccioni, F']
['Abelian Vector Multiplets in Six-Dimensional Supergravity']
['Particle Physics - Theory']
['supergravity', 'dimension, 6', 'multiplet, vector', 'multiplet, tensor', 'multiplet, abelian', 'coupling, multiplet', 'gauge field theory', 'Chern-Simons term', 'Lagrangian formalism', 'supersymmetry, anomaly', 'anomaly, gauge', 'Wess-Zumino term']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910246']
['In this note we describe the most general coupling of abelian vector and tensor multiplets to six-dimensional (1,0) supergravity. As was recently pointed out, it is of interest to consider more general Chern-Simons couplings to abelian vectors of the type $H^{r}=d B^{r}-1/2 c^{rab} A^{a}d A^{b}$, with c^{r} matrices ...
['1999-11-01']
4,834
['eng']
['Witten, Edward', 'Yau, S T']
['Connectedness Of The Boundary In The AdS/CFT Correspondence']
['Particle Physics - Theory']
['space-time, anti-de Sitter', 'field theory, conformal', 'relativity theory, general', 'Einstein equation, solution', 'boundary condition', 'topology']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910245', 'http://pascal.intlpress.com/journals/ATMP/archive/']
['Let M be a complete Einstein manifold of negative curvature, and assume that (as in the AdS/CFT correspondence) it has a Penrose compactification with a conformal boundary N of positive scalar curvature. We show that under these conditions, H_n(M;Z)=0 and in particular N must be connected. These results resolve some ...
['1999-11-01']
4,835
['eng']
['Youm, D']
['Black hole thermodynamics and two-dimensional Dilaton gravity theory']
['Particle Physics - Theory']
['black hole, horizon', 'gravitation, dilaton', 'dimension, 2', 'thermodynamics', 'entropy', 'membrane model, p-brane', 'space-time, any-dimensional', 'black hole, charge', 'dimension, 4', 'dimension, 5']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910244']
['We relate various black hole solutions in the near-horizon region to black hole solutions in two-dimensional dilaton gravity theories in order to argue that thermodynamics of black holes in D>=4 can be effectively described by thermodynamics of black holes in two-dimensional dilaton gravity theories. We show that the...
['1999-11-01']
4,836
['eng']
['Buchholz, D A', 'Haag, R']
['The Quest for Understanding in Relativistic Quantum Physics']
['Particle Physics - Theory']
['axiomatic field theory', 'operator, algebra', 'algebra, von Neumann', 'phase space', 'geometry', 'functional analysis', 'renormalization group', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910243']
['We discuss the status and some perspectives of relativistic quantum physics.']
['1999-11-01']
4,837
['eng']
['Infante, M P', 'Sánchez, N']
['Minimal String Driven Cosmology and its Predictions']
['Particle Physics - Theory']
['string model', 'effective action', 'inflationary universe', 'energy, density', 'relativity theory, general', 'matter, density']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910242']
['We present a minimal model for the Universe evolution fully extracted from effective String Theory. By linking this model with a minimal but well established observational information, we prove that it gives realistic predictions on early and current energy density and its results are compatible with General Relativi...
['1999-11-01']
4,838
['eng']
['Kluson, J']
['D-branes from N non-BPS D9-branes in IIA theory']
['Particle Physics - Theory']
['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 8', 'p-brane, 9', 'string model', 'field equations, kink', 'solution, BPS', 'tachyon', 'stability']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910241']
['We construct unstable system D8-brane+D8-antibrane as a kink solution on world-volume of non-BPS D9-brane in IIA theory. Futher we will make other checks confirming validity of our approach.']
['1999-11-01']
4,839
['eng']
['Magpantay, J A']
['The Parisi-Sourlas Mechanism in Yang-Mills Theory?']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'path integral', 'dependence, gauge', 'sigma model, nonlinear', 'symmetry, O(3,1)', 'dimension, 4', 'random field', 'dimensional reduction', 'dimension, 2']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910240']
['The Parisi-Sourlas mechanism is exhibited in pure Yang-Mills theory. Using the new scalar degrees of freedom derived from the non-linear gauge condition, we show that the non-perturbative sector of Yang-Mills theory is equivalent to a 4D O(1,3) sigma model in a random field. We then show that the leading term of this...
['1999-11-01']
4,840
['eng']
['Jiang, Y', 'Duan, Y']
['A new topological aspect of the arbitrary topological defects']
['Particle Physics - Theory']
['topology, defect', 'any-dimensional', 'current, topological', 'quantization, topological', 'critical phenomena, bifurcation', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910239']
['We present a new generalized topological current to describe the arbitrary dimensional topological defects which is closely related to the generalized winding number of the order parameter field $\\vec \\phi$. By virtue of the $% the zero points of the order parameter field $\\vec \\phi$, and these topological defect...
['1999-11-01']
4,841
['eng']
['Rozali, M']
['Hypermultiplet Moduli Space and Three Dimensional Gauge Theories']
['Particle Physics - Theory']
['string model, heterotic', 'spontaneous compactification', 'moduli space', 'gauge field theory, Yang-Mills', 'dimension, 3']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910238']
["We establish a relation, conjectured recently by E. Witten, between the hypermultiplet moduli space in compactifications of the heterotic string on an A-D-E singularities, and the moduli spaces of three dimensional pure gauge theories with the corresponding A-D-E gauge groups. It is possible to add a bounded number o...
['1999-10-29']
4,842
['eng']
['Bertolini, M', 'Trigiante, M']
['Regular R-R and NS-NS BPS black holes']
['Particle Physics - Theory']
['black hole, BPS', 'supergravity', 'group theory, Lie', 'central charge', 'membrane model, D-brane', 'bound state', 'duality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910237']
["We show in a precise group theoretical fashion how the generating solution of BPS regular black holes in N=8 supergravity, which is known to be a solution also of a simpler N=2 STU model truncation, can be characterized as purely NS-NS or R-R charged according to the way the corresponding STU model is embedded in the...
['1999-10-29']
4,843
['eng']
['Ganor, O J']
['Effects in Gauge Theories and a Harmonic Function on $E_{10}$']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'instanton', 'M-theory', 'dimension, 10', 'dimension, 8', 'field theory, torus', 'mass, deformation', 'mass spectrum', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'Kaluza-Klein model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910236']
['In a previous paper we conjectured that the structure of various gauge theories as well as M-theory on $T^8$ is encoded in a unique function $\\Xi$ on the coset $E_{10}(Z)\\backslash E_{10}(R)/K$ and that this function is harmonic with respect to the $E_{10}(R)$ invariant metric. In this paper we elaborate on the con...
['1999-10-29']
4,844
['eng']
['Gervais, Jean-Loup']
['Solution Generating in Ten Dimensional Supersymmetric Classical Yang-Mills Theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 10', 'field equations, solution', 'operator, Lax']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910235']
["In a recent paper (hep-th/9811108), Saveliev and the author showed that there exits an on-shell light cone gauge where the non-linear part of the field equations reduces to a (super) version of Yang's equations which may be solved by methods inspired by the ones previously developed for self-dual Yang-Mills equations...
['1999-10-29']
4,845
['eng']
['Abrikosov, A A']
['Instantons in curvilinear coordinates']
['Particle Physics - Theory']
['talk, Montpellier 1999/07/07', 'gauge field theory, SU(2)', 'space-time', 'instanton', 'charge, topological', 'duality', 'transformation, gauge', 'symmetry, O(4)', 'singularity', 'Chern-Simons number']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910234']
["The multi-instanton solutions by 'tHooft and Jackiw, Nohl & Rebbi are generalized to curvilinear coordinates. Expressions can be notably simplified by the appropriate gauge transformation. This generates the compensating addition to the gauge potential of pseudoparticles. Singularities of the compensating connection ...
['1999-10-29']
4,846
['eng']
['Boschi-Filho, H', 'Braga, N R F']
['Remark on the variational principle in the AdS/CFT correspondence for the scalar field']
['Particle Physics - Theory']
['field theory, scalar', 'field theory, massless', 'space-time, anti-de Sitter', 'field theory, conformal', 'field theory, action', 'field equations, solution', 'mathematical methods, variational']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910233']
['We discuss how the variational principle can be used as a criterion for choosing, among scalar field actions implying the same equation of motion, the appropriate one for the AdS/CFT correspondence.']
['1999-10-29']
4,847
['eng']
['Loll, R', 'Ambjørn, Jan', 'Anagnostopoulos, K N']
['Making the gravitational path integral more Lorentzian, or']
['Particle Physics - Theory']
['quantum gravity, Lorentz', 'dimension, 2', 'path integral, nonperturbative', 'triangulation', 'matter, coupling', 'Ising model', 'causality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910232']
['In two space-time dimensions, there is a theory of Lorentzian quantum gravity which can be defined by a rigorous, non-perturbative path integral and is inequivalent to the well-known theory of (Euclidean) quantum Liouville gravity. It has a number of appealing features: i) its quantum geometry is non-fractal, ii) it ...
['1999-10-29']
4,848
['eng']
['Rogatko, M']
['Positive Mass Theorem for Black Holes in Einstein-Maxwell Axion-dilaton Gravity']
['Particle Physics - Theory']
['black hole, mass', 'Einstein-Maxwell equation', 'gravitation, dilaton', 'axion', 'string model, heterotic', 'charge, electric', 'charge, magnetic']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910231']
['We presented the proof of the positive mass theorem for black holes in Einstein-Maxwell axion-dilaton gravity being the low-energy limit of the heterotic string theory. We show that the total mass of a spacetime containing a black hole is greater or equal to the square root of the sum of squares of the adequate dilat...
['1999-10-29']
4,849
['eng']
['Ruiz-Arriola, E', 'Salcedo, L L']
['Anomalies for Nonlocal Dirac Operators']
['Particle Physics - Theory']
['talk, Coimbra 1999/09/10', 'gauge field theory, U(1)', 'fermion', 'any-dimensional', 'operator, Dirac', 'operator, nonlocal', 'anomaly, chiral', 'anomaly, conformal', 'regularization, zeta function', 'effective action', 'perturbation theory, higher-order', 'finite temperature']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910230']
["The anomalies of a very general class of non local Dirac operators are computed using the $\\zeta$-function definition of the fermionic determinant and an asymmetric version of the Wigner transformation. For the axial anomaly all new terms introduced by the non locality can be brought to the standard minimal Bardeen'...
['1999-10-29']
4,850
['eng']
['Gorsky, A S', 'Selivanov, K']
['On heavy states in supersymmetric gluodynamics at large N']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'supersymmetry', 'phase space', 'domain wall', 'soliton, BPS']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910229']
['It is argued that there are states (quasiparticles) with masses ranging over the scales $\\Lambda N_{c}^{1/3} \\div \\Lambda N_{c}$ in N=1 supersymmetric multicolor gluodynamics. These states exist in the form of quantum bubbles made out of the BPS domain walls. Analogous states are likely to exist in non-supersymmet...
['1999-10-29']
4,851
['eng']
['Bianchi, M', 'Morales, J F', 'Pradisi, G']
['Discrete torsion in non-geometric orbifolds and their open-string descendants']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'spontaneous compactification', 'orbifold, Z(N) x Z(N)', 'dimension, 6', 'dimension, 4', 'transformation, modular', 'torsion, discrete', 'scattering amplitude', 'analytic properties', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910228']
['We discuss some Z_N^L X Z_N^R orbifold compactifications of the type IIB superstring to D= 4,6 dimensions and their type I descendants. Although the Z_N^L X Z_N^R generators act asymmetrically on the chiral string modes, they result into left-right symmetric models that admit sensible unorientable reductions. We care...
['1999-10-29']
4,852
['eng']
['Dolgushev, V A']
['Polynomial Gauge Invariants of a Bosonic String']
['Particle Physics - Theory']
['talk, Moscow 1999/05/27', 'string model, boson', 'string, open', 'quantization, 1', 'transformation, Becchi-Rouet-Stora', 'invariance, gauge', 'differential forms']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910227']
["An open bosonic string is considered with the aim to construct a general gauge invariant, being a polynomial of Fubini-Veneziano (FV) fields. The FV fields are transformed as 1-forms on $S^1$, that allows to formulate the problem in geometric terms. We introduce a most general anzats for these invariants and explicit...
['1999-10-29']
4,853
['eng']
['Odake, S']
['Beyond CFT']
['Particle Physics - Theory']
['lectures, Banff 1999/06/27', 'field theory, conformal', 'dimension, 2', 'algebra, Virasoro', 'algebra, deformation', 'algebra, representation', 'lattice field theory', 'Yang-Baxter equation', 'operator, vertex', 'form factor', 'operator product expansion', 'Calogero-Sutherland model', 'transformation, Becchi-Rouet-St...
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910226']
["In this lecture we discuss `beyond CFT' from symmetry point of view. After reviewing the Virasoro algebra, we introduce deformed Virasoro algebras and elliptic algebras. These algebras appear in solvable lattice models and we study them by free field approach."]
['1999-10-29']
4,854
['eng']
['Cadoni, M', 'Mignemi, S']
['Reply Comment on "Entropy of 2D black holes from counting microstates"']
['Particle Physics - Theory']
['black hole', 'dimension, 2', 'entropy, statistical', 'space-time, anti-de Sitter', 'algebra, Virasoro', 'central charge']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910225']
['We show that the arguments proposed by Park and Yee against our recent derivation of the statistical entropy of 2D black holes do not apply to the case under consideration']
['1999-10-29']
4,855
['eng']
['Khorrami, M', 'Alimohammadi, M']
['Large-N limit of the generalized 2D Yang-Mills theory on cylinder']
['Particle Physics - Theory']
['gauge field theory, U(N)', 'dimension, 2', 'space-time, cylinder', 'field equations, solution', 'partition function', 'expansion 1/N']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910224']
['Using the collective field theory approach of large-N generalized two-dimensional Yang-Mills theory on cylinder, it is shown that the classical equation of motion of collective field is a generalized Hopf equation. Then, using the Itzykson-Zuber integral at the large-N limit, it is found that the classical Young tabl...
['1999-10-29']
4,856
['eng']
['Saller, H']
['Duality Induced Reflections and CPT']
['Particle Physics - Theory']
['space-time', 'spinor', 'duality', 'symmetry breaking, discrete', 'invariance, CPT', 'group theory, Lorentz', 'group theory, SU(2)', 'group theory, SU(3)']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910223']
['The linear particle-antiparticle conjugation $\\ty C$ and position space reflection $\\ty P$ as well as the antilinear time reflection $\\ty T$ are shown to be inducable by the selfduality of representations for the operation groups translations resp. The definition of a colour compatible linear triplet and antitripl...
['1999-10-29']
4,857
['eng']
['Lunin, O', 'Pinsky, S S']
['SDLCQ']
['Particle Physics - Theory']
['lectures, Seoul 1999/05/26', 'gauge field theory, Yang-Mills', 'supersymmetry', 'light cone gauge, discrete', 'quantization', 'Hamiltonian formalism', 'supergravity', 'vacuum state', 'correlation function', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910222']
['In these lectures we discuss the application of discrete light cone quantization (DLCQ) to supersymmetric field theories. We will see that it is possible to formulate DLCQ so that supersymmetry is exactly preserved in the discrete approximation. We call this formulation of DLCQ, SDLCQ and it combines the power of DLC...
['1999-10-28']
4,858
['eng']
['Faber, M']
['A Model for Topological Fermions']
['Particle Physics - Theory']
['field theory, topological', 'fermion', 'quaternion', 'field equations, monopole', 'stability', 'gauge field theory, U(1)', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910221']
["We introduce a soliton model for charged fermions, a four-dimensional generalisation of the sine-Gordon model. Starting from a unimodular quaternionic field which defines a local coordinate system at each point in space and time we can determine a local curvature. In addition to a curvature term we introduce a potent...
['1999-10-28']
4,859
['eng']
['Deotto, E', 'Furlan, G', 'Gozzi, E']
['A New Supersymmetric Extension of Conformal Mechanics']
['Particle Physics - Theory']
['mechanics, classical', 'invariance, conformal', 'supersymmetry', 'Hamiltonian formalism', 'operator, algebra', 'commutation relations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910220']
['In this paper we propose a new supersymmetric extension of conformal mechanics. The Grassmannian variables that we introduce are the basis of the forms and of the vector-fields built over the symplectic space of the original system. Our supersymmetric Hamiltonian itself turns out to have a clear geometrical meaning b...
['1999-10-28']
4,860
['eng']
['Binétruy, P', 'Deffayet, C', 'Ellwanger, Ulrich', 'Langlois, D']
['Brane cosmological evolution in a bulk with cosmological constant']
['Particle Physics - Theory']
['space-time', 'dimension, 5', 'astrophysics, fundamental constant', 'membrane model, p-brane', 'p-brane, 3', 'Einstein equation, solution']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910219']
["We consider the cosmology of a ``3-brane universe'' in a five dimensional (bulk) space-time with a cosmological constant. We show that Einstein's equations admit a first integral, analogous to the first Friedmann equation, which governs the evolution of the metric in the brane, whatever the time evolution of the metr...
['1999-10-28']
4,861
['eng']
['Miramontes, J L', 'Fernández-Pousa, C R']
['Integrable Quantum Field Theories with Unstable Particles']
['Particle Physics - Theory']
['sine-Gordon model', 'dimension, 2', 'group theory, Lie', 'S-matrix', 'analytic properties', 'resonance', 'integrability', 'mass spectrum', 'particle, stability']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910218']
['A new family of S-matrix theories with resonance poles is constructed and conjectured to correspond to the Homogeneous sine-Gordon theories associated with simply laced compact Lie groups, where some of the resonance poles can be traced to the presence of unstable particles in the spectrum. These theories are unitary...
['2003-06-18']
4,862
['eng']
['Das-Gupta, T', 'Stefanski, B']
['Non-BPS States and Heterotic']
['Particle Physics - Theory']
['string model, heterotic', 'gauge field theory, SO(16) x SO(16)', 'phase space', 'fluctuation', 'spinor', 'mass spectrum', 'analytic properties', 'duality', 'bound state, string']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910217']
['There are two families of non-BPS bi-spinors in the perturbative spectrum of the nine dimensional heterotic string charged under the gauge group $SO(16)\\times SO(16)$. The relation between these perturbative non-BPS states and certain non-perturbative non-BPS D-brane states of the dual type I$^\\prime$ theory is exh...
['1999-10-28']
4,863
['eng']
['Mayr, Peter']
['Non-perturbative N=1 strings from geometric singularities']
['Particle Physics - Theory']
['talk, Potsdam 1999/07/19', 'string model, nonperturbative', 'membrane model, D-brane', 'space, Calabi-Yau', 'singularity, geometrical', 'supersymmetry', 'F-theory', 'spontaneous compactification', 'fibre bundle', 'duality', 'symmetry, mirror']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910216']
["The study of curved D-brane geometries in type II strings implies a general relation between local singularities $\\cx W$ of Calabi-Yau manifolds and gravity free supersymmetric QFT's. The minimal supersymmetric case is described by F-theory compactifications on $\\cx W$ and can be used as a starting point to define ...
['1999-10-28']
4,864
['eng']
['Suzuki, J']
['Functional Relations in Stokes Multipliers and Solvable Models related to $U_{q}(A^{(1)}_{n})$']
['Particle Physics - Theory']
['Schroedinger equation', 'differential equations, integrability', 'thermodynamics', 'Bethe ansatz', 'quantum group']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910215']
['Recently, Dorey and Tateo have investigated functional relations among Stokes multipliers for a Schr{ö}dinger equation (second order differential equation) with a polynomial potential term in view of solvable models. Here we extend their studies to a restricted case of n+1-th order linear differential equations.']
['1999-10-28']
4,865
['eng']
['Alkalaev, K B', 'Lyakhovich, S L']
['Algebraic Aspects of Interactions of Massive Spinning Particles in Three Dimensions']
['Particle Physics - Theory']
['talk, Moscow 1999/05/27', 'mechanics, classical', 'particle, relativistic', 'spin', 'dimension, 3', 'quantization, 1', 'Hamiltonian formalism', 'operator, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910214']
['The most general 2+1 dimensional spinning particle model is considered. The action functional may involve all the possible first order Poincare invariants of world lines, and the particular class of actions is specified thus the corresponding gauge algebra to be unbroken by inhomogeneous external fields. Nevertheless...
['1999-10-28']
4,866
['eng']
['Park, M I', 'Yee, J H']
['Comments on "Entropy of 2D Black Holes from Counting Microstates"']
['Particle Physics - Theory']
['black hole', 'entropy', 'dimension, 2', 'entropy, statistical', 'algebra, Virasoro']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910213']
['In a recent letter, Cadoni and Mignemi proposed a formulation for the statistical computation of the 2D black holes entropy. We present a criticism about their formulation.']
['1999-10-28']
4,867
['eng']
['Houghton, C J']
['On the generalized Legendre transform and monopole metrics']
['Particle Physics - Theory']
['Legendre transformation', 'potential, Kaehler', 'twistor', 'moduli space, monopole', 'dyon', 'analytic properties']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910212']
['In the generalized Legendre transform construction the Kaehler potential is related to a particular function. Here, the form of this function appropriate to the monopole metric is calculated from the known twistor theory of monopoles.']
['1999-10-28']
4,868
['eng']
['Bose, S', 'Naing, T Z']
['Quasilocal energy for rotating charged black hole solutions in general relativity and string theory']
['Particle Physics - Theory']
['relativity theory, general', 'black hole, rotational', 'black hole, Kerr', 'energy, local', 'string model, heterotic', 'space-time, horizon']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911070']
["We explore the (non)-universality of Martinez's conjecture, originally proposed for Kerr black holes, within and beyond general relativity. The conjecture states that the Brown-York quasilocal energy at the outer horizon of such a black hole reduces to twice its irreducible mass, or equivalently, to Kerr black hole. ...
['1999-11-11']
4,869
['eng']
['Drukker, N']
['Wilson Loops as Matrix Strings']
['Particle Physics - Theory']
['gauge field theory, U(N)', 'dimension, 2', 'matrix model', 'string model', 'operator, vertex', 'Wilson loop']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910211']
['In the framework of Matrix theory we show that Wilson loops can serve as interpolating fields to define string scattering amplitudes as gauge theory observables.']
['1999-10-27']
4,870
['eng']
['Clark, T E', 'Love, S T']
['Twisted Boundary Conditions and Matching to the Effective Four Dimensional Theory']
['Particle Physics - Theory']
['boundary condition', 'zero mode, coupling constant', 'field theory, scalar', 'dimension, 5', 'dimension, 4', 'Kaluza-Klein model', 'fermion', 'symmetry breaking']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910210']
["Nontrivial twisted boundary conditions associated with extra compact dimensions produce an ambiguity in the value of the four dimensional coupling constants of the renormalizable interactions of the twisted fields' zero modes. Resolving this indeterminancy would require a knowledge of the exact form of the higher dim...
['1999-10-27']
4,871
['eng']
['Park, J S']
['Cohomological Field Theories with Kähler Structure']
['Particle Physics - Theory']
['field theory, topological', 'cohomology', 'field theory, Kaehler', 'path integral', 'supersymmetry, charge', 'fibre bundle', 'ghost', 'transformation, Becchi-Rouet-Stora', 'field theory, deformation', 'mathematical methods']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910209', 'http://pascal.intlpress.com/journals/ATMP/archive/']
['This paper is devoted to a general and self-contained approach to any cohomological field theory with Kãhler structure.']
['1999-10-27']
4,872
['eng']
['De Carlos, B', 'Moreno, J M']
['Domain walls in supersymmetric QCD']
['Particle Physics - Theory']
['talk, Tampere 1999/07/15', 'gauge field theory, SU(N)', 'flavor, 1', 'supersymmetry', 'domain wall, BPS', 'expansion 1/N', 'vacuum state', 'gaugino, condensation', 'squark, condensation', 'matter, mass']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910208']
['We consider domain walls that appear in supersymmetric SU(N) with one massive flavour. In particular, for N > 3 we explicitly construct the elementary domain wall that interpolates between two contiguous vacua. We show that these solutions are BPS saturated for any value of the mass of the matter fields. We also comm...
['1999-10-27']
4,873
['eng']
['Lerche, Wolfgang']
['On the Heterotic/F-Theory Duality in Eight Dimensions']
['Particle Physics - Theory']
['talk, Cargese 1999/05/24', 'F-theory', 'string model, heterotic', 'duality', 'dimension, 8', 'moduli space', 'effective action', 'perturbation theory, higher-order', 'group theory', 'analytic properties', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910207']
['We review quantitative tests on the duality between the heterotic string on T^2 and F-theory on K3. On the heterotic side, certain threshold corrections to the effective action can be exactly computed at one-loop order, and the issue is to reproduce these from geometric quantities pertaining to the K3 surface. In doi...
['1999-10-27']
4,874
['eng']
['Dubois-Violette, M', 'Furlan, Paolo', 'Hadjiivanov, L K', 'Isaev, A P', 'Pyatov, P N', 'Todorov, I T']
['A Finite Dimensional Gauge Problem in the WZNW Model']
['Particle Physics - Theory']
['talk, Goslar 1999/07/18', 'Wess-Zumino-Witten model', 'dimension, 2', 'Hamiltonian formalism', 'symmetry, SU(N)', 'gauge field theory', 'operator, vertex', 'operator, chiral', 'zero mode', 'phase space, Fock space', 'transformation, Becchi-Rouet-Stora', 'superselection rule', 'mathematical methods', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910206']
['The left and right zero modes of the level k SU(n) WZNW model give rise to a pair of isomorphic (left and right) mutually commuting quantum matrix algebras. For a deformation parameter q being an even (2h-th, h = k + n) root of unity each of these matrix algebras admits an ideal such that the corresponding factor alg...
['1999-10-27']
4,875
['eng']
['Dolan, L', 'Witten, Edward']
['Vertex Operators for AdS3 Background With Ramond Ramond Flux']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'space-time, anti-de Sitter', 'operator, vertex', 'constraint, solution', 'flux', 'supergravity', 'field equations, solution', 'dimension, 6']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910205']
['In order to study vertex operators for the Type IIB superstring on AdS space, we derive supersymmetric constraint equations for the vertex operators in AdS3xS3 backgrounds with Ramond-Ramond flux, using Berkovits-Vafa-Witten variables. These constraints are solved to compute the vertex operators and show that they sa...
['1999-10-27']
4,876
['eng']
['Billig, Y']
['Sine-Gordon Equation and Representations of Affine Kac-Moody Algebra $\\widehat{sl_{2}}$']
['Particle Physics - Theory']
['sine-Gordon equation, soliton', 'dimension, 2', 'algebra, affine', 'algebra, Lie', 'algebra, Kac-Moody', 'quantum algebra, SL(2)', 'algebra, representation', 'operator, vertex', 'Kadomtsev-Petviashvili equation, hierarchy', 'Korteweg-de Vries equation, hierarchy', 'operator, Casimir', 'Hirota equation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910204']
['The goal of this paper is to give a representation-theoretic interpretation of the sine-Gordon equation. We consider a vertex operator representation of affine Kac-Moody algebra \\hat{sl_2} on the space of differential operators. In this formulation, the tau-function becomes a function of non-commuting variables. Usi...
['1999-10-27']
4,877
['eng']
['Nagy, S', 'Sailer, K']
['Search for periodic vacuum in $QED_{2}$']
['Particle Physics - Theory']
['quantum electrodynamics', 'dimension, 2', 'fermion', 'path integral', 'effective action', 'vacuum state', 'energy, density', 'energy, Casimir', 'perturbation theory, higher-order', 'mean field approximation', 'tensor, energy-momentum', 'Dirac equation, solution', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910203']
['It is shown that the vacuum of QED$_2$ in Minkowski spacetime does not favour a periodic electric mean field. The projected effective action exhibiting a genuine dependence on the non-vanishing background field has been introduced. The functional dependence of the energy density of the vacuum on the assumed periodic ...
['1999-10-27']
4,878
['eng']
['Luty, M A', 'Sundrum, R']
['Radius Stabilization and Anomaly-Mediated Supersymmetry Breaking']
['Particle Physics - Theory']
['supergravity', 'supersymmetry, symmetry breaking', 'dimension, 5', 'spontaneous compactification', 'dimension, 4', 'gauge field theory, SU(N)', 'Kaluza-Klein model', 'anomaly', 'stability', 'membrane model, p-brane', 'p-brane, 3']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910202']
['We analyze in detail a specific 5-dimensional realization of a "brane-universe" scenario where the visible and hidden sectors are localized on spatially separated 3-branes coupled only by supergravity, with supersymmetry breaking originating in the hidden sector. Although general power counting allows order 1/M_{Plan...
['1999-10-27']
4,879
['eng']
['Barnich, G', 'Henneaux, M', 'Hurth, Tobias', 'Skenderis, K']
['Cohomological analysis of gauged-fixed gauge theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'field theory, deformation', 'current, conservation law', 'gauge fixing', 'antifield', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910201']
['The relation between the gauge-invariant local BRST cohomology involving the antifields and the gauge-fixed BRST cohomology is clarified. It is shown in particular that the cocycle conditions become equivalent once it is imposed, on the gauge-fixed side, that the BRST cocycles should yield deformations that preserve ...
['1999-10-27']
4,880
['eng']
['Sakamoto, M', 'Yamashita, H']
['A Simple Proof of the Non-Renormalization of the Chern-Simons Coupling']
['Particle Physics - Theory']
['Chern-Simons term', 'gauge field theory', 'dimension, 3', 'renormalization', 'supersymmetry', 'effective action']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910200']
['We give a very simple proof that the renormalization of the Chern-Simons coupling in the Wilsonian effective action is exhausted at one-loop. Our proof can apply to arbitrary 2+1-dimensional abelian as well as nonabelian gauge theories without a bare Chern-Simons coupling, including any non-renormalizable interaction...
['1999-10-27']
4,881
['eng']
['Park, J H']
['Superconformal Symmetry in Three-dimensions']
['Particle Physics - Theory']
['dimension, 3', 'invariance, conformal', 'supersymmetry, superspace', 'supersymmetry, representation', 'n-point function']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910199']
['Three-dimensional N-extended superconformal symmetry is studied within the superspace formalism. A superconformal Killing equation is derived and its solutions are classified in terms of supertranslations, dilations, Lorentz transformations, R-symmetry transformations and special superconformal transformations. Super...
['1999-10-27']
4,882
['eng']
['Gusev, Yu V', 'Zelnikov, A I']
['Two-dimensional effective action for matter fields coupled to the dilaton']
['Particle Physics - Theory']
['gravitation', 'dimension, 2', 'dilaton', 'fermion', 'effective action', 'perturbation theory, higher-order', 'regularization, heat kernel', 'infrared problem', 'heat kernel', 'finite temperature']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910198']
['We revise the calculation of the one-loop effective action for scalar and spinor fields coupled to the dilaton in two dimensions. Applying the method of covariant perturbation theory for the heat kernel we derive the effective action in an explicitly covariant form that produces both the conformally invariant and the...
['1999-10-27']
4,883
['eng']
['Penati, S', 'Santambrogio, A', 'Zanon, D']
['Two-point functions of chiral operators in $N = 4 SYM$ at order $g^{4}$']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'supersymmetry, superspace', 'operator, chiral', 'two-point function', 'perturbation theory, higher-order', 'higher-order, 4']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910197']
['We compute two-point functions of chiral operators Tr \\Phi^3 in {\\cal N}=4 SU(N) supersymmetric Yang-Mills theory to the order g^4 in perturbation theory. We perform explicit calculations using {\\cal N}=1 superspace techniques and find that perturbative corrections to the correlators vanish for all N. While at ord...
['1999-10-26']
4,884
['eng']
['Hashimoto, K', 'Hata, H', 'Moriyama, S']
['Brane Configuration from Monopole Solution in Non-Commutative Super Yang-Mills Theory']
['Particle Physics - Theory']
['gauge field theory, U(2)', 'supersymmetry', 'field equations, monopole', 'membrane model', 'soliton, BPS', 'differential geometry, noncommutative']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910196']
['We study the structure of the monopole configuration in U(2) non-commutative super Yang-Mills theory. Our analysis consists of two steps: solving the BPS equation and then the eigenvalue equation in the non-commutative space. Calculation to the first non-trivial order in the non-commutativity parameter theta shows th...
['1999-10-26']
4,885
['eng']
['Szabo, R J', 'Wheater, John F']
['Bottleneck Surfaces and Worldsheet Geometry of Higher-Curvature Quantum Gravity']
['Particle Physics - Theory']
['quantum gravity', 'derivative, high', 'dimension, 2', 'lattice field theory', 'analytic properties', 'critical phenomena', 'polymer']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910195']
['We describe a simple lattice model of higher-curvature quantum gravity in two dimensions and study the phase structure of the theory as a function of the curvature coupling. It is shown that the ensemble of flat graphs is entropically unstable to the formation of baby universes. In these simplified models the growth ...
['1999-10-26']
4,886
['eng']
['Dhar, A', 'Mandal, G', 'Wadia, S R', 'Yogendran, K P']
['D1/D5 system with B-field, noncommutative geometry and the CFT of the higgs branch']
['Particle Physics - Theory']
['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 1', 'p-brane, 5', 'dimension, 10', 'string model, effective action', 'supersymmetry', 'gauge field theory', 'Higgs model', 'symmetry, spontaneously broken', 'bound state', 'field theory, conformal', 'differential geometry, noncommutative', 'supergravity',...
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910194']
['The D1/D5 system is considered in the presence of the NS B field. An explicit supergravity solution in the asymptotically flat and near horizon limits is presented. Explicit mass formulae are presented in both cases. This solution has no D3 source branes and represents a true bound state of the D1/D5 system. We study...
['1999-10-26']
4,887
['eng']
['Zwart, G T']
['U-duality of Born-Infeld Theory']
['Particle Physics - Theory']
['talk, Paris 1999/09/01', 'talk, Moscow 1999/05/27', 'Born-Infeld model', 'duality, SL(5,Z)', 'duality, U-duality', 'membrane model', 'string model', 'gauge field theory, U(N)', 'quantization, BPS', 'mass spectrum, BPS']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910193']
['String theory compactified on a three-torus possesses an SL(5,Z) U-duality group. We investigate the realisation of this symmetry on the Born-Infeld theory on a three-brane, and discuss a U-duality covariant formulation of the BPS sector of the theory where the rank of the gauge group is treated on an equal footing w...
['1999-10-26']
4,888
['eng']
['Nishimura, M', 'Tanii, Y']
['Local Symmetries in the $AdS_{7} / CFT_{6}$ Correspondence']
['Particle Physics - Theory']
['supergravity', 'space-time, anti-de Sitter', 'dimension, 7', 'dimension, 6', 'field theory, conformal', 'boundary condition']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910192']
['It is shown that local symmetry transformations of the maximal AdS supergravity in seven-dimensional anti de Sitter space induce those of the N=(2,0) conformal supergravity on the six-dimensional boundary at infinity. Boundary values of the AdS supergravity fields form a supermultiplet of the conformal supergravity.'...
['1999-10-26']
4,889
['eng']
['Govaerts, J']
['Quantisation and Gauge Invariance']
['Particle Physics - Theory']
['talk, Cotonou 1999/10/31', 'quantization', 'operator, algebra', 'algebra, Heisenberg', 'phase space', 'invariance, gauge', 'gauge field theory, U(1)', 'Chern-Simons term']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910191']
['Recent developments concerning canonical quantisation and gauge invariant quantum mechanical systems and quantum field theories are briefly discussed. On the one hand, it is shown how diffeomorphic covariant representations of the Heisenberg algebra over curved manifolds of non trivial topology involve topology class...
['1999-10-26']
4,890
['eng']
['Akemann, G', 'Damgaard, P H']
['On Finite-Volume Gauge Theory Partition Functions']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'fermion', 'partition function', 'boundary condition', 'charge, topological']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910190']
['We prove a Mahoux-Mehta--type theorem for finite-volume partition functions of SU(N_c\\geq 3) gauge theories coupled to fermions in the fundamental representation. The large-volume limit is taken with the constraint V << 1/m_{\\pi}^4. The theorem allows one to express any k-point correlation function of the microscop...
['1999-10-26']
4,891
['eng']
['Kim, S P', 'Santana, A E', 'Khanna, F C']
['Generalized Invariants and Quantum Evolution of Open Fermionic System']
['Particle Physics - Theory']
['astrophysics, model', 'field theory, scalar', 'fermion, matter', 'coupling constant, time dependence', 'external field', 'field theory, open', 'fermion, pair production', 'operator']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910189']
['Open systems acquire time-dependent coupling constants through interaction with an external field or environment. We generalize the Lewis-Riesenfeld invariant theorem to open system of quantum fields after second quantization. The generalized invariants and thereby the quantum evolution are found explicitly for time-...
['1999-10-26']
4,892
['eng']
['Buchbinder, I L', 'Gitman, D M', 'Krykhtin, V A', 'Pershin, V D']
['Equations of Motion for Massive Spin 2 Field Coupled to Gravity']
['Particle Physics - Theory']
['gravitation', 'field theory, tensor', 'field theory, massive', 'spin, 2', 'any-dimensional', 'field equations', 'background field', 'string model', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910188']
["We derive consistent equations of motion for the massive spin two field interacting with gravity and massless scalar dilaton field in arbitrary spacetime dimension. From the field theoretical point of view we describe the most general classical action with non-minimal couplings and find the most general gravitational...
['1999-10-26']
4,893
['eng']
['Blasone, M', 'Jizba, P']
['Quantum Field Theory of Topological Defects as Inhomogeneous Condensates']
['Particle Physics - Theory']
['talk, Erice 1999/08/29', 'topology, defect', 'phi**n model, 4', 'dimension, 2', 'dimension, 4', 'finite temperature', 'kink', 'Haag expansion', 'vortex', 'condensation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910187']
['In the framework of the Closed-Time-Path formalism, we show how topological defects may arise in Quantum Field Theory as result of a localized (inhomogeneous) condensation of particles. We demonstrate our approach on two examples; kinks in the $2D \\lambda \\psi^{4}$ theory (both at zero and finite temperature) and v...
['1999-10-26']
4,894
['eng']
['Nicolaevici, N']
['One loop fermion contribution to the effective potential for constant SU(2) Yang-Mills fields']
['Particle Physics - Theory']
['gauge field theory, SU(2)', 'effective potential, expansion', 'fermion, doublet', 'fermion, massive']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910186']
['We obtain a series expansion for the one loop contribution to the effective potential evaluated for constant gauge potentials in the SU(2) theory with a massive fermionic doublet. The series converges for bounded electric fields in terms of the magnetic fields and the gauge potentials. It turns out that fermion pair ...
['1999-10-26']
4,895
['eng']
['Wang, B', 'Abdalla, Elcio']
['Holography in (2+1)-dimensional cosmological models']
['Particle Physics - Theory']
['astrophysics, model', 'dimension, 3', 'holography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910185']
['The cosmic holographic principle suggested by Fischler and Susskind has been examined in (2+1)-dimensional cosmological models. Analogously to the (3+1)-dimensional counterpart, the holographic principle is satisfied in all flat and open universes. For (2+1)-dimensional closed universes the holographic principle cann...
['1999-10-26']
4,896
['eng']
['Aganagic, M', 'Karch, A']
['Calabi-Yau Mirror Symmetry as a Gauge Theory Duality']
['Particle Physics - Theory']
['talk, Potsdam 1999/07/19', 'symmetry, mirror', 'dimension, 3', 'supersymmetry', 'gauge field theory', 'dimension, 2', 'sigma model, nonlinear', 'space, Calabi-Yau', 'duality', 'moduli space']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910184']
['We show that there are two different dualities of two dimensional gauge theories with N=(2,2) supersymmetry. One is basically a consequence of 3d mirror symmetry. The non-linear sigma model with Calabi-Yau target space on the Higgs branch of the gauge theory is mapped into an equivalent non-linear sigma model on the ...
['1999-10-26']
4,897
['eng']
['Chaudhuri, S', 'Chen, Y', 'Novak, E G']
['Pair Correlation Function of Wilson Loops']
['Particle Physics - Theory']
['membrane model, D-brane', 'membrane model, p-brane', 'path integral', 'dependence, gauge', 'Wilson loop', 'correlation function', 'effective potential', 'string']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910183']
['We give a path integral prescription for the pair correlation function of Wilson loop observables on the worldvolume of a Dbrane in the bosonic string theory in flat spacetime. We determine the coefficient of the 1/R term in the static heavy quark potential from the static pair correlation function of Wilson lines at...
['1999-10-25']
4,898
['eng']
['Shapere, A D', 'Vafa, C']
['BPS Structure of Argyres-Douglas Superconformal Theories']
['Particle Physics - Theory']
['string model', 'field theory, conformal', 'dimension, 2', 'supersymmetry', 'field theory, Calabi-Yau', 'soliton', 'geometry, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910182']
['We study geometric engineering of Argyres-Douglas superconformal theories realized by type IIB strings propagating in singular Calabi-Yau threefolds. We use this construction to count the degeneracy of light BPS states under small perturbations away from the conformal point, by computing the degeneracy of D3-branes w...
['1999-10-25']
4,899
['eng']
['Katz, S', 'Klemm, A D', 'Vafa, C']
['M-Theory, Topological Strings and Spinning Black Holes']
['Particle Physics - Theory']
['M-theory', 'string model, topological', 'spontaneous compactification', 'field theory, Calabi-Yau', 'black hole, spin', 'entropy', 'membrane model', 'soliton, BPS', 'geometry, algebra', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910181', 'http://pascal.intlpress.com/journals/ATMP/archive/']
["We consider M-theory compactification on Calabi-Yau threefolds. The recently discovered connection between the BPS states of wrapped M2 branes and the topological string amplitudes on the threefold is used both as a tool to compute topological string amplitudes at higher genera as well as to unravel the degeneracies ...
['1999-10-25']