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 |
|---|---|---|---|---|---|---|---|---|
7,500 | ['eng'] | ['Astashkevich, A', 'Nekrasov, N A', 'Schwarz, A'] | ['On noncommutative Nahm transform'] | ['Particle Physics - Theory'] | ['instanton', 'geometry, noncommutative', 'torus', 'Nahm transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810147'] | ['Motivated by the recently observed relation between the physics of $D$-branes in the background of $B$-field and the noncommutative geometry we study the analogue of Nahm transform for the instantons on the noncommutative torus.'] | ['1998-10-21'] |
7,501 | ['eng'] | ['Jevicki, A', 'Kazama, Y', 'Yoneya, T'] | ['Generalized Conformal Symmetry in D-Brane Matrix Models'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model, D-brane', 'gauge field theory, Yang-Mills', 'supersymmetry', 'symmetry, conformal', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810146'] | ['We study in detail the extension of the generalized conformal symmetry proposed previously for D-particles to the case of supersymmetric Yang-Mills matrix models of Dp-branes for arbitrary p. It is demonstrated that such a symmetry indeed exists both in the Yang-Mills theory and in the corresponding supergravity back... | ['1998-10-21'] |
7,502 | ['eng'] | ['Colatto, L P', "D'Andrade, M A", 'Toppan, F'] | ['Matrix-Spacetimes and a 2D Lorentz-Covariant Calculus in Any Even Dimension'] | ['Particle Physics - Theory'] | ['space-time', 'invariance, Lorentz', 'invariance, conformal', 'operator, Dirac', 'algebra, Clifford', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810145'] | ['A manifestly Lorentz-covariant calculus based on two matrix-coordinates and their associated derivatives is introduced. It allows formulating relativistic field theories in any even-dimensional spacetime. The construction extends a single-coordinate matrix formalism based on coupling spacetime coordinates with the co... | ['1998-10-20'] |
7,503 | ['eng'] | ['Lee, D S', 'McGraw, P N', 'Ng, Y J', 'Shovkovy, I A'] | ['The effective potential of composite fields in weakly coupled QED in a uniform external magnetic field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, weak coupling', 'effective potential', 'model, composite', 'magnetic field, external field', 'symmetry breaking, chiral', 'fermion, mass', 'Jona-Lasinio-Nambu model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810144'] | ['The effective potential for the composite fields responsible for chiral symmetry breaking in weakly coupled QED in a magnetic field is derived. The global minimum of the effective potential is found to acquire a non-vanishing expectation value of the composite fields that leads to generating the dynamical fermion mas... | ['1998-10-20'] |
7,504 | ['eng'] | ['Bastianelli, F'] | ['Mode Regularization of the Configuration Space Path Integral for a Particle in Curved Space'] | ['Particle Physics - Theory'] | ['talk, Florence 1998/08/25', 'space-time', 'path integral', 'regularization', 'ghost', 'effective potential', 'Schroedinger equation', 'potential, scalar', 'heat kernel'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810143'] | ["The proper definition and evaluation of the configuration space path integral for the motion of a particle in curved space is a notoriously tricky problem. We discuss a consistent definition which makes use of an expansion in Fourier sine series of the particle paths. Salient features of the regularization are the Le... | ['1998-10-20'] |
7,505 | ['eng'] | ['Cvetic, M'] | ['Microscopics of Rotating Black Holes'] | ['Particle Physics - Theory'] | ['talk, Boston 1998/03/22', 'talk, Santa Barbara 1998/06/22', 'talk, Buckow 1998/09/01', 'black hole, rotational', 'dimension, 4-6', 'geometry, horizon', 'entropy', 'field theory, conformal', 'sigma model, conformal', 'decoupling', 'string model, dyon', 'coupling, minimal', 'black hole, parametrization', 'black hole, p... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810142'] | ['We review the status of microscopic counting of rotating black hole degrees of freedom. We present two complementary approaches which both utilize the near-horizon geometry and precisely reproduce the Bekenstein Hawking entropy for near-extreme rotating black holes in D=4 and D=5. The first one, proposed by Strominge... | ['1998-10-20'] |
7,506 | ['eng'] | ['Hammer, H'] | ['Semigroup extensions of isometry groups of flat spacetimes compactified over lightlike lattices'] | ['Particle Physics - Theory'] | ['space-time, lattice', 'spontaneous compactification', 'group theory, representation', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810141'] | ['We examine some peculiarities of the subset of lattice preserving elements in a pseudo-Euclidean group, when the lattice under consideration contains a lightlike vector, or more generally, when the restriction of a pseudo-Euclidean metric to the real linear enveloppe of the lattice is not definite. For the case of a ... | ['1998-10-20'] |
7,507 | ['eng'] | ['Mukherji, S', 'Panda, S'] | ['Boundary Fluctuations of AdS String'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 3', 'string model', 'space-time, anti-de Sitter', 'effective action', 'fluctuation', 'invariance, conformal', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810140'] | ['We analyse the world-sheet perturbations of string theory formulated around $AdS_3$ background. We identify a set of operators that, while added to the world-sheet action, generate the boundary fluctuations of $AdS_3$. The effect of these operators can be collectively defined in terms of Liouville field living on the... | ['1998-10-20'] |
7,508 | ['eng'] | ['Pashaev, O K', 'Lee, J H'] | ['Resonance NLS Solitons as Black Holes in Madelung Fluid'] | ['Particle Physics - Theory'] | ['black hole', 'Schroedinger equation, nonlinear', 'resonance, interaction', 'space-time, anti-de Sitter', 'model, fluid', 'diffusion', 'gravitation, gauge fixing', 'energy, density', 'dispersion relations', 'model, hydrodynamical', 'soliton, topological', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810139'] | ['A new resonance version of NLS equation is found and embedded to the reaction-diffusion system, equivalent to the anti-de Sitter valued Heisenberg model, realizing a particular gauge fixing condition of the Jackiw-Teitelboim gravity. The space-time points where dispersion change the sign correspond to the event horiz... | ['1998-10-20'] |
7,509 | ['eng'] | ['Ribaric, M', 'Sustersic, L'] | ['Framework for a theory that underlies the standard model'] | ['Particle Physics - Theory'] | ['unified field theory', 'field equations', 'field theory, action', 'quantum electrodynamics', 'fermion, propagator', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810138'] | ['We put forward the following, physically motivated premise for constructing a theory that underlies the standard model in four-dimensional space-time: The Euler-Lagrange equations of such a theory formally resemble some equations of motion underlying fluid-dynamics equations in the kinetic theory of gases. Following ... | ['1998-10-20'] |
7,510 | ['eng'] | ['Gates, S J', 'Kuzenko, S M'] | ['The CNM-Hypermultiplet Nexus'] | ['Particle Physics - Theory'] | ['model, chiral', 'sigma model, nonlinear', 'supersymmetry, superspace', 'field equations, solution', 'differential geometry, Kaehler', 'effective action', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810137'] | ['We consider additional properties of CNM (chiral-nonminimal) models. We show how 4D, N = 2 nonlinear sigma-models can be described solely in terms of N = 1 superfield CNM doublets. These actions are described by a Kahler potential together with an infinite number (in the general case) of terms involving its successiv... | ['1998-10-20'] |
7,511 | ['eng'] | ['Kimura, T'] | ['Self-Duality of Super D3-brane Action on $AdS_{5} x S^{5}$ Background'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'dimension, 10', 'space-time, anti-de Sitter', 'space-time, sphere', 'supersymmetry', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810136'] | ['We show that the super D3-brane action on $AdS_5 \\times S^5$ background recently constructed by Metsaev and Tseytlin is exactly invariant under the combination of the electric-magnetic duality transformation of the worldvolume gauge field and the SO(2) rotaion of N=2 spinor coordinates. The action is shown to satisf... | ['1998-10-20'] |
7,512 | ['eng'] | ['Satoh, Y'] | ['BTZ black holes and the near-horizon geometry of higher-dimensional black holes'] | ['Particle Physics - Theory'] | ['black hole, higher-dimensional', 'geometry, horizon', 'membrane model, p-brane', 'entropy', 'cross section, absorption', 'field theory, scalar', 'partial wave', 'string model', 'field theory, conformal', 'space-time, anti-de Sitter', 'dimension, 2', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810135'] | ['We investigate the connection between the BTZ black holes and the near-horizon geometry of higher-dimensional black holes. Under mild conditions, we show that (i) if a black hole has a global structure of the Reissner-Nordstrom black hole type, its near-horizon geometry is $AdS_2$ times a sphere, and further (ii) if ... | ['1998-10-20'] |
7,513 | ['eng'] | ['Brustein, Ram'] | ['Duality in String Cosmology'] | ['Particle Physics - Theory'] | ['talk, Rehovot 1998/04/08', 'talk, Vancouver 1998/07/23', 'talk, Corfu 1998/09/21', 'astrophysics, model', 'string model', 'duality, time dependence', 'effective action, correction', 'derivative, high', 'inflationary universe', 'energy spectrum', 'particle, production'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810134'] | ['Scale factor duality, a truncated form of time dependent T-duality, is a symmetry of string effective action in cosmological backgrounds interchanging small and large scale factors. The symmetry suggests a cosmological scenario ("pre-big-bang") in which two duality related branches, an inflationary branch and a decel... | ['1998-10-20'] |
7,514 | ['eng'] | ['Soldati, R', 'Sorbo, L'] | ['Effective action for Dirac spinors in the uniform electromagnetic background fields'] | ['Particle Physics - Theory'] | ['talk, Florence 1998/08/25', 'quantum electrodynamics', 'fermion', 'background field', 'effective action', 'path integral', 'pair production'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810133'] | ["Some new expressions are found, concerning the effective action as a regularized path-integral for Dirac's spinors in {\\it 3+1} dimensions, in the presence of general uniform (i.e., constant and homogeneous) electric and magnetic fields. The rate of $e^+e^-$ pairs production is computed and briefly discussed."] | ['1998-10-20'] |
7,515 | ['eng'] | ['Diaconescu, D E', 'Gomis, J P'] | ['Neveu-Schwarz Five-Branes at Orbifold Singularities and Holography'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'supersymmetry', 'orbifold', 'boundary condition', 'string model', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810132'] | ['We consider Type IIB Neveu-Schwarz five-branes transverse to C^2/Z_n orbifolds and conjecture that string theory on the near horizon geometry is dual to the decoupled theory on the branes. We analyze the conformal field theory describing the near horizon region and the world volume non-critical string theory. The mod... | ['1998-10-19'] |
7,516 | ['eng'] | ['Alfaro, J', 'Urrutia, L F'] | ['Berezin integration on noncompact supermanifolds'] | ['Particle Physics - Theory'] | ['supersymmetry, superspace', 'integration, measure'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810130'] | ['An heuristic derivation of the tranformation law for the Berezin integration measure in noncompact supermanifolds, obtained by Roshstein \\cite{Ro}, is presented.'] | ['1998-10-19'] |
7,517 | ['eng'] | ['Kachru, S', 'Silverstein, E'] | ['On Vanishing Two Loop Cosmological Constants in Nonsupersymmetric Strings'] | ['Particle Physics - Theory'] | ['string model', 'astrophysics, fundamental constant', 'supersymmetry', 'partition function', 'invariance, modular'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810129'] | ['It has recently been suggested that in certain special nonsupersymmetric type II string compactifications, at least the first two perturbative contributions to the cosmological constant $\\Lambda$ vanish. Support for perturbative vanishing beyond 1-loop (as well as evidence for the absence of some nonperturbative con... | ['1998-10-19'] |
7,518 | ['eng'] | ['Ooguri, H', 'Skenderis, K'] | ['On the field theory limit of D-instantons'] | ['Particle Physics - Theory'] | ['instanton', 'dilaton', 'axion', 'string model', 'supersymmetry', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810128'] | ['We show that the dilaton/axion configuration near the instantons in type IIB superstring theory preserves 32 supercharges. An implication of this result to the IIB Matrix Model is discussed.'] | ['1998-10-19'] |
7,519 | ['eng'] | ['Donini, Andrea', 'Gabrielli, E', 'Gavela, M B'] | ['Quenched Supersymmetry'] | ['Particle Physics - Lattice'] | ['supersymmetry, symmetry breaking', 'gauge field theory, SU(N)', 'effect, quenching', 'symmetry, U(1|1)', 'anomaly', 'effective Lagrangian', 'mass spectrum', 'expansion 1/N, color'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-lat&id=9809111'] | ['We study the effects of quenching in Super-Yang-Mills theory. While supersymmetry is broken, the lagrangian acquires a new flavour $U(1 \\mid 1)$ symmetry. The anomaly structure thus differs from the unquenched case. We derive the corresponding low-energy effective lagrangian. As a consequence, we predict the mass sp... | ['1998-09-16'] |
7,520 | ['eng'] | ['Girardello, L', 'Petrini, M', 'Porrati, Massimo', 'Zaffaroni, A'] | ['Novel Local CFT and Exact Results on Perturbations of N=4 Super Yang Mills from AdS Dynamics'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'gauge field theory, Yang-Mills', 'deformation', 'supersymmetry', 'expansion 1/N', 'dimension, 10', 'space-time, anti-de Sitter', 'spinor, Killing', 'supergravity', 'dimension, 5', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810126'] | ["We find new, local, non-supersymmetric conformal field theories obtained by relevant deformations of the N=4 super Yang Mills theory in the large N limit. We also show that marginal deformations with dimensions that remain finite in the limit of large 't Hooft parameter do not give rise to any conformal fixed point."... | ['1998-10-19'] |
7,521 | ['eng'] | ['Marnelius, R', 'Sandström, N'] | ['Basics of BRST quantization on inner product spaces'] | ['Particle Physics - Theory'] | ['quantization, Becchi-Rouet-Stora', 'operator, algebra', 'phase space', 'wave function', 'transformation, gauge', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810125'] | ['There are two elaborated abstract forms of BRST quantization on inner product spaces within the operator formalism. Both leads to BRST invariant states of the form |ph>=e^{[Q,\\psi]} |\\phi> where \\psi is a gauge fixing fermion, and where |\\phi> is a BRST invariant state determined by simple hermitian conditions. T... | ['1998-10-19'] |
7,522 | ['eng'] | ['Cvetic, M', 'Lü, H', 'Pope, C N'] | ['Spacetimes of Boosted $p$-branes, and CFT in Infinite-momentum Frame'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 2', 'p-brane, 3', 'p-brane, 5', 'field theory, conformal', 'M-theory', 'soliton', 'partial wave'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810123'] | ['We study the spacetimes of the near-horizon regions in D3-brane, M2-brane and M5-brane configurations, in cases where there is a pp-wave propagating along a direction in the world-volume. While non-extremal configurations of this kind locally have the same Carter-Novotny-Horsky-type metrics as those without the wave,... | ['1998-10-16'] |
7,523 | ['eng'] | ['Balaz, A', 'Belic, A', 'Bogojevi@7c, A R'] | ['Improved Gaussian Approximation'] | ['Particle Physics - Theory'] | ['talk, Studenica 1998/09/25', 'field theory, scalar', 'Gauss approximation', 'dimension, 0', 'n-point function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810122'] | ['In a recently developed approximation technique for quantum field theory the standard one-loop result is used as a seed for a recursive formula that gives a sequence of improved Gaussian approximations for the generating functional. In this paper we work with the generic $\\phi^3+\\phi^4$ model in $d=0$ dimensions. W... | ['1998-10-16'] |
7,524 | ['eng'] | ['Bogojevi@7c, A R', 'Popovic, D'] | ['The Measure from Schwinger-Dyson Equations'] | ['Particle Physics - Theory'] | ['talk, Studenica 1998/09/25', 'Dyson-Schwinger equation', 'path integral, measure'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810121'] | ['We review a new prescription for calculating the Lagrangian path integral measure directly from the Hamiltonian Schwinger-Dyson equations. The method agrees with the usual way of deriving the measure in which one has to perform the path integration over momenta.'] | ['1998-10-16'] |
7,525 | ['eng'] | ['Bogojevi@7c, A R', 'Sazdovíc, B', 'Miskovic, O'] | ['The Role of Conformal Symmetry in Abelian Bosonization of the Massive Thirring Model'] | ['Particle Physics - Theory'] | ['lectures, Studenica 1998/09/25', 'Thirring model, massive', 'dimension, 2', 'symmetry, conformal', 'bosonization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810120'] | ['We show equivalence between the massive Thirring model and the sine-Gordon theory by gauge fixing a wider gauge invariant theory in two different ways. The exact derivation of the equivalence hinges on the existence of an underlying conformal symmetry. Previous derivations were all perturbative in mass (althought to ... | ['1998-10-16'] |
7,526 | ['eng'] | ['Bastianelli, F', 'Corradini, O'] | ['On Mode Regularization of the Configuration Space Path Integral in Curved Space'] | ['Particle Physics - Theory'] | ['Schroedinger equation', 'space-time', 'path integral', 'regularization', 'perturbation theory, higher-order', 'higher-order, 3', 'time, discrete'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810119'] | ['The path integral representation of the transition amplitude for a particle moving in curved space has presented unexpected challenges since the introduction of path integrals by Feynman fifty years ago. In this paper we discuss and review mode regularization of the configuration space path integral, and present a th... | ['1998-10-16'] |
7,527 | ['eng'] | ['McKeon, D G C', 'Sherry, T N'] | ['Aspects of the Supersymmetry Algebra in Four Dimensional Euclidean Space'] | ['Particle Physics - Theory'] | ['field theory, Euclidean', 'supersymmetry, algebra', 'algebra, Clifford', 'dimension, 4', 'dimension, 6', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810118'] | ["The simplest supersymmetry (SUSY) algebra in four dimensional Euclidean space ($4dE$) has been shown to closely resemble the $N = 2$ SUSY algebra in four dimensional Minkowski space ($4dM$). The structure of the former algebra is examined in greater detail in this paper. We first present its Clifford algebra structur... | ['1998-10-16'] |
7,528 | ['eng'] | ['Simionato, M'] | ['Gauge Consistent Wilson Renormalization Group'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion, flavor', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'perturbation theory, higher-order', 'renormalization group', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810117'] | ['We give a wilsonian formulation of non-abelian gauge theories explicitly consistent with axial gauge Ward identitities. The issues of unitarity and dependence on the quantization direction are carefully investigated. A wilsonian computation of the one-loop QCD beta function is performed.'] | ['1998-10-16'] |
7,529 | ['eng'] | ['Hofman, C M', 'Verlinde, Erik'] | ['U-Duality of Born-Infeld on the Noncommutative Two-Torus'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'space-time, torus', 'dimension, 2', 'differential geometry, noncommutative', 'duality, SO(2,2,Z)', 'soliton, BPS', 'mass'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810116'] | ['We discuss Born-Infeld on the noncommutative two-torus as a description of compactified string theory. We show that the resulting theory, including the fluctuations, is manifestly invariant under the T-duality group SO(2,2;Z). The BPS mass even has a full SL(3,Z)xSL(2,Z) U-duality symmetry. The direct identification ... | ['1998-10-16'] |
7,530 | ['eng'] | ['Schalm, K E', 'van Nieuwenhuizen, P'] | ['Trace anomalies and the string-inspired definition of quantum-mechanical path integrals in curved space'] | ['Particle Physics - Theory'] | ['space-time', 'quantum mechanics', 'path integral', 'sigma model, nonlinear', 'space-time', 'anomaly, conformal', 'perturbation theory, higher-order', 'dimension, 2', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810115'] | ['We consider quantum-mechanical path integrals for non-linear sigma models on a circle defined by the string-inspired method of Strassler, where one considers periodic quantum fluctuations about a center-of-mass coordinate. In this approach one finds incorrect answers for the local trace anomalies of the corresponding... | ['1998-10-16'] |
7,531 | ['eng'] | ['Haba, Z'] | ['Stochastic quantum field dynamics in the proper time'] | ['Particle Physics - Theory'] | ['quantization, stochastic', 'wave function, relativistic', 'Schroedinger equation', 'scattering amplitude', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810114'] | ['We consider a quantization of relativistic wave equations which allows to treat quantum fields together with interacting particles at a finite time. We discuss also a dissipative interaction with the environment. We introduce a stochastic wave function whose dynamics is determined by a non-linear Schrödinger-type evo... | ['1998-10-16'] |
7,532 | ['eng'] | ['Bouwknegt, P G', 'Schoutens, K'] | ['Exclusion Statistics in Conformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'statistics, quasiparticle', 'fermion', 'Wess-Zumino-Witten model', 'model, minimal', 'parastatistics', 'central charge', 'symmetry, SU(N)', 'symmetry, SO(N)', 'symmetry, Sp(N)', 'symmetry, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810113'] | ['We systematically study the exclusion statistics for quasi-particles for Conformal Field Theory spectra by employing a method based on recursion relations for truncated spectra. Our examples include generalized fermions in c<1 unitary minimal models, Z_k parafermions, and spinons for the su(n)_1, so(n)_1 and sp(2n)_1... | ['1998-10-16'] |
7,533 | ['eng'] | ['Filippov, A T', 'Isaev, A P'] | ['Path-Integral for Quadratic Hamiltonian Systems and Boundary Conditions'] | ['Particle Physics - Theory'] | ['talk, Florence 1998/08/25', 'path integral', 'Hamiltonian formalism', 'phase space', 'heat kernel', 'string, propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810112'] | ['A path-integral representation for the kernel of the evolution operator of general Hamiltonian systems is reviewed. We study the models with bosonic and fermionic degrees of freedom. A general scheme for introducing boundary conditions in the path-integral is given. We calculate the path-integral for the systems with... | ['1998-10-16'] |
7,534 | ['eng'] | ['Duan, Y', 'Jiang, Y', 'Yang, G'] | ['The topological quantization and the branch process of the ($k-1$)-dimensional topological defects'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'quantization, topological', 'topology, defect', 'current, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810111'] | ['In the light of $\\phi$-mapping method and topological current theory, the topological structure and the topological quantization of arbitrary dimensional topological defects are obtained under the condition that the Jacobian $J(\\phi/v) \\neq 0$. When $J(\\phi/v)=0$, it is shown that there exist the crucial case of ... | ['1998-10-16'] |
7,535 | ['eng'] | ['Lee, K'] | ['Sheets of BPS Monopoles and Instantons with Arbitrary Simple Gauge Group'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'monopole', 'instanton', 'fluctuation', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810110'] | ['We show that the BPS configurations of uniform field strength can be interpreted as those for sheets of infinite number of BPS magnetic monopoles, and found that the number of normalizable zero modes per each magnetic monopole charge is four. We identify monopole sheets as the intersecting planes of D3 branes. Simila... | ['1998-10-16'] |
7,536 | ['eng'] | ['Bagger, Jonathan A', 'Galperin, A'] | ['Linear and Nonlinear Supersymmetries'] | ['Particle Physics - Theory'] | ['talk, Dubna 1997/07/22', 'supersymmetry', 'symmetry, spontaneously broken', 'representation, nonlinear', 'coset space', 'supergravity', 'multiplet', 'effect, Higgs'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810109'] | ['In this talk we use nonlinear realizations to study the spontaneous partial breaking of rigid and local supersymmetry.'] | ['1998-10-15'] |
7,537 | ['eng'] | ['Faber, M', 'Ivanov, A N', 'Müller, A', 'Troitskaya, N I', 'Zach, M P'] | ['Confinement potential in dual Monopole Nambu-Jona-Lasinio model with dual Dirac strings'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'duality', 'string model, fluctuation', 'potential, confinement', 'magnetic monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810108'] | ['Interquark confinement potential is calculated in the dual Monopole Nambu-Jona-Lasinio model with dual Dirac strings as a functional of a dual Dirac string length. The calculation is carried out by the explicit integration over quantum fluctuations of a dual-vector field (monopole-antimonopole collective excitation) ... | ['1998-10-15'] |
7,538 | ['eng'] | ['Gaite, J'] | ['Entropic C theorems in free and interacting two-dimensional field theories'] | ['Particle Physics - Theory'] | ['entropy', 'dimension, 2', 'space-time, cylinder', 'finite temperature', 'renormalization group, c-function', 'Gauss model', 'Ising model', 'correction, finite size', 'thermodynamics, Bethe ansatz', 'tensor, energy-momentum', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810107'] | ["The relative entropy in two-dimensional Field Theory is studied on a cylinder geometry, interpreted as finite-temperature field theory. The width of the cylinder provides an IR scale that allows us to define a dimensionless relative entropy analogous to Zamolodchikov's c function. The 1d quantum thermodynamic entropy... | ['1998-10-15'] |
7,539 | ['eng'] | ['Alves, V S', 'Gomes, M J', 'Pinheiro, S V L', 'Silva, A J'] | ['The Perturbative Gross Neveu Model Coupled to a Chern-Simons Field'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'Chern-Simons term', 'dimension, 3', 'renormalization group', 'renormalization, dimensional', 'operator, dimension', 'n-point function', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810106'] | ['In 2+1 dimensions, for low momenta, using dimensional renormalization we study the effect of a Chern-Simons field on the perturbative expansion of fermions self interacting through a Gross Neveu coupling. For the case of just one fermion field, we verify that the dimension of operators of canonical dimension lower th... | ['1998-10-15'] |
7,540 | ['eng'] | ['Cappelli, A P', 'Georgiev, L S', 'Todorov, I T'] | ['A Unified Conformal Field Theory Description of Paired Quantum Hall States'] | ['Particle Physics - Theory'] | ['Hall effect', 'field theory, conformal', 'partition function', 'invariance, modular', 'orbifold, Z(2)', 'algebra, lattice', 'symmetry, SU(2)', 'unitarity', 'operator product expansion', 'algebra, chiral', 'current algebra, U(1) x U(1)', 'central charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810105'] | ['The wave functions of the Haldane-Rezayi paired Hall state have been previously described by a non-unitary conformal field theory with central charge c=-2 and by the c=1 unitary theory of the Weyl fermion. We show that these descriptions are equivalent by establishing a local mapping between the two sets of fields an... | ['1998-10-15'] |
7,541 | ['eng'] | ['Morris, T R'] | ['A manifestly gauge invariant exact renormalization group'] | ['Particle Physics - Theory'] | ['lectures, Faro 1998/09/10', 'renormalization group', 'gauge field theory, SU(N)', 'expansion 1/N', 'invariance, gauge', 'effective action, nonperturbative', 'path integral', 'Wilson loop', 'regularization, Pauli-Villars'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810104'] | ['In these lectures we describe the construction of a gauge invariant renormalization group equation for pure non-Abelian gauge theory. In the process, a non-perturbative gauge invariant continuum Wilsonian effective action is precisely defined. The formulation makes sense without gauge fixing and thus manifest gauge i... | ['1998-10-15'] |
7,542 | ['eng'] | ['Lovas, I', 'Sailer, K', 'Greiner, W'] | ['Generalized Rarita-Schwinger Equations'] | ['Particle Physics - Theory'] | ['Rarita-Schwinger equation, solution', 'spin, 3/2', 'isospin, 3/2', 'nucleon resonance, Delta', 'Walecka model', 'Dirac equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810103'] | ['The Rarita-Schwinger equations are generalised for the delta baryon having spin 3/2 and isospin 3/2. The coupling of the nucleon and the delta fields is studied. A possible generalisation of the Walecka model is proposed.'] | ['1998-10-15'] |
7,543 | ['eng'] | ['Alvarez, Enrique', 'Gómez, C'] | ['The Holographic Principle and the Renormalization Group'] | ['Particle Physics - Theory'] | ['talk, Salamanca 1998/09/22', 'holography', 'renormalization group, c-function', 'field theory, conformal', 'space, sphere'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810102'] | ['We prove a c-theorem for holographic theories.'] | ['1998-10-15'] |
7,544 | ['eng'] | ['Plyushchay, M S'] | ['Comment on "The relativistic particle with curvature and torsion of world trajectory"'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'torsion', 'tachyon', 'gauge fixing', 'spin', 'mass'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810101'] | ['Gogilidze and Surovtsev have claimed recently (hep-th/9809191) that the tachyonic sector can be removed from the spectrum of the relativistic particle with curvature and torsion by a proper gauge choice. We show that the mass-spin dependence obtained by them is incorrect and point out that their gauge surface does no... | ['1998-10-15'] |
7,545 | ['eng'] | ['Stichel, P C'] | ['Dynamical Equivalence, Commutation Relations and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'quantization', 'quantum mechanics', 'algebra, commutation relations', 'differential geometry, noncommutative', 'symmetry, rotational', 'model, oscillator', 'field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810100'] | ["We revisit Wigner's question about the admissible commutation relations for coordinate and velocity operators given their equations of motion (EOM). In more general terms we want to consider the question of how to quantize dynamically equivalent Hamiltonian structures. A unique answer can presumably be given in those... | ['1998-10-15'] |
7,546 | ['eng'] | ['Brace, D', 'Morariu, B', 'Zumino, B'] | ['Dualities of the Matrix Model from T-Duality of the Type II String'] | ['Particle Physics - Theory'] | ['matrix model', 'duality', 'string model', 'quantization, light cone', 'discrete', 'gauge field theory, Yang-Mills', 'supersymmetry', 'spontaneous compactification', 'fibre bundle', 'torus, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810099'] | ['We investigate in the Matrix theory framework, the subgroup of dualities of the DLCQ of M-theory compactified on three-tori, which corresponds to T-duality in the auxiliary Type II string theory. We show how these dualities are realized in the supersymmetric Yang-Mills gauge theories on dual noncommutative three-tori... | ['1998-10-15'] |
7,547 | ['eng'] | ['Kato, Y', 'Nojiri, S', 'Sugamoto, A'] | ['D0-brane description of the charged black hole'] | ['Particle Physics - Theory'] | ['black hole, charge', 'membrane model, D-brane', 'matrix model', 'Kaluza-Klein model', 'effective Lagrangian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810097'] | ['The charged black hole is considered from the viewpoint of D0-brane in the Matrix theory. It can be obtained from the Kaluza-Klein mechanism by boosting the Schwarzschild black hole in a circle, which is the compactified one dimensional space. Especially, how the extremal limit is realized by the Boltzmann gas of D0-... | ['1998-10-15'] |
7,548 | ['eng'] | ['Hamada, K', 'Sugino, F'] | ['Background-metric Independent Formulation of 4D Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'measure', 'field theory, scalar', 'operator, higher-order', 'action, induced', 'scaling, operator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810095'] | ['Using the background-metric independence for the traceless mode as well as the conformal mode, 4D quantum gravity is described as a quantum field theory defined on a non-dynamical background-metric. The measure then induces an action with 4 derivatives. So we think that 4-th order gravity is essential and the Einstei... | ['1998-10-15'] |
7,549 | ['eng'] | ['Dzhunushaliev, V D', 'Singleton, D'] | ['Quantization of spherically symmetric solution of SU(3) Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'field equations, solution', 'symmetry, rotational', 'quantization', 'confinement', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810094'] | ['A recent investigation of the SU(3) Yang-Mills field equations found several classical solutions which exhibited a type of confinement due to gauge fields which increased without bound as $r \\to \\infty$. This increase of the gauge fields gave these solutions an infinite field energy, raising questions about their p... | ['1998-10-15'] |
7,550 | ['eng'] | ['Antonuccio, F'] | ['How "Complex" is the Dirac Equation?'] | ['Particle Physics - Theory'] | ['Dirac equation', 'group theory, Lorentz', 'group theory, representation', 'group theory, embedding', 'spinor', 'group theory, SO(3,3)', 'parity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810093'] | ['A representation of the Lorentz group is given in terms of 4 X 4 matrices defined over a simple non-division algebra. The transformation properties of the corresponding four component spinor are studied, and shown to be equivalent to the transformation properties of the usual complex Dirac spinor. As an application, ... | ['1998-10-15'] |
7,551 | ['eng'] | ['Callan, C G', 'Guijosa, A', 'Savvidy, G K'] | ['Baryons and String Creation from the Fivebrane Worldvolume Action'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'Born-Infeld model', 'string model', 'Wess-Zumino-Witten model', 'supersymmetry', 'space-time, anti-de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810092'] | ['We construct BPS-exact solutions of the worldvolume Born-Infeld plus WZW action of a D5-brane in the background of N D3-branes. The non-trivial background metric and RR five-form field strength play a crucial role in the solution. When a D5-brane is dragged across a stack of N D3-branes a bundle of N fundamental stri... | ['1998-10-14'] |
7,552 | ['eng'] | ['Kharchev, S'] | ['Kadomtsev-Petviashvili Hierarchy and Generalized Kontsevich Model'] | ['Particle Physics - Theory'] | ['review', 'field theory, conformal', 'Kontsevich model', 'integrability', 'potential', 'partition function', 'Kadomtsev-Petviashvili equation, hierarchy', 'quasiclassical', 'Landau-Ginzburg model, topological', 'algebra, Virasoro', 'matrix model', 'tau-function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810091'] | ['The review is devoted to the integrable properties of the Generalized Kontsevich Model which is supposed to be an universal matrix model to describe the conformal field theories with $c<1$. It is shown that the deformations of the "monomial" phase to "polynomial" one have the natural interpretation in context of so-c... | ['1998-10-14'] |
7,553 | ['eng'] | ['Klemm, D'] | ['BPS Black Holes in Gauged N=4, D=4 Supergravity'] | ['Particle Physics - Theory'] | ['black hole, charge', 'black hole, BPS', 'gauge field theory, SU(2) x SU(2)', 'supergravity', 'dimension, 4', 'supersymmetry', 'axion', 'dimension, 10', 'dimension, 11', 'string model', 'M-theory', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810090'] | ["We find solutions of the bosonic sector of gauged N=4, D=4 SU(2) $\\times$ SU(2) supergravity, which represent dilaton black holes with toroidal or spherical event horizons. The axion is consistently truncated, and the gauge group is broken to U(1) $\\times$ U(1). The spherical black holes carry two electric and two ... | ['1998-10-14'] |
7,554 | ['eng'] | ['Horan, R', 'Lavelle, M J', 'McMullan, D'] | ['Charges in Gauge Theories'] | ['Particle Physics - Theory'] | ['electromagnetic interaction', 'charged particle', 'pair production', 'perturbation theory, higher-order', 'propagator', 'factorization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810089'] | ["In this article we investigate charged particles in gauge theories. After reviewing the physical and theoretical problems, a method to construct charged particles is presented. Explicit solutions are found in the Abelian theory and a physical interpretation is given. These solutions and our interpretation of these va... | ['1998-10-14'] |
7,555 | ['eng'] | ['Quandt, M', 'Reinhardt, H', 'Schäfke, A'] | ['Magnetic Monopoles and Topology of Yang-Mills Theory in Polyakov Gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Weyl gauge', 'Polyakov gauge', 'topology', 'magnetic monopole', 'domain wall', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810088'] | ['We express the Pontryagin index in Polyakov gauge completely in terms of magnetically charged gauge fixing defects, namely magnetic monopoles, lines, and domain walls. Open lines and domain walls are topologically equivalent to monopoles, which are the genuine defects. The emergence of non-genuine magnetically charge... | ['1998-10-14'] |
7,556 | ['eng'] | ['Broadhurst, D J', 'Kreimer, D'] | ['Renormalization automated by Hopf algebra'] | ['Particle Physics - Theory'] | ['renormalization', 'algebra, Hopf', 'Feynman graph', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810087'] | ["It was recently shown that the renormalization of quantum field theory is organized by the Hopf algebra of decorated rooted trees, whose coproduct identifies the divergences requiring subtraction and whose antipode achieves this. We automate this process in a few lines of recursive symbolic code, which deliver a fini... | ['1998-10-14'] |
7,557 | ['eng'] | ['Hasselmann, K'] | ['The metron model'] | ['Particle Physics - Theory'] | ['space-time', 'unified field theory', 'soliton', 'atomic physics, spectra', 'gauge field theory', 'fermion', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810086'] | ["A conceptual summary is given of a deterministic unified field and particle theory (the metron model) developed in more mathematical detail in a four-part paper published in Physics Essays (1996/97). The model is developed from Einsteins vacuum gravitational equations, Ricci tensor $R_{LM}=0$, in a higher dimensional... | ['1998-10-14'] |
7,558 | ['eng'] | ['Staruszkiewicz, A J'] | ['Quantum Mechanics of the Electric Charge'] | ['Particle Physics - Theory'] | ['talk, Columbia 1992/12/10', 'charge, electric', 'magnetic monopole', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810084'] | ['A simple argument against the existence of magnetic monopoles is given. The argument is an important part of the quantum theory of the electric charge developed by the author.'] | ['1998-10-14'] |
7,559 | ['eng'] | ['Rybakov, Yu P', 'Tarabay, A M', 'Chugunov, Yu G'] | ['Vortex-like Structures in the Skyrme-Einstein Chiral Model'] | ['Particle Physics - Theory'] | ['Skyrme model, chiral', 'gravitation', 'vortex', 'symmetry, SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9902062'] | ['A regular method is suggested for constructing vortex-like solutions with cylindrical symmetry in the Skyrme-Einstein chiral model. The method is based on the expansion of metric and field functions in power series with respect to the two small parameters entering the model. The length mass density of the vortex is e... | ['1999-02-10'] |
7,560 | ['eng'] | ['Pando-Zayas, L A'] | ['Duality in the BTZ Black Hole and the Statistical Entropy'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'entropy, statistical', 'space-time, asymptotic behavior', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810083'] | ["In Strominger's proposal for the computation of the statistical entropy of black holes based on the asymptotic symmetry analysis of Brown and Henneaux a fundamental role is played by the asymptotic conditions that the considered metric must satisfy at infinity. Here it is shown that T-duality does not preserve such c... | ['1998-10-13'] |
7,561 | ['eng'] | ['Sokolov, A I', 'Orlov, E V', 'Ulkov, V A', 'Kashtanov, S S'] | ['Renormalized coupling constants for the three-dimensional n-vector model from field theory'] | ['Particle Physics - Theory'] | ['model, vector', 'dimension, 3', 'renormalization group', 'symmetry, O(N)', 'coupling constant', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810082'] | ['The field-theoretical renormalization group approach in three dimensions is used to estimate the universal critical values of renormalized coupling constants g_6 and g_8 for the O(n)-symmetric model. The RG series for g_6 and g_8 are calculated in the four-loop and three-loop approximations respectively and then resu... | ['1998-10-13'] |
7,562 | ['eng'] | ['Howe, Paul S', 'Raetzel, O', 'Rudychev, I', 'Sezgin, E'] | ['L-branes'] | ['Particle Physics - Theory'] | ['membrane model', 'multiplet, linear', 'embedding', 'differential forms', 'dimension, 7-9', 'torsion', 'Bianchi identity', 'superspace', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810081'] | ['The superembedding approach to $p$-branes is used to study a class of $p$-branes which have linear multiplets on the worldvolume. We refer to these branes as L-branes. Although linear multiplets are related to scalar multiplets (with 4 or 8 supersymmetries) by dualising one of the scalars of the latter to a $p$-form ... | ['1998-10-13'] |
7,563 | ['eng'] | ['Schrör, B'] | ['QFT at the Turn of the Century'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'algebra, von Neumann', 'algebra, C*', 'invariance, modular', 'S-matrix', 'invariance, diffeomorphism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810080'] | ["Historical aspects as well as the present state of QFT are analysed from a new viewpoint whose mathematical basis is the modular theory of von Neumann algebras. Its physical consequences suggest a new symmetry concept as well as a novel way of dealing nonperturbatively with interactions. The former generalizes the in... | ['1998-10-13'] |
7,564 | ['eng'] | ['Slobodenyuk, V A'] | ['Examples of potentials with convergent Schwinger-DeWitt expansion'] | ['Particle Physics - Theory'] | ['potential', 'Schroedinger equation', 'Schwinger-DeWitt expansion', 'charge, quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810079'] | ['Convergence of the Schwinger --- DeWitt expansion for the evolution operator kernel for special class of potentials is studied. It is shown, that this expansion, which is in general case asymptotic, converges for the potentials considered (widely used, in particular, in one-dimensional many-body problems), and beside... | ['1998-10-13'] |
7,565 | ['eng'] | ['Grigore, D R'] | ['The Standard Model and its Generalisations in Epstein-Glaser Approach to Renormalisation Theory'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'spin, 1', 'quantization, 1', 'operator, algebra', 'invariance, gauge', 'gauge field theory, Yang-Mills', 'mass', 'Higgs model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810078'] | ['We continue our study of non-Abelian gauge theories in the framework of Epstein-Glaser approach to renormalisation theory. We consider the case when massive spin-one Bosons are present into the theory and we modify appropriately the analysis of the origin of gauge invariance performed in a preceding paper in the case... | ['1998-10-13'] |
7,566 | ['eng'] | ['Kalayci, J', 'Nutku, Y'] | ['Alternative bi-Hamiltonian structures for WDVV equations of associativity'] | ['Particle Physics - Theory'] | ['field theory, topological', 'dimension, 2', 'operator, algebra', 'commutation relations', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810076'] | ['The WDVV equations of associativity in 2-d topological field theory are completely integrable third order Monge-Ampère equations which admit bi-Hamiltonian structure. The time variable plays a distinguished role in the discussion of Hamiltonian structure whereas in the theory of WDVV equations none of the independent... | ['1998-10-13'] |
7,567 | ['eng'] | ['Lowe, D A'] | ['Constraints on Higher Derivative Operators in the Matrix Theory Effective Lagrangian'] | ['Particle Physics - Theory'] | ['matrix model', 'supergravity', 'symmetry, SU(N)', 'effective Lagrangian', 'constraint', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810075'] | ['The consistency of Matrix theory with supergravity requires that in the large N_c limit terms of order v^4 in the SU(N_c) Matrix effective potential are not renormalized beyond one loop in perturbation theory. For SU(2) gauge group, the required non-renormalization theorem was proven recently by Paban, Sethi and Ster... | ['1998-10-13'] |
7,568 | ['eng'] | ['Ardalan, Farhad', 'Arfaei, H', 'Sheikh-Jabbari, S'] | ['Noncommutative Geometry from Strings and Branes'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'spectra, BPS', 'spontaneous compactification, torus', 'geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810072'] | ['Noncommutative torus compactification of M(atrix) model is shown to be a direct consequence of quantization of the open strings attached to a D-membrane with a non-vanishing background $B$ field. We calculate the BPS spectrum of such a brane system using both string theory results and DBI action. The DBI action leads... | ['1998-10-13'] |
7,569 | ['eng'] | ['Major, S A'] | ['Embedded graph invariants in Chern-Simons theory'] | ['Particle Physics - Theory'] | ['gauge field theory', 'Chern-Simons term', 'Wilson loop', 'graph theory', 'operator, vertex', 'invariance, gauge', 'symmetry, SU(2)', 'mathematical methods, variational'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810071'] | ['Chern-Simons gauge theory, since its inception as a topological quantum field theory, has proved to be a rich source of understanding for knot invariants. In this work the theory is used to explore the definition of the expectation value of a network of Wilson lines - an embedded graph invariant. Using a slight gener... | ['1998-10-13'] |
7,570 | ['eng'] | ['Volkov, M S', 'Galtsov, D V'] | ['Gravitating Non-Abelian Solitons and Black Holes with Yang-Mills Fields'] | ['Particle Physics - Theory'] | ['review', 'soliton', 'gravitation', 'black hole, nonabelian', 'gauge field theory, nonabelian', 'Einstein equation', 'symmetry, axial', 'Lambda parameter', 'stability', 'magnetic monopole', 'sphaleron', 'Skyrmion', 'stability', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810070'] | ['We present a review of gravitating particle-like and black hole solutions with non-Abelian gauge fields. The emphasis is given to the description of the structure of the solutions and to the connection with the results of flat space soliton physics. We describe the Bartnik-McKinnon solitons and the non-Abelian black ... | ['1998-10-13'] |
7,571 | ['eng'] | ['Rama, S K', 'Sathiapalan, B'] | ['The Hagedorn Transition, Deconfinement and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['string model', 'critical phenomena', 'gauge field theory, Yang-Mills', 'finite temperature', 'space-time, anti-de Sitter', 'field theory, conformal', 'black hole', 'Wilson loop', 'confinement', 'vortex, condensation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810069'] | ['A connection between the Hagedorn transition in string theory and the deconfinement transition in (non-supersymmetric) Yang-Mills theory is made using the AdS/CFT correspondence. We modify the model of zero temperature QCD proposed by Witten by compactifying an additional space-time coordinate with supersymmetry brea... | ['1998-10-13'] |
7,572 | ['eng'] | ['Shifman, M', 'Vainshtein, A I', 'Voloshin, M B'] | ['Anomaly and quantum corrections to solitons in two-dimensional theories with minimal supersymmetry'] | ['Particle Physics - Theory'] | ['soliton, mass', 'supersymmetry', 'dimension, 2', 'anomaly', 'central charge', 'Witten index', 'regularization', 'sine-Gordon model', 'quantization, correction', 'kink', 'energy, density'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810068'] | ['We revisit the issue of the soliton mass in two-dimensional models with N =1 supersymmetry. The superalgebra has a central extension, and at the classical level the soliton solution preserves 1/2 of supersymmetry which is equivalent to BPS saturation. We prove that the property of BPS saturation, i.e. the equality of... | ['1998-10-12'] |
7,573 | ['eng'] | ['Ferreira, L A', 'Leite, E E'] | ['Integrable theories in any dimension and homogeneous spaces'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'integrability', 'any-dimensional', 'conservation law', 'field theoretical model, CP(N-1)', 'coset space', 'symmetry, SU(2)', 'symmetry, SL(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810067'] | ['We construct local zero curvature representations for non-linear sigma models on homogeneous spaces, defined on a space-time of any dimension, following a recently proposed approach to integrable theories in dimensions higher than two. We present some sufficient conditions for the existence of integrable submodels po... | ['1998-10-12'] |
7,574 | ['eng'] | ['Barcelos-Neto, J', 'Das, A'] | ['Effective Actions for 0+1 Scalar QED and its SUSY Generalization at $T\\neq 0$'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, scalar', 'dimension, 1', 'effective action', 'supersymmetry', 'finite temperature'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810065'] | ['We compute the effective actions for the 0+1 dimensional scalar field interacting with an Abelian gauge background, as well as for its supersymmetric generalization at finite temperature.'] | ['1998-10-12'] |
7,575 | ['eng'] | ['Sharpe, E'] | ['Kähler Cone Substructure'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'stability', 'duality', 'fibre bundle', 'differential forms, Kaehler', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810064', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ["To define a consistent perturbative geometric heterotic compactification the bundle is required to satisfy a subtle constraint known as ``stability,'' which depends upon the Kahler form. This dependence upon the Kahler form is highly nontrivial---the Kahler cone splits into subcones, with a distinct moduli space of b... | ['1998-10-12'] |
7,576 | ['eng'] | ['Ferrara, Sergio', 'Porrati, Massimo', 'Zaffaroni, A'] | ['N=6 Supergravity on $AdS_{5}$ and the $SU(2,2/3)$ Superconformal Correspondence'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'dimension, 5', 'group theory, SU(3) x U(1)', 'gauge field theory, Yang-Mills', 'operator, chiral', 'duality, transformation', 'coupling constant', 'field theory, conformal', 'symmetry, SU(2,2/N)', 'hidden symmetry', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810063'] | ["It is argued that N=6 supergravity on $AdS_5$, with gauge group $SU(3)\\times U(1)$ corresponds, at the classical level, to a subsector of the ``chiral'' primary operators of N=4 Yang-Mills theories. This projection involves a ``duality transformation'' of N=4 Yang-Mills theory and therefore can be valid if the coupl... | ['1998-10-12'] |
7,577 | ['eng'] | ['Brihaye, Y', 'Tomaras, T N'] | ['The Goldstone model static solutions on $S^{1}$'] | ['Particle Physics - Theory'] | ['Goldstone model', 'dimension, 2', 'field equations, solution', 'stability', 'soliton, topological', 'bifurcation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810061'] | ['We study in a systematic way all static solutions of the Goldstone model in 1+1 dimension with a periodicity condition on the spatial coordinate. The solutions are presented in terms of the standard trigonometric functions and of Jacobi elliptic functions. Their stability analysis is carried out, and the complete lis... | ['1998-10-12'] |
7,578 | ['eng'] | ['Peñalba, J P'] | ['The Principle of Equivalence as a Guide towards Matrix Theory Compactifications'] | ['Particle Physics - Theory'] | ['matrix model', 'string model', 'spontaneous compactification', 'gauge field theory, U(N)', 'supersymmetry', 'dimension, 6', 'equivalence principle', 'gravitation', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810060'] | ['The principle of equivalence is translated into the language of the world-volume field theories that define matrix and string theories. This idea leads to explore possible matrix descriptions of M-theory compactifications. An interesting case is the relationship between D=6 N=1 U(M) SYM and Matrix Theory on K3.'] | ['1998-10-12'] |
7,579 | ['eng'] | ['Feigin, B L', 'Semikhatov, A M'] | ['Free-Field Resolutions of the Unitary N=2 Super-Virasoro Representations'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry', 'algebra, representation', 'cohomology, Becchi-Rouet-Stora', 'operator, screening', 'Verma module', 'bosonization', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810059'] | ["We construct free-field resolutions of unitary representations of the N=2 superconformal algebra. The irreducible representations are singled out from free-field spaces as the cohomology of fermionic screening operators. We construct and evaluate the cohomology of the resolution associated with one fermionic screenin... | ['1998-10-09'] |
7,580 | ['eng'] | ['Tyutin, I V', 'Zeitlin, V'] | ['Collective Excitations in Thermal $QED_{3+1}$ : Survival of the Fittest'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'dispersion', 'propagator', 'fermion, excited state', 'plasma'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810058'] | ['The spectrum of collective fermionic excitations in a finite temperature QED_{3+1} is studied in different regimes. It is shown that within the standard perturbation approach the one-loop dispersion equation, besides the ordinary one-particle excitation, has four new solutions. The additional excitations are gauge-de... | ['1998-10-09'] |
7,581 | ['eng'] | ['Kim, C'] | ['Wilson Renormalization Group and Continuum Effective Field Theories'] | ['Particle Physics - Theory'] | ['lectures, Seoul 1998/06/23', 'renormalization group', 'effective action', 'field theory, scalar', 'decoupling', 'mass, factorization', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810056'] | ['This is an elementary introduction to Wilson renormalization group and continuum effective field theories. We first review the idea of Wilsonian effective theory and derive the flow equation in a form that allows multiple insertion of operators in Green functions. Then, based on this formalism, we prove decoupling an... | ['1998-10-09'] |
7,582 | ['eng'] | ['Kim, W T'] | ['$AdS_{2}$ and quantum stability in the CGHS model'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 2', 'black hole', 'back reaction', 'radiation, Hawking', 'quantum mechanics', 'vacuum state', 'dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810055'] | ['The two-dimensional anti-de Sitter space(AdS_2) is constructed in terms of the CGHS model. The geometric solutions are composed of the AdS vacuum and the AdS black hole which are locally equivalent but distinguishable by their mass. The infalling classical fields do not play any role but the quantum back reaction is ... | ['1998-10-09'] |
7,583 | ['eng'] | ['Gao, Y', 'Li, M'] | ['Large N Strong/Weak Coupling Phase Transition and the Correspondence Principle'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'critical phenomena', 'finite temperature', 'expansion 1/N', 'temperature, Hawking', 'black hole', 'field theory, conformal', 'space, sphere'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810053'] | ["We argue that the large N strong/weak phase transition is a generic phenomenon in a finite temperature supersymmetric Yang-Mills theory of maximal supersymmetry. N=4, D=4 SYM is the canonical example, where we also argue that the large N Hawking-Page phase transition disappears for a sufficiently small coupling. The ... | ['1998-10-09'] |
7,584 | ['eng'] | ['Chalmers, G', 'Schalm, K E'] | ['The large $N_c$ limit of Four-point functions in N=4 super Yang-Mills theory from Anti-de Sitter Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'n-point function, 4', 'gauge field theory, Yang-Mills', 'unitarity', 'graviton', 'transformation, gauge', 'factorization', 'expansion 1/N, color'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810051'] | ['We compute the imaginary part of scalar four-point functions in the AdS/CFT correspondence relevant to N=4 super Yang-Mills theory. We find that unitarity of the AdS supergravity demands that the imaginary parts of the correlation functions factorize into products of lower-point functions. We include the exchange dia... | ['1998-10-09'] |
7,585 | ['eng'] | ['Becker, K', 'Becker, M'] | ['Quantum Gravity Corrections for Schwarzschild Black Holes'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'dimension, 11', 'matrix model', 'potential', 'quantum gravity, correction', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810050'] | ['We consider the Matrix theory proposal describing eleven-dimensional Schwarzschild black holes. We argue that the Newtonian potential between two black holes receives a genuine long range quantum gravity correction, which is finite and can be computed from the supergravity point of view. The result agrees with Matrix... | ['1998-10-08'] |
7,586 | ['eng'] | ['Phillips, D R', 'Beane, S R', 'Birse, M C'] | ['Scheming in Dimensional Regularization'] | ['Particle Physics - Theory'] | ['field theory, nonrelativistic', 'perturbation theory, higher-order', 'regularization, dimensional', 'scaling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810049'] | ['We consider the most general loop integral that appears in non-relativistic effective field theories with no light particles. The divergences of this integral are in correspondence with simple poles in the space of complex space-time dimensions. Integrals related to the original integral by subtraction of one or more... | ['1998-10-08'] |
7,587 | ['eng'] | ['Fernández, V I', 'Naón, C M'] | ['Path-integral formulation of backward and umklapp scattering for 1d spinless fermions'] | ['Particle Physics - Theory'] | ['talk, Chelyabinsk 1998/08/03', 'fermion', 'dimension, 2', 'field theory, Euclidean', 'partition function', 'determinant', 'bosonization', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810048'] | ['We present a (1+1)-dimensional fermionic QFT with non-local couplings between currents. This model describes an ensemble of spinless fermions interacting through forward, backward and umklapp scattering processes. We express the vacuum to vacuum functional in terms of a non trivial fermionic determinant. Using path-i... | ['1998-10-08'] |
7,588 | ['eng'] | ['Martin, I', 'Restuccia, A'] | ['On Some Stability Properties of Compactified D=11 Supermembranes'] | ['Particle Physics - Theory'] | ['talk, Dubna 1997/07/22', 'membrane model', 'supersymmetry', 'dimension, 11', 'spontaneous compactification', 'magnetic monopole', 'Riemann surfaces', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810047'] | ['We desribe the minimal configurations of the bosonic membrane potential, when the membrane wraps up in an irreducible way over $S^{1}\\times S^{1}$. The membrane 2-dimensional spatial world volume is taken as a Riemann Surface of genus $g$ with an arbitrary metric over it. All the minimal solutions are obtained and d... | ['1998-10-08'] |
7,589 | ['eng'] | ['Niégawa, A'] | ['Out of Equilibrium Relativistic Quantum Field Theory'] | ['Particle Physics - Theory'] | ['path integral', 'field theory, scalar', 'n-point function', 'perturbation theory, higher-order', 'regularization', 'finite temperature', 'critical phenomena, chiral', 'condensation, chiral', 'sigma model, O(N)', 'linear', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810043'] | ["This paper describes perturbative framework, on the basis of closed-time-path formalism, for studying quasiuniform relativistic quantum field systems near equilibrium and nonequilibrium quasistationary systems. At the first part, starting from first principles, we construct perturbative schemes for relativistic compl... | ['1998-10-08'] |
7,590 | ['eng'] | ['Bakas, Ioannis', 'Floratos, Emmanuel G', 'Kehagias, A A'] | ['Octonionic gravitational instantons'] | ['Particle Physics - Theory'] | ['gravitation, instanton', 'dimension, 8', 'holonomy, Spin(7)', 'duality', 'algebra, octonion', 'dimension, 10', 'dimension, 11', 'string model', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810042'] | ['We construct eight-dimensional gravitational instantons by solving appropriate self-duality equations for the spin-connection. The particular gravitational instanton we present has $Spin(7)$ holonomy and, in a sense, it is the eight-dimensional analog of the Eguchi-Hanson 4D space. It has a removable bolt singularity... | ['1998-10-07'] |
7,591 | ['eng'] | ['Cowdall, P M'] | ['On Gauged Maximal Supergravity In Six Dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, SO(5)', 'dimension, 7', 'dimensional reduction', 'dimension, 6', 'coupling constant, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810041'] | ['The bosonic sector of maximal SO(5) gauged D=7 supergravity is dimensionally reduced to six dimensions yielding a new SO(5) gauged D=6 model. It is shown that, unlike in D=7, the SO(5) gauge coupling constant can be taken to zero to yield the bosonic sector of the maximally extended supergravity in six dimensions.'] | ['1998-10-07'] |
7,592 | ['eng'] | ['Buchbinder, I L', 'Kuzenko, S M', 'Ovrut, B A'] | ['Covariant Harmonic Supergraphity for N = 2 Super Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['talk, Dubna 1997/07/22', 'gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'superspace, harmonic', 'quantization', 'background field', 'renormalization', 'field theory, finite', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810040'] | ['We review the background field method for general N = 2 super Yang-Mills theories formulated in the N = 2 harmonic superspace. The covariant harmonic supergraph technique is then applied to rigorously prove the N=2 non-renormalization theorem as well as to compute the holomorphic low-energy action for the N = 2 SU(2)... | ['1998-10-07'] |
7,593 | ['eng'] | ['Fatibene, L', 'Ferraris, M', 'Francaviglia, M', 'Raiteri, M'] | ['Remarks on Noether charges and black holes entropy'] | ['Particle Physics - Theory'] | ['charge, Noether', 'black hole, entropy', 'thermodynamics', 'dimension, 3', 'gauge field theory', 'relativity theory, general', 'black hole, Kerr-Newman', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810039'] | ['We criticize and generalize some properties of Noether charges presented in a paper by V. Iyer and R. M. Wald and their application to entropy of black holes. The first law of black holes thermodynamics is proven for any gauge-natural field theory. As an application charged Kerr-Newman solutions are considered. As a ... | ['1998-10-07'] |
7,594 | ['eng'] | ['Bandos, I A', 'Ivanov, E', 'Kapustnikov, A A', 'Ulanov, S A'] | ['General Solution of String Inspired Nonlinear Equations'] | ['Particle Physics - Theory'] | ['string model, boson', 'differential equations, nonlinear', 'differential equations, solution', 'differential forms', 'any-dimensional', 'space-time, sphere', 'analysis, harmonic', 'sigma model', 'field equations, Liouville'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810038'] | ['We present the general solution of the system of coupled nonlinear equations describing dynamics of $D$--dimensional bosonic string in the geometric (or embedding) approach. The solution is parametrized in terms of two sets of the left- and right-moving Lorentz harmonic variables providing a special coset space reali... | ['1998-10-07'] |
7,595 | ['eng'] | ['Lin, Q'] | ['Electron-positron pair creation in vacuum by an electromagnetic field in 3+1 and lower dimensions'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'electron, pair production', 'electromagnetic field, external field', 'dimension, 4', 'dimension, 3', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810037'] | ['We calculate the probability of electron-positron pair creation in vacuum in 3+1 dimensions by an external electromagnetic field composed of a constant uniform electric field and a constant uniform magnetic field, both of arbitrary magnitudes and directions. The same problem is also studied in 2+1 and 1+1 dimensions ... | ['1998-10-07'] |
7,596 | ['eng'] | ['Menotti, P'] | ['Regge-Liouville action from group theory'] | ['Particle Physics - Theory'] | ['talk, Florence 1998/08/25', 'gravitation', 'field theory, Regge', 'field theory, Liouville', 'dimension, 2', 'lattice field theory', 'invariance, SL(2,C)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810036'] | ["We work out the constraints imposed by SL(2C) invariance for sphere topology and modular invariance for torus topology, on the discretized form of Liouville action in Polyakov's non local covariant form. These are sufficient to completely fix the discretized action except for the overall normalization constant and a ... | ['1998-10-07'] |
7,597 | ['eng'] | ['Kazakov, V A', 'Kostov, Ivan K', 'Nekrasov, N A'] | ['D-particles, Matrix Integrals and KP hierachy'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimensional reduction', 'dimension, 1', 'particle, relativistic', 'supersymmetry', 'matrix model', 'expansion 1/N', 'scaling', 'Kadomtsev-Petviashvili equation, hierarchy', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810035'] | ['We derive the determinant representation and Hirota equations for the regularized correlation functions of the light-like coordinate operators $\\sim matrix models describing $D$-particles in various dimensions. We investigate in great detail the matrix model originally proposed by J. Hoppe and recently encountered i... | ['1998-10-07'] |
7,598 | ['eng'] | ['Cougo-Pinto, M V', 'Farina, C', 'Negrao, M R', 'Tort, A C'] | ['Casimir effect at finite temperature of charged scalar field'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'charge, electric', 'magnetic field, external field', 'finite temperature', 'effect, Casimir', 'pressure'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810033'] | ["The Casimir effect for Dirac as well as for scalar charged particles is influenced by external magnetic fields. It is also influenced by finite temperature. Here we consider the Casimir effect for a charged scalar field under the combined influence of an external magnetic field and finite temperature. The free energy... | ['1998-10-07'] |
7,599 | ['eng'] | ['Morozov, A'] | ['Identities between Quantum Field Theories in Different Dimensions'] | ['Particle Physics - Theory'] | ['talk, Como 1998/09/07', 'string model', 'membrane model', 'field theory, conformal', 'path integral, measure', 'space-time', 'any-dimensional', 'Riemann surfaces', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9810031'] | ['Review of some old and relatively new ideas surrounding the subjects of AdS/CFT correspondence, generalized tau-functions and possible equivalences between a priori different quantum field theories.'] | ['1998-10-07'] |
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