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 |
|---|---|---|---|---|---|---|---|---|
13,100 | ['eng'] | ['Marshakov, A V'] | ['From Nonperturbative SUSY Gauge Theories to Integrable Systems'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'gauge field theory, SU(N)', 'supersymmetry', 'nonperturbative', 'integrability', 'differential forms, symplectic', 'mass spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607159'] | ['I review the appearence of integrable structures in the formulation of exact nonperturbative solutions to $4d$ supersymmetric quantum gauge theories. Various examples of ${\\cal N}\\geq 2$ SUSY Yang-Mills nonperturbative solutions are adequately described in terms of the (deformations of the) finite-gap solutions to ... | ['1996-07-21'] |
13,101 | ['eng'] | ['Barbaro, M B', 'Molinari, A', 'Palumbo, F'] | ['Bosonization and even Grassmann variables'] | ['Particle Physics - Theory'] | ['algebra, Grassmann', 'path integral', 'bosonization', 'field theory, action', 'propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607160'] | ['A new approach to bosonization in relativistic field theories and many-body systems, based on the use of fermionic composites as integration variables in the Berezin integral defining the partition function of the system, is tested. The method is applied to the study of a simplified version of the BCS model.'] | ['1996-07-21'] |
13,102 | ['eng'] | ['Frappat, L', 'Sciarrino, A', 'Sorba, Paul'] | ['Dictionary on Lie Superalgebras'] | ['Particle Physics - Theory'] | ['review', 'algebra, Lie', 'supersymmetry', 'embedding', 'algebra, representation', 'spinor', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607161'] | ['The main definitions and properties of Lie superalgebras are proposed a la facon de a short dictionary, the different items following the alphabetical order. The main topics deal with the structure of simple Lie superalgebras and their finite dimensional representations; rather naturally, a few pages are devoted to s... | ['1996-07-21'] |
13,103 | ['eng'] | ['Seiberg, N', 'Witten, Edward'] | ['Gauge Dynamics And Compactification To Three Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'space-time, R(3) x S(1)', 'dimension, 4', 'dimension, 3', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607163'] | ['We study four dimensional $N=2$ supersymmetric gauge theories on $R^3 \\times S^1$ with a circle of radius $R$. They interpolate between four dimensional gauge theories ($R=\\infty$) and $N=4$ supersymmetric gauge theories in three dimensions ($R=0$). The vacuum structure can be determined quite precisely as a functi... | ['1996-07-21'] |
13,104 | ['eng'] | ['Essler, F H L', 'Frahm, H', 'Korepin, V E'] | ['Determinant representation for a quantum correlation function of the lattice sine-Gordon model'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'regularization, lattice', 'integrability', 'correlation function, determinant', 'continuum limit', 'algebra, Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9512090'] | ['We consider a completely integrable lattice regularization of the sine--Gordon model with discrete space and continuous time. We derive a determinant representation for a correlation function which in the continuum limit turns into the correlation function of local fields.'] | ['1995-12-14'] |
13,105 | ['eng'] | ['Gasperini, M'] | ['Relic gravitons from the pre-big bang'] | ['Particle Physics - Theory'] | ['talk, Geneva 1996/01', 'talk, Rome 1996/06/06', 'talk, Turin 1996/05/03', 'astrophysics, model', 'postulated particle, graviton', 'energy, density', 'perturbation theory', 'string model', 'duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607146'] | ['I discuss the status of present knowledge about a possible background of relic gravitons left by an early, pre-big bang cosmological epoch, whose existence in the past of our Universe is suggested by the duality symmetries of string theory.'] | ['1996-07-19'] |
13,106 | ['eng'] | ['Sethi, S K', 'Stern, M'] | ['A Comment on the Spectrum of H-Monopoles'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification, torus', 'field theory, monopole', 'ground state', 'moduli space', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607145'] | ['We consider the question of ground states in the supersymmetric system that arises in the search for the missing H-monopole states. By studying the effective theory near certain singularities in the five-brane moduli space, we find the remaining BPS states required by the conjectured S-duality of the toroidally compa... | ['1996-07-19'] |
13,107 | ['eng'] | ['Vecchia, P D', 'Lerda, A', 'Magnea, L', 'Marotta, R', 'Russo, R'] | ['Two-loop scalar diagrams from string theory'] | ['Particle Physics - Theory'] | ['phi**n model, 3', 'symmetry, U(N)', 'string model', 'scattering amplitude, tachyon', 'scattering amplitude, higher-order', 'higher-order, 2', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607141'] | ['We show how to obtain correctly normalized expressions for the Feynman diagrams of $\\Phi^3$ theory with an internal $U(N)$ symmetry group, starting from tachyon amplitudes of the open bosonic string, and suitably performing the zero--slope limit by giving an arbitrary mass $m$ to the tachyon. In particular we presen... | ['1996-07-19'] |
13,108 | ['eng'] | ['Kundu, A'] | ['Generation of Integrable Quantum Nonultralocal Model through Braided Yang-Baxter Equation'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'integrability', 'Yang-Baxter equation', 'braid group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607142'] | ['Formulating quantum integrability for nonultralocal models (NM) parallel to the familiar approach of inverse scattering method is a long standing problem. After reviewing our result regarding algebraic structures of ultralocal models, we look for the algebra underlying NM. We propose an universal equation represented... | ['1996-07-19'] |
13,109 | ['eng'] | ['Abramov, V V', 'Kerner, R', 'Roy, B L'] | ['Hypersymmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'symmetry, Z(3)', 'supersymmetry', 'differential geometry, noncommutative', 'algebra, Grassmann', 'algebra, Clifford'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607143'] | ['We propose a generalization of non-commutative geometry and gauge theories based on ternary Z_3-graded structures. In the new algebraic structures we define, we leave all products of two entities free, imposing relations on ternary products only. These relations reflect the action of the Z_3-group, which may be eithe... | ['1996-07-19'] |
13,110 | ['eng'] | ['Lykken, J D'] | ['String Model Building in the Age of D-Branes'] | ['Particle Physics - Theory'] | ['talk, College Park 1996/05/29', 'string model', 'supersymmetry', 'gauge field theory, E(8) x E(8)', 'gauge field theory, SO(32)', 'charge, fractional', 'algebra, Kac-Moody'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607144'] | ['The string duality revolution calls into question virtually all of the working assumptions of string model builders. A number of difficult questions arise. I use fractional charge as an example of a criterion which one would hope is robust beyond the weak coupling heterotic limit. Talk given at the 5th International ... | ['1996-07-19'] |
13,111 | ['eng'] | ['Baulieu, L', 'Rozenberg, A', 'Schaden, M'] | ['Topological Aspects of Gauge Fixing Yang-Mills Theory on $S_4$'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'space-time, sphere', 'topology, effect', 'path integral', 'dependence, gauge', 'Ward identity', 'field theory, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607147'] | ['For an $S_4$ space-time manifold global aspects of gauge-fixing are investigated using the relation to Topological Quantum Field Theory on the gauge group. The partition function of this TQFT is shown to compute the regularized Euler character of a suitably defined space of gauge transformations. Topological properti... | ['1996-07-19'] |
13,112 | ['eng'] | ['Rey, S J'] | ['Cosmological Quantum String Vacua and String-String Duality'] | ['Particle Physics - Theory'] | ['talk, College Park 1996/05/26', 'astrophysics, string', 'duality', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607148'] | ['Implications of string-string dualities to cosmological string vacua are discussed. Cosmological vacua of classical string theories comprise of disjoint classses mapped one another by scale-factor T-duality. Each classes are, however, afflicted with initial/final cosmological singularities. It is argued that quantum ... | ['1996-07-19'] |
13,113 | ['eng'] | ['Niégawa, A'] | ['Screening of mass singularities and finite soft-photon production rate in hot QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'finite temperature', 'quark gluon, plasma', 'photon, production', 'effect, screening', 'mass, singularity', 'energy loss', 'quark, propagator', 'propagator, renormalization', 'radiative correction, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607150'] | ['The production rate of a soft real photon from a hot quark-gluon plasma exhibits unscreened mass singularities, within the hard-thermal-loop resummation scheme. We show that formally still higher-order resummations screen the mass singularities and obtain the finite soft-photon production rate to leading order at log... | ['1996-07-19'] |
13,114 | ['eng'] | ['Das, S R', 'Mathur, S D'] | ['Interactions involving D-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'string model', 'interaction', 'energy levels', 'duality', 'scattering amplitude', 'cross section'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607149'] | ['We investigate some aspects of the spectrum of D-branes and their interactions with closed strings. As argued earlier, a collection of many D-strings behaves, at large dilaton values, as a single multiply wound string. We use this result and T-duality transformations to show that a similar phenomenon occurs for effec... | ['1996-07-19'] |
13,115 | ['eng'] | ['Gasperini, M', 'Veneziano, Gabriele'] | ['Singularity and exit problems in two-dimensional string cosmology'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 2', 'string model', 'astrophysics, model', 'space-time, singularity', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607126'] | ['A broad class of two-dimensional loop-corrected dilaton gravity models exhibit cosmological solutions that interpolate between the string perturbative vacuum and a background with asymptotically flat metric and linearly growing dilaton. The curvature singularities of the corresponding tree-level solutions are smoothe... | ['1996-07-18'] |
13,116 | ['eng'] | ['Mendoza, R', 'Moraes, F'] | ['The partition function of the unit interval'] | ['Particle Physics - Theory'] | ['quantum gravity', 'partition function', 'geometry', 'transformation, diffeomorphism', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607130'] | ['We outline a method of calculation of partition functions of orientable manifolds with fluctuating metric and perform the calculation for the specific case of the unit interval.'] | ['1996-07-18'] |
13,117 | ['eng'] | ['Mayburov, S'] | ['Quantum Space-Time Transformations and Reference Frames States'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/06/06', 'quantum mechanics', 'quantum space', 'quantum gravity', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607127'] | ['We argue that correct account of the quantum properties of macroscopic objects which form reference frames (RF) demand the change of the standard space-time picture accepted in Quantum Mechanics. Galilean or Lorentz space-time transformations are shown to become incorrect in this case and for the description of trans... | ['1996-07-18'] |
13,118 | ['eng'] | ['Obukhov, Yu N', 'Schunck, F E'] | ['Regular solutions in Abelian gauge model'] | ['Particle Physics - Theory'] | ['Landau-Ginzburg model', 'gauge field theory, U(1)', 'Higgs model', 'dimension, 2', 'field equations, solution', 'flux tube', 'energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607128'] | ['The regular solutions for the Ginzburg-Landau (-Nielsen-Olesen) Abelian gauge model are studied numerically. We consider the static isolated cylindrically symmetric configurations. The well known (Abrikosov) vortices, which present a particular example of such solutions, play an important role in the theory of type I... | ['1996-08-08'] |
13,119 | ['eng'] | ['Petersen, J L', 'Rasmussen, J', 'Yu, M'] | ['Fusion, Crossing and Monodromy in Conformal Field Theory Based on $SL(2)$ Current Algebra with Fractional Level'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'current algebra, fusion', 'spin, fractional', 'n-point function', 'analytic properties', 'current algebra, SL(2)', 'monodromy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607129'] | ["Based on our earlier work on free field realizations of conformal blocks for conformal field theories with $SL(2)$ current algebra and with fractional level and spins, we discuss in some detail the fusion rules which arise. By a careful analysis of the 4-point functions, we find that both the fusion rules previously ... | ['1996-07-18'] |
13,120 | ['eng'] | ['Gava, E', 'Jayaraman, T', 'Narain, Kumar S', 'Sarmadi, M H'] | ['D-branes and the Conifold Singularity'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry', 'field theory, Calabi-Yau', 'field theory, soliton', 'perturbation theory, higher-order', 'vertex function', 'operator, string'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607131'] | ["We analyze in detail the description of type IIB theory on a Calabi-Yau three-fold near a conifold singularity in terms of intersecting D-branes. In particular we study the singularity structure of higher derivative $F$-terms of the form $F_g W^{2g}$ where $W$ is the gravitational superfield. This singularity is expe... | ['1996-07-18'] |
13,121 | ['eng'] | ['Schmitt, T'] | ['Supergeometry and Quantum Field Theory, or'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'supersymmetry, superspace', 'differential geometry', 'linear spaces, Hilbert space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607132'] | ['We discuss of the conceptual difficulties connected with the anticommutativity of classical fermion fields, and we argue that the "space" of all classical configurations of a model with such fields should be described as an infinite-dimensional supermanifold M. We discuss the two main approaches to supermanifolds, an... | ['1996-07-18'] |
13,122 | ['eng'] | ['Vasilev, M A'] | ['Higher-Spin Matter Interactions in 2+1 Dimensions'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'field theory, tensor', 'spin, high', 'dimension, 3', 'coupling, matter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607135'] | ['We describe a model of massive matter fields interacting through higher-spin gauge fields in 2+1 dimensional space-time. The two main conclusions are that the parameter of mass $M$ appears as a module characterizing an appropriate vacuum solution of the full non-linear model and that $M$ affects a structure of a glob... | ['1996-07-18'] |
13,123 | ['eng'] | ['Orland, P'] | ['The Metric on the Space of Yang-Mills Configurations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 3', 'dimension, 4', 'Hamiltonian formalism', 'phase space', 'geometry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607134'] | ['A distance function on the set of physical equivalence classes of Yang-Mills configurations considered by Feynman and by Atiyah, Hitchin and Singer is studied for both the $2+1$ and $3+1$-dimensional Hamiltonians. This set equipped with this distance function is a metric space, and in fact a Riemannian manifold as Si... | ['1996-07-18'] |
13,124 | ['eng'] | ['Harris, M G'] | ['The Branching of Graphs in 2-d Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'Feynman graph, higher-order', 'partition function', 'Ising model', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607136'] | ['The branching ratio is calculated for three different models of 2d gravity, using dynamical planar phi-cubed graphs. These models are pure gravity, the D=-2 Gaussian model coupled to gravity and the single spin Ising model coupled to gravity. The ratio gives a measure of how branched the graphs dominating the partiti... | ['1996-07-18'] |
13,125 | ['eng'] | ['Kakushadze, Z', 'Shiu, G', 'Tye, S H Henry'] | ['Asymmetric Non-Abelian Orbifolds and Model Building'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, orbifold', 'particle, multiplet', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607137'] | ['The rules for the free fermionic string model construction are extended to include general non-abelian orbifold constructions that go beyond the real fermionic approach. This generalization is also applied to the asymmetric orbifold rules recently introduced. These non-abelian orbifold rules are quite easy to use. Ex... | ['1996-07-18'] |
13,126 | ['eng'] | ['Kakushadze, Z', 'Tye, S H Henry'] | ['Asymmetric Orbifolds and Grand Unification'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, orbifold', 'grand unified theory', 'current algebra', 'fermion, flavor', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607138'] | ['We generalize the rules for the free fermionic string construction to include other asymmetric orbifolds with world-sheet bosons. We use these rules to construct various grand unified string models that involve level-$3$ current algebras. We present the explicit construction of three classes of $3$-chiral-family gran... | ['1996-07-18'] |
13,127 | ['eng'] | ['Klemm, A D', 'Mayr, Peter', 'Vafa, C'] | ['BPS States of Exceptional Non-Critical Strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, soliton', 'field theory, F-theory', 'field theory, M-theory', 'duality', 'critical phenomena', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607139'] | ['We study the BPS states of non-critical strings which arise for zero size instantons of exceptional groups. This is accomplished by using F-theory and M-theory duals and by employing mirror symmetry to compute the degeneracy of membranes wrapped around 2-cycles of the Calabi-Yau threefold. We find evidence for a numb... | ['1996-07-18'] |
13,128 | ['eng'] | ['Gorbunov, I V', 'Kuzenko, S M', 'Lyakhovich, S L'] | ['On the Minimal Model of Anyons'] | ['Particle Physics - Theory'] | ['coupling, anyon', 'anyon, coupling', 'phase space, minimal', 'background field', 'group theory, Poincare', 'gauge field theory, ISO(2,1)', 'Hamiltonian formalism', 'Lagrangian formalism', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607114'] | ['We present new geometric formulations for the fractional spin particle models on the minimal phase spaces. New consistent couplings of the anyon to background fields are constructed. The relationship between our approach and previously developed anyon models is discussed.'] | ['1996-07-17'] |
13,129 | ['eng'] | ['Fujita, T', 'Yamamoto, K', 'Sekiguchi, Yu'] | ['A new interpretation of Bethe ansatz solutions for massive Thirring model'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'massive, Thirring model', 'dimension, 2', 'Bethe-Salpeter equation, solution', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607115'] | ["We reexamine Bethe ansatz solutions of the massive Thirring model. We solve equations of periodic boundary conditions numerically without referring to the density of states. It is found that there is only one bound state in the massive Thirring model. The bound state spectrum obtained here is consistent with Fujita-O... | ['1996-07-17'] |
13,130 | ['eng'] | ['Arodz, H', 'Hadasz, L'] | ['Backreaction of excitations on a vortex'] | ['Particle Physics - Theory'] | ['vortex, excited state', 'Higgs model, abelian', 'effect, back reaction', 'field equations, nonlinear', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607116'] | ['Excitations of a vortex are usually considered in a linear approximation neglecting their backreaction on the vortex. In the present paper we investigate backreaction of Proca type excitations on a straightlinear vortex in the Abelian Higgs model. We propose exact Ansatz for fields of the excited vortex. From initial... | ['1996-07-17'] |
13,131 | ['eng'] | ['Chiou-Lahanas, C', 'Diamandis, G A', 'Georgalas, B C', 'Kapella-Economou, A E', 'Maintas, X N'] | ['Backreaction Effects in the Two-Dimensional Dilaton Gravity'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 2', 'black hole, static', 'effect, back reaction', 'field theory, scalar', 'effective action', 'radiation, Hawking', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607117'] | ["In this work we find static black hole solutions in the context of the two-dimensional dilaton gravity, which is modified by the addition of an $R^2$ term. This term arises from the one-loop effective action of a massive scalar field in its large mass expansion. The basic feature of this term is that it does not cont... | ['1996-07-17'] |
13,132 | ['eng'] | ['Mironov, A E'] | ['Group Theory Structures Underlying Integrable Systems'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/05/20', 'differential equations, nonlinear', 'differential equations, hierarchy', 'Kadomtsev-Petviashvili equation', 'integrability', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607123'] | ['Different group structures which underline the integrable systems are considered. In some cases, the quantization of the integrable system can be provided with substituting groups by their quantum counterparts. However, some other group structures keep non-deformed in the course of quantizing the integrable system al... | ['1996-07-17'] |
13,133 | ['eng'] | ['Reinhardt, H'] | ['Yang-Mills Theory In Axial Gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'axial gauge', 'Hamiltonian formalism', 'constraint, solution', 'partition function', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607118'] | ["The Yang-Mills functional integral is studied in an axial variant of 't Hooft's maximal Abelian gauge. In this gauge Gau\\ss ' law can be completely resolved resulting in a description in terms of unconstrained variables. Compared to previous work along this line starting with work of Goldstone and Jackiw one ends up... | ['1996-07-17'] |
13,134 | ['eng'] | ['Roshchupkin, S N', 'Zheltukhin, A A'] | ['On a Possibility of Membrane Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model, p-brane', 'model, fluid', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607119'] | ['Tensionless null p-branes in arbitrary cosmological backgrounds are considered and their motion equations are solved. It is shown that an ideal fluid of null p-branes may be considered as a source of gravity for D-dimensional Friedmann- Robertson-Walker universes.'] | ['1996-07-17'] |
13,135 | ['eng'] | ['Poghossian, R H'] | ['Structure Constants in the $N=1$ Super-Liouville Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, Liouville', 'dimension, 2', 'supersymmetry', 'operator, algebra', 'n-point function, 4', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607120'] | ['The symmetry algebra of $N=1$ Super-Liouville field theory in two dimensions is the infinite dimensional $N=1$ superconformal algebra, which allows one to prove, that correlation functions, containing degenerated fields obey some partial linear differential equations. In the special case of four point function, inclu... | ['1996-07-17'] |
13,136 | ['eng'] | ['Buffon, L O', 'Dalmazi, D', 'Zadra, A'] | ['Classical and quantum N=1 super $W_\\infty$-algebras'] | ['Particle Physics - Theory'] | ['algebra, W(infinity)', 'quantum algebra, representation', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607122'] | ['We construct higher-spin N=1 super algebras as extensions of the super Virasoro algebra containing generators for all spins $s\\ge 3/2$. We find two distinct classical (Poisson) algebras on the phase super space. Our results indicate that only one of them can be consistently quantized.'] | ['1996-07-17'] |
13,137 | ['eng'] | ['Aldazabal, G', 'Font, A', 'Ibáñez, L E', 'Uranga, A M'] | ['New Branches of String Compactifications and their F-Theory Duals'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, E(8) x E(8)', 'spontaneous compactification', 'field theory, Calabi-Yau', 'field theory, F-theory', 'geometry, algebra', 'topology', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607121'] | ["We study heterotic $E_8\\times E_8$ models that are dual to compactifications of F-theory and type IIA string on certain classes of elliptically fibered Calabi-Yau manifolds. Different choices for the specific torus in the fibration have heterotic duals that are most easily understood in terms of $E_8\\times E_8$ mod... | ['1996-07-17'] |
13,138 | ['eng'] | ['Heyl, J S', 'Hernquist, L E'] | ['An Analytic Form for the Effective Lagrangian of QED and its Application to Pair Production and Photon Splitting'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'effective Lagrangian, expansion', 'approximation, weak field', 'approximation, strong field', 'photon, pair production', 'electric field, high', 'magnetic field, high', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607124'] | ['We derive an analytic form for the Heisenberg-Euler Lagrangian in the limit where the component of the electric field parallel to the magnetic field is small. We expand these analytic functions to all orders in the field strength ($F_{\\mu\\nu}F^{\\mu\\nu}$) in the limits of weak and strong fields, and use these func... | ['1996-07-17'] |
13,139 | ['eng'] | ['Eguchi, Tohru', 'Hori, K'] | ['$N=2$ Superconformal Field Theories in $4$ Dimensions and A-D-E Classification'] | ['Particle Physics - Theory'] | ['talk, Saclay 1996/06/05', 'field theory, conformal', 'supersymmetry', 'gauge field theory, SU(N)', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607125'] | ['Making use of the exact solutions of the $N=2$ supersymmetric gauge theories we construct new classes of superconformal field theories (SCFTs) by fine-tuning the moduli parameters and bringing the theories to critical points. In the case of SCFTs constructed from pure gauge theories without matter $N=2$ critical poin... | ['1996-07-17'] |
13,140 | ['eng'] | ['Wulkenhaar, R'] | ['The Mathematical Footing of Non-associative Geometry'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'differential geometry, nonassociative', 'algebra, Lie', 'differential forms', 'operator, differential', 'linear spaces, Hilbert space', 'fibre bundle', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607094'] | ['Starting with a Hilbert space endowed with a representation of a unitary Lie algebra and an action of a generalized Dirac operator, we develop a mathematical concept towards gauge field theories. This concept shares common features with the non--commutative geometry à la Connes\\,/\\,Lott, differs from that, however,... | ['1996-07-17'] |
13,141 | ['eng'] | ['Korotkin, D A', 'Samtleben, H'] | ['Quantization of Coset Space Sigma-Models coupled to Two-dimensional Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 2', 'sigma model, nonlinear', 'coset space', 'quantization, constraint', 'Hamiltonian formalism', 'quantum algebra', 'Wheeler-DeWitt equation, solution', 'Knizhnik-Zamolodchikov equation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607095'] | ['The mathematical framework for an exact quantization of the two-dimensional coset space sigma-models coupled to dilaton gravity, that arise from dimensional reduction of gravity and supergravity theories, is presented. This work extends previous results of Korotkin and Nicolai. The two-time Hamiltonian formulation is... | ['1996-07-17'] |
13,142 | ['eng'] | ['Buchbinder, I L', 'Pershin, V D', 'Toder, G B'] | ['On a Gauge Invariant Quantum Formulation for Non-gauge Classical Theory'] | ['Particle Physics - Theory'] | ['gauge field theory', 'Hamiltonian formalism', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607097'] | ['We propose a method of constructing a gauge invariant canonical formulation for non-gauge classical theory which depends on a set of parameters. Requirement of closure for algebra of operators generating quantum gauge transformations leads to restrictions on parameters of the theory. This approach is then applied for... | ['1996-07-17'] |
13,143 | ['eng'] | ['Buchbinder, I L', 'Pershin, V D', 'Toder, G B'] | ['On a Canonical Formulation of String Theory in Massive Background Fields'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/05/20', 'string model', 'background field', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607098'] | ['We propose a method of constructing a gauge invariant canonical formulation for non-gauge classical theory which depends on a set of parameters. Requirement of closure for algebra of operators generating quantum gauge transformations leads to restrictions on parameters of the theory. This approach is then applied to ... | ['1996-07-17'] |
13,144 | ['eng'] | ['Bazhanov, V V', 'Lukyanov, S', 'Zamolodchikov, A B'] | ['Integrable Quantum Field Theories in Finite Volume'] | ['Particle Physics - Theory'] | ['dimension, 2', 'boundary condition', 'integrability', 'quantization', 'Hamiltonian formalism', 'energy levels', 'Yang-Baxter equation', 'R-matrix', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607099'] | ["We develop a method of computing the excited state energies in Integrable Quantum Field Theories (IQFT) in finite geometry, with spatial coordinate compactified on a circle of circumference $R$. The IQFT ``commuting transfer-matrices'' introduced in\\ \\BLZ\\ for Conformal Field Theories (CFT) are generalized to non-... | ['1996-07-17'] |
13,145 | ['eng'] | ['Rajeev, S G'] | ['Non-trivial Fixed Point in Four Dimensional Scalar Field Theory and the Higgs Mass'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, O(N)', 'expansion 1/N', 'symmetry, spontaneously broken', 'Higgs particle, mass', 'perturbation theory, higher-order', 'regularization, zeta function', 'field theory, fixed point'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607100'] | ['We show, using the large $N$ limit, that there is a non--trivial scale invariant action for four dimensional scalar field theory. We investigate the possibility that the scalar sector of the standard model of particle physics has such a scale invariant action, with scale invariance being spontaneously broken by the v... | ['1996-07-17'] |
13,146 | ['eng'] | ['Prakash, J S', 'Sharatchandra, H S'] | ['A Calculus for $SU(3)$ Leading to an Algebraic Formula for Clebsch-Gordan Coefficients'] | ['Particle Physics - Theory'] | ['group theory, SU(3)', 'group theory, representation', 'Clebsch-Gordan coefficients', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607101'] | ["We develop a simple computational tool for $SU(3)$ analogous to Bargmann's calculus for $SU(2)$. Crucial new inputs are, (i) explicit representation of the Gelfand-Zetlin basis in terms of polynomials in four variables and positive or negative integral powers of a fifth variable (ii) an auxiliary Gaussian measure wit... | ['1996-07-17'] |
13,147 | ['eng'] | ['Emparan, R'] | ['Massless black hole pairs in string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective action', 'field equations, solution', 'black hole, massless', 'field theory, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607102'] | ['We analyze the zero mass black holes that arise as classical solutions to low energy heterotic string theory. Though these solutions contain naked singularities, it has been conjectured that they should be allowed in the theory. We find a solution describing a pair of oppositely charged massless black holes in unifor... | ['1996-07-17'] |
13,148 | ['eng'] | ['Frolov, V P', 'Fursaev, D V', 'Zelnikov, A I'] | ['Statistical Origin of Black Hole Entropy in Induced Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'gravitation, induced', 'black hole', 'entropy', 'statistical mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607104'] | ['The statistical-mechanical origin of the Bekenstein-Hawking entropy $S^{BH}$ in the induced gravity is discussed. In the framework of the induced gravity models the Einstein action arises as the low energy limit of the effective action of quantum fields. The induced gravitational constant is determined by the masses ... | ['1996-07-17'] |
13,149 | ['eng'] | ['Ferrara, Sergio', 'Bianchi, M', 'Pradisi, G', 'Sagnotti, A', 'Stanev, Ya S'] | ['Twelve-Dimensional Aspects of Four-Dimensional N=1 Type I Vacua'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, Calabi-Yau', 'supergravity', 'symmetry, O(8)', 'dimension, 4', 'field theory, F-theory', 'dimension, 12', 'potential, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607105'] | ['Four-dimensional supergravity theories are reinterpreted in a 12-dimensional F-theory framework. The O(8) symmetry of N=8 supergravity is related to a reduction of F-theory on T_8, with the seventy scalars formally associated, by O(8) triality, to a fully compactified four-form A_4. For the N=1 type I model recently ... | ['1996-07-17'] |
13,150 | ['eng'] | ['Lechtenfeld, O'] | ['The Self-Dual Critical N=2 String'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'string model, closed', 'supersymmetry', 'quantization', 'n-point function', 'scattering amplitude', 'field theory, instanton', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607106'] | ['I review the covariant quantization of the closed fermionic string with (2,2) extended world-sheet supersymmetry on R^{2,2}. Results on n-point scattering amplitudes are presented, for tree- and one-loop world-sheets with arbitrary Maxwell instanton number. I elaborate the connection between Maxwell moduli, spectral ... | ['1996-07-17'] |
13,151 | ['eng'] | ['Klebanov, Igor R', 'Tseytlin, Arkady A'] | ['Near-extremal black hole entropy and fluctuating 3-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 3', 'membrane model, interaction', 'black hole', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607107'] | ['We discuss the known microscopic interpretations of the Bekenstein-Hawking entropy for configurations of intersecting M-branes. In some cases the entropy scales as that of a massless field theory on the intersection. A different situation, found for configurations which reduce to 1-charge D=5 black holes or 2-charge ... | ['1996-07-17'] |
13,152 | ['eng'] | ['Gibbons, G W', 'Kallosh, R', 'Kol, B'] | ['Moduli, Scalar Charges, and the First Law of Black Hole Thermodynamics'] | ['Particle Physics - Theory'] | ['string model', 'moduli space', 'black hole', 'thermodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607108'] | ['We show that under variation of moduli fields $\\phi$ the first law of black hole thermodynamics becomes $dM = {\\kappa dA\\over 8\\pi} + \\Omega dJ + \\psi dq + that the ADM mass is extremized at fixed $A$, $J$, $(p,q)$ when the moduli fields take the fixed value $\\phi_{\\rm fix}(p,q)$ which depend only on electric... | ['1996-07-17'] |
13,153 | ['eng'] | ["O'Raifeartaigh, Lochlainn", 'Sachs, I', 'Wiesendanger, C'] | ['Weyl-Gauging and Conformal Invariance'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'invariance, conformal', 'invariance, Weyl', 'anomaly, gravitation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607110'] | ['Scale-invariant actions are investigated in curved space to clarify the relation between scale-, Weyl- and conformal invariance. The global Weyl-group is gauged. Then the class of actions is determined for which Weyl-gauging may be replaced by a suitable coupling to the curvature (Ricci gauging). It is shown that thi... | ['1996-07-17'] |
13,154 | ['eng'] | ['Kaku, M'] | ['A Note on the Stability of Quantum Supermembranes'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'quantization', 'Hamiltonian formalism', 'light cone gauge', 'gauge field theory, SU(N)', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607111'] | ['We re-examine the question of the stability of quantum supermembranes. In the past, the instability of supermembranes was established by using a regulator, i.e. approximating the membrane by SU(N) super Yang-Mills theory and letting $N even if we directly examine the continuum theory (b) give heuristic arguments that... | ['1996-07-17'] |
13,155 | ['eng'] | ['Bars, Itzhak'] | ['S-Theory'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'supersymmetry, algebra', 'duality', 'field theory, soliton', 'supergravity', 'field theory, S-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607112'] | ['The representation theory of the maximally extended superalgebra with 32 fermionic and 528 bosonic generators is developed in order to investigate non-perturbative properties of the democratic secret theory behind strings and other p-branes. The presence of Lorentz non-singlet central extensions is emphasized, their ... | ['1996-07-17'] |
13,156 | ['eng'] | ['Ramgoolam, S', 'Thorlacius, L'] | ['D-Branes and Physical States'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'phase space', 'boundary condition', 'duality', 'membrane model, p-brane', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607113'] | ['States obtained by projecting boundary states, associated with D-branes, to fixed mass-level and momentum generically define non-trivial cohomology classes. For on-shell states the cohomology is the standard one, but when the states are off-shell the relevant cohomology is defined using a BRST operator with ghost zer... | ['1996-07-17'] |
13,157 | ['eng'] | ['Donagi, R Y', 'Grassi, A', 'Witten, Edward'] | ['A non-perturbative superpotential with $E_8$ -symmetry'] | ['Particle Physics - Theory'] | ['F-theory', 'M-theory', 'Calabi-Yau', 'spontaneous compactification', 'potential', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607091'] | ['We compute the non-perturbative superpotential in F-theory compactification to four dimensions on a complex three-fold P^1\\times S, where S is a rational elliptic surface. In contrast to examples considered earlier, the superpotential in this case has interesting modular properties; it is essentially an E_8 theta fu... | ['1996-07-15'] |
13,158 | ['eng'] | ['Paschalis, J E', 'Porfyriadis, P I'] | ['The complete Faddeev-Jackiw treatment of the $U_{EM}(1)$ gauged SU(2) WZW model'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory, SU(2)', 'quantization, constraint', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607088'] | ["The two flavour, four dimensional WZW model coupled to electromagnetism, is treated as a constraint system in the context of the Faddeev-Jackiw approach. No approximation is made. Detailed exposition of the calculations is given. Solution of the constraints followed by proper Darboux's transformations leads to an unc... | ['1996-07-15'] |
13,159 | ['eng'] | ['Wulkenhaar, R'] | ['A tour through non-associative geometry'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Higgs model', 'unified field theory', 'differential geometry, noncommutative', 'grand unified theory', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607086'] | ['We develop a mathematical concept towards gauge field theories based upon a Hilbert space endowed with a representation of a unitary Lie algebra and an action of a generalized Dirac operator. This concept shares common features with the non--commutative geometry \\`a la Connes\\,/\\,Lott, differs from that, however, ... | ['1996-07-15'] |
13,160 | ['eng'] | ['Mallik, S', 'Mukherjee, K'] | ['Absence of second order phase transition in $\\lambda \\phi^{4}$ theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature', 'propagator', 'perturbation theory, higher-order', 'renormalization group', 'infrared problem', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607087'] | ['We calculate the self-energy at finite temperature in scalar \\lambda\\phi ^4 theory to second order in a modified perturbation expansion. Using the renormalisation group equation to tame the logarithms in momentum, it gives an equation to determine the critical temperature. Due to the infrared freedom of the theory,... | ['1996-07-15'] |
13,161 | ['eng'] | ['González-Rey, F', 'Rocek, Martin', 'Von Unge, R'] | ['On N=2 low energy effective actions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'effective action', 'perturbation theory, higher-order', 'infrared problem', 'potential, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607089'] | ['We propose a Wilsonian action compatible with special geometry and higher dimension N=2 corrections, and show that the holomorphic contribution F to the low energy effective action is independent of the infrared cutoff. We further show that for asymptotically free SU(2) super Yang-Mills theories, the infrared cutoff ... | ['1996-07-15'] |
13,162 | ['eng'] | ['Diamantini, M Cristina'] | ['Topological defects in gauge theories of open p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, open', 'topology, defect', 'critical phenomena', 'field theory, tensor', 'field theory, condensation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607090'] | ['We study phase transitions induced by topological defects in Abelian gauge theories of open p-branes in (d+1) space-time dimensions. Starting from a massive antisymmetric tensor theory for open p-branes we show how the condensation of topological defects can lead to a decoupled phase with a massless tensor coupled to... | ['1996-07-15'] |
13,163 | ['eng'] | ['Ganor, O J'] | ['Compactification of tensionless string theories'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 6', 'string tension, 0', 'spontaneous compactification', 'anomaly', 'duality', 'instanton', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607092'] | ["We study compactifications of the N=2 6D tensionless string on various complex two-folds down to two-dimensions. In the IR limit they become non-trivial conformal field theories in 2D. Using results of Vafa and Witten on the partition functions of twisted Super-Yang-Mills theories, we can study the resulting CFT. The... | ['1996-07-15'] |
13,164 | ['eng'] | ['Buchbinder, I L', 'Petrov, A Yu'] | ['Quantum dynamics of $N=1$, $D=4$ supergravity compensator'] | ['Particle Physics - Theory'] | ['talk, College Park 1996/05/29', 'supergravity', 'supersymmetry, superfield', 'perturbation theory, higher-order', 'regularization, dimensional', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607093'] | ['A new $N=1$ superfield theory in $D=4$ flat superspace is suggested. It describes dynamics of supergravity compensator and can be considered as a low-energy limit for $N=1$, $D=4$ superfield supergravity. The theory is shown to be renormalizable in infrared limit and infrared free. A quantum effective action is inves... | ['1996-07-15'] |
13,165 | ['eng'] | ['Saulina, N A', 'Terentyev, M V', 'Zyablyuk, K N'] | ['Fivebrane lagrangian with loop corrections in field-theory limit'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'field theory, action', 'duality', 'gravitation', 'gauge field theory', 'axion', 'field theory, tensor', 'field equations', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607079'] | ['Equations of motion and the lagrangian are derived explicitely for Dual D=10, N=1 Supergravity considered as a field theory limit of a Fivebrane. It is used the mass-shell solution of Heterotic String Bianchi Identites obtained in the 2-dimensional \\sigma-model two-loop approximation and in the tree-level Heterotic ... | ['1996-07-11'] |
13,166 | ['eng'] | ['Ushveridze, A G'] | ['Quasi-exact solvability in local field theory'] | ['Particle Physics - Theory'] | ['lattice field theory', 'model, spin', 'spin, model', 'model, ferromagnet', 'Bethe ansatz', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607080'] | ['The quantum mechanical concept of quasi-exact solvability is based on the idea of partial algebraizability of spectral problem. This concept is not directly extendable to the systems with infinite number of degrees of freedom. For such systems a new concept based on the partial Bethe Ansatz solvability is proposed. I... | ['1996-07-11'] |
13,167 | ['eng'] | ['Durhuus, B', 'Jónsson, T'] | ['Branched polymers on branched polymers'] | ['Particle Physics - Theory'] | ['quantum gravity', 'model, polymer', 'critical phenomena', 'susceptibility', 'two-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607081'] | ['We study an ensemble of branched polymers which are embedded on other branched polymers. This is a toy model which allows us to study explicitly the reaction of a statistical system on an underlying geometrical structure, a problem of interest in the study of the interaction of matter and quantized gravity. We find a... | ['1996-07-11'] |
13,168 | ['eng'] | ['Porrati, Massimo'] | ['How to find H-monopoles in brane dynamics'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry, superfield', 'field theory, monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607082'] | ['We prove in two different ways that brane dynamics gives rise to all H-monopoles predicted by S-duality of N=4, 4-dimensional superstring compactifications. One method uses heterotic-type II duality and the self-dual 3-brane dynamics, the other uses the 5-brane description of small instantons in SO(32) superstrings.'... | ['1996-07-11'] |
13,169 | ['eng'] | ['Avan, J', 'Jevicki, A', 'Lee, J'] | ['Field theory of su(R) spin Calogero-Moser models'] | ['Particle Physics - Theory'] | ['matrix model', 'model, vector', 'symmetry, SU(N)', 'field theory', 'Hamiltonian formalism', 'current algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607083'] | ['We extend our study of the field-theoretic description of matrix-vector models and the associated many-body problems of one dimensional particles with spin. We construct their Yangian su(R) invariant Hamiltonian. It describes an interacting theory of a c=1 collective boson and a k=1 su(R) current algebra. When R \\ge... | ['1996-07-11'] |
13,170 | ['eng'] | ['Ghezelbash, A M'] | ['Gauging of Lorentz group WZW model by its null subgroup'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'coset space, SO(3,1)/SO(3)', 'coset space, SO(3,1)/E(2)', 'gauge field theory, SO(3)', 'effective action', 'field theory, Toda'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607084'] | ['We consider the standard vector gauging of Lorentz group SO(3,1) WZW model by its non-semisimple null Euclidean subgroup in two dimensions E(2) . The resultant effective action of the theory is seen to describe a one dimensional bosonic field in the presence of external charge that we interpret it as a Liouville fiel... | ['1996-07-11'] |
13,171 | ['eng'] | ['Menotti, P', 'Peirano, P P'] | ['Diffeomorphism invariant measure for finite dimensional geometries'] | ['Particle Physics - Theory'] | ['quantum gravity', 'space-time, measure', 'invariance, diffeomorphism', 'transformation, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607071'] | ['We consider families of geometries of D--dimensional space, described by a finite number of parameters. Starting from the De Witt metric we extract a unique integration measure which turns out to be a geometric invariant, i.e. independent of the gauge fixed metric used for describing the geometries. The measure is al... | ['1996-07-10'] |
13,172 | ['eng'] | ['Rodrigues, W A', 'De Souza, Q A G', 'Vaz, J', 'Lounesto, P'] | ['Dirac-Hestenes spinor fields in Riemann-Cartan spacetime'] | ['Particle Physics - Theory'] | ['space-time, Riemann-Cartan', 'fermion, Dirac', 'spinor', 'fibre bundle', 'mathematical methods', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607073'] | ['In this paper we study Dirac-Hestenes spinor fields (DHSF) on a four-dimensional Riemann-Cartan spacetime (RCST). We prove that these fields must be defined as certain equivalence classes of even sections of the Clifford bundle (over the RCST), thereby being certain particular sections of a new bundle named Spin-Clif... | ['1996-07-10'] |
13,173 | ['eng'] | ['Bender, C M', 'Bettencourt, L M A'] | ['Multiple-scale analysis of quantum systems'] | ['Particle Physics - Theory'] | ['model, oscillator', 'operator, Heisenberg', 'Schroedinger equation', 'differential equations, solution', 'mass, renormalization', 'renormalization, mass', 'perturbation theory, weak coupling', 'weak coupling, perturbation theory', 'wave function, nonperturbative', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607074'] | ['Conventional weak-coupling Rayleigh-Schr\\"odinger perturbation theory suffers from problems that arise from resonant coupling of successive orders in the perturbation series. Multiple-scale analysis, a powerful and sophisticated perturbative method that quantitatively analyzes characteristic physical behaviors occur... | ['1996-07-10'] |
13,174 | ['eng'] | ['McKay, D W', 'Munczek, H J'] | ['Study of quark propagator solutions to the Dyson-Schwinger equation in a confining model'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, propagator', 'Dyson-Schwinger equation', 'infrared problem', 'model, confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607075'] | ['We solve the Dyson--Schwinger equation for the quark propagator in a model with singular infrared behavior for the gluon propagator. We require that the solutions, easily found in configuration space, be tempered distributions and thus have Fourier transforms. This severely limits the boundary conditions that the sol... | ['1996-07-10'] |
13,175 | ['eng'] | ['Aoyama, H', 'Harano, T', 'Sato, M', 'Wada, S'] | ['Multi-instanton calculus in N=2 supersymmetric QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'gauge field theory, SU(2)', 'supersymmetry', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607076'] | ['Microscopic tests of the exact results are performed in N=2 SU(2) supersymmetric QCD. We construct the multi-instanton solution in N=2 supersymmetric QCD and calculate the two-instanton contribution {\\cal F}_2 to the prepotential {\\cal F} explicitly. For N_f=1,2, instanton calculus agrees with the prediction of the... | ['1996-07-10'] |
13,176 | ['eng'] | ['Kallosh, R', 'Shmakova, M', 'Wong, W K'] | ['Freezing of moduli by N=2 dyons'] | ['Particle Physics - Theory'] | ['supergravity', 'black hole', 'dyon', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607077'] | ['In N=2 ungauged supergravity we have found the most general double-extreme dyonic black holes with arbitrary number n_v of constant vector multiplets and n_h of constant hypermultiplets. They are double-extreme: 1) supersymmetric with coinciding horizons, 2) the mass for a given set of quantized charges is extremal. ... | ['1996-07-10'] |
13,177 | ['eng'] | ['Kawai, T'] | ['String duality and modular forms'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'duality', 'field theory, Calabi-Yau', 'transformation, modular', 'approximation, weak coupling', 'weak coupling, approximation', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607078'] | ['Tests of duality between heterotic strings on K3\\times T^2 and type IIA strings on K3-fibrated Calabi-Yau threefolds are attempted in the weak coupling regime on the heterotic side by identifying pertinent modular forms related to the computations of string threshold corrections. Concretely we discuss in parallel th... | ['1996-07-10'] |
13,178 | ['eng'] | ['Filho, E D'] | ['Remark on shape invariant potential'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'potential, dependence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607068'] | ['The usual concept of shape invariance is discussed and one extension of this concept is suggested.'] | ['1996-07-09'] |
13,179 | ['eng'] | ['Benatti, F', 'Floreanini, R'] | ['Complete positivity and the K-$\\overline{K}$ system'] | ['Particle Physics - Theory'] | ['violation, CP', 'K0 anti-K0', 'quantum mechanics, validity test'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607059'] | ['Models that provide experimentally testable violations of ordinary Quantum Mechanics have been recently proposed. These models are based on non-unitary time evolutions of density matrices that are generated by linear positive maps. We discuss the consequences of imposing a stronger condition on those maps, known as c... | ['1996-07-09'] |
13,180 | ['eng'] | ['Howe, Paul S', 'West, Peter C'] | ['Operator product expansions in four-dimensional superconformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry, transformation', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607060'] | ["The operator product expansion in four-dimensional superconformal field theory is discussed. The OPE takes a particularly simple form for chiral operators, in N=1 and N=2, and for analytic operators, in N=2 and N=4. It is argued that the Green's functions of such operators can be determined up to constants."] | ['1996-07-09'] |
13,181 | ['eng'] | ['Antoniadis, Ignatios', 'Pioline, B'] | ['Higgs branch, hyperkahler quotient and duality in SUSY N=2 Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'Higgs model', 'field theory, Kaehler', 'fermion, flavor', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607058'] | ["Low--energy limits of N=2 supersymmetric field theories in the Higgs branch are described in terms of a non--linear 4--dimensional sigma--model on a \\hk target space, classically obtained as a \\hk quotient of the original flat hypermultiplet space by the gauge group. We review in a pedagogical way this construction... | ['1996-07-09'] |
13,182 | ['eng'] | ['Mukku, C'] | ['Fermion determinants and effective actions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'background field', 'effective action', 'propagator', 'fermion, determinant', 'regularization, heat kernel', 'finite temperature'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607061'] | ['Configuration space heat-kernel methods are used to evaluate the determinant and hence the effective action for an SU(2) doublet of fermions in interaction with a {\\it covariantly constant} SU(2) background field. Exact results are exhibited which are applicable to {\\it any} Abelian background on which the only res... | ['1996-07-09'] |
13,183 | ['eng'] | ['Benedict, E', 'Jackiw, R W', 'Lee, H J'] | ['Functional Schrödinger and BRST quantization of (1+1)-dimensional gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'dimension, 2', 'quantization', 'Schroedinger equation', 'transformation, Becchi-Rouet-Stora', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607062'] | ["We discuss the quantization of pure string--inspired dilaton--gravity in (1+1)--dimensions, and of the same theory coupled to scalar matter. We perform the quantization using the functional Schroedinger and BRST formalisms. We find, both for pure gravity and the matter--coupled theory, that the two quantization proce... | ['1996-07-09'] |
13,184 | ['eng'] | ['Stefanis, N G'] | ['Nonperturbative calculation of Green and vertex functions in terms of particle contours'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'fermion, propagator', 'vertex function', 'Feynman graph', 'infrared problem', 'renormalization', 'nonperturbative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607063'] | ['The infrared regime of fermionic Green and vertex functions is studied analytically within a geometric approach which simulates soft interactions by an {\\it effective} theory of contours. Expanding the particle path integral in terms of dominant contours at large distances, all-order results in the coupling constant... | ['1996-07-09'] |
13,185 | ['eng'] | ['Schwarz, J H'] | ['The second superstring revolution'] | ['Particle Physics - Theory'] | ['review, Moscow 1996/05/25', 'string model', 'supersymmetry', 'perturbation theory', 'nonperturbative', 'duality', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607067'] | ['Recent developments in superstring theory have led to major advances in understanding. After reviewing where things stood earlier, we sketch the impact of recently identified dualities and D-branes, as well as a hidden eleventh dimension.'] | ['1996-07-09'] |
13,186 | ['eng'] | ['Bouwknegt, P G', 'Schoutens, K'] | ['The SU(n)$_{1}$ WZW models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'Hamiltonian formalism', 'quantum algebra, SU(N)', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607064'] | ["We present a `spinon formulation' of the SU(n)_1 Wess-Zumino-Witten models. Central to this approach are a set of massless quasi-particles, called `spinons', which transform in the representation {\\bf \\bar{n}} of su(n) and carry fractional statistics of angle \\theta = \\pi/n. Multi-spinon states are grouped into i... | ['1996-07-09'] |
13,187 | ['eng'] | ['Banerjee, N', 'Banerjee, R', 'Ghosh, S'] | ['Non abelian bosonisation in three dimensional field theory'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'massive, Thirring model', 'dimension, 3', 'symmetry, SU(2)', 'Hamiltonian formalism', 'constraint', 'bosonization, nonabelian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607065'] | ['We develop a method based on the generalised St\\"uckelberg prescription for discussing bosonisation in the low energy regime of the SU(2) massive Thirring model in 2+1 dimensions. For arbitrary values of the coupling parameter the bosonised theory is found to be a nonabelian gauge theory whose physical sector is exp... | ['1996-07-09'] |
13,188 | ['eng'] | ['Dorey, N', 'Khoze, V V', 'Mattis, M P'] | ['A two-instanton test of the exact solution of N=2 supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607066'] | ['The exact solution of N=2 supersymmetric QCD found by Seiberg and Witten includes a prediction for all multi-instanton contributions to the low-energy dynamics. In the case where the matter hypermultiplets are massless, the leading non-perturbative contribution at weak coupling comes from the two-instanton sector. We... | ['1996-07-09'] |
13,189 | ['eng'] | ['Saitô, T', 'Uehara, K'] | ['BRST quantization of gauge theory on M$_{4}$ x Z$_{N}$ without recourse to noncommutative geometry'] | ['Particle Physics - Theory'] | ['Salam-Weinberg model', 'space-time, M(4) x Z(N)', 'quantization', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'symmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607069'] | ['The gauge theory on M_4\\times Z_N geometry is applied to the Weinberg-Salam model for electroweak interactions. This approach had been previously proposed by Konisi and Saito without recourse to noncommutative geometry(NCG) and appears to be geometrically simpler and clearer than NCG. In this scheme we consider the ... | ['1996-07-09'] |
13,190 | ['eng'] | ['Wieczerkowski, C', 'Rolf, J'] | ['Interpolation parameter and expansion for the three dimensional non-trivial scalar infrared fixed point'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 3', 'renormalization group', 'n-point function', 'Pade approximation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607042'] | ['We compute the non--trivial infrared \\phi^4_3--fixed point by means of an interpolation expansion in fixed dimension. The expansion is formulated for an infinitesimal momentum space renormalization group. We choose a coordinate representation for the fixed point interaction in derivative expansion, and compute its c... | ['1996-07-08'] |
13,191 | ['eng'] | ['Martellini, M', 'Zeni, M', 'Fucito, F'] | ['A new nonperturbative approach to QCD by BF theory'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/05/20', 'gauge field theory, Yang-Mills', 'field theory, Euclidean', 'field theory, deformation', 'gauge field theory, BF', 'nonperturbative', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607044'] | ["Yang-Mills theory in the first order formalism appears as the deformation of a topological field theory, the pure BF theory. In this approach new non local observables are inherited from the topological theory and the operators entering the t'Hooft algebra find an explicit realization. A calculation of the {\\it vev}... | ['1996-07-08'] |
13,192 | ['eng'] | ['Clément, G'] | ['Stationary BPS solutions to dilaton-axion gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'axion', 'soliton', 'symmetry, SO(1,2) x SO(2)', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607043'] | ["Stationary four-dimensional BPS solutions to gravity coupled bosonic theories admitting a three--dimensional sigma--model representation on coset spaces are interpreted as null geodesics of the target manifold equipped with a certain number of harmonic maps. For asymptotically flat (or Taub--NUT) space--times such ge... | ['1996-07-08'] |
13,193 | ['eng'] | ['Xu, J W'] | ['Asymptotic limits and sum rules for propagators in quantum chromodynamics'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'gauge field theory, Yang-Mills', 'fermion, flavor', 'ghost', 'propagator', 'renormalization group, beta function', 'asymptotic expansion', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607045'] | ["In gauge field theories with asymptotic freedom, the short distance properties of Green's functions can be obtained on the basis of weak coupling perturbation expansions. Within this framework, the large momentum behavior of the structure functions for gluon, quark and ghost propagators is derived. The limits are fou... | ['1996-07-08'] |
13,194 | ['eng'] | ['Sakita, Bunji'] | ['Collective variables of fermions and bosonization'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'nonrelativistic', 'Hamiltonian formalism', 'field theory, collective', 'bosonization', 'symmetry, SU(N) x SU(M)', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607047'] | ['We first present a general method for extracting collective variables out of non-relativistic fermions by extending the gauge theory of collective coordinates to fermionic systems. We then apply the method to a system of non-interacting flavored fermions confined in a one-dimensional flavor-independent potential. In ... | ['1996-07-08'] |
13,195 | ['eng'] | ['Kogan, I I', 'Lewis, A', 'Soloviev, O A'] | ['Gauge dressing of 2D field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory', 'effective action', 'n-point function', 'operator product expansion', 'coset space, SL(2)/U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607048'] | ['By using the gauge Ward identities, we study correlation functions of gauged WZNW models. We show that the gauge dressing of the correlation functions can be taken into account as a solution of the Knizhnik-Zamolodchikov equation. Our method is analogous to the analysis of the gravitational dressing of 2D field theor... | ['1996-07-08'] |
13,196 | ['eng'] | ['Polyakov, A'] | ['Confining strings'] | ['Particle Physics - Theory'] | ['string model', 'gauge field theory', 'loop space', 'field theory, action', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607049'] | ['We propose a hypothesis that all gauge theories are equivalent to a certain non-standard string theory. Different gauge groups are accounted for by weights ascribed to the world sheets of different topologies. The hypothesis is checked in the case of the compact abelian theories, where we show how condensing monopole... | ['1996-07-08'] |
13,197 | ['eng'] | ['Polchinski, Joseph'] | ['String duality-A colloquium'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'perturbation theory, higher-order', 'approximation, strong coupling', 'strong coupling, approximation', 'quantum gravity', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607050'] | ['The strong coupling limit of a quantum system is in general quite complicated, but in some cases a great simplification occurs: the strongly coupled limit is equivalent to the weakly coupled limit of some other system. In string theory conjectures of this type go back several years, but only in the past year and a ha... | ['1996-07-08'] |
13,198 | ['eng'] | ['Borlaf, J', 'Lozano, Y'] | ['Aspects of T-duality in open strings'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'string, open', 'Hamiltonian formalism', 'boundary condition', 'duality, transformation', 'nonabelian', 'membrane model, p-brane', 'sigma model, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607051'] | ['We study T-duality for open strings in various D-manifolds in the approach of canonical transformations. We show that this approach is particularly useful to study the mapping of the boundary conditions since it provides an explicit relation between initial and dual variables. We consider non-abelian duality transfor... | ['1996-07-08'] |
13,199 | ['eng'] | ['Vázquez-Mozo, Miguel A'] | ['Open string thermodynamics and D-branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'string, open', 'membrane model, p-brane', 'any-dimensional', 'perturbation theory, higher-order', 'duality', 'energy', 'finite temperature, high'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9607052'] | ["We study the thermodynamics of open superstrings in the presence of p-dimensional D-branes. We get some finite temperature dualities relating the one-loop canonical free energy of open strings to the self-energy of D-branes at dual temperature. For the open bosonic string the inverse dual temperature is, as expected,... | ['1996-07-08'] |
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