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11,900
['eng']
['Junker, W']
['Application of Microlocal Analysis to the Theory of Quantum Fields Interacting with a Gravitational Field']
['Particle Physics - Theory']
['talk, Potsdam 1996/07/29', 'space-time', 'field theory, scalar', 'quantization', 'approximation, quasiclassical', 'differential equations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701039']
['It is explained how techniques from microlocal analysis can be used to settle some long-standing questions that arise in the study of the interaction of quantum matter fields with a classical gravitational background field.']
['1997-01-13']
11,901
['eng']
['Argurio, R', 'Englert, F', 'Houart, L']
['Intersection Rules for p-Branes']
['Particle Physics - Theory']
['membrane model, p-brane', 'membrane model, interaction', 'field theory, action', 'field equations, solution', 'supergravity', 'dimension, 10', 'dimension, 11', 'field theory, M-theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701042']
['We present a general rule determining how extremal branes can interesect in a configuration with zero binding energy. The rule is derived in a model independent way and in arbitrary spacetime dimensions D by solving the equations of motion of gravity coupled to a dilaton and several different n-form field strengths. ...
['1997-01-13']
11,902
['eng']
['Giveon, Amit', 'Pelc, O', 'Rabinovici, E']
['The Coulomb Phase in N=1 Gauge Theories With a LG-Type Superpotenetial']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'Landau-Ginzburg model', 'renormalization group, beta function', 'geometry, algebra', 'instanton', 'approximation, quasiclassical']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701045']
['We consider N=1 supersymmetric gauge theories with a simple classical gauge group, one adjoint $\\Phi, N_f$ pairs ($Q_i,\\tilde{Q_i}$) of (fundamental, anti-fundamental) and a tree-level superpotential with terms of the Landau-Ginzburg form $\\tilde{Q}_i\\Phi^lQ_j$. The quantum moduli space of these models includes a...
['1997-01-13']
11,903
['eng']
['Tscheuschner, R D']
['Superconducting phase transitions in 2+1 dimensional quantum field theories modeling generalized polaronic interactions; 1, Jahn-Teller inspired models']
['Particle Physics - Theory']
['talk, Leipzig 1992/09/28', 'model, superconducting', 'temperature, high', 'dimension, 3', 'gauge field theory', 'critical phenomena', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701046']
['We review the fundamentals of Jahn-Teller interactions and their field theoretical modelings and show that a 2+1 dimensional gauge theory where the gauge field couples to "flavored fermions" arises in a natural way from a two-band model describing the dynamical Jahn-Teller effect. The theory exhibits a second order p...
['1997-01-13']
11,904
['eng']
['Garattini, R']
['Energy Computation in Wormhole Background with the Wheeler-DeWitt Operators']
['Particle Physics - Theory']
['talk, Santa Margherita Ligure 1996/09/17', 'quantum gravity', 'Wheeler-DeWitt equation, solution', 'wormhole', 'instanton', 'energy']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701031']
['We investigate the possibility of computing energy by means of operators associated to the Wheeler-DeWitt equation. By choosing three dimensional wormholes as a framework, we apply such calculation scheme to the black hole pair creation. We compare our results with the recent ones appeared in the literature.']
['1997-01-10']
11,905
['eng']
['Nojiri, S', 'Odintsov, S D']
['Effective Lagrangian and static black holes in 2D dilatonic gravity']
['Particle Physics - Theory']
['gravitation', 'dilaton', 'effective action', 'quantum gravity', 'black hole', 'expansion 1/N']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701032']
['We study the effective action in 2D dilaton-Maxwell quantum gravity. Working with the one-loop renormalizable subset of such theories, we construct the improved effective Lagrangian which contains curvature under logarithm. The static black holes (BH) solutions which may play the role of a remnant after the Hawking r...
['1997-01-10']
11,906
['eng']
['Konno, H']
['Degeneration of the Elliptic Algebra $A_{q,p}(\\widehat{sl_2})$ and Form Factors in the sine-Gordon Theory']
['Particle Physics - Theory']
['talk, Tianjin 1996/08/19', 'sine-Gordon model', 'S-matrix', 'algebra, SL(2)', 'quantum algebra', 'R-matrix', 'Thirring model', 'operator, vertex', 'bosonization', 'form factor']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701034']
["Following the work with Jimbo and Miwa, we introduce a certain degeneration of the elliptic algebra $A_{q,p}(\\widehat{sl_2})$ and its boson realization. We investigate its rational limit. The limit is the central extension of the Yangian double DY(sl_2) at level one. We give a new boson realization of it. Based on t...
['1997-01-10']
11,907
['eng']
['Dabrowski, M P', 'Kiefer, C']
['Boundary Conditions in Quantum String Cosmology']
['Particle Physics - Theory']
['astrophysics, string', 'quantum gravity', 'Wheeler-DeWitt equation, solution', 'approximation, quasiclassical']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701035']
['We discuss in detail how to consistently impose boundary conditions in quantum string cosmology. Since a classical time parameter is absent in quantum gravity, such conditions must be imposed with respect to intrinsic variables. Constructing wave packets for minisuperspace models from different tree-level string effe...
['1997-01-10']
11,908
['eng']
['Nagatani, Y']
['Dynamical Symmetry Breaking in Fractal Space']
['Particle Physics - Theory']
['symmetry, dynamically broken', 'fractals', 'Gross-Neveu model', 'effective action', 'Dyson-Schwinger equation, solution', 'perturbation theory, higher-order', 'ladder approximation', 'critical phenomena']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701036']
['We formulate field theories in fractal space and show the phase diagrams of the coupling versus the fractal dimension for the dynamical symmetry breaking. We first consider the 4-dimensional Gross-Neveu (GN) model in the (4-d)-dimensional randomized Cantor space where the fermions are restricted to a fractal space by...
['1997-01-10']
11,909
['eng']
['Klemm, A D', 'Lian Bong H', 'Roan, S S', 'Yau, S T']
['Calabi-Yau fourfolds for M- and F-Theory compactifications']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'field theory, Calabi-Yau', 'spontaneous compactification', 'topology', 'field theory, M-theory', 'field theory, F-theory', 'symmetry breaking', 'duality', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701023']
['We investigate topological properties of Calabi-Yau fourfolds and consider a wide class of explicit constructions in weighted projective spaces and, more generally, toric varieties. Divisors which lead to a non-perturbative superpotential in the effective theory have a very simple description in the toric constructio...
['1997-01-09']
11,910
['eng']
['Shevchenko, V I', 'Simonov, Yu A']
['Relations between correlators in gauge field theory']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'correlation function', 'perturbation theory, higher-order', 'invariance, gauge']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701026']
['Exact relations between gauge-invariant vacuum correlators in QCD are derived. Derivatives of the correlators are expressed in terms of higher orders correlators. The behaviour of the correlators at large and small distances due to these relations is discussed.']
['1997-01-09']
11,911
['eng']
['Gates, S J', 'Rana, L']
['What if Dirac pionini existed in a purely chiral superfield formulation']
['Particle Physics - Theory']
['supersymmetry, superfield', 'symmetry, chiral', 'symmetry, SU(3)', 'pi, multiplet', 'pionino']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701024']
["By an explicit construction, it is shown that the geometry of the SU(3) pion multiplet with respect to the group manifold SU_L(3) x SU_R(3) may be deformed to admit a second pseudoscalar multiplet that is analogous to the Z_o in unified theories of the electroweak interaction. This observation is found to play a key ...
['1997-01-09']
11,912
['eng']
['Motl, L']
['Proposals on nonperturbative superstring interactions']
['Particle Physics - Theory']
['string model, heterotic', 'supersymmetry', 'string, interaction', 'field theory, M-theory', 'matrix model', 'quantization, 2', 'duality', 'spontaneous compactification']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701025']
["We show a possibility that the matrix models recently proposed to explain (almost) all the physics of M-theory may include the superstring theories that we know perturbatively. The ``1st quantized'' physical system of one IIA string seems to be an exact consequence of M(atrix) theory with a proper mechanism to mod ou...
['1997-01-09']
11,913
['eng']
['Manton, N S']
['First Order Vortex Dynamics']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'Higgs model', 'dimension, 3', 'Landau-Ginzburg model', 'model, superconducting', 'Chern-Simons term', 'field equations, vortex']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701027']
['A non-dissipative model for vortex motion in thin superconductors is considered. The Lagrangian is a Galilean invariant version of the Ginzburg--Landau model for time-dependent fields, with kinetic terms linear in the first time derivatives of the fields. It is shown how, for certain values of the coupling constants,...
['1997-01-09']
11,914
['eng']
['Comellas, J', 'Travesset, A']
['O(N) models within the local potential approximation']
['Particle Physics - Theory']
['field theory, vector', 'symmetry, O(N)', 'critical phenomena', 'expansion 1/N', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701028']
['Using Wegner-Houghton equation, within the Local Potential Approximation, we study critical properties of O(N) vector models. Fixed Points, together with their critical exponents and eigenoperators, are obtained for a large set of values of N, including N=0 and $N\\to\\infty$. Polchinski equation is also treated. The...
['1997-01-09']
11,915
['eng']
['Pawlowski, J M']
['The Gauss Law Operator Algebra and Double Commutators in Chiral Gauge Theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'fermion, chiral', 'Gauss law, operator', 'operator, algebra', 'algebra, commutation relations', 'anomaly']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701029']
['We calculate within an algebraic Bjorken-Johnson-Low (BJL) method anomalous Schwinger terms of fermionic currents and the Gauss law operator in chiral gauge theories. The current algebra is known to violate the Jacobi identity in an iterative computation. Our method takes the subtleties of the equal-time limit into a...
['1997-01-09']
11,916
['eng']
['Guendelman, E I', 'Nudelman, A L']
['On some local and global properties of Yang-Mills vacuum']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'energy, vacuum state', 'field equations, solution', 'dependence, gauge', 'stability']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701030']
['In this paper we use a non-covariant gauge which makes some of the YM features manifest which otherwise do not appear explicitly in the Landau gauge used by Nielsen and Olesen.Our results support the conjecture that the unstable mode is related to a non perturbative phenomena. We also study an analogous problem of th...
['1997-01-09']
11,917
['eng']
['Bachas, C P']
['(Half) a Lecture on D-branes']
['Particle Physics - Theory']
['lectures, London 1996/07/05', 'lectures, Paris 1996/08', 'membrane model, p-brane', 'string model', 'perturbation theory, higher-order', 'charge, electric', 'charge, magnetic', 'charge, quantization', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701019']
['This is a concise forward to, rather than a review of, D-brane physics.']
['1997-01-08']
11,918
['eng']
['Avramidi, I G', 'Esposito, G']
['Heat-Kernel Asymptotics with Generalized Boundary Conditions']
['Particle Physics - Theory']
['gravitation', 'gauge field theory', 'quantization', 'space-time', 'boundary condition', 'regularization, heat kernel']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701018']
['The quantization of gauge fields and gravitation on manifolds with boundary makes it necessary to study boundary conditions which involve both normal and tangential derivatives of the quantized field. The resulting heat-kernel asymptotics for an elliptic second-order differential operator of Laplace type is here stud...
['1997-01-08']
11,919
['eng']
['Cho, P']
['Exact Results in SO(11) SUSY Gauge Theories with Spinor and Vector Matter']
['Particle Physics - Theory']
['gauge field theory, SO(11)', 'supersymmetry', 'vacuum state', 'critical phenomena, confinement', 'field theory, spinor', 'field theory, vector', 'moduli space', 'potential', 'duality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701020']
['We investigate the confining phase vacuum structure of supersymmetric SO(11) gauge theories with one spinor matter field and Nf \\le 6 vectors. We describe several useful tricks and tools that facilitate the analysis of these chiral models and many other theories of similar type. The forms of the Nf=5 and Nf=6 quantu...
['1997-01-08']
11,920
['eng']
['Brandt, F T', 'Frenkel, J']
['High temperature ln(T) contributions in thermal field theory']
['Particle Physics - Theory']
['finite temperature', 'phi**n model, 3', 'dimension, 6', 'gauge field theory, Yang-Mills', 'vertex function', 'perturbation theory, higher-order', 'invariance, Lorentz', 'renormalization']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701021']
['We calculate, to one-loop order, the ln (T) contributions of 3-point functions in the \\phi^3 and Yang-Mills theory at high temperature. We find that these terms are Lorentz invariant and have the same structure as the ultraviolet divergent contributions which occur at zero temperature. A simple argument, valid for a...
['1997-01-08']
11,921
['eng']
['Bassetto, A', 'Nardelli, G', 'Shuvaev, A G']
['Two-dimensional Yang-Mills theory in the leading 1/N expansion revisited']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'dimension, 2', 'fermion, bound state', 'propagator', 'field equations, solution', 'expansion 1/N']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701017']
["We obtain a formal solution of an integral equation for $q\\bar q$ bound states, depending on a parameter \\eta which interpolates between 't Hooft's expression for its spectrum for a particular value of the ratio of the coupling constant to the quark mass. The spectrum turns out to be in qualitative agreement with '...
['1997-01-08']
11,922
['eng']
['Adam, C']
['Scattering processes in the massive Schwinger model']
['Particle Physics - Theory']
['Schwinger model, massive', 'mass, perturbation theory', 'Feynman graph', 'n-point function', 'Dyson-Schwinger equation', 'bound state, mass', 'boson, width', 'kinematics', 'dimension, 2', 'cross section', 'resonance, production', 'threshold']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701013']
['We derive the (matrix-valued) Feynman rules of the mass perturbation theory and use it for the resummation of the $n$-point functions with the help of the Dyson-Schwinger equations. We use these results for a short review of the complete spectrum of the model and for a discussion of scattering processes. We find that...
['1997-01-07']
11,923
['eng']
['Marshakov, A V', 'Mironov, A E', 'Morozov, A']
['WDVV Equations from Algebra of Forms']
['Particle Physics - Theory']
['field theory, conformal', 'dimension, 2', 'Riemann surfaces', 'differential forms', 'differential equations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701014']
['A class of solutions to the WDVV equations is provided by period matrices of hyperelliptic Riemann surfaces, with or without punctures. The equations themselves reflect associativity of explicitly described multiplicative algebra of (possibly meromorphic) 1-differentials, which holds at least in the hyperelliptic cas...
['1997-01-07']
11,924
['eng']
['Vafa, C', 'Zwiebach, B']
['N=1 Dualities of SO and USp Gauge Theories and T-Duality of String Theory']
['Particle Physics - Theory']
['gauge field theory, SO(N) x USp(N)', 'Higgs model', 'instanton', 'moduli space', 'membrane model, p-brane', 'duality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701015']
['Extending recent work on SU gauge theory, we engineer local string models for N=1 four-dimensional SO and USp gauge theories coupled to matter in the fundamental. The local models are type IIB orientifolds with D7 branes on a curved orientifold 7-plane, and matter realized by adding D3 branes on the orientifold plane...
['1997-01-07']
11,925
['eng']
['Ferrando, A', 'Jaramillo, A', 'Shabanov, S']
['Confinement in 3D Gluodynamics as a 2D Critical Phenomenon']
['Particle Physics - Theory']
['talk, Como 1996/06/26', 'gauge field theory, SU(N)', 'dimension, 3', 'quark, confinement', 'sigma model, nonlinear', 'coset space, compact', 'critical phenomena', 'dimension, 2', 'flux tube']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701006']
['Gluodynamics in 3D spacetime with one spatial direction compactified into a circle of length $L$ is studied. The confinement order parameters, such as the Polyakov loops, are analyzed in both the limits $L \\to 0$ and $L \\to is shown to be described by a 2D non-linear sigma-model on the compact coset space $G/ad G$,...
['1997-01-06']
11,926
['eng']
['Kikukawa, Y', 'Narayanan, R A', 'Neuberger, H']
['Finite size corrections in two dimensional gauge theories and a quantitative chiral test of the overlap']
['Particle Physics - Theory']
['gauge field theory', 'dimension, 2', 'correction, finite size', 'universality', 'model, chiral', 'continuum limit', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701007']
["An argument is presented for a certain universality of finite size corrections in two dimensional gauge theories. In the abelian case a direct calculation is carried out for a particular chiral model. The analytical result confirms the above universality and that the 't Hooft vertex previously measured using the over...
['1997-01-06']
11,927
['eng']
['Schwarz, J H']
['Coupling a Self-Dual Tensor to Gravity in Six Dimensions']
['Particle Physics - Theory']
['gravitation', 'field theory, tensor', 'duality', 'dimension, 6', 'membrane model, p-brane', 'p-brane, 5', 'field theory, M-theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701008']
['A recent result concerning interacting theories of self-dual tensor gauge fields in six dimensions is generalized to include coupling to gravity. The formalism makes five of the six general coordinate invariances manifest, whereas the sixth one requires a non-trivial analysis. The result should be helpful in formulat...
['1997-01-06']
11,928
['eng']
['Kitao, T', 'Terashima, S', 'Yang, S K']
['N=2 Curves and a Coulomb Phase in N=1 SUSY Gauge Theories with Adjoint and Fundamental Matters']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'coupling, matter', 'supersymmetry', 'effective potential', 'critical phenomena']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701009']
['We study low-energy effective superpotentials for the phase with a confined photon in N=1 supersymmetric gauge theories with an adjoint matter $\\Phi$ and fundamental flavors $Q, \\tilde Q$. Arbitrary classical gauge groups are considered. The results are used to derive the hyperelliptic curves which describe the Cou...
['1997-01-06']
11,929
['eng']
['Caicedo, M I', 'Martin, I', 'Restuccia, A']
['Duality on Higher Order U(1) Bundles']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'fibre bundle, higher-order', 'duality, transformation', 'membrane model', 'dimension, 11', 'dimension, 10']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701010']
['A new global approach in the study of duality transformations is introduced. The geometrical structure of complex line bundles is generalized to higher order U(1) bundles which are classified by quantized charges and duality maps are formulated over these structures. Quantum equivalence is shown between dual theories...
['1997-01-06']
11,930
['eng']
['Hewson, S F']
['Generalised supersymmetry and p-brane actions']
['Particle Physics - Theory']
['membrane model, p-brane', 'supersymmetry, transformation', 'algebra, Poincare', 'field theory, action']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701011']
['We investigate the most general N=1 graded extension of the Poincare algebra, and find the corresponding supersymmetry transformations and the associated superspaces. We find that the supersymmetry for which {Q,Q}=P is not special, and in fact must be treated democratically with a whole class of supersymmetries. We s...
['1997-01-06']
11,931
['eng']
['Oehme, Reinhard']
['Duality, Superconvergence and the Phases of Gauge Theories']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'fermion, flavor', 'supersymmetry', 'renormalization group, beta function', 'critical phenomena']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701012']
["Results about the phase structure of certain N=1 supersymmetric gauge theories, which have been obtained as a consequence of holomorphy and `electric-magnetic' duality, are shown to be in quantitative agreement with corresponding consequences of analyticity and superconvergence of the gauge field propagator. This con...
['1997-01-06']
11,932
['eng']
['Beckers, J']
['On Generalized Quantum Deformations and Symmetries in Quantum Mechanics']
['Particle Physics - Theory']
['quantum mechanics, deformation', 'supersymmetry', 'statistics, parastatistics']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701003']
['Supersymmetric and parasupersymmetric quantum mechanics are now recognized as two further parts of quantum mechanics containing a lot of new informations enlightening (solvable) physical applications. Both contents are here analysed in connection with generalized quantum deformations. In fact, the parasupersymmetric ...
['1997-01-03']
11,933
['eng']
['Cornwall, J M']
['Large-Order Perturbation Theory in Infrared-Unstable Superrenormalizable Field Theories']
['Particle Physics - Theory']
['phi**n model, 3', 'dimension, 5', 'field theory, Euclidean', 'perturbation theory, higher-order', 'asymptotic expansion', 'field theory, soliton']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701004']
['We study the factorial divergences of Euclidean $\\phi^3_5$, a problem with connections both to high-energy multiparticle scattering in d=4 and to d=3 (or high-temperature) gauge theory, which like $\\phi^3_5$ is infrared-unstable and superrenormalizable. At large external momentum p (or small mass M) and large order...
['1997-01-03']
11,934
['eng']
['Zyskin, M']
['Ricci flat metrics in various dimensions, depending from 2 light-cone parameters, and the Lagrangian for the 2 dimensional reduction of gravity']
['Particle Physics - Theory']
['gravitation', 'any-dimensional', 'dimensional reduction', 'dimension, 2', 'model, chiral', 'renormalization group, transformation', 'field equations, solution', 'quantum gravity']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701001']
['We consider $d$-dimensional Riemanian manifolds which admit $d-2$ commuting space-like Killing vector fields, orthogonal to a surface, containing two one-parametric families of light-like curves. The condition of the Ricci tensor to be zero gives Ernst equations for the metric. We write explicitly a family of local s...
['1997-01-02']
11,935
['eng']
['Ooguri, H', 'Yin, Z']
['Perturbative String Theories']
['Particle Physics - Theory']
['lectures, Boulder 1996/06/02', 'string model, heterotic', 'boson, string', 'quantization, 1', 'dimension, dependence', 'particle, spectra', 'field theory, conformal', 'effective action', 'spontaneous compactification, torus', 'invariance, modular', 'supersymmetry', 'field theory, dilaton', 'field theory, tensor', 'ga...
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612254']
['These lecture notes are based on a course on string theories given by Hirosi Ooguri in the first week of TASI 96 Summer School at Boulder, Colorado. It is an introductory course designed to provide students with minimum knowledge before they attend more advanced courses on non-perturbative aspects of string theories ...
['1997-02-18']
11,936
['eng']
['Kanatchikov, I V']
['Novel algebraic structures from the polysymplectic form in field theory']
['Particle Physics - Theory']
['talk, Goslar 1996/07/15', 'field theory', 'Hamiltonian formalism', 'algebra, symplectic']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612255']
['The polysymplectic $(n+1)$-form, as an analogue of the symplectic form for the DeDonder-Weyl polymomentum Hamiltonian formulation of field theory, is defined and the corresponding Poisson brackets on differential forms are constructed. The analogues of the Poisson algebra are shown to be generalized (non-commutative ...
['1997-02-18']
11,937
['eng']
['Kaloper, N', 'Myers, R C', 'Roussel, H']
['Wavy Strings']
['Particle Physics - Theory']
['gravitation, action', 'field theory, scalar', 'astrophysics, string', 'black hole', 'field equations, solution', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612248']
["Recent developments in string theory have brought forth a considerable interest in time-dependent hair on extended objects. This novel new hair is typically characterized by a wave profile along the horizon and angular momentum quantum numbers $l,m$ in the transverse space. In this work, we present an extensive treat...
['1997-01-02']
11,938
['eng']
['Kim, J Y', 'Lee, H W', 'Myung, Y S']
['D-instanton and D-wormhole']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'membrane model, p-brane', 'instanton', 'wormhole']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612249']
['We study $p=-1$ D-brane in type IIB superstring theory. In addition to D-instanton, we obtain the D-wormhole solution in the Einstein frame. This corresponds to the ten-dimensional singular wormhole solution with infinite euclidean action.']
['1997-01-02']
11,939
['eng']
['Kashiwa, T', 'Tanimura, N']
['Gauge Independence in terms of the Functional Integral']
['Particle Physics - Theory']
['quantum electrodynamics', 'path integral, Euclidean', 'dependence, gauge', 'Hamiltonian formalism', 'phase space, Fock space']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612250']
['Among various approaches in proving gauge independence, models containing an explicit gauge dependence are convenient. The well-known example is the gauge parameter in the covariant gauge fixing which is of course most suitable for the perturbation theory but a negative metric prevents us from imaging a dynamical pic...
['1997-01-02']
11,940
['eng']
['Kogan, I I', 'Semenoff, Gordon W', 'Szabo, R J']
['D-brane Configurations and Nicolai Map in Supersymmetric Yang-Mills Theory']
['Particle Physics - Theory']
['gauge field theory, U(N)', 'gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 10', 'duality', 'field theory, M-theory', 'matrix model', 'expansion 1/N', 'membrane model, p-brane']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612251']
['We discuss some properties of a supersymmetric matrix model that is the dimensional reduction of supersymmetric Yang-Mills theory in ten dimensions and which has been recently argued to represent the short-distance structure of M theory in the infinite momentum frame. We use T-duality to describe the relationship bet...
['1997-01-02']
11,941
['eng']
['Toppan, F']
['Super-Toda Models Associated to Any (super-)Lie Algebras']
['Particle Physics - Theory']
['talk, Karpacz 1996/09/25', 'field theory, Toda', 'field theory, conformal', 'dimension, 2', 'supersymmetry', 'algebra, Lie', 'integrability']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612245']
['It is shown how to obtain superconformal Toda models as reductions of WZNW theories based on any Lie or super--Lie algebra.']
['1997-01-02']
11,942
['eng']
['Masuda, T', 'Suzuki, H']
['On Explicit Evaluations Around the Conformal Point in N=2 Supersymmetric Yang-Mills Theories']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'gauge field theory, SO(N)', 'Higgs model', 'supersymmetry', 'duality', 'transformation, conformal', 'renormalization group, beta function', 'analytic properties']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612240']
['We show how to give the expression for periods, Higgs field and its dual of N=2 supersymmetric Yang-Mills theory around the conformal point. This is achieved by evaluating the integral representation in the weak coupling region, and by using analytic continuation to the conformal point. The explicit representation is...
['1997-01-02']
11,943
['eng']
['Sato, H']
['Mirror Symmetry and the Web of Landau-Ginzburg String Vacua']
['Particle Physics - Theory']
['string model', 'vacuum state', 'Landau-Ginzburg model', 'space, Calabi-Yau', 'field theory, torus', 'symmetry, mirror', 'potential, superpotential', 'geometry, algebra', 'symmetry, mirror', 'orbifold']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612239']
['We present some mathematical aspects of Landau-Ginzburg string vacua in terms of toric geometry. The one-to-one correspondence between toric divisors and some of (-1,1) states in Landau-Ginzburg model is presented for superpotentials of typical types. %for some classes of superpotentials. The Landau-Ginzburg interpre...
['1997-01-02']
11,944
['eng']
['Castro, C']
['On the Integrability Aspects of the Self Dual Membrane']
['Particle Physics - Theory']
['membrane model', 'gauge field theory, SU(infinity)', 'duality', 'invariance, Becchi-Rouet-Stora', 'integrability', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612241']
['The exact quantum integrability aspects of a sector of the membrane is investigated. It is found that spherical membranes moving in flat target spacetime backgrounds admit a class of integrable solutions linked to SU(infty) SDYM equations (dimensionally reduced to one temporal dimension). After a suitable ansatz, the...
['1997-01-02']
11,945
['eng']
['Jain, S']
['Universal correlations in random matrices']
['Particle Physics - Theory']
['matrix model, random', 'chaos', 'integrability', 'correlation', 'quantum gravity', 'Calogero-Sutherland model', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612242']
['Random matrix theory (RMT) provides a common mathematical formulation of distinct physical questions in three different areas: quantum chaos, the 1-d integrable model with the $1/r^2$ interaction (the Calogero-Sutherland-Moser system), and 2-d quantum gravity. We review the connection of RMT with these areas. We also...
['1997-01-02']
11,946
['eng']
['Maslikov, A A', 'Naumov, I', 'Volkov, G G']
['The Paths of Unification In The GUST With The G x G Gauge Groups of E(8) x E(8)']
['Particle Physics - Theory']
['grand unified theory, E(8) x E(8)', 'string model, heterotic', 'supersymmetry', 'gauge field theory, SU(5) x U(1) x SU(3) x U(1)', 'symmetry breaking']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612243']
['In the framework of the four dimensional heterotic superstring with free fermions we discuss the rank eight and/or sixteen Grand Unified String Theories (GUST) which contain the SU(3)_H - gauge family symmetry. We explicitly investigate the paths of the unification in the GUST with gauge symmetry G x G = [SU(5) x U(1...
['1997-01-02']
11,947
['eng']
['Imbo, T D', 'Teotônio-Sobrinho, P']
['Topology Change and $\\theta$-Vacua in 2D Yang-Mills Theory']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'dimension, 2', 'topology, effect', 'vacuum state, Theta parameter']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612246']
["We discuss the existence of $\\theta$-vacua in pure Yang-Mills theory in two space-time dimensions. More precisely, a procedure is given which allows one to classify the distinct quantum theories possessing the same classical limit for an arbitrary connected gauge group G and compact space-time manifold M (possibly w...
['1997-01-02']
11,948
['eng']
['Balachandran, A P', 'John, V', 'Momen, A', 'Moraes, F']
['Anomalous Defects and Their Quantized Conductivities']
['Particle Physics - Theory']
['gravitation', 'dimension, 3', 'field theory, Euclidean', 'electron, propagator', 'topology, defect', 'gauge field theory, U(1)', 'anomaly']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612247']
['Using a description of defects in solids in terms of three-dimensional gravity, we study the propagation of electrons in the background of disclinations and screw dislocations. We study the situations where there are bound states that are effectively localized on the defect and hence can be described in terms of an e...
['1997-01-02']
11,949
['eng']
['Hamada, K']
['Vertex Operators for Super Yang-Mills and Multi D-Branes in Green-Schwarz Superstring']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'string model', 'supersymmetry', 'membrane model, p-brane', 'operator, vertex', 'invariance, gauge']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612234']
['We study vertex operators for super Yang-Mills and multi D-branes in covariant form using Green-Schwarz formalism. We introduce the contact terms naturally and prove space-time supersymmetry and gauge invariance. The nonlinear realization of broken supersymmetry in the presence of D-branes is also discussed. The shif...
['1997-01-02']
11,950
['eng']
['Hou, B Y', 'Yang, W L']
['A $\\overline h$-deformed Virasoro Algebra as Hidden Symmetry of the Restricted sine-Gordon Model']
['Particle Physics - Theory']
['algebra, Virasoro', 'algebra, deformation', 'Miura transformation', 'operator, screening', 'charge, Becchi-Rouet-Stora', 'operator, vertex', 'bosonization', 'S-matrix', 'sine-Gordon model', 'hidden symmetry', 'commutation relations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612235']
["As the Yangian double with center,which is deformed from affine algebra by the additive loop parameter $\\hbar$ ,we get the commuting relation and the bosonization of quantum $\\hbar$-deformed Virasoro algebra. The corresponding Miura transformation , associated screening operators and the BRST charge have been studi...
['1997-01-02']
11,951
['eng']
['Higuchi, S', 'Itoi, C', 'Nishigaki, S M', 'Sakai, N']
['Renormalization group approach to multiple-arc random matrix models']
['Particle Physics - Theory']
['matrix model, random', 'unitarity', 'critical phenomena', 'renormalization group', 'expansion 1/N', 'fixed point, stability', 'universality', 'energy, density', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612237']
['We study critical and universal behaviors of unitary invariant non-gaussian random matrix ensembles within the framework of the large-N renormalization group. For a simple double-well model we find an unstable fixed point and a stable inverse-gaussian fixed point. The former is identified as the critical point of sin...
['1997-01-02']
11,952
['eng']
['Gorsky, A S']
['Branes and integrability in the N=2 SUSY YM theory']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'supersymmetry', 'membrane model', 'integrability']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612238']
['We suggest the brane interpretation of the integrable dynamics behind the exact solution to the N=2 SUSY YM theory.Degrees of freedom of the Calogero type integrable system responsible for the appearance of the spectral Riemann surfaces originate from degrees of freedom of the dynamical branes. The second integrable ...
['1997-01-02']
11,953
['eng']
['Awata, H', 'Kubo, H', 'Odake, S', 'Shiraishi, J']
['Virasoro-type Symmetries in Solvable Models']
['Particle Physics - Theory']
['talk, Tianjin 1996/08/19', 'algebra, Virasoro', 'quantum algebra, deformation', 'algebra, Heisenberg', 'current, screening', 'model, topological', 'transformation, Becchi-Rouet-Stora', 'field theory, conformal', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612233']
['Virasoro-type symmetries and their roles in solvable models are reviewed. These symmetries are described by the two-parameter Virasoro-type algebra $Vir_{p,q}$ by choosing the parameters p and q suitably.']
['1997-02-18']
11,954
['eng']
['Herrera, A', 'Kechkin, O V']
['O(d, d)-Symmetry and Ernst Formulation for Einstein-Kalb-Ramond Theory in Two Dimensions']
['Particle Physics - Theory']
['talk, Dubna 1996/12/08', 'string model', 'gravitation', 'dimension, >3', 'dimension, 2', 'symmetry, O(N,N)', 'symmetry, SL(2,N)', 'potential']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612232']
['The (3+d)-dimensional Einstein-Kalb-Ramond theory reduced to two dimensions is considered. It is shown that the theory allows two different Ernst-like $d Hermitian dualized non-target space ones. The O(d, d) symmetry is written in a SL(2,R) matrix-valued form in both cases. The Kramer-Neugebauer transformation, which...
['1997-01-02']
11,955
['eng']
['Bilge, A H', 'Dereli, T', 'Koçak, S']
['The Geometry of Self-Dual Gauge Fields']
['Particle Physics - Theory']
['talk, Karpacz 1996/09/25', 'gauge field theory', 'duality', 'space-time', 'differential forms, any-dimensional', 'linear spaces', 'algebra, Clifford', 'algebra, representation', 'instanton', 'dimension, 8']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612230']
['Self-dual 2-forms in D=2n dimensions are characterised by an eigenvalue criterion. The equivalence of various definitions of self-duality is proven. We show that the self-dual 2-forms determine a n^2-n+1 dimensional manifold S_{2n} and the dimension of the maximal linear subspaces of S_{2n}$ is equal to the Radon-Hur...
['1997-01-02']
11,956
['eng']
['Dorey, N', 'Khoze, V V', 'Mattis, M P']
['On Mass-Deformed N=4 Supersymmetric Yang-Mills Theory']
['Particle Physics - Theory']
['gauge field theory, SU(2)', 'supersymmetry', 'mass, deformation', 'instanton', 'field theory, action', 'potential', 'Higgs particle, condensation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612231']
["We construct the n-instanton action for the above model with gauge group SU(2), as a function of the collective coordinates of the general self-dual configurations of Atiyah, Drinfeld, Hitchin and Manin (ADHM). We calculate the quantum modulus u = <Tr(A^2)> at the 1-instanton level, and find a discrepancy with Seiber...
['1997-01-02']
11,957
['eng']
['Lü, H', 'Mukherji, S', 'Pope, C N']
['From p-branes to Cosmology']
['Particle Physics - Theory']
['string model', 'membrane model, p-brane', 'field theory, soliton', 'field theory, M-theory', 'astrophysics, model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612224']
['We study the relationship between static p-brane solitons and cosmological solutions of string theory or M-theory. We discuss two different ways in which extremal p-branes can be generalised to non-extremal ones, and show how wide classes of recently discussed cosmological models can be mapped into non-extremal p-bra...
['1997-01-02']
11,958
['eng']
['Zeitlin, V']
['Comment on "Dynamical Chern-Simons term generation at finite density" and "Chern-Simons term at finite density"']
['Particle Physics - Theory']
['gauge field theory', 'Chern-Simons term', 'density, finite', 'dimension, 3', 'potential, chemical']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612225']
['We comment on the calculation of the Chern-Simons coefficient in (2+1)-dimensional gauge theories at finite chemical potential made by A.N.Sissakian, O.Yu.Shevchenko and S.B.Solganik (hep-th/9608159 and hep-th/9612140).']
['1997-01-02']
11,959
['eng']
['Wieczerkowski, C']
['The renormalized $\\phi^4_4$-trajectory by perturbation theory in a running coupling; 2, the continuous renormalization group']
['Particle Physics - Theory']
['phi**n model, 4', 'Regge poles', 'differential group, fixed point', 'differential equations, solution', 'perturbation theory, higher-order', 'scaling', 'functional analysis']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612226']
["The renormalized trajectory of massless $\\phi^4$-theory on four dimensional Euclidean space-time is investigated as a renormalization group invariant curve in the center manifold of the trivial fixed point, tangent to the dependence on the running $\\phi^4$-coupling. It is solved by means of perturbation theory. The...
['1997-01-02']
11,960
['eng']
['Nogueira, F S']
['Non-perturbative evolution equations for the tricritical theory']
['Particle Physics - Theory']
['field theory, scalar', 'critical phenomena', 'nonperturbative', 'renormalization, fixed point', 'renormalization, beta function', 'expansion 1/N', 'effective action', 'dimension, < =3']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612227']
['The N component scalar tricritical theory is considered in a non-perturbative setting. We derive non-perturbative beta functions for the relevant couplings in $d\\leq 3$. The beta functions are obtained through the use of an exact evolution equation for the so called effective average action. In d=3 it is established...
['1997-01-02']
11,961
['eng']
['Carminati, L', 'Iochum, B', 'Kastler, D', 'Schücker, T']
["On Connes' new principle of general relativity; can spinors hear the forces of spacetime?"]
['Particle Physics - Theory']
['relativity theory, general', 'geometry, noncommutative', 'spinor', 'operator, Dirac', 'space-time', 'gauge field theory, Yang-Mills', 'gauge field theory, action', 'renormalization']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612228']
["Connes has extended Einstein's principle of general relativity to noncommutative geometry. The new principle implies that the Dirac operator is covariant with respect to Lorentz and internal gauge transformations and the Dirac operator must include Yukawa couplings. It further implies that the action for the metric, ...
['1997-01-02']
11,962
['eng']
['Cvetic, M', 'Youm, D']
['Rotating Intersecting M-Branes']
['Particle Physics - Theory']
['supergravity', 'dimension, 11', 'membrane model, p-brane', 'black hole']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612229']
["We present intersecting p-brane solutions of eleven-dimensional supergravity (M-branes) which upon toroidal compactification reduce to non-extreme ``rotating'' black holes. We identify harmonic functions, associated with each M-brane, and non-extremality functions, specifying a deviation from the BPS limit. These fun...
['1997-01-02']
11,963
['eng']
['Jensen, B', 'Lindström, U']
['Classical Interactions for Tensionless Strings']
['Particle Physics - Theory']
['string model', 'string tension, 0', 'string, classical', 'string, interaction']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612213']
["Using an ``action at a distance'' formulation we probe the possible classical interactions for tensionless strings, (the $T\\rightarrow 0$ limit of the ordinary bosonic string.) We find $G_{\\mu\\nu}$ and $B_{\\mu\\nu}$ type interactions but no dilaton interactions."]
['1997-01-02']
11,964
['eng']
['Miettinen, M']
['Weil Algebras and Supersymmetry']
['Particle Physics - Theory']
['algebra, Weyl', 'algebra, representation', 'supersymmetry, superspace', 'Wess-Zumino model', 'gauge field theory, Yang-Mills', 'cohomology, Becchi-Rouet-Stora']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612209']
['We give a new interpretation for the super loop space that has been used to formulate supersymmetry. The fermionic coordinates in the super loop space are identified as the odd generators of the Weil algebra. Their bosonic superpartners are the auxiliary fields. The general N=1 supermultiplet is interpreted in terms ...
['1997-01-02']
11,965
['eng']
['Kopeliovich, V B', 'Stern, B E']
['SU(3)-skyrmions']
['Particle Physics - Theory']
['talk, Yaroslavl 1996/05/05', 'Skyrme model', 'symmetry, SU(3)', 'bound state', 'field equations, Skyrmion', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612211']
['The consideration of the bound skyrmions with large strangeness content is continued. The connection between B=2 SO(3)-hedgehog and SU(2)-torus is investigated and the quantization of the dipole- type configuration with large strangeness content is described.']
['1997-01-02']
11,966
['eng']
['Wieczerkowski, C']
['Running coupling expansion for the renormalized $\\phi^4_4$-trajectory from renormalization invariance']
['Particle Physics - Theory']
['phi**n model, 4', 'renormalization group, beta function', 'renormalization, invariance', 'differential equations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612214']
['We formulate a renormalized running coupling expansion for the beta-function and the potential of the renormalized $\\phi^4$-trajectory on four dimensional Euclidean space-time. Renormalization invariance is used as a first principle. No reference is made to bare quantities. The expansion is proved to be finite to al...
['1997-01-02']
11,967
['eng']
['Periwal, V']
['Antibranes and crossing symmetry']
['Particle Physics - Theory']
['membrane model, p-brane', 'symmetry, U(N,M)', 'analytic properties', 'soliton', 'supersymmetry', 'symmetry, crossing']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612215']
['Crossing symmetry appears in Dbrane-anti-Dbrane dynamics in the form of an analytic continuation from U(N) for N brane amplitudes to U(N-p,p) for the interactions of N-p branes with p anti-branes. I consider the consequences for supersymmetry and brane-anti-brane forces.']
['1997-01-02']
11,968
['eng']
['Rozansky, L', 'Witten, Edward']
['Hyper-Kähler Geometry and Invariants of Three-Manifolds']
['Particle Physics - Theory']
['sigma model, nonlinear', 'dimension, 3', 'field theory, topological', 'partition function', 'perturbation theory, higher-order', 'invariance, Becchi-Rouet-Stora', 'geometry, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612216']
["We study a 3-dimensional topological sigma-model, whose target space is a hyper-Kahler manifold X. A Feynman diagram calculation of its partition function demonstrates that it is a finite type invariant of 3-manifolds which is similar in structure to those appearing in the perturbative calculation of the Chern-Simons...
['1997-01-02']
11,969
['eng']
['Bernard, D', 'Maassarani, Z', 'Mathieu, P']
['Logarithmic Yangians in WZW models']
['Particle Physics - Theory']
['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'current, nonlocal', 'current algebra', 'operator product expansion', 'analytic properties']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612217']
['A new action of the Yangians in the WZW models is displayed. Its structure is generic and level independent. This Yangian is the natural extension at the conformal point of the one unravelled in massive theories with current algebras. Expectingly, this new symmetry of WZW models will lead to a deeper understanding of...
['1997-01-02']
11,970
['eng']
['Bischoff, J', 'Lechtenfeld, O']
['Path-Integral Quantization of the (2,2) String']
['Particle Physics - Theory']
['string model', 'supersymmetry, space-time', 'path integral', 'Riemann surfaces', 'background field', 'bosonization', 'field theory, instanton', 'moduli space', 'cohomology, Becchi-Rouet-Stora']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612218']
['A complete treatment of the (2,2) NSR string in flat (2+2) dimensional spacetime is given, from the formal path integral over N=2 super Riemann surfaces to the computational recipe for amplitudes at any loop or gauge instanton number. We perform in detail the superconformal gauge fixing, discuss the spectral flow, an...
['1997-01-02']
11,971
['eng']
['Ciafaloni, M']
['Higher Topologies in 2+1-Gravity']
['Particle Physics - Theory']
['gravitation', 'coupling, matter', 'dimension, 3', 'topology', 'dependence, gauge', 'Riemann surfaces']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612219']
['I argue that the first-order formalism recently found to describe classical 2+1-Gravity with matter, is also able to include higher topologies. The present gauge, which is conformal with vanishing York time, is characterized by an analytic mapping from single-valued coordinates to Minkowskian ones. In the torus case,...
['1997-01-02']
11,972
['eng']
['Sezgin, E']
['Chiral Reductions of the M-Algebra']
['Particle Physics - Theory']
['talk, Trieste 1996/06/10', 'supersymmetry, algebra', 'algebra, Poincare', 'algebra, M-algebra', 'algebra, representation', 'dimension, 11']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612220']
['We present the chiral truncation of the eleven dimensional M-algebra down to ten and six dimensions. In ten dimensions, we obtain a topological extension of the $(1,0)$ Poincaré superalgebra that includes super one-form and super five-form charges. Closed super three- and seven-forms associated with this algebra are ...
['1997-01-02']
11,973
['eng']
['García-Compéan, H', 'Plebanski, J F']
['On the Weyl-Wigner-Moyal Description of $SU(\\infty)$ Nahm Equations']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'gauge field theory, SU(infinity)', 'field equations, monopole', 'duality', 'field theory, deformation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612221']
['We show how the reduced Self-dual Yang-Mills theory described by the Nahm equations are carried over to the Weyl-Wigner-Moyal formalism employed recently in Self-dual gravity. Evidence of the existence of correspondence between BPS magnetic monopoles and space-time hyper-Kähler metrics is given.']
['1997-01-02']
11,974
['eng']
['Li, M']
['Strings from IIB Matrices']
['Particle Physics - Theory']
['string model', 'field theory, action', 'matrix model', 'operator, vertex', 'operator, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612222']
['D-string action is constructed from IIB matrices, a spacetime commutator is essential in this construction. This hints at the central role of the spacetime uncertainty relation in a unified formulation of strings. Vertex operators of fundamental strings are also discussed.']
['1997-01-02']
11,975
['eng']
['Lifschytz, G']
['Four-Brane and Six-Brane Interactions in M(atrix) Theory']
['Particle Physics - Theory']
['membrane model, p-brane', 'p-brane, 4', 'p-brane, 6', 'membrane model, interaction', 'field theory, M-theory', 'matrix model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612223']
["We discuss the proposed description of configurations with four-branes and six-branes in m(atrix) theory. Computing the velocity dependent potential between these configurations and gravitons and membranes, we show that they agree with the short distance string results computed in type IIa string theory. Due to the `...
['1997-01-02']
11,976
['eng']
['Wetterich, C']
['Time Evolution of Non-Equilibrium Effective Action']
['Particle Physics - Theory']
['statistical mechanics', 'partition function', 'correlation function', 'Dyson-Schwinger equation', 'perturbation theory, higher-order', 'time dependence']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612206']
['The time evolution of correlation functions in statistical systems is described by an exact functional differential equation for the corresponding generating functionals. This allows for a systematic discussion of non-equilibrium physics and the approach to equilibrium without the need of solving the nonlinear micros...
['1996-12-20']
11,977
['eng']
['Lópes-Cardoso, G']
['Perturbative gravitational couplings and Siegel modular forms in $D=4, N=2$ string models']
['Particle Physics - Theory']
['talk, Buckow 1996/08/27', 'string model', 'supersymmetry', 'duality', 'potential, prepotential', 'soliton']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612200']
['We consider four-parameter $D=4,N=2$ string models with Hodge numbers $(4,214- 12n)$ and $(4,148)$, and we express their perturbative Wilsonian gravitational coupling $F_1$ in terms of Siegel modular forms.']
['1996-12-20']
11,978
['eng']
['Ghoroku, K']
['Field condensations and Noncritical String for c>1']
['Particle Physics - Theory']
['quantum gravity', 'dimension, 2', 'central charge, >1', 'string model', 'vacuum state', 'perturbation theory, higher-order', 'duality', 'gauge field theory, condensation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612201']
['Quantum theory of 2d gravity for $c>1$ is examined as a non-critical string theory by taking account of the loop-correction of open strings whose end points are on the 2d world surface of the closed string. This loop-correction leads to a conformal anomaly, and we obtain a modified target-space action which implies a...
['1996-12-20']
11,979
['eng']
['Andrianopoli, Laura', "D'Auria, R", 'Ferrara, Sergio', 'Fré, P', 'Minasian, R', 'Trigiante, M']
['Solvable Lie Algebras in Type IIA, Type IIB and M Theories']
['Particle Physics - Theory']
['algebra, Lie', 'algebra, representation', 'commutation relations', 'string model', 'supersymmetry', 'spontaneous compactification, torus', 'M-theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612202']
['We study some applications of solvable Lie algebras in type IIA, type IIB and M theories. RR and NS generators find a natural geometric interpretation in this framework. Special emphasis is given to the counting of the abelian nilpotent ideals (translational symmetries of the scalar manifolds) in arbitrary D dimensio...
['1996-12-20']
11,980
['eng']
['Claus, P', 'de Wit, B', 'Faux, M', 'Termonia, P']
['Chern-Simons Couplings and Inequivalent Vector-Tensor Multiplets']
['Particle Physics - Theory']
['gauge field theory', 'supersymmetry', 'field theory, vector', 'field theory, tensor', 'particle, multiplet', 'duality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612203']
['The off-shell vector-tensor multiplet is considered in an arbitrary background of N=2 vector supermultiplets. We establish the existence of two inequivalent versions, characterized by different Chern-Simons couplings. In one version the vector field of the vector-tensor multiplet is contained quadratically in the Che...
['1996-12-20']
11,981
['eng']
['Costa, M S', 'Papadopoulos, G J']
['Superstring dualities and p-brane bound states']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'membrane model, p-brane', 'bound state', 'duality', 'field theory, M-theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612204']
['We show that the M-theory/IIA and IIA/IIB superstring dualities together with the diffeomorphism invariance of the underlying theories require the presence of certain p-brane bound states in IIA and IIB superstring theories preserving 1/2 of the spacetime supersymmetry. We then confirm the existence of IIA and IIB su...
['1996-12-20']
11,982
['eng']
['Fröhlich, J', 'Grandjean, O', 'Recknagel, A']
['Supersymmetric quantum theory and (non-commutative) differential geometry']
['Particle Physics - Theory']
['differential geometry, noncommutative', 'quantum mechanics', 'supersymmetry', 'algebra, Clifford', 'spin', 'differential geometry, Kaehler', 'differential geometry, symplectic', 'differential forms', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612205']
["We reconsider differential geometry from the point of view of the quantum theory of non-relativistic spinning particles, which provides examples of supersymmetric quantum mechanics. This enables us to encode geometrical structure in algebraic data consisting of an algebra of functions on a manifold and a family of su...
['1996-12-20']
11,983
['eng']
['Csáki, C', 'Schmaltz, M', 'Skiba, W']
['Confinement in N=1 SUSY Gauge Theories and Model Building Tools']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry', 'confinement', 'symmetry breaking, chiral', 'particle, multiplet', 'group theory, representation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612207']
['We develop a systematic approach to confinement in N=1 supersymmetric theories. We identify simple necessary conditions for theories to confine without chiral symmetry breaking and to generate a superpotential non-perturbatively (s-confine). Applying these conditions we identify all N=1 theories with a single gauge g...
['1996-12-20']
11,984
['eng']
['Abou-Zeid, M', 'Hull, C M']
['Geometry, Isometries and Gauging of (2,1) Heterotic $\\Sigma$-Models']
['Particle Physics - Theory']
['string model, heterotic', 'sigma model, nonlinear', 'geometry', 'gauge field theory', 'symmetry, transformation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612208']
['The geometry of (2,1) supersymmetric sigma-models is reviewed and the conditions under which they have isometry symmetries are analysed. Certain potentials are constructed that play an important role in the gauging of such symmetries. The gauged action is found for a special class of models.']
['1996-12-20']
11,985
['eng']
['Zheng, Z', 'Wu, K', 'Wang, S', 'Hu, J']
['Topological quantum field theory and crossing number']
['Particle Physics - Theory']
['field theory, topological', 'cohomology', 'partition function']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612184']
['In this paper, we construct a new topological quantum field theory of cohomological typed and show that its partition function is a crossing number.']
['1996-12-19']
11,986
['eng']
['Das-Gupta, K', 'Mukhi, S']
['A Note on Low-Dimensional String Compactifications']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'spontaneous compactification, K(3)', 'anomaly, gravitation', 'duality, transformation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612188']
['We study supersymmetric compactifications of type II strings on eightfolds to two dimensions. It is demonstrated that the type IIB string on an eightfold is free of gravitational anomalies. T-duality requires that this theory when further compactified on a circle must have a vacuum momentum; this is explicitly shown ...
['1996-12-19']
11,987
['eng']
['Navarro, M', 'Calixto, M', 'Aldaya, V']
['Relativistic Field Equations from Higher-Order Polarizations of the Poincaré Group']
['Particle Physics - Theory']
['group theory, Poincare', 'group theory, representation', 'field equations, relativistic', 'wave function', 'Dirac equation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612189']
['The theory of linear relativistic fields is shown to arise in a unified manner from configuration-space higher-order representations of the Poincaré group. It is shown that a de Sitter subalgebra, in the massive case, and a Poincaré subalgebra, in the massless case, of the enveloping algebra of the Poincaré group are...
['1996-12-19']
11,988
['eng']
['Geyer, B', 'Shilnov, Yu I']
['Curvature-induced phase transition in three-dimensional Thirring model']
['Particle Physics - Theory']
['Thirring model', 'dimension, 3', 'space-time', 'fermion, composite', 'effective potential', 'symmetry breaking, chiral', 'critical phenomena', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612190']
['The effective potential of composite fermion fields in three-dimensional Thirring model in curved spacetime is calculated in linear curvature approximation. The phase transition accompanied by the creation of non-zero chiral invariant bifermionic vector-like condensate is shown to exist. The type of this phase transi...
['1996-12-19']
11,989
['eng']
['Berman, D S']
['Classical Duality from Compactification of Self Dual 5-form Maxwell Theory in 10 dimensions']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'gauge field theory, tensor', 'dimension, 10', 'spontaneous compactification', 'duality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612191']
['Duality of abelian gauge theories are considered. By compactifying a self dual p-form theory on some compact space, we determine the duality generator of the gauge theory. In this picture duality is seen as a consequence of the geometry of the compact space. We describe the compactification of 10-dimensional self dua...
['1996-12-19']
11,990
['eng']
['Förste, S', 'Louis, J']
['Duality in String Theory']
['Particle Physics - Theory']
['talk, London 1996/07/05', 'string model', 'supersymmetry', 'spontaneous compactification, torus', 'duality', 'field theory, F-theory', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612192']
['In this lecture we review some of the recent developments in string theory on an introductory and qualitative level. In particular we focus on S-T-U dualities of toroidally compactified ten-dimensional string theories and outline the connection to M-theory. Dualities among string vacua with less supersymmetries in si...
['1996-12-19']
11,991
['eng']
['Ford, C', 'Wiesendanger, C']
['Multi-scale Renormalization']
['Particle Physics - Theory']
['phi**n model, 4', 'fermion', 'coupling, Yukawa', 'effective potential', 'perturbation theory, higher-order', 'regularization, dimensional', 'renormalization group, integrability']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612193']
['The Standard MS renormalization prescription is inadequate for dealing with multi-scale problems. To illustrate this we consider the computation of the effective potential in the Higgs-Yukawa model. It is argued that it is natural to employ a two-scale renormalization group. We give a modified version of a two-scale ...
['1996-12-19']
11,992
['eng']
['Dunne, G', 'Lee, K', 'Lü, C']
['On The Finite Temperature Chern-Simons Coefficient']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'fermion, flavor', 'symmetry, SU(N)', 'finite temperature', 'effective action', 'Chern-Simons term']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612194']
['We compute the exact finite temperature effective action in a 0+1-dimensional field theory containing a topological Chern-Simons term, which has many features in common with 2+1-dimensional Chern-Simons theories. This exact result explains the origin and meaning of puzzling temperature dependent coefficients found in...
['1996-12-19']
11,993
['eng']
['Chalmers, G', 'Rocek, Martin', 'Von Unge, R']
['Monopoles in Quantum Corrected N=2 Super Yang-Mills Theory']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry', 'effective Hamiltonian', 'field theory, monopole']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612195']
['We study the low-energy effective Hamiltonian of N=2 super Yang-Mills theories. We find that the BPS equations are unchanged outside a quantum core where higher dimension contributions are expected to be important. We find two quantum generalizations of the BPS soliton. The leading higher-derivative correction to the...
['1996-12-19']
11,994
['eng']
['Gates, S J', 'Grisaru, Marc T', 'Knutt-Wehlau, M E', 'Rocek, Martin', 'Soloviev, O A']
['N = 1 Supersymmetric Extension of the QCD Effective Action']
['Particle Physics - Theory']
['gauge field theory, SU(3) x SU(3)', 'fermion', 'effective action', 'supersymmetry, superfield', 'sigma model, nonlinear', 'duality, transformation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612196']
['We present a new 4D, N = 1 supersymmetric nonlinear sigma-model using complex linear and chiral superfields that generalizes the effective action of Gasser and Leutwyler for the massless limit of QCD.']
['1996-12-19']
11,995
['eng']
['Motl, L']
['Quaternions and M(atrix) theory in spaces with boundaries']
['Particle Physics - Theory']
['matrix model', 'field theory, M-theory', 'string model', 'supersymmetry', 'space-time, boundary condition', 'algebra, quaternion']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612198']
['A proposal for the matrix model formulation of the M-theory on a space with boundary is given. A general machinery for modding out a symmetry in M(atrix) theory is used for a Z_2 symmetry changing the sign of the X_1 coordinate. The construction causes the elements of matrices to be equivalent to quaternions and the ...
['1996-12-19']
11,996
['eng']
['Frolov, V', 'Hendy, S', 'De Villiers, J P']
['Rigidly Rotating Strings in Stationary Axisymmetric Spacetimes']
['Particle Physics - Theory']
['string model', 'space-time', 'symmetry, axial', 'field equations, solution', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612199']
['In this paper we study a motion of a rigidly rotating Nambu-Goto test string in a stationary axisymmetric background spacetime. As special examples we consider rigid rotation of strings in a flat spacetime, where explicit analytic solutions can be obtained, and in the Kerr spacetime.']
['1996-12-19']
11,997
['eng']
['Devchand, C', 'Nuyts, J']
['Self-duality in Generalized Lorentz Superspaces']
['Particle Physics - Theory']
['supersymmetry, superspace', 'gauge field theory, Yang-Mills', 'duality']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612176']
['We extend the notion of self-duality to spaces built from a set of representations of the Lorentz group with bosonic or fermionic behaviour, not having the traditional spin-one upper-bound of super Minkowski space. The generalized derivative vector fields on such superspaces are assumed to form a superalgebra. Introd...
['1996-12-18']
11,998
['eng']
['Hirayama, M', 'Zhang, H M', 'Hamada, T']
['Induced Gauge Structure of Quantum Mechanics on $S^D$']
['Particle Physics - Theory']
['quantum mechanics', 'space-time, S(D)', 'gauge field theory, induced', 'field theory, monopole', 'field theory, instanton']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612175']
["The Ohnuki-Kitakado (O-K) scheme of quantum mechanics on S^D embedded in R^{D+1} is investigated. Generators satisfying the O-K algebra is written down explicitly in term of the induced gauge potential. A direct method is developed to obtain the generators in covariant form. It is seen that the Wu-Yang monopole (D=2)...
['1996-12-18']
11,999
['eng']
['Bengtsson, I']
['Manifest Duality in Born-Infeld Theory']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'field theory, action', 'duality, transformation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612174']
['Born-Infeld theory is formulated using an infinite set of gauge fields, along the lines of McClain, Wu and Yu. In this formulation electromagnetic duality is generated by a fully local functional. The resulting consistency problems are analyzed and the formulation is shown to be consistent.']
['1996-12-18']