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 |
|---|---|---|---|---|---|---|---|---|
13,600 | ['eng'] | ['Kiritsis, Elias B', 'Kounnas, Costas', 'Petropoulos, P M', 'Rizos, J'] | ['On the heterotic effective action at one-loop, gauge couplings and the gravitational sector'] | ['Particle Physics - Theory'] | ['talk, Corfu 1995/09/03', 'string model, heterotic', 'effective action', 'perturbation theory, higher-order', 'operator, vertex', 'coupling constant', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605011'] | ['We present in detail the procedure for calculating the heterotic one-loop effective action. We focus on gravitational and gauge couplings. We show that the two-derivative couplings of the gravitational sector are not renormalized at one loop when the ground state is supersymmetric. Arguments are presented that this n... | ['1996-05-03'] |
13,601 | ['eng'] | ['Petropoulos, P M'] | ['One loop corrections to coupling constants in string effective field theory'] | ['Particle Physics - Theory'] | ['talk, Corfu 1995/09/03', 'string model', 'supersymmetry', 'scattering amplitude', 'partition function', 'moduli space', 'renormalization', 'field theory, orbifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605012'] | ['In the framework of a recently proposed method for computing exactly string amplitudes regularized in the infra-red, I determine the one-loop correlators for auxiliary fields in the symmetric Z_2\\times Z_2 orbifold model. The D-field correlation function turns out to give the one-loop corrections for the gauge coupl... | ['1996-05-03'] |
13,602 | ['eng'] | ['Chekhov, L O', 'Kristjansen, C F'] | ['Hermitian matrix model with plaquette interaction'] | ['Particle Physics - Theory'] | ['matrix model', 'random lattice', 'symmetry, O(N)', 'transformation, conformal', 'potential', 'saddle-point approximation', 'critical phenomena', 'universality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605013'] | ['We study a hermitian (n+1)-matrix model with plaquette interaction, \\sum_{i=1}^n MA_iMA_i. By means of a conformal transformation we rewrite the model as an O(n) model on a random lattice with a non polynomial potential. This allows us to solve the model exactly. We investigate the critical properties of the plaquet... | ['1996-05-03'] |
13,603 | ['eng'] | ['De Souza, M M'] | ['Causality and self-consistency in classical electrodynamics'] | ['Particle Physics - Theory'] | ['electromagnetic field, classical', 'electron, propagator', 'propagator, renormalization', 'energy, tensor', 'causality', 'conservation law, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605014'] | ['We present a pedagogical review of old inconsistencies of Classical Electrodynamics and of some new ideas that solve them. Problems with the electron equation of motion and with the non-integrable singularity of its self-field energy tensor are well known. They are consequences, we show, of neglecting terms that are ... | ['1996-05-03'] |
13,604 | ['eng'] | ['Ball, J', 'Chen, W'] | ['Critical statistical charge for anyonic superconductivity'] | ['Particle Physics - Theory'] | ['postulated particle, anyon', 'superconducting, anyon', 'anyon, superconducting', 'gauge field theory, abelian', 'Chern-Simons term', 'coupling, matter', 'matter, coupling', 'dimension, 3', 'Dyson-Schwinger equation, solution', 'charge, statistical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605015'] | ['We examine a criterion for the anyonic superconductivity at zero temperature in Abelian matter-coupled Chern-Simons gauge field theories in three dimensions. By solving the Dyson-Schwinger equations, we obtain a critical value of the statistical charge for the superconducting phase in a massless fermion-Chern-Simons ... | ['1996-05-03'] |
13,605 | ['eng'] | ['Muto, T'] | ['On thermodynamics of black p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'black hole', 'thermodynamics', 'approximation, quasiclassical', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605017'] | ['Thermodynamic properties of a class of black p-branes in D-dimensions considered by Duff and Lu are investigated semi-classically. For black (d-1)-brane, thermodynamic quantities depend on D and d only through the combination \\tilde d \\equiv D-d-2. The behavior of the Hawking temperature and the lifetime vary with ... | ['1996-05-03'] |
13,606 | ['eng'] | ['Martín, C P', 'Gracía-Bondía, José M', 'Varilly, J C'] | ['The standard model as a noncommutative geometry'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'differential geometry, noncommutative', 'space-time, Minkowski', 'perturbation theory, higher-order', 'Higgs particle, mass', 'mass, Higgs particle', 'mass, truth', 'truth, mass', 'Lagrangian formalism', 'renormalization group', 'duality', 'anomaly', 'numerical calculations', 'bibliography'... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605001'] | ["We render a thorough, physicist's account of the formulation of the Standard Model (SM) of particle physics within the framework of noncommutative differential geometry (NCG). We work in Minkowski spacetime rather than in Euclidean space. We lay the stress on the physical ideas both underlying and coming out of the n... | ['1996-05-02'] |
13,607 | ['eng'] | ['Carow-Watamura, U', 'Watamura, S'] | ['Chirality and Dirac operator on noncommutative sphere'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'space-time, sphere', 'differential geometry, noncommutative', 'operator, algebra', 'coherent state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605003'] | ["We give a derivation of the Dirac operator on the noncommutative 2-sphere within the framework of the bosonic fuzzy sphere and define Connes' triple. It turns out that there are two different types of spectra of the Dirac operator and correspondingly there are two classes of quantized algebras. As a result we obtain ... | ['1996-05-02'] |
13,608 | ['eng'] | ['Long, D V', 'Shore, Graham M'] | ['The Schrödinger wave functional and vacuum states in curved spacetime'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'Schroedinger equation', 'wave function', 'astrophysics', 'particle, production', 'production, particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605004'] | ['The Schrodinger picture description of vacuum states in curved spacetime is further developed. General solutions for the vacuum wave functional are given for both static and dynamic (Bianchi type I) spacetimes and for conformally static spacetimes of Robertson-Walker type. The formalism is illustrated for simple cosm... | ['1996-05-02'] |
13,609 | ['eng'] | ['Rivero, A'] | ['On variants of the C + M$_{2}$(C) + M$_{3}$(C) NCG model of elementary particles'] | ['Particle Physics - Theory'] | ['particle, model', 'gauge field theory, SU(2)', 'differential geometry, noncommutative', 'algebra, representation', "postulated particle, Z'", 'quark, operator', 'lepton, operator', 'numerical calculations, interpretation of experiments'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605006'] | ["We investigate restrictions to be imposed over the non commutative geometry model C+M_2+M_3 to make it to fit with experimental data. By constraining the action over quarks, a leptophobic Z' is got"] | ['1996-05-02'] |
13,610 | ['eng'] | ['Douglas, M R'] | ['Gauge fields and d-branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'gauge field theory, Yang-Mills', 'membrane model, p-brane', 'duality', 'field theory, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604198'] | ["We prove that self-dual gauge fields in type I superstring theory are equivalent to configurations of Dirichlet 5-branes, by showing that the world-sheet theory of a Dirichlet 1-brane moving in a background of 5-branes includes an ``ADHM sigma model.'' This provides an explicit construction of the equivalent self-dua... | ['1996-05-01'] |
13,611 | ['eng'] | ['Esposito, G', 'Kamenshchik, A Yu'] | ['Axial gauge in quantum supergravity'] | ['Particle Physics - Theory'] | ['talk, Rome 1996/09/23', 'supergravity', 'quantum gravity', 'axial gauge', 'perturbation theory, higher-order', 'approximation, quasiclassical', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604194'] | ['This paper studies the role of the axial gauge in the semiclassical analysis of simple supergravity about the Euclidean four-ball, when non-local boundary conditions of the spectral type are imposed on gravitino perturbations at the bounding three-sphere. Metric perturbations are instead subject to boundary condition... | ['1996-05-01'] |
13,612 | ['eng'] | ['Lassig, C C', 'Joshi, G C'] | ['Magnetic charge in a nonassociative field theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, monopole', 'algebra, octonion', 'quantization', 'Hamiltonian formalism', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604201'] | ['The violation of the Jacobi identity by the presence of magnetic charge is accomodated by using an explicitly nonassociative theory of octonionic fields. It is found that the dynamics of this theory is simplified if the Lagrangian contains only dyonic charges, but certain problems in the constrained quantisation rema... | ['1996-05-01'] |
13,613 | ['eng'] | ['Bakas, Ioannis', 'Sfetsos, K'] | ['Universal aspects of string propagation on curved backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'space-time', 'any-dimensional', 'differential geometry', 'Wess-Zumino-Witten model', 'coset space, SO(N)/SO(N-1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604195'] | ['String propagation on D-dimensional curved backgrounds with Lorentzian signature is formulated as a geometrical problem of embedding surfaces. When the spatial part of the background corresponds to a general WZW model for a compact group, the classical dynamics of the physical degrees of freedom is governed by the co... | ['1996-05-01'] |
13,614 | ['eng'] | ['Nersessian, A P', 'Ter-Antonian, S V', 'Tsulaia, M M'] | ['A note on quantum Bohlin transformation'] | ['Particle Physics - Theory'] | ['quantum group', 'model, oscillator', 'Schroedinger equation', 'energy levels', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604197'] | ['It is shown, that the reduction of the circular quantum oscillator by the Z_2-group action results to the two systems: a two-dimensional hydrogen atom, and a ``charge - charged magnetic vortex" one, with the spin \\frac 12. Analogously, the Z_N-reduction of the two-dimensional system with the central potential r^{2(N... | ['1996-05-01'] |
13,615 | ['eng'] | ['Quevedo, F', 'Trugenberger, Carlo Andrea'] | ['Phases of antisymmetric tensor field theories'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'field theory, compact', 'differential forms', 'duality', 'Higgs model', 'topology, defect', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604196'] | ["We study the different phases of field theories of compact antisymmetric tensors of rank h-1 in arbitrary space-time dimensions D=d+1. Starting in a `Coulomb' phase, topological defects of dimension d-h-1 ((d-h-1)-branes) may condense leading to a generalized `confinement' phase. If the dual theory is also compact th... | ['1996-05-01'] |
13,616 | ['eng'] | ['Krichever, I M', 'Phong, D H'] | ['On the integrable geometry of soliton equations and N=2 supersymmetric gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field equations, soliton', 'differential geometry, symplectic', 'differential forms', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604199'] | ['We provide a unified construction of the symplectic forms which arise in the solution of both N=2 supersymmetric Yang-Mills theories and soliton equations. Their phase spaces are Jacobian-type bundles over the leaves of a foliation in a universal configuration space. On one hand, imbedded into finite-gap solutions of... | ['1996-05-01'] |
13,617 | ['eng'] | ['Bars, Itzhak'] | ['Duality and hidden dimensions'] | ['Particle Physics - Theory'] | ['talk, Osaka 1995/12/14', 'supersymmetry, algebra', 'algebra, representation', 'duality, transformation', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604200'] | ['Using a global superalgebra with 32 fermionic and 528 bosonic charges, many features of p-brane dualities and hidden dimensions are discussed.'] | ['1996-05-01'] |
13,618 | ['eng'] | ['Sinitskaya, A V', 'Pavlova, E V'] | ['Bound states in nonrelativistic four-fermion interaction model'] | ['Particle Physics - Theory'] | ['four-fermion interaction', 'nonrelativistic', 'bound state', 'Bethe-Salpeter equation', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604190'] | ['The bound states of two particles are studied in frames of non-relativistic quantum field model with current \\times current type interaction by analyzing the Bethe-Salpeter amplitudes. The Bethe-Salpeter equations are obtained in closed form. The existence of Goldstone mode corresponding to the spontaneous breaking ... | ['1996-04-30'] |
13,619 | ['eng'] | ['Graudenz, Dirk'] | ['The quantum gauge principle'] | ['Particle Physics - Theory'] | ['talk, Tegernsee 1996/02/26', 'gauge field theory, Yang-Mills', 'field theory, scalar', 'quantization', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604180'] | ["We consider the evolution of quantum fields on a classical background space-time, formulated in the language of differential geometry. Time evolution along the worldlines of observers is described by parallel transport operators in an infinite-dimensional vector bundle over the space-time manifold. The time evolution... | ['1996-04-30'] |
13,620 | ['eng'] | ['Harikumar, E', 'Sivakumar, M'] | ['Duality and massive gauge invariant theories'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'field theory, tensor', 'field theory, massive', 'massive, field theory', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604181'] | ["Two different massive gauge invariant spin-one theories in 3+1 dimensions, one Stuckelberg formulation and the other `B^{\\wedge}F' theory, with Kalb-Ramond field are shown to be related by duality. This is demonstrated by gauging the global symmetry in the model and constraining the corresponding dual field strength... | ['1996-04-30'] |
13,621 | ['eng'] | ['Esposito, G', 'Kamenshchik, A Yu'] | ['One-loop divergences in simple supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time', 'boundary condition', 'perturbation theory, higher-order', 'regularization, zeta function', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604182'] | ['This paper studies the semiclassical approximation of simple supergravity in Riemannian four-manifolds with boundary, within the framework of \\zeta-function regularization. The massless nature of gravitinos, jointly with the presence of a boundary and a local description in terms of potentials for spin {3\\over 2}, ... | ['1996-04-30'] |
13,622 | ['eng'] | ['Cleaver, G B'] | ['Grand unified theories from superstrings'] | ['Particle Physics - Theory'] | ['talk, Santa Barbara 1995/12/07', 'talk, Coral Gables 1996/01/25', 'string model', 'supersymmetry', 'grand unified theory', 'algebra, Kac-Moody', 'algebra, representation', 'group theory, representation', 'particle, multiplet', 'multiplet, particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604183'] | ['I discuss how traditional grand unified theories, which require adjoint (or higher representation) Higgs fields for breaking to the standard model, can be contained within string theory. The status of stringy free fermionic three generation SO(10) SUSY--GUT models is reviewed. Progress in classification of both SO(10... | ['1996-04-30'] |
13,623 | ['eng'] | ['Buffon, L O', 'Dalmazi, D', 'Zadra, A'] | ['Higher spin constraints and the super (W$_{\\infty/2}$ + W$_{1+\\infty/2}$) algebra in the super eigenvalue model'] | ['Particle Physics - Theory'] | ['matrix model', 'partition function', 'algebra, W(infinity)', 'algebra, constraint', 'spin, high', 'high, spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604184'] | ['We show that the partition function of the super eigenvalue model satisfies an infinite set of constraints with even spins s=4,6,\\cdots,\\infty. These constraints are associated with half of the bosonic generators of the super \\left( W_{\\infty \\over 2}\\oplus W_{{1+\\infty}\\over 2}\\right) algebra. The simplest ... | ['1996-04-30'] |
13,624 | ['eng'] | ['Tang, Z', 'Finkelstein, D R'] | ['Interpretation of the topological terms in gauge system'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'charge, topological', 'Schroedinger equation, Berry phase', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604185'] | ["We provide an alternative interpretation for the topological terms in physics by investigating the low-energy gauge interacting system. The asymptotic behavior of the gauge field at infinity indicates that it traces out a closed loop in the infinite time interval: -infinity, + infinity. Adopting Berry's argument of g... | ['1996-04-30'] |
13,625 | ['eng'] | ['Ivanov, E', 'Sutulin, A'] | ['More on (4,4) supermultiplets in SU(2) x SU(2) harmonic superspace'] | ['Particle Physics - Theory'] | ['supersymmetry, superspace', 'superspace, harmonic', 'symmetry, SU(2) x SU(2)', 'supersymmetry, multiplet', 'multiplet, supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604186'] | ['We define the SU(2)\\times SU(2) harmonic superspace analogs of tensor and nonlinear (4,4), 2D supermultiplets. They are described by constrained analytic superfields and provide an off-shell formulation of a class of torsionful (4,4) supersymmetric sigma models with abelian translational isometries on the bosonic ta... | ['1996-04-30'] |
13,626 | ['eng'] | ['Tang, Z', 'Finkelstein, D R'] | ['Connection between topology and statistics'] | ['Particle Physics - Theory'] | ['topology', 'statistics', 'magnetic field', 'dimension, 3', 'Chern-Simons term', 'gauge field theory', 'anyon', 'magnetic monopole', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604187'] | ["We introduce topological magnetic field in two-dimensional flat space, which admits a solution of scalar monopole that describes the nontrivial topology. In the Chern-Simons gauge field theory of anyons, we interpret the anyons as the quasi-particles composed of fermions and scalar monopoles in such a form that each ... | ['1996-04-30'] |
13,627 | ['eng'] | ['Caicedo, M I', 'Restuccia, A', 'Bol, S'] | ['BF topological theories and infinitely reducible systems'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'field theory, BF', 'differential forms', 'transformation, gauge', 'fibre bundle', 'linear spaces, Hilbert space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604188'] | ['We present a rigurous disscusion for abelian BF theories in which the base manifold of the U(1) bundle is homeomorphic to a Hilbert space. The theory has an infinte number of stages of reducibility. We specify conditions on the base manifold under which the covarinat quantization of the system can be performed unambi... | ['1996-04-30'] |
13,628 | ['eng'] | ['Balasubramanian, V', 'Larsen, F'] | ['On d-branes and black holes in four dimensions'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, interaction', 'interaction, p-brane', 'field theory, M-theory', 'black hole', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604189'] | ['We find extremal four dimensional black holes with finite area constructed entirely from intersecting D-branes. We argue that the microscopic degeneracy of these configurations agrees with the Bekenstein-Hawking entropy formula. The absence of solitonic objects in these configurations may make them useful for dynamic... | ['1996-04-30'] |
13,629 | ['eng'] | ['Tsohantjis, I', 'Kalloniatis, A C', 'Jarvis, P D'] | ['Chord diagrams and BPHZ subtractions'] | ['Particle Physics - Theory'] | ['knot theory', 'phi**n model, 3', 'ladder approximation', 'renormalization', 'perturbation theory', 'correction, vertex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604191'] | ['The combinatorics of the BPHZ subtraction scheme for a class of ladder graphs for the three point vertex in \\phi^3 theory is transcribed into certain connectivity relations for marked chord diagrams (knots with transversal intersections). The resolution of the singular crossings using the equivalence relations in th... | ['1996-04-30'] |
13,630 | ['eng'] | ['Strickland, M', 'Liao, S B'] | ['Effective critical exponents from finite temperature renormalization group'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature', 'renormalization group, transformation', 'critical phenomena', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604192'] | ['Effective critical exponents for the \\lambda \\phi^4 scalar field theory are calculated as a function of the renormalization group block size k_o^{-1} and inverse critical temperature \\beta_c. Exact renormalization group equations are presented up to first order in the derivative expansion and numerical solutions a... | ['1996-04-30'] |
13,631 | ['eng'] | ['Kallosh, R', 'Rajaraman, A'] | ['Brane-anti-brane democracy'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'membrane model', 'black hole', 'entropy', 'duality', 'central charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604193'] | ['We suggest a duality invariant formula for the entropy and temperature of non-extreme black holes in supersymmetric string theory. The entropy is given in terms of the duality invariant parameter of the deviation from extremality and 56 SU(8) covariant central charges. It interpolates between the entropies of Schwarz... | ['1996-04-30'] |
13,632 | ['eng'] | ['Dayi, O F'] | ['Consistent interactions in terms of the generalized fields method'] | ['Particle Physics - Theory'] | ['gauge field theory, BF', 'gauge field theory, tensor', 'differential forms', 'transformation, gauge', 'transformation, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604167'] | ['The interactions which preserve the structure of the gauge interactions of the free theory are introduced in terms of the generalized fields method of solving the Batalin--Vilkovisky master equation. It is shown that by virtue of this method the solution of the descent equations resulting from the cohomological analy... | ['1996-04-29'] |
13,633 | ['eng'] | ['Behrndt, K', 'Bergshoeff, E A', 'Janssen, B'] | ['Intersecting D-branes in ten and six dimensions'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'dimension, 6', 'dimension, 10', 'p-brane, interaction', 'interaction, p-brane', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604168'] | ['We show how, via T--duality, intersecting D-Brane solutions in ten (six) dimensions can be obtained from the elementary D-Brane solutions by embedding a Type IIB D-Brane into a Type IIB Nine--Brane (Five--Brane) and give a classification of such solutions. Whereas the elementary D--brane solutions in d=10 are charact... | ['1996-04-29'] |
13,634 | ['eng'] | ['Carminati, L', 'Iochum, B', 'Schücker, T'] | ['The noncommutative constraints on the standard model à la Connes'] | ['Particle Physics - Theory'] | ['Salam-Weinberg model', 'unified field theory', 'differential geometry, noncommutative', 'mass spectrum', 'coupling constant', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604169'] | ['Noncommutative geometry applied to the standard model of electroweak and strong interactions was shown to produce fuzzy relations among masses and gauge couplings. We refine these relations and show then that they are exhaustive.'] | ['1996-04-29'] |
13,635 | ['eng'] | ['Takata, H'] | ['4-D quantum dilaton gravity during inflation and renormalization at one loop'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, dilaton', 'field equations, solution', 'effective action', 'perturbation theory, higher-order', 'background field', 'renormalization', 'inflationary universe'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604170'] | ['We consider 4D quantum-dilaton gravity with the most general coupling in a homogeneous and isotropic universe, especially an inflationary one, which is essentially characterized by an exponentially expanding scale factor with time. We show that on the inflationary background this theory can be miraculously renormaliz... | ['1996-04-29'] |
13,636 | ['eng'] | ['Schwarz, J H'] | ['Self-dual superstring in six dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 6', 'duality', 'gauge field theory, tensor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604171'] | ['A free superstring with chiral N=2 supersymmetry in six dimensions is proposed. It couples to a two-form gauge field with a self-dual field strength. Compactification to four dimensions on a two-torus gives a strongly coupled N=4 four-dimensional gauge theory with SL(2, Z) duality and an infinite tower of dyons. Vari... | ['1996-04-29'] |
13,637 | ['eng'] | ['Derkachov, S E', 'Manashov, A N'] | ['Generic scaling relation in the scalar $\\phi^{4}$ model'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'operator, composite', 'scaling', 'anomaly, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604173'] | ['The results of analysis of the one--loop spectrum of anomalous dimensions of composite operators in the scalar \\phi^{4} model are presented. We give the rigorous constructive proof of the hypothesis on the hierarchical structure of the spectrum of anomalous dimensions -- the naive sum of any two anomalous dimensions... | ['1996-04-29'] |
13,638 | ['eng'] | ['Kechkin, O V', 'Yurova, M'] | ['Kramer-Neugebauer transformation for Einstein-Maxwell-dilaton-axion theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'gravitation', 'electromagnetic field', 'field theory, dilaton', 'field equations, solution', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604175'] | ['The Kramer--Neugebauer--like transformation is constructed for the stationary axisymmetric D=4 Einstein--Maxwell--dilaton--axion system. This transformation directly maps the dualized sigma--model equations of the theory into the nondualized ones. Also the new chiral 4 \\times 4 matrix representation of the problem i... | ['1996-04-29'] |
13,639 | ['eng'] | ['Skorik, S'] | ['Topics in 2D integrable field theories with boundary interactions'] | ['Particle Physics - Theory'] | ['review', 'field equations, soliton', 'integrability', 'dimension, 2', 'sine-Gordon model', 'Hamiltonian formalism', 'thermodynamics, Bethe ansatz', 'boundary condition', 'energy', 'bound state', 'perturbation theory', 'correlation function', 'bootstrap', 'condensed matter', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604174'] | ["We study different aspects of integrable boundary quantum field theories, focussing mostly on the ``boundary sine-Gordon model'' and its applications to condensed matter physics. The first part of the review deals with formal problems. We analyze the classical limit and perform semi-classical quantization. We show th... | ['1996-04-29'] |
13,640 | ['eng'] | ['Semikhatov, A M', 'Tipunin, I Y'] | ['All singular vectors of the N=2 superconformal algebra via the algebraic continuation approach'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry', 'algebra, representation', 'spectral representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604176'] | ["An explicit construction is given for N=2 singular vectors. General expressions for singular vectors are found in the form of monomials in the `continued' operators by which the universal enveloping algebra of N=2 is extended. This construction is based on extending the extremal diagrams of the N=2 algebra. The monom... | ['1996-04-29'] |
13,641 | ['eng'] | ['Gibbons, G W', 'Rasheed, D A'] | ['Dyson pairs and zero-mass black holes'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'field theory, scalar', 'gauge field theory, U(1)', 'black hole', 'thermodynamics', 'acceleration', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604177'] | ["It has been argued by Dyson in the context of QED in flat spacetime that perturbative expansions in powers of the electric charge e cannot be convergent because if e is purely imaginary then the vacuum should be unstable to the production of charged pairs. We investigate the spontaneous production of such Dyson pairs... | ['1996-04-29'] |
13,642 | ['eng'] | ['Dabholkar, A', 'Park, J'] | ['Strings on orientifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, orbifold', 'any-dimensional', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604178'] | ['We construct several examples of compactification of Type IIB theory on orientifolds and discuss their duals. In six dimensions we obtain models with N=1 supersymmetry, multiple tensor multiplets, and different gauge groups. In nine dimensions we obtain a model that is dual to M-theory compactified on a Klein bottle.... | ['1996-04-29'] |
13,643 | ['eng'] | ['Gauntlett, J P', 'Kastor, D A', 'Traschen, J'] | ['Overlapping branes in M-theory'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'field equations, solution', 'membrane model, p-brane', 'field theory, M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604179'] | ['We construct new supersymmetric solutions of D=11 supergravity describing n orthogonally ``overlapping" membranes and fivebranes for n=2,3,4. Overlapping branes arise after separating intersecting branes in a direction transverse to all of the branes. The solutions, which generalize known intersecting brane solutions... | ['1996-04-29'] |
13,644 | ['eng'] | ['Brustein, Ram'] | ['Spectrum of cosmic gravitational wave background'] | ['Particle Physics - Theory'] | ['talk, Pisa 1996/03/19', 'gravitational radiation, spectra', 'spectra, gravitational radiation', 'background, stochastic', 'astrophysics, string', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604159'] | ['Models of string cosmology predict a stochastic background of gravitational waves with a spectrum that is strongly tilted towards high frequencies. I give simple approximate expressions for spectral densities of the cosmic background which can be directly compared with sensitivities of gravitational wave detectors.'] | ['1996-04-26'] |
13,645 | ['eng'] | ['Avramidi, I G'] | ['A model of stable chromomagnetic vacuum in higher-dimensional Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, >4', 'effective action', 'perturbation theory, higher-order', 'regularization, zeta function', 'vacuum state, stability', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604160'] | ["We study the effective action in Euclidean Yang-Mills theory with a compact simple gauge group in one-loop approximation assuming a covariantly constant gauge field strength as a background. For groups of higher rank and spacetimes of higher dimensions such field configurations have many independent color components ... | ['1996-04-26'] |
13,646 | ['eng'] | ['Balog, J', 'Niedermaier, M R', 'Hauer, T'] | ['Perturbative versus non-perturbative QFT'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(3)', 'perturbation theory', 'nonperturbative', 'tensor, energy-momentum', 'two-point function', 'spectral representation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604161'] | ['The two-point functions of the energy-momentum tensor and the Noether current are used to probe the O(3) nonlinear sigma model in an energy range below 10^4 in units of the mass gap m. We argue that the form factor approach, with the form factor series trunctated at the 6-particle level, provides an almost exact solu... | ['1996-04-26'] |
13,647 | ['eng'] | ['Janik, R A'] | ['The odderon and invariants of elliptic curves'] | ['Particle Physics - Theory'] | ['talk, Cracow 1996/01/05', 'quantum chromodynamics', 'model, odderon', 'Lipatov equation', 'model, pomeron', 'invariance, modular', 'invariance, SL(2,C)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604162'] | ["In this talk we present some links of the theory of the odderon with elliptic curves. These results were obtained in an earlier work \\cite{RJ}. The natural degrees of freedom of the odderon turn out to coincide with conformal invariants of elliptic curves with a fixed `sign'. This leads to a formulation of the odder... | ['1996-04-26'] |
13,648 | ['eng'] | ['Gitman, D M', 'Odintsov, S D'] | ['Chiral symmetry breaking in d=3 NJL model in external gravitational and magnetic fields'] | ['Particle Physics - Theory'] | ['space-time', 'Jona-Lasinio-Nambu model', 'magnetic field', 'dimension, 3', 'symmetry breaking, chiral', 'perturbation theory, higher-order', 'renormalization', 'effective potential', 'expansion 1/N', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604163'] | ['The phase structure of d=3 Nambu-Jona-Lasinio model in curved spacetime with magnetic field is investigated in the leading order of the 1/N-expansion and in linear curvature approximation (an external magnetic field is treated exactly). The possibility of the chiral symmetry breaking under the combined action of the ... | ['1996-04-26'] |
13,649 | ['eng'] | ['Kumar, A', 'Ray, K'] | ['Compactification of M-theory to two dimensions'] | ['Particle Physics - Theory'] | ['supergravity, chiral', 'dimension, 2', 'field theory, M-theory', 'spontaneous compactification', 'anomaly', 'particle, multiplet', 'multiplet, particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604164'] | ['Compactifications of M-theory to two dimesnional space-time on {(K3\\times \\T^5)}/ \\Z_2 and {(K3\\times K3\\times \\S^1)}/ \\Z_2 orientifolds are presented. These orientifolds provide examples of anomaly free chiral supergravity models in two dimensions with (8, 0) and (4, 0) supersymmetries. Anomaly free spectra a... | ['1996-04-26'] |
13,650 | ['eng'] | ['Bonora, L', 'Krivonos, S', 'Sorin, A'] | ['Toward the construction of N=2 supersymmetric integrable hierarchies'] | ['Particle Physics - Theory'] | ['differential equations, nonlinear', 'differential equations, hierarchy', 'supersymmetry', 'operator, Lax', 'Hamiltonian formalism', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604165'] | ['We formulate a conjecture for the three different Lax operators that describe the bosonic sectors of the three possible N=2 supersymmetric integrable hierarchies with N=2 super W_n second hamiltonian structure. We check this conjecture in the simplest cases, then we verify it in general in one of the three possible s... | ['1996-04-26'] |
13,651 | ['eng'] | ['Klebanov, Igor R', 'Tseytlin, Arkady A'] | ['Intersecting M-branes as four-dimensional black holes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field equations, solution', 'membrane model, p-brane', 'p-brane, interaction', 'interaction, p-brane', 'spontaneous compactification', 'black hole, dyon', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604166'] | ['We present two 1/8 supersymmetric intersecting p-brane solutions of 11-dimensional supergravity which upon compactification to four dimensions reduce to extremal dyonic black holes with finite area of horizon. The first solution represents a configuration of three intersecting 5-branes with an extra momentum flow alo... | ['1996-04-26'] |
13,652 | ['eng'] | ['Lifschytz, G'] | ['Comparing d-branes to black-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'scattering', 'potential', 'supersymmetry', 'black hole', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604156'] | ['We calculate the potential between two different stationary D-branes and the velocity dependent potential between two different moving D-branes. We identify configurations with some unbroken supersymmetry, using a zero force condition. The potentials are compared with an eleven dimensional calculation of the scatteri... | ['1996-04-25'] |
13,653 | ['eng'] | ['Roland, K O', 'Sato, H T'] | ['Multiloop world-line Green functions from string theory'] | ['Particle Physics - Theory'] | ['string model', 'n-point function', 'Riemann surfaces', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604152'] | ['We show how the multiloop bosonic Green function of closed string theory reduces to the world-line Green function as defined by Schmidt and Schubert in the limit where the string world-sheet degenerates into a \\Phi^3 particle diagram. To obtain this correspondence we have to make an appropriate choice of the local c... | ['1996-04-25'] |
13,654 | ['eng'] | ['Kadeishvili, A'] | ['Vertex operators for deformed Virasoro algebra'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'algebra, deformation', 'algebra, representation', 'operator, vertex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604153'] | ['We define vertex operators for Deformed Virasoro Algebra, describe their bosonic representation and write down difference equation for simplest vertex operators.'] | ['1996-04-25'] |
13,655 | ['eng'] | ['Buchbinder, I L', 'Petrov, A Yu'] | ['On quantum model of supergravity compensator'] | ['Particle Physics - Theory'] | ['quantum gravity', 'supersymmetry, superspace', 'effective action', 'perturbation theory, higher-order', 'regularization', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604154'] | ['A new N=1 superfield model in D=4 flat superspace is suggested. This model describes dynamics of chiral compensator and can be treated as a low-energy limit of D=4, N=1 quantum superfield supergravity. Renormalization structure of this model is studied and one-loop counterterms are calculated. It is shown that the th... | ['1996-04-25'] |
13,656 | ['eng'] | ['Coceal, O', 'Sabra, W A', 'Thomas, S'] | ['Conformal solutions of duality invariant 2D magnetohydrodynamic turbulence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'magnetic field', 'model, hydrodynamical', 'model, turbulence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604157'] | ["We consider possible conformal field theory (CFT) descriptions of the various inertial ranges that exist in 2d duality invariant Magnetohydrodynamics. Such models arise as effective theories of dyonic plasmas in 3 dimensions in which all fields are independent of the third coordinate. We find new constraints on the a... | ['1996-04-25'] |
13,657 | ['eng'] | ['Marotta, V', 'Sciarrino, A'] | ['From vertex operators to Calogero-Sutherland models'] | ['Particle Physics - Theory'] | ['integrability', 'dimension, 1', 'operator, vertex', 'operator, differential', 'correlation function', 'algebra, W(N)', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604158'] | ['The correlation function of the product of N generalized vertex operators satisfies an infinite set of Ward identities, related to a W_{\\infty} algebra, whose extension out of the mass shell gives rise to equations which can be considered as a generalization of the compactified Calogero-Sutherland (CS) hamiltonians.... | ['1996-04-25'] |
13,658 | ['eng'] | ['Blumenhagen, R', 'Wißkirchen, A'] | ['Exploring the moduli space of (0,2) strings'] | ['Particle Physics - Theory'] | ['string model', 'sigma model', 'supersymmetry', 'field theory, conformal', 'dimension, 2', 'gauge field theory, SO(10)', 'moduli space, Kaehler', 'n-point function, 3', 'n-point function, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604140'] | ['We use an exactly solvable (0,2) supersymmetric conformal field theory with gauge group SO(10) to investigate the superpotential of the corresponding classical string vacuum. We provide evidence that the rational point lies in the Landau-Ginzburg phase of the linear sigma-model and calculate exactly all three- and fo... | ['1996-04-24'] |
13,659 | ['eng'] | ['Ketov, S V'] | ['All loop finiteness of the four-dimensional Donaldson-Nair-Schiff non-linear sigma-model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'field theory, action', 'background field', 'perturbation theory, higher-order', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604141'] | ['The most general four-dimensional non-linear sigma-model, having the second-order derivatives only and interacting with a background metric and an antisymmetric tensor field, is constructed. Despite its apparent non-renormalizability, just imposing the one-loop UV-finiteness conditions determines the unique model, wh... | ['1996-04-24'] |
13,660 | ['eng'] | ['Strachan, I A B'] | ['A geometry for multidimensional integrable systems'] | ['Particle Physics - Theory'] | ['differential equations, nonlinear', 'integrability', 'hierarchy', 'differential forms', 'algebra, deformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604142'] | ['A deformed differential calculus is developed based on an associative star-product. In two dimensions the Hamiltonian vector fields model the algebra of pseudo-differential operator, as used in the theory of integrable systems. Thus one obtains a geometric description of the operators. A dual theory is also possible,... | ['1996-04-24'] |
13,661 | ['eng'] | ['Sitenko, Yu A'] | ['Self-adjointness of the Dirac hamiltonian and fermion number fractionization in the background of a singular magnetic vortex'] | ['Particle Physics - Theory'] | ['fermion number, fractional', 'vacuum state', 'vortex, magnetic', 'dimension, 3', 'Dirac equation', 'effective Hamiltonian', 'invariance, gauge', 'quantum number', 'charge conjugation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604143'] | ['The method of self-adjoint extensions is employed to determine the vacuum quantum numbers induced by a singular static magnetic vortex in 2+1-dimensional spinor electrodynamics. The results obtained are gauge-invariant and, for certain values of the extension parameter, both periodic in the value of the vortex flux a... | ['1996-04-24'] |
13,662 | ['eng'] | ['Pickering, A', 'West, Peter C'] | ['The one loop effective super-potential and non-holomorphicity'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'Wess-Zumino-Witten model', 'effective potential', 'gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'perturbation theory, higher-order', 'potential, Kaehler', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604147'] | ['We calculate the Kahlerian and the lowest order non-Kahlerian contributions to the one loop effective superpotential using super-Feynman graphs in the massless Wess-Zumino Model, the massive Wess-Zumino Model and N=1, U(1) gauge theory. We also calculate the Kahlerian term in Yang-Mills Theory for a general gauge gro... | ['1996-04-24'] |
13,663 | ['eng'] | ['Kalau, W', 'Walze, M'] | ['Supersymmetry and noncommutative geometry'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'supersymmetry, algebra', 'algebra, Clifford', 'differential forms', 'gauge field theory, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604146'] | ['The purpose of this article is to apply the concept of the spectral triple, the starting point for the analysis of noncommutative spaces in the sense of A.~Connes, to the case where the algebra \\cA contains both bosonic and fermionic degrees of freedom. The operator \\cD of the spectral triple under consideration is... | ['1996-04-24'] |
13,664 | ['eng'] | ['Dvoeglazov, V V'] | ['About the claimed longitudinal nature of the antisymmetric tensor field after quantization'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'quantization', 'Hamiltonian formalism', 'phase space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604148'] | ["It has long been claimed that antisymmetric tensor field of the second rank is longitudinal after quantization. Such a situation is quite unacceptable from a viewpoint of the Correspondence Principle. On the basis of the Lagrangian formalism we calculate the Pauli-Lyuban'sky vector of relativistic spin for this field... | ['1996-04-24'] |
13,665 | ['eng'] | ['Gagne, D G'] | ['Worldline supersymmetry and dimensional reduction'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'particle, relativistic', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604149'] | ['For any worldline reformulation of a quantum field theory for Dirac fermions, this paper shows that worldline supersymmetry may generally be enforced by the vanishing of the commutator of the Dirac operator with the worldline Hamiltonian. The action of supersymmetry on the worldline Lagrangian may not, however, be wr... | ['1996-04-24'] |
13,666 | ['eng'] | ['Maeda, K I', 'Sakamoto, M'] | ['Strong coupling quantum gravity and physics beyond the Planck scale'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'quantum gravity, strong coupling', 'strong coupling, quantum gravity', 'Wheeler-DeWitt equation, solution', 'perturbation theory', 'renormalization', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604150'] | ['We propose a renormalization prescription for the Wheeler-DeWitt equation of (3+1)-dimensional Einstein gravity and also propose a strong coupling expansion as an approximation scheme to probe quantum geometry at length scales much smaller than the Planck length. We solve the Wheeler-DeWitt equation to the second ord... | ['1996-04-24'] |
13,667 | ['eng'] | ['Ohta, Y'] | ['Prepotentials of N=2 SU(2) Yang-Mills theories coupled with massive matter multiplets'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'multiplet, massive', 'massive, multiplet', 'gauge field theory, prepotential', 'approximation, weak coupling', 'weak coupling, approximation', 'monodromy', 'scaling', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604059'] | ['We discuss N=2 SU(2) Yang-Mills gauge theories coupled with N_f (=2,3) massive hypermultiplets in the weak coupling limit. We determine the exact massive prepotentials and the monodromy matrices around the weak coupling limit. We also study that the double scaling limit of these massive theories and find that the mas... | ['1996-04-12'] |
13,668 | ['eng'] | ['Lee, M H', 'Kim, J K'] | ['The entropy of the complex scalar field in a charged Kerr black hole'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'analytic properties', 'space-time', 'black hole', 'entropy', 'partition function', 'temperature, Hawking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604130'] | ['By using the brick wall method we calculate the thermodynamic potential of the complex scalar field in a charged Kerr black hole. Using it we show that in the Hartle-Hawking state the leading term of the entropy is proportional to \\frac{ A _H}{\\epsilon^2}, which becomes divergent as the system approaches the black ... | ['1996-04-23'] |
13,669 | ['eng'] | ['Cremmer, E', 'Gervais, Jean-Loup', 'Schnittger, J'] | ['Hidden U$_{q}$(sl(2)) x U$_{q}$(sl(2)) quantum group symmetry in two dimensional gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 2', 'quantum group, SL(2) x SL(2)', 'quantum group, representation', 'operator, vertex', 'linear spaces, Hilbert space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604131'] | ['In a previous paper, we proposed a construction of U_q(sl(2)) quantum group symmetry generators for 2d gravity, where we took the chiral vertex operators of the theory to be the quantum group covariant ones established in earlier works. The basic idea was that the covariant fields in the spin 1/2 representation thems... | ['1996-04-23'] |
13,670 | ['eng'] | ['Beckers, J', 'Debergh, N M', 'Quesne, C'] | ['Parasupersymmetric quantum mechanics with generalized deformed parafermions'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'statistics, parastatistics', 'operator, algebra', 'algebra, deformation', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604132'] | ['A superposition of bosons and generalized deformed parafermions corresponding to an arbitrary paraquantization order p is considered to provide deformations of parasupersymmetric quantum mechanics. New families of parasupersymmetric Hamiltonians are constructed in connection with two examples of su(2) nonlinear defor... | ['1996-04-23'] |
13,671 | ['eng'] | ['Acharya, B S'] | ['N=1 M-theory-heterotic duality in three dimensions and Joyce manifolds'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'space-time, Spin(7)', 'Spin(7), space-time', 'group theory, G(2)', 'duality', 'field theory, M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604133'] | ["It is argued that M-theory compactified on {\\it any} of Joyce's Spin(7) holonomy 8-manifolds are dual to compactifications of heterotic string theory on Joyce 7-manifolds of G_2 holonomy."] | ['1996-04-23'] |
13,672 | ['eng'] | ['Sladkowski, J'] | ['Exotic smoothness and particle physics'] | ['Particle Physics - Theory'] | ['talk, Bystra 1995/09/19', 'space-time', 'differential geometry', 'topology', 'field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604137'] | ['Short introduction to exotic differential structures on manifolds is given. The possible physical context of this mathematical curiosity is discussed. The topic is very interesting although speculative.'] | ['1996-04-23'] |
13,673 | ['eng'] | ['Larsen, F', 'Wilczek, Frank'] | ['Classical hair in string theory; 1, general formulation'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective action', 'gravitation', 'field theory, dilaton', 'Hamiltonian formalism', 'constraint', 'duality', 'boundary condition', 'black hole', 'charge', 'statistical mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604134'] | ['We discuss why classical hair is desirable for the description of black holes, and show that it arises generically in a wide class of field theories involving extra dimensions. We develop the canonical formalism for theories with the matter content that arises in string theory. General covariance and duality are used... | ['1996-04-23'] |
13,674 | ['eng'] | ['Haagensen, P E'] | ['Duality transformations away from conformal points'] | ['Particle Physics - Theory'] | ['string model', 'sigma model, nonlinear', 'field theory, tensor', 'space-time', 'dimension, 2', 'renormalization group, beta function', 'transformation, duality', 'anomaly, conformal', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604136'] | ['Target space duality transformations are considered for bosonic sigma models and strings away from RG fixed points. A set of consistency conditions are derived, and are seen to be nontrivially satisfied at one-loop order for arbitrary running metric, antisymmetric tensor and dilaton backgrounds. Such conditions are s... | ['1996-04-23'] |
13,675 | ['eng'] | ['Larsen, A L', 'Axenides, M'] | ['Runaway collapse of Witten vortex loops'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'superconducting', 'vortex', 'charge', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604135'] | ['We consider general properties of charged circular cosmic strings in a general family of world-sheet string models. We then specialize to a model recently proposed by Carter and Peter. This model was shown to give a good description of the features of the superconducting cosmic strings originally discovered by Witten... | ['1996-04-23'] |
13,676 | ['eng'] | ['Liu, H', 'Vachaspati, T'] | ['SU(5) monopoles and the dual standard model'] | ['Particle Physics - Theory'] | ['grand unified theory, SU(5)', 'magnetic monopole', 'symmetry breaking', 'group theory, representation', 'field theory, monopole', 'stability', 'spin, statistics', 'statistics, spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604138'] | ["We find the spectrum of magnetic monopoles produced in the symmetry breaking SU(5) \\rightarrow [SU(3)\\times SU(2)\\times U(1)']/Z_6 by constructing classical bound states of the fundamental monopoles. The spectrum of monopoles is found to correspond to the spectrum of one family of standard model fermions and hence... | ['1996-04-23'] |
13,677 | ['eng'] | ['Bars, Itzhak'] | ['Supersymmetry, p-brane duality and hidden space and time dimensions'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'membrane model, p-brane', 'space-time, dimension', 'duality', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604139'] | ['A global superalgebra with 32 supercharges and all possible central extensions is studied in order to extract some general properties of duality and hidden dimensions in a theory that treats p-branes democratically. The maximal number of dimensions is 12, with signature (10,2), containing one space and one time dimen... | ['1996-04-23'] |
13,678 | ['eng'] | ['Berkovits, N'] | ['Super-Poincaré invariant Koba-Nielsen formulas for the superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'invariance, Poincare', 'operator, vertex', 'scattering amplitude', 'phase space, Hilbert space', 'ghost', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604120'] | ['The new spacetime-supersymmetric description of the superstring is used to compute tree-level scattering amplitudes for an arbitrary number of massless four-dimensional states. The resulting Koba-Nielsen formula is manifestly SO(3,1) super-Poincare invariant and is easily generalized to scattering in the presence of ... | ['1996-04-22'] |
13,679 | ['eng'] | ['Pris, I E', 'Schücker, T'] | ['Non-commutative geometry beyond the standard model'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Higgs model', 'unified field theory', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604115'] | ['A natural extension of the standard model within non-commutative geometry is presented. The geometry determines its Higgs sector. This determination is fuzzy, but precise enough to be incompatible with experiment.'] | ['1996-04-22'] |
13,680 | ['eng'] | ['Lavrov, P M', 'Moshin, P Yu'] | ['Physical unitarity in the lagrangian Sp(2)-symmetric formalism'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'quantization', 'Hamiltonian formalism', 'differential geometry, symplectic', 'transformation, Becchi-Rouet-Stora', 'phase space', 'gauge field theory, tensor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604113'] | ['The structure of state vector space for a general (non-anomalous) gauge theory is studied within the Lagrangian version of the Sp(2)-symmetric quantization method. The physical {\\it S}-matrix unitarity conditions are formulated. The general results are illustrated on the basis of simple gauge theory models.'] | ['1996-04-22'] |
13,681 | ['eng'] | ['Bonini, M', 'Marchesini, G', 'Simionato, M'] | ['$\\beta$ function and infrared renormalons in the exact Wilson renormalization group in Yang-Mills theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'gauge field theory, Yang-Mills', 'renormalization group, beta function', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604114'] | ["We discuss the relation between the Gell-Mann-Low beta function and the ``flowing couplings'' of the Wilsonian action S_\\L[\\phi] of the exact renormalization group (RG) at the scale \\L. This relation involves the ultraviolet region of \\L so that the condition of renormalizability is equivalent to the Callan-Syman... | ['1996-04-22'] |
13,682 | ['eng'] | ['Boulatov, D V'] | ['Quantum deformation of lattice gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'lattice field theory, deformation', 'quantum chromodynamics', 'background, topology', 'dimension, 3', 'algebra, Hopf', 'approximation, weak coupling', 'weak coupling, approximation', 'partition function', 'dimensional reduction', 'Riemann surfaces', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604117'] | ['A quantum deformation of 3-dimensional lattice gauge theory is defined by applying the Reshetikhin-Turaev functor to a Heegaard diagram associated to a given cell complex. In the root-of-unity case, the construction is carried out with a modular Hopf algebra. In the topological (weak-coupling) limit, the gauge theory... | ['1996-04-22'] |
13,683 | ['eng'] | ['Mann, R B', 'Solodukhin, S N'] | ['Conical geometry and quantum entropy of a charged Kerr black hole'] | ['Particle Physics - Theory'] | ['black hole, Kerr', 'entropy', 'correction, higher-order', 'space-time, singularity', 'regularization', 'field theory, scalar', 'path integral, quantization', 'expansion, heat kernel', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604118'] | ['We apply the method of conical singularities to calculate the tree-level entropy and its one-loop quantum corrections for a charged Kerr black hole. The Euclidean geometry for the Kerr-Newman metric is considered. We show that for an arbitrary periodization in Euclidean space there exists a conical singularity at the... | ['1996-04-22'] |
13,684 | ['eng'] | ['Green, M B', 'Hull, M', 'Townsend, P K'] | ['D-brane Wess-Zumino actions, T-duality and the cosmological constant'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, p-brane', 'field theory, action', 'supersymmetry', 'duality, transformation', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604119'] | ['A geometrical formulation of the T-duality rules for type II superstring Ramond-Ramond fields is presented. This is used to derive the Wess-Zumino terms in superstring D-brane actions, including terms proportional to the mass parameter of the IIA theory, thereby completing partial results in the literature. For non-a... | ['1996-04-22'] |
13,685 | ['eng'] | ['Berkovits, N'] | ['A new description of the superstring'] | ['Particle Physics - Theory'] | ['lectures, Sao Paulo 1995/02/05', 'string model', 'supersymmetry, algebra', 'transformation, Becchi-Rouet-Stora', 'scattering amplitude, higher-order', 'higher-order, scattering amplitude', 'spontaneous compactification', 'operator product expansion', 'operator, vertex', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604123'] | ['This is a review of the new manifestly spacetime-supersymmetric description of the superstring. The new description contains N=2 worldsheet supersymmetry, and is related by a field redefinition to the standard RNS description. It is especially convenient for four-dimensional compactifications since SO(3,1) super-Poin... | ['1996-04-22'] |
13,686 | ['eng'] | ['Lü, H', 'Mukherji, S', 'Pope, C N', 'Rahmfeld, J'] | ['Loop-corrected entropy of near-extremal dilatonic p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'field theory, dilaton', 'black hole', 'entropy', 'temperature', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604127'] | ['It has recently been shown that for certain classical p-branes, where the dilaton is regular on the horizon, the entropy and temperature satisfy the ideal-gas relation S\\sim T^{p} in the near-extremal regime. We argue that by taking string and worldsheet loop corrections into account, the validity of this entropy/te... | ['1996-04-22'] |
13,687 | ['eng'] | ['Liao, S B', 'Strickland, M'] | ['Dimensional crossover and effective exponents'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature', 'critical phenomena', 'scaling, finite size', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604125'] | ['The critical behavior of the lambda phi^4 scalar field theory is investigated as a function of the final renormalization group transformation block size k_o^{-1} and critical temperature beta_c^{-1}. We demonstrate how the dimensionless finite-size scaling variable betabar_c = beta_c k_o determines whether the three-... | ['1996-04-22'] |
13,688 | ['eng'] | ['Ioannidou, T A'] | ['Soliton solutions and nontrivial scattering in an integrable chiral model in (2+1) dimensions'] | ['Particle Physics - Theory'] | ['model, chiral', 'dimension, 3', 'symmetry, SU(2)', 'field equations, soliton', 'integrability', 'charge, conservation law', 'scattering, soliton', 'soliton, scattering', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604126'] | ['The behaviour of solitons in integrable theories is strongly constrained by the integrability of the theory; i.e. by the existence of an infinite number of conserved quantities which these theories are known to possess. One usually expects the scattering of solitons in such theories to be rather simple, i.e. trivial.... | ['1996-04-22'] |
13,689 | ['eng'] | ['Broadhurst, D J'] | ['On the enumeration of irreducible k-fold Euler sums and their roles in knot theory and field theory'] | ['Particle Physics - Theory'] | ['space-time', 'charge, topological', 'knot theory', 'quantum electrodynamics', 'perturbation theory, higher-order', 'regularization, zeta function', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604128'] | ['A generating function is given for the number, E(l,k), of irreducible k-fold Euler sums, with all possible alternations of sign, and exponents summing to l. Its form is remarkably simple: \\sum_n E(k+2n,k) x^n = \\sum_{d|k}\\mu(d) (1-x^d)^{-k/d}/k, where \\mu is the M\\"obius function. Equivalently, the size of the s... | ['1996-04-22'] |
13,690 | ['eng'] | ['Gimon, E G', 'Johnson, C V'] | ['K3 orientifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'orbifold', 'duality', 'membrane model, p-brane', 'scattering amplitude, higher-order', 'higher-order, scattering amplitude', 'scattering amplitude, factorization', 'factorization, scattering amplitude', 'anomaly', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604129'] | ['We study string theory propagating on R^6 X K3 by constructing orientifolds of Type~IIB string theory compactified on the T^4 Z_N orbifold limits of the K3 surface. This generalises the {\\bf Z}_2 case studied previously. The orientifold models studied may be divided into two broad categories, sometimes related by T-... | ['1996-04-22'] |
13,691 | ['eng'] | ['Flohr, M'] | ['Fusion and tensoring of conformal field theory and composite fermion picture of fractional quantum Hall effect'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'fusion', 'operator product expansion', 'operator, vertex', 'Hall effect, fractional', 'fermion, composite', 'wave function', 'flux', 'group theory, modular'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9605152'] | ["We propose a new way for describing the transition between two quantum Hall effect states with different filling factors within the framework of rational conformal field theory. Using a particular class of non-unitary theories, we explicitly recover Jain's picture of attaching flux quanta by the fusion rules of prima... | ['1996-05-22'] |
13,692 | ['eng'] | ['Bauer, M', 'Costé, A', 'Itzykson, Claude', 'Ruelle, P'] | ['Comments on the links between SU(3) modular invariants, simple factors in the jacobian of Fermat curves, and rational triangular billiards'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'partition function', 'current algebra', 'algebra, affine', 'algebra, representation', 'invariance, SU(3)', 'analytic properties', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604104'] | ['We examine the proposal made recently that the su(3) modular invariant partition functions could be related to the geometry of the complex Fermat curves. Although a number of coincidences and similarities emerge between them and certain algebraic curves related to triangular billiards, their meaning remains obscure. ... | ['1996-04-19'] |
13,693 | ['eng'] | ['Semikhatov, A M'] | ['The non-critical N=2 string is an SL(2/1) theory'] | ['Particle Physics - Theory'] | ['string model', 'algebra, Kac-Moody', 'algebra, SL(2|1)', 'supersymmetry', 'supergravity', 'Wess-Zumino-Witten model', 'conformal gauge', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604105'] | ['Any non-critical N=2 string is shown to have a Kac--Moody sl(2|1) worldsheet symmetry in the conformal gauge.'] | ['1996-04-19'] |
13,694 | ['eng'] | ['Aldabe, F'] | ['A supermembrane description of string-string duality'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'any-dimensional', 'Kaluza-Klein model', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604107'] | ['We show that the open membrane action on T^3\\times S^1/Z^2 is equivalent to the closed membrane action on K3. The main difference between the two actions is that one generates the KK modes in the worldvolume action which is the strong coupling limit of \\IIA\\ while the other action generates the KK modes in a world... | ['1996-04-19'] |
13,695 | ['eng'] | ['Aldabe, F'] | ['T-duality and gauge symmetry in supermembrane theory'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'supersymmetry', 'duality, transformation', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604110'] | ['T-duality has been shown to arise from a gauge symmetry in some string theories. However, in the case of \\IIA\\ compactified on a circle, it is not possible to show that this is the case. This situation is rather uncomfortable since string string duality suggests that all T-dualities should arise from a gauge symmet... | ['1996-04-19'] |
13,696 | ['eng'] | ['Sriramkumar, L', 'Padmanabhan, T'] | ['Does a non-zero tunnelling probability imply particle production in time independent classical electromagnetic backgrounds?'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'field theory, scalar', 'magnetic field, background field', 'effective Lagrangian', 'Schroedinger equation', 'tunneling', 'particle, production', 'production, particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604111'] | ['In this paper, we probe the validity of the tunnelling interpretation that is usually called forth in literature to explain the phenomenon of particle production by time independent classical electromagnetic backgrounds. We show that the imaginary part of the effective lagrangian is zero for a complex scalar field qu... | ['1996-04-19'] |
13,697 | ['eng'] | ['Dienes, K R', 'March-Russell, John David'] | ['Realizing higher-level gauge symmetries in string theory'] | ['Particle Physics - Theory'] | ['symmetry, gauge', 'string model, heterotic', 'effective action', 'grand unified theory', 'algebra, Lie', 'algebra, affine', 'algebra, representation', 'particle, multiplet', 'multiplet, particle', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604112'] | ['We consider the methods by which higher-level and non-simply laced gauge symmetries can be realized in heterotic string theory. We show that all such realizations have a common underlying feature, namely a dimensional truncation of the charge lattice, and we identify such dimensional truncations with certain irregula... | ['1996-04-19'] |
13,698 | ['eng'] | ['Jardim, M'] | ['Coordinate-free derivation of Yang-Mills-Chern-Simons field equations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'fibre bundle', 'field equations', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604095'] | ['In this paper we derive in a coordinate-free manner the field equations for a lagrangean consisting of Yang-Mills kinetical term plus Chern-Simons self-coupling term. This equation turns out to be an eigenvalue equation for the covariant laplacian.'] | ['1996-04-18'] |
13,699 | ['eng'] | ['Zhou Jian Ge', 'Zhang, Z'] | ['Quantisation of 2d-gravity with Weyl and area-preserving diffeomorphism invariances'] | ['Particle Physics - Theory'] | ['gravitation, induced', 'quantization', 'Hamiltonian formalism', 'constraint', 'invariance, diffeomorphism', 'light cone gauge', 'symmetry, SL(2,R)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604093'] | ["The constraint structure of 2D-gravity with the Weyl and area-preserving diffeomorphism invariances is analysed in the ADM formulation. It is found that when the area-preserving diffeomorphism constraints are kept, the usual conformal gauge does not exist, whereas there is the possibility to choose the so-called ``qu... | ['1996-04-18'] |
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