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16,800
['eng']
['Burgess, C P', 'Lütken, C A', 'Quevedo, F']
['Bosonization in higher dimensions']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'fermion, massive', 'massive, fermion', 'bosonization', 'duality, transformation', 'effective Lagrangian']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407078']
['Using the recently discovered connection between bosonization and duality transformations (hep-th/9401105 and hep-th/9403173), we give an explicit path-integral representation for the bosonization of a massive fermion coupled to a U(1) gauge potential (such as electromagnetism) in d space (D=d+1 spacetime) dimensions...
['1994-07-15']
16,801
['eng']
['Levin, J']
['Kinetic inflation in stringy and other cosmologies']
['Particle Physics - Theory']
['inflationary universe', 'energy, density', 'Brans-Dicke model', 'string model', 'field theory, scalar', 'field theory, tensor', 'relativity theory, general', 'transformation, conformal']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407101']
['An inflationary epoch driven by the kinetic energy density in a dynamical Planck mass is studied. In the conformally related Einstein frame it is easiest to see the demands of successful inflation cannot be satisfied by kinetic inflation alone. Viewed in the original Jordan-Brans-Dicke frame, the obstacle is manifest...
['1994-07-18']
16,802
['eng']
['Kiem, Y H']
['Phase transition in spherically symmetric gravitational collapse of a massless scalar field']
['Particle Physics - Theory']
['field theory, scalar', 'field theory, massless', 'massless, field theory', 'critical phenomena', 'relativity theory, general', 'energy, flux', 'flux, energy', 'black hole', 'symmetry, rotational']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407100']
['Phase transition in spherically symmetric collapse of a massless scalar field is studied in 4-d Einstein gravity. A class of exact solutions that show the evolution of a constant incoming energy flux turned on at a point in the past null infinity are constructed to serve as an explicit example. The recently discovere...
['1994-07-18']
16,803
['eng']
['Tseytlin, Arkady A']
['Exact string solutions and duality']
['Particle Physics - Theory']
['talk', 'string model, boson', 'effective action', 'field equations, solution', 'duality', 'space-time', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407099']
["We review known exact classical solutions in (bosonic) string theory. The main classes of solutions are `cosets' (gauged WZW models), `plane wave'-type backgrounds (admitting a covariantly constant null Killing vector) and `F-models' (backgrounds with two null Killing vectors generalising the `fundamental string' sol...
['1994-07-18']
16,804
['eng']
['Sawicki, M', 'Ahluwalia, D V']
['Parity and fermions in front-form']
['Particle Physics - Theory']
['fermion, field theory', 'spinor', 'group theory, Lorentz', 'group theory, representation', 'parity, transformation', 'transformation, parity']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407095']
['We show that under the operation of parity the {\\it front-form} (1/2,\\,0) and (0,\\,1/2) Weyl spinors (massive or massless) do not get interchanged. This has the important consequence that if a front-form theory containing (1/2,\\,0)\\oplus(0,\\,1/2) representation space has to be parity covariant then one must stu...
['1994-07-18']
16,805
['eng']
['Haller, K', 'Lim-Lombridas, E']
['Anyonic states in chern-simons theory']
['Particle Physics - Theory']
['Chern-Simons term', 'gauge field theory', 'dimension, 3', 'postulated particle, anyon', 'quantization', 'anomaly, rotator', 'Gauss law']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407090']
["We discuss the canonical quantization of Chern-Simons theory in 2+1 dimensions, minimally coupled to a Dirac spinor field, first in the temporal gauge and then in the Coulomb gauge. In our temporal gauge formulation, Gauss's law and the gauge condition, A_0 = 0, are implemented by embedding the formulation in an appr...
['1994-07-18']
16,806
['eng']
['Harms, B', 'Leblanc, Y']
['Black objects in the gauge theory of p-branes']
['Particle Physics - Theory']
['membrane model, p-brane', 'gauge field theory', 'field equations, solution', 'bag model', 'black hole']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407088']
['Within the context of the recently formulated classical gauge theory of relativistic p-branes minimally coupled to general relativity in D-dimensional spacetimes, we obtain solutions of the field equations which describe black objects. Explicit solutions are found for two cases: D > p+1 (true p-branes) and D = p+1 (p...
['1994-07-18']
16,807
['eng']
['Seiberg, N', 'Witten, Edward']
['Monopole condensation, and confinement in N=2 supersymmetric yang-mills theory']
['Particle Physics - Theory']
['gauge field theory, SU(2)', 'supersymmetry', 'field theory, dyon', 'vacuum state', 'magnetic monopole, condensation', 'confinement', 'duality', 'effective action', 'approximation, quasiclassical', 'moduli space', 'geometry, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407087']
["We study the vacuum structure and dyon spectrum of N=2 supersymmetric gauge theory in four dimensions, with gauge group SU(2). The theory turns out to have remarkably rich and physical properties which can nonetheless be described precisely; exact formulas can be obtained, for instance, for electron and dyon masses a...
['1994-07-18']
16,808
['eng']
['Skarke, H']
['Renormalization group flow in a general gauge theory']
['General Theoretical Physics']
['gauge field theory, Yang-Mills', 'field theory, scalar', 'fermion', 'coupling, Yukawa', 'Yukawa, coupling', 'renormalization group, transformation', 'renormalization group, beta function', 'perturbation theory, higher-order']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407086']
['The renormalization group flow in a general renormalizable gauge theory with a simple gauge group in 3+1 dimensions is analyzed. The flow of the ratios of the Yukawa couplings and the gauge coupling is described in terms of a bounded potential, which makes it possible to draw a number of non-trivial conclusions conce...
['1994-07-18']
16,809
['eng']
['Kirschner, R']
['Reggeon interactions in perturbative QCD']
['Particle Physics - Theory']
['quantum chromodynamics, perturbation theory', 'gluon, multi-Regge', 'quark, multi-Regge', 'quark gluon, interaction', 'interaction, quark gluon', 'symmetry, conformal', 'factorization']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407085']
['We study the pairwise interaction of reggeized gluons and quarks in the Regge limit of perturbative QCD. The interactions are represented as integral kernels in the transverse momentum space and as operators in the impact parameter space. We observe conformal symmetry and holomorphic factorization in all cases.']
['1994-07-18']
16,810
['eng']
['Nowak, C']
['Flip-moves and graded associative algebras']
['Particle Physics - Theory']
['field theory, topological', 'lattice field theory', 'operator, algebra']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407083']
['The relation between discrete topological field theories on triangulations of two-dimensional manifolds and associative algebras was worked out recently. The starting point for this development was the graphical interpretation of the associativity as flip of triangles. We show that there is a more general relation be...
['1994-07-18']
16,811
['eng']
['Rhedin, H']
['BRST invariant characters of G/H coset models']
['Particle Physics - Theory']
['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'coset space', 'Riemann surfaces', 'invariance, Becchi-Rouet-Stora', 'cohomology']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407082']
['We compute characters of G/H coset models using a BRST invariant character formulae, i.e. a character that respects a BRST invariance of the model. This ensures that only the coset degrees of freedom will propagate. We consider G/H for rank(G/H)=0 models which includes the Kazama-Suzuki construction, and G_{k_1}\\tim...
['1994-07-18']
16,812
['eng']
['Landsman, N P', 'Wiedemann, Urs A']
['Massless particles, electromagnetism, and Rieffel induction']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'axiomatic field theory', 'Hamiltonian formalism', 'phase space, Hilbert space', 'operator, algebra', 'algebra, representation', 'mathematical methods']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9411174', 'http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=scan&id=P00024468']
["The connection between space-time covariant representations (obtained by inducing from the Lorentz group) and irreducible unitary representations (induced from Wigner's little group) of the Poincar\\'{e} group is re-examined in the massless case. In the situation relevant to physics, it is found that these are relate...
['1994-11-24']
16,813
['eng']
['Lee, C H', 'Kim, J H', 'Lee, H K']
['Static solution of the general relativistic nonlinear $\\sigma$model equation']
['Particle Physics - Theory']
['relativity theory, general', 'sigma model, nonlinear', 'field equations, solution', 'tensor, energy-momentum', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407072']
['The nonlinear \\sigma-model is considered to be useful in describing hadrons (Skyrmions) in low energy hadron physics and the approximate behavior of the global texture. Here we investigate the properties of the static solution of the nonlinear \\sigma-model equation coupled with gravity. As in the case where gravity...
['1996-06-24']
16,814
['eng']
['Penati, S', 'Zanon, D']
['Topological correlation functions in Minkowski spacetime']
['Particle Physics - Theory']
['field theory, conformal', 'dimension, 2', 'field theory, Toda', 'supersymmetry, superspace', 'charge, topological', 'current, conservation law', 'operator, vertex', 'operator, algebra', 'operator product expansion', 'invariance, Becchi-Rouet-Stora', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407069']
['We consider a class of non-unitary Toda theories based on the Lie superalgebras A^{(1)}(n,n) in two-dimensional Minkowski spacetime, which can be twisted into a topological sector. In particular we study the simplest example with n=1 and real fields, and show how this theory can be treated as an integrable perturbati...
['1996-06-24']
16,815
['eng']
['Avdeev, L V', 'Chizhov, M V']
['A queer reduction of degrees of freedom']
['Particle Physics - Theory']
['field theory, tensor', 'field theory, action', 'invariance, conformal', 'Hamiltonian formalism', 'helicity']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407067', 'http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=.&id=SCAN-9412098']
['The classical dynamics of antisymmetric second-rank tensor matter fields is analyzed. The conformally invariant action for the tensor field leads to a positive-definite hamiltonian on the class of the solutions that are bounded at the time infinity (plane waves). Only the longitudinal waves contribute to the energy a...
['1996-06-24']
16,816
['eng']
['Mkrtchyan, R L']
['Algebra of potentials of the volume-preserving vector fields']
['Particle Physics - Theory']
['symmetry, space-time', 'operator, algebra', 'algebra, commutation relations', 'field theory, vector']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407066']
['The algebra of volume-preserving vector fields is considered. The potentials for that fields are introduced, and induced algebra of potentials is considered. It is shown, that this algebra fails to satisfy the Jacoby identity. Analogy with hamiltonian mechanics is developed, as well as 3-cocycle interpretation of cor...
['1996-06-24']
16,817
['eng']
['Brustein, Ram', 'Faux, M', 'Ovrut, B A']
['The strength of non-perturbative effects in matrix models and string effective lagrangians']
['Particle Physics - Theory', 'General Theoretical Physics']
['talk', 'string model', 'supersymmetry, dynamically broken', 'effective action', 'matrix model', 'nonperturbative', 'partition function', 'effect, instanton', 'talk', 'string model', 'supersymmetry, dynamically broken', 'effective action', 'matrix model', 'nonperturbative', 'partition function', 'effect, instanton']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407063']
['We present a summary of the results of an explicit calculation of the strength of non-perturbative interactions in matrix models and string effective Lagrangians. These interactions are induced by single eigenvalue instantons in the d=1 bosonic matrix model. A well defined approximation scheme is used to obtain induc...
['1994-07-18']
16,818
['eng']
['Cattaneo, A S', 'Cotta-Ramusino, P', 'Martellini, M']
['Three-dimensional BF theories and the Alexander-Conway invariant of knots']
['Particle Physics - Theory']
['gauge field theory, SU(N)', 'gauge field theory, tensor', 'dimension, 3', 'correlation function', 'partition function', 'Wilson loop', 'knot theory', 'perturbation theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407070']
['We study 3-dimensional BF theories and define observables related to knots and links. The quantum expectation values of these observables give the coefficients of the Alexander-Conway polynomial.']
['1996-06-24']
16,819
['eng']
['Jorjadze, G P', "O'Raifeartaigh, Lochlainn", 'Tsutsui, I']
['Quantization of a relativistic particle on the SL(2,R) manifold based on Hamiltonian reduction']
['General Theoretical Physics']
['particle, relativistic', 'quantization', 'Hamiltonian formalism', 'group theory, SL(2,R)', 'group theory, geometrical', 'constraint', 'phase space']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407059']
['A quantum theory is constructed for the system of a relativistic particle with mass m moving freely on the SL(2,R) group manifold. Applied to the cotangent bundle of SL(2,R), the method of Hamiltonian reduction allows us to split the reduced system into two coadjoint orbits of the group. We find that the Hilbert spac...
['1994-07-13']
16,820
['eng']
['Brandt, F T', 'Frenkel, J']
['Non-linear electromagnetic interactions in thermal QED']
['Particle Physics - Theory']
['quantum electrodynamics', 'finite temperature', 'electromagnetic interaction, nonlinear', 'nonlinear, electromagnetic interaction', 'propagator', 'temperature, dependence', 'renormalization', 'effective action']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407051']
['We examine the behavior of the non-linear interactions between electromagnetic fields at high temperature. It is shown that, in general, the log(T) dependence on the temperature of the Green functions is simply related to their UV behavior at zero-temperature. We argue that the effective action describing the nonline...
['1996-06-24']
16,821
['eng']
['Hou, B Y', 'Hou, B Y', 'Ma, Z Q', 'Math, J']
['Q-deformed Chern characters for quantum groups SU$_{q}$(N)']
['Particle Physics - Theory']
['quantum group, SU(N)', 'quantum group, representation', 'R-matrix', 'Yang-Baxter equation, solution', 'charge, Becchi-Rouet-Stora', 'charge, topological', 'Chern-Simons term']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407053']
['In this paper, we introduce an N\\times N matrix \\epsilon^{a\\bar{b}} in the quantum groups SU_{q}(N) to transform the conjugate representation into the standard form so that we are able to compute the explicit forms of the important quantities in the bicovariant differential calculus on SU_{q}(N), such as the q-def...
['1996-06-24']
16,822
['eng']
['Perry, R J']
['Hamiltonian light-front field theory and quantum chromodynamics']
['Particle Physics - Theory', 'Particle Physics']
['lectures', 'Schwinger model', 'gauge field theory, Yang-Mills', 'dimension, 2', 'phi**n model, 4', 'quantum electrodynamics', 'dimension, 4', 'quantization, light front', 'Hamiltonian formalism', 'renormalization group', 'correlation function', 'bibliography', 'lectures', 'Schwinger model', 'gauge field theory, Yang-...
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407056', 'http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=.&id=SCAN-9409236']
["Light-front coordinates offer a scenario in which a constituent picture of hadron structure can emerge from QCD, after several difficulties are addressed. Field theoretic difficulties force us to introduce cutoffs that violate Lorentz covariance and gauge invariance, and a new renormalization group formalism based on...
['1994-09-21']
16,823
['eng']
['Breckenridge, J C', 'Lavelle, M J', 'Steele, T G']
['The nielsen identities for the two-point functions of qed and QCD']
['Particle Physics - Theory']
['quantum electrodynamics', 'fermion, mass', 'mass, fermion', 'quantum chromodynamics', 'transformation, Becchi-Rouet-Stora', 'two-point function', 'Ward identity', 'perturbation theory, higher-order', 'renormalization']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407028']
['We consider the Nielsen identities for the two-point functions of full QCD and QED in the class of Lorentz gauges. For pedagogical reasons the identities are first derived in QED to demonstrate the gauge independence of the photon self-energy, and of the electron mass shell. In QCD we derive the general identity and ...
['1994-07-06']
16,824
['eng']
['Chang, Z']
['Quantum group and quantum symmetry']
['Particle Physics - Theory']
['review', 'field theory, conformal', 'statistical mechanics', 'integrability', 'Yang-Baxter equation, R-matrix', 'quantum group, representation', 'algebra, Hopf', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9508170']
['This is a self-contained review on the theory of quantum group and its applications to modern physics. A brief introduction is given to the Yang-Baxter equation in integrable quantum field theory and lattice statistical physics. The quantum group is primarily introduced as a systematic method for solving the Yang-Bax...
['1995-08-31']
16,825
['eng']
['Polchinski, Joseph']
['Combinatorics of boundaries in string theory']
['Particle Physics - Theory']
['string model', 'nonperturbative', 'boundary condition', 'membrane model, p-brane', 'field theory, instanton', 'anomaly', 'operator, vertex']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407031']
['We investigate the possibility that stringy nonperturbative effects appear as holes in the world-sheet. We focus on the case of Dirichlet string theory, which we argue should be formulated differently than in previous work, and we find that the effects of boundaries are naturally weighted by e^{-O(1/g_{\\rm st})}.']
['1994-07-06']
16,826
['eng']
['Zachos, C K', 'Curtright, T L']
['The paradigm of pseudodual chiral models']
['General Theoretical Physics']
['talk', 'dimension, 2', 'model, chiral', 'duality, transformation', 'Hamiltonian formalism', 'current, nonlocal', 'charge, topological']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407044']
['This is a synopsis and extension of Phys.~Rev.~{\\em D49} 5408 (1994). The Pseudodual Chiral Model illustrates 2-dimensional field theories which possess an infinite number of conservation laws but also allow particle production, at variance with naive expectations---a folk theorem of integrable models. We monitor th...
['1994-07-08']
16,827
['eng']
['Blau, Matthias', 'Thompson, G']
['Equivariant Kähler geometry and localization in the G/G model']
['General Theoretical Physics']
['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory', 'supersymmetry', 'cohomology', 'differential geometry, symplectic', 'field theory, deformation', 'path integral']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407042']
['We analyze in detail the equivariant supersymmetry of the G/G model. In spite of the fact that this supersymmetry does not model the infinitesimal action of the group of gauge transformations, localization can be established by standard arguments. The theory localizes onto reducible connections and a careful evaluati...
['1994-07-08']
16,828
['eng']
['Behrndt, K', 'Burwick, T T']
['Towards quantum cosmology without singularities']
['Particle Physics - Theory']
['astrophysics, model', 'space-time, singularity', 'quantum cosmology', 'Kaluza-Klein model', 'dimension, 5', 'quantization', 'potential, dilaton', 'partial wave', 'wormhole']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407039']
['In this paper we investigate the vanishing of cosmological singularities by quantization. Starting from a 5d Kaluza--Klein approach we quantize, as a first step, the non--spherical metric part and the dilaton field. These fields which are classically singular become smooth after quantization. In addition, we argue th...
['1994-07-07']
16,829
['eng']
['Brandt, F T', 'Frenkel, J', 'Taylor, J C']
['Nonlinear interaction between electromagnetic fields at high temperature']
['Particle Physics - Theory']
['quantum electrodynamics', 'finite temperature, high', 'n-point function, 4', 'perturbation theory, higher-order', 'effective action, nonlinear']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407036']
["The electron-positron `box' diagram produces an effective action which is fourth order in the electromagnetic field. We examine the behaviour of this effective action at high-temperature (in analytically continued imaginary-time thermal perturbation theory). We argue that there is a finite, nonzero limit as T\\righta...
['1994-07-07']
16,830
['eng']
['Bengtsson, I', 'Hallin, J']
['SL(2,R) Yang-Mills theory on a circle']
['Particle Physics - Theory']
['gauge field theory, SL(2,R)', 'space-time, sphere', 'dimension, 1', 'dimension, 2', 'transformation, gauge', 'topology', 'quantization, Hamiltonian formalism']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407035']
['The kinematics of SL(2,R) Yang-Mills theory on a circle is considered, for reasons that are spelled out. The gauge transformations exhibit hyperbolic fixed points, and this results in a physical configuration space with a non-Hausdorff "network" topology. The ambiguity encountered in canonical quantization is then mu...
['1994-07-07']
16,831
['eng']
['Wetterich, C']
['The cosmon model for an asymptotically vanishing time-dependent cosmological "constant"']
['Particle Physics - Theory']
['inflationary universe', 'field theory, scalar', 'gravitation', 'potential', 'tensor, energy-momentum', 'astrophysics, fundamental constant', 'time dependence', 'model, cosmon']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9408025', 'http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=scan&id=P00023716']
["We investigate the coupled system of gravity and a scalar with exponential potential. The energy momentum tensor of the scalar field induces a time-dependent cosmological ``constant''. This adjusts itself dynamically to become in the ``late'' universe (including today) proportional to the energy density of matter and...
['1994-08-05']
16,832
['eng']
['Colatto, L P', 'Matheus-Valle, J L']
['On q-deformed supersymmetric classical mechanical models']
['Particle Physics - Theory']
['mechanics, classical', 'supersymmetry, superfield', 'supersymmetry, superspace', 'algebra, Grassmann', 'algebra, deformation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504101']
['Based on the idea of quantum groups and paragrassmann variables, we present a generalization of supersymmetric classical mechanics with a deformation parameter q= \\exp{\\frac{2 \\pi i}{k}} and we work with the k =3 case. The coordinates of the q-superspace are a commuting parameter t and a paragrassmann variable \\t...
['1995-04-21']
16,833
['eng']
['Srivastava, P P']
['Light-front quantized scalar field theory and phase transition']
['Particle Physics - Theory']
['field theory, scalar', 'quantization, light front', 'Hamiltonian formalism', 'phi**n model, 4', 'dimension, 2', 'renormalization', 'critical phenomena', 'vacuum state, stability', 'energy, density']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9412240']
['The light-front Hamiltonian formulation for the scalar field theory contains a new ingredient in the form of a constraint equation. Renormalization of the two dimensional \\phi^{4} theory, described in the continuum, is discussed. The mass renormalization condition and the renormalized constraint equation contain all...
['1995-01-04']
16,834
['eng']
['Percacci, R', 'Sezgin, E']
['On target-space duality in p-branes']
['Particle Physics - Theory']
['membrane model, p-brane', 'any-dimensional', 'duality, transformation', 'background field', 'group theory, GL(2)']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407021']
['We study the target-space duality transformations in p--branes as transformations which mix the worldvolume field equations with Bianchi identities. We consider an (m+p+1)-dimensional spacetime with p+1 dimensions compactified, and a particular form of the background fields. We find that while a GL(2)=SL(2)\\times R ...
['1994-07-06']
16,835
['eng']
['Feigin, B L', 'Schechtman, V V', 'Varchenko, A N']
['On algebraic equations satisfied by hypergeometric correlators in WZW models, 2']
['Particle Physics - Theory']
['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'correlation function', 'algebra, Lie', 'algebra, representation', 'mathematical methods']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407010']
['We give an explicit description of "bundles of conformal blocks" in Wess-Zumino-Witten models of Conformal field theory and prove that integral representations of Knizhnik-Zamolodchikov equations constructed earlier by the second and third authors are in fact sections of these bundles.']
['1994-07-04']
16,836
['eng']
['Damgaard, P H', 'Sollacher, R']
['Smooth non-abelian bosonization']
['General Theoretical Physics']
['gauge field theory, U(N)', 'fermion', 'path integral', 'symmetry, chiral', 'dimension, 2', 'bosonization, nonabelian', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407022']
["We present an extension of ``smooth bosonization'' to the non-Abelian case. We construct an enlarged theory containing both bosonic and fermionic fields which exhibits a local chiral gauge symmetry. A gauge fixing function depending on one real parameter allows us to interpolate smoothly between a purely fermionic an...
['1994-07-06']
16,837
['eng']
['Anselmi, D']
['More on the subtraction algorithm']
['General Theoretical Physics']
['quantization, Batalin-Vilkovisky', 'algebra, gauge', 'fibre bundle', 'differential forms', 'regularization, dependence']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407023']
['We go on in the program of investigating the removal of divergences of a generical quantum gauge field theory, in the context of the Batalin-Vilkovisky formalism. We extend to open gauge-algebrae a recently formulated algorithm, based on redefinitions \\delta\\lambda of the parameters \\lambda of the classical Lagran...
['1994-07-06']
16,838
['eng']
['Caenepeel, D', 'Leblanc, M']
['Radiative corrections in nonrelativistic chern-Simons theory']
['Particle Physics - Theory']
['talk', 'gauge field theory, U(1)', 'Chern-Simons term', 'field theory, scalar', 'fermion', 'nonrelativistic', 'supersymmetry', 'effective potential', 'perturbation theory, higher-order']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407030']
["We present the one-loop scalar field effective potential for the N=2 supersymmetric nonrelativistic self-interacting matter fields coupled to an Abelian Chern-Simons gauge field and for its generalization when bosonic matter fields are coupled to non-Abelian Chern-Simons field. In both models, Gauss's law linearly re...
['1994-07-06']
16,839
['eng']
['Polchinski, Joseph', 'Strominger, A']
['A possible resolution of the black hole information puzzle']
['Particle Physics - Theory']
['gravitation', 'quantization, 3', 'black hole', 'radiation, Hawking', 'entropy', 'Wheeler-DeWitt equation', 'path integral', 'information theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407008']
['The problem of information loss is considered under the assumption that the process of black hole evaporation terminates in the decay of the black hole interior into a baby universe. We show that such theories can be decomposed into superselection sectors labeled by eigenvalues of the third-quantized baby universe fi...
['1994-07-04']
16,840
['eng']
['Kiritsis, Elias B', 'Kounnas, Costas']
['Dynamical topology change, compactification and waves in a stringy early universe']
['Particle Physics - Theory']
['talk', 'astrophysics, string', 'Kaluza-Klein model', 'sigma model, nonlinear', 'moduli space', 'partition function', 'field equations, solution', 'topology, effect', 'gravitational radiation', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407005']
["Exact string solutions are presented, where moduli fields are varying with time. They provide examples where a dynamical change of the topology of space is occuring. Some other solutions give cosmological examples where some dimensions are compactified dynamically or simulate pre-big bag type scenarios. Some lessons ...
['1994-07-04']
16,841
['eng']
['Kiritsis, Elias B', 'Kounnas, Costas']
['Gravitational phenomena from superstrings in curved spacetime']
['Particle Physics - Theory']
['talk', 'string model', 'supersymmetry', 'field equations, solution', 'effective action', 'supergravity', 'space-time']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407004']
['observable states are drastically different. The four-dimensional superstring solutions define at low energy effective supergravity theories. A class of them extends successfully the validity of the standard model up to the string scale ({\\cal O}(10^{17})~TeV). We stress the importance of string corrections which ar...
['1994-07-04']
16,842
['eng']
['Solodukhin, S N']
['The conical singularity and quantum corrections to entropy of black hole']
['General Relativity and Cosmology']
['relativity theory, general', 'field theory, scalar', 'finite temperature', 'field theory, Euclidean', 'field equations, solution', 'effective action', 'black hole', 'radiation, Hawking', 'entropy']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407001']
['For general finite temperature different from the Hawking one there appears a well known conical singularity in the Euclidean classical solution of gravitational equations. The method of regularizing the cone by regular surface is used to determine the curvature tensors for such a metrics. This allows one to calculat...
['1994-07-04']
16,843
['eng']
['Bergeron, M', 'Semenoff, Gordon W', 'Szabo, R J']
['Canonical BF-type topological field theory and fractional statistics of strings']
['General Theoretical Physics']
['field theory, topological', 'field theory, vector', 'field theory, tensor', 'dimension, 3', 'space-time', 'cohomology', 'quantization', 'Hamiltonian formalism', 'phase space, Hilbert space', 'duality', 'spin, statistics', 'statistics, spin', 'fractional', 'duality', 'string model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407020']
['We consider BF-type topological field theory coupled to non-dynamical particle and string sources on spacetime manifolds of the form \\IR^1\\times\\MT, where \\MT is a 3-manifold without boundary. Canonical quantization of the theory is carried out in the Hamiltonian formalism and explicit solutions of the Schr\\"odi...
['1994-07-05']
16,844
['eng']
['Endo, R']
['Heat kernel for Spin-3/2 rarita-schwinger field in general covariant gauge']
['Particle Physics - Theory']
['Rarita-Schwinger equation', 'gauge field theory', 'space-time', 'anomaly, axial', 'perturbation theory, higher-order', 'regularization, heat kernel', 'dependence, gauge', 'spin, 3/2', '3/2, spin']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407019']
['The heat kernel for the spin-3/2 Rarita-Schwinger gauge field on an arbitrary Ricci flat space-time (d>2) is investigated in a family of covariant gauges with one gauge parameter \\alpha. The \\alpha-dependent term of the kernel is expressed by the spin-1/2 heat kernel. It is shown that the axial anomaly and the one-...
['1994-07-05']
16,845
['eng']
['Aratyn, H', 'Nissimov, Emil R', 'Pacheva, S', 'Zimerman, A H']
['Two-matrix string model as constrained (2+1)-Dimensional integrable system']
['Particle Physics - Theory']
['string model', 'matrix model', 'Kadomtsev-Petviashvili equation', 'dimension, 3', 'differential equations, hierarchy', 'constraint', 'Hamiltonian formalism', 'integrability', 'algebra, SL(3,1)', 'algebra, W(2,1)']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407017']
['We show that the 2-matrix string model corresponds to a coupled system of 2+1-dimensional KP and modified KP (\\KPm) integrable equations subject to a specific ``symmetry\'\' constraint. The latter together with the Miura-Konopelchenko map for \\KPm are the continuum incarnation of the matrix string equation. The \\K...
['1994-07-05']
16,846
['eng']
['Das, S R', 'Mukherji, S']
['Boundary dynamics in dilaton gravity']
['Particle Physics - Theory']
['gravitation', 'field theory, dilaton', 'dimension, 2', 'coupling, matter', 'matter, coupling', 'field theory, scalar', 'invariance, reparametrization', 'anomaly, conformal', 'energy, density', 'boundary condition', 'field equations, solution', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9407015']
['We study the dynamics of the boundary dilaton gravity coupled to N massles scalars. We rederive the boundary conditions of [1] and [3] in a way which makes the requirement of reparametrization invariance and role of conformal anomaly explicit. We then study the semiclassical behaviour of the boundary in the N = 24 th...
['1994-07-05']
16,847
['eng']
['Alvarez, Enrique', 'Alvarez-Gaumé, Luís', 'Lozano, Y']
['A canonical approach to duality transformations']
['General Theoretical Physics']
['sigma model, nonlinear', 'dimension, 2', 'duality, transformation', 'abelian', 'nonabelian', 'Hamiltonian formalism']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406206']
["We show that Buscher's abelian duality transformation rules can be recovered in a very simple way by performing a canonical transformation first suggested by Giveon, Rabinovici and Veneziano. We explore the properties of this transformation, and also discuss some aspects of non-abelian duality."]
['1994-07-01']
16,848
['eng']
['Amelino-Camelia, G', 'Bak, D']
['Schrödinger self-adjoint extension and quantum field theory']
['General Theoretical Physics']
['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'nonrelativistic', 'Schroedinger equation', 'Feynman graph, higher-order', 'scattering amplitude, anyon', 'anyon, scattering amplitude', 'partial wave analysis']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406213']
['ABSTRACT: We argue that the results obtained using the quantum mechanical method of self-adjoint extension of the Schr\\"odinger Hamiltonian can also be derived using Feynman perturbation theory in the investigation of the corresponding non-relativistic field theories. We show that this is indeed what happens in the ...
['1994-07-01']
16,849
['eng']
['Amelino-Camelia, G']
['Perturbative renormalizations of anyon quantum mechanics']
['General Theoretical Physics']
['quantum mechanics', 'postulated particle, anyon', 'perturbation theory, higher-order', 'regularization, dependence', 'renormalization', 'wave function']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406212']
['ABSTRACT: In bosonic end perturbative calculations for quantum mechanical anyon systems a regularization and renormalization procedure, analogous to those used in field theory, is necessary. I examine the reliability and the physical interpretation of the most commonly used bosonic end regularization procedures. I th...
['1994-07-01']
16,850
['eng']
['Müller-Hoissen, F']
['Physical aspects of differential calculi on commutative algebras']
['Particle Physics - Theory']
['lectures, Karpacz 1994/02/14', 'differential geometry, noncommutative', 'differential forms', 'lattice field theory', 'gauge field theory', 'gravitation', 'mathematical methods']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406200']
['The central structure in various versions of noncommutative geometry is a differential calculus on an associative algebra. This is an analogue of the calculus of differential forms on a manifold. In this short review we collect examples of differential calculi on commutative algebras (which can be regarded as algebra...
['1994-06-30']
16,851
['eng']
['Ikehara, M', 'Ishibashi, N', 'Kawai, H', 'Mogami, T', 'Nakayama, R', 'Sasakura, N']
['String field theory in the temporal gauge']
['Particle Physics - Theory']
['field theory, string', 'temporal gauge', 'central charge', 'matrix model', 'lattice field theory, continuum limit', 'Dyson-Schwinger equation', 'field theory, conformal', 'Hamiltonian formalism']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406207']
["We construct the string field Hamiltonian for c=1-\\frac{6}{m(m+1)} string theory in the temporal gauge. In order to do so, we first examine the Schwinger-Dyson equations of the matrix chain models and propose the continuum version of them. Results of boundary conformal field theory are useful in making a connection ...
['1994-07-01']
16,852
['eng']
['Duff, Michael J', 'Minasian, R']
['Putting STRING/STRING duality to the test']
['Particle Physics - Theory']
['membrane model, p-brane', 'p-brane, 5', 'supersymmetry', 'dimension, 10', 'string model, heterotic', 'dimension, 6', 'anomaly', 'duality, transformation', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406198']
['After simultaneous compactification of spacetime and worldvolume on K3, the D=10 heterotic fivebrane with gauge group SO(32) behaves like a D=6 heterotic string with gauge group SO(28) \\times SU(2), but with Kac--Moody levels different from those of the fundamental string. Thus the string/fivebrane duality conjectur...
['1994-06-30']
16,853
['eng']
['Li, H']
['Representation theory and tensor product theory for vertex operator algebras']
['Particle Physics - Theory']
['thesis', 'operator, vertex', 'algebra, representation', 'algebra, Lie', 'algebra, fusion', 'algebra, Verma module']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406211']
["We first formulate a definition of tensor product for two modules for a vertex operator algebra in terms of a certain universal property and then we give a construction of tensor products. We prove the unital property of the adjoint module and the commutativity of tensor products, up to module isomorphism. We relate ...
['1994-07-01']
16,854
['eng']
['Van Eijck, M A', "O'Connor, D", 'Stephens, C R']
['Environmentally friendly renormalization in finite-temperature field theory']
['Particle Physics - Theory']
['talk', 'phi**n model, 4', 'finite temperature', 'renormalization group, beta function', 'perturbation theory, higher-order', 'gauge field theory, Yang-Mills', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406218']
[]
['2003-09-27']
16,855
['eng']
['Bagger, Jonathan A', 'Galperin, A']
['Matter couplings in partially broken extended supersymmetry']
['Particle Physics - Theory']
['supersymmetry, superfield', 'supersymmetry, representation', 'nonlinear', 'coset space', 'supersymmetry, spontaneously broken', 'Goldstone particle, multiplet', 'multiplet, Goldstone particle', 'field theory, action']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406217']
['We use nonlinear realizations to describe the spontaneous breaking of N=2 supersymmetry to N=1 in four dimensions. We identify the Goldstone multiplet with an N=1 chiral superfield, and show that chiral N=1 matter is consistent with the partially broken N=2 supersymmetry. We find that the chiral matter can be in any ...
['1994-07-01']
16,856
['eng']
['Copeland, E J', 'Lahiri, A', 'Wands, D']
['Low energy effective string cosmology']
['Particle Physics - Theory']
['Friedman model', 'effective action', 'string model', 'field theory, dilaton', 'field theory, tensor', 'space-time, Bianchi', 'space-time, Robertson-Walker', 'field equations, solution', 'dimension, >=4']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406216']
['We give the general analytic solutions derived from the low energy string effective action for four dimensional Friedmann-Robertson-Walker models with dilaton and antisymmetric tensor field, considering both long and short wavelength modes of the H-field. The presence of a homogeneous H-field significantly modifies t...
['1994-07-01']
16,857
['eng']
['Brunelli, J C', 'Das, A']
['The supersymmetric two boson hierarchies']
['General Theoretical Physics']
['differential equations, nonlinear', 'dimension, 2', 'supersymmetry, superspace', 'operator, Lax', 'integrability', 'Korteweg-de Vries equation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406214']
['Abstract - We construct the most general supersymmetric two boson system that is integrable. We obtain the Lax operator and the nonstandard Lax representation for this system. We show that, under appropriate redefinition of variables, this reduces to the supersymmetric nonlinear Schr\\"odinger equation without any ar...
['1994-07-01']
16,858
['eng']
['Gracey, J A']
['The $\\beta$-function of the chiral Gross Neveu model at O(1/N$^{2}$)']
['General Theoretical Physics']
['Gross-Neveu model', 'dimension, 2', 'renormalization group, beta function', 'critical phenomena', 'propagator', 'Dyson-Schwinger equation', 'perturbation theory, higher-order', 'expansion 1/N']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406162']
['We compute the O(1/N^2) correction to the critical exponent 2\\lambda = - \\beta^\\prime(g_c) for the chiral Gross Neveu model in arbitrary dimensions by substituting the corrections to the asymptotic scaling forms of the propagators into the Schwinger Dyson equations and solving the resulting consistency equations.'...
['1994-06-27']
16,859
['eng']
['Itakura, K', 'Ohta, K']
['Quantum hamiltonian reduction of the schwinger model']
['Particle Physics - Theory']
['Schwinger model', 'Hamiltonian formalism', 'phase space', 'operator, composite', 'regularization']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406195']
['We reexamine a unitary-transformation method of extracting a physical Hamiltonian from a gauge field theory after quantizing all degrees of freedom including redundant variables. We show that this {\\it quantum Hamiltonian reduction} method suffers from crucial modifications arising from regularization of composite o...
['1994-06-30']
16,860
['eng']
['Elizalde, E', 'Odintsov, S D']
['A theory for the conformal factor in quantum R^2 gravity']
['Particle Physics - Theory']
['quantum gravity, action', 'effective potential', 'renormalization group', 'anomaly, conformal', 'phi**n model, 4']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406193']
['A new theory for the conformal factor in R^2-gravity is developed. The infrared phase of this theory, which follows from the one-loop renormalization group equations for the whole quantum R^2-gravity theory is described. The one-loop effective potential for the conformal factor is found explicitly and a mechanism for...
['1994-06-30']
16,861
['eng']
['Iso, S', 'Rey, S J']
['Collective field theory of the fractional quantum Hall edge state and the Calogero-Sutherland model']
['General Theoretical Physics']
['Hall effect, fractional', 'field theory, collective', 'field theory, conformal', 'model, hydrodynamical', 'liquid, chiral', 'Calogero-Sutherland model', 'model, droplet', 'fermion, correlation function']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406192']
['\\noindent Using hydrodynamic collective field theory approach we show that one-particle density matrix of the \\nu=1/m fractional quantum Hall edge state interpolates between chiral Luttinger liquid behavior \\langle \\psi^{\\dagger}(r) \\psi(0) \\rangle \\sim r^{-m} and Calogero-Sutherland model behavior \\langle \...
['1994-06-30']
16,862
['eng']
['Piette, B M A G', 'Schroers, B J', 'Zakrzewski, W J']
['Multisolitons in a two-dimensional Skyrme model']
['General Theoretical Physics']
['Skyrme model', 'dimension, 2', 'field equations, soliton', 'soliton, topological', 'energy, soliton', 'energy, density', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406160']
["The Skyrme model can be generalised to a situation where static fields are maps from one Riemannian manifold to another. Here we study a Skyrme model where physical space is two-dimensional euclidean space and the target space is the two-sphere with its standard metric. The model has topological soliton solutions whi...
['1994-06-24']
16,863
['eng']
['Hikami, S']
['Renormalized expansion for matrix models']
['Particle Physics - Theory']
['quantum gravity', 'dimension, 2', 'matrix model', 'renormalization group, beta function', 'perturbation theory, higher-order', 'critical phenomena', 'Ising model', 'random surface', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406153', 'http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=cond-mat&id=9406091']
['Matrix models of 2d quantum gravity coupled to matter field are investigated by the renormalized perturbational method, in which the matrix model Hamiltonian is represented by the equivalent vector model. By the saddle point method, the renormalization group beta-function is obtained in the successive approximation.'...
['1994-06-24']
16,864
['eng']
['Zanelli, J']
['Quantization of the gravitational constant in odd-dimensional gravity']
['Particle Physics - Theory']
['gravitation, action', 'gravitation, fundamental constant', 'quantization', 'any-dimensional']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406202']
['It is pointed out that the action recently proposed by Ba\\~nados et al. for gravitation in odd dimensions higher (and lower) than four, provides a natural quantization for the gravitational constant. These theories possess no dimensionful parameters and hence they may be power counting renormalizable.']
['1994-06-30']
16,865
['eng']
['McGuigan, M']
['Finite black hole entropy and string theory']
['Particle Physics - Theory']
['astrophysics, string', 'space-time', 'acceleration', 'field theory, scalar', 'effect, Casimir', 'black hole', 'entropy']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406201']
["An accelerating observer sees a thermal bath of radiation at the Hawking temperature which is proportional to the acceleration. Also, in string theory there is a Hagedorn temperature beyond which one cannot go without an infinite amount of energy. Several authors have shown that in the context of Hawking radiation a ...
['1994-06-30']
16,866
['eng']
['Chang, L N', 'Soo, C P']
['The standard model with gravity couplings']
['Particle Physics - Theory']
['gravitation', 'coupling, matter', 'matter, coupling', 'electroweak interaction', 'quark, multiplet', 'multiplet, quark', 'lepton, multiplet', 'multiplet, lepton', 'anomaly', 'violation, CPT', 'symmetry, discrete', 'fermion, left-handed']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406188']
['ABSTRACT-The Standard Model with Gravity Couplings-Lay Nam Chang(Virginia Tech) & Chopin Soo(Penn State)--- It has been shown by Ashtekar, and many others after him, that classical gravity in four dimensions can be described equally well by (anti)self-dual variables instead of the conventional variables. In this pape...
['1994-06-29']
16,867
['eng']
['Jüttner, G', 'Karowski, M']
['Completeness of "good" Bethe ansatz solutions of a quantum group invariant Heisenberg model']
['General Theoretical Physics']
['model, spin', 'spin, model', 'model, Heisenberg', 'quantum group, SL(2)', 'Bethe ansatz', 'Hamiltonian formalism', 'phase space', 'energy levels', 'numerical calculations']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406183']
['The sl_q(2)-quantum group invariant spin 1/2 XXZ-Heisenberg model with open boundary conditions is investigated by means of the Bethe ansatz. As is well known, quantum groups for q equal to a root of unity possess a finite number of ``good\'\' representations with non-zero q-dimension and ``bad\'\' ones with vanishin...
['1994-06-29']
16,868
['eng']
['Brustein, Ram']
['Cosmology and models of supersymmetry breaking in string theory']
['General Theoretical Physics']
['talk', 'string model', 'supersymmetry, symmetry breaking', 'moduli space', 'field theory, dilaton', 'astrophysics, model', 'Friedman model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406181']
['Supersymmetry breaking in string theory is expected to occur when moduli fields acquire non-trivial expectation values. In the early universe these fields start out displaced from their final destinations. I present some recent ideas about the cosmological evolution of the dilaton modulus field on the way to its vacu...
['1994-06-29']
16,869
['eng']
['De Vega, H J']
['The field theory limit of integrable lattice models']
['Particle Physics - Theory']
['lattice field theory', 'Yang-Baxter equation', 'integrability', 'light cone gauge', 'model, vertex', 'transfer matrix', 'Bethe ansatz', 'S-matrix']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406135']
['The light-cone approach is reviewed. This method allows to find the underlying quantum field theory for any integrable lattice model in its gapless regime. The relativistic spectrum and S-matrix follows straightforwardly in this way through the Bethe Ansatz. We show here how to derive the infinite number of local com...
['1994-06-22']
16,870
['eng']
['Papadopoulos, G J']
['Global aspects of symmetries in sigma models with torsion']
['General Theoretical Physics']
['talk', 'sigma model, nonlinear', 'torsion', 'dimension, 2', 'topology', 'anomaly', 'field equations, symmetry']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406176']
['It is shown that non-trivial topological sectors can prevent the quantum mechanical implementation of the symmetries of the classical field equations of sigma models with torsion. The associated anomaly is computed, and it is shown that it depends on the homotopy class of the topological sector of the theory and the ...
['1994-06-28']
16,871
['eng']
['Brustein, Ram', 'Faux, M', 'Ovrut, B A']
['Instanton effects in matrix models and string effective lagrangians']
['General Theoretical Physics']
['string model', 'effective action', 'matrix model', 'field theory, collective', 'effect, instanton', 'partition function', 'operator, determinant']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406179']
['We perform an explicit calculation of the lowest order effects of single eigenvalue instantons on the continuous sector of the collective field theory derived from a d=1 bosonic matrix model. These effects consist of certain induced operators whose exact form we exhibit.']
['1994-06-28']
16,872
['eng']
['Giveon, Amit', 'Rocek, Martin']
['Introduction to duality']
['Particle Physics - Theory']
['duality, transformation', 'transformation, harmonic', 'differential geometry', 'algebra, Lie', 'sigma model, nonlinear', 'path integral', 'correlation function']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406178']
["We describe the duality between different geometries which arises by considering the classical and quantum harmonic map problem. To appear in ``Essays on Mirror Manifolds II''."]
['1994-06-28']
16,873
['eng']
['Birmingham, Daniel', 'Rakowski, M']
['Discrete quantum field theories and the intersection form']
['Particle Physics - Theory']
['gauge field theory, Z(N)', 'lattice field theory', 'space-time, simplex', 'partition function', 'field theory, topological']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406173']
['It is shown that the standard mod-p valued intersection form can be used to define Boltzmann weights of subdivision invariant lattice models with gauge group Z_{p}. In particular, we discuss a four dimensional model which is based upon the assignment of field variables to the 2-simplices of the simplicial complex. Th...
['1994-06-28']
16,874
['eng']
['Fröhlich, J', 'Götschmann, R', 'Marchetti, P A']
['Bosonization of fermi systems in arbitrary dimension in terms of gauge forms']
['Particle Physics - Theory']
['fermion, field theory', 'bosonization', 'gauge field theory', 'differential forms', 'current, correlation function', 'partition function', 'fermion, gas', 'Hall effect', 'symmetry, spontaneously broken', 'perturbation theory']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406154']
["We present a general method to bosonize systems of Fermions with infinitely many degrees of freedom, in particular systems of non-relativistic electrons at positive density, by expressing the quantized conserved electric charge- and current density in terms of a bosonic antisymmetric tensorfield of a rank d--1, where...
['1994-06-24']
16,875
['eng']
['Sorokin, D P']
['Geometry of fermionic constraints in superstring theories']
['Particle Physics - Theory']
['talk', 'particle, relativistic', 'string model', 'supersymmetry, superfield', 'twistor', 'constraint']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406164']
['Abstract. Considered are superparticle and superstring models invariant under supersymmetry in a target superspace and local extended worldsheet supersymmetry the latter replacing the fermionic \\kappa--symmetry of the conventional Green--Schwarz formulations. (Talk given at the Conference on Geometry of Constrained ...
['1994-06-27']
16,876
['eng']
['Hamber, H W', 'Williams, R M']
['Newtonian potential in quantum Regge gravity']
['General Theoretical Physics']
['quantum gravity, Regge', 'quantum gravity, simplex', 'lattice field theory', 'Wilson loop', 'correlation function', 'correlation, length', 'potential', 'perturbation theory', 'scaling', 'mean field approximation', 'numerical calculations, Monte Carlo', 'bibliography']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406163']
['ABSTRACT: We show how the Newtonian potential between two heavy masses can be computed in simplicial quantum gravity. On the lattice we compute correlations between Wilson lines associated with the heavy particles and which are closed by the lattice periodicity. We check that the continuum analog of this quantity rep...
['1994-06-27']
16,877
['eng']
['Johansen, A']
['Realization of W_{1+\\infty} and virasoro algebras in supersymmetric theories on four manifolds']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry', 'coupling, matter', 'matter, coupling', 'field theory, Kaehler', 'algebra, Virasoro', 'algebra, W(infinity)', 'algebra, representation', 'cohomology, Becchi-Rouet-Stora']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406156']
['We demonstrate that a supersymmetric theory twisted on a K\\"ahler four manifold M=\\Sigma_1 \\times \\Sigma_2 , where \\Sigma_{1,2} are 2D Riemann surfaces, possesses a "left-moving" conformal stress tensor on \\Sigma_1 (\\Sigma_2) in the BRST cohomology. The central charge of the Virasoro algebra has a purely geome...
['1994-06-24']
16,878
['eng']
['Kholodnyi, V A']
['On transformations preserving the basis conditions of a spin structure group in four-dimensional super string theory in free fermionic formulation']
['Particle Physics - Theory']
['string model', 'supersymmetry', 'space-time', 'spinor', 'group theory, transformation', 'group theory, finite', 'group theory, abelian', 'group theory, representation', 'mathematical methods']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406159']
["Let \\Xi stand for a finite abelian spin structure group of four-dimensional superstring theory in free fermionic formulation whose elements are 64-dimensional vectors (spin structure vectors) with rational entries belonging to \\rbrack -1,\\, 1\\rbrack and the group operation is the mod\\, \\, 2 entry by entry summa...
['1994-06-24']
16,879
['eng']
['Hojman, S A']
['Non-lagrangian construction of hamiltonian structures']
['Particle Physics - Theory']
['differential equations', 'Hamiltonian formalism', 'potential', 'Korteweg-de Vries equation', 'Schroedinger equation, nonlinear']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406158']
['A method to construct Hamiltonian theories for systems of both ordinary and partial differential equations is presented. The knowledge of a Lagrangian is not at all necessary to achieve the result. The only ingredients required for the construction are one solution of the symmetry (perturbation) equation and one cons...
['1994-06-24']
16,880
['eng']
['Cleaver, G B']
['The dimension of decompactified spacetime from string theory']
['Particle Physics - Theory']
['talk', 'string model', 'space-time', 'astrophysics, model', 'dimension, dependence', 'random walk', 'numerical calculations, Monte Carlo']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406102']
['The implications of string theory for understanding the dimension of decompactified spacetime are discussed. Results from a computer model designed to simulate expansion of the early universe during the string dominated phase are presented. This model focuses on the effects of string winding modes on inflation and is...
['1994-06-16']
16,881
['eng']
['Dmitrasinovic, V', 'Shepard, J R', 'McNeil, J A']
['Goldstone theorem in the gaussian functional approximation to the scalar \\phi^{4} theory']
['Particle Physics - Theory']
['phi**n model, 4', 'symmetry, O(2)', 'ground state, wave function', 'Goldstone theorem', 'Dyson-Schwinger equation']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406151']
['We verify the Goldstone theorem in the Gaussian functional approximation to the \\phi^{4} theory with internal O(2) symmetry. We do so by reformulating the Gaussian approximation in terms of Schwinger-Dyson equations from which an explicit demonstration of the Goldstone theorem follows directly.']
['1994-06-23']
16,882
['eng']
['Scott, A C', 'Eilbeck, J C', 'Gilhj, H']
['Quantum lattice solitons']
['Particle Physics - Theory']
['field equations, soliton', 'lattice field theory', 'Schroedinger equation, nonlinear', 'model, polaron', 'quantum mechanics, energy eigenstate', 'binding energy', 'mass spectrum', 'velocity']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406147']
['The number state method is used to study soliton bands for three anharmonic quantum lattices: i) The discrete nonlinear Schr\\"{o}dinger equation, ii) The Ablowitz-Ladik system, and iii) A fermionic polaron model. Each of these systems is assumed to have f-fold translational symmetry in one spatial dimension, where f...
['1994-06-23']
16,883
['eng']
['Kraus, E']
['Asymptotic normalization properties and mass independent renormalization group functions']
['Particle Physics - Theory']
['renormalization group', 'phi**n model, 4', 'field theory, massive', 'massive, field theory', 'propagator', 'asymptotic behavior', 'perturbation theory, higher-order', 'mass, effect', 'effect, mass']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406134', 'http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=scan&id=P00024027']
['Mass independent renormalization group functions in massive theories are related to normalization properties of the Green functions in the asymptotic region, where mass effects are neglected. In this special form the renormalization group invariance is restricted to the asymptotic region and consequently mass effects...
['1994-06-22']
16,884
['eng']
['Efthimiou, C J']
['Form factors of 2-D integrable models using radial quantization']
['Particle Physics - Experimental Results']
['talk', 'dimension, 2', 'S-matrix, factorization', 'integrability', 'quantization', 'form factor', 'operator, vertex', 'phase space, Fock space', 'sine-Gordon model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406141']
['We review some ideas from a recent construction which introduced the notion of vertex operators and form factors as vacuum expectation values of related vertex operators in the space of fields. The vertex operators are constructed explicitly in radial quantization. These ideas are explained at the free-fermion point ...
['1994-06-22']
16,885
['eng']
['Hajac, P M']
['Strong connections and U$_{q(2}$) Yang-Mills theory on quantum principal bundles']
['Particle Physics - Theory']
['quantum space', 'differential geometry, noncommutative', 'fibre bundle', 'gauge field theory, Yang-Mills', 'fibre bundle', 'quantum group, U(2)', 'differential geometry, noncommutative']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406129']
['The main goal of this article is to establish some foundations for the development of gauge theory on quantum principal bundles and to provide a link between the theory thus constructed and Yang--Mills theory on projective modules. The notion of a strong connection is introduced. It is then used to justify the way in...
['1994-06-21']
16,886
['eng']
['Nersessian, A P', 'Ter-Antonian, S V']
['"Charge-dyon" system as the reduced oscillator']
['Particle Physics - Theory']
['quantum mechanics', 'postulated particle, dyon', 'differential forms, symplectic', 'twistor', 'model, oscillator']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406130']
['It is shown, that in the general case the Kustaanheimo-Stiefel transformation (reduction of 4d oscillator on the twistor space by the Hamiltonian action of U(1) with further time-reparametrization) leads to the integrable system, describing the interaction of a spinless electrically charged particle with a dyon .']
['1994-06-21']
16,887
['eng']
['Banks, T', 'Dine, Michael']
['Coping with strongly coupled string theory']
['General Theoretical Physics']
['string model', 'supersymmetry, symmetry breaking', 'ground state', 'particle, spectra', 'spectra, particle', 'approximation, strong coupling', 'strong coupling, approximation', 'symmetry, spontaneously broken']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406132']
['String theory, if it describes nature, is probably strongly coupled. As a result, one might despair of making any statements about the theory. In the framework of a set of clearly spelled out assumptions, we show that this is not necessarily the case. Certain discrete gauge symmetries, combined with supersymmetry, ti...
['1994-06-21']
16,888
['eng']
['Kraus, E', 'Sibold, K']
['Gauge parameter dependence in gauge theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'anomaly', 'Slavnov identity', 'S-matrix', 'two-point function, vector', 'renormalization group, beta function', 'Higgs model', 'symmetry, spontaneously broken']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406115']
['Dependence on the gauge parameters is an important issue in gauge theories: physical quantities have to be independent. Extending BRS transformations by variation of the gauge parameter into a Grassmann variable one can control gauge parameter dependence algebraically. As application we discuss the anomaly coefficien...
['1994-06-24']
16,889
['eng']
['Fendley, P R', 'Saleur, H', 'Warner, N P']
['Exact solution of a massless scalar field with a relevant boundary interaction']
['Particle Physics - Theory']
['sine-Gordon model', 'field theory, massless', 'massless, field theory', 'dimension, 2', 'boundary condition', 'field theory, soliton', 'S-matrix', 'Hall effect', 'tunneling', 'renormalization group, transformation', 'energy', 'partition function']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406125']
['We solve exactly the "boundary sine-Gordon" system of a massless scalar field \\phi with a \\cos[\\beta\\phi/2] potential at a boundary. This model has appeared in several contexts, including tunneling between quantum-Hall edge states and in dissipative quantum mechanics. For \\beta^2 < 8\\pi, this system exhibits a ...
['1994-06-24']
16,890
['eng']
['Itoi, C']
['Smooth paths on three dimensional lattice']
['Particle Physics - Theory']
['lattice field theory', 'dimension, 3', 'random walk', 'spin', 'diffusion', 'critical phenomena', 'field theory, relativistic', 'continuum limit']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406123']
['A particular class of random walks with a spin factor on a three dimensional cubic lattice is studied. This three dimensional random walk model is a simple generalization of random walk for the two dimensional Ising model. All critical diffusion constants and associated critical exponents are calculated. Continuum fi...
['1994-06-24']
16,891
['eng']
['Buchbinder, I L', 'Shapiro, I L']
['On the possible experimental manifestations of the torsion field at low energies. V.G.Bagrov']
['Particle Physics - Theory']
['field theory, torsion', 'Dirac equation', 'spinor', 'gravitation, external field', 'electromagnetic field, external field', 'proposed experiment']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406122']
['We construct the theoretical base for the search of the possible experimental manifestations of the torsion field at low energies. The weakrelativistic approximation to the Dirac equation in an external torsion field is considered. For the sake of generality we introduce the external electromagnetic field in parallel...
['1994-06-24']
16,892
['eng']
['Semenoff, Gordon W', 'Richard, J']
['Equivariant localization, spin systems and topological quantum theory on riemann surfaces']
['Particle Physics - Theory']
['field theory, topological', 'dimension, 2', 'Riemann surfaces', 'path integral', 'phase space', 'cohomology']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406121']
['We study equivariant localization formulas for phase space path integrals when the phase space is a multiply connected compact Riemann surface. We consider the Hamiltonian systems to which the localization formulas are applicable and show that the localized partition function for such systems is a topological invaria...
['1994-06-24']
16,893
['eng']
['Girardello, L', 'Giveon, Amit', 'Porrati, Massimo', 'Zaffaroni, A']
['"non-abelian strong-weak coupling duality in (String-Derived) N=4 supersymmetric yang-mills theories']
['Particle Physics - Theory']
['gauge field theory, Yang-Mills', 'supersymmetry', 'duality', 'strong coupling', 'weak coupling', 'path integral, Euclidean']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406128']
["We study strong-weak coupling duality (S-duality) in N=4 supersymmetric non-Abelian Yang-Mills theories. These theories arise naturally as the low-energy limit of four-dimensional toroidal compactifications of the heterotic string. Firstly, we define the free energy in the presence of electric and magnetic fluxes usi...
['1994-06-24']
16,894
['eng']
['Shapiro, I L', 'Sibiryakov, A G']
['Induced gravity from the consistent string theory coupled with two - dimensional quantum gravity. i $\\ell$buchbinder']
['Particle Physics - Theory']
['quantum gravity, induced', 'dimension, 2', 'string model', 'unified field theory, action', 'symmetry, classical', 'renormalization, beta function', 'sigma model, nonlinear', 'gauge field theory', 'effective action', 'conformal gauge', 'invariance, Weyl', 'perturbation theory, higher-order', 'bibliography', 'quark, be...
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406127']
["The unified theory of string and two-dimensional quantum gravity is considered. The action for two-dimensional gravity is choosen in a well-known induced form and thus gravity posesses it's oun nontrivial dynamics even on the classical level. Three classically equivalent forms of the action of the unified theory are ...
['1994-06-24']
16,895
['eng']
['Schwarz, A']
['Superanalogs of symplectic and contact geometry and their applications to quantum field theory']
['Particle Physics - Theory']
['supersymmetry, superspace', 'differential geometry, symplectic', 'differential forms', 'quantization', 'Hamiltonian formalism']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406120']
['The paper contains a short review of the theory of symplectic and contact manifolds and of the generalization of this theory to the case of supermanifolds. It is shown that this generalization can be used to obtain some important results in quantum field theory. In particular, regarding N-superconformal geometry as p...
['1994-06-24']
16,896
['eng']
['Gadiyar, G H']
['Quantum field theory without divergences']
['Particle Physics - Theory']
['quantum space', 'field theory', 'phase space', 'fundamental constant, length']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406108']
['A fundamental length is introduced into physics in a way which respects the principles of relativity and quantum field theory. This improves the properties of quantum field theory: divergences are removed. How to quantize gravity is also indicated. When the fundamental length tends to zero the present version of quan...
['1994-06-17']
16,897
['eng']
['Frasca, M']
['U(1) field theory in the limit of a large coupling constant']
['Particle Physics - Theory']
['gauge field theory, U(1)', 'fermion, massive', 'massive, fermion', 'approximation, strong coupling', 'strong coupling, approximation', 'symmetry, spontaneously broken', 'model, superconducting', 'superconducting, model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406119']
['We consider a massive fermion interacting with a U(1) gauge field in the limit of a large coupling constant. It is found that the current has a generalized London term that can originate massive excitations for two of the three components of the gauge field, which disappear for a free particle at rest. The origin of ...
['1994-06-24']
16,898
['eng']
['Lashkevich, M Y']
['Sectors of mutually local fields in integrable models of quantum field theory']
['Particle Physics - Theory']
['axiomatic field theory', 'dimension, 2', 'symmetry, Z(2)', 'integrability', 'fermion', 'Hamiltonian formalism', 'S-matrix', 'form factor', 'phase space', 'Ising model', 'sine-Gordon model']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406118']
["It is known that 2D field theories admit several sectors of mutually local fields so as two fields from different sectors are generally mutually nonlocal. We show that any one-particle integrable model with {\\bf Z_2} symmetry contains three sectors: bosonic, fermionic and `disorder' one. We generalize the form facto...
['1994-06-24']
16,899
['eng']
['Stephany, J', 'Arias, P J']
['Gauge invariance and second class constraints in 3-D linearized gravity']
['Particle Physics - Theory']
['gravitation', 'dimension, 3', 'approximation, linear', 'invariance, gauge', 'duality', 'mass, topological', 'topological, mass', 'quantization, constraint']
['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9406092']
['Abstract:A recently introduced approach for the dynamical analysis and quantization of field theoretical models with second class constraints is ilustrated applied to linearized gravity in 3-D. The canonical structure of two different models of linerized gravity in 3-D, the intermediate and the self dual models, is d...
['1994-06-16']