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 |
|---|---|---|---|---|---|---|---|---|
12,000 | ['eng'] | ['Langmann, E', 'Mickelsson, J'] | ['Vacuum Polarization Renormalization and the Geometric Phase'] | ['Particle Physics - Theory'] | ['talk, Goslar 1996/07/15', 'gauge field theory, Yang-Mills', 'vacuum polarization', 'quantization, 2', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612177'] | ['As an application of the renormalization method introduced by the second author we give a causal definition of the phase of the quantum scattering matrix for fermions in external Yang-Mills potentials. The phase is defined using parallel transport along the path of renormalized time evolution operators. The time evol... | ['1996-12-18'] |
12,001 | ['eng'] | ['Gebert, R W'] | ['Beyond the Frenkel-Kac-Segal construction of affine Lie algebras'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'algebra, Lie', 'algebra, affine', 'algebra, commutation relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612179'] | ['This contribution reviews recent progress in constructing affine Lie algebras at arbitrary level in terms of vertex operators. The string model describes a completely compactified subcritical chiral bosonic string whose momentum lattice is taken to be the (Lorentzian) affine weight lattice. The main feature of the ne... | ['1996-12-18'] |
12,002 | ['eng'] | ['Recknagel, A'] | ['From path representations to global morphisms for a class of minimal models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'path integral', 'algebra, fusion', 'quantum algebra, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612178'] | ['We construct global observable algebras and global DHR morphisms for the Virasoro minimal models with central charge c(2,q), q odd. To this end, we pass {}from the irreducible highest weight modules to path representations, which involve fusion graphs of the c(2,q) models. The paths have an interpretation in terms of... | ['1996-12-18'] |
12,003 | ['eng'] | ['Gogilidze, S A', 'Surovtsev, Yu S'] | ['Dynamical Systems with First- and Second-Class Constraints and the Second Noether Theorem'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'symmetry, transformation', 'charge, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612180'] | ['Dynamical systems, described by Lagrangians with first- and second-class constraints, are investigated. In the Dirac approach to the generalized Hamiltonian formalism, the classification and separation of the first- and second-class constraints are presented with the help of passing to an equivalent canonical set of ... | ['1996-12-18'] |
12,004 | ['eng'] | ['Greene, Brian R', 'Kanter, Yu'] | ['Small Volumes in Compactified String Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, Calabi-Yau', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612181'] | ['We discuss some of the classical and quantum geometry associated to the degeneration of cycles within a Calabi-Yau compactification. In particular, we focus on the definition and properties of quantum volume, especially as it applies to identifying the physics associated to loci in moduli space where nonperturbative ... | ['1996-12-18'] |
12,005 | ['eng'] | ['Acharya, B S', "O'Loughlin, M H"] | ['Self-Duality in $D \\leq 8$-dimensional Euclidean Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, < =8', 'field theory, Euclidean', 'duality', 'field equations, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612182'] | ['In the context of D-dimensional Euclidean gravity, we define the natural generalisation to D-dimensions of the self-dual Yang-Mills equations, as duality conditions on the curvature 2-form of a Riemannian manifold. Solutions to these self-duality equations are provided by manifolds of SU(2), SU(3), G_2 and Spin(7) ho... | ['1996-12-18'] |
12,006 | ['eng'] | ['Kao, H', 'Lee, K', 'Lee, T'] | ['The BPS Domain Wall Solutions in Self-Dual Chern-Simons-Higgs Systems'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'Higgs model', 'field theory, soliton', 'domain wall', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612183'] | ['We study domain wall solitons in the relativistic self-dual Chern-Simons Higgs systems by the dimensional reduction method to two dimensional spacetime. The Bogomolny bound on the energy is given by two conserved quantities in a similar way that the energy bound for BPS dyons is set in some Yang-Mills-Higgs systems i... | ['1996-12-18'] |
12,007 | ['eng'] | ['Suzuki, H', 'Yasuta, H'] | ['Observing Quantum Tunneling in Perturbation Series'] | ['Particle Physics - Theory'] | ['quantum mechanics, tunneling', 'potential', 'energy, ground state', 'approximation, quasiclassical', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612165'] | ['We apply Borel resummation method to the conventional perturbation series of ground state energy in a metastable potential, $V(x)=x^2/2-gx^4/4$. We observe numerically that the discontinuity of Borel transform reproduces the imaginary part of energy eigenvalue, i.e., total decay width due to the quantum tunneling. Th... | ['1996-12-17'] |
12,008 | ['eng'] | ['Abdalla, Elcio'] | ['Operator solutions of two-dimensional chiral gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, chiral', 'dimension, 2', 'operator, solution', 'anomaly', 'fermion, massive'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612166'] | ['The exact operator solutions of two-dimensional anomaly-free chiral abelian gauge theories are obtained. We show that anomaly-cancellation conditions arise as consistency requirements of these solutions. For a certain class of flavour symmetries, fermion condensates are constructed. These are shown to violate the fer... | ['1996-12-17'] |
12,009 | ['eng'] | ['Westerberg, A'] | ['On higher-dimensional loop algebras, pseudodifferential operators and Fock space realizations'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'algebra, Lie', 'algebra, Kac-Moody', 'algebra, loop space', 'current algebra', 'cohomology', 'linear spaces, Fock space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612167'] | ['We discuss a previously discovered [hep-th/9401027] extension of the infinite-dimensional Lie algebras Map(M,g) which generalizes the Kac-Moody algebras in 1+1 dimensions and the Mickelsson-Faddeev algebras in 3+1 dimensions to manifolds M of general dimensions. Furthermore, we review the method of regularizing curre... | ['1996-12-17'] |
12,010 | ['eng'] | ['Ketov, S V'] | ['Mixed (open/closed) N=(2,2) string theory as an integrable deformation of self-duality'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'string, open', 'string, closed', 'effective action', 'field theory, deformation', 'integrability', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612170'] | ['The exact effective field equations of motion, corresponding to the perturbative mixed theory of open and closed (2,2) world-sheet supersymmetric strings, are investigated. It is shown that they are only integrable in the case of an abelian gauge group. The gravitational equations are then stationary with respect to ... | ['1996-12-17'] |
12,011 | ['eng'] | ['Miele, G', 'Vitale, P'] | ['Three Dimensional Gross-Neveu Model on Curved Spaces'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 3', 'Gross-Neveu model', 'expansion 1/N', 'regularization, zeta function', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612168'] | ['The large N limit of the 3-d Gross-Neveu model is here studied on manifolds with positive and negative constant curvature. Using the $\\zeta$-function regularization we analyze the critical properties of this model on the spaces $S^2 \\times S^1$ and $H^2\\times S^1$. We evaluate the free energy density, the spontane... | ['1996-12-17'] |
12,012 | ['eng'] | ['Shilnov, Yu I', 'Chitov, V V', 'Kotwicki, A T'] | ['Schwinger-Dyson Equations and Dynamical Symmetry Breaking in Quantum $R^2$- gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, action', 'derivative, high', 'symmetry breaking, chiral', 'symmetry, dynamically broken', 'Dyson-Schwinger equation, solution', 'perturbation theory, higher-order', 'fermion, mass generation', 'dimension, 2', 'dimension, 4', 'critical phenomena', 'numerical calculations', 'bibliograph... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612169'] | ['The dymamical chiral symmetry breaking in higher- derivative quantum gravity has been investigated on the flat background. The Schwinger- Dyson equations numerical solutions have been found in the ladder approximation. Both two- and four- dimensional cases have been considered. The dymamical fermion mass generation a... | ['1996-12-17'] |
12,013 | ['eng'] | ['Ketov, S V'] | ['Self-duality and F theory'] | ['Particle Physics - Theory'] | ['talk, Goeteborg 1996/09/09', 'talk, Wittenberg 1996/11/29', 'string model', 'membrane model', 'field theory, F-theory', 'duality', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612171'] | ['The (2,2) world-sheet supersymmetric string theory is discussed from the viewpoint of string/membrane unification. The effective field theory in the closed string target space is known to be the 2+2 dimensional (integrable) theory of self-dual gravity (SDG). A world-volume supersymmetrization of the Pleba\'nski actio... | ['1996-12-17'] |
12,014 | ['eng'] | ['Guruswamy, S', 'Ludwig, A W W'] | ['Relating $c < 0$ and $c > 0$ Conformal Field Theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'central charge, dependence', 'ghost', 'fermion, symplectic', 'current algebra, SL(2)', 'hidden symmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612172'] | ["A `canonical mapping' is established between the c=-1 system of bosonic ghosts and the c=2 complex scalar theory and, a similar mapping between the c=-2 system of fermionic ghosts and the c=1 Dirac theory. The existence of this mapping is suggested by the identity of the characters of the respective theories. The res... | ['1996-12-17'] |
12,015 | ['eng'] | ['Aizawa, N', 'Kobayashi, T', 'Sato, H T'] | ['Notes on Curtright-Zachos Deformations of osp(1,2) and Super Virasoro Algebras'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'algebra, OSp(1,2)', 'algebra, deformation', 'quantum algebra', 'supersymmetry, superspace'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9706176'] | ['Based on the quantum superspace construction of $q$-deformed algebra, we discuss a supersymmetric extension of the deformed Virasoro algebra, which is a subset of the $q$-$W_{\\infty}$ algebra recently appeared in the context of two-dimensional string theory. We analyze two types of deformed super-Virasoro algebra as... | ['1997-06-26'] |
12,016 | ['eng'] | ['Jones, B D', 'Perry, R J'] | ['The Lamb Shift in a Light Front Hamiltonian Approach'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'quantization, light front', 'Hamiltonian formalism', 'hydrogen, energy levels', 'radiative correction', 'perturbation theory, higher-order', 'renormalization', 'quantum chromodynamics, nonperturbative', 'Schroedinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612163'] | ['Light-front Hamiltonian methods are being developed to attack bound-state problems in QCD. In this paper we advance the state of the art for these methods by computing the well-known Lamb shift in hydrogen starting from first principles of QED. There are obvious but significant qualitative differences between QED and... | ['1996-12-16'] |
12,017 | ['eng'] | ['Horowitz, Gary T', 'Polchinski, Joseph'] | ['A Correspondence Principle for Black Holes and Strings'] | ['Particle Physics - Theory'] | ['black hole, charge', 'string model', 'space-time, Schwarzschild', 'membrane model, p-brane', 'entropy', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612146'] | ['For most black holes in string theory, the Schwarzschild radius in string units decreases as the string coupling is reduced. We formulate a correspondence principle, which states that (i) when the size of the horizon drops below the size of a string, the typical black hole state becomes a typical state of strings and... | ['1996-12-16'] |
12,018 | ['eng'] | ['Kim, V T', 'Pivovarov, G B'] | ['Effective Regge QCD'] | ['Particle Physics - Theory'] | ['n-point function', 'gauge field theory, Regge', 'perturbation theory, higher-order', 'gluon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612147'] | ['A new framework for a high energy limit of quantum gauge field theories is introduced. Its potency is illustrated on a new derivation of the reggeization of the gluon.'] | ['1996-12-16'] |
12,019 | ['eng'] | ['Kato, M', 'Okada, T'] | ['D-Branes on Group Manifolds'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'membrane model, p-brane', 'phase space', 'boundary condition', 'group theory, geometrical', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612148'] | ['Possible Dirichlet boundary states for WZW models with untwisted affine super Kac-Moody symmetry are classified for all compact simple Lie groups. They are obtained by inner- and outer-automorphism of the group. D-brane world-volume turns out to be a group manifold of a symmetric subgroup, so that the moduli space of... | ['1996-12-16'] |
12,020 | ['eng'] | ['Corrigan, E', 'Sheng, Z M'] | ['Classical integrability of the O(N) nonlinear $\\sigma$ model on a half-line'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'boundary condition', 'integrability', 'differential equations, Lax'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612150'] | ['The classical integrability the O(N) nonlinear sigma model on a half-line is examined, and the existence of an infinity of conserved charges in involution is established for the free boundary condition. For the case N=3 other possible boundary conditions are considered briefly.'] | ['1996-12-16'] |
12,021 | ['eng'] | ['Tolksdorf, J'] | ['The Einstein-Hilbert-Yang-Mills-Higgs Action and the Dirac-Yukawa Operator'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, Yang-Mills', 'Higgs model', 'fermion', 'coupling, Yukawa', 'fibre bundle', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612149'] | ['In this article we show in some detail how the full action functional of the standard model of elementary particle physics can be described within the geometrical setting of generalized Dirac operators. We thereby introduce a new model building kit for (a certain class of) gauge invariant theories which provides a un... | ['1996-12-16'] |
12,022 | ['eng'] | ['Pavsic, M'] | ['Fock-Schwinger proper time formalism for p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'Hamiltonian formalism', 'constraint', 'Schroedinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612151'] | ["The theory of the usual, constrained p-branes is embedded into a larger theory in which there is no constraints. In the latter theory the Fock-Schwinger proper time formalism is extended from point-particles to p-branes which can be considered as a points in an infinite dimensional space M. The quantization appears t... | ['1996-12-16'] |
12,023 | ['eng'] | ['Cederwall, Martin'] | ['Aspects of D-brane actions'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'string model', 'supersymmetry', 'effective action', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612153'] | ['A couple of issues concerning the effective dynamics of D-branes in string theory are discussed. Primarily, I am concerned with linearization of the actions by introduction of non-propagating fields and a full super- and kappa-symmetric description of D-branes.'] | ['1996-12-16'] |
12,024 | ['eng'] | ['Banks, T', 'Seiberg, N', 'Shenker, S H'] | ['Branes from Matrices'] | ['Particle Physics - Theory'] | ['field theory, M-theory', 'matrix model', 'supersymmetry', 'membrane model, p-brane', 'operator, algebra', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612157'] | ['Various aspects of branes in the recently proposed matrix model for M theory are discussed. A careful analysis of the supersymmetry algebra of the matrix model uncovers some central charges which can be activated only in the large N limit. We identify the states with non-zero charges as branes of different dimensions... | ['1996-12-16'] |
12,025 | ['eng'] | ['Guida, R', 'Magnoli, N'] | ['Tricritical Ising Model near criticality'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'central charge, 7/10', 'perturbation theory', 'Ising model', 'critical phenomena', 'universality', 'correlation function', 'sum rule', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612154'] | ['The most relevant thermal perturbation of the continuous d=2 minimal conformal theory with c=7/10 (Tricritical Ising Model) is treated here. This model describes the scaling region of the $\\phi^6$ universality class near the tricritical point. The problematic IR divergences of the naive perturbative expansion around... | ['1996-12-16'] |
12,026 | ['eng'] | ['Falomir, H A'] | ['Condiciones de contorno globales para el operador de Dirac'] | ['Particle Physics - Theory'] | ['talk, Valparaiso 1996/11/27', 'fermion', 'path integral', 'operator, Dirac', 'operator, determinant', 'index theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612155'] | ['Functional determinants for Dirac operators on manifolds with boundary are considered. Ellipticity of boundary value problems is discussed in terms of the Calderon projector. The functional determinant for a Dirac operator on a bidimensional disk, in the presence of an Abelian gauge field, subject to global boundary ... | ['1996-12-16'] |
12,027 | ['eng'] | ['Andrianov, A A', 'Soldati, R'] | ['Dynamical Lorentz Symmetry Breaking from 3 + 1 Renormalizable Model with Wess-Zumino Interaction'] | ['Particle Physics - Theory'] | ['talk, St. Petersburg 1996/09/12', 'Schwinger model', 'effective action', 'Wess-Zumino term', 'symmetry breaking, Lorentz', 'symmetry, dynamically broken', 'perturbation theory, higher-order', 'renormalization group, beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612156'] | ['We study the renormalizable abelian vector-field models in the presence of the Wess-Zumino interaction with the pseudoscalar matter. The renormalizability is achieved by supplementing the standard kinetic term of vector fields with higher derivatives. The appearance of fourth power of momentum in the vector-field pro... | ['1996-12-16'] |
12,028 | ['eng'] | ['Reuter, M'] | ['Weyl-Invariant Quantization of Liouville Field Theory'] | ['Particle Physics - Theory'] | ['talk, Dubna 1996/08/26', 'field theory, Liouville', 'dimension, 2', 'effective action', 'Ward identity', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612158'] | ['Liouville field theory is quantized by means of a Wilsonian effective action and its associated exact renormalization group equation. For $c<1$, an approximate solution of this equation is obtained by truncating the space of all action functionals. The Ward identities resulting from the Weyl invariance of the theory ... | ['1996-12-16'] |
12,029 | ['eng'] | ['Walton, M A'] | ['Demazure Characters and Affine Fusion Rules'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'algebra, affine', 'algebra, fusion', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612159'] | ["The Demazure character formula is applied to the Verlinde formula for affine fusion rules. We follow Littelmann's derivation of a generalized Littlewood-Richardson rule from Demazure characters. A combinatorial rule for affine fusions does not result, however. Only a modified version of the Littlewood-Richardson rule... | ['1996-12-16'] |
12,030 | ['eng'] | ['Castro, C'] | ['The Noncritical W(infinity) String Sector of the Membrane'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'dimension, 11', 'gauge field theory, SU(infinity)', 'dimension, 10', 'algebra, W(infinity)', 'integrability', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612160'] | ["The exact quantum integrability aspects of a sector of the membrane is investigated. It is found that spherical membranes ( in the lightcone gauge) moving in flat target spacetime backgrounds admit a class of integrable solutions linked to $SU(\\infty)$ SDYM equations ( dimensionally reduced to one temporal dimension... | ['1996-12-16'] |
12,031 | ['eng'] | ['Tseytlin, Arkady A'] | ['Type IIB instanton as a wave in twelve dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'supergravity', 'dimension, 11', 'dimensional reduction', 'gravitational radiation', 'membrane model, p-brane', 'p-brane, 0'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612164'] | ['0-brane of type IIA string theory can be interpreted as a dimensional reduction of a gravitational wave in 11 dimensions. We observe that a similar interpretation applies also to the D-instanton background of type IIB theory: it can be viewed as a reduction (along one spatial and one time-like direction) of a wave in... | ['1996-12-16'] |
12,032 | ['eng'] | ['Kachru, S', 'Silverstein, E'] | ['On Gauge Bosons in the Matrix Model Approach to M Theory'] | ['Particle Physics - Theory'] | ['field theory, M-theory', 'matrix model', 'membrane model, p-brane', 'p-brane, 0', 'bound state', 'spontaneous compactification', 'duality', 'soliton', 'symmetry breaking', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612162'] | ["We discuss the appearance of $E_8\\times E_8$ gauge bosons in Banks, Fischler, Shenker, and Susskind's zero brane quantum mechanics approach to M theory, compactified on the interval $S^1/Z_2$. The necessary bound states of zero branes are proven to exist by a straightforward application of T-duality and heterotic $S... | ['1996-12-16'] |
12,033 | ['eng'] | ['De Boer, J', 'Hori, K', 'Ooguri, H', 'Oz, Y', 'Yin, Z'] | ['Mirror Symmetry in Three-Dimensional Gauge Theories, SL(2,Z) and D-Brane Moduli Spaces'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 3', 'duality, transformation', 'membrane model, p-brane', 'algebra, Lie', 'field theory, M-theory', 'symmetry, mirror', 'symmetry, SL(2,Z)', 'moduli space', 'correction, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612131'] | ['We construct intersecting D-brane configurations that encode the gauge groups and field content of dual N=4 supersymmetric gauge theories in three dimensions. The duality which exchanges the Coulomb and Higgs branches and the Fayet-Iliopoulos and mass parameters is derived from the SL(2,Z) symmetry of the type IIB st... | ['1996-12-13'] |
12,034 | ['eng'] | ['Oh, P'] | ['The Field Theory of Generalized Ferromagnet on the Hermitian Symmetric Spaces'] | ['Particle Physics - Theory'] | ['talk, Seoul 1996/08/22', 'model, ferromagnet', 'sigma model, nonlinear', 'coset space', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 2', 'dimension, 3', 'energy', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612132'] | ['We discuss the recent developments in the generalized continuous Heisenberg ferromagnet model formulated as a nonrelativistic field theory defined on the target space of the coadjoint orbits. Hermitian symmetric spaces are special because they provide completely integrable field theories in 1+1 dimension and self-dua... | ['1996-12-13'] |
12,035 | ['eng'] | ['Pillin, M'] | ['Form Factors in $D_n^{(1)}$ Affine Toda Field Theories'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'dimension, 2', 'S-matrix', 'form factor', 'bootstrap'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612133'] | ['We derive closed recursion equations for the symmetric polynomials occuring in the form factors of $D_n^{(1)}$ affine Toda field theories. These equations follow from kinematical- and bound state residue equations for the full form factor. We also discuss the equations arising from second and third order forward chan... | ['1996-12-13'] |
12,036 | ['eng'] | ['Nam, S'] | ['Integrable Models, SUSY Gauge Theories, and String Theory'] | ['Particle Physics - Theory'] | ['talk, Telluride 1996/08/05', 'gauge field theory, SU(N)', 'supersymmetry', 'duality', 'field theory, integrability', 'field theory, massive', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612134'] | ["We consider the close relation between duality in N=2 SUSY gauge theories and integrable models. Vario us integrable models ranging from Toda lattices, Calogero models, spinning tops, and spin chains are re lated to the quantum moduli space of vacua of N=2 SUSY gauge theories. In particular, SU(3) gauge t heories wit... | ['1996-12-13'] |
12,037 | ['eng'] | ['Corrigan, E'] | ['Integrable field theory with boundary conditions'] | ['Particle Physics - Theory'] | ['lectures, Urumchi 1996/08/11', 'dimension, 2', 'integrability', 'S-matrix', 'operator, Lax', 'analytic properties', 'bootstrap', 'field theory, Toda', 'field theory, affine', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612138'] | ["Talks given at the workshop ``Frontiers in Quantum Field Theory'', held in Urumqi, Xinjiang Uygur Autonomous Region, People's Republic of China, 11-19 August 1996."] | ['1996-12-13'] |
12,038 | ['eng'] | ['Kopf, T', 'Santana, A E', 'Khanna, F C'] | ['Thermal Field Dynamics and Bialgebras'] | ['Particle Physics - Theory'] | ['finite temperature', 'operator, algebra', 'algebra, Heisenberg', 'algebra, deformation', 'algebra, representation', 'linear spaces, Fock space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612137'] | ['In Thermal Field Dynamics, thermal states are obtained from restrictions of vacuum states on a doubled field algebra. It is shown that the suitably doubled Fock representations of the Heisenberg algebra do not need to be introduced by hand but can be canonically handed down from deformations of the extended Heisenber... | ['1996-12-13'] |
12,039 | ['eng'] | ['Mazur, P O'] | ['Topology Change and Nonperturbative Instability of Black Holes in Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'Chern-Simons term', 'dimension, 3', 'astrophysics, wave function', 'anomaly', 'topology, dependence', 'space-time', 'gravitation, measure', 'black hole, stability', 'nonperturbative', 'approximation, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612136'] | ["Topology change in quantum gravity is considered. An exact wave function of the Universe is calculated for topological Chern-Simons 2+1 dimensional gravity. This wave function occurs as the effect of a quantum anomaly which leads to the induced gravity. We find that the wave function depends universally on the topolo... | ['1996-12-13'] |
12,040 | ['eng'] | ['Herrera, A', 'Kechkin, O V'] | ['O(d,d)-Symmetry and Ernst Formulation for Einstein-Kalb-Ramond Theory in Three Dimensions'] | ['Particle Physics - Theory'] | ['talk, Dubna 1996/12/08', 'gravitation, action', 'any-dimensional', 'field theory, axion', 'field theory, dilepton', 'symmetry, O(N,N)', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612139'] | ['The Ernst-like matrix representation of the multidimensional Einstein-Kalb-Ramond theory is developed and the O(d,d)-symmetry is presented in the matrix-valued SL(2,R)-form. The analogy with the Einstein and Einstein-Maxwell-Dilaton-Axion theories is discussed.'] | ['1996-12-13'] |
12,041 | ['eng'] | ['Sissakian, A N', 'Shevchenko, O Yu', 'Solganik, S B'] | ['Chern-Simons term at finite density'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'fermion', 'dimension, 3', 'effective action', 'perturbation theory, higher-order', 'potential, chemical', 'density, finite'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612140'] | ['It is shown that the Chern-Simons topological term coefficient essentially depends on a chemical potential. In particular, when the number of particles exceeds that of antiparticles in background it can even disappear. On the other hand, when antiparticles prevail particles it does not vanish and at high densities ev... | ['1996-12-13'] |
12,042 | ['eng'] | ['Roy, S'] | ['Orbifolds of M-Theory and Type II String Theories in Two Dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 2', 'spontaneous compactification, orbifold', 'field theory, M-theory', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612141'] | ['We consider several orbifold compactifications of M-theory and their corresponding type II duals in two space-time dimensions. In particular, we show that while the orbifold compactification of M-theory on $T^9/J_9$ is dual to the orbifold compactification of type IIB string theory on $T^8/I_8$, the same orbifold $T^... | ['1996-12-13'] |
12,043 | ['eng'] | ['Ortín, Tomas'] | ['Extremality Versus Supersymmetry in Stringy Black Holes'] | ['Particle Physics - Theory'] | ['black hole, mass', 'string model', 'effective action', 'any-dimensional', 'charge', 'entropy', 'temperature', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612142'] | ["We study general black-hole solutions of the low-energy string effective action in arbitrary dimensions using a general metric that can describe them all in a unified way both in the extreme and non-extreme cases. We calculate the mass, temperature and entropy and study which relations amongst the charges and the mas... | ['1996-12-13'] |
12,044 | ['eng'] | ['Li, M'] | ['Open Membranes in Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model', 'supersymmetry', 'field theory, M-theory', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612144'] | ['We discuss how to construct open membranes in the recently proposed matrix model of M theory. In order to sustain an open membrane, two boundary terms are needed in the construction. These boundary terms are available in the system of the longitudinal five-branes and D0-branes.'] | ['1996-12-13'] |
12,045 | ['eng'] | ['Blau, Matthias', 'Thompson, G'] | ['Aspects of $N_{T}\\geq 2$ Topological Gauge Theories and D-Branes'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gauge field theory, topological', 'supersymmetry, superfield', 'quantum mechanics', 'charge, topological', 'geometry, algebra', 'cohomology', 'instanton', 'gauge field theory, BF', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612143'] | ["We comment on various aspects of topological gauge theories possessing N_{T}\\geq 2 topological symmetry: (1) We show that the construction of Vafa-Witten and Dijkgraaf-Moore of `balanced' topological field theories is equivalent to an earlier construction in terms of N_{T}=2 superfields inspired by Susy QM. (2) We e... | ['1996-12-13'] |
12,046 | ['eng'] | ['Stern, A', 'Vitale, P'] | ['Hidden Quantum Group Symmetry in the Chiral Model'] | ['Particle Physics - Theory'] | ['model, chiral', 'symmetry, SU(2)', 'algebra, Kac-Moody', 'algebra, SL(2,C)', 'dimension, 2', 'field theory, deformation', 'quantum group', 'lattice, Toda', 'continuum limit'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612145'] | ['We apply the SL(2,C) lattice Kac-Moody algebra of Alekseev, Faddeev and Semenov-Tian-Shansky to obtain a new lattice description of the SU(2) chiral model in two dimensions. The system has a global quantum group symmetry and it can be regarded as a deformation of two different theories. One is the nonabelian Toda lat... | ['1996-12-13'] |
12,047 | ['eng'] | ['Das, A', 'Pernice, S A'] | ['Higher Dimensional SUSY Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, algebra', 'any-dimensional', 'Hamiltonian formalism', 'spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612125'] | ['Higher dimensional supersymmetric quantum mechanics is studied. General properties of the two dimensional case are presented. For three spatial dimesions or higher, a spin structure is shown to arise naturally from the nonrelativistic supersymmetry algebra.'] | ['1996-12-12'] |
12,048 | ['eng'] | ['Lykken, J D'] | ['Introduction to Supersymmetry'] | ['Particle Physics - Theory'] | ['lectures, Boulder 1996/06/02', 'supersymmetry', 'algebra, representation', 'central charge', 'sigma model, nonlinear', 'gauge field theory, Yang-Mills', 'renormalization, beta function', 'field theory, massless', 'field theory, massive', 'superfield', 'supergravity', 'dimensional reduction', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612114'] | ['These lectures give a self-contained introduction to supersymmetry from a modern perspective. Emphasis is placed on material essential to understanding duality. Topics include: central charges and BPS-saturated states, supersymmetric nonlinear sigma models, N=2 Yang-Mills theory, holomorphy and the N=2 Yang-Mills bet... | ['1996-12-12'] |
12,049 | ['eng'] | ['Ishibashi, N', 'Kawai, H', 'Kitazawa, Y', 'Tsuchiya, A'] | ['A Large-N Reduced Model as Superstring'] | ['Particle Physics - Theory'] | ['matrix model', 'invariance, Lorentz', 'dimension, 10', 'field theory, soliton', 'expansion 1/N', 'supersymmetry', 'gauge field theory, Yang-Mills', 'moduli space', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612115'] | ['A matrix model which has the manifest ten-dimensional $N=2$ super Poincare invariance is proposed. Interactions between BPS-saturated states are analyzed to show that massless spectrum is the same as that of type IIB string theory. It is conjectured that the large-N reduced model of ten-dimensional super Yang-Mills t... | ['1996-12-12'] |
12,050 | ['eng'] | ['Leseduarte, S', 'Romeo, A'] | ['Influence of a magnetic fluxon on the vacuum energy of quantum fields confined by a bag'] | ['Particle Physics - Theory'] | ['field theory, fluctuation', 'effect, boundary condition', 'effect, external field', 'flux, magnetic', 'vacuum state, energy', 'field theory, scalar', 'fermion', 'dimension, 2', 'dimension, 3', 'effect, Casimir', 'regularization, zeta function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612116'] | ['We study the simultaneous influence of boundary conditions and external fields on quantum fluctuations by considering vacuum zero-point energies for quantum fields in the presence of a magnetic fluxon confined by a bag, circular and spherical for bosons and circular for fermions. The Casimir effect is calculated in a... | ['1996-12-12'] |
12,051 | ['eng'] | ['Morris, T R'] | ['Three dimensional massive scalar field theory and the derivative expansion of the renormalization group'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, massive', 'dimension, 3', 'renormalization group, transformation', 'expansion, derivative', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612117'] | ['We show that non-perturbative fixed points of the exact renormalization group, their perturbations and corresponding massive field theories can all be determined directly in the continuum - without using bare actions or any tuning procedure. As an example, we estimate the universal couplings of the non-perturbative t... | ['1996-12-12'] |
12,052 | ['eng'] | ['Amorim, R', 'Braga, N R F'] | ['Global Anomalies in the Batalin-Vilkovisky Quantization'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'path integral', 'anomaly, axial', 'Dyson-Schwinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612118'] | ['The Batalin Vilkovisky (BV) quantization provides a general procedure for calculating anomalies associated to gauge symmetries. Recent results show that even higher loop order contributions can be calculated by introducing an appropriate regularization-renormalization scheme. However, in its standard form, the BV qua... | ['1996-12-12'] |
12,053 | ['eng'] | ['Bars, Itzhak', 'Kounnas, Costas'] | ['A new supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'supersymmetry, representation', 'supersymmetry, superspace', 'field theory, action', 'family', 'Kaluza-Klein model', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612119'] | ['We propose a new supersymmetry in field theory that generalizes standard supersymmetry and we construct field theoretic models that provide some of its representations. This symmetry combines a finite number of standard 4D supersymmetry multiplets into a single multiplet with a new type of Kaluza-Klein embedding in h... | ['1996-12-12'] |
12,054 | ['eng'] | ['Dorn, H'] | ['Nonabelian gauge field dynamics on matrix D-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'sigma model, nonlinear', 'dimension, 2', 'path integral', 'gauge field theory', 'background field', 'renormalization group, beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612120'] | ['We construct a calculational scheme for handling the matrix ordering problems connected with the appearance of D-brane positions taking values in the same Lie algebra as the nonabelian gauge field living on the D-brane. The formalism is based on the use of an one-dimensional auxiliary field living on the boundary of ... | ['1996-12-12'] |
12,055 | ['eng'] | ['Townsend, P K'] | ['Four Lectures on M-theory'] | ['Particle Physics - Theory'] | ['lectures, Trieste 1996/06/10', 'field theory, M-theory', 'string model', 'membrane model', 'supersymmetry', 'supergravity', 'dimension, 10', 'dimension, 11', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612121'] | ['Synopsis: (i) how superstring theories are unified by M-theory; (ii) how superstring and supermembrane properties follow from the D=10 and D=11 supersymmetry algebras; (iii) how D=10 and D=11 supergravity theories determine the strong coupling limit of superstring theories; (iv) how properties of type II p-branes fol... | ['1996-12-12'] |
12,056 | ['eng'] | ['Das, A', 'Pernice, S A'] | ['"Induced" Super-Symmetry Breaking with a Vanishing Vacuum Energy'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'symmetry, dynamically broken', 'Hamiltonian formalism', 'vacuum state', 'energy levels', 'angular momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612122'] | ['A new mechanism for symmetry breaking is proposed which naturally avoids the constraints following from the usual theorems of symmetry breaking. In the context of super-symmetry, for example, the breaking may be consistent with a vanishing vacuum energy. A 2+1 dimensional super-symmetric gauge field theory is explici... | ['1996-12-12'] |
12,057 | ['eng'] | ['Goodband, M'] | ['Gauge boson-monopole two particle bound states and duality'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(3)', 'Higgs model', 'field equations, monopole', 'field equations, dyon', 'particle, relativistic', 'charge, electric', 'bound state', 'perturbation theory', 'partial wave analysis', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612123'] | ["We consider perturbations in the fields of the 't Hooft-Polyakov monopole, dyon and point electric solutions. We find a series of bound modes where the fields are confined to the core of the respective solutions, and these are interpreted as bound states of a gauge boson with the respective solutions. We discuss the ... | ['1996-12-12'] |
12,058 | ['eng'] | ['Douglas, M R'] | ['Enhanced Gauge Symmetry in M(atrix) Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'field theory, M-theory', 'spontaneous compactification, K(3)', 'field theory, orbifold', 'membrane model, p-brane', 'Kaluza-Klein model', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612126'] | ['We discuss the origin of enhanced gauge symmetry in ALE (and K3) compactification of M theory, either defined as the strong coupling limit of the type IIa superstring, or as defined by Banks et al. In the D-brane formalism, wrapped membranes are D0 branes with twisted string boundary conditions, and appear on the sam... | ['1996-12-12'] |
12,059 | ['eng'] | ['Green, M B', 'Gutperle, M'] | ['Configurations of two D-instantons'] | ['Particle Physics - Theory'] | ['gauge field theory, U(2)', 'supersymmetry', 'dimension, 10', 'instanton, interaction', 'potential', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612127'] | ["The potential between two separated D-instantons at fixed (super) space-time points is obtained by a simple explicit integration over the `massive' variables of the zero-dimensional reduction of ten-dimensional U(2) super Yang-Mills theory. This potential vanishes for asymptotically large separations, becoming signif... | ['1996-12-12'] |
12,060 | ['eng'] | ['Dvali, G', 'Shifman, M'] | ['Domain Walls in Strongly Coupled Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'fermion', 'approximation, strong coupling', 'domain wall', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612128'] | ['Domain walls in strongly coupled gauge theories are discussed. A general mechanism is suggested automatically leading to massless gauge bosons localized on the wall. In one of the models considered, outside the wall the theory is in the non-Abelian confining phase, while inside the wall it is in the Abelian Coulomb p... | ['1996-12-12'] |
12,061 | ['eng'] | ['Polhemus, G M'] | ['Statistical Mechanics of Multiply Wound D-Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'topology', 'statistical mechanics', 'entropy', 'black hole', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612130'] | ['The D-brane counting of black hole entropy is commonly understood in terms of excitations carrying fractional charges living on long, multiply-wound branes (e.g. open strings with fractional Kaluza-Klein momentum). This paper addresses why the branes become multiply wound. Since multiply wound branes are T-dual to br... | ['1996-12-12'] |
12,062 | ['eng'] | ['Andreev, O D'] | ['Notes on SL(2) conformal fields theories'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'field theory, conformal', 'dimension, 2', 'symmetry, SL(2)', 'gravitation', 'coupling, matter', 'central charge, <1', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612098'] | ['In these notes I briefly outline SL(2) degenerate conformal field theories and their application to some related models, namely 2d gravity and N=2 discrete superconformal series.'] | ['1996-12-11'] |
12,063 | ['eng'] | ['Babelon, O', 'Bernard, D', 'Smirnov, F A'] | ['Form factors, KdV and Deformed Hyperelliptic Curves'] | ['Particle Physics - Theory'] | ['talk, La Londe Les Maures 1996/08/31', 'Korteweg-de Vries equation, soliton', 'quantization', 'form factor', 'sine-Gordon model', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612099'] | ['We review and summarize recent works on the relation between form factors in integrable quantum field theory and deformation of geometrical data associated to hyper-elliptic curves. This relation, which is based on a deformation of the Riemann bilinear identity, in particular leads to the notion of null vectors in in... | ['1996-12-11'] |
12,064 | ['eng'] | ['Kleihaus, B', 'Kunz, J'] | ['Static Axially Symmetric Solutions of Einstein-Yang-Mills-Dilaton Theory'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, Yang-Mills', 'field theory, dilaton', 'field equations, solution', 'symmetry, axial', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612101'] | ["We construct static axially symmetric solutions of SU(2) Einstein-Yang-Mills-dilaton theory. Like their spherically symmetric counterparts, these solutions are nonsingular and asymptotically flat. The solutions are characterized by the winding number n and the node number k of the gauge field functions. For fixed n w... | ['1996-12-11'] |
12,065 | ['eng'] | ['Kutasov, D', 'Martinec, Emil J'] | ['M-branes and N=2 Strings'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'membrane model', 'gravitation', 'gauge field theory, Yang-Mills', 'duality', 'partition function', 'operator, vertex', 'quantization, constraint', 'Hamiltonian formalism', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612102'] | ["The string field theory of N=(2,1) heterotic strings describes a set of self-dual Yang-Mills fields coupled to self-dual gravity in 2+2 dimensions. We show that the exact classical action for this field theory is a certain complexification of the Green-Schwarz/Dirac-Born-Infeld string action, closely related to the f... | ['1996-12-11'] |
12,066 | ['eng'] | ['Gómez, C'] | ['D-Brane Probes and Mirror Symmetry'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'space-time, K(3)', 'transformation, mirror', 'cohomology', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612104'] | ["We study the effect of mirror symmetry for K3 surfaces on D-brane probe physics. The case of elliptically fibered K3 surfaces is considered in detail. In many cases, mirror can transform a singular fiber of Kodaira's type ADE into sets of singular fibers of type I_1 (II) with equal total Euler number, but vanishing c... | ['1996-12-11'] |
12,067 | ['eng'] | ['Diamantini, M Cristina', 'Quevedo, F', 'Trugenberger, Carlo Andrea'] | ['Confining Strings with Topological Term'] | ['Particle Physics - Theory'] | ['string model', 'field theory, tensor', 'field theory, topological', 'duality, transformation', 'effective action', 'Theta parameter', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612103'] | ["We consider several aspects of `confining strings', recently proposed to describe the confining phase of gauge field theories. We perform the exact duality transformation that leads to the confining string action and show that it reduces to the Polyakov action in the semiclassical approximation. In 4D we introduce a ... | ['1996-12-11'] |
12,068 | ['eng'] | ['Andrianopoli, Laura', "D'Auria, R", 'Ferrara, Sergio'] | ['U-Duality and Central Charges in Various Dimensions Revisited'] | ['Particle Physics - Theory'] | ['supergravity', 'any-dimensional', 'supersymmetry, central charge', 'charge, electric', 'charge, magnetic', 'duality', 'fibre bundle', 'differential geometry, symplectic', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612105'] | ['A geometric formulation which describes extended supergravities in any dimension in presence of electric and magnetic sources is presented. In this framework the underlying duality symmetries of the theories are manifest. Particular emphasis is given to the construction of central and matter charges and to the symple... | ['1996-12-11'] |
12,069 | ['eng'] | ['Liang, J Q', 'Müller-Kirsten, H J W', 'Zhou Jian Ge', 'Zimmerschied, F', 'Pu, F C'] | ['Quantum Tunneling of Spin Particles in Periodic Potentials with Asymmetric Twin Barriers'] | ['Particle Physics - Theory'] | ['tunneling', 'potential', 'spin', 'instanton', 'energy spectrum', 'ferromagnet', 'magnetic field, constant', 'effective Lagrangian', 'coherence, quenching'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612106'] | ["The tunneling effect of a periodic potential with an asymmetric twin barrier per period is calculated using the instanton method. The model is derived from the Hamiltonian of a small ferromagnetic particle in an external magnetic field using the spin-coherent-state path integral. The instantons in two neighbouring ba... | ['1996-12-11'] |
12,070 | ['eng'] | ['Aspinwall, Paul S'] | ['Point-like Instantons and the Spin(32)/Z2 Heterotic String'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, Spin(32)/Z(2)', 'spontaneous compactification, K(3)', 'fibre bundle', 'topology', 'field theory, instanton', 'symmetry breaking', 'group theory, representation', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612108'] | ["We consider heterotic string theories compactified on a K3 surface which lead to an unbroken perturbative gauge group of Spin(32)/Z2. All solutions obtained are combinations of two types of point-like instanton --- one ``simple type'' as discovered by Witten and a new type associated to the ``generalized second Stief... | ['1996-12-11'] |
12,071 | ['eng'] | ['Branchina, Vincenzo', 'Mohrbachand, H', 'Polonyi, J'] | ['The antiferromagnetic $\\phi^4$ Model; 2, The one-loop renormalization'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'lattice field theory', 'ferromagnet', 'scaling', 'critical phenomena', 'symmetry, chiral', 'continuum limit', 'coupling constant, renormalization', 'perturbation theory, higher-order', 'effective potential', 'mass spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612111'] | ['It is shown that the four dimensional antiferromagnetic lattice phi4 model has the usual non-asymptotically free scaling law in the UV regime around the chiral symmetrical critical point. The theory describes a scalar and a pseudoscalar particle. A continuum effective theory is derived for low energies. A possibility... | ['1996-12-11'] |
12,072 | ['eng'] | ['Antonov, D V'] | ['A correction to the Hamiltonian of the QCD string with quarks due to the rigidity term'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'string model, action', 'effective Hamiltonian, correction', 'quark, spinless', 'relativistic', 'Schroedinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612109'] | ['A correction to the Hamiltonian of the quark-antiquark system, arising due to the rigidity term in the gluodynamics string effective action, is obtained. This correction contains additional contributions to the orbital momentum of the system and several higher derivative operators. With the help of the derived Hamilt... | ['1996-12-11'] |
12,073 | ['eng'] | ['Branchina, Vincenzo', 'Mohrbach, H', 'Polonyi, J'] | ['The antiferromagnetic $\\phi^4$ Model; 1, Mean-field Solution'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'critical phenomena', 'ferromagnet', 'mean field approximation', 'boson, chiral', 'regularization, lattice', 'decoupling', 'propagator', 'lattice field theory', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612110'] | ['Certain higher dimensional operators of the lagrangian may render the vacuum inhomogeneous. A rather rich phase structure of the phi4 scalar model in four dimensions is presented by means of the mean-field approximation. One finds para- ferro- ferri- and antiferromagnetic phases and commensurate- incommesurate transi... | ['1996-12-11'] |
12,074 | ['eng'] | ['De Faria-Borges, P', 'Boschi-Filho, H', 'Farina, C'] | ['Generalized Partition Functions For Quasi-periodic Fields'] | ['Particle Physics - Theory'] | ['finite temperature', 'boson', 'fermion', 'boundary condition', 'partition function', 'regularization, zeta function', 'boson, condensation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612112'] | ['Using the fact that bosonic fields at finite temperature $T=\\beta^{-1}$ are periodic in the interval $(0,\\beta)$ while fermionic fields are antiperiodic, we discuss the construction of partition functions for quasi-periodic fields, i.e., for fields which obey the condition $\\psi(0;\\vec x)=e^{i\\theta}\\psi(\\beta... | ['1996-12-11'] |
12,075 | ['eng'] | ['Kennedy, A D'] | ['A Simple Proof of the BPH Theorem'] | ['Particle Physics - Theory'] | ['talk, St. Petersburg 1996/09/12', 'perturbation theory, higher-order', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612113'] | ['A new formalism is given for the renormalization of quantum field theories to all orders of perturbation theory, in which there are manifestly no overlapping divergences. We prove the BPH theorem in this formalism, and show how the local subtractions add up to counterterms in the action. Applications include the reno... | ['1996-12-11'] |
12,076 | ['eng'] | ['Lifschytz, G', 'Mathur, S D'] | ['Supersymmetry and Membrane Interactions in M(atrix) Theory'] | ['Particle Physics - Theory'] | ['field theory, M-theory', 'matrix model', 'supersymmetry', 'duality, transformation', 'potential', 'membrane model', 'scattering'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612087'] | ['We calculate the potential between various configurations of membranes and gravitons in M(atrix) theory. The computed potentials agree with the short distance potentials between corresponding 2-branes and 0-brane configurations in type IIA string theory, bound to a large number of 0-branes to account for the boost to... | ['1996-12-10'] |
12,077 | ['eng'] | ['Park, D K', 'Lee, S Y', 'Kahng, J R', 'Yoo, S K', 'Lee, C H', 'Park, C S', 'Yim, E S'] | ['Test of dilute gas approximation in quantum mechanical model'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'Schroedinger equation, solution', 'gas, instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612088'] | ['The validity of dilute gas approximation is explored by making use of the large-sized instanton in quantum mechanical model. It is shown that the Euclidean probability amplitude derived through a dilute gas approximation not only cannot explain the result of the linear combination of atomic orbitals approximation, bu... | ['1996-12-10'] |
12,078 | ['eng'] | ['Ivashchuk, V D', 'Melnikov, V N'] | ['Intersecting p-brane Solutions in Multidimensional Gravity and M-theory'] | ['Particle Physics - Theory'] | ['gravitation', 'any-dimensional', 'membrane model, p-brane', 'field theory, M-theory', 'sigma model, nonlinear', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612089'] | ['Multidimensional gravitational model on the manifold $M = M_0 \\times considered. The action contains $m = 2^n -1$ dilatonic scalar fields factors of the metric depend (essentially) on the point of $M_0$ and any $A^I$ is "proportional" to the volume form of submanifold $M_{i_1} \\times ... representation is obtained.... | ['1996-12-10'] |
12,079 | ['eng'] | ['Guadagnini, E', 'Pilo, L'] | ['Three-manifold invariants and their relation with the fundamental group'] | ['Particle Physics - Theory'] | ['space-time', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'topology', 'Wilson loop', 'knot theory', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612090'] | ['We consider the 3-manifold invariant I(M) which is defined by means of the Chern-Simons quantum field theory and which coincides with the Reshetikhin-Turaev invariant. We present some arguments and numerical results supporting the conjecture that, for nonvanishing I(M), the absolute value | I(M) | only depends on the... | ['1996-12-10'] |
12,080 | ['eng'] | ['Dütsch, M', 'Scharf, G'] | ['Electroweak theory without spontaneous symmetry breaking'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'invariance, gauge', 'gauge field theory', 'field theory, scalar', 'ghost', 'fermion, matter', 'mass ratio, (Z0 W)', 'symmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612091'] | ['The concept of perturbative gauge invariance formulated exclusively by means of asymptotic fields is generalized to massive gauge fields. Applying it to the electroweak theory leads to an essentially complete fixing of couplings of scalar and ghost fields and of the coupling to fermionic matter, in agreement with the... | ['1996-12-10'] |
12,081 | ['eng'] | ['Melic, B', 'Meljanac, S'] | ['Permutation Invariant Statistics, Duality and Simple Interpolations'] | ['Particle Physics - Theory'] | ['statistics', 'invariance, permutation', 'quantization, 2', 'duality', 'boson, parastatistics', 'fermion, parastatistics', 'Fock space', 'anyon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612092'] | ['General permutation invariant statistics in the second quantized approach are considered. Simple interpolations between dual statistics are constructed. Particularly, we present a new minimal interpolation between parabosons and parafermions of any order. The connection with a simple mixing between bosons and fermion... | ['1996-12-10'] |
12,082 | ['eng'] | ['Fuchs, J', 'Schellekens, A N', 'Schweigert, C'] | ['Fixed point resolution in conformal field theory'] | ['Particle Physics - Theory'] | ['talk, Goslar 1996/07/15', 'field theory, conformal', 'dimension, 2', 'coset space', 'partition function', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612093'] | ['We summarize recent progress in the understanding of fixed point resolution for conformal field theories. Fixed points in both coset conformal field theories and non-diagonal modular invariants which describe simple current extensions of chiral algebras are investigated. A crucial role is played by the mathematical s... | ['1996-12-10'] |
12,083 | ['eng'] | ['Kharchev, S', 'Mironov, A E', 'Zhedanov, A S'] | ['Different Aspects of Relativistic Toda Chain'] | ['Particle Physics - Theory'] | ['lattice, Toda', 'dimension, 2', 'molecule, hierarchy', 'relativistic', 'matrix model', 'unitarity', 'representation, Lax', 'hierarchy, discrete'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612094'] | ['We demonstrate that the generalization of the relativistic Toda chain (RTC) is a special reduction of two-dimensional Toda Lattice hierarchy (2DTL). We also show that the RTC is gauge equivalent to the discrete AKNS hierarchy and the unitary matrix model. Relativistic Toda molecule hierarchy is also considered, along... | ['1996-12-10'] |
12,084 | ['eng'] | ['Bergshoeff, E A', 'De Roo, M', 'Eyras, E', 'Janssen, B', 'Van der Schaar, J P'] | ['Multiple intersections of D-branes and M-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'dimension, 10', 'dimension, 11', 'field theory, soliton', 'dimensional reduction', 'model, composite', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612095'] | ['We give a classification of all multiple intersections of D-branes in ten dimensions and M-branes in eleven dimensions that correspond to threshold BPS bound states. The residual supersymmetry of these branes is determined. By dimensional reduction composite p-branes in lower dimensions can be constructed. We emphasi... | ['1996-12-10'] |
12,085 | ['eng'] | ['Park, J S'] | ['Monads and D-instantons'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, instanton', 'membrane model, p-brane', 'dimensional reduction', 'perturbation theory', 'geometry, algebra', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612096'] | ['Motivated by twisted N=4 supersymmetric Yang-Mills theory in 4 dimensions, a natural extension of the monad (ADHM) construction relevant to D-instantons is considered. We show that a family of Yang-Mills instantons can be constructed from D-instantons. We discuss some possible roles of reciprocity in D-brane physics.... | ['1996-12-10'] |
12,086 | ['eng'] | ['Oh, P', 'Park, Q H'] | ['Self-Dual Chern-Simons Solitons and Generalized Heisenberg Ferromagnet Models'] | ['Particle Physics - Theory'] | ['gauge field theory', 'Chern-Simons term', 'Heisenberg model', 'dimension, 3', 'soliton', 'duality', 'field theoretical model, CP(N)', 'vortex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612063'] | ["We consider the (2+1)-dimensional gauged Heisenberg ferromagnet model coupled with the Chern-Simons gauge fields. Self-dual Chern-Simons solitons, the static zero energy solution saturating Bogomol'nyi bounds, are shown to exist when the generalized spin variable is valued in the Hermitian symmetric spaces G/H. By ga... | ['1996-12-09'] |
12,087 | ['eng'] | ['Hirano, S', 'Kazama, Y'] | ['Scattering of Closed String States from a Quantized D-Particle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'string model', 'scattering amplitude, higher-order', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612064'] | ["By developing an appropriate path-integral formalism, we compute, in bosonic string theory, the disk amplitude for the scattering of closed string states from a D-particle, in which the collective coordinate of the D-particle is fully quantized. As a consequence, the recoil of the D-particle is naturally taken into a... | ['1996-12-09'] |
12,088 | ['eng'] | ['Ganor, O J'] | ['A Note On Zeroes Of Superpotentials In F-Theory'] | ['Particle Physics - Theory'] | ['field theory, F-theory', 'field theory, M-theory', 'potential', 'supersymmetry', 'membrane model, p-brane', 'p-brane, 3', 'differential forms', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612077'] | ['We discuss the dependence of superpotential terms in 4D F-theory on moduli parameters. Two cases are studied: the dependence on world-filling 3-brane positions and the dependence on 2-form VEVs. In the first case there is a zero when the 3-brane hits the divisor responsible for the superpotential. In the second case,... | ['1996-12-09'] |
12,089 | ['eng'] | ['Nicolai, Hermann C', 'Korotkin, D A', 'Samtleben, H'] | ['Integrable Classical and Quantum Gravity'] | ['Particle Physics - Theory'] | ['lectures, Cargese 1996/07/22', 'gravitation, classical', 'quantum gravity', 'integrability', 'field theory, deformation', 'quantization, constraint', 'Hamiltonian formalism', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612065'] | ['In these lectures we report recent work on the exact quantization of dimensionally reduced gravity, i.e. 2d non-linear (G/H)-coset space sigma-models coupled to gravity and a dilaton. Using methods developed in the context of flat space integrable systems, the Wheeler-DeWitt equations for these models can be reduced ... | ['1996-12-09'] |
12,090 | ['eng'] | ['Nikbakht-Tehrani, M'] | ['On the Calabi-Yau Phase of (0,2) Models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory', 'field theory, Calabi-Yau', 'supersymmetry', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612067'] | ['We study the Calabi-Yau phase of a certain class of (0,2) models. These are conjectured to be equivalent to exact (0,2) superconformal field theories which have been constructed recently. Using the methods of toric geometry we discuss in a few examples the problem of resolving the singularities of such models and cal... | ['1996-12-09'] |
12,091 | ['eng'] | ['Kobayashi, T', 'Nakano, H'] | ['"Anomalous" U(1) Symmetry in Orbifold String Models'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'symmetry, U(1)', 'anomaly', 'symmetry breaking', 'geometry, algebra', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612066'] | ["``Anomalous'' U(1) gauge symmetry with Green-Schwarz anomaly cancellation mechanism is discussed in the orbifold construction of four-dimensional heterotic string models. Some conditions are given as criteria to have ``anomalous'' U(1) in orbifold string models. In particular, ``anomalous'' U(1) is absent if the mass... | ['1996-12-09'] |
12,092 | ['eng'] | ['Navarro, M', 'Aldaya, V', 'Calixto, M'] | ['Group Quantization on Configuration Space'] | ['Particle Physics - Theory'] | ['group theory, geometrical', 'quantization, constraint', 'phase space', 'gauge field theory, U(1)', 'Chern-Simons term', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612068'] | ['A new, configuration-space picture of a formalism of group quantization, the GAQ formalism, is presented in the context of a previous, algebraic generalization. This presentation serves to make a comprehensive discussion in which other extensions of the formalism, particularly to incorporate gauge symmetries, are dev... | ['1996-12-09'] |
12,093 | ['eng'] | ['Shmakova, M'] | ['Calabi-Yau Black Holes'] | ['Particle Physics - Theory'] | ['space-time, Calabi-Yau', 'supersymmetry', 'black hole', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612076'] | ['We have found the entropy of N=2 extreme black holes associated with general Calabi-Yau moduli space. We show that for arbitrary d_{ABC} and black hole charges the entropy-area formula depends on combinations of these charges and parameters d_{ABC}. These combinations are the solutions of the simple system of algebra... | ['1996-12-09'] |
12,094 | ['eng'] | ['Ambjørn, Jan', 'Carfora, M', 'Marzuoli, A'] | ['The geometry of dynamical triangulations'] | ['Particle Physics - Theory'] | ['lectures', 'quantum gravity, simplex', 'geometry, triangulation', 'Riemann surfaces', 'moduli space', 'critical phenomena', 'topology', 'entropy', 'model, polymer', 'numerical calculations, Monte Carlo', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612069'] | ['We discuss the geometry of dynamical triangulations associated with 3-dimensional and 4-dimensional simplicial quantum gravity. We provide analytical expressions for the canonical partition function in both cases, and study its large volume behavior. In the space of the coupling constants of the theory, we characteri... | ['1996-12-09'] |
12,095 | ['eng'] | ['Barbarin, F', 'Ragoucy, E', 'Sorba, Paul'] | ['Remarks on Finite W Algebras'] | ['Particle Physics - Theory'] | ['talk, Prague 1996/06/22', 'talk, Tianjin 1996/08/19', 'talk, Tbilisi 1996/09/22', 'algebra, W(N)', 'algebra, representation', 'algebra, finite', 'algebra, Lie', 'algebra, Poincare', 'anyon', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612070'] | ["The property of some finite W algebras to be the commutant of a particular subalgebra of a simple Lie algebra G is used to construct realizations of G. When G=so(4,2), unitary representations of the conformal and Poincare algebras are recognized in this approach which can be compared to the usual induced representati... | ['1996-12-09'] |
12,096 | ['eng'] | ['Ragoucy, E'] | ['W-strings from N=2 Hamiltonian reduction and classification of N=2 super W-algebras'] | ['Particle Physics - Theory'] | ['talk, Tianjin 1996/08/19', 'Wess-Zumino-Witten model', 'string model', 'supersymmetry', 'algebra, W(N)', 'algebra, representation', 'Hamiltonian formalism', 'invariance, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612071'] | ["We present an algebraic approach to string theory, using a Hamiltonian reduction of N=2 WZW models. An embedding of sl(1|2) in a Lie superalgebra determines a niltopent subalgebra. Chirally gauging this subalgebra in the corresponding WZW action leads to an extension of the N=2 superconformal algebra. We classify all... | ['1996-12-09'] |
12,097 | ['eng'] | ['Rembielinski, J', 'Caban, P'] | ['The Preferred Frame and Poincaré Symmetry'] | ['Particle Physics - Theory'] | ['talk, Goslar 1996/07/15', 'particle, relativistic', 'quantization', 'Hamiltonian formalism', 'invariance, Poincare'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612072'] | ['In this paper we describe a covariant canonical formalism for a free time-like (massive) as well as space-like (tachyonic) particle in the framework of nonstandard synchronization scheme. In this scheme one is able to introduce absolute causality without breaking the Poincaré invariance.'] | ['1996-12-09'] |
12,098 | ['eng'] | ['Pinsky, S S'] | ['1+1 Dimensional Yang-Mills Theory Coupled to Adjoint Fermions on the Light Front'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, Yang-Mills', 'dimension, 2', 'fermion, condensation', 'quantization, light front', 'Hamiltonian formalism', 'current algebra', 'vacuum state', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612073'] | ['We consider SU(2) Yang-Mills theory in 1+1 dimensions coupled to massless adjoint fermions. With all fields in the adjoint representation the gauge group is actually SU(2)/Z_2, which possesses nontrivial topology. In particular, there are two distinct topological sectors and the physical vacuum state has a structure ... | ['1996-12-09'] |
12,099 | ['eng'] | ['Carvalho, M', 'De Oliveira, M W'] | ['Gauging N=2 Supersymmetric Non-Linear $\\sigma$-Models in the Atiyah-Ward Space-Time'] | ['Particle Physics - Theory'] | ['space-time', 'sigma model, nonlinear', 'supersymmetry, superspace', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9612074'] | ['We build up a class of N=2 supersymmetric non-linear $\\sigma$-models in an N=1 superspace based on the Atiyah-Ward space-time of (2+2)-signature metric. We also discuss the gauging of isometries of the associated hyper-Kählerian target spaces and present the resulting gauge-covariant supersymmetric action functional... | ['1996-12-09'] |
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