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 |
|---|---|---|---|---|---|---|---|---|
4,700 | ['eng'] | ['Visinescu, M'] | ['Generalized Taub-NUT metrics and Killing-Yano tensors'] | ['Particle Physics - Theory'] | ['space-time, Taub-NUT', 'tensor, Killing', 'tensor, Killing-Yano', 'particle, spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911126'] | ['A necessary condition that a Stäckel-Killing tensor of valence 2 be the contracted product of a Killing-Yano tensors of valence 2 with itself is re-derived for a Riemannian manifold. This condition is applied to the generalized Euclidean Taub-NUT metrics which admit a Kepler type symmetry. It is shown that in general... | ['1999-11-18'] |
4,701 | ['eng'] | ['Maharana, J P'] | ['Recent Developments in String Theory'] | ['Particle Physics - Theory'] | ['review', 'string model', 'supersymmetry', 'M-theory', 'matrix model', 'black hole', 'perturbation theory, higher-order', 'Hamiltonian formalism', 'duality', 'astrophysics', 'effective action', 'supergravity', 'gauge field theory, Yang-Mills', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911200'] | ['The purpose of this short review is to present progresses in string theory in the recent past. There have been very important developments in our understanding of string dynamics, especially in the nonperturbative aspects. In this context, dualities play a cardinal role. The string theory provides a deeper understand... | ['1999-11-26'] |
4,702 | ['eng'] | ['Cornwall, J M'] | ['Center Vortices, Nexuses and Fractional Topological Charge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'expansion 1/N', 'vortex', 'charge, topological', 'charge, fractional', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911125'] | ["It has been remarked in several previous works that the combination of center vortices and nexuses (a nexus is a monopole-like soliton whose world line mediates certain allowed changes of field strengths on vortex surfaces) carry topological charge quantized in units of 1/N for gauge group SU(N). These fractional cha... | ['1999-11-17'] |
4,703 | ['eng'] | ['Landsteiner, K', 'López, E'] | ['The Thermodynamic Potentials of Kerr-AdS Black Holes and their CFT Duals'] | ['Particle Physics - Theory'] | ['black hole, Kerr', 'space-time, anti-de Sitter', 'field theory, conformal', 'duality', 'potential, thermodynamical', 'supergravity', 'M-theory', 'singleton', 'dimension, 2-5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911124'] | ['String or M-theory in the background of Kerr-AdS black holes is thought to be dual to the large n limit of certain conformal field theories on a rotating sphere at finite temperature. The five dimensional black hole is associated to N=4 supersymmetric Yang-Mills theory on a rotating three-sphere and the four dimensio... | ['1999-11-17'] |
4,704 | ['eng'] | ['Kinar, Y', 'Schreiber, E', 'Sonnenschein, J', 'Weiss, N'] | ['Quantum fluctuations of Wilson loops from string models'] | ['Particle Physics - Theory'] | ['string model, action', 'string, boson', 'space-time, anti-de Sitter', 'Wilson loop', 'fermion, fluctuation', 'dependence, gauge', 'soliton, BPS', 'operator, determinant', 'gauge field theory, Yang-Mills', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911123'] | ['We discuss the impact of quadratic quantum fluctuations on the Wilson loop extracted from classical string theory. We show that a large class of models, which includes the near horizon limit of D_p branes with 16 supersymmetries, admits a Lüscher type correction to the classical potential. We confirm that the quantum... | ['1999-11-17'] |
4,705 | ['eng'] | ['Dmitrasinovic, V'] | ['Composite antisymmetric-tensor Nambu-Goldstone bosons in a four-fermion interaction model and the Higgs mechanism'] | ['Particle Physics - Theory'] | ['four-fermion interaction', 'Goldstone particle', 'coupling, tensor', 'coupling, scalar', 'Jona-Lasinio-Nambu model', 'symmetry, dynamically broken', 'Bethe-Salpeter equation', 'polarization, tensor', 'tensor meson, propagator', 'effect, Higgs', 'gauge boson, nonabelian', 'gauge boson, mass generation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911121'] | ["Starting from the Fierz transform of the two-flavour 't Hooft interaction (a four-fermion Lagrangian with antisymmetric Lorentz tensor interaction terms augmented by an NJL type Lorentz scalar inetraction responsible for dynamical symmetry breaking and quark mass generation), we show that: (1) antisymmetric tensor Na... | ['1999-11-17'] |
4,706 | ['eng'] | ['Gavrilik, A M'] | ['Coset-Space String Compactification Leading To 14 Subcritical Dimensions'] | ['Particle Physics - Theory'] | ['talk, Nyiregyhaza 1999/07/07', 'string model', 'coset space, torsion', 'sigma model', 'spontaneous compactification', 'fermion, chiral', 'dimension, 26', 'beta function', 'dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911120'] | ['Using sigma-model approach, we study a class of coset spaces with torsion which compactify the D=26 closed bose-string theory. Requiring also that massless chiral fermions arise from the geometry/topology of coset space, we are left with the unique possibility: it implies D=14 subcritical dimensions and certain isome... | ['1999-11-17'] |
4,707 | ['eng'] | ['Christiansen, H R', 'Grandi, N E', 'Schaposnik, F A', 'Silva, G'] | ['Non-BPS Dyons and Branes in the Dirac-Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'dyon', 'Born-Infeld model', 'soliton, BPS', 'perturbation theory', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911119'] | ['Non-BPS dyon solutions to D3-brane actions are constructed when one or more scalar fields describing transverse fluctuations of the brane, are considered. The picture emerging from such non-BPS configurations is analysed, in particular the response of the D-brane-string system to small perturbations.'] | ['1999-11-17'] |
4,708 | ['eng'] | ['Grillo, N'] | ['Quantization of the Graviton Field, Characterization of the Physical Subspace and Unitarity in Causal Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'Hamiltonian formalism', 'S-matrix', 'perturbation theory', 'phase space, Fock space', 'invariance, gauge', 'ghost', 'invariance, Poincare', 'unitarity', 'graviton, quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911118'] | ['In this paper we lay the foundations of causal quantum gravity (CQG), i.e. of a quantum theory of self-interacting symmetric massless rank-2 tensor gauge fields, the gravitons, on flat space-time, in the framework of causal perturbation theory. The causal inductive construction of the S-matrix for quantum gravity lea... | ['1999-11-17'] |
4,709 | ['eng'] | ['Park, C', 'Sin, S J', 'Lee, S'] | ['The cosmology with the Dp-brane gas'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'membrane model, D-brane', 'membrane model, p-brane', 'membrane model, gas', 'Brans-Dicke model', 'model, fluid', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911117'] | ['We study the effect of the Dp-brane gas in string cosmology. When one kind of Dp-brane gas dominates, we find that the cosmology is equivalent to that of the Brans-Dicke theory with the perfect fluid type matter. We obtain $\\gamma$, the equation of state parameter, in terms of p and the space-time dimension.'] | ['1999-11-17'] |
4,710 | ['eng'] | ['Sen, A'] | ['Universality of the Tachyon Potential'] | ['Particle Physics - Theory'] | ['string model, boson', 'tachyon, potential', 'potential, universality', 'gauge field theory, U(1)', 'membrane model, D-brane', 'operator, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911116'] | ['Using string field theory, we argue that the tachyon potential on a D-brane anti-D-brane system in type II string theory in arbitrary background has a universal form, independent of the boundary conformal field theory describing the brane. This implies that if at the minimum of the tachyon potential the total energy ... | ['1999-11-17'] |
4,711 | ['eng'] | ['Edelstein, J D', 'Gómez-Reino, M', 'Marino, M', 'Mas, J'] | ['N=2 supersymmetric gauge theories with massive hypermultiplets and the Whitham hierarchy'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'differential forms', 'analytic properties', 'geometry, algebra', 'duality, transformation', 'particle, multiplet', 'hierarchy, Whitham', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911115'] | ['We embed the Seiberg-Witten solution for the low energy dynamics of N=2 super Yang-Mills theory with an even number of massive hypermultiplets into the Whitham hierarchy. Expressions for the first and second derivatives of the prepotential in terms of the Riemann theta function are provided which extend previous resu... | ['1999-11-17'] |
4,712 | ['eng'] | ['He, Y H'] | ['Some Remarks on the Finitude of Quiver Theories'] | ['Particle Physics - Theory'] | ['renormalization group', 'membrane model, D-brane', 'orbifold', 'operator, algebra', 'loop space', 'algebra, representation', 'geometry', 'quiver', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911114'] | ['D-brane probes, Hanany-Witten setups and geometrical engineering stand as a trichotomy of the currently fashionable techniques of constructing gauge theories from string theory. Meanwhile, asymptotic freedom, finitude and IR freedom pose as a trichotomy of the beta-function behaviour in quantum field theories. Parall... | ['1999-11-17'] |
4,713 | ['eng'] | ['Hanany, A', 'Zaffaroni, A'] | ['Monopoles in String Theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'space-time', 'magnetic monopole', 'moduli space', 'membrane model', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911113'] | ["A realization of E_{n+1} monopoles in string theory is given. The NS five brane stuck to an Orientifold eight plane is identified as the 't Hooft Polyakov monopole. Correspondingly, the moduli space of many such NS branes is identified with the moduli space of SU(2) monopoles. These monopoles transform in the spinor ... | ['1999-11-16'] |
4,714 | ['eng'] | ['Davies, N M', 'Khoze, V V'] | ['On Affleck-Dine-Seiberg Superpotential and Magnetic Monopoles in Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry, potential', 'magnetic monopole', 'approximation, quasiclassical', 'gaugino, condensation', 'photon, mass', 'confinement', 'effective Lagrangian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911112'] | ['Certain exact results in supersymmetric gauge theories are generated by non-perturbative effects different from instantons. In supersymmetric QCD with N colours and Nf fundamental flavours we examine the Affleck-Dine-Seiberg (ADS) superpotential using controlled semi-classical analysis. We show how for Nf < N-1 the A... | ['1999-11-16'] |
4,715 | ['eng'] | ['Gaite, J'] | ['Relative entropy for compact Riemann surfaces'] | ['Particle Physics - Theory'] | ['field theory, boson', 'field theory, sphere', 'field theory, torus', 'Riemann surfaces', 'partial wave analysis', 'entropy', 'heat kernel', 'asymptotic expansion', 'anomaly, conformal', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911111'] | ['The relative entropy of the massive free bosonic field theory is studied on various compact Riemann surfaces as a universal quantity with physical significance, in particular, for gravitational phenomena. The exact expression for the sphere is obtained, as well as its asymptotic series for large mass and its Taylor s... | ['1999-11-16'] |
4,716 | ['eng'] | ['Ponsot, B', 'Teschner, J'] | ['Liouville bootstrap via harmonic analysis on a noncompact quantum group'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'bootstrap', 'quantum gravity, representation', 'analysis, harmonic', 'Clebsch-Gordan coefficients', 'invariance, conformal', 'operator, vertex', 'transformation, fusion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911110'] | ['The purpose of this short note is to announce results that amount to a verification of the bootstrap for Liouville theory in the generic case under certain assumptions concerning existence and properties of fusion transformations. Under these assumptions one may characterize the fusion and braiding coefficients as so... | ['1999-11-16'] |
4,717 | ['eng'] | ['Sardanashvily, G'] | ['SUSY-Extended Field Theory'] | ['Particle Physics - Theory'] | ['supersymmetry', 'Hamiltonian formalism', 'Lagrangian formalism', 'differential forms, symplectic', 'symmetry, ISp(2)', 'fibre bundle', 'invariance, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911108'] | ['A field model on fibre bundles can be extended in a standard way to the BRS-invariant SUSY field model which possesses the Lie supergroup ISp(2) of symmetries.'] | ['1999-11-16'] |
4,718 | ['eng'] | ['Lahiri, A'] | ['Renormalizability of the Dynamical Two-Form'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'differential forms, 2', 'invariance, Becchi-Rouet-Stora', 'effective action', 'path integral', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911107'] | ['A proof of renormalizability of the theory of the dynamical non-abelian two-form is given using the Zinn-Justin equation. Two previously unknown symmetries of the quantum action, different from the BRST symmetry, are needed for the proof. One of these is a gauge fermion dependent nilpotent symmetry, while the other m... | ['1999-11-16'] |
4,719 | ['eng'] | ['Deo, B B'] | ['Construction of a Novel Superstring in Four Dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'fermion, Majorana', 'algebra, Virasoro', 'invariance, modular', 'gauge field theory, SU(3) x SU(2) x U(1) x U(1)', 'ghost', 'charge, Becchi-Rouet-Stora', 'mass spectrum', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911106'] | ['A string in four dimensions is constructed by supplementing it with forty four Majorana fermions. The central charge is 26. The fermions are grouped in such a way that the resulting action is supersymmetric. The super-Virasoro algebra is constructed and closed by the use of Jacobi identity. The tachyonic ground state... | ['1999-11-16'] |
4,720 | ['eng'] | ['Bassi, Z', 'LeClair, A'] | ['The Exact S-Matrix for an osp(2|2) Disordered System'] | ['Particle Physics - Theory'] | ['dimension, 2', 'fermion', 'potential, scalar', 'quantum group, OSp(2|2)', 'current, perturbation theory', 'supersymmetry, algebra', 'S-matrix', 'analytic properties', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911105'] | ['We study a two-dimensional disordered system consisting of Dirac fermions coupled to a scalar potential. This model is closely related to a more general disordered system that has been introduced in conjunction with the integer quantum Hall transition. After disorder averaging, the interaction can be written as a mar... | ['1999-11-16'] |
4,721 | ['eng'] | ['Nam, S'] | ['Modeling a network of brane worlds'] | ['Particle Physics - Theory'] | ['supergravity', 'domain wall', 'supersymmetry, superfield', 'supersymmetry, symmetry breaking', 'membrane model, interaction', 'soliton, BPS'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911104'] | ['We study junctions of supersymmetric domain walls in N=1 supergravity theories in four dimensions, coupled to a chiral superfield with quartic superpotential having $Z_3$ symmetry. After deriving a BPS equation of the domain wall junction, we consider a stable hexagonal configuration of network of brane junctions, wh... | ['1999-11-16'] |
4,722 | ['eng'] | ['Lunardi, J T', 'Manzoni, L A', 'Pimentel, B M'] | ['Gauged Thirring Model in the Heisenberg Picture'] | ['Particle Physics - Theory'] | ['Thirring model', 'gauge field theory, U(1)', 'dimension, 3', 'perturbation theory, higher-order', 'vacuum polarization', 'propagator', 'gauge boson, mass generation', 'radiative correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911103'] | ['We consider the (2+1)-dimensional gauged Thirring model in the Heisenberg picture. In this context we evaluate the vacuum polarization tensor as well as the corrected gauge boson propagator and address the issues of generation of mass and dynamics for the gauge boson (in the limits of QED$_3$ and Thirring model as a ... | ['1999-11-16'] |
4,723 | ['eng'] | ['Ng, Y J', 'Van Dam, H'] | ['A small but nonzero cosmological constant'] | ['Particle Physics - Theory'] | ['talk, Hamburg 1999/09/29', 'relativity theory, general', 'astrophysics, fundamental constant', 'field theory, action', 'gravitation, model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911102'] | ['Recent astrophysical observations seem to indicate that the cosmological constant is small but nonzero and positive. The old cosmological constant problem asks why it is so small; we must now ask, in addition, why it is nonzero, and why it is positive. In this essay, we try to kill these three metaphorical birds with... | ['1999-11-16'] |
4,724 | ['eng'] | ['Bañados, M', 'Chamblin, A', 'Gibbons, G W'] | ['Branes, AdS gravitons and Virasoro symmetry'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time, anti-de Sitter', 'graviton', 'symmetry, Virasoro', 'higher-dimensional', 'charge, Noether', 'central charge', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911101'] | ['We consider travelling waves propagating on the anti-de Sitter (AdS) background. It is pointed out that for any dimension d, this space of solutions has a Virasoro symmetry with a non-zero central charge. This result is a natural generalization to higher dimensions of the three-dimensional Brown-Henneaux symmetry.'] | ['1999-11-16'] |
4,725 | ['eng'] | ['Schrör, B'] | ['Facts and Fictions about Anti de Sitter Spacetimes with Local Quantum Matter'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'holography', 'axiomatic field theory', 'quantum gravity', 'field theory, chiral', 'higher-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911100'] | ["Viewing the AdS$_{d+1}$ spacetime in the context of the conformal- compactification and covering formalism, it is natural to interpret Rehren's algebraic holography between the bulk AdS quantum matter and that of CFT as a kind of ``pull-back'' of the global d-dimensional conformal (block) decomposition theory (which ... | ['1999-11-16'] |
4,726 | ['eng'] | ['Losev, A S', 'Nekrasov, N A', 'Shatashvili, S L'] | ['Freckled Instantons in Two and Four Dimensions'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'instanton', 'dimension, 2', 'dimension, 4', 'regularization', 'topology, defect', 'sigma model, nonlinear', 'gauge field theory, supersymmetry', 'Riemann surfaces', 'cohomology', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911099'] | ['Field theory with instantons can be partially regularized by adding degrees of freedom at some scale. These extra degrees of freedom lead to the appearence of the new topological defects. These defects which we call freckles have some characteristic size depending on the scale at which the extra degrees of freedom re... | ['1999-11-16'] |
4,727 | ['eng'] | ['Chepelev, I', 'Roiban, R'] | ['Renormalization of Quantum Field Theories on Noncommutative $R^{d}$; 1, Scalars'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'any-dimensional', 'differential geometry, noncommutative', 'Feynman graph, higher-order', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911098'] | ["We show that a massive scalar quantum field theory on noncommutative R^d is perturbatively renormalizable if and only if the corresponding quantum field theory on commutative R^d is renormalizable. A noncommutative Feynman graph is a ribbon graph and can be drawn on a genus g 2-surface with a boundary. We formulate a... | ['1999-11-16'] |
4,728 | ['eng'] | ['Konishi, K I', 'Takenaga, K'] | ['Confinement, Chiral Symmetry Breaking and Faddeev-Niemi Decomposition in QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'confinement', 'symmetry breaking, chiral', 'fermion, zero mode', 'approximation, quasiclassical', 'magnetic monopole', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911097'] | ['We identify two distinct, complementary gauge field configurations for QCD with SU(2) gauge group, one (instanton-like configurations) having to do with chiral symmetry breaking but not with confinement, the other (regularized Wu-Yang monopoles) very likely responsible for confinement but unrelated to chiral symmetry... | ['1999-11-15'] |
4,729 | ['eng'] | ['Klebanov, Igor R', 'Nekrasov, N A'] | ['Gravity Duals of Fractional Branes and Logarithmic RG Flow'] | ['Particle Physics - Theory'] | ['orbifold', 'conifold', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'membrane model, fractional', 'gravitation', 'duality', 'gauge field theory, SU(N) x SU(M)', 'supersymmetry', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911096'] | ['We study fractional branes in ${\\CN}=2$ orbifold and ${\\CN}=1$ conifold theories. Placing a large number $N$ of regular D3-branes at the singularity produces the dual ${\\bf AdS}_5\\times X^5$ geometry, and we describe the fractional branes as small perturbations to this background. For the orbifolds, $X^5={\\bf S}... | ['1999-11-15'] |
4,730 | ['eng'] | ['Akhmedov, E T'] | ['Introduction to the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['review', 'field theory, conformal', 'field theory, anti-de Sitter', 'string model, boson', 'partition function', 'n-point function', 'operator product expansion', 'supersymmetry', 'particle, multiplet', 'membrane model, D-brane', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911095'] | ['This text is an attempt to give a pedagogical introduction to the AdS/CFT correspondence. We try to present the main ideas and arguments underlying the subject, starting with a brief sketch of old string theory statements and proceeding with the definition of D-branes and a description of their main features. We end ... | ['1999-11-15'] |
4,731 | ['eng'] | ['Dorey, N', 'Tong, D'] | ['Mirror Symmetry and Toric Geometry in Three-Dimensional Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'supersymmetry', 'dimension, 3', 'symmetry, mirror', 'field theory, torus', 'Chern-Simons term', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911094'] | ['We study three dimensional gauge theories with N=2 supersymmetry. We show that the Coulomb branches of such theories may be rendered compact by the dynamical generation of Chern-Simons terms and present a new class of mirror symmetric theories in which both Coulomb and Higgs branches have a natural description in ter... | ['1999-11-15'] |
4,732 | ['eng'] | ['Chernitskii, A A'] | ['Dyons and Interactions in Nonlinear (Born-Infeld) Electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, nonlinear', 'Born-Infeld model', 'dyon, interaction', 'conservation law', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911093'] | ["Born-Infeld nonlinear electrodynamics with point singularities having both electric and magnetic charges are considered. Problem of interaction between the associated soliton dyon solutions is investigated. For the case of long-range interaction at first order by a small field of distant solitons we obtain that the g... | ['1999-11-15'] |
4,733 | ['eng'] | ['Grigoriev, M A', 'Damgaard, P H'] | ['Superfield BRST Charge and the Master Action'] | ['Particle Physics - Theory'] | ['superfield', 'phase space', 'charge, Becchi-Rouet-Stora', 'master equation', 'antifield', 'quantization, constraint', 'path integral', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911092'] | ['Using a superfield formulation of extended phase space, we propose a new form of the Hamiltonian action functional. A remarkable feature of this construction is that it directly leads to the BV master action on phase space. Conversely, superspace can be used to construct nilpotent BRST charges directly from solutions... | ['1999-11-15'] |
4,734 | ['eng'] | ['Navarro, D J', 'Navarro-Salas, J', 'Navarro, P'] | ['Holography, degenerate horizons and entropy'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'dimension, 2', 'black hole', 'entropy, Hawking', 'any-dimensional', 'holography', 'horizon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911091'] | ["We show that a realization of the correspondence AdS_2/CFT_1 for near extremal Reissner-Nordstrom black holes in arbitrary dimensional Einstein-Maxwell gravity exactly reproduces, via Cardy's formula, the deviation of the Bekenstein-Hawking entropy from extremality. We also show that this mechanism is valid for Schwa... | ['1999-11-15'] |
4,735 | ['eng'] | ['Kumar, A'] | ['Charged Macroscopic type II Strings and their Networks'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'spontaneous compactification, torus', 'duality', 'field equations, solution', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911090'] | ['We write down charged macroscopic string solutions in type II string theories, compactified on torii, and present an explicit solution of the spinor Killing equations to show that they preserve 1/2 of the type II supersymmetries. The S-duality symmetry of the type IIB string theory in ten-dimensions is used to write ... | ['1999-11-15'] |
4,736 | ['eng'] | ['Smailagic, A', 'Spallucci, E'] | ['Duality of massive gauge invariant theories in arbitrary space-time dimension'] | ['Particle Physics - Theory'] | ['gauge field theory, massive', 'any-dimensional', 'duality', 'field theory, BF', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911089'] | ['We show that dualization of Stueckelberg-like massive gauge theories and $B\\wedge F$ models, follows form a general p-dualization of interacting theories in d spacetime dimensions. This is achieved by a particular choice of the external current.'] | ['1999-11-15'] |
4,737 | ['eng'] | ['Erickson, J K', 'Semenoff, Gordon W', 'Szabo, R J', 'Zarembo, K'] | ['Static Potential in N = 4 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'potential, static', 'infrared problem', 'Wilson loop', 'space-time, anti-de Sitter', 'field theory, conformal', 'ladder approximation', 'potential, Coulomb', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911088'] | ['We compute the leading order perturbative correction to the static potential in ${\\cal N}=4$ supersymmetric Yang-Mills theory. We show that the perturbative expansion contains infrared logarithms which, when resummed, become logarithms of the coupling constant. The resulting correction goes in the right direction to... | ['1999-11-15'] |
4,738 | ['eng'] | ['Balachandran, A P', 'Govindarajan, T R', 'Ydri, B'] | ['The Fermion Doubling Problem and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['fermion, lattice field theory', 'fermion, doubling', 'geometry, noncommutative', 'sphere, fuzzy', 'operator, Dirac', 'fermion, chiral', 'magnetic monopole', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911087'] | ['We propose a resolution for the fermion doubling problem in discrete field theories based on the fuzzy sphere and its Cartesian products.'] | ['1999-11-15'] |
4,739 | ['eng'] | ['Billyard, A P', 'Coley, A A', 'Lidsey, J E'] | ['Qualitative Analysis of Isotropic Curvature String Cosmologies'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective action', 'relativity theory, general', 'dilaton', 'field theory, tensor', 'astrophysics, fundamental constant', 'field equations, solution', 'astrophysics, string', 'asymptotic behavior', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911086'] | ['A complete qualitative study of the dynamics of string cosmologies is presented for the class of isotopic curvature universes. These models are of Bianchi types I, V and IX and reduce to the general class of Friedmann-Robertson-Walker universes in the limit of vanishing shear isotropy. A non-trivial two-form potentia... | ['1999-11-15'] |
4,740 | ['eng'] | ['Kim, W T', 'Oh, J J'] | ['Noncommutative open strings from Dirac quantization'] | ['Particle Physics - Theory'] | ['string model, open', 'quantization, 1', 'Hamiltonian formalism', 'constraint', 'membrane model, D-brane', 'field theory, tensor', 'commutation relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911085'] | ['We study Dirac commutators of canonical variables on D-branes with a constant Neveu-Schwarz 2-form field by using the Dirac constraint quantization method, and point out some problems appearing in some previous works in analyzing constraint structure of the brane system. Overcoming some ad hoc procedures, we obtain d... | ['1999-11-15'] |
4,741 | ['eng'] | ['Krogh, M'] | ['S-duality and Tensionless 5-branes in Compactified Heterotic String Theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 10', 'spontaneous compactification, T(6)', 'membrane model, p-brane', 'p-brane, 5', 'duality', 'Kaluza-Klein model, monopole', 'tension'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911084'] | ['We give a simple proof of the known S-duality of Heterotic String theory compactified on a T^6. Using this S-duality we calculate the tensions for a class of BPS 5-branes in Heterotic String theory on a circle. One of these, the Kaluza-Klein monopole, becomes tensionless when the radius of the circle is equal to the ... | ['1999-11-15'] |
4,742 | ['eng'] | ['Carroll, S M', 'Hellerman, S', 'Trodden, M'] | ['BPS Domain Wall Junctions in Infinitely Large Extra Dimensions'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'any-dimensional', 'soliton, BPS', 'domain wall', 'fluctuation, zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911083'] | ['We consider models of scalar fields coupled to gravity which are higher-dimensional generalizations of four dimensional supergravity. We use these models to describe domain wall junctions in an anti-de Sitter background. We derive Bogomolnyi equations for the scalar fields from which the walls are constructed and for... | ['1999-11-12'] |
4,743 | ['eng'] | ['Hull, C M', 'Khuri, R R'] | ['Worldvolume Theories, Holography, Duality and Time'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'dimension, 11', 'M-theory', 'spontaneous compactification', 'duality, transformation', 'holography', 'effective action', 'supergravity', 'field equations, solution', 'membrane model', 'time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911082'] | ['Duality transformations involving compactifications on timelike as well as spacelike circles link M-theory, the 10+1-dimensional strong coupling limit of IIA string theory, to other 11-dimensional theories in signatures 9+2 and 6+5 and to type II string theories in all 10-dimensional signatures. These theories have B... | ['1999-11-12'] |
4,744 | ['eng'] | ['Angelantonj, Carlo', 'Antoniadis, Ignatios', "D'Appollonio, G", 'Dudas, E A', 'Sagnotti, A'] | ['Type I vacua with brane supersymmetry breaking'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'vacuum state', 'membrane model', 'scattering amplitude', 'spontaneous compactification, orbifold', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911081'] | ['We show how chiral type I models whose tadpole conditions have no supersymmetric solution can be consistently defined introducing antibranes with non-supersymmetric world volumes. At tree level, the resulting stable non-BPS configurations correspond to tachyon-free spectra, where supersymmetry is broken at the string... | ['1999-11-12'] |
4,745 | ['eng'] | ['Hull, C M'] | ['Duality and Strings, Space and Time'] | ['Particle Physics - Theory'] | ['talk, Beirut 1999/01/11', 'duality', 'string model', 'M-theory', 'space, dimension', 'membrane model', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911080'] | ['Duality symmetries in M--theory and string theory are reviewed, with particular emphasis on the way in which string winding modes and brane wrapping modes can lead to new spatial dimensions. Brane world-volumes wrapping around Lorentzian tori can give rise to extra time dimensions and in this way dualities can change... | ['1999-11-12'] |
4,746 | ['eng'] | ['Ichinose, S'] | ['Renormalization using Domain Wall Regularization'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion, chiral', 'dimension, 2', 'dimension, 4', 'anomaly, Weyl', 'effective action', 'perturbation theory, higher-order', 'regularization, heat kernel', 'regularization, domain wall', 'renormalization', 'background field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911079'] | ["We formulate the renormalization procedure using the domain wall regularization which is based on the heat-kernel method. The Weyl anomalies for the 2D QED and 4D QED are correctly reproduced. It is found that the ``chiral solution'' produces (1/2)$^{d/2}$ $\\times$ correct vales, where $d$ is the space dimension. Th... | ['1999-11-12'] |
4,747 | ['eng'] | ['Sierra, G'] | ['Conformal Field Theory and the Exact Solution of the BCS Hamiltonian'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'model, superconducting', 'Wess-Zumino-Witten model, SU(2)', 'wave function', 'saddle-point approximation', 'Hall effect, fractional', 'integrability', 'gas, Coulomb', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911078'] | ["We propose a connection between conformal field theory (CFT) and the exact solution and integrability of the reduced BCS model of superconductivity. The relevant CFT is given by the $SU(2)_k$-WZW model in the singular limit when the level k goes to -2. This theory has to be perturbed by an operator proportional to th... | ['1999-11-12'] |
4,748 | ['eng'] | ['Zaslavskii, O B'] | ['Two-dimensional dilaton gravity and spacetimes with finite curvature at the horizon away from the Hawking temperature'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 2', 'space-time', 'horizon', 'finite temperature', 'tensor, energy-momentum', 'field theory, scalar', 'radiation, Hawking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911077'] | ["It is shown that static solutions with a finite curvature at the horizon may exist in dilaton gravity at temperatures $T\\neq T_{H}$ (including T=0) where $T_{H} $is the Hawking one. Hawking radiation is absent and the state of a system represents thermal excitation over the Boulware vacuum. The horizon remains unatt... | ['1999-11-12'] |
4,749 | ['eng'] | ['Sochichiu, C'] | ['Compactified Quantum Fields'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'field theory, scalar', 'higher-dimensional', 'renormalization', 'zeta function', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911075'] | ['A consistent definition of high dimensional compactified quantum field theory without breaking the Kaluza--Klein tower is proposed. Possible consequences are discussed for the scalar model.'] | ['1999-11-12'] |
4,750 | ['eng'] | ['Dass, N D H', 'Soni, V'] | ['Asymptotically Free Non-Abelian Gauge Theories With Fermions and Scalars As Alternatives to QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'fermion', 'field theory, scalar', 'asymptotic freedom', 'renormalization group, transformation', 'perturbation theory, higher-order', 'neutral current, flavor changing', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911074'] | ['In this paper we construct non-Abelian gauge theories with fermions and scalars that nevertheless possess asymptotic freedom.The scalars are taken to be in a chiral multiplet transforming as $(2,2)$ under $SU(2)_L\\otimes SU(2)_R$ and transforming as singlets under the colour SU(3) group. We consider two distinct sce... | ['1999-11-12'] |
4,751 | ['eng'] | ['Bena, I'] | ['The propagator for a general form field in $AdS_{d+1}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'propagator', 'differential forms', 'duality, Poincare', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911073'] | ['Using the known propagator equations for 0,1 and 2 forms in AdS_{d+1}, we find the p-form field propagator equations in dimensions where the forms are Poincare dual. Since the general equation obeyed by the propagators is linear in dimension, this gives us the equation obeyed by the propagators for any d. Furthermore... | ['1999-11-11'] |
4,752 | ['eng'] | ['Jackiw, R W', 'Pi, S Y'] | ['Creation and evolution of magnetic helicity'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'helicity, magnetic', 'gauge field theory, abelian', 'gauge field theory, SU(2) x U(1)', 'Chern-Simons number', 'Maxwell equation', 'helicity, time dependence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911072'] | ['Projecting a non-Abelian SU(2) vacuum gauge field - a pure gauge constructed from the group element U - onto a fixed (electromagnetic) direction in isospace gives rise to a nontrivial magnetic field, with nonvanishing magnetic helicity, which coincides with the winding number of U. Although the helicity is not conser... | ['1999-11-11'] |
4,753 | ['eng'] | ['Jackiw, R W'] | ['What good are quantum field theory infinities?'] | ['Particle Physics - Theory'] | ['talk, London 2000/07/17', 'anomaly', 'fermion, flavor', 'gauge field theory', 'Schroedinger equation', 'renormalization', 'symmetry, spontaneously broken', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911071'] | ['A lesson for the new millennium from quantum field theory: Not all field-theoretic infinities are bad. Some give rise to finite, symmetry-breaking effects, whose consequences are observed in Nature.'] | ['1999-11-11'] |
4,754 | ['eng'] | ['Bose, S', 'Dadhich, N K', 'Kar, S'] | ['New classes of black hole spacetimes in 2+1 gravity'] | ['Particle Physics - Theory'] | ['Einstein equation', 'dimension, 3', 'black hole, entropy', 'causality', 'matter', 'thermodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911069'] | ['The electrogravity transformation is applied to the three-dimensional Einstein field equations to obtain new multi-parameter families of black hole solutions. The Bañados-Teitelboim-Zanelli black hole is shown to be a special case of one of these families. The causal structure, associated matter, as well as the mecha... | ['1999-11-11'] |
4,755 | ['eng'] | ['Banks, T'] | ['Matrix Theory'] | ['Particle Physics - Theory'] | ['lectures, Boulder 1999/05/30', 'matrix model', 'dimension, 11', 'spontaneous compactification', 'quantization, light cone', 'quantization, discrete', 'supersymmetry', 'holography', 'graviton, scattering', 'membrane model, p-brane', 'M-theory', 'radiation, Hawking', 'entropy', 'string model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911068'] | ["This is a summary of key issues in Matrix Theory and its compactifications. It is emphasized that Matrix Theory is a valid Discrete Light Cone Quantization of M Theory with at least 6 noncompact asymptotically flat dimensions and 16 or 32 Supersymmetry Charges. The background dependence of the quantum mechanics of M ... | ['1999-11-11'] |
4,756 | ['eng'] | ['Banks, T'] | ['M Theory and Cosmology'] | ['Particle Physics - Theory'] | ['lectures', 'string model', 'duality', 'M-theory', 'membrane model', 'moduli space', 'supergravity', 'dimension, 11', 'spontaneous compactification', 'quantum cosmology', 'inflationary universe', 'soliton, BPS', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911067'] | ['This is a series of lectures on M Theory for cosmologists. After summarizing some of the main properties of M Theory and its dualities I show how it can be used to address various fundamental and phenomenological issues in cosmology.'] | ['1999-11-11'] |
4,757 | ['eng'] | ['Britto-Pacumio, R', 'Michelson, J', 'Strominger, A', 'Volovich, I V'] | ['Lectures on Superconformal Quantum Mechanics and Multi-Black Hole Moduli Spaces'] | ['Particle Physics - Theory'] | ['lectures, Akureyri 1999/08/10', 'quantum mechanics', 'invariance, conformal', 'supersymmetry', 'black hole, Reissner-Nordstroem', 'moduli space', 'dimension, 5', 'membrane model', 'infrared problem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911066'] | ['This contribution to the proceedings of the 1999 NATO ASI on Quantum Geometry at Akureyri, Iceland, is based on notes of lectures given by A. Strominger. Topics include N-particle conformal quantum mechanics, extended superconformal quantum mechanics and multi-black hole moduli spaces.'] | ['1999-11-11'] |
4,758 | ['eng'] | ['Tripathy, P K', 'Schaposnik, F A'] | ['Monopoles in non-Abelian Einstein-Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'Higgs model', 'Einstein equation', 'magnetic monopole', 'gauge field theory, SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911065'] | ['We study static spherically symmetric monopole solutions in non-Abelian Einstein-Born-Infeld-Higgs model with normal trace structure. These monopoles are similar to the corresponding solution with symmetrised trace structure and are existing only up to some critical value of the strength of the gravitational interact... | ['1999-11-11'] |
4,759 | ['eng'] | ['Jack, I', 'Parsons, S'] | ['O(d,d) invariance at two and three loops'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'symmetry, O(N,N)', 'invariance, conformal', 'perturbation theory, higher-order', 'higher-order, 3', 'renormalization group, beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911064'] | ['We show that in a two-dimensional $\\sigma$-model whose fields only depend on one target space co-ordinate, the O(d,d) invariance of the conformal invariance conditions observed at one loop is preserved at two loops (in the general case with torsion) and at three loops (in the case without torsion).'] | ['1999-11-11'] |
4,760 | ['eng'] | ['Pintér, G'] | ['The Action Principle in Epstein Glaser Renormalization and Renormalization of the S-Matrix in $\\phi^{4}$-Theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'S-matrix', 'operator, algebra', 'perturbation theory, higher-order', 'perturbation theory, causality', 'renormalization, finite', 'action', 'axiomatic field theory', 'Dyson-Schwinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911063'] | ['A formula describing finite renormalizations is derived in the Epstein-Glaser formalism and an explicit calculation of finite counterterms in $\\Phi ^4$-theory is performed. The Zimmermann identities and the action principle for changes of parameters and external fields are presented.'] | ['1999-11-11'] |
4,761 | ['eng'] | ['Natsuume, M', 'Okamura, T'] | ['Entropy for Asymptotically $AdS_{3}$ Black Holes'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'space-time, anti-de Sitter', 'Einstein-Maxwell equation', 'gravitation, dilaton', 'dimension, 3', 'asymptotic behavior', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911062'] | ["We propose that Strominger's method to derive the BTZ black hole entropy is in fact applicable to other asymptotically AdS_3 black holes and gives the correct functional form of the entropy. We discuss various AdS_3 solutions in the Einstein-Maxwell theory, dilaton gravity, Einstein-scalar theories, and Einstein-Maxw... | ['1999-11-11'] |
4,762 | ['eng'] | ['De Benedictis, A', 'Viswanathan, K S'] | ['Stress-Energy Tensors for Higher Dimensional Gravity'] | ['Particle Physics - Theory'] | ['gravitation, higher-dimensional', 'tensor, energy-momentum', 'anomaly, Weyl', 'black hole', 'space-time, anti-de Sitter', 'field theory, action', 'regularization', 'energy, Casimir', 'dimension, 8'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911060'] | ['We calculate, in the context of higher dimensional gravity, the stress-energy tensor and Weyl anomaly associated with anti-de Sitter and anti-de Sitter black hole solutions. The boundary counter-term method is used to regularize the action and the resulting stress-energy tensor yields both the correct black hole ener... | ['1999-11-10'] |
4,763 | ['eng'] | ['Böhm, A', 'Kaldass, H', 'Wickramasekara, S', 'Kielanowski, Piotr'] | ['Semigroup Representations of the Poincaré Group and Relativistic Gamow Vectors'] | ['Particle Physics - Theory'] | ['group theory, Poincare', 'group theory, representation', 'vector, Gamow', 'resonance, relativistic', 'Hilbert space', 'S-matrix', 'resonance, mass', 'resonance, lifetime'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911059'] | ['Gamow vectors are generalized eigenvectors (kets) of self-adjoint Hamiltonians with complex eigenvalues $(E_{R}\\mp i\\Gamma/2)$ describing quasistable states. In the relativistic domain this leads to Poincaré semigroup representations which are characterized by spin $j$ and by complex invariant mass square ${\\maths... | ['1999-11-10'] |
4,764 | ['eng'] | ['Hashimoto, A', 'Itzhaki, N'] | ['On the Hierarchy Between Non-Commutative and Ordinary Supersymmetric Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'gauge field theory, noncommutative', 'gauge field theory, U(N)', 'supergravity', 'weak coupling', 'strong coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911057'] | ["Non-commutative supersymmetric Yang-Mills with rational Theta is dual to an ordinary supersymmetric Yang-Mills with a 't Hooft flux. It is believed that the simplest description is via the ordinary supersymmetric Yang-Mills. We claim, however, that the two descriptions form a hierarchy. The SYM description is the pro... | ['1999-11-10'] |
4,765 | ['eng'] | ['Weidig, T'] | ['The World of Babyskyrmions'] | ['Particle Physics - Theory'] | ['talk, Erice 1999/09/17', 'Skyrmion', 'dimension, 3', 'soliton, topological', 'sigma model, nonlinear', 'dimension, 2', 'charge, topological', 'energy, density', 'numerical calculations', 'talk, Erice 1999/08/29'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911056'] | ["This is one of the `New Talents' seminars at `Erice International School of Subnuclear Physics 1999' and looks at numerical studies of (2+1)D topological Skyrme-like solitons; the baby skyrmions. We explain the concept of integrable and topological solitons. Then we introduce the non-linear sigma model in 2D in order... | ['1999-11-10'] |
4,766 | ['eng'] | ['Garriga, J', 'Tanaka, T'] | ['Gravity in the Brane-world'] | ['Particle Physics - Theory'] | ['gravitation, weak field', 'membrane model', 'Brans-Dicke model', 'mass spectrum', 'gravitation, linear', 'Kaluza-Klein model', 'space-time, anti-de Sitter', 'dimension, 5', 'matter, shadow'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911055'] | ['We discuss the weak gravitational field created by isolated matter sources in the Randall-Sundrum brane-world. In the case of two branes of opposite tension, linearized Brans-Dicke (BD) gravity is recovered on either wall, with different BD parameters. On the wall with positive tension the BD parameter is larger than... | ['1999-11-10'] |
4,767 | ['eng'] | ['Ikemori, H', 'Kitakado, S', 'Otsu, H', 'Sato, T'] | ['Hopf Map and Quantization on Sphere'] | ['Particle Physics - Theory'] | ['quantum mechanics, sphere', 'transformation, Hopf', 'fibre bundle', 'quantization', 'magnetic monopole', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911053'] | ["Quantization of a system constrained to move on a sphere is considered by taking a square root of the ``on sphere condition''. We arrive at the fibre bundle structure of the Hopf map in the cases of $S^{2} $and $S^{4}$. This leads to more geometrical understanding of monopole and instanton gauge structures that emerg... | ['1999-11-10'] |
4,768 | ['eng'] | ['Westerberg, A', 'Wyllard, N'] | ['Super-p-brane actions from interpolating dualisations'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'talk, Moscow 1999/05/27', 'membrane model', 'supersymmetry', 'string model', 'kappa symmetry', 'field theory, action', 'symmetry, SL(2)', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911052'] | ['We review a recently proposed method for constructing super-p-brane world-volume actions. In this approach, starting from a democratic choice of world-volume gauge-fields guided by p-brane intersection rules, the requirements of kappa-symmetry and gauge invariance can be used to determine the corresponding action. We... | ['1999-11-09'] |
4,769 | ['eng'] | ['Ansoldi, S', 'Aurilia, A', 'Smailagic, A', 'Spallucci, E'] | ['Dualization of Interacting Theories Including p=d-1 Limiting Cases'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, closed', 'partition function', 'differential forms', 'duality', 'gauge field theory, abelian', 'mass, topological', 'current, interaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911051'] | ['We study the vacuum partition functional Z [J] for a system of closed, bosonic p-branes coupled to p-forms in the limiting case: p+1 = space-time dimension. We suggest an extension of the duality transformation which can be applied to the limiting case even though no dual gauge potential exists in the conventional se... | ['1999-11-09'] |
4,770 | ['eng'] | ['Mebarki, N', 'Maireche, A'] | ['Quantum Nonsymmetric Gravity Geometric Commutation Relations'] | ['Particle Physics - Theory'] | ['quantum gravity, asymmetry', 'commutation relations, tensor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911048'] | ['A tensor like commutation relations are derived and the Pauli-Jordan D-function is constructed.'] | ['1999-11-09'] |
4,771 | ['eng'] | ['Mebarki, N', 'Maireche, A', 'Boudine, A', 'Benslama, A'] | ['Symmetries of Quantum Nonsymmetric Gravity'] | ['Particle Physics - Theory'] | ['gravitation, model', 'commutation relations, canonical', 'charge', 'transformation, Becchi-Rouet-Stora', 'quantum gravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911046'] | ['Symmetries of Quantum Nonsymmetric gravity are studied and the corresponding generators are constructed . The related equal time canonical (and non canonical) (anti) commutation relations are established.'] | ['1999-11-09'] |
4,772 | ['eng'] | ['Mebarki, N', 'Maireche, A'] | ['N = 1, D = 4 Quantum Nonsymmetric supergravity'] | ['Particle Physics - Theory'] | ['supergravity, model', 'quantization', 'transformation, Becchi-Rouet-Stora', 'Lagrangian formalism', 'transformation, SO(3,1)', 'transformation, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911045'] | ['The quantization of N=1,D=4 Nonsymmetric supergravity is studied and the BRST transformations as well as the corresponding quantum Lagrangian are constructed.'] | ['1999-11-09'] |
4,773 | ['eng'] | ['Mebarki, N', 'Maireche, A'] | ['Quantum Nonsymmetric Gravity and The Superfiber Bundle Formalism'] | ['Particle Physics - Theory'] | ['quantum gravity, model', 'fibre bundle', 'supersymmetry, superfield', 'transformation, Becchi-Rouet-Stora', 'ghost', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911044'] | ['The formalism of the principal superfiber-bundle is applied to quantum Nonsymmetric gravitationl theory. It is shown that the metric and Faddev-Popov fields arise as superfields components of the superconnection. Moreover,the BRST and anti-BRST transformations are shown to be the gauge transformations of parameters t... | ['1999-11-09'] |
4,774 | ['eng'] | ['Emparan, R', 'Horowitz, Gary T', 'Myers, R C'] | ['Exact Description of Black Holes on Branes'] | ['Particle Physics - Theory'] | ['membrane model', 'black hole', 'dimension, 4', 'Einstein equation, solution', 'gravitation', 'dimension, 3', 'thermodynamics', 'astrophysics, string', 'potential', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911043'] | ['To test recent ideas about lower dimensional gravity bound to a brane, we construct exact solutions describing black holes on two-branes in four dimensions. We find that 2+1 gravity is indeed recovered at large distances along the brane, although there are significant deviations at smaller scales. Large black holes a... | ['1999-11-09'] |
4,775 | ['eng'] | ['Minasian, R', 'Tsimpis, D'] | ['On the geometry of non-trivially embedded branes'] | ['Particle Physics - Theory'] | ['supergravity', 'membrane model', 'supersymmetry', 'conifold, deformation', 'differential forms', 'coset space', 'duality, T-duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911042'] | ['We present a formal supersymmetric solution of type IIB supergravity generalizing previously known solutions corresponding to D3 branes to geometries without an orthogonal split between parallel and transverse directions. The metric is given implicitly as one with respect to which a certain connection is compatible. ... | ['1999-11-08'] |
4,776 | ['eng'] | ['Ambjørn, Jan', 'Makeenko, Y M', 'Nishimura, J', 'Szabo, R J'] | ['Finite N Matrix Models of Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'gauge field theory, noncommutative', 'lattice field theory', 'continuum limit', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911041'] | ['We describe a unitary matrix model which is constructed from discrete analogs of the usual projective modules over the noncommutative torus and use it to construct a lattice version of noncommutative gauge theory. The model is a discretization of the noncommutative gauge theories that arise from toroidal compactifica... | ['1999-11-08'] |
4,777 | ['eng'] | ['Distler, Jacques', 'Zamora, Frederic'] | ['Chiral Symmetry Breaking in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'symmetry breaking, chiral', 'symmetry, dynamically broken', 'gauge field theory, SU(N)', 'gauge field theory, deformation', 'dimension, 4', 'expansion 1/N', 'critical phenomena', 'fermion, Weyl', 'quark, condensation', 'correlation function', 'supergravity', 'd... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911040'] | ["We study the SU(3)-invariant relevant deformation of D=4 N=4 SU(N) gauge theory at large N using the AdS/CFT correspondence. At low energies, we obtain a nonsupersymmetric gauge theory with three left-handed quarks in the adjoint of SU(N). In terms of the five dimensional gauged supergravity, there is an unstable cri... | ['1999-11-08'] |
4,778 | ['eng'] | ['Giveon, Amit', 'Kutasov, D'] | ['Comments on Double-Scaled Little String Theory'] | ['Particle Physics - Theory'] | ['string model', 'approximation, weak coupling', 'field theory, conformal', 'supersymmetry', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911039'] | ['We study little string theory in a weak coupling limit defined in hep-th/9909110.'] | ['1999-11-08'] |
4,779 | ['eng'] | ['Svendsen, H G'] | ['High energy limits of various actions'] | ['Particle Physics - Theory'] | ['thesis', 'string model, boson', 'supersymmetry', 'membrane model, D-brane', 'membrane model, p-brane', 'Born-Infeld model', 'relativity theory, general', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'field theory, action', 'Lagrangian formalism', 'Hamiltonian formalism', 'constraint', 'transformation, diffe... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911038'] | ['This is a thesis submitted for the cand.scient. degree at the University of Oslo. It is meant to give a thorough presentation of two methods for deriving tensionless limits of strings, and the analogue in other models. Also, the applicability of these methods are investigated by explicitly going through the calculati... | ['1999-11-08'] |
4,780 | ['eng'] | ['Gorsky, A S'] | ['Dualities in integrable systems and N=2 theories'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/05/27', 'integrability', 'duality', 'supersymmetry', 'gauge field theory, Yang-Mills', 'duality, T-duality', 'duality, S-duality', 'string model', 'effective action', 'membrane model', 'symmetry, mirror', 'dynamical system', 'many-body problem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911037'] | ['We discuss dualities of the integrable dynamics behind the exact solution to the N=2 SUSY YM theory. It is shown that T duality in the string theory is related to the separation of variables procedure in dynamical system. We argue that the are analogues of S duality as well as 3d mirror symmetry in the many-body syst... | ['1999-11-08'] |
4,781 | ['eng'] | ['Bassetto, A', 'Griguolo, L', 'Vian, Federica'] | ['Two-dimensional QCD and instanton contribution'] | ['Particle Physics - Theory'] | ['talk, Lisbon 1999/09/29', 'gauge field theory, U(N)', 'dimension, 2', 'instanton', 'quantization', 'Wilson loop', 'perturbation theory', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911036'] | ['In these notes Yang-Mills theories in 1+1 dimensions are reviewed. Instantons on a sphere prove to be -in the decompactification limit- the key issue to clarify an old controversy between equal-time and light-front quantization.'] | ['1999-11-08'] |
4,782 | ['eng'] | ['Julia, B L', 'Silva, S'] | ['On first order formulations of supergravities'] | ['Particle Physics - Theory'] | ['supergravity', 'supersymmetry, transformation', 'Lagrangian formalism', 'dimension, 4', 'dimension, 11', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911035'] | ['Supergravities are usually presented in a so-called 1.5 order formulation. Here we present a general scheme to derive pure 1^{st} order formulations of supergravities from the 1.5 order ones. The example of N_4=1 supergravity will be rederived and new results for N_4=2 and N_11=1 will be presented. It seems that beyo... | ['1999-11-08'] |
4,783 | ['eng'] | ['Ohta, Y'] | ['Direct Derivation of Scaling Relation of Prepotential in N=2 Supersymmetric $G_{2}$ Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, G(2)', 'supersymmetry', 'scaling', 'potential, prepotential', 'differential equations', 'Picard-Fuchs equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911034'] | ['In contrast with the classical gauge group cases, any method to prove exactly the scaling relation which relates moduli and prepotential is not known in the case of exceptional gauge groups. This paper provides a direct method to establish this relation by using Picard-Fuchs equations. In particular, it is shown that... | ['1999-11-08'] |
4,784 | ['eng'] | ['Rochev, V E'] | ['An approach to approximate calculations of Green functions'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/05/27', 'oscillator', 'phi**n model, 4', 'quantum electrodynamics', 'n-point function, expansion', 'Dyson-Schwinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911033'] | ['A new approach proposed recently by author for the calculation of Green functions in quantum field theory and quantum mechanics is briefly reviewed. The method is applied to nonperturbative calculations for anharmonic oscillator, $\\phi^4$-theory, quantum electrodynamics and other models.'] | ['1999-11-08'] |
4,785 | ['eng'] | ['Borstnik, N M', 'Nielsen, Holger Bech'] | ['Dirac-Kähler approach connected to quantum mechanics in Grassmann space'] | ['Particle Physics - Theory'] | ['Dirac-Kaehler equation', 'field theory, tensor', 'field theory, massless', 'differential forms', 'transformation, Lorentz', 'symmetry, discrete', 'spinor', 'space, Grassmann', 'any-dimensional', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911032'] | ["We compare the way one of us got spinors out of fields, which are a priori antisymmetric tensor fields, to the Dirac-Kähler rewriting. Since using our Grassmann formulation is simple it may be useful in describing the Dirac-Kähler formulation of spinors and in generalizing it to vector internal degrees of freedom and... | ['1999-11-08'] |
4,786 | ['eng'] | ['Myung, Y S', 'Lee, H W'] | ['Noncommutative spacetime and the fractional quantum Hall effect'] | ['Particle Physics - Theory'] | ['space-time, noncommutative', 'Hall effect, fractional', 'magnetic field', 'particle, nonrelativistic', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911031'] | ['We propose the two formalisms for obtaining the noncommutative spacetime in a magnetic field. One is the first-order formalism and the other is the second-order formalism. Although the noncommutative spacetime is realized manifestly in the first-order formalism, the second-order formalism would be more useful for cal... | ['1999-11-05'] |
4,787 | ['eng'] | ['Bagger, Jonathan A', 'Moroi, T', 'Poppitz, E R'] | ['Anomaly mediation in supergravity theories'] | ['Particle Physics - Theory'] | ['supergravity', 'supersymmetry, symmetry breaking', 'anomaly, chiral', 'effective action', 'gaugino, mass', 'potential, Kaehler', 'sigma model', 'anomaly, Weyl', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911029'] | ['We consider the effects of anomalies on the supersymmetry-breaking parameters in supergravity theories. We construct a supersymmetric expression for the anomaly-induced terms in the 1PI effective action; we use this result to compute the complete one-loop formula for the anomaly-induced gaugino mass. The mass receive... | ['1999-11-05'] |
4,788 | ['eng'] | ['Das, A', 'Dunne, G', 'Frenkel, J'] | ['Large Gauge Ward Identity'] | ['Particle Physics - Theory'] | ['gauge field theory, abelian', 'Chern-Simons term', 'dimension, 3', 'dimension, 1', 'effective action', 'fermion, flavor', 'supersymmetry', 'Ward identity', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911028'] | ['We study the question of the Ward identity for "large" gauge invariance in 0+1 dimensional theories. We derive the relevant Ward identities for a single flavor fermion and a single flavor complex scalar field interacting with an Abelian gauge field. These identities are nonlinear. The Ward identity for any other comp... | ['1999-11-05'] |
4,789 | ['eng'] | ['Gibbons, G W'] | ['Holography and the Future Tube'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'holography', 'space-time, Minkowski', 'space-time, anti-de Sitter', 'any-dimensional', 'phase space', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911027'] | ['The Future Tube $T^+_n$ of n-dimensional Minkowski spacetime may be identified with the reduced phase space or ` ` space of motions" of a particle moving in (n+1)-dimensional Anti-de-Sitter spacetime. Both are isomorphic to a bounded homogeneous domain in ${\\bf C}^{n}$ whose Shilov boundary may be identified with $n... | ['1999-11-05'] |
4,790 | ['eng'] | ['Watts, P'] | ['Noncommutative String Theory, the R-Matrix and Hopf Algebras'] | ['Particle Physics - Theory'] | ['string model', 'algebra, Hopf', 'R-matrix', 'differential geometry, noncommutative', 'gauge field theory', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911026'] | ['Motivated by the form of the noncommutative *-product in a system of open strings and Dp-branes with constant nonzero Neveu-Schwarz 2-form, we define a deformed multiplication operation on a quasitriangular Hopf algebra in terms of its R-matrix, and comment on some of its properties. We show that the noncommutative s... | ['1999-11-05'] |
4,791 | ['eng'] | ['Abanov, A G', 'Wiegmann, P B'] | ['Theta-terms in nonlinear $\\sigma$-models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'sigma model, linear', 'Theta parameter', 'current algebra', 'anomaly, nonperturbative', 'sigma model, hierarchy', 'soliton, quantum number', 'fermion, Dirac'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911025'] | ['We trace the origin of theta-terms in nonlinear sigma-models as a nonperturbative anomaly of current algebras. The nonlinear sigma-models emerge as a low energy limit of linear fermionic sigma-models. The latter describe Dirac fermions coupled to chiral bosonic fields. We discuss the geometric phases in three hierarc... | ['1999-11-05'] |
4,792 | ['eng'] | ['Geyer, B', 'Lazar, M'] | ['Twist decomposition of nonlocal light-ray operators and harmonic tensor functions'] | ['Particle Physics - Theory'] | ['talk, Goslar 1999/07/18', 'operator, light cone', 'operator, nonlocal', 'operator, expansion', 'operator, harmonic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911024'] | ['For arbitrary spacetime dimension a systematic procedure is carried on to uniquely decompose nonlocal light-cone operators into harmonic operators of well defined twist. Thereby, harmonic tensor polynomials up to rank 2 are introduced. Symmetric tensor operators of rank 2 are considered as an example.'] | ['1999-11-05'] |
4,793 | ['eng'] | ['Kostov, Ivan K'] | ['Exact Solution of the Six-Vertex Model on a Random Lattice'] | ['Particle Physics - Theory'] | ['statistical mechanics', 'model, vertex', 'vertex, 6', 'random lattice', 'matrix model', 'expansion 1/N', 'integrability', 'partition function', 'scaling', 'analytic properties', 'string model', 'critical phenomena', 'gas, Coulomb', 'saddle-point approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911023'] | ['We solve exactly the the 6-vertex model on a dynamical random lattice, using its representation as a large N matrix model. The model describes a gas of dense nonintersecting oriented loops coupled to the local curvature defects on the lattice. The model can be mapped to the c=1 string theory, compactified at some len... | ['1999-11-05'] |
4,794 | ['eng'] | ['Ennes, I P', 'Naculich, S G', 'Rhedin, H', 'Schnitzer, H J'] | ['Tests of M-theory from N=2 Seiberg-Witten theory'] | ['Particle Physics - Theory'] | ['lectures, Santiago de Compostela 1999/07/26', 'M-theory', 'gauge field theory, SU(N)', 'supersymmetry', 'Seiberg-Witten model', 'potential, prepotential', 'instanton', 'membrane model', 'perturbation theory, higher-order', 'geometry, algebra', 'Riemann surfaces', 'analytic properties', 'group theory, representation',... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911022'] | ['Methods are reviewed for computing the instanton expansion of the prepotential for N=2 Seiberg-Witten (SW) theory with non-hyperelliptic curves. These results, if compared with the instanton expansion obtained from the microscopic Lagrangian, will provide detailed tests of M-theory. We observe group-theoretic regular... | ['1999-11-05'] |
4,795 | ['eng'] | ['Cvetic, M', 'Plümacher, Michael', 'Wang, J'] | ['Three Family Type IIB Orientifold String Vacua with Non-Abelian Wilson Lines'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'orientifold', 'Wilson loop', 'membrane model, D-brane', 'membrane model, p-brane', 'anomaly', 'family, 3', 'group theory, representation', 'particle, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911021'] | ['We address the implementation of non-Abelian Wilson lines in D=4 N=1 Type IIB orientifold constructions. We present an explicit three-family example with the gauge group (U(4)xU(2)xSU(2)xSU(2))^2x(U(6)xSp(4))^2 and give the particle spectrum and the trilinear superpotential. Emphasizing the new subtleties associated ... | ['1999-11-04'] |
4,796 | ['eng'] | ['Nersessian, A P'] | ['Massless particles and the geometry of curves'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/05/27', 'mechanics, classical', 'particle, relativistic', 'particle, massless', 'Hamiltonian formalism', 'constraint', 'invariance, reparametrization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911020'] | ['We analyze the possibility of description of D-dimensional massless particles by the Lagrangians linear on world-line curvatures k_i, {\\cal S}=\\sum_{i=1}^Nc_i\\int k_i d{\\tilde s}. We show, that the nontrivial classical solutions of this model are given by space-like curves with zero 2N-th curvature for N\\leq[(D-... | ['1999-11-04'] |
4,797 | ['eng'] | ['Dudas, E A', 'Mourad, J'] | ['String theory predictions for future accelerators'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'effective action', 'Kaluza-Klein model', 'scattering amplitude, higher-order', 'dimension, >4', 'regularization', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911019'] | ['We consider, in a string theory framework, physical processes of phenomenological interest in models with a low string scale. The amplitudes we study involve tree-level virtual gravitational exchange, divergent in a field-theoretical treatment, and massive gravitons emission, which are the main signatures of this cla... | ['1999-11-04'] |
4,798 | ['eng'] | ['Fayyazuddin, A', 'Zabzine, M'] | ['A note on bosonic open strings in constant B field'] | ['Particle Physics - Theory'] | ['string model, boson', 'string, open', 'background field, tensor', 'quantization, 1', 'any-dimensional', 'symmetry breaking, Lorentz', 'mass spectrum', 'transformation, gauge', 'field theory, deformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911018'] | ['We sketch the main steps of old covariant quantization of bosonic open strings in a constant B field background. We comment on its space-time symmetries and the induced effective metric. The low-energy spectrum is evaluated and the appearance of a new non-commutative gauge symmetry is addressed.'] | ['1999-11-04'] |
4,799 | ['eng'] | ['Metsaev, R R'] | ['Light cone formalism in AdS spacetime'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/05/27', 'space-time, anti-de Sitter', 'field theory, conformal', 'light cone gauge', 'operator, algebra', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911016'] | ['Light cone form of field dynamics in anti-de Sitter spacetime is described. We also present light cone reformulation of the boundary conformal field theory representations. AdS/CFT correspondence between the bulk fields and the boundary operators is discussed.'] | ['1999-11-04'] |
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