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 |
|---|---|---|---|---|---|---|---|---|
3,000 | ['eng'] | ['Chalmers, G', 'Lechtenfeld, O', 'Niemeyer, B'] | ['N=2 Quantum String Scattering'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'scattering amplitude, higher-order', 'operator, vertex', 'analytic properties', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007020'] | ['We calculate the genus-one three- and four-point amplitudes in the 2+2 dimensional closed N=(2,2) worldsheet supersymmetric string within the RNS formulation. Vertex operators are redefined with the incorporation of spinor helicity techniques, and the quantum scattering is shown to be manifestly gauge and Lorentz inv... | ['2000-07-05'] |
3,001 | ['eng'] | ['Gibbons, G W', 'Hashimoto, K'] | ['Non-Linear Electrodynamics in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['space-time', 'Born-Infeld model', 'duality', 'charge, topological', 'tensor, energy-momentum', 'effective action', 'string model', 'instanton', 'black hole', 'Kaluza-Klein model, monopole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007019'] | ['We study non-linear electrodynamics in curved space from the viewpoint of dualities. After establishing the existence of a topological bound for self-dual configurations of Born-Infeld field in curved space, we check that the energy-momentum tensor vanishes. These properties are shown to hold for general duality-inva... | ['2000-07-04'] |
3,002 | ['eng'] | ['Maldacena, J M', 'Núñez, C'] | ['Supergravity description of field theories on curved manifolds and a no go theorem'] | ['Particle Physics - Theory'] | ['supergravity', 'field equations, solution', 'space-time, anti-de Sitter', 'Riemann surfaces', 'membrane model, p-brane', 'membrane model, D-brane', 'spontaneous compactification', 'M-theory', 'Randall-Sundrum model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007018'] | ['In the first part of this paper we find supergravity solutions corresponding to branes on worldvolumes of the form $R^d \\times \\Sigma$ where $\\Sigma$ is a Riemann surface. These theories arise when we wrap branes on holomorphic Riemann surfaces inside $K3$ or CY manifolds. In some cases the theory at low energies ... | ['2000-07-04'] |
3,003 | ['eng'] | ['Chan, H M'] | ['Yang-Mills Duality and the Generation Puzzle'] | ['Particle Physics - Theory'] | ['talk, Singapore 2000/03/13', 'gauge field theory, Yang-Mills', 'fermion, family', 'duality', 'loop space', 'symmetry, magnetic', 'symmetry, electric', 'symmetry, SU(3)', 'charge, monopole', 'fermion, mass', 'fermion, mixing angle', 'Kobayashi-Maskawa angle', 'neutral current, flavor changing', 'numerical calculations... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007016'] | ["The fermion generation puzzle has survived into this century as one of the great mysteries in particle physics. We consider here a possible solution within the Standard Model framework based on a nonabelian generalization of electric-magnetic duality. First, by constructing in loop space a nonabelian generalization o... | ['2000-07-04'] |
3,004 | ['eng'] | ['Dimakis, A', 'Müller-Hoissen, F'] | ['A Noncommutative Version of the Nonlinear Schrodinger Equation'] | ['Particle Physics - Theory'] | ['Schroedinger equation, nonlinear', 'quantization, deformation', 'conservation law', 'soliton', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007015'] | ['We apply a (Moyal) deformation quantization to a bicomplex associated with the classical nonlinear Schrodinger equation. This induces a deformation of the latter equation to noncommutative space-time while preserving the existence of an infinite set of conserved quantities.'] | ['2000-07-04'] |
3,005 | ['eng'] | ['Lidsey, J E'] | ['Supergravity Brane Cosmologies'] | ['Particle Physics - Theory'] | ['supergravity', 'membrane model', 'astrophysics, model', 'dimension, 11', 'string model, heterotic', 'Horava-Witten model', 'dilaton', 'inflationary universe'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007014'] | ['Solitonic brane cosmologies are found where the world-volume is curved due to the evolution of the dilaton field on the brane. In many cases, these may be related to the solitonic Dp- and M5-branes of string and M-theory. An eleven-dimensional interpretation of the D8-brane cosmology of the massive type IIA theory is... | ['2000-07-04'] |
3,006 | ['eng'] | ['Kheirandish, F', 'Khorrami, M'] | ['Logarithmic two dimensional spin-1/3 fractional supersymmetric conformal field theories and the two point functions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry', 'spin, fractional', 'two-point function', 'algebra, Virasoro'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007013'] | ['Logarithmic spin-1/3 superconformal field theories are investigated. the chiral and full two-point functions of two-(or more-) dimensional Jordanian blocks of arbitrary weights, are obtained.'] | ['2000-07-04'] |
3,007 | ['eng'] | ['Hyakutake, Y', 'Imamura, Y', 'Sugimoto, S'] | ['Orientifold Planes, Type I Wilson Lines and Non-BPS D-branes'] | ['Particle Physics - Theory'] | ['membrane model', 'symmetry breaking', 'Wilson loop', 'group theory, representation', 'soliton, BPS', 'duality', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007012'] | ['There is a longstanding puzzle concerned with the existence of Op-planes with p>=6, which are orientifold p-planes of negative charge with stuck Dp-branes. We study the consistency of configurations with various orientifold planes and propose a resolution to this puzzle. It is argued that O6-planes are possible in ma... | ['2000-07-04'] |
3,008 | ['eng'] | ['Trivedi, S P', 'Vaidya, S'] | ['Fuzzy Cosets and their Gravity Duals'] | ['Particle Physics - Theory'] | ['membrane model', 'coset space, fuzzy', 'field theory, tensor', 'differential geometry, noncommutative', 'gravitation', 'duality', 'effect, dielectric', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007011'] | ['Dp-branes placed in a certain external RR (p+4)-form field expand into a transverse fuzzy two-sphere, as shown by Myers. We find that by changing the (p+4)-form background other fuzzy cosets can be obtained. Three new examples, S^2 X S^2, CP^2 and SU(3)/(U(1) X U(1)) are constructed. The first two are four-dimensiona... | ['2000-07-04'] |
3,009 | ['eng'] | ['Lee, D'] | ['Tutorial on quasi-sparse eigenvector diagonalization'] | ['Particle Physics - Theory'] | ['talk, Guangzhou 2000/05/15', 'phi**n model, 4', 'Hamiltonian formalism', 'phase space, Fock space', 'programming'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007010'] | ['We review several topics related to the diagonalization of quantum field Hamiltonians using the quasi-sparse eigenvector (QSE) method.'] | ['2000-07-04'] |
3,010 | ['eng'] | ['Hatsuda, M T', 'Kamimura, K', 'Sakaguchi, M'] | ['Nondegenerate Super-Anti-de Sitter Algebra and a Superstring Action'] | ['Particle Physics - Theory'] | ['string model, action', 'supersymmetry, superspace', 'algebra, anti-de Sitter', 'differential forms', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007009'] | ['We construct an Anti-de Sitter(AdS) algebra in a nondegenerate superspace. Based on this algebra we construct a new covariant kappa-symmetric superstring action. Although this action reduces to the usual Green-Schwarz superstring action in flat limit, the auxiliary fermionic coordinates of the nondegenerate superspac... | ['2000-07-04'] |
3,011 | ['eng'] | ['Nichols, A'] | ['Logarithmic operators in the SL(2,R) WZNW model'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, SL(2,R)', 'Knizhnik-Zamolodchikov equation, solution', 'correlation function', 'asymptotic behavior', 'operator product expansion', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007007'] | ['We find some exact solutions of the Knizhnik-Zamolodchikov equation for the four point correlation functions that occur in the SL(2,R) WZNW model. They exhibit logarithmic behaviour in both the Kac-Moody and Virasoro parts. We discuss their implication for the operator product expansion. We also observe the appearanc... | ['2000-07-04'] |
3,012 | ['eng'] | ['Liu, X F', 'Sun, C P'] | ["Consequences of 't Hooft's Equivalence Class Theory and Symmetry by Large Coarse Graining"] | ['Particle Physics - Theory'] | ['gravitation', 'space-time, model', 'Hamiltonian formalism', 'energy spectrum', 'linear spaces', 'quantum mechanics', 'dissipation', 'time, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007006'] | ['According to \'t Hooft (Class.Quantum.Grav. 16 (1999), 3263), quantum gravity can be postulated as a dissipative deterministic system, where quantum states at the ``atomic scale\'\'can be understood as equivalence classes of primordial states governed by a dissipative deterministic dynamics law at the ``Planck scale\... | ['2000-07-04'] |
3,013 | ['eng'] | ['Mayburov, S'] | ['Quantum Space-Time and Reference Frames in Gravity and Flat Space-Time'] | ['Particle Physics - Theory'] | ['talk, Leipzig 1998/09/14', 'talk, Rome 2000/07/02', 'gravitation', 'quantum space', 'Hamiltonian formalism', 'particle, relativistic', 'transformation, Lorentz'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007003'] | ['The quantum space-time model which accounts material Reference Frames (RF) quantum effects considered for flat space-time and ADM canonical gravity. As was shown by Aharonov for RF - free material object its c.m. nonrelativistic motion in vacuum described by Schrodinger wave packet evolution which modify space coordi... | ['2000-07-04'] |
3,014 | ['eng'] | ['Mintchev, M', 'Pilo, L'] | ['Localization of Quantum Fields on Branes'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'boundary condition', 'membrane model', 'Randall-Sundrum model', 'field theory, scalar', 'propagator', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007002'] | ['A mechanism for localization of quantum fields on a $s$-brane, representing the boundary of a s+2 dimensional bulk space, is investigated. Minkowski and AdS bulk spaces are analyzed. Besides the background geometry, the relevant parameters controlling the theory are the mass M and a real parameter \\eta, specifying t... | ['2000-07-04'] |
3,015 | ['eng'] | ['Akama, K'] | ['Induced Field Theory on the Brane World'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'space-time', 'membrane model', 'field theory, induced', 'gravitation', 'gauge field theory, Yang-Mills', 'field theory, scalar', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007001', 'http://arXiv.org/abs/hep-th/?0007001'] | ['We show how the gravity, gauge, and matter fields are induced on dynamically localized brane world (domain wall, vortex etc.). Solitonic solutions localized on a curved brane in certain field theories in higher dimensions are given in terms of gravity, gauge and extrinsic curvature fields of the brane. Then we deduce... | ['2000-07-04'] |
3,016 | ['eng'] | ['Gherghetta, T', 'Rössle, E', 'Shaposhnikov, M E'] | ['Living Inside a Hedgehog'] | ['Particle Physics - Theory'] | ['Einstein equation, solution', 'dimension, >4', 'membrane model, p-brane', 'p-brane, 3', 'asymptotic behavior', 'topology, defect', 'field theory, scalar', 'field theory, tensor', 'gravitation, correction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006251'] | ["We consider spherically symmetric higher-dimensional solutions of Einstein's equations with a bulk cosmological constant and n transverse dimensions. In contrast to the case of one or two extra dimensions we find no solutions that localize gravity when $n\\geq 3$, for strictly local topological defects. We discuss gl... | ['2000-07-03'] |
3,017 | ['eng'] | ['De Souza, M M'] | ['Discrete scalar fields and general relativity'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, discrete', 'relativity theory, general', 'field equations', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006250'] | ['The physical meaning, the properties and the consequences of a discrete scalar field are discussed; limits for a continuous mathematical description of fundamental physics is a natural outcome of discrete fields with discrete interactions. The discrete scalar field is ultimately the gravitational field of general rel... | ['2000-07-03'] |
3,018 | ['eng'] | ['Blaschke, David B', 'Pervushin, V', 'Röpke, G'] | ['Topological invariant variables in QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'fermion, zero mode', 'charge, topological', 'dependence, gauge', 'Gauss law', 'quantization', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006249'] | ["We show that the class of functions of topologically nontrivial gauge transformations in QCD includes a zero-mode of the Gauss law constraint. The equivalent unconstrained system compatible with Feynman's integral is derived in terms of topological invariant variables, where the zero-mode is identified with the windi... | ['2000-07-03'] |
3,019 | ['eng'] | ['Ciccolini, M L', 'Fosco, C D', 'Schaposnik, F A'] | ['Non local parity transformations and anomalies'] | ['Particle Physics - Theory'] | ['fermion, Dirac', 'gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'gauge field theory, external field', 'parity, transformation', 'anomaly', 'path integral, measure'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006248'] | ['We present an alternative derivation of the parity anomaly for a massless Dirac field in 2+1 dimensions coupled to a gauge field. The anomaly functional, a Chern-Simons action for the gauge field, is obtained from the non-trivial Jacobian corresponding to a non local symmetry of the Pauli-Villars regularized action. ... | ['2000-07-03'] |
3,020 | ['eng'] | ['Lerche, Wolfgang', 'Lütken, C A', 'Schweigert, C'] | ['D-Branes on ALE Spaces and the ADE Classification of Conformal Field Theories'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'phase space, boundary condition', 'field theory, conformal', 'supersymmetry', 'dimension, 2', 'algebra, affine', 'gauge field theory, Yang-Mills', 'soliton, BPS', 'moduli space', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006247'] | ['The spectrum of D2-branes wrapped on an ALE space of general ADE type is determined, by representing them as boundary states of N=2 superconformal minimal models. The stable quantum states have RR charges which precisely represent the gauge fields of the corresponding Lie algebra. This provides a simple and direct ph... | ['2000-07-03'] |
3,021 | ['eng'] | ['Jurco, B', 'Schraml, S', 'Schupp, P', 'Wess, J'] | ['Enveloping algebra valued gauge transformations for non-abelian gauge groups on non-commutative spaces'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'transformation, gauge', 'differential geometry, noncommutative', 'operator, algebra', 'Seiberg-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006246'] | ['An enveloping algebra valued gauge field is constructed, its components are functions of the Lie algebra valued gauge field and can be constructed with the Seiberg-Witten map. This allows the formulation of a dynamics for a finite number of gauge field components on non-commutative spaces.'] | ['2000-07-03'] |
3,022 | ['eng'] | ['Valavane, K'] | ['Regularization of 2d supersymmetric Yang-Mills theory via non commutative geometry'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'dimension, 2', 'regularization', 'differential geometry, noncommutative', 'differential forms', 'fibre bundle', 'sphere, fuzzy', 'Schwinger model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006245'] | ['The non commutative geometry is a possible framework to regularize Quantum Field Theory in a nonperturbative way. This idea is an extension of the lattice approximation by non commutativity that allows to preserve symmetries. The supersymmetric version is also studied and more precisely in the case of the Schwinger m... | ['2000-07-03'] |
3,023 | ['eng'] | ['Blau, Matthias', 'Thompson, G'] | ['On the Relationship between the Rozansky-Witten and the 3-Dimensional Seiberg-Witten Invariants'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'Seiberg-Witten model', 'particle, multiplet', 'geometry, algebra', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006244'] | ['The Seiberg-Witten analysis of the low-energy effective action of d=4 N=2 SYM theories reveals the relation between the Donaldson and Seiberg-Witten (SW) monopole invariants. Here we apply analogous reasoning to d=3 N=4 theories and propose a general relationship between Rozansky-Witten (RW) and 3-dimensional Abelian... | ['2000-07-03'] |
3,024 | ['eng'] | ['Ambjørn, Jan', 'Arnaudon, Daniel', 'Sedrakian, Ara G', 'Sedrakian, T A', 'Sorba, Paul'] | ['Integrable Ladder t-J Model with Staggered Shift of the Spectral Parameter'] | ['Particle Physics - Theory'] | ['lattice field theory', 'Hamiltonian formalism', 'Yang-Baxter equation, solution', 'Bethe ansatz', 'braid group', 'integrability', 'transfer matrix'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006243'] | ['The generalization of the Yang-Baxter equations (YBE) in the presence of Z_2 grading along both chain and time directions is presented and an integrable model of t-J type with staggered disposition along a chain of shifts of the spectral parameter is constructed. The Hamiltonian of the model is computed in fermionic ... | ['2000-07-03'] |
3,025 | ['eng'] | ['Dyadichev, V V', 'Galtsov, D V'] | ['Sphaleron glueballs in NBI theory with symmetrized trace'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Born-Infeld model', 'field equations, solution', 'symmetry, rotational', 'sphaleron, glueball', 'gravitation', 'black hole', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006242'] | ["We derive a closed expression for the SU(2) Born-Infeld action with the symmetrized trace for static spherically symmetric purely magnetic configurations. The lagrangian is obtained in terms of elementary functions. Using it, we investigate glueball solutions to the flat space NBI theory and their self-gravitating co... | ['2000-07-03'] |
3,026 | ['eng'] | ['Wynter, T'] | ['The two loop D0-brane metric in N = 2 sigma models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry, superfield', 'dimension, 2', 'background field', 'boundary condition', 'membrane model', 'p-brane, 0', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006241'] | ["We investigate, up to two loop order, the physical metric seen by a D0-brane probe in the background metric of an N=2 sigma model. The metric is evaluated by calculating the Zamolodchikov metric for the disc two point function of the boundary operators correponding to the dispacement of the D0-brane boundary. Up to t... | ['2000-07-03'] |
3,027 | ['eng'] | ['Rastelli, L', 'Zwiebach, B'] | ['Tachyon potentials, star products and universality'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'string, boson', 'tachyon, potential', 'algebra, Virasoro', 'conservation law', 'ghost', 'operator, algebra', 'dependence, gauge', 'universality', 'Ward identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006240'] | ['We develop an efficient recursive method to evaluate the tachyon potential using the relevant universal subalgebra of the open string star algebra. This method, using off-shell versions of Virasoro Ward identities, avoids explicit computation of conformal transformations of operators and does not require a choice of ... | ['2000-07-03'] |
3,028 | ['eng'] | ['Jevicki, A', 'Mihailescu, M', 'Ramgoolam, S'] | ['Noncommutative spheres and the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'space, S(N)', 'sphere, fuzzy', 'orbifold', 'partial wave', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006239'] | ['We present a further argument in favor of non-commutativity of spheres in the AdS/CFT correspondence. Concentrating on the SCFT of $S_N$ orbifold, we use results for three point correlators (at finite $N$). Comparison with dual calculations on a non-commutative sphere is given with the characteristic feature of non-c... | ['2000-07-03'] |
3,029 | ['eng'] | ['Plyushchay, M S'] | ['Deformed Heisenberg Algebra with Reflection, Anyons and Supersymmetry of Parabosons'] | ['Particle Physics - Theory'] | ['talk, Anacapri 2000/05/31', 'algebra, Heisenberg', 'algebra, deformation', 'anyon', 'dimension, 3', 'parastatistics', 'supersymmetry', 'spin'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006238'] | ["Deformed Heisenberg algebra with reflection appeared in the context of Wigner's generalized quantization schemes underlying the concept of parafields and parastatistics of Green, Volkov, Greenberg and Messiah. We review the application of this algebra for the universal description of ordinary spin-$j$ and anyon field... | ['2000-07-03'] |
3,030 | ['eng'] | ['De Souza, M M'] | ['Conformally symmetric massive discrete fields'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'field theory, massless', 'field theory, massive', 'invariance, conformal', 'causality', 'field theory, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006237'] | ["Conformal symmetry is taken as an attribute of theories of massless fields in manifolds with specific dimensionalities. This paper shows that this is not an absolute truth; it is a consequence of the mathematical representation used for the physical interactions. It introduces a new kind of representation where the p... | ['2000-06-30'] |
3,031 | ['eng'] | ['Aharony, O', 'Gomis, J P', 'Mehen, T'] | ['On Theories With Light-Like Noncommutativity'] | ['Particle Physics - Theory'] | ['string model, open', 'membrane model, D-brane', 'membrane model, p-brane', 'effective action', 'Born-Infeld model', 'unitarity, constraint', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006236'] | ["We show that field theories with light-like noncommutativity, that is with $\\theta^{0i}=-\\theta^{1i}$, are unitary quantum theories, and that they can be obtained as decoupled field theory limits of string theory with D-branes in a background NS-NS B field. For general noncommutativity parameters, we show that nonc... | ['2000-06-30'] |
3,032 | ['eng'] | ['Gomis, J P', 'Kamimura, K', 'Llosa, J'] | ['Hamiltonian Formalism for Space-time Non-commutative Theories'] | ['Particle Physics - Theory'] | ['field theory, nonlocal', 'space-time, noncommutative', 'Hamiltonian formalism', 'field equations', 'phi**n model, 3', 'any-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006235'] | ['Space-time non-commutative theories are non-local in time. We develop the Hamiltonian formalism for field theories in d space-time dimensions by considering an auxilliary d+1 field theory which is local with respect to the extra evolution time. The Hamiltonian path integral quantization is considered. The case of NC ... | ['2000-06-30'] |
3,033 | ['eng'] | ['Staudacher, M'] | ['Bulk Witten Indices and the Number of Normalizable Ground States in Supersymmetric Quantum Mechanics of Orthogonal, Symplectic and Exceptional Groups'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'group theory, Sp(N)', 'group theory, G(2)', 'group theory, SO(N)', 'Witten index', 'deformation, Becchi-Rouet-Stora', 'higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006234'] | ['This note addresses the question of the number of normalizable vacuum states in supersymmetric quantum mechanics with sixteen supercharges and arbitrary semi-simple compact gauge group, up to rank three. After evaluating certain contour integrals obtained by appropriately adapting BRST deformation techniques we propo... | ['2000-06-30'] |
3,034 | ['eng'] | ['Jacob, P', 'Mathieu, P'] | ['Parafermionic character formulae'] | ['Particle Physics - Theory'] | ['fermion, parastatistics', 'field theory, conformal', 'algebra, representation', 'algebra, Virasoro', 'vector, singularity', 'Ising model', 'symmetry, Z(N)', 'algebra, character'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006233'] | ['We study various aspects of parafermionic theories such as the precise field content, a description of a basis of states (that is, the counting of independent states in a freely generated highest-weight module) and the explicit expression of the parafermionic singular vectors in completely irreducible modules. This a... | ['2000-06-30'] |
3,035 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Brane-World Cosmology in Higher Derivative Gravity or Warped Compactification in the Next-to-leading Order of AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, action', 'derivative, high', 'dimension, 5', 'spontaneous compactification', 'membrane model', 'field theory, conformal', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006232'] | ['The general model of higher derivative (HD) gravity is considered. The search of brane-world cosmology in such theory is presented when bulk is d5 AdS and boundary is spherical, hyperbolic or flat (single) brane. It is found the wide range of theory parameters where such cosmology may be realized. Special attention i... | ['2000-06-30'] |
3,036 | ['eng'] | ['Henningson, M'] | ['A class of six-dimensional conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 6', 'field theory, tensor', 'differential forms, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006231'] | ["We describe a class of six-dimensional conformal field theories that have some properties in common with and possibly are related to a subsector of the tensionless string theories: These theories are natural generalizations of the two-form with self-dual field strength that is part of the world-volume theory of a sin... | ['2000-06-30'] |
3,037 | ['eng'] | ['Adam, C', 'Muratori, B', 'Nash, C'] | ['Particle creation via relaxing hypermagnetic knots'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, chiral', 'anomaly', 'charge, topological', 'operator, Dirac', 'zero mode', 'particle, production', 'knot theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006230'] | ['We demonstrate that particle production for fermions coupled chirally to an Abelian gauge field like the hypercharge field is provided by the microscopic mechanism of level crossing. For this purpose we use recent results on zero modes of Dirac operators for a class of localized hypermagnetic knots.'] | ['2000-06-30'] |
3,038 | ['eng'] | ['Aitchison, Ian Johnston Rhind', 'Dunne, G V'] | ['Nontopological Finite Temperature Induced Fermion Number'] | ['Particle Physics - Theory'] | ['sigma model, chiral', 'fermion number, induced', 'external field', 'finite temperature', 'kink', 'expansion, derivative', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006229'] | ['We show that while the zero temperature induced fermion number in a chiral sigma model background depends only on the asymptotic values of the chiral field, at finite temperature the induced fermion number depends also on the detailed shape of the chiral background. We resum the leading low temperature terms to all o... | ['2000-06-30'] |
3,039 | ['eng'] | ['Vancea, I V'] | ['Bosonic D-Branes at Finite Temperature'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane model, boson', 'finite temperature', 'quantization', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006228'] | ['We derive the finite temperature description of bosonic D-branes in the thermo field approach. The results might be relevant to the study of thermical properties of D-brane systems.'] | ['2000-06-30'] |
3,040 | ['eng'] | ['Hong, S T', 'Park, Y J', 'Kubodera, K', 'Myhrer, F'] | ['Improved Dirac quantization of $CP^{1}$ model'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(1)', 'dimension, 2', 'quantization, constraint', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006227'] | ['The Batalin-Fradkin-Tyutin (BFT) scheme, which is an improved Dirac quantization method, is applied to the $CP^{1}$ model, and the compact form of a nontrivial first-class Hamiltonian is directly obtained by introducing the BFT physical fields. We also derive a BRST-invariant gauge fixed Lagrangian through the standa... | ['2000-06-30'] |
3,041 | ['eng'] | ['Krause, A'] | ['A Small Cosmological Constant, Grand Unification and Warped Geometry'] | ['Particle Physics - Theory'] | ['grand unified theory, SU(6)', 'astrophysics, fundamental constant', 'dimension, 4', 'Randall-Sundrum model', 'domain wall', 'string model', 'supersymmetry', 'Higgs particle, multiplet', 'mass difference, multiplet', 'symmetry, spontaneously broken', 'hypercharge', 'effective potential', 'membrane model', 'dimension, ... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006226'] | ["We will show that it is possible to obtain the observed value for the four-dimensional cosmological constant \\Lambda_4 by an exponential suppression of an initially Planck-sized constant. It is a surprising feature that the suppression-length corresponds to the GUT-scale. To make the relationship explicit, we consid... | ['2000-06-30'] |
3,042 | ['eng'] | ['Diaconescu, D E', 'Douglas, M R'] | ['D-branes on Stringy Calabi-Yau Manifolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'phase space, boundary condition', 'Landau-Ginzburg model', 'orbifold', 'string model', 'sigma model, nonlinear', 'supersymmetry', 'membrane, fractional', 'geometry, algebra', 'K-theory', 'symmetry, mirror', 'Gepner model', 'space, Calabi-Yau', 'gauge field theory, quiver', 'bound state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006224'] | ['We argue that D-branes corresponding to rational B boundary states in a Gepner model can be understood as fractional branes in the Landau-Ginzburg orbifold phase of the linear sigma model description. Combining this idea with the generalized McKay correspondence allows us to identify these states with coherent sheave... | ['2000-06-29'] |
3,043 | ['eng'] | ['Periwal, V'] | ['D-brane charges and K-homology'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'K-theory', 'cohomology', 'index theorem', 'fibre bundle, Clifford', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006223'] | ["It is argued that D-brane charge takes values in K-homology. For smooth manifolds with spin structure, this could explain why the phase factor $\\Omega(x)$ calculated with a D-brane state x in IIB theory appears in Diaconescu, Moore and Witten's computation of the partition function of IIA string theory."] | ['2000-06-29'] |
3,044 | ['eng'] | ['Bakas, Ioannis', 'Bilal, Adel', 'Derendinger, J P', 'Sfetsos, K'] | ['BPS Solutions and New Phases of Finite-Temperature Strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 5', 'effective action', 'supergravity', 'dimension, 4', 'soliton, BPS', 'finite temperature, high', 'field equations, solution', 'domain wall', 'critical phenomena', 'potential', 'dyon', 'boundary condition', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006222', 'http://documents.cern.ch/archive/electronic/other/uploader/SUSY2K/sfetsos.ps.gz'] | ['All high-temperature phases of the known N=4 superstrings in five dimensions can be described by the universal thermal potential of an effective four-dimensional supergravity. This theory, in addition to three moduli s, t, u, contains non-trivial winding modes that become massless in certain regions of the thermal mo... | ['2000-06-29'] |
3,045 | ['eng'] | ['Esposito, G', 'Kamenshchik, A Yu', 'Kirsten, K'] | ['Casimir Energy in the Axial Gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'boundary condition, sphere', 'path integral', 'gauge, axial', 'partial wave analysis', 'field equations, solution', 'effect, Casimir'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006220'] | ["The zero-point energy of a conducting spherical shell is studied by imposing the axial gauge via path-integral methods, with boundary conditions on the electromagnetic potential and ghost fields. The coupled modes are then found to be the temporal and longitudinal modes for the Maxwell field. The resulting system can... | ['2000-06-29'] |
3,046 | ['eng'] | ['Alvarez-Gaumé, Luís', 'Wadia, S R'] | ['Gauge Theory on a Quantum Phase Space'] | ['Particle Physics - Theory'] | ['phase space, quantum space', 'operator, algebra', 'algebra, Heisenberg', 'gauge field theory, U(N)', 'operator, derivative', 'Wilson loop', 'symmetry, spontaneously broken', 'expansion 1/N'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006219'] | ['In this note we present a operator formulation of gauge theories in a quantum phase space which is specified by a operator algebra. For simplicity we work with the Heisenberg algebra. We introduce the notion of the derivative (transport) and Wilson line (parallel transport) which enables us to construct a gauge theor... | ['2000-06-29'] |
3,047 | ['eng'] | ['Bizdadea, C'] | ['On the cohomological derivation of topological Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, topological', 'cohomology, Becchi-Rouet-Stora', 'field theory, deformation', 'antifield'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006218'] | ['Topological Yang-Mills theory is derived in the framework of Lagrangian BRST cohomology.'] | ['2000-06-29'] |
3,048 | ['eng'] | ['Fursaev, D V'] | ['Kaluza-Klein Method in Theory of Rotating Quantum Fields'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'field theory, scalar', 'fermion', 'field theory, rotational', 'dimension, >4', 'transformation, conformal', 'acceleration', 'energy levels, density', 'asymptotic behavior', 'energy, vacuum state', 'finite temperature, high', 'heat kernel', 'black hole, rotator', 'vector, Killing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006217'] | ['Quantum fields on a stationary space-time in a rotating Killing reference frame are considered. Finding solutions of wave equations in this frame is reduced to a fiducial problem on a static background. The rotation results in a gauge connection in a way similar to appearance of gauge fields in Kaluza-Klein models. S... | ['2000-06-29'] |
3,049 | ['eng'] | ['Balachandran, A P', 'Govindarajan, T R', 'Ydri, B'] | ['Fermion doubling problem and noncommutative geometry II'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'fermion, multiplet', 'fermion, chiral', 'angular momentum', 'algebra, Clifford', 'monopole', 'instanton', 'sphere, fuzzy', 'Ginsparg-Wilson relation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006216'] | ['In our previous paper (hep-th/9911087), we proposed a resolution for the fermion doubling problem in discrete field theories based on the fuzzy sphere and its cartesian products. In this paper after a review of that work, we bring out its relationship to the Ginsparg-Wilson approach.'] | ['2000-06-29'] |
3,050 | ['eng'] | ['Kakushadze, Z'] | ['Bulk Supersymmetry and Brane Cosmological Constant'] | ['Particle Physics - Theory'] | ['supersymmetry', 'membrane model', 'astrophysics, fundamental constant', 'field theory, scalar', 'domain wall', 'potential, scalar', 'spinor, Killing', 'space-time, anti-de Sitter', 'space-time, Minkowski'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006215'] | ['We consider a recent proposal to solve the cosmological constant problem within the context of brane world scenarios with infinite volume extra dimensions. In such theories bulk can be supersymmetric even if brane supersymmetry is completely broken. We propose a setup where unbroken bulk supersymmetry appears to prot... | ['2000-06-28'] |
3,051 | ['eng'] | ['De Souza, M M'] | ['Dynamics and causality constraints'] | ['Particle Physics - Theory'] | ['field theory, classical', 'causality', 'light cone gauge', 'constraint', 'electromagnetic field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006214'] | ['The physical meaning and the geometrical interpretation of causality implementation in classical field theories are discussed. Local causality are kinematical constraints dynamically implemented via solutions of the field equations, but in a limit of zero-distance from the field sources part of these constraints carr... | ['2000-06-28'] |
3,052 | ['eng'] | ['Dvali, G', 'Kogan, I I', 'Shifman, M'] | ['Topological Effects in Our Brane World From Extra Dimensions'] | ['Particle Physics - Theory'] | ['dimension, >4', 'Kaluza-Klein model', 'astrophysics, string', 'Born-Infeld model', 'magnetic monopole', 'membrane model', 'topology, effect', 'symmetry, spontaneously broken'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006213'] | ['The theories in which our world presents a brane embedded in large extra dimensions predict new types of topological defects. These defects arise due to the fact that the brane on which we live spontaneously breaks isometries of the extra space giving mass to some graviphotons. In many cases the corresponding vacuum ... | ['2000-06-28'] |
3,053 | ['eng'] | ['Musienko, A I'] | ['Topological Solitons in Discrete Space-Time as the Model of Fermions'] | ['Particle Physics - Theory'] | ['space-time, discrete', 'field theory, tensor', 'fermion, model', 'soliton, topological', 'sine-Gordon model', 'Thirring model', 'dimension, 2', 'dimension, 3', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006212'] | ['In the present paper we discuss arguments, favouring the view that massive fermions represent dislocations (i.e. topological solitons) in discrete space-time with Burgers vectors, parallel to an axis of time. If to put symmetrical parts of tensors of distortions (i.e. derivatives of atomic displacements on coordinate... | ['2000-06-28'] |
3,054 | ['eng'] | ['Das, S', 'Kaul, R K', 'Majumdar, P'] | ['A new holographic entropy bound from quantum geometry'] | ['Particle Physics - Theory'] | ['statistical mechanics', 'model, spin', 'quantum space', 'entropy', 'holography', 'Chern-Simons term', 'Wess-Zumino-Witten model, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006211'] | ['A new entropy bound, tighter than the standard holographic bound due to Bekenstein, is derived for spacetimes with non-rotating isolated horizons, from the quantum geometry approach in which the horizon is described by the boundary degrees of freedom of a three dimensional Chern Simons theory.'] | ['2000-06-28'] |
3,055 | ['eng'] | ['Landsteiner, K', 'López, E', 'Tytgat, M H G'] | ['Excitations in Hot Non-Commutative Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'finite temperature, high', 'Wess-Zumino model, massless', 'dispersion relations', 'fluctuation, scalar', 'density, finite', 'potential, chemical', 'differential geometry, noncommutative', 'velocity', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006210'] | ['We study the dispersion relation for scalar excitations in supersymmetric, non-commutative theories at finite temperature. In N=4 Yang-Mills the low momenta modes have superluminous group velocity. In the massless Wess-Zumino model the minimum of the dispersion relation is at non zero momentum for temperatures above ... | ['2000-06-28'] |
3,056 | ['eng'] | ['Alvarez-Gaumé, Luís', 'Barbón, José L F'] | ['Non-linear Vacuum Phenomena in Non-commutative QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'field strength, constant', 'dependence, gauge', 'plane wave, background field', 'scattering', 'fermion', 'propagator', 'dispersion relations', 'particle, production', 'effective action', 'differential geometry, noncommutative', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006209'] | ["We show that the classic results of Schwinger on the exact propagation of particles in the background of constant field-strengths and plane waves can be readily extended to the case of non-commutative QED. It is shown that non-perturbative effects on constant backgrounds are the same as their commutative counterparts... | ['2000-06-28'] |
3,057 | ['eng'] | ['Donev, S'] | ['A New Look on the Electromagnetic Duality. Suggestions and Developments'] | ['Particle Physics - Theory'] | ['electromagnetic field', 'duality', 'field equations', 'relativistic', 'nonrelativistic', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006208'] | ['In this paper a new look on the electro-magnetic duality is presented and appropriately exploited. The duality analysis in the nonrelativistic and relativistic formulations is shown to lead to the idea the mathematical model field to be a differential form valued in the 2-dimensional vector space ${\\cal R}^2$. A ful... | ['2000-06-28'] |
3,058 | ['eng'] | ['Woodard, R P'] | ['A Canonical Formalism For Lagrangians With Nonlocality Of Finite Extent'] | ['Particle Physics - Theory'] | ['field theory, nonlocal', 'time', 'Hamiltonian formalism', 'derivative, high', 'oscillator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006207'] | ['I consider Lagrangians which depend nonlocally in time but in such a way that there is no mixing between times differing by more than some finite value $\\Delta t$. By considering these systems as the limits of ever higher derivative theories I obtain a canonical formalism in which the coordinates are the dynamical v... | ['2000-06-28'] |
3,059 | ['eng'] | ['Chruscinski, D'] | ['Quantization conditions from the group theory'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'differential forms', 'duality', 'quantization', 'Hamiltonian formalism', 'group theory, SO(2,1)', 'group theory, SO(1,1) x Z(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006206'] | ['We show that the requirement of the relativistic invariance for any self-interacting, abelian p-form theory uniquely determines the form of the corresponding quantization condition.'] | ['2000-06-28'] |
3,060 | ['eng'] | ['Chakrabarti, J', 'Basu, A', 'Bagchi, B'] | ['Lattice Bosons'] | ['Particle Physics - Theory'] | ['fermion, lattice field theory', 'boson, composite', 'boson, algebra', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006205'] | ['Fermions on the lattice have bosonic excitations generated from the underlying periodic background. These, the lattice bosons, arise near the empty band or when the bands are nearly full. They do not depend on the nature of the interactions and exist for any fermion-fermion coupling. We discuss these lattice boson so... | ['2000-06-28'] |
3,061 | ['eng'] | ['Mayr, Peter'] | ['Stringy World Branes and Exponential Hierarchies'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'supersymmetry, symmetry breaking', 'dimension, 5', 'string model, heterotic', 'M-theory', 'instanton', 'astrophysics, fundamental constant', 'spontaneous compactification', 'duality', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006204'] | ['We describe heterotic string and M-theory realizations of the Randall-Sundrum (RS) scenario with $\\cx N=2$ and $\\cx N=1$ supersymmetry in the bulk. Supersymmetry can be broken only on the world brane, a scenario that has been proposed to account for the smallness of the cosmological constant. An interesting predict... | ['2000-06-27'] |
3,062 | ['eng'] | ['Oda, I'] | ['Localization of Matters on a String-like Defect'] | ['Particle Physics - Theory'] | ['Einstein equation, solution', 'string model', 'defect', 'any-dimensional', 'domain wall', 'spin'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006203'] | ["After presenting string-like solutions with a warp factor to Einstein's equations, we study localization of various spin fields on a string-like defect in a general space-time dimension from the viewpoint of field theory. It is shown that spin 0 and 2 fields are localized on a defect with the exponentially decreasing... | ['2000-06-27'] |
3,063 | ['eng'] | ['Russo, Jorge G', 'Sheikh-Jabbari, S'] | ['On Noncommutative Open String Theories'] | ['Particle Physics - Theory'] | ['string model, open', 'boundary condition', 'quantization, 1', 'Hamiltonian formalism', 'differential geometry, noncommutative', 'Wilson loop', 'supergravity', 'membrane model, D-brane', 'membrane model, p-brane', 'mass spectrum', 'any-dimensional', 'transformation, SL(2,Z)', 'quark antiquark, potential', 'gauge field... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006202'] | ['We investigate new compactifications of OM theory giving rise to a 3+1 dimensional open string theory with noncommutative $x^0$-$x^1$ and $x^2$-$x^3$ coordinates. The theory can be directly obtained by starting with a D3 brane with parallel (near critical) electric and magnetic field components, in the presence of a ... | ['2000-06-27'] |
3,064 | ['eng'] | ['Scrucca, Claudio A', 'Serone, M'] | ['Sigma-model symmetry in orientifold models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'orbifold', 'orientifold', 'anomaly', 'partition function', 'vertex function', 'string model', 'geometry, algebra', 'moduli space', 'factorization', 'fermion', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006201'] | ['We investigate in the simplest compact D=4 N=1 Type IIB orientifold models the sigma-model symmetry suggested by the proposed duality of these models to heterotic orbifold vacua. This symmetry is known to be present at the classical level, and is associated to a composite connection involving untwisted moduli in the ... | ['2000-06-27'] |
3,065 | ['eng'] | ['Germán, G', 'De la Macorra, A', 'Mondragón, M N'] | ['Low-scale supergravity inflation with R-symmetry'] | ['Particle Physics - Theory'] | ['supergravity', 'inflationary universe', 'R parity', 'field theory, scalar', 'temperature'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006200'] | ['We study a supergravity model of inflation with R-symmetry and a single scalar field, the inflaton, slowly rolling away from the origin. The scales of inflation can be as low as the supersymmetry breaking scale of 10^10 GeV or even the electroweak scale of 10^3 GeV which could be relevant in the context of theories w... | ['2000-06-27'] |
3,066 | ['eng'] | ['Markopoulou, F'] | ['An algebraic approach to coarse graining'] | ['Particle Physics - Theory'] | ['block spin transformation', 'renormalization group', 'algebra, Hopf', 'gauge field theory, Z(2)', 'lattice field theory', 'Ising model', 'Potts model', 'spin, foam', 'dimension, 1', 'dimension, 2', 'Feynman graph'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006199'] | ["We propose that Kreimer's method of Feynman diagram renormalization via a Hopf algebra of rooted trees can be fruitfully employed in the analysis of block spin renormalization or coarse graining of inhomogeneous statistical systems. Examples of such systems include spin foam formulations of non-perturbative quantum g... | ['2000-06-27'] |
3,067 | ['eng'] | ['Iorio, A'] | ['Supersymmetric Noether Currents and Seiberg-Witten Theory'] | ['Particle Physics - Theory'] | ['thesis', 'supersymmetry', 'current, conservation law', 'symmetry, spontaneously broken', 'mass spectrum', 'Wess-Zumino model', 'gauge field theory, SU(2)', 'Seiberg-Witten model', 'Hamiltonian formalism', 'central charge', 'operator, algebra', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006198'] | ['A reliable method to construct Supersymmetric Noether currents is presented. As the most important application the central charge of the N=2 Supersymmetric Yang-Mills effective theory, known as Seiberg-Witten (SW) theory, is computed. The analisys is carried out in the SW low energy U(1) effective Sector, as well as ... | ['2000-06-27'] |
3,068 | ['eng'] | ['Doikou, A'] | ['Quantum spin chain with "soliton non-preserving" boundary conditions'] | ['Particle Physics - Theory'] | ['model, spin', 'boundary condition', 'transfer matrix', 'Bethe ansatz', 'integrability', 'monodromy, asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006197'] | ["We consider the case of an integrable quantum spin chain with ``soliton non-preserving'' boundary conditions. This is the first time that such boundary conditions have been considered in the spin chain framework. We construct the transfer matrix of the model, we study its symmetry, and we find explicit expressions fo... | ['2000-06-27'] |
3,069 | ['eng'] | ['Lunin, O', 'Mathur, S D'] | ['Correlation functions for $M^{N}/S_{N}$ orbifolds'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'orbifold', 'path integral', 'correlation function', 'n-point function, 4', 'analytic properties', 'expansion 1/N'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006196'] | ["We develop a method for computing correlation functions of twist operators in the bosonic 2-d CFT arising from orbifolds M^N/S_N, where M is an arbitrary manifold. The path integral with twist operators is replaced by a path integral on a covering space with no operator insertions. Thus, even though the CFT is define... | ['2000-06-27'] |
3,070 | ['eng'] | ['Kokorelis, C E'] | ['Constraint Supersymmetry Breaking and Non-perturbative Effects in String Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'constraint', 'nonperturbative', 'gaugino, condensation', 'duality, SL(2,Z)', 'group theory, modular', 'stability', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006194'] | ['We discuss supersymmetry breaking mechanism at the level of low energy N=1 effective superstring actions that exhibit $SL(2,Z)_T$ target space modular duality or $SL(2,Z)_S$ strong-weak coupling duality. The allowed superpotential forms use the assumption that the sourse of non-perturbative effects is not specified a... | ['2000-06-27'] |
3,071 | ['eng'] | ['Lu, J X', 'Roy, S', 'Singh, H'] | ['((F, D1), D3) bound state, S-duality and noncommutative open string/Yang-Mills theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'string model, open', 'S-duality', 'bound state', 'gauge field theory, Yang-Mills', 'decoupling', 'differential geometry, noncommutative', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006193'] | ['We study decoupling limits and S-dualities for noncommutative open string/ Yang-Mills theory in a gravity setup by considering an $SL(2,Z)$ invariant supergravity solution of the form ((F, D1), D3) bound state of type IIB string theory. This configuration can be regarded as D3-branes with both electric and magnetic f... | ['2000-06-27'] |
3,072 | ['eng'] | ['Kaloper, N', 'Silverstein, E', 'Susskind, Leonard'] | ['Gauge Symmetry and Localized Gravity in M Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'gauge field theory', 'any-dimensional', 'space-time, anti-de Sitter', 'string model', 'effect, screening', 'black hole', 'gravitation', 'dilaton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006192'] | ["We discuss the possibility of having gravity ``localized'' in dimension d in a system where gauge bosons propagate in dimension d+1. In such a circumstance - depending on the rate of falloff of the field strengths in d dimensions - one might expect the gauge symmetry in d+1 dimensions to behave like a global symmetry... | ['2000-06-26'] |
3,073 | ['eng'] | ['Lykken, J D', 'Myers, R C', 'Wang, J'] | ['Gravity in a Box'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 5', 'geometry, background', 'Randall-Sundrum model', 'space-time, anti-de Sitter', 'gravitation', 'dimension, 4', 'string model', 'supersymmetry', 'orbifold', 'symmetry, Z(2)', 'graviton, zero mode', 'graviton, on-shell', 'graviton, production', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006191', 'http://documents.cern.ch/archive/electronic/other/uploader/SUSY2K/wang.ps.gz'] | ["We consider a brane-world construction which incorporates a finite region of flat space, ``the box,'' surrounded by a region of anti-de Sitter space. This hybrid construction provides a framework which interpolates between the scenario proposed by Arkani-Hamed, Dimopoulos and Dvali, and that proposed by Randall and S... | ['2000-06-26'] |
3,074 | ['eng'] | ['Wadia, S R'] | ['Lectures on the Microscopic Modeling of the 5-dim. Black Hole of IIB String Theory and the $D_{1}/D_{5}$ System'] | ['Particle Physics - Theory'] | ['talk, Allahabad 1999/10/18', 'talk, Santiago de Compostela 1999/07/26', 'talk, Isfahan 2000/05/01', 'black hole, horizon', 'dimension, 5', 'quantum mechanics', 'string model', 'membrane model', 'thermodynamics', 'radiation, Hawking', 'supergravity', 'gauge field theory', 'dimension, 2', 'algebra, conformal', 'supersy... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006190'] | ['In these notes we review the theory of the microscopic modeling of the 5-dim. black hole of type IIB string theory in terms of the D1/D5 brane system. The emphasis here is more on the brane dynamics rather than on supergravity solutions. We present a discussion of the low energy brane dynamics and account for black h... | ['2000-06-26'] |
3,075 | ['eng'] | ['Dotti, G'] | ['Higgs Mechanism and Luna Strata in N=1 Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'effect, Higgs', 'topology', 'moduli space', 'fermion, flavor', 'supersymmetry', 'superfield, composite', 'algebra, Lie', 'algebra, representation', 'gauge field theory, SU(N)', 'potential, flat direction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006188'] | ['The classical moduli space M of an N=1 gauge theory with trivial superpotential can be stratified according to the unbroken gauge subgroup at different vacua. We apply known results about this stratification to obtain the W \\neq 0 theory classical moduli space M^W \\subset M, working entirely with the composite gaug... | ['2000-06-26'] |
3,076 | ['eng'] | ['Bagnuls, C', 'Bervillier, C', 'Meiron, D I', 'Nickel, B G'] | ['Addendum-erratum to'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, O(1)', 'critical phenomena', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006187'] | ['This note is intended to emphasize the existence of estimated Feynman integrals in three dimensions for the free energy of the O(1) scalar theory up to five loops which may be useful for other work. We also correct some misprints of the published paper.'] | ['2000-06-26'] |
3,077 | ['eng'] | ['Casteill, P Y', 'Valent, G'] | ['Quantum structure of T-dualized models with symmetry breaking'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'coset space', 'group theory, geometrical', 'duality, transformation', 'perturbation theory, higher-order', 'renormalization group, beta function', 'T-duality', 'torsion', 'symmetry breaking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006186'] | ['We study the principal sigma-models defined on any group manifold GL x GR/GD with breaking of GR, and their T-dual transforms. For abritary breaking we can express the torsion and Ricci tensor of the dual model in terms of the frame geometry of the initial principal model. Using these results, we give necessary and s... | ['2000-06-26'] |
3,078 | ['eng'] | ['Uvarov, D V'] | ['On covariant $\\kappa-$symmetry fixing and the relation betwen the NSR string and the Type II GS superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, transformation', 'superfield, harmonic', 'invariance, Lorentz', 'dimension, 2', 'field equations, solution', 'kappa symmetry', 'embedding'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006185'] | ['By considering the superembedding equation for the Type II superstring we derive the classical relation between the NSR string and the Type II GS superstring Grassmannian variables. The connection between the actions of these two models is also established. Then introducing the proper twistor-like Lorentz harmonic va... | ['2000-06-26'] |
3,079 | ['eng'] | ['Pavsic, M'] | ['A Brane World Model with Intersecting Branes'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time', 'matter', 'embedding', 'quantization, fluctuation', 'gravitation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006184'] | ['A brane world model is investigated, in which there are many branes that may intersect and self intersect. One of the branes, being a 3-brane, represents our spacetime, while the other branes, if they intersect our brane world, manifest themselves as matter in our 3-brane. It is shown that such a matter encompasses d... | ['2000-06-26'] |
3,080 | ['eng'] | ['Bonini, M', 'Tricarico, E'] | ['Fine-tuning and the Wilson renormalization group'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'invariance, Becchi-Rouet-Stora', 'path integral', 'Slavnov identity', 'renormalization group', 'symmetry breaking', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006183'] | ['We use the Wilson renormalization group (RG) formulation to solve the fine-tuning procedure needed in renormalization schemes breaking the gauge symmetry. To illustrate this method we systematically compute the non-invariant couplings of the ultraviolet action of the SU(2) pure Yang-Mills theory at one-loop order.'] | ['2000-06-26'] |
3,081 | ['eng'] | ['Teh, R'] | ['Exact Solutions of the SU(2) Yang-Mills-Higgs Theory'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'gauge field theory, SU(2)', 'Higgs model', 'magnetic monopole', 'flux, magnetic', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006182', 'http://arXiv.org/abs/hep-th/?hep-th/0006182'] | ["Some exact static solutions of the SU(2) Yang-Mills-Higgs theory are presented. These solutions do not satisfy the first order Bogomol'nyi equations, and do not possess finite energy. They are axially symmetric and could possibly represent monopoles and an antimonopole sitting on the z-axis."] | ['2000-06-26'] |
3,082 | ['eng'] | ['Fuchs, J', 'Schweigert, C'] | ['Solitonic sectors, $\\alpha$-induction and symmetry breaking boundaries'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification', 'soliton', 'symmetry breaking', 'boundary condition', 'topology', 'algebra, fusion', 'algebra, representation', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006181'] | ['We develop a systematic approach to boundary conditions that break bulk symmetries in a general way such that left and right movers are not necessarily connected by an automorphism. In the context of string compactifications, such boundary conditions typically include non-BPS branes. Our formalism is based on two dua... | ['2000-06-23'] |
3,083 | ['eng'] | ['Igarashi, Y', 'Itoh, K', 'So, H'] | ['Exact BRS Symmetry realized on the Renormalization Group Flow'] | ['Particle Physics - Theory'] | ['path integral', 'invariance, Becchi-Rouet-Stora', 'renormalization group, transformation', 'master equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006180'] | ['Using the average action defined with a continuum analog of the block spin transformation, we show the presence of gauge symmetry along the Wilsonian renormalization group flow. As a reflection of the gauge symmetry, the average action satisfies the quantum master equation(QME). We show that the quantum part of the m... | ['2000-06-23'] |
3,084 | ['eng'] | ['Kallosh, R', 'Kofman, L A', 'Linde, Andrei D', 'Van Proeyen, A'] | ['Superconformal Symmetry, Supergravity and Cosmology'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'gauge field theory, action', 'coupling, conformal', 'supergravity', 'symmetry, SU(2,2/1)', 'space-time, Robertson-Walker', 'inflationary universe', 'particle, production', 'gravitino, helicity', 'effect, Higgs', 'multiplet, chiral', 'multiplet, vector', 'field theory, scalar', 'approximatio... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006179'] | ['We introduce the general N=1 gauge theory superconformally coupled to supergravity. The theory has local SU(2,2|1) symmetry and no dimensional parameters. The superconformal origin of the Fayet-Iliopoulos terms is clarified. The phase of this theory with spontaneously broken conformal symmetry gives various formulati... | ['2000-06-23'] |
3,085 | ['eng'] | ['Tsou, S T'] | ['Concepts in Gauge Theory Leading to Electric-Magnetic Duality'] | ['Particle Physics - Theory'] | ['lectures, Villa de Leyva 1999/07/12', 'lectures, Oxford 1999', 'gauge field theory, Yang-Mills', 'duality', 'invariance, gauge', 'Aharonov-Bohm effect', 'strong interaction', 'weak interaction', 'fibre bundle', 'holonomy', 'loop space', 'group theory, Lie', 'symmetry breaking', 'magnetic monopole', 'Seiberg-Witten mo... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006178'] | ['Gauge theory, which is the basis of all particle physics, is itself based on a few fundamental concepts, the consequences of which are often as beautiful as they are deep. In this short lecture course I shall try to give an introduction to these concepts, both from the physical and mathematical points of view. Then I... | ['2000-06-23'] |
3,086 | ['eng'] | ['Marnelius, R'] | ['On the quantum BRST structure of classical mechanics'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'path integral', 'invariance, Becchi-Rouet-Stora', 'quantization', 'Hamiltonian formalism', 'operator, algebra', 'group theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006177'] | ['The BRST-antiBRST invariant path integral formulation of classical mechanics of Gozzi et al is generalized to pseudomechanics. It is shown that projections to physical propagators may be obtained by BRST-antiBRST invariant boundary conditions. The formulation is also viewed from recent group theoretical results withi... | ['2000-06-23'] |
3,087 | ['eng'] | ['Bianchi, M', 'Morales, J F'] | ['RG-flows and Open/Closed String Duality'] | ['Particle Physics - Theory'] | ['string model, open', 'string model, closed', 'supersymmetry', 'scattering amplitude, higher-order', 'duality', 'renormalization group, transformation', 'membrane model, D-brane', 'membrane model, p-brane', 'particle, multiplet', 'analytic properties', 'group theory, representation', 'threshold, correction', 'supergra... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006176'] | ["We discuss the interpaly between IR and UV divergences in theories with open and unoriented strings in view of the AdS/CFT correspondence. We start by deriving general formulas for the computation of threshold corrections to gauge couplings in generic configurations with open and unoriented strings. These allow us to... | ['2000-06-23'] |
3,088 | ['eng'] | ['Marnelius, R', 'Sandström, N'] | ['Quantum BRST properties of reparametrization invariant theories'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'invariance, gauge', 'invariance, reparametrization', 'transformation, Becchi-Rouet-Stora', 'phase space', 'wave function', 'cohomology', 'path integral', 'propagator', 'boundary condition', 'ghost', 'particle, relativistic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006175'] | ['Any regular quantum mechanical system may be cast into an abelian gauge theory by simply reformulating it as a reparametrization invariant theory. We present a detailed study of the BRST quantization of such reparametrization invariant theories within a precise operator version of BRST. The treatment elucidates sever... | ['2000-06-23'] |
3,089 | ['eng'] | ['Boldo, J L', 'Sasaki, C A G', 'Sorella, S P', 'Vilar, L C Q'] | ['Vector Supersymmetry of 2D Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 2', 'field theory, Euclidean', 'field theory, tensor', 'field theory, BF', 'supersymmetry, algebra', 'invariance, Becchi-Rouet-Stora', 'Ward identity', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006173'] | ['The vector supersymmetry of the 2D topological BF model is extended to 2D Yang-Mills. The consequences of the corresponding Ward identity on the ultraviolet behavior of the theory are analyzed.'] | ['2000-06-22'] |
3,090 | ['eng'] | ['Damour, Thibault Marie Alban Guillaume', 'Henneaux, M'] | ['Oscillatory Behaviour in Homogeneous String Cosmology Models'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'space-time, Bianchi', 'space-time, Kasner', 'field equations, solution', 'oscillation', 'differential forms', 'supersymmetry', 'M-theory', 'potential, electric', 'chaos', 'stability', 'astrophysics, model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006171'] | ["Some spatially homogeneous Bianchi type I cosmological models filled with homogeneous ``electric'' $p$-form fields are shown to mimic the never-ending oscillatory behaviour of generic string cosmologies established recently. The validity of the ``Kasner-free-flights plus collisions-on-potential-walls'' picture is als... | ['2000-06-22'] |
3,091 | ['eng'] | ['Panza, A', 'Soldati, R'] | ['Infrared singularities in the renormalization group flow of Yang-Mills theories in the axial gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'field theory, Euclidean', 'axial gauge', 'Wilson loop', 'renormalization group, transformation', 'perturbation theory, higher-order', 'infrared problem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006170'] | ["It is shown, by explicit calculation in the axial gauge, that the renormalization group flow for the Wilson's loop in perturbation theory does exhibit singularities and does not eventually reproduce the gauge invariant result, when the infrared cut off is removed."] | ['2000-06-22'] |
3,092 | ['eng'] | ['Zois, I P'] | ['An application of the Godbillon-Vey class in M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'vacuum state', 'differential geometry, noncommutative', 'phase space, Hilbert space', 'partition function', 'operator, Wilson loop', 'K-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006169'] | ['We apply the Godbillon-Vey class to compute the transition amplitudes between some non-commutative solitons in M-Theory; our context is that of Connes-Douglas-Schwarz where they considered compactifications of matrix models on noncommutative tori. Moreover we try to clarify the topological Lagrangian density suggeste... | ['2000-06-22'] |
3,093 | ['eng'] | ['Berenstein, D E', 'Jejjala, V', 'Leigh, Robert G'] | ['Non-Commutative Moduli Spaces and T-duality'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'vacuum state', 'moduli space, deformation', 'differential geometry, noncommutative', 'phase space', 'membrane model', 'field theory, torus'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006168'] | ['We review and extend recent work on the application of the non-commutative geometric framework to an interpretation of the moduli space of vacua of certain deformations of N=4 super Yang-Mills theories. We present a simple worldsheet calculation that reproduces the field theory results and sheds some light on the dyn... | ['2000-06-22'] |
3,094 | ['eng'] | ['Majid, S'] | ['Quantum Groups and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['quantum group', 'differential geometry, noncommutative', 'quantum mechanics', 'operator, algebra', 'lattice field theory', 'integrability', 'braid group', 'fibre bundle', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006167'] | ['Quantum groups emerged in the latter quarter of the 20th century as, on the one hand, a deep and natural generalisation of symmetry groups for certain integrable systems, and on the other as part of a generalisation of geometry itself powerful enough to make sense in the quantum domain. Just as the last century saw t... | ['2000-06-22'] |
3,095 | ['eng'] | ['Majid, S'] | ['Meaning of Noncommutative Geometry and the Planck-Scale Quantum Group'] | ['Particle Physics - Theory'] | ['talk', 'quantum group', 'differential geometry, noncommutative', 'phase space', 'operator, algebra', 'algebra, deformation', 'braid group', 'Riemann surfaces', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006166'] | ["This is an introduction for nonspecialists to the noncommutative geometric approach to Planck scale physics coming out of quantum groups. The canonical role of the `Planck scale quantum group' $C[x]\\bicross C[p]$ and its observable-state T-duality-like properties are explained. The general meaning of noncommutativit... | ['2000-06-22'] |
3,096 | ['eng'] | ['Hoffmann, L', 'Mesref, L', 'Rühl, Werner'] | ['AdS Box Graphs, Unitarity and Operator Product Expansions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'any-dimensional', 'n-point function, 4', 'Feynman graph, higher-order', 'supergravity', 'space-time, anti-de Sitter', 'critical phenomena', 'analytic properties', 'unitarity', 'operator product expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006165'] | ['We develop a method of singularity analysis for conformal graphs which, in particular, is applicable to the holographic image of AdS supergravity theory. It can be used to determine the critical exponents for any such graph in a given channel. These exponents determine the towers of conformal blocks that are exchange... | ['2000-06-22'] |
3,097 | ['eng'] | ['Kim, H C', 'Yee, J H', 'Park, M I'] | ['Open and Closed Universes in Brane-World Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model', 'vacuum state', 'inflationary universe', 'dimension, 5', 'transformation, conformal', 'horizon', 'space-time, Robertson-Walker', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006164'] | ['We find two types [called (S) and (A)] of new vacuum solutions of open, flat, and closed universes which are inflating in the brane-world scenario. We show that the warp factor of the stabilized metric is universal for the three different kinds of universes. For (S) type solution, we show that one positive-tension br... | ['2000-06-22'] |
3,098 | ['eng'] | ['Itoh, T', 'Oh, P'] | ['Higher Derivative CP(N) Model and Quantization of the Induced Chern-Simons Term'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'dimension, 2', 'current, topological', 'Chern-Simons term, induced', 'perturbation theory, higher-order', 'derivative, high', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006163'] | ['We consider higher derivative CP(N) model in 2+1 dimensions with the Wess-Zumino-Witten term and the topological current density squared term. We quantize the theory by using the auxiliary gauge field formulation in the path integral method and prove that the extended model remains renormalizable in the large N limit... | ['2000-06-22'] |
3,099 | ['eng'] | ['Itoh, T', 'Oh, P'] | ['Large N Limit of Higher Derivative Extended CP(N) Model'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'dimension, 2', 'charge, topological', 'field theory, action', 'derivative, high', 'expansion 1/N', 'quantization', 'path integral', 'effective action', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006162'] | ['We construct a fourth-order derivative CP(N) model in 1+1 dimensions by incorporating the topological charge density squared term into the Lagrangian. We quantize the theory by reformulating with auxiliary fields and then performing the path integral explicitly. We discuss the renormalizability in the large N limit a... | ['2000-06-22'] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.