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 |
|---|---|---|---|---|---|---|---|---|
1,700 | ['eng'] | ['Tetradis, N'] | ['On Brane Stabilization and the Cosmological Constant'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'field equations, solution', 'membrane model', 'stability', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012106'] | ['We address the problem of the cosmological constant within the Randall-Sundrum scenario with a brane stabilization mechanism. We consider brane tensions of general form. We examine the conditions under which a small change of the positive tension of the first brane can be absorbed in a small modification of the two-b... | ['2000-12-13'] |
1,701 | ['eng'] | ['Cvetic, M'] | ['Domain Wall World(s)'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'supergravity', 'domain wall', 'dimension, 4', 'dimension, 5', 'gauge field theory', 'fluctuation', 'gravitation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012105'] | ['Gravitational properties of domain walls in fundamental theory and their implications for the trapping of gravity are reviewed. In particular, the difficulties to embed gravity trapping configurations within gauged supergravity is reviewed and the status of the domain walls obtained via the breathing mode of sphere r... | ['2000-12-13'] |
1,702 | ['eng'] | ['Moore, G', 'Peradze, G', 'Saulina, N'] | ['Instabilities in heterotic M-theory induced by open membrane instantons'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'string model, heterotic', 'gauge field theory, E(8) x E(8)', 'field theory, Calabi-Yau', 'effective action', 'supergravity', 'membrane model', 'differential forms, Kaehler', 'group theory, representation', 'moduli space', 'instanton', 'stability', 'critical phenomena', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012104'] | ["We study the effective low energy supergravity of the strongly coupled heterotic string compactified on a Calabi-Yau 3-fold with generic E8 x E8 gauge bundle. We focus on the effective potential for the chiral scalars. The effective superpotential can be studied using the dual 11-dimensional M-theory background invol... | ['2000-12-13'] |
1,703 | ['eng'] | ['Baulieu, L', 'Zwanziger, D'] | ['From stochastic quantization to bulk quantization'] | ['Particle Physics - Theory'] | ['field theory, Euclidean', 'quantization, stochastic', 'Dyson-Schwinger equation', 'field theory, topological', 'S-matrix', 'dimension, 5', 'unitarity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012103'] | ["We extend the framework of stachastic quantization of 4-dimensional Euclidean quantum field theories by defining a path integral in 5 dimensions, where the 5th dimension is a fictitious time. Within the broader framework, that includes Dirac fields, we give a direct proof by means of Schwinger-Dyson equations that a ... | ['2000-12-13'] |
1,704 | ['eng'] | ['Seto, O', 'Kodama, H'] | ['Gravitational waves in cosmological models of Horava-Witten theory'] | ['Particle Physics - Theory'] | ['gravitational radiation', 'back reaction', 'astrophysics, model', 'Horawa-Witten model', 'dimension, 5', 'boundary condition', 'WKB approximation', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012102'] | ['We study the behavior of gravitational waves and their backreaction on the background in cosmological solutions of the five-dimensional Ho\\v{r}ava-Witten theory. As a dynamical background, we consider two cosmological solutions with spatially flat expanding FRW branes, called $(\\uparrow)$- and $(\\downarrow)$-solut... | ['2000-12-13'] |
1,705 | ['eng'] | ['Abdalla, Elcio', 'Correa-Borbonet, L A'] | ['Black Hole entropy by the brick wall method in four and five dimensions with U(1) charges'] | ['Particle Physics - Theory'] | ['membrane model', 'membrane, interaction', 'spontaneous compactification', 'black hole', 'entropy', 'dimension, 4', 'dimension, 5', 'charge, U(1)', 'brick wall model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012101'] | ['Using the brick wall method we compute the statistical entropy of a scalar field in a nontrivial background, in two different cases. These background are generated by four and five dimensional black holes with four and three U(1) charges respectively. The Bekestein entropy formula is generally obeyed, but corrections... | ['2000-12-13'] |
1,706 | ['eng'] | ['Emparan, R', 'Gregory, R', 'Santos, C'] | ['Black holes on thick branes'] | ['Particle Physics - Theory'] | ['membrane model', 'topology, defect', 'black hole', 'field equations, solution', 'thermodynamics', 'domain wall', 'gravitation, back reaction', 'horizon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012100'] | ['The interplay between topological defects (branes) and black holes has been a subject of recent study, motivated in part by interest in brane-world scenarios. In this paper we analyze in detail the description of a black hole bound to a domain wall (a two-brane in four dimensions), for which an exact description in t... | ['2000-12-13'] |
1,707 | ['eng'] | ['Todorov, I G', 'Hadjiivanov, L K'] | ['Monodromy Representations of the Braid Group'] | ['Particle Physics - Theory'] | ['talk, Dubna 2000/07/31', 'field theory, conformal', 'field theory, rational', 'dimension, 2', 'braid group, representation', 'monodromy', 'algebra, Lie', 'Hall effect', 'Knizhnik-Zamolodchikov equation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012099'] | ["Chiral conformal blocks in a rational conformal field theory are a far going extension of Gauss hypergeometric functions. The associated monodromy representations of Artin's braid group capture the essence of the modern view on the subject, which originates in ideas of Riemann and Schwarz. Physically, such monodromy ... | ['2000-12-13'] |
1,708 | ['eng'] | ['Sano, M', 'Uematsu, T'] | ['Nonlinear Realization of Partially Broken N=2 AdS Supersymmetry in Two and Three Dimensions'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 2', 'dimension, 3', 'supersymmetry, symmetry breaking', 'supersymmetry, representation', 'nonlinear', 'superspace', 'coset space', 'effective Lagrangian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012098'] | ['We investigate the nonlinear realization of partially broken $N$=2 global supersymmetry in the D=2 and 3 anti de-Sitter (AdS) space. We particularly study Nambu-Goldstone degrees of freedom for the $N$=2 AdS supersymmetry partially broken down to $N$=1 AdS supersymmetry, where we observe a NG fermion of the broken su... | ['2000-12-13'] |
1,709 | ['eng'] | ['Evans, N'] | ['Renormalization Group Flows In The Deformed AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'string model', 'gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'renormalization group', 'dimension, 10', 'space-time, anti-de Sitter', 'space, S(5)', 'moduli space', 'field equations, solution', 'field theory, conformal', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012097'] | ['In the AdS/CFT correspondence motion in the radial direction of the AdS space is identified with renormalization group flow in the field theory. For the N=4 Yang-Mills theory this motion is trivial. More interesting examples of renormalization group flow occur when the N=4 theory is deformed. Aspects of the flows are... | ['2000-12-13'] |
1,710 | ['eng'] | ['Theis, U'] | ['Nonlinear Vector-Tensor Multiplets Revisited'] | ['Particle Physics - Theory'] | ['supersymmetry, representation', 'multiplet, vector', 'multiplet, tensor', 'field theory, action', 'multiplet, nonlinear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012096'] | ['We give an off-shell formulation of the N=2 supersymmetric new nonlinear vector-tensor multiplet. Interactions arise in this model as a consequence of gauging the central charge of the supersymmetry algebra, which in contrast to previous models with local central charge is achieved without a coupling to a vector mult... | ['2000-12-12'] |
1,711 | ['eng'] | ['Nakawaki, Y', 'McCartor, G'] | ['Extended Hamiltonian Formalism of the Pure Space-Like Axial Gauge Schwinger Model'] | ['Particle Physics - Theory'] | ['Schwinger model', 'axial gauge', 'Hamiltonian formalism', 'temporal gauge', 'infrared problem', 'perturbation theory, higher-order', 'regularization', 'indefinite metric'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012095'] | ["We demonstrate that pure space-like axial gauge quantizations of gauge fields can be constructed in ways which are free from infrared divergences. We begin by constructing an axial gauge formulation in auxiliary coordinates: $x^+=x^0\\sin{\\theta}+x^1\\cos{\\theta}, x^-=x^0\\cos{\\theta}-x^1\\sin{\\theta}$. For \\the... | ['2000-12-12'] |
1,712 | ['eng'] | ['García, J A', 'Pons, J M'] | ['Lagrangian Noether symmetries as canonical transformations'] | ['Particle Physics - Theory'] | ['Lagrangian formalism', 'gauge field theory', 'fibre bundle', 'current, conservation law', 'constraint', 'quantization', 'symmetry, Noether', 'transformation, canonical', 'particle, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012094'] | ['We prove that, given a time-independent Lagrangian defined in the first tangent bundle of configuration space, every infinitesimal Noether symmetry that is defined in the $n$-tangent bundle and is not vanishing on-shell, can be written as a canonical symmetry in an enlarged phase space, up to constraints that vanish ... | ['2000-12-12'] |
1,713 | ['eng'] | ['Hashimoto, A', 'Itzhaki, N'] | ['Traveling Faster than the Speed of Light in Non-Commutative Geometry'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, Yang-Mills', 'membrane model', 'differential geometry, noncommutative', 'photon, velocity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012093'] | ['We study various dynamical aspects of solitons in non-commutative gauge theories and find surprising results. Among them is the observation that the solitons can travel faster than the speed of light for arbitrarily long distances.'] | ['2000-12-12'] |
1,714 | ['eng'] | ['Ambjørn, Jan', 'Makeenko, Y M', 'Semenoff, Gordon W', 'Szabo, R J'] | ['String Theory in Electromagnetic Fields'] | ['Particle Physics - Theory'] | ['review', 'string model', 'supersymmetry', 'electromagnetic field', 'Born-Infeld model', 'vacuum state', 'energy', 'perturbation theory, higher-order', 'path integral', 'scattering', 'membrane model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012092'] | ['A review of various aspects of superstrings in background electromagnetic fields is presented. Topics covered include the Born-Infeld action, spectrum of open strings in background gauge fields, the Schwinger mechanism, finite-temperature formalism and Hagedorn behaviour in external fields, Debye screening, D-brane s... | ['2000-12-12'] |
1,715 | ['eng'] | ['Kim, H D'] | ['A criterion for admissible singularities in brane world'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'space-time, anti-de Sitter', 'any-dimensional', 'boundary condition', 'membrane model', 'singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012091'] | ["When gravity couples to scalar fields in Anti-de Sitter space, the geometry becomes non-AdS and develops singularities generally. We propose a criterion that the singularity is physically admissible if the integral of the on-shell Lagrangian density over the finite range is finite everywhere. For all classes of the s... | ['2000-12-12'] |
1,716 | ['eng'] | ['Ferrari, R', 'Picariello, M', 'Quadri, A'] | ['Algebraic Aspects of the Background Field Method'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dependence, gauge', 'background field', 'transformation, Becchi-Rouet-Stora', 'gauge fixing', 'scattering amplitude', 'path integral', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012090'] | ['We discuss some algebraic properties of the background field method. We introduce an extra gauge-fixing term for the background gauge field right at the beginning in the action in such a way that BRST invariance is preserved. The background effective action is considered and it is shown to satisfy both the Slavnov-Ta... | ['2000-12-12'] |
1,717 | ['eng'] | ['David, J R'] | ['Tachyon condensation using the disc partition function'] | ['Particle Physics - Theory'] | ['field theory, string', 'partition function', 'tachyon, condensation', 'perturbation theory, higher-order', 'correlation function', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012089'] | ['It has been recently proposed that the background independent open superstring field theory action is given by the disc partition function with all possible open string operators inserted at the boundary of the disc. We use this proposal to study tachyon condensation in the D0-D2 system. We evaluate the disc partitio... | ['2000-12-12'] |
1,718 | ['eng'] | ['Cantcheff, M B'] | ['Unified field theory from one-particle physics'] | ['Particle Physics - Theory'] | ['unified field theory', 'space-time, higher-dimensional', 'dimensional reduction', 'gauge field theory', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012088'] | ['This work starts with the observation of a certain "rule" (up to now unexplored) in the fundamental laws of Nature. We show some evidence of this, and formulate it as a fundamental principle which exhibits a number physical consequences. In particular, a new, very simple and extremely aesthetic unified model, which i... | ['2000-12-12'] |
1,719 | ['eng'] | ['Brandt, F T', 'Das, A', 'Frenkel, J'] | ['Absence of higher order corrections to the non-Abelian topological mass term'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Chern-Simons term', 'dimension, 3', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'mass, topological', 'Ward identity', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012087'] | ['We study the Yang-Mills-Chern-Simons theory systematically in an effort to generalize the Coleman-Hill result to the non-Abelian case. We show that, while the Chern-Simons coefficient is in general gauge dependent in a non-Abelian theory, it takes on a physical meaning in the axial gauge. Using the non-Abelian Ward i... | ['2000-12-12'] |
1,720 | ['eng'] | ['Irwin, P W', 'Paranjape, M B'] | ['Topological symmetry breaking and the confinement of anyons'] | ['Particle Physics - Theory'] | ['talk, Lisbon 2000/10/08', 'Higgs model, abelian', 'dimension, 3', 'Chern-Simons term', 'symmetry breaking, topological', 'anyon, confinement', 'instanton', 'vortex, condensation', 'Wilson loop', "'t Hooft loop"] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012086'] | ["We study topological symmetry breaking via the behaviour of Wilson and 't Hooft loop operators for the 2+1 dimenesional Abelian-Higgs model with Chern-Simons term. The topological linking of instantons, which are closed vortex loop configurations, give rise to a long-range, logarithmic, confining potential between el... | ['2000-12-12'] |
1,721 | ['eng'] | ['Malik, R P'] | ['New topological field theories in two dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'field theory, topological', 'transformation, Becchi-Rouet-Stora', 'dimension, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012085'] | ['It is shown that two$(1 + 1)$-dimensional (2D) free Abelian- and self-interacting non-Abelian gauge theories (without any interaction with matter fields) belong to a new class of topological field theories. These new theories capture together some of the key features of Witten- and Schwarz type of topological field t... | ['2000-12-12'] |
1,722 | ['eng'] | ['Kanatchikov, I V'] | ['Precanonical Quantization and the Schrödinger Wave Functional'] | ['Particle Physics - Theory'] | ['quantization', 'Hamiltonian formalism', 'Schroedinger equation', 'wave function', 'field theory, scalar', 'Dirac equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012084'] | ['A relation between the Schroedinger wave functional and the Clifford valued wave function on the space of field and space-time variables, which appears in what we call precanonical quantization of fields and fulfils a Dirac-like wave equation, is discussed. The Schroedinger wave functional is argued to be the trace o... | ['2000-12-12'] |
1,723 | ['eng'] | ['Faber, M', 'Ivanov, A N', 'Troitskaya, N I'] | ['On the path integral representation for Wilson loops and the non-Abelian Stokes theorem, 2'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'path integral', 'Wilson loop', 'energy levels', 'Stokes theorem, nonabelian', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012083'] | ['This paper is a revised version of our recent publication Faber et al., Phys. Rev. D62 (2000) 025019, hep-th/9907048. The main revision concerns the expansion into group characters that we have used for the evaluation of path integrals over gauge degrees of freedom. In the present paper we apply the expansion recomme... | ['2000-12-12'] |
1,724 | ['eng'] | ['Myung, Y S'] | ['Mass generation with Gauss-Bonnet term'] | ['Particle Physics - Theory'] | ['gravitation, action', 'derivative, high', 'graviton, propagator', 'mass generation', 'Gauss-Bonnet term', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012082'] | ['We prove that in anti de Sitter space, there is no van Dam-Veltman-Zakharov discontinuity in the graviton propagator. Here we obtain the mass term of $M^2\\propto \\Lambda^2$ from the Gauss-Bonnet term, which is a ghost-free one. The condition that the massless limit is smooth is automatically satisfied for this case... | ['2000-12-12'] |
1,725 | ['eng'] | ['Kleban, M', 'Lawrence, A', 'Shenker, S'] | ['Closed strings from nothing'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'string, open', 'string, closed', 'membrane model, D-brane', 'stability', 'tachyon', 'scaling', 'flux tube', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012081'] | ["We study the physics of open strings in bosonic and type II string theories in the presence of unstable D-branes. When the potential energy of the open string tachyon is at its minimum, Sen has argued that only closed strings remain in the perturbative spectrum. We explore the scenario of Yi and of Bergman, Hori and ... | ['2000-12-11'] |
1,726 | ['eng'] | ['Arutyunov, G E', 'Frolov, S', 'Theisen, Stefan J', 'Tseytlin, Arkady A'] | ['Tachyon condensation and universality of DBI action'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'Born-Infeld model', 'soliton', 'tachyon, condensation', 'fluctuation', 'effective action', 'sigma model, nonlinear', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012080'] | ['We show that a low-energy action for massless fluctuations around a tachyonic soliton background representing a codimension one D-brane coincides with the Dirac-Born-Infeld action. The scalar modes which describe transverse oscillations of the D-brane are translational collective coordinates of the soliton. The appea... | ['2000-12-11'] |
1,727 | ['eng'] | ['Fiol, B'] | ['The BPS Spectrum of N=2 SU(N) SYM and Parton Branes'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'spectra, BPS', 'membrane model', 'orbifold', 'stability', 'bound state', 'moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012079'] | ["We apply ideas that have appeared in the study of D-branes on Calabi-Yau compactifications to the derivation of the BPS spectrum of field theories. In particular, we identify an orbifold point whose fractional branes can be thought of as ``partons'' of the BPS spectrum of N=2 pure SU(N) SYM. We derive the BPS spectru... | ['2000-12-11'] |
1,728 | ['eng'] | ['Feng, B', 'Hanany, A', 'He, Y H', 'Prezas, N'] | ['Stepwise Projection'] | ['Particle Physics - Theory'] | ['membrane model', 'orbifold, SU(2)', 'group theory, exceptional', 'orbifold, singularity', 'representation, induced'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012078'] | ["The construction of brane setups for the exceptional series E6,E7,E8 of SU(2) orbifolds remains an ever-haunting conundrum. Motivated by techniques in some works by Muto on non-Abelian SU(3) orbifolds, we here provide an algorithmic outlook, a method which we call stepwise projection, that may shed some light on this... | ['2000-12-11'] |
1,729 | ['eng'] | ['Légaré, M'] | ['Noncommutative Generalized NS and Super Matrix KdV Systems from a Noncommutative Version of (Anti-)Self-Dual Yang-Mills Equations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field equations, duality', 'differential geometry, noncommutative', 'dimensional reduction', 'Schroedinger equation, nonlinear', 'Korteweg-de Vries equation', 'coset space, SO(3)/SO(2)', 'supersymmetry', 'conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012077'] | ['A noncommutative version of the (anti-) self-dual Yang-Mills equations is shown to be related via dimensional reductions to noncommutative formulations of the generalized (SO(3)/SO(2)) nonlinear Schrodinger (NS) equations, of the super-Korteweg- de Vries (super-KdV) as well as of the matrix KdV equations. Noncommutat... | ['2000-12-11'] |
1,730 | ['eng'] | ['Brecher, D', 'Chamblin, A', 'Reall, H S'] | ['AdS/CFT in the Infinite Momentum Frame'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'membrane model, p-brane', 'symmetry, Virasoro', 'boundary condition', 'tensor, energy-momentum', 'two-point function', 'diffeomorphism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012076'] | ['This paper considers the spacetimes describing pp-waves propagating on extremal non-dilatonic branes. It is shown that an observer moving along a geodesic will experience infinite curvature at the horizon of the brane. Taking the decoupling limit of these brane-wave spacetimes gives a pp-wave in AdS, the simplest exa... | ['2000-12-11'] |
1,731 | ['eng'] | ['Bonelli, G'] | ['The geometry of the M5-branes and TQFTs'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'partition function', 'spontaneous compactification, torus', 'moduli space', 'dimension, 6', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012075'] | ['The calculation of the partition function for N M5-branes is addressed for the case in which the worldvolume wraps a manifold $T^2\\times M_4$, where $M_4$ is simply connected and Kaehler. This is done in a compactification of M-theory which induces the Vafa-Witten theory on $M_4$ in the limit of vanishing torus volu... | ['2000-12-11'] |
1,732 | ['eng'] | ['Grinstein, B', 'Nolte, D R', 'Skiba, W'] | ['On a Covariant Determination of Mass Scales in Warped Backgrounds'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'mass', 'gravitation, fundamental constant', 'field theory, scalar', 'dimension, 5', 'Kaluza-Klein model', 'hierarchy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012074'] | ['We propose a method of determining masses in brane scenarios which is independent of coordinate transformations. We apply our method to the scenario of Randall and Sundrum (RS) with two branes, which provides a solution to the hierarchy problem. The core of our proposal is the use of covariant equations and expressin... | ['2000-12-11'] |
1,733 | ['eng'] | ['De van Bruck, C', 'Dorca, M'] | ['On Cosmological Perturbations on a Brane in an Anti-de Sitter Bulk'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time, anti-de Sitter', 'dimension, 5', 'graviton', 'Einstein equation', 'perturbation, scalar', 'perturbation, vector', 'perturbation, tensor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012073'] | ['In this paper, we consider cosmological perturbations on a brane universe embedded in an Anti-de Sitter bulk. We use a novel gauge, in which the full five-dimensional problem is in principle solvable. In this gauge we derive the equations for scalar, vector and tensor perturbations. These equations are necessary in o... | ['2000-12-11'] |
1,734 | ['eng'] | ['Costa, M S', 'Gutperle, M'] | ['The Kaluza-Klein Melvin Solution in M-theory'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'M-theory', 'magnetic field', 'spontaneous compactification', 'space-time, decay', 'instanton', 'flux tube', 'stability', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012072'] | ["We study some aspects of the Kaluza-Klein Melvin solution in M-theory. The associated magnetic field has a maximal critical value $B=\\pm 1/R$ where $R$ is the radius of the compactification circle. It is argued that the Melvin background of type IIA with magnetic field $B$ and of type 0A with magnetic field $B'=B-1/... | ['2000-12-11'] |
1,735 | ['eng'] | ['Dudas, E A', 'Mourad, J'] | ['Consistent gravitino couplings in non-supersymmetric strings'] | ['Particle Physics - Theory'] | ['string model', 'gravitino, coupling', 'dimension, 10', 'effective Lagrangian', 'supergravity', 'supersymmetry, nonlinear', 'gauge field theory, USp(32)', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012071'] | ['The massless spectrum of the ten dimensional USp(32) type I string has an N=1 supergravity multiplet coupled to non-supersymmetric matter. This raises the question of the consistency of the gravitino interactions. We resolve this apparent puzzle by arguing for the existence of a local supersymmetry which is non-linea... | ['2000-12-11'] |
1,736 | ['eng'] | ['Henningson, M'] | ['Commutation relations for surface operators in six-dimensional (2, 0) theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'commutation relations', 'gauge field theory, SU(N)', 'spontaneous compactification, torus', 'operator, surface', 'dimension, 6', 'multiplet, tensor', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012070'] | ["The A_{N - 1} (2, 0) superconformal theory has an observable associated with every two-cycle in six dimensions. We make a natural guess for the commutation relations of these operators, which reduces to the commutation relations of Wilson and 't Hooft lines in four-dimensional SU(N) N = 4 super Yang-Mills theory upon... | ['2000-12-11'] |
1,737 | ['eng'] | ['Reuter, M'] | ["Newton's Constant isn't constant"] | ['Particle Physics - Theory'] | ['talk, Tbilisi 2000/09/04', 'gravitation, fundamental constant', 'fundamental constant, fine structure', 'Einstein equation', 'renormalization group, fixed point', 'quantum gravity', 'black hole', 'radiation, Hawking', 'horizon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012069'] | ["This article contains a brief pedagogical introduction to various renormalization group related aspects of quantum gravity with an emphasis on the scale dependence of Newton's constant and on black hole physics."] | ['2000-12-11'] |
1,738 | ['eng'] | ['Brodie, J H'] | ['D-branes in Massive IIA and Solitons in Chern-Simons Theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supergravity', 'Chern-Simons term', 'soliton', 'any-dimensional', 'anyon', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012068'] | ["We investigate D2-branes, D4-branes, and D6-branes parallel to D8-branes. The low energy world volume theory on the branes is non-supersymmetric Chern-Simons theory. We identify the fundamental strings as the anyons of the 2+1 Chern-Simons theory and the D0-branes as solitons. The Chern-Simons theory with a boundary ... | ['2000-12-11'] |
1,739 | ['eng'] | ['Monteiro del Cima, O', 'Piguet, O', 'Sarandy, M S'] | ['Finiteness of PST self-dual models'] | ['Particle Physics - Theory'] | ['Pasti-Sorokin-Tonin model', 'duality', 'dimension, 2', 'dimension, 4', 'dimension, 6', 'renormalization, algebra', 'anomaly', 'field theory, finite'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012067'] | ['The Pasti-Sorokin-Tonin model for describing chiral forms is considered at the quantum level. We study the ultraviolet and infrared behaviour of the model in two, four and six dimensions in the framework of algebraic renormalization. The absence of anomalies, as well as the finiteness, up to non-physical renormalizat... | ['2000-12-11'] |
1,740 | ['eng'] | ['Czerhoniak, P'] | ['Force in Kappa-Deformed Relativistic Dynamics'] | ['Particle Physics - Theory'] | ['algebra, Poincare', 'algebra, deformation', 'quantum mechanics', 'velocity, energy dependence', 'kinematics', 'forces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012066'] | ['We consider the physical implications of various choices of the three-momentum basis in the kappa-deformed Poincare algebra. In particular, we find that the energy dependence of the velocity of a kappa-particle leads to unexpected features in kappa-deformed kinematics. We also discuss the notion of kappa-deformed dyn... | ['2000-12-11'] |
1,741 | ['eng'] | ['Rozali, M', 'Van Raamsdonk, M'] | ['Gauge Invariant Correlators in Non-Commutative Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'correlation function', 'supergravity', 'gauge field theory, U(N)', 'Wilson loop', 'expansion 1/N', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012065'] | ['Using perturbation theory, we explore the universal high momentum behavior of correlation functions of gauge invariant operators in planar noncommutative gauge theories. We find that the correlation functions are strongly enhanced when pairs of momenta become antiparallel. In particular, there is a transition from th... | ['2000-12-11'] |
1,742 | ['eng'] | ['Khoudeir, A'] | ['A Note About Localized Photons on the Brane'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'dimension, 3-5', 'Randall-Sundrum model', 'dimensional reduction', 'field theory, vector', 'photon, confinement', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012064'] | ['We show how to obtain the Maxwell action on the brane through a Randall-Sundrum dimentional reduction. Also,the self dual and the topologically massive actions for vectors in three dimensions can be obtained from Randall-Sundrum dimentional reduction.'] | ['2000-12-08'] |
1,743 | ['eng'] | ['Roberts, M D'] | ['Second Variations of String Actions'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'action', 'differential equations', 'boson, string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012063'] | ["A short article describing the derivation of the string deviation equation: $\\dot{\\Pi}^\\nu_\\tau+\\Pi'^\\mu_\\sigma=R^\\nu_{.\\alpha\\beta\\gamma}r^\\gamma (P^\\beta_\\tau\\dot{x}^\\alpha+P^\\beta_\\sigma x'^\\alpha)$."] | ['2000-12-08'] |
1,744 | ['eng'] | ['Roberts, M D'] | ['Vacuum Energy'] | ['Particle Physics - Theory'] | ['review, Luderitz 2000/11/13', 'vacuum state, energy', 'energy, Casimir', 'effect, long-range', 'astrophysics, fundamental constant', 'effect, short-range', 'relativity theory, equivalence principle', 'quantum electrodynamics', 'quantum chromodynamics', 'string model', 'supersymmetry', 'vortex', 'soliton', 'instanton'... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012062'] | ["There appears to be three, perhaps related, ways of approaching the nature of vacuum energy . The first is to say that it is just the lowest energy state of a given, usually quantum, system. The second is to equate vacuum energy with the Casimir energy. The third is to note that an energy difference from a complete v... | ['2000-12-08'] |
1,745 | ['eng'] | ['Anagnostopoulos, K N', 'Nishimura, J', 'Olesen, P'] | ['Noncommutative String Worldsheets from Matrix Models'] | ['Particle Physics - Theory'] | ['string model', 'geometry, noncommutative', 'matrix model', 'gauge field theory, SU(N)', 'diffeomorphism', 'gauge fixing', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012061'] | ['We study dynamical effects of introducing noncommutativity on string worldsheets by using a matrix model obtained from the zero-volume limit of four-dimensional SU(N) Yang-Mills theory. Although the dimensionless noncommutativity parameter is of order 1/N, its effect is found to be non-negligible even in the large N ... | ['2000-12-08'] |
1,746 | ['eng'] | ['Kostelecky, V A', 'Lehnert, R'] | ['Stability, Causality, and Lorentz and CPT Violation'] | ['Particle Physics - Theory'] | ['field theory', 'quantum mechanics, relativistic', 'symmetry breaking, Lorentz', 'violation, CPT', 'stability', 'causality', 'dispersion relations', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012060'] | ['Stability and causality are investigated for quantum field theories incorporating Lorentz and CPT violation. Explicit calculations in the quadratic sector of a general renormalizable lagrangian for a massive fermion reveal that no difficulty arises for low energies if the parameters controlling the breaking are small... | ['2000-12-08'] |
1,747 | ['eng'] | ['Galtsov, D V', 'Dyadichev, V V'] | ['D-branes and vacuum periodicity'] | ['Particle Physics - Theory'] | ['talk, Kiev 2000/09/24', 'membrane model, D-brane', 'M-theory', 'string model', 'supersymmetry', 'gauge field theory, SU(2)', 'vacuum state', 'magnetic monopole', 'differential geometry, noncommutative', 'B, model', 'sphaleron'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012059'] | ['The superstring/M-theory suggests the Born-Infeld type modification of the classical gauge field lagrangian. We discuss how this changes topological issues related to vacuum periodicity in the SU(2) theory in four spacetime dimensions. A new feature, which is due to the breaking of scale invariance by the non-Abelian... | ['2000-12-08'] |
1,748 | ['eng'] | ['Pintér, G'] | ['The Hopf Algebra Structure of Connes and Kreimer in Epstein-Glaser Renormalization'] | ['Particle Physics - Theory'] | ['renormalization', 'algebra, Hopf', 'field theory, scalar', 'Feynman graph'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012057'] | ['We show how the Hopf algebra structure of renormalization discovered by Kreimer can be found in the Epstein-Glaser framework without using an analogue of the forest formula of Zimmermann.'] | ['2000-12-08'] |
1,749 | ['eng'] | ['Kosinski, P', 'Lukierski, J', 'Maslanka, P'] | ['Noncommutative Parameters of Quantum Symmetries and Star Products'] | ['Particle Physics - Theory'] | ['talk, Dubna 2000/07/31', 'space-time, noncommutative', 'field theory, nonlocal', 'group theory, Poincare', 'group theory, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012056'] | ["The star product technique translates the framework of local fields on noncommutative space-time into nonlocal fields on standard space-time. We consider the example of fields on $\\kappa$- deformed Minkowski space, transforming under $\\kappa$-deformed Poincar\\'{e} group with noncommutative parameters. By extending... | ['2000-12-08'] |
1,750 | ['eng'] | ['Kim, H', 'Yoon, Y'] | ['Instanton-Meron Hybrid in the Background of Gravitational Instantons'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, Yang-Mills', 'instanton', 'meron', 'space-time', 'topology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012055'] | ['When it comes to the topological aspects, gravity may have profound effects even at the level of particle physics despite its negligibly small relative strength well below the Planck scale. In spite of this intriguing possibility, relatively little attempt has been made toward the exhibition of this phenomenon in rel... | ['2000-12-08'] |
1,751 | ['eng'] | ['Witten, Edward'] | ['BPS Bound States Of D0-D6 And D0-D8 Systems In A B-Field'] | ['Particle Physics - Theory'] | ['bound state, BPS', 'membrane model', 'spontaneous compactification', 'string model', 'gauge field theory, Yang-Mills', 'gauge field theory, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012054'] | ['The D0-D6 system, which is not supersymmetric in the absence of a Neveu-Schwarz B-field, becomes supersymmetric if a suitable constant B-field is turned on. On one side of the supersymmetric locus, this system has a BPS bound state, and on the other side it does not. After compactification on T^6, this gives a simple... | ['2000-12-08'] |
1,752 | ['eng'] | ['Hamada, K'] | ['Integrability and Scheme-Independence of Even Dimensional Quantum Geometry Effective Action'] | ['Particle Physics - Theory'] | ['effective action', 'geometry', 'anomaly, conformal', 'integrability', 'diffeomorphism, invariance', 'dimension, 4', 'dimension, 6', 'dimension, 2', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012053'] | ['We investigate how the integrability conditions for conformal anomalies constrain the form of the effective action of even dimensional quantum geometry. We show that the effective action of 4DQG satisfying the integrability has a manifestly diffeomorphism invariant and regularization scheme independent form. We then ... | ['2000-12-08'] |
1,753 | ['eng'] | ['Bousso, R'] | ['Bekenstein bounds in de Sitter and flat space'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'entropy', 'black hole', 'space-time, higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012052'] | ['The D-bound on the entropy of matter systems in de Sitter space is shown to be closely related to the Bekenstein bound, which applies in a flat background. This holds in arbitrary dimensions if the Bekenstein bound is calibrated by a classical Geroch process. We discuss the relation of these bounds to the more genera... | ['2000-12-08'] |
1,754 | ['eng'] | ['Lozano, E', 'Ortín, Tomas'] | ['7-branes and Higher Kaluza-Klein Branes'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'membrane model', 'duality', 'dimension, 10', 'dimension, 11', 'mass', 'spinor, Killing', 'sigma model', 'M-theory', 'supersymmetry', 'group theory, modular', 'coset space, SL(2,R)/SO(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012051'] | ['We study a new chain of 10-dimensional T-duality related solutions and their 11-dimensional parents whose existence had been predicted in the literature based in U duality requirements in 4 dimensions. The first link in this chain is the S-dual of the D7-brane. The next link has 6 spatial worldvolume dimensions, it i... | ['2000-12-08'] |
1,755 | ['eng'] | ['Berenstein, D E', 'Jejjala, V', 'Leigh, Robert G'] | ['D-branes on Singularities'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'orbifold', 'torsion, discrete', 'group theory, geometrical', 'group theory, SU(3)', 'group theory, representation', 'group theory, quiver', 'singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012050'] | ['In this paper we present simplifying techniques which allow one to compute the quiver diagrams for various D-branes at (non-Abelian) orbifold singularities with and without discrete torsion. The main idea behind the construction is to take the orbifold of an orbifold. Many interesting discrete groups fit into an exac... | ['2000-12-08'] |
1,756 | ['eng'] | ['Iglesias, A', 'Kakushadze, Z'] | ['Time-like Extra Dimensions without Tachyons or Ghosts'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 3', 'dimension, >4', 'space-time, signature', 'field equations, solution', 'soliton', 'gravitation', 'tachyon', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012049'] | ['Some time ago Dvali, Gabadadze and Senjanovic (hep-ph/9910207) discussed brane world scenarios with time-like extra dimensions. In this paper we construct a solitonic 3-brane solution in the 5-dimensional Einstein-Hilbert-Gauss-Bonnet theory with the space-time signature (-,+,+,+,-). The direction transverse to the b... | ['2000-12-07'] |
1,757 | ['eng'] | ['Balbinot, R', 'Fabbri, A', 'Frolov, V', 'Nicolini, P', 'Sutton, P', 'Zelnikov, A I'] | ['Vacuum polarization in the Schwarzschild spacetime and dimensional reduction'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massless', 'gravitation', 'space-time, Schwarzschild', 'dimensional reduction', 'dimension, 4', 'dimension, 2', 'tensor, energy-momentum', 'quantization', 'vacuum polarization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012048'] | ['A massless scalar field minimally coupled to gravity and propagating in the Schwarzschild spacetime is considered. After dimensional reduction under spherical symmetry the resulting 2D field theory is canonically quantized and the renormalized expectation values $< T_{ab}>$ of the relevant energy-momentum tensor oper... | ['2000-12-07'] |
1,758 | ['eng'] | ['Schweigert, C'] | ['D-branes in group manifolds and flux stabilization'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'membrane model, D-brane', 'group theory, geometrical', 'Born-Infeld model', 'string model, open', 'fluctuation', 'field theory, conformal', 'flux, U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012045'] | ['We consider D-branes in group manifolds, from the point of view of open strings and using the Born-Infeld action on the brane worldvolume. D-branes correspond to certain integral (twined) conjugacy classes. We explain the integrality condition on the conjugacy classes in both approaches. In the Born-Infeld descriptio... | ['2000-12-07'] |
1,759 | ['eng'] | ['Langlois, D', 'Maartens, R', 'Sasaki, M', 'Wands, D'] | ['Large-scale cosmological perturbations on the brane'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'space-time, perturbation', 'dimension, 5', 'cosmic radiation, anisotropy', 'tensor, Weyl', 'Einstein equation, solution', 'energy, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012044'] | ['In brane-world cosmologies of Randall-Sundrum type, we show that evolution of large-scale curvature perturbations may be determined on the brane, without solving the bulk perturbation equations. The influence of the bulk gravitational field on the brane is felt through a projected Weyl tensor which behaves effectivel... | ['2000-12-07'] |
1,760 | ['eng'] | ['Nittoh, K'] | ['Consistency of the Hybrid Regularization with Higher Covariant Derivative and Infinitely Many Pauli-Villars'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'perturbation theory, higher-order', 'regularization, dependence', 'renormalization group'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012043'] | ["We study the regularization and renormalization of the Yang-Mills theory in the framework of the manifestly invariant formalism, which consists of a higher covariant derivative with an infinitely many Pauli-Villars fields.Unphysical logarithmic divergence, which is the problematic point on the Slavnov's method, does ... | ['2000-12-07'] |
1,761 | ['eng'] | ['Berglund, P', 'Hübsch, T', 'Minic, D'] | ['Probing Naked Singularities in Non-supersymmetric String Vacua'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'boundary condition', 'membrane model', 'astrophysics, model', 'field equations, solution', 'F-theory', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012042'] | ['We present a detailed analysis of non-supersymmetric spacetime varying string vacua which can lead to an exponential hierarchy between the electroweak and the gravitational scales. In particular, we identify a limit in which these vacua can be interpreted as supersymmetric vacua of F-theory. Furthermore, we study the... | ['2000-12-06'] |
1,762 | ['eng'] | ['Aganagic, M', 'Vafa, C'] | ['Mirror Symmetry, D-Branes and Counting Holomorphic Discs'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, Calabi-Yau', 'symmetry, mirror', 'potential, superpotential', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012041'] | ['We consider a class of special Lagrangian subspaces of Calabi-Yau manifolds and identify their mirrors, using the recent derivation of mirror symmetry, as certain holomorphic varieties of the mirror geometry. This transforms the counting of holomorphic disc instantons ending on the Lagrangian submanifold to the class... | ['2000-12-06'] |
1,763 | ['eng'] | ['Gomberoff, A'] | ['On group averaging for non-compact groups'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'group theory', 'quantization', 'operator, algebra', 'superselection rule', 'regularization', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012040'] | ["We review some aspects of the use of a technique known as group averaging, which provides a tool for the study of constrained systems. We focus our attention on the case where the gauge group is non-compact, and a `renormalized' group averaging method must be introduced. We discuss the connection between superselecti... | ['2000-12-06'] |
1,764 | ['eng'] | ['Nascimento, J R S', 'Ribeiro, R F', 'Svaiter, N F'] | ['Radiatively Induced Lorentz and CPT Violation in QED at Finite Temperature'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'symmetry breaking, Lorentz', 'symmetry breaking, CPT', 'perturbation theory, higher-order', 'path integral', 'effective action', 'fermion, determinant', 'expansion, derivative', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012039'] | ['In this paper we evaluate the induced Lorentz and CPT violating Chern-Simons term in the QED action at finite temperature. We do this using the method of derivative expansion of fermion determinants. Also, we use the imaginary-time formalism to calculate the temperature dependence of the Chern-Simons term'] | ['2000-12-06'] |
1,765 | ['eng'] | ['Casahorrán, J'] | ['Nonperturbative contributions in quantum-mechanical models'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'quantum mechanics', 'path integral, Euclidean', 'path integral, determinant', 'instanton', 'dilute gas approximation', 'regularization, zeta function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012038'] | ['We review the euclidean path-integral formalism in connection with the one-dimensional non-relativistic particle. The configurations which allow to construct a semiclassical approximation classify themselves into either topological (instantons) and non-topological (bounces) solutions. While the instantons dominate th... | ['2000-12-06'] |
1,766 | ['eng'] | ['Horowitz, Gary T', 'Susskind, Leonard'] | ['Bosonic M Theory'] | ['Particle Physics - Theory'] | ['M-theory, boson', 'approximation, strong coupling', 'string model', 'tachyon', 'membrane model', 'duality', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012037'] | ['We conjecture that there exists a strong coupling limit of bosonic string theory which is related to the 26 dimensional theory in the same way that 11 dimensional M theory is related to superstring theory. More precisely, we believe that bosonic string theory is the compactification on a line interval of a 27 dimensi... | ['2000-12-06'] |
1,767 | ['eng'] | ['Cantcheff, M B'] | ['Generalized geometries and kinematics for Quantum Gravity'] | ['Particle Physics - Theory'] | ['unified field theory', 'axiomatic field theory', 'operator, algebra', 'wave function', 'membrane model, p-brane', 'quantum gravity', 'kinematics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012036'] | ['The main objetive /proposal of this work Our proposal here is to set up the conceptual framework for an eventual {Theory of Everything}. We formulate the arena -language- to build up {\\it any} QG. In particular, we show how the objects of fundamental theories, such as p-branes (strings, loops and others) could be po... | ['2000-12-06'] |
1,768 | ['eng'] | ['Frau, M', 'Liccardo, A', 'Musto, R'] | ['The Geometry of Fractional Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane, fractional', 'phase space', 'boundary condition', 'effective action', 'supergravity', 'dimension, 10'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012035'] | ['By looking at fractional Dp-branes of type IIA on T_4/Z_2 as wrapped branes and by using boundary state techniques we construct the effective low-energy action for the fields generated by fractional branes, build their world-volume action and find the corresponding classical geometry. The explicit form of the classic... | ['2000-12-06'] |
1,769 | ['eng'] | ['Papadopoulos, G', 'Tseytlin, Arkady A'] | ['Complex geometry of conifolds and 5-brane wrapped on 2-sphere'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'field equations, solution', 'supersymmetry, symmetry breaking', 'conifold', 'field theory, Calabi-Yau', 'field theory, deformation', 'differential forms, Kaehler', 'potential, superpotential', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012034'] | ['We investigate solutions of type II supergravity which have the product R^4 x M^6 structure with non-compact M^6 factor and which preserve at least four supersymmetries. In particular, we consider various conifolds and the N=1 supersymmetric NS5-brane wrapped on 2-sphere solution recently discussed in hep-th/0008001.... | ['2000-12-06'] |
1,770 | ['eng'] | ['Ponton, E', 'Poppitz, E R'] | ['Gravity localization on string-like defects in codimension two and the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'astrophysics, string', 'gravitation, local', 'orbifold, singularity', 'supergravity', 'Randall-Sundrum model', 'Kaluza-Klein model', 'mass, gap'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012033'] | ["We study the localization of gravity on string-like defects in codimension two. We point out that the gravity-localizing `local cosmic string' spacetime has an orbifold singularity at the horizon. The supergravity embedding and the AdS/CFT correspondence suggest ways to resolve the singularity. We find two resolution... | ['2000-12-06'] |
1,771 | ['eng'] | ['Alonso-Alberca, N', 'Meessen, P', 'Ortín, Tomas'] | ['An Sl(3,R) multiplet of 8-dimensional type II supergravity theories and the gauged supergravity inside'] | ['Particle Physics - Theory'] | ['supergravity, massive', 'dimension, 8', 'gauge field theory, SO(3)', 'dimension, 11', 'dimensional reduction', 'Kaluza-Klein model', 'vacuum state', 'symmetry, SL(3,Z)', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012032'] | ["The so-called ``massive 11-dimensional supergravity'' theory gives, for one Killing vector, Romans' massive 10-dimensional supergravity in 10 dimensions, for two Killing vectors an Sl(2,Z) multiplet of massive 9-dimensional supergravity theories that can be obtained by standard generalized dimensional reduction type ... | ['2000-12-06'] |
1,772 | ['eng'] | ['Pasipoularides, P'] | ['Fermion-induced effective action in the presence of a static inhomogeneous magnetic field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'dimension, 4', 'effective action', 'magnetic field, static', 'magnetic field, stability', 'energy', 'expansion, derivative', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012031'] | ['We develop an approach for the numerical calculation of the fermion-induced effective action in the presence of a static inhomogeneous magnetic field for both 3+1 and 2+1 dimensional QED. The magnetic field is assumed to be cylindrically symmetric and to tend rapidly to zero outside a cylinder of radius d. We discuss... | ['2000-12-06'] |
1,773 | ['eng'] | ['Förste, S'] | ['Fine-Tuning of the Cosmological Constant in Brane Worlds'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'astrophysics, fundamental constant', 'membrane model', 'Randall-Sundrum model', 'spontaneous compactification'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012029'] | ['We discuss how the fine-tuning of the cosmological constant enters brane world setups. After presenting the Randall Sundrum model as a prototype case, we focus on single brane models with curvature singularities which are separated from the brane in the additional dimension. Finally, the issue of the existence of nea... | ['2000-12-06'] |
1,774 | ['eng'] | ['Carmona, J M', 'Cortés, J L'] | ['Infrared and ultraviolet cutoffs of quantum field theory'] | ['Particle Physics - Theory'] | ['quantum gravity', 'asymptotic behavior', 'infrared problem', 'fluctuation', 'entropy', 'dimension, >4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012028'] | ['Quantum gravity arguments and the entropy bound for effective field theories proposed in PRL 82, 4971 (1999) lead to consider two correlated scales which parametrize departures from relativistic quantum field theory at low and high energies. A simple estimate of their possible phenomenological implications leads to i... | ['2000-12-06'] |
1,775 | ['eng'] | ['Sun, W M', 'Chen, X S', 'Wang, F'] | ['Some Problems Concerning Interchange of Order of Integration in Functional Integral Formalism of U(1) Gauge Field Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'path integral', 'correlation function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012027'] | ['We show that in the functional integral formalism of U(1) gauge field theory some formal manipulation such as interchange of order of integration can yield erroneous results. The example studied is analysed by Fubini theorem.'] | ['2000-12-06'] |
1,776 | ['eng'] | ['Metsaev, R R'] | ['On manifest SU(4) invariant superstring action in AdS(5) x S(5)'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'supersymmetry, algebra', 'space-time, anti-de Sitter', 'space-time, S(5)', 'dimension, 10', 'invariance, SU(4) x SL(2,C)', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012026'] | ['We discuss manifestly SL(2,C)x SU(4) and kappa invariant superstring action in AdS(5) x S(5) background in the framework of Green-Schwarz formulation. The action is formulated in terms of 16 Poincare fermionic coordinates which through AdS/CFT correspondence should represent N=4 SYM superspace and 16 superconformal f... | ['2000-12-05'] |
1,777 | ['eng'] | ['Maldacena, J M', 'Maoz, L'] | ['De-singularization by rotation'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field equations, solution', 'supergravity', 'soliton, BPS', 'Wilson loop', 'field theory, anti-de Sitter', 'field theory, conformal', 'graviton', 'angular momentum', 'Chern-Simons term', 'singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012025'] | ['We consider certain BPS supergravity solutions of string theory which have singularities and we show that the singularity goes away when we add angular momentum. These smooth solutions enable us to obtain {\\it global} $AdS_3$ as the near horizon geometry of a BPS brane system in an asymptotically flat space.'] | ['2000-12-05'] |
1,778 | ['eng'] | ['Martín, C P', 'Sánchez-Ruiz, D'] | ['The BRS invariance of noncommutative U(N) Yang-Mills theory at the one-loop level'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'differential geometry, noncommutative', 'invariance, Becchi-Rouet-Stora', 'n-point function', 'perturbation theory, higher-order', 'renormalization', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012024'] | ['We show that U(N) Yang-Mills theory on noncommutative Minkowski space-time can be renormalized, in a BRS invariant way, at the one-loop level, by multiplicative dimensional renormalization of its coupling constant, its gauge parameter and its fields. It is shown that the Slavnov-Taylor equation, the gauge-fixing equa... | ['2000-12-05'] |
1,779 | ['eng'] | ['Klishevich, S M', 'Plyushchay, M S'] | ['Nonlinear Supersymmetry, Quantum Anomaly and Quasi-Exactly Solvable Systems'] | ['Particle Physics - Theory'] | ['dimension, 1', 'supersymmetry, nonlinear', 'quantization', 'anomaly', 'integrability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012023'] | ["The nonlinear supersymmetry of one-dimensional systems is investigated in the context of the quantum anomaly problem. Any classical supersymmetric system characterized by the nonlinear in the Hamiltonian superalgebra is symplectomorphic to a supersymmetric canonical system with the holomorphic form of the supercharge... | ['2000-12-05'] |
1,780 | ['eng'] | ['Cantini, L', 'Menotti, P', 'Seminara, D'] | ['Hamiltonian Approach To 2+1 Dimensional Gravity'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'gravitation', 'dimension, 3', 'Hamiltonian formalism', 'algebra, Virasoro', 'conservation law', 'particle, relativistic', 'asymptotic behavior', 'boundary condition', 'diffeomorphism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012022'] | ["It is shown that the reduced particle dynamics of 2+1 dimensional gravity in the maximally slicing gauge is of hamiltonian nature. We give the exact diffeomorphism which transforms the expression of the spinning cone geometry in the Deser, Jackiw, 't Hooft gauge to the maximally slicing gauge. It is explicitly shown ... | ['2000-12-05'] |
1,781 | ['eng'] | ['Schrör, B'] | ['Braided Structure in 4-dimensional conformal Quantum Field Theory'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'field theory, conformal', 'operator, algebra', 'braid group'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012021'] | ['Higher dimensional conformal QFT possesses an interesting braided structure which, different from the d=1+1 models, is restricted to the timelike region and therefore easily escapes euclidean action methods. It lies behind the spectrum of anomalous dimensions which may be viewed as a kind of substitute for a missing ... | ['2000-12-05'] |
1,782 | ['eng'] | ['Page, D N'] | ['Thermodynamics of Near-Extreme Black Holes'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/09/10', 'black hole, charge', 'thermodynamics', 'black hole, excited state', 'approximation, quasiclassical', 'radiation, Hawking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012020'] | ['The thermodynamics of nearly-extreme charged black holes depends upon the number of ground states at fixed large charge and upon the distribution of excited energy states. Here three possibilities are examined: (1) Ground state highly degenerate (as suggested by the large semiclassical Hawking entropy of an extreme R... | ['2000-12-05'] |
1,783 | ['eng'] | ['Fabbri, A', 'Navarro, D J', 'Navarro-Salas, J'] | ['Evaporation of charged black holes near extremality'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'black hole, charge', 'back reaction', 'dimension, 2', 'black hole, radiation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012019'] | ['The AdS_2\\timesS^2 geometry of near-extremal Reissner-Nordstrom black holes can be described by an effective solvable model which allows to follow analitically the evaporation process including the backreaction. We find that an infinite amount of time is required for the black hole to decay to extremality.'] | ['2000-12-05'] |
1,784 | ['eng'] | ['Bytsko, A G'] | ['Singularities of the Seiberg-Witten map'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'effective action', 'field theory, tensor', 'gauge field theory, Yang-Mills', 'supersymmetry', 'Seiberg-Witten model', 'field theory, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012018'] | ['We construct an explicit solution of the Seiberg-Witten map for a linear gauge field on the non-commutative plane. We observe that this solution as well as the solution for a constant curvature diverge when the non-commutativity parameter theta reaches certain event horizon in the theta-space. This implies that an or... | ['2000-12-05'] |
1,785 | ['eng'] | ['Fabbri, A', 'Navarro, D J', 'Navarro-Salas, J'] | ['Complementarity, Hawking radiation and the information loss problem for evaporating near-extremal black holes'] | ['Particle Physics - Theory'] | ['black hole, Reissner-Nordstroem', 'radiation, Hawking', 'back reaction', 'information theory', 'space-time, anti-de Sitter', 'dimension, 2', 'Einstein-Maxwell equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012017'] | ['Based on the idea of black hole complementarity we investigate the effects of gravitational backreaction for the late time Hawking radiation of evaporating near-extremal black holes. This problem can be studied within the framework of an effective one-loop solvable model on AdS_2. We find that the Hawking flux goes d... | ['2000-12-05'] |
1,786 | ['eng'] | ['Eyras, E', 'Townsend, P K', 'Zamaklar, M'] | ['The Heterotic Dyonic Instanton'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Higgs model', 'instanton, heterotic', 'dyon', 'supersymmetry', 'angular momentum', 'differential forms', 'approximation, weak field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012016'] | ['The static Yang-Mills-Higgs dyonic instanton is shown to have a non-vanishing, but self-dual, angular momentum 2-form; it is then generalized to a new 1/4 supersymmetric, non-singular, stationary, exact solution of the ten-dimensional supergravity/Yang-Mills theory.'] | ['2000-12-05'] |
1,787 | ['eng'] | ['Dadhich, N K', 'Banerjee, N'] | ['Global monopoles and scalar fields as the electrogravity dual of Schwarzschild spacetime'] | ['Particle Physics - Theory'] | ['monopole', 'field theory, scalar', 'massless', 'coupling, minimal', 'space-time, Schwarzschild', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012015'] | ['We prove that both global monopole and minimally coupled static zero mass scalar field are electrogravity dual of the Schwarzschild solution or flat space and they share the same equation of state, $T^0_0 - T^i_i = 0$. This property was however known for the global monopole spacetime while it is for the first time be... | ['2000-12-05'] |
1,788 | ['eng'] | ['Deser, Stanley D', 'Waldron, A K'] | ['(Dis)continuities of Massless Limits in Spin 3/2-mediated Interactions and Cosmological Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'spin, 2', 'spin, 3/2', 'approximation, massless', 'Rarita-Schwinger equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012014'] | ["We extend to its spin 3/2 supersymmetric partner the very recent demonstration that the massless limit of massive spin 2 exchange amplitudes can be made continuous in background AdS spaces. (It was shown long ago for both systems that discontinuities are unavoidable for the massless limit in flat backgrounds.) In an ... | ['2000-12-05'] |
1,789 | ['eng'] | ['Oda, I'] | ['Localization of Bulk Fields on AdS_4 Brane in AdS_5'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'dimension, 5', 'dimension, 4', 'field theory, scalar', 'fermion', 'Kaluza-Klein model', 'Randall-Sundrum model', 'membrane model', 'zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012013'] | ["We study the localization of various bulk fields on an $AdS_4$ brane in $AdS_5$. In this case, for a small brane cosmological constant, all the bulk fields ranging from scalar to graviton are naturally confined to the brane only through the gravitational interaction. In particular, for the vector field we can find an... | ['2000-12-05'] |
1,790 | ['eng'] | ['Glazek, S D'] | ['Dynamics of Effective Gluons'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'quantization, light front', 'Hamiltonian formalism', 'renormalization group', 'gluon, vertex function', 'perturbation theory, higher-order', 'regularization', 'form factor', 'asymptotic freedom'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012012'] | ["Renormalized Hamiltonians for gluons are constructed using a perturbative boost-invariant renormalization group procedure for effective particles in light-front QCD, including terms up to third order. The effective gluons and their Hamiltonians depend on the renormalization group parameter lambda, which defines the w... | ['2000-12-05'] |
1,791 | ['eng'] | ['Cvetic, M', 'Gibbons, G W', 'Lu, H', 'Pope, C N'] | ['Ricci-flat Metrics, Harmonic Forms and Brane Resolutions'] | ['Particle Physics - Theory'] | ['fibre bundle, S(N)', 'differential geometry', 'topology', 'differential forms, harmonic', 'potential, superpotential', 'membrane model, fractional', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012011'] | ['We discuss the geometry and topology of the complete, non-compact, Ricci-flat Stenzel metric, on the tangent bundle of S^{n+1}. We obtain explicit results for all the metrics, and show how they can be obtained from first-order equations derivable from a superpotential. We then provide an explicit construction for the... | ['2000-12-05'] |
1,792 | ['eng'] | ['Kulik, B', 'Roiban, R'] | ['T-duality of the Green-Schwarz superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'duality, transformation', 'supergravity', 'constraint', 'T-duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012010'] | ['We study T-duality in the Green-Schwarz formalism to all orders in superspace coordinates. We find two analogs of Buscher rules for the supervielbein and clarify their meaning from the superstring point of view. The transformation rules for the dilaton, spin 1/2 fermions and Ramond-Ramond superfields are also derived... | ['2000-12-20'] |
1,793 | ['eng'] | ['Zanon, D'] | ['Noncommutative ${\\cal N}=1,2$ super U(N) Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry, superspace', 'differential geometry, noncommutative', 'background field', 'perturbation theory, higher-order', 'n-point function, 3', 'n-point function, 4', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012009'] | ['Noncommutative ${\\cal N}=1$ and ${\\cal N}=2$ supersymmetric Yang-Mills theories with gauge group U(N) are studied here using the background field method and superspace background covariant D-algebra in perturbation theory. At one loop divergences arise only in the two-point functions. They are logarithmic UV/IR div... | ['2000-12-20'] |
1,794 | ['eng'] | ['Moore, G'] | ['Some Comments on Branes, G-flux, and K-theory'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'membrane model', 'string model', 'supersymmetry', 'partition function', 'tachyon', 'K-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012007'] | ['This is a summary of a talk at Strings2000 explaining three ways in which string theory and M-theory are related to the mathematics of K-theory.'] | ['2000-12-20'] |
1,795 | ['eng'] | ['Thorn, C B'] | ['A Six Vertex Model on a Fishnet'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'matrix model', 'model, vertex', 'charge, U(1)', 'statistical mechanics, continuum limit', 'transfer matrix', 'analytic properties', 'lattice field theory', 'continuum limit'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012006'] | ["The flow of U(1) charge through dense fishnet diagrams, in a non-hermitian matrix scalar field theory g_1Tr(\\Sigma^\\dagger\\Sigma)^2 + 2g_1vTr\\Sigma^{\\dagger 2}\\Sigma^2, is described by a 6-vertex model on a ``diamond'' lattice [1]. We give a direct calculation of the continuum properties of the 6-vertex model o... | ['2000-12-20'] |
1,796 | ['eng'] | ['Swanson, M S'] | ['Path Integral Quantization of Dual Abelian Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'duality', 'field theory, tensor', 'magnetic monopole', 'quantization', 'path integral', 'photon, propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012005'] | ['The path integral for 3+1 abelian gauge theory is rewritten in terms of a real antisymmetric field allowing a dual action that couples the electric and magnetic currents to the photon and each other in a gauge invariant manner. Standard perturbative abelian quantum electrodynamics reemerges when the monopole current ... | ['2000-12-20'] |
1,797 | ['eng'] | ['Bruckmann, F'] | ['Pointlike Hopf defects in Abelian projections'] | ['Particle Physics - Theory'] | ['talk, Lisbon 2000/10/08', 'gauge field theory, SU(2)', 'Higgs model', 'topology, defect', 'transformation, Hopf', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012004'] | ['We present a new kind of defect in Abelian Projections, stemming from pointlike zeros of second order. The corresponding topological quantity is the Hopf invariant pi_3(S^2) (rather than the winding number pi_2(S^2) for magnetic monopoles). We give a visualisation of this quantity and discuss the simplest non-trivial... | ['2000-12-20'] |
1,798 | ['eng'] | ['Boulanger, N', 'Gualtieri, L'] | ['An Exotic Theory of Massless Spin-Two Fields in Three Dimensions'] | ['Particle Physics - Theory'] | ['dimension, 3', 'field theory, tensor', 'spin, 2', 'field theory, massless', 'transformation, gauge', 'cohomology', 'field theory, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012003'] | ['It is a general belief that the only possible way to consistently deform the Pauli-Fierz action, changing also the gauge algebra, is general relativity. Here we show that a different type of deformation exists in three dimensions if one allows for PT non-invariant terms. The new gauge algebra is different from that o... | ['2000-12-20'] |
1,799 | ['eng'] | ['Znojil, M'] | ['Annihilation and creation operators in non-Hermitian supersymmetric quantum mechanics'] | ['Particle Physics - Theory'] | ['talk, Bratislava 2000', 'quantum mechanics', 'supersymmetry', 'analytic properties', 'operator, algebra', 'model, oscillator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012002'] | ['Harmonic oscillators with a centrifugal spike are analysed, via a non-Hermitian regularization, within a complexified SUSY quantum mechanics. The formalism enables us to construct the factorized creation and annihilation operators. We show how the real though, generically, non-equidistant spectrum complies with the c... | ['2000-12-20'] |
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