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 |
|---|---|---|---|---|---|---|---|---|
3,600 | ['eng'] | ['Keurentjes, A'] | ['Orientifolds and twisted boundary conditions'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'orientifold', 'gauge field theory, U(N)', 'boundary condition', 'field theory, torus', 'group theory, symplectic', 'group theory, geometrical'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004073'] | ['It is argued that the T-dual of a crosscap is a combination of an O+ and an O- orientifold plane. Various theories with crosscaps and D-branes are interpreted as gauge-theories on tori obeying twisted boundary conditions. Their duals live on orientifolds where the various orientifold planes are of different types. We... | ['2000-04-12'] |
3,601 | ['eng'] | ['Ho, P M', 'Li, M'] | ['Fuzzy Spheres in AdS/CFT Correspondence and Holography from Noncommutativity'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'sphere, fuzzy', 'angular momentum', 'entropy', 'differential geometry, noncommutative', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004072'] | ['We show that the existent fuzzy S^2 and S^4 models are natural candidates for the quantum geometry on the corresponding spheres in AdS/CFT correspondence. These models fit nicely the data from the dipole mechanism for the stringy exclusion principle. In the AdS_2 X S^2 case, we show that a wrapped fractional membrane... | ['2000-04-12'] |
3,602 | ['eng'] | ['Bichl, Andreas A', 'Grimstrup, J M', 'Putz, V', 'Schweda, Manfred'] | ['Perturbative Chern-Simons Theory on Noncommutative $R^{3}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'dimension, 3', 'Chern-Simons term', 'invariance, Becchi-Rouet-Stora', 'field theory, deformation', 'ghost', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004071'] | ['A U(N) Chern-Simons theory on noncommutative $\\mathbb{R}^{3}$ is constructed as a $\\q$-deformed field theory. The model is characterized by two symmetries: the BRST-symmetry and the topological linear vector supersymmetry. It is shown that the theory is finite and $\\q_{\\m\\n}$-independent at the one loop level an... | ['2000-04-12'] |
3,603 | ['eng'] | ['Gregori, A'] | ['Type IIB orbifolds with D5-branes and their string duals'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'spontaneous compactification, torus', 'partition function', 'duality, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004070'] | ['We consider Z2, freely acting orbifolds of the type IIB string with 16 parallel D5-branes. When the string is compactified on T2 X T4 and the D5-branes are wrapped on T2, these systems possess N=2 supersymmetry, originating from the spontaneous, partial breaking of N=4. Extended supersymmetry allows us to investigate... | ['2000-04-12'] |
3,604 | ['eng'] | ['Matsuyama, T', 'Nagahiro, H'] | ['Dynamical Mass and Parity Condensate in Varying Topological Mass'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'fermion, condensation', 'Chern-Simons term', 'mass generation', 'mass, topological', 'propagator', 'perturbation theory, higher-order', 'Dyson-Schwinger equation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004069'] | ['We investigate how a dynamical mass of a fermion is affected by a topological mass of a gauge field in a Maxwell-Chern-Simons $QED_3$ coupled with a two-component fermion. The dynamical mass and also a parity condensate are estimated by using a non-perturbative Schwinger-Dyson method. In particular, we study a limit ... | ['2000-04-12'] |
3,605 | ['eng'] | ['Johnson, C V'] | ['Enhancons, Fuzzy Spheres and Multi-Monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'expansion 1/N', 'string model', 'membrane model, D-brane', 'sphere, fuzzy', 'monopole, BPS', 'moduli space', 'geometry', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004068'] | ["We study the `enhancon', a spherical hypersurface apparently made of D-branes, which arises in string theory studies of large N SU(N) pure gauge theories with eight supercharges. A relation to charge N BPS multi-monopoles is exploited to uncover many of its detailed properties. It is simply a spherical slice through ... | ['2000-04-12'] |
3,606 | ['eng'] | ['Mukohyama, S'] | ['Gauge-invariant gravitational perturbations of maximally symmetric spacetimes'] | ['Particle Physics - Theory'] | ['gravitation, perturbation', 'space-time, anti-de Sitter', 'field theory, conformal', 'fluctuation', 'invariance, gauge', 'master equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004067'] | ['Gravitational perturbations of anti-deSitter spacetime play important roles in AdS/CFT correspondence and the brane world scenario. In this paper, we develop a gauge-invariant formalism of gravitational perturbations of maximally symmetric spacetimes including anti-deSitter spacetime. Existence of scalar-type master ... | ['2000-04-11'] |
3,607 | ['eng'] | ['Feigin, B L', 'Semikhatov, A M', 'Tipunin, I Y'] | ['A Semi-Infinite Construction of Unitary N = 2 Modules'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry', 'algebra, Virasoro', 'algebra, representation', 'algebra, fusion', 'operator, differential', 'Riemann surfaces', 'functional analysis'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004066'] | ["We show that each unitary representation of the N=2 superVirasoro algebra can be realized in terms of ``collective excitations'' over a filled Dirac sea of fermionic operators satisfying a generalized exclusion principle. These are semi-infinite forms in the modes of one of the fermionic currents. The constraints imp... | ['2000-04-11'] |
3,608 | ['eng'] | ['Pilch, K', 'Warner, N P'] | ['N = 2 Supersymmetric RG Flows and the IIB Dilaton'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'dimension, 5', 'gauge field theory', 'field theory, dilaton', 'renormalization group, transformation', 'field equations, solution', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004063'] | ['We show that there is a non-trivial relationship between the dilaton of IIB supergravity, and the coset of scalar fields in five-dimensional, gauged N=8 supergravity. This has important consequences for the running of the gauge coupling in massive perturbations of the AdS/CFT correspondence. We conjecture an exact an... | ['2000-04-11'] |
3,609 | ['eng'] | ['Sochichiu, C'] | ['M[any] Vacua of IIB'] | ['Particle Physics - Theory'] | ['M-theory', 'supersymmetry', 'matrix model', 'gauge field theory, SU(N)', 'field equations, solution', 'vacuum state', 'fluctuation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004062'] | ['Description of the spectrum of fluctuations around a commutative vacuum solution, as well as around a solution with degenerate commutator in IIB matrix model is given in terms of supersymmetric Yang-Mills (YM) model. We construct explicitly the map and study the dependence of the spectrum and respective YM model on t... | ['2000-04-11'] |
3,610 | ['eng'] | ['Haggi-Mani, P', 'Lindström, U', 'Zabzine, M'] | ['Boundary Conditions, Supersymmetry and A-field Coupling for an Open String in a B-field Background'] | ['Particle Physics - Theory'] | ['string model, open', 'supersymmetry', 'boundary condition', 'space-time', 'sigma model, nonlinear', 'field theory, tensor', 'quantization, 1', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004061'] | ['We discuss the non-linear sigma model representing a NSR open string in a curved background with non-zero $B_{\\mu\\nu}$-field. With this coupling the theory is not automatically supersymmetric, due to boundary contributions. When B=0 supersymmetry is ensured by the conditions that follow as the boundary contribution... | ['2000-04-11'] |
3,611 | ['eng'] | ['Bijtebier, J'] | ['3D reduction of the N-body Bethe-Salpeter equation'] | ['Particle Physics - Theory'] | ['bound state, (2fermion)', 'Bethe-Salpeter equation', 'dimensional reduction', 'dimension, 3', 'potential', 'many-body problem', 'bound state, (3fermion)', 'photon, exchange', 'propagator', 'quantum electrodynamics', 'model, spectator', 'Feynman graph', 'Coulomb gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004060'] | ["We perform a 3D reduction of the two-fermion Bethe-Salpeter equation, by series expansion around a positive-energy instantaneous approximation of the Bethe-Salpeter kernel, followed by another series expansion at the 3D level in order to get a manifestly hermitian 3D potential. It turns out that this potential does n... | ['2000-04-11'] |
3,612 | ['eng'] | ['Borsanyi, S', 'Patkós, András', 'Polonyi, J', 'Szép, Z'] | ['Fate of the classical false vacuum'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 3', 'vacuum state, stability', 'vacuum state, bubble', 'lattice field theory', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004059'] | ['Thermalisation of configurations with initial white noise power spectrum is studied in numerical simulations of a one-component $\\Phi^4$ theory in 2+1 dimensions, coupled to a small amplitude homogenous external field. The study is performed for energy densities corresponding to the broken symmetry phase of the syst... | ['2000-04-11'] |
3,613 | ['eng'] | ['Bonelli, G', 'Boyarski, A M'] | ['Six Dimensional Topological Gravity and the Cosmological Constant Problem'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 6', 'gauge field theory, SO(3,3)', 'field theory, topological', 'differential forms', 'coupling, matter', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004058'] | ['We formulate a topological theory in six dimensions with gauge group SO(3,3) which reduces to gravity on a four dimensional defect if suitable boundary conditions are chosen. In such a framework we implement the reflection automorphism of SO(3,3) as a $\\Z2$ symmetry which forbids the appearance of a gravitational co... | ['2000-04-11'] |
3,614 | ['eng'] | ['Dvali, G'] | ['Cosmological Constant and Fermi-Bose Degeneracy'] | ['Particle Physics - Theory'] | ['magnetic monopole, background field', 'supersymmetry, symmetry breaking', 'any-dimensional', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004057'] | ['We study some cases in D=4 and in infinite-volume high dimensional theories when unbroken supersymmetry in the vacuum cannot guarantee Fermi-Bose degeneracy among excited states. In 4D we consider an example in which both supersymmetry and $R$ symmetry are unbroken in the vacuum, and the cosmological constant vanishe... | ['2000-04-11'] |
3,615 | ['eng'] | ['Barcelo, C', 'Visser, M'] | ['Living on the edge'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'astrophysics, model', 'Randall-Sundrum model', 'space-time, anti-de Sitter', 'boundary condition', 'gravitation', 'perturbation theory', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004056'] | ['We sketch a particularly simple and compelling version of D-brane cosmology. Inspired by the semi-phenomenological Randall--Sundrum models, and their cosmological generalizations, we develop a variant that contains a single (3+1)-dimensional D-brane which is located on the boundary of a single bulk (4+1)-dimensional ... | ['2000-04-10'] |
3,616 | ['eng'] | ['Irvine, S E', 'Walton, M A'] | ['Schubert Calculus and Threshold Polynomials of Affine Fusion'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'algebra, affine', 'algebra, representation', 'algebra, fusion', 'algebra, Hecke', 'algebra, deformation', 'Yang-Baxter equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004055'] | ['We show how the threshold level of affine fusion, the fusion of Wess-Zumino-Witten (WZW) conformal field theories, fits into the Schubert calculus introduced by Gepner. The Pieri rule can be modified in a simple way to include the threshold level, so that calculations may be done for all (non-negative integer) levels... | ['2000-04-10'] |
3,617 | ['eng'] | ['Irwin, P W'] | ['Radiation from SU(3) monopole scattering'] | ['Particle Physics - Theory'] | ['magnetic monopole, SU(3)', 'radiation', 'magnetic monopole, scattering', 'energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004054'] | ['The energy radiated during the scattering of SU(3) monopoles is estimated as a function of their asymptotic velocity v. In a typical scattering process the total energy radiated is of order v^3 as opposed to v^5 for SU(2) monopoles. For charge (1,1) monopoles the dipole radiation produced is estimated for all geodesi... | ['2000-04-10'] |
3,618 | ['eng'] | ['Alonso-Izquierdo, A', 'González-Leon, M A', 'Mateos-Guilarte, J'] | ['Invariants in Supersymmetric Classical Mechanics'] | ['Particle Physics - Theory'] | ['talk, Medina del Campo 1999/09/23', 'mechanics, classical', 'supersymmetry', 'Hamiltonian formalism', 'field theory, Liouville'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004053'] | ['The bosonic second invariant of SuperLiouville models in supersymmetric classical mechanics is described.'] | ['2000-04-10'] |
3,619 | ['eng'] | ['Bailin, David', 'Kraniotis, G V', 'Love, A'] | ['CP violation including universal one-loop corrections and heterotic M-theory'] | ['Particle Physics - Theory'] | ['violation, CP', 'M-theory, heterotic', 'supersymmetry, symmetry breaking', 'spontaneous compactification, orbifold', 'perturbation theory, higher-order', 'effective potential', 'gaugino, condensation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004052', 'http://documents.cern.ch/archive/electronic/other/uploader/SUSY2K/kraniotis.ps.gz'] | ['CP violation by soft supersymmetry-breaking terms in orbifold compactifications is investigated. We include the universal part of the moduli-dependent threshold corrections in the construction of the non-perturbative effective potential due to gaugino-condensation. This allows interpolation of the magnitude of CP vio... | ['2000-04-10'] |
3,620 | ['eng'] | ['Scandurra, M'] | ['Vacuum energy of a massive scalar field in the presence of a semi-transparent cylinder'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, massive', 'background field', 'symmetry, axial', 'energy, vacuum state', 'analytic properties', 'asymptotic expansion', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004051'] | ['We compute the ground state energy of a massive scalar field in the background of a cylindrical shell whose potential is given by a delta function. The zero point energy is expressed in terms of the Jost function of the related scattering problem, the renormalization is performed with the help of the heat kernel expa... | ['2000-04-10'] |
3,621 | ['eng'] | ['Burkardt, M'] | ['Fermions on the Light-Front'] | ['Particle Physics - Theory'] | ['talk, Adelaide 1999/12/13', 'fermion', 'quantization, light front', 'current, conservation law', 'invariance, parity', 'meson, form factor', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004050'] | ['Issues that are specific for formulating fermions in light-cone quantization are discussed. Special emphasis is put on the use of parity invariance in the non-perturbative renormalization of light-cone Hamiltonians.'] | ['2000-04-10'] |
3,622 | ['eng'] | ['Bekaert, X', 'Henneaux, M', 'Sevrin, A'] | ['Chiral forms and their deformations'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'differential forms, chiral', 'interaction', 'field theory, deformation', 'invariance, Becchi-Rouet-Stora', 'ghost', 'cohomology', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004049'] | ['We systematically study deformations of chiral forms with applications to string theory in mind. To first order in the coupling constant, this problem can be translated into the calculation of the local BRST cohomological group at ghost number zero. We completely solve this cohomology and present detailed proofs of r... | ['2000-04-10'] |
3,623 | ['eng'] | ['Blasi, A', 'Lemes, V E R', 'Maggiore, N', 'Sorella, S P', 'Tanzini, A', 'Ventura, O S', 'Vilar, L C Q'] | ['Perturbative $\\beta$ Function of N = 2 Super Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'renormalization group, beta function', 'perturbation theory, higher-order', 'transformation, Becchi-Rouet-Stora', 'field theory, finite'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004048'] | ['An algebraic proof of the nonrenormalization theorem for the perturbative beta function of the coupling constant of N=2 Super Yang-Mills theory is provided. The proof relies on a fundamental relationship between the N=2 Yang-Mills action and the local gauge invariant polynomial Tr phi^2, phi(x) being the scalar field... | ['2000-04-10'] |
3,624 | ['eng'] | ['Bizdadea, C', 'Constantin, A', 'Saliu, S O'] | ['Note on irreducible approach to reducible second-class constraints'] | ['Particle Physics - Theory'] | ['gauge field theory', 'quantization, constraint', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004047'] | ['An irreducible canonical approach to reducible second-class constraints is given. The procedure is illustrated on gauge-fixed two-forms.'] | ['2000-04-10'] |
3,625 | ['eng'] | ['Bizdadea, C', 'Cioroianu, E M', 'Saliu, S O'] | ['Irreducible Hamiltonian BRST symmetry for reducible first-class systems'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'field theory, tensor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004046'] | ['An irreducible Hamiltonian BRST quantization method for reducible first-class systems is proposed. The general theory is illustrated on a two-stage reducible model, the link with the standard reducible BRST treatment being also emphasized.'] | ['2000-04-10'] |
3,626 | ['eng'] | ['Ansoldi, S', 'Aurilia, A', 'Marinatto, L', 'Spallucci, E'] | ['p-Branes Electric-Magnetic Duality and Stückelberg/Higgs Mechanism'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, electric', 'p-brane, magnetic', 'p-brane, interaction', 'field theory, action', 'boundary condition', 'path integral', 'invariance, gauge', 'Higgs model', 'duality, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004044'] | ['We study the vacuum functional for a system of p-branes interacting with Maxwell fields of higher rank. This system represents a generalization of the usual electrodynamics of point particles, with one essential difference: namely, that the world-history of a p-brane, due to the spatial extension of the object, may p... | ['2000-04-10'] |
3,627 | ['eng'] | ['Brihaye, Y', 'Lubo, M'] | ['Classical solutions of the Gravitating Abelian Higgs Model'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, U(1)', 'Higgs model, abelian', 'field equations, solution', 'symmetry, axial', 'asymptotic behavior', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004043'] | ['We consider the classical equations of the gravitating Abelian-Higgs model in an axially symmetric ansatz. More properties of the solutions of these equations (the Melvin and the sting branches) are presented. These solutions are also constructed for winding numbers N=2. It is shown that these vortices exist in attra... | ['2000-04-10'] |
3,628 | ['eng'] | ['Ishibashi, N', 'Iso, S', 'Kawai, H', 'Kitazawa, Y'] | ['String Scale in Noncommutative Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'supergravity', 'background field', 'field theory, Euclidean', 'graviton, exchange', 'string model', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004038'] | ["We identify the effective string scale of noncommutative Yang-Mills theory (NCYM) with the noncommutativity scale through its dual supergravity description. We argue that Newton's force law may be obtained with 4 dimensional NCYM with maximal SUSY. It provides a nonperturbative compactification mechanism of IIB matri... | ['2000-04-07'] |
3,629 | ['eng'] | ['Cadoni, M', 'Colacino, C N'] | ['Thermodynamical Behaviour of Composite Stringy Black Holes'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'field equations, solution', 'black hole, composite', 'thermodynamics', 'geometry', 'scaling', 'space-time, anti-de Sitter', 'dimension, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004037'] | ['We study the thermodynamical and geometrical behaviour of the black holes that arise as solutions of the heterotic string action. We discuss the near-horizon scaling behaviour of the solutions that are described by two-dimensional Anti-de Sitter Space AdS(2). We find that finite-energy excitations of AdS(2) are suppr... | ['2000-04-07'] |
3,630 | ['eng'] | ['Alekseev, A', 'Polychronakos, A P', 'Smedbäck, M'] | ['On area and entropy of a black hole'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'quantum gravity', 'gauge field theory, SU(2)', 'temperature, Hagedorn'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004036'] | ["We consider a model of a black hole consisting of a number of elementary components. Examples of such models occur in the Ashtekar's approach to canonical Quantum Gravity and in M-theory. We show that treating the elementary components as completely distinguishable leads to the area law for the black hole entropy. Co... | ['2000-04-07'] |
3,631 | ['eng'] | ['Van den Broeck, C'] | ['On static mirrors interacting with an electromagnetic vacuum'] | ['Particle Physics - Theory'] | ['electromagnetic field', 'boundary condition', 'mirror, static', 'tensor, energy-momentum', 'forces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004035'] | ['It is shown that well-known expressions for the dominant contributions to the energy-momentum expectation value near curved reflecting boundaries lead to net vacuum forces on isolated bodies, also in the case of imperfect reflectivity. This result raises several questions concerning the usual description of vacuum ef... | ['2000-04-07'] |
3,632 | ['eng'] | ['Kuzmichev, V E', 'Kuzmichev, V V'] | ['Three Field Dynamics in (1+1)-dimensions'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'effective potential', 'field equations, soliton', 'potential, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004034'] | ['In a model of nonlinear system of three scalar fields the problem on dynamics of a massive particle moving in effective potential provided by two relativistic fields is solving. The potentials for these fields are chosen in the form of anti-Higgs and Higgs potentials. It is shown that the effective potential has the ... | ['2000-04-07'] |
3,633 | ['eng'] | ['Kuzmichev, V E', 'Kuzmichev, V V'] | ['Confinement in a Model with Condensate of the Scalar Field'] | ['Particle Physics - Theory'] | ['confinement', 'field theory, scalar', 'interaction, nonlinear', 'effective potential', 'hadron, lifetime', 'Higgs particle, mass', 'condensation, scalar', 'tunneling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004033'] | ["The idea of ``soft'' confinement when the lifetime of hadron with respect to quark-gluon channel of decay is greater or at least of the order of some characteristic time for our Universe is considered. Within the framework of a model of three nonlinearly interacting fields the explicit form of an effective potential ... | ['2000-04-07'] |
3,634 | ['eng'] | ['Plyushchay, M S'] | ['Monopole Chern-Simons Term'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'electromagnetic field', 'magnetic monopole', 'Chern-Simons term', 'spin', 'Hamiltonian formalism', 'conservation law', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004032'] | ['The topological nature of Chern-Simons term describing the interaction of a charge with magnetic monopole is manifested in two ways: it changes the plane dynamical geometry of a free particle for the cone dynamical geometry without distorting the free (geodesic) character of the motion, and in the limit of zero charg... | ['2000-04-07'] |
3,635 | ['eng'] | ['Corley, S'] | ['A Note On Holographic Ward Identities'] | ['Particle Physics - Theory'] | ['Ward identity', 'holography', 'field theory, conformal', 'space-time, anti-de Sitter', 'supergravity', 'constraint', 'duality', 'gauge field theory, SO(N)', 'string model', 'diffeomorphism, invariance'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004030'] | ['In this note we show how Ward identities may be derived for a quantum field theory dual of a string theory using the AdS/CFT correspondence. In particular associated with any gauge symmetry of the bulk supergravity theory there is a corresponding constraint equation. Writing this constraint in Hamilton-Jacobi form gi... | ['2000-04-06'] |
3,636 | ['eng'] | ['Pilo, L', 'Rattazzi, Riccardo', 'Zaffaroni, A'] | ['The Fate of the Radion in Models with Metastable Graviton'] | ['Particle Physics - Theory'] | ['gravitation', 'radion', 'membrane model', 'graviton', 'effective action', 'energy', 'dimension, 5', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004028'] | ['We clarify some general issues in models where gravity is localized at intermediate distances. We introduce the radion mode, which is usually neglected, and we point out that its role in the model is crucial. We show that the brane bending effects discussed in the literature can be obtained in a formalism where the p... | ['2000-04-06'] |
3,637 | ['eng'] | ['Fabbri, A', 'Navarro, D J', 'Navarro-Salas, J'] | ['Evaporation of near-extremal Reissner-Nordstrom black holes'] | ['Particle Physics - Theory'] | ['black hole, Reissner-Nordstroem', 'Einstein-Maxwell equation', 'radiation, Hawking', 'back reaction', 'quantum mechanics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004027'] | ['The formation of near-extremal Reissner-Nordstrom black holes in the S-wave approximation can be described, near the event horizon, by an effective solvable model. The corresponding one-loop quantum theory remains solvable and allows to follow analytically the evaporation process. We find that a near-extremal black h... | ['2000-04-06'] |
3,638 | ['eng'] | ['Bassetto, A', 'Griguolo, L', 'Vian, Federica'] | ['Light-front vacuum and instantons in two dimensions'] | ['Particle Physics - Theory'] | ['talk, Adelaide 1999/12/13', 'gauge field theory, U(N)', 'dimension, 2', 'instanton', 'quantization, light front', 'Wilson loop', 'perturbation theory, higher-order', 'group theory, geometrical', 'topology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004026'] | ['We review several aspects of Yang-Mills theory (YMT) in two dimensions, related to its perturbative and topological properties. Consistency between light-front and equal-time formulations is thoroughly discussed.'] | ['2000-04-06'] |
3,639 | ['eng'] | ['Furuta, K', 'Inami, T'] | ['Ultraviolet Property of Noncommutative Wess-Zumino-Witten Model'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, noncommutative', 'symmetry, U(N)', 'beta function', 'background field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004024'] | ['We construct noncommutative extension of the Wess-Zumino-Witten (WZW) model and study its ultraviolet property. The \\beta-function of the U(N) noncommutative WZW model resembles that of the ordinary WZW model. The U(1) noncommutative model has also a nontrivial fixed point.'] | ['2000-04-06'] |
3,640 | ['eng'] | ['Barcelo, C', 'Visser, M'] | ['D-brane surgery'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, D-brane', 'Einstein equation, solution', 'dimension, >4', 'mass spectrum', 'energy', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004022'] | ['D-branes are ubiquitous elements of any low-energy limit of string theory. We point out that negative tension D-branes violate all the standard energy conditions of the higher-dimensional spacetime they are embedded in; this opens the door to very peculiar solutions of the higher-dimensional Einstein equations. Build... | ['2000-04-05'] |
3,641 | ['eng'] | ['Torma, T'] | ['Intersecting branes with an arbitrary excess angle'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 4', 'dimension, 6', 'p-brane, interaction', 'orbifold', 'astrophysics, fundamental constant', 'field equations, solution', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004021'] | ['We find all possible static embeddings of a 4-brane in any dimension-6 spacetime with 4-dimensional Poincare symmetry and a negative cosmological constant, subject to orbifolding across the brane. Our new solutions allow intersecting branes at an angle determined by a new dynamical parameter. A collection of branes i... | ['2000-04-05'] |
3,642 | ['eng'] | ['Donets, E E', 'Pashnev, A I', 'Rivelles, V O', 'Sorokin, D P', 'Tsulaia, M M'] | ['N=4 Superconformal Mechanics and the Potential Structure of AdS Spaces'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'supersymmetry, superfield', 'space-time, anti-de Sitter', 'symmetry, SU(2) x SU(2)', 'mechanics, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004019'] | ['The dynamics of an N=4 spinning particle in a curved background is described using the N=4 superfield formalism. The $SU(2)_{local}\\times SU(2)_{global}$ N=4 superconformal symmetry of the particle action requires the background to be a real "K\\"ahler-like" manifold whose metric is generated by a sigma-model superp... | ['2000-04-05'] |
3,643 | ['eng'] | ['Brandenberger, R H'] | ['Back Reaction of Cosmological Perturbations'] | ['Particle Physics - Theory'] | ['talk, Trieste 1999/09/27', 'astrophysics, perturbation', 'back reaction', 'gravitation, fluctuation', 'fluctuation, scalar', 'tensor, energy-momentum', 'astrophysics, fundamental constant', 'inflationary universe', 'chaos', 'diffeomorphism, invariance'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004016'] | ['The presence of cosmological perturbations affects the background metric and matter configuration in which the perturbations propagate. This effect, studied a long time ago for gravitational waves, also is operational for scalar gravitational fluctuations, inhomogeneities which are believed to be more important in in... | ['2000-04-05'] |
3,644 | ['eng'] | ['Iqbal, A', 'Naqvi, A'] | ['Tachyon Condensation on a non-BPS D-brane'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, string', 'supersymmetry', 'soliton, BPS', 'charge, Becchi-Rouet-Stora', 'operator, vertex', 'correlation function', 'phase space', 'tachyon, potential', 'tachyon, condensation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004015'] | ['We extend the recent computation of the tachyon potential by Berkovits, Sen and Zwiebach by including level two fields and keeping up to level four terms in the action. We find 90.5% of the expected result.'] | ['2000-04-05'] |
3,645 | ['eng'] | ['Gherghetta, T', 'Shaposhnikov, M E'] | ['Localizing Gravity on a String-Like Defect in Six Dimensions'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 6', 'topology, defect', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004014'] | ['We present a metric solution in six dimensions where gravity is localized on a four-dimensional singular string-like defect. The corrections to four-dimensional gravity from the bulk continuum modes are suppressed by ${\\cal O}(1/r^3)$. No tuning of the bulk cosmological constant to the brane tension is required in o... | ['2000-04-04'] |
3,646 | ['eng'] | ['Liu, H', 'Michelson, J'] | ['Stretched Strings in Noncommutative Field Theory'] | ['Particle Physics - Theory'] | ['string model', 'string, closed', 'string, open', 'scattering amplitude, higher-order', 'factorization', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004013'] | ["Motivated by recent discussions of IR/UV mixing in noncommutative field theories, we perform a detailed analysis of the non-planar amplitudes of the bosonic open string in the presence of an external B-field at the one-loop level. We carefully isolate, at the string theory level, the contribution which is responsible... | ['2000-04-04'] |
3,647 | ['eng'] | ['Gubarev, F V', 'Zakharov, V I'] | ['The Berry Phase and Monopoles in Non-Abelian Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Wilson loop', 'Berry phase', 'monopole', 'lattice field theory', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004012'] | ['We consider the quantum mechanical notion of the geometrical (Berry) phase in SU(2) gauge theory, both in the continuum and on the lattice. It is shown that in the coherent state basis eigenvalues of the Wilson loop operator naturally decompose into the geometrical and dynamical phase factors. Moreover, for each Wils... | ['2000-04-04'] |
3,648 | ['eng'] | ['Alishahiha, M', 'Ita, H', 'Oz, Y'] | ['Graviton Scattering on D6 Branes with B Fields'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supergravity, background field', 'graviton, scattering', 'potential', 'effective action', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004011'] | ['We consider systems of D6 branes in the presence of a nonzero $B$ field of different ranks. We study the scattering of gravitons in the corresponding supergravity backgrounds. We show that the nonzero B field does not modify the form of the scattering potential. The graviton scattering equation has two solutions one ... | ['2000-04-04'] |
3,649 | ['eng'] | ['Kalmykov, M Yu', 'Veretin, O L'] | ['Single-scale diagrams and multiple binomial sums'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'higher-order, 2', 'propagator', 'epsilon expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004010'] | ['The $\\epsilon$-expansion of several two-loop self-energy diagrams with different thresholds and one mass are calculated. On-shell results are reduced to multiple binomial sums which values are presented in analytical form.'] | ['2000-04-04'] |
3,650 | ['eng'] | ['Mohrbach, H', 'Bérard, A', 'Gosselin, P'] | ['Bosons Doubling'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'lattice field theory, any-dimensional', 'excited state', 'renormalization', 'propagator', 'beta function', 'effective potential', 'perturbation theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004008'] | ['It is shown that next-nearest-neighbor interactions may lead to unusual paramagnetic or ferromagnetic phases which physical content is radically different from the standard phases. Actually there are several particles described by the same quantum field in a manner similar to the species doubling of the lattice fermi... | ['2000-04-04'] |
3,651 | ['eng'] | ['Kim, J E', 'Kyae, B', 'Lee, H M'] | ['Various Modified Solutions of the Randall-Sundrum Model with the Gauss-Bonnet Interaction'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'Gauss-Bonnet term', 'inflationary universe', 'membrane model', 'space-time, perturbation', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004005'] | ['The Gauss-Bonnet interaction is the only consistent quadratic interaction below the Planck scale in the Randall-Sundrum compactification. We study various static and inflationary solutions including this Gauss-Bonnet interaction.'] | ['2000-04-04'] |
3,652 | ['eng'] | ['Casadio, R', 'Harms, B'] | ['Black Hole Evaporation and Large Extra Dimensions'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, higher-dimensional', 'critical phenomena', 'membrane model', 'radiation, Hawking', 'gravitation, potential', 'statistical mechanics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004004'] | ['We study the evaporation of black holes in space-times with extra dimensions of size L and obtain a description which interpolates between the known behaviors of very large and very small black holes. We show that a (first order) phase transition, possibly signaled by an outburst of energy, occurs in the system when ... | ['2000-04-04'] |
3,653 | ['eng'] | ['Verlinde, Herman L'] | ['Supersymmetry at Large Distance Scales'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'supersymmetry, symmetry breaking', 'Randall-Sundrum model', 'supergravity', 'membrane model', 'field equations', 'partition function', 'Hamiltonian formalism', 'perturbation theory', 'stability', 'renormalization group', 'effective potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004003'] | ['We propose that the UV/IR relation that underlies the AdS/CFT duality may provide a natural mechanism by which high energy supersymmetry can have large distance consequences. We motivate this idea via (a string realization of) the Randall-Sundrum scenario, in which the observable matter is localized on a matter brane... | ['2000-04-04'] |
3,654 | ['eng'] | ['Rozowsky, J S', 'Thorn, C B'] | ['Spontaneous Symmetry Breaking at Infinite Momentum without p+ Zero-Modes'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 2', 'symmetry, spontaneously broken', 'momentum, infinite', 'energy', 'numerical calculations, variational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003301'] | ['The nonrelativistic interpretation of quantum field theory achieved by quantization in an infinite momentum frame is spoiled by the inclusion of a mode of the field carrying p+=0. We therefore explore the viability of doing without such a mode in the context of spontaneous symmetry breaking (SSB), where its presence ... | ['2000-04-03'] |
3,655 | ['eng'] | ['Olasagasti, I', 'Vilenkin, A'] | ['Gravity of higher-dimensional global defects'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, >4', 'field theory, scalar', 'astrophysics, fundamental constant', 'Einstein equation, solution', 'topology, defect', 'instanton', 'inflationary universe', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003300'] | ["Solutions of Einstein's equations are found for global defects in a higher-dimensional spacetime with a nonzero cosmological constant Lambda. The defect has a (p-1)-dimensional core (brane) and a `hedgehog' scalar field configuration in the n extra dimensions. For Lambda = 0 and n > 2, the solutions are characterized... | ['2000-04-03'] |
3,656 | ['eng'] | ['Kennedy, C', 'Prodanov, E M'] | ['Standard Cosmology from $\\sigma$-Model'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'sigma model, nonlinear', 'model, fluid', 'Randall-Sundrum model', 'Einstein equation, solution', 'astrophysics, model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003299'] | ['We investigate (4+1)- and (5+0)-dimensional gravity coupled to a non-compact scalar field sigma-model and a perfect fluid within the context of the Randall-Sundrum scenario. We find cosmological solutions with a rolling fifth radius and a family of warp factors. Included in this family are both the original Randall-S... | ['2000-04-03'] |
3,657 | ['eng'] | ['Fuchs, J', 'Schweigert, C', 'Walcher, J'] | ['Projections in string theory and boundary states for Gepner models'] | ['Particle Physics - Theory'] | ['string model', 'Gepner model', 'supersymmetry', 'field theory, Calabi-Yau', 'field theory, transformation', 'orbifold', 'phase space, boundary condition', 'algebra, chiral', 'geometry, algebra', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003298'] | ['In string theory various projections have to be imposed to ensure supersymmetry. We study the consequences of these projections in the presence of world sheet boundaries. A-type boundary conditions come in several classes; only boundary fields that do not change the class preserve supersymmetry. Our analysis takes in... | ['2000-04-03'] |
3,658 | ['eng'] | ['Klauder, J R'] | ['Quantization of Constrained Systems'] | ['Particle Physics - Theory'] | ['lectures, Schladming 2000/02/26', 'quantization, constraint', 'Hamiltonian formalism', 'coherent state', 'dependence, gauge', 'invariance, reparametrization', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003297'] | ['The present article is primarily a review of the projection-operator approach to quantize systems with constraints. We study the quantization of systems with general first- and second-class constraints from the point of view of coherent-state, phase-space path integration, and show that all such cases may be treated,... | ['2000-04-03'] |
3,659 | ['eng'] | ['Lee, D'] | ['Modal field theory and quasi-sparse eigenvector diagonalization'] | ['Particle Physics - Theory'] | ['talk, Adelaide 1999/12/13', 'phi**n model, 4', 'lattice field theory', 'dimension, 4', 'phase space', 'energy levels', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003296'] | ['We review recent developments in non-perturbative field theory using modal field methods. We discuss Monte Carlo results as well as a new diagonalization technique known as the quasi-sparse eigenvector method.'] | ['2000-04-03'] |
3,660 | ['eng'] | ['Wang, B', 'Lin, C Y', 'Abdalla, Elcio'] | ['Quasinormal modes of Reissner-Nordström Anti-de Sitter Black Holes'] | ['Particle Physics - Theory'] | ['black hole, anti-de Sitter', 'space-time, Reissner-Nordstroem', 'field theory, conformal', 'field theory, scalar', 'black hole, charge', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003295'] | ['Complex frequencies associated with quasinormal modes for large Reissner-Nordstr$\\ddot{o}$m Anti-de Sitter black holes have been computed. These frequencies have close relation to the black hole charge and do not linearly scale with the black hole temperature as in Schwarzschild Anti-de Sitter case. In terms of AdS/... | ['2000-04-03'] |
3,661 | ['eng'] | ['Sutton, P'] | ['The Dimensional-Reduction Anomaly in Spherically Symmetric Spacetimes'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'field theory, scalar', 'symmetry, rotational', 'dimensional reduction', 'anomaly', 'partial wave analysis'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003290'] | ['In D-dimensional spacetimes which can be foliated by n-dimensional homogeneous subspaces, a quantum field can be decomposed in terms of modes on the subspaces, reducing the system to a collection of (D-n)-dimensional fields. This allows one to write bare D-dimensional field quantities like the Green function and the ... | ['2000-04-03'] |
3,662 | ['eng'] | ['Costa, M S'] | ['A Test of the AdS/CFT Duality on the Coulomb Branch'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'symmetry, spontaneously broken', 'transformation, conformal', 'effective action', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'dilaton', 'two-point function', 'vertex function', 'field theory, conformal', 'space-time, anti-de Sitter', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003289'] | ['We consider the N=4 SU(N) Super Yang Mills theory on the Coulomb branch with gauge symmetry broken to S(U(N_1)*U(N_2)). By integrating the W particles, the effective action near the IR SU(N_i) conformal fixed points is seen to be a deformation of the Super Yang Mills theory by a non-renormalized, irrelevant, dimensio... | ['2000-04-03'] |
3,663 | ['eng'] | ['Ogawa, N'] | ['A Note on Classical Solution of Chaplygin-gas as D-brane'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'any-dimensional', 'light cone gauge', 'field equations, solution', 'model, gas', 'invariance, Poincare', 'quantization', 'transformation, Becchi-Rouet-Stora', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003288'] | ['The classical solution of bosonic d-brane (object extended in d-spatial dimension) in d+1 dimensional space with Light-cone gauge, which we call the theory of Chaplygin gas, is discussed. Static equation of motion is equivalent to the vanishing of extrinsic mean curvature, which is similar to the Einstein equation in... | ['2000-04-03'] |
3,664 | ['eng'] | ['Apfeldorf, K M', 'Camblong, H E', 'Ordóñez, C R'] | ['Field Redefinition Invariance in Quantum Field Theory'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'space-time, R(1) x S(1)', 'path integral', 'field theory, transformation', 'operator, algebra', 'effective action', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003287'] | ["The issue of field redefinition invariance of path integrals in quantum field theory is reexamined. A ``paradox'' is presented involving the reduction of a 1+1 free massless scalar theory on a Minkowskian cylinder to an effective quantum-mechanical theory. The implementation of field redefinitions both before and aft... | ['2000-03-31'] |
3,665 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N'] | ['Consistent Kaluza-Klein Sphere Reductions'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'space-time, sphere', 'gauge field theory, SO(N)', 'field theory, tensor', 'differential forms', 'dilaton', 'dimensional reduction', 'nonlinear', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003286'] | ['We study the circumstances under which a Kaluza-Klein reduction on an n-sphere, with a massless truncation that includes all the Yang-Mills fields of SO(n+1), can be consistent at the full non-linear level. We take as the starting point a theory comprising a p-form field strength and (possibly) a dilaton, coupled to ... | ['2000-03-31'] |
3,666 | ['eng'] | ['Ling, Y', 'Smolin, L'] | ['Eleven dimensional supergravity as a constrained topological field theory'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'field theory, topological', 'constraint', 'Hamiltonian formalism', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003285'] | ['We describe a new first-order formulation of D=11 supergravity which shows that that theory can be understood to arise from a certain topological field theory by the imposition of a set of local constraints on the fields, plus a lagrange multiplier term. The topological field theory is of interest as the algebra of i... | ['2000-03-31'] |
3,667 | ['eng'] | ['Fainberg, V Ya', 'Pimentel, B M'] | ['Duffin-Kemmer-Petiau and Klein-Gordon-Fock Equations for Electromagnetic, Yang-Mills and external Gravitational Field Interactions'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation', 'electromagnetic interaction', 'gauge field theory, Yang-Mills', 'gravitation, external field', 'Hamiltonian formalism', 'S-matrix', 'field theory, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003283'] | ['Starting from Generating functional for Green Function (GF), constracted from Lagrangian action in Duffin-Kemmer-Petiau (DKP) theory (L-approach) we strictly prove that the physical matrix elements of S-matrix in DKP and Klein-Gordon-Fock (KGF) theories coincide in cases of interaction spin O particles with external ... | ['2000-03-31'] |
3,668 | ['eng'] | ['Bagger, Jonathan A', 'Moroi, T', 'Poppitz, E R'] | ['Quantum Inconsistency of Einstein Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'perturbation theory, higher-order', 'anomaly', 'supersymmetry, transformation', 'supersymmetry, superfield', 'scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003282'] | ['We show that N=1, D=4 Einstein-frame supergravity is inconsistent at one loop because of an anomaly in local supersymmetry transformations. A Jacobian must be added to the Einstein-frame Lagrangian to cancel this anomaly. We show how the Jacobian arises from the super-Weyl field redefinition that takes the superspace... | ['2000-03-31'] |
3,669 | ['eng'] | ['Kehagias, A A', 'Russo, Jorge G'] | ['Hyperbolic Spaces in String and M-Theory'] | ['Particle Physics - Theory'] | ['string model', 'supergravity', 'dimension, 11', 'M-theory', 'coset space', 'spontaneous compactification', 'field equations, solution', 'field theory, conformal', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003281'] | ['We describe string-theory and $d=11$ supergravity solutions involving symmetric spaces of constant negative curvature. Many examples of non-supersymmetric string compactifications on hyperbolic spaces $H_r$ of finite volume are given in terms of suitable cosets of the form $H_r/\\Gamma $, where $\\Gamma $ is a discre... | ['2000-03-31'] |
3,670 | ['eng'] | ['Das-Gupta, A', 'Nicolai, Hermann C', 'Plefka, J C'] | ['Vertex Operators for the Supermembrane'] | ['Particle Physics - Theory'] | ['membrane model', 'operator, vertex', 'supersymmetry, multiplet', 'supersymmetry, algebra', 'dimension, 11', 'field theory, massless', 'light cone gauge', 'supergravity', 'transformation, diffeomorphism', 'invariance, gauge', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003280'] | ['We derive the vertex operators that are expected to govern the emission of the massless d=11 supermultiplet from the supermembrane in the light cone gauge. We demonstrate that they form a representation of the supersymmetry algebra and reduce to the type IIA superstring vertex operators under double dimensional reduc... | ['2000-03-31'] |
3,671 | ['eng'] | ['Sun, W M', 'Chen, X S', 'Wang, F'] | ['Some Problems in Defining Functional Integration over the Gauge Group'] | ['Particle Physics - Theory'] | ['gauge field theory', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003279'] | ['We find that sometimes the usual definition of functional integration over the gauge group through limiting process may have internal difficulties.'] | ['2000-03-31'] |
3,672 | ['eng'] | ['Ghoshal, D', 'Sen, A'] | ['Tachyon Condensation and Brane Descent Relations in p-adic String Theory'] | ['Particle Physics - Theory'] | ['string model, p-adic', 'membrane model, D-brane', 'boson, D-brane', 'tachyon, potential', 'tachyon, condensation', 'soliton', 'number theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003278'] | ['It has been conjectured that an extremum of the tachyon potential of a bosonic D-brane represents the vacuum without any D-brane, and that various tachyonic lump solutions represent D-branes of lower dimension. We show that the tree level effective action of p-adic string theory, the expression for which is known exa... | ['2000-03-31'] |
3,673 | ['eng'] | ['Znojil, M', 'Cannata, F', 'Bagchi, B', 'Roychoudhury, R'] | ['Supersymmetry without hermiticity'] | ['Particle Physics - Theory'] | ['supersymmetry, transformation', 'supersymmetry, representation', 'Hamiltonian formalism', 'factorization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003277'] | ['A new model of supersymmetry between bosons and fermions is proposed. Its representation space is spanned by states with PT symmetry and real energies but the inter-related partner Hamiltonians themselves remain complex and non-Hermitian. The formalism admits vanishing Witten index.'] | ['2000-03-31'] |
3,674 | ['eng'] | ['Quano, Y H'] | ["Difference equations for correlation functions of Belavin's $Z_{n}$-symmetric model with boundary reflection"] | ['Particle Physics - Theory'] | ['model, vertex', 'symmetry, Z(N)', 'boundary condition', 'bootstrap', 'correlation function', 'Yang-Baxter equation', 'Knizhnik-Zamolodchikov equation', 'polarization', 'operator, vertex', 'lattice field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003276'] | ["Belavin's $\\mathbb{Z}_n$-symmetric elliptic model with boundary reflection is considered on the basis of the boundary CTM bootstrap. We find non-diagonal $K$-matrices for $n>2$ that satisfy the reflection equation (boundary Yang--Baxter equation). We derive difference equations of the quantum Knizhnik-Zamolodchikov ... | ['2000-03-31'] |
3,675 | ['eng'] | ['Ichinose, S'] | ['An Exact Solution of the Randall-Sundrum Model and the Mass Hierarchy Problem'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'mass, hierarchy', 'domain wall', 'astrophysics, fundamental constant', 'fermion, mass', 'fermion, chiral', 'dimension, 5', 'dimension, 4', 'regularization', 'dimensional reduction', 'vacuum state', 'potential, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003275', 'http://arXiv.org/abs/hep-th/?0003275'] | ['An exact solution of the Randall-Sundrum model for a simplified case (one wall) is obtained. It is given by the $1/k^2$-expansion (thin wall expansion) where $1/k$ is the thickness of the domain wall. The vacuum setting is done by the 5D Higgs potential and the solution is for a family of the Higgs parameters. The ma... | ['2000-03-31'] |
3,676 | ['eng'] | ['Tort, A C', 'Santos, F C'] | ['Confined Maxwell Field and Temperature Inversion Symmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'finite temperature', 'confinement', 'energy, Casimir', 'regularization, zeta function', 'symmetry, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003274'] | ['We evaluate the Casimir vacuum energy at finite temperature associated with the Maxwell field confined by a perfectly conducting rectangular cavity and show that an extended version of the temperature inversion symmetry is present in this system.'] | ['2000-03-30'] |
3,677 | ['eng'] | ['Bellucci, S', 'Ivanov, E', 'Krivonos, S'] | ['Superworldvolume dynamics of superbranes from nonlinear realizations'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'symmetry, spontaneously broken', 'supersymmetry, representation', 'nonlinear', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 2', 'p-brane, 3', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003273'] | ['Based on the concept of the partial breaking of global supersymmetry (PBGS), we derive the worldvolume superfield equations of motion for $N=1, D=4$ supermembrane, as well as for the space-time filling D2- and D3-branes, from nonlinear realizations of the corresponding supersymmetries. We argue that it is of no need ... | ['2000-03-30'] |
3,678 | ['eng'] | ['Bellisai, D', 'Fucito, F', 'Tanzini, A', 'Travaglini, G'] | ['Instanton Calculus, Topological Field Theories and N = 2 Super Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, topological', 'effective action', 'Seiberg-Witten model', 'instanton', 'correlation function', 'transformation, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003272'] | ['The results obtained by Seiberg and Witten for the low-energy Wilsonian effective actions of N=2 supersymmetric theories with gauge group SU(2) are in agreement with instanton computations carried out for winding numbers one and two. This suggests that the instanton saddle point saturates the non-perturbative contrib... | ['2000-03-30'] |
3,679 | ['eng'] | ['Crisostomo, J', 'Troncoso, R', 'Zanelli, J'] | ['Black Hole Scan'] | ['Particle Physics - Theory'] | ['gravitation, model', 'vacuum state, anti-de Sitter', 'black hole', 'thermodynamics', 'space-time, higher-dimensional', 'field equations', 'electromagnetic field', 'charge, electric', 'mass', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003271'] | ['Gravitation theories selected by requiring that they have a unique anti-de Sitter vacuum with a fixed cosmological constant are studied. For a given dimension d, the Lagrangians under consideration are labeled by an integer k=1,2,...,[(d-1)/2]. Black holes for each d and k are found and are used to rank these theorie... | ['2000-03-30'] |
3,680 | ['eng'] | ['Chaichian, Masud', 'Demichev, A P', 'Presnajder, P'] | ['Field Theory on Noncommutative Space-Time and the Deformed Virasoro Algebra'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'space-time, cylinder', 'algebra, Virasoro', 'algebra, deformation', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003270'] | ['First we briefly describe the link between the Virasoro algebra and the free scalar field on a two-dimensional space-time given as a standard commutative cylinder, and in the Euclidean version on a complex plane. The field-theoretical model generalized then to the noncommutative cylinder leads to discrete time-evolut... | ['2000-03-30'] |
3,681 | ['eng'] | ['Chaichian, Masud', 'Kobakhidze, A B'] | ['Mass hierarchy and localization of gravity in extra time'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, >4', 'space-time, signature', 'Randall-Sundrum model', 'Kaluza-Klein model', 'mass spectrum, hierarchy', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003269'] | ['We consider Randall-Sundrum model with localized gravity, replacing the extra compact space-like dimension by a time-like one. In this way the solution to the hierarchy problem can be reconciled with a correct cosmological expansion of the visible universe, just as a trivial result of the sign flip of cosmological co... | ['2000-03-30'] |
3,682 | ['eng'] | ['Camblong, H E', 'Epele, L N', 'Fanchiotti, H', 'Canal-Garcia, C A'] | ['Dimensional Transmutation and Dimensional Regularization in Quantum Mechanics; 2, Rotational Invariance'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'transmutation, dimensional', 'invariance, rotational', 'regularization, dimensional', 'potential, renormalization', 'dimension, 2', 'strong coupling', 'boundary condition', 'bound state', 'scattering', 'duality, transformation', 'Schroedinger equation, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003267'] | ['A thorough analysis is presented of the class of central fields of force that exhibit: (i) dimensional transmutation and (ii) rotational invariance. Using dimensional regularization, the two-dimensional delta-function potential and the $D$-dimensional inverse square potential are studied. In particular, the following... | ['2000-03-30'] |
3,683 | ['eng'] | ['Buchbinder, I L', 'Petrov, A Yu'] | ['N = 4 Super Yang-Mills Low-Energy Effective Action at Three and Four Loops'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'symmetry, spontaneously broken', 'effective action', 'background field', 'perturbation theory, higher-order', 'higher-order, 3', 'higher-order, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003265'] | ['We investigate the low-energy effective action in N=4 super Yang-Mills theory with gauge group SU(n) spontaneously broken down to its maximal torus. Using harmonic superspace technique we prove an absence of any three- and four-loop corrections to non-holomorphic effective potential depending on N=2 superfield streng... | ['2000-03-30'] |
3,684 | ['eng'] | ['Evans, J M', 'Mountain, A J'] | ['Commuting Charges and Symmetric Spaces'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'coset space', 'algebra, Lie', 'current, conservation law', 'charge, commutation relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003264'] | ['Every classical sigma-model with target space a compact symmetric space $G/H$ (with $G$ classical) is shown to possess infinitely many local, commuting, conserved charges which can be written in closed form. The spins of these charges run over a characteristic set of values, playing the role of exponents of $G/H$, an... | ['2000-03-29'] |
3,685 | ['eng'] | ['Douglas, M R', 'Fiol, B', 'Römelsberger, C'] | ['The Spectrum of $BPS$ Branes on a Noncompact Calabi-Yau'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'background field', 'field theory, Calabi-Yau', 'soliton, BPS', 'membrane model', 'mass spectrum', 'orbifold', 'fibre bundle', 'geometry, algebra', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003263'] | ['We begin the study of the spectrum of BPS branes and its variation on lines of marginal stability on O_P^2(-3), a Calabi-Yau ALE space asymptotic to C^3/Z_3. We show how to get the complete spectrum near the large volume limit and near the orbifold point, and find a striking similarity between the descriptions of hol... | ['2000-03-29'] |
3,686 | ['eng'] | ['Campbell-Smith, A', 'Mavromatos, Nikolaos E'] | ['$D$-Brane Recoil and Supersymmetry Obstruction'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, recoil', 'supersymmetry', 'sigma model', 'field theory, Liouville', 'dimensional reduction', 'dimension, 4-6'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003262'] | ["We discuss a model in which our universe is pictured as a recoiling Dirichlet brane: we find that a proper treatment of the recoil leads naturally to supersymmetry obstruction on the four-dimensional world. An essential feature of our approach is the fact that the underlying worldsheet sigma model is non-critical, an... | ['2000-03-29'] |
3,687 | ['eng'] | ['Bergshoeff, E A', 'Van Proeyen, A'] | ['The Many Faces of $OSp(1|32)$'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'dimension, 12', 'dimensional reduction', 'dimension, 10', 'algebra, OSp(1/32)', 'algebra, representation', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003261'] | ['We show that the complete superalgebra of symmetries, including central charges, that underlies F-theories, M-theories and type II string theories in dimensions 12, 11 and 10 of various signatures correspond to rewriting of the same OSp(1|32) algebra in different covariant ways. One only has to distinguish the comple... | ['2000-03-29'] |
3,688 | ['eng'] | ['Balantekin, A B', 'Ozturk, N'] | ['Symplectic Symmetry of the Neutrino Mass and the See-Saw Mechanism'] | ['Particle Physics - Theory'] | ['neutrino, mass generation', 'symmetry, symplectic', 'Hamiltonian formalism', 'algebra, Sp(4)', 'algebra, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003260'] | ['We investigate the algebraic structure of the most general neutrino mass Hamiltonian and place the see-saw mechanism in an algebraic framework. We show that this Hamiltonian can be written in terms of the generators of an Sp(4) algebra. The Pauli-Gursey transformation is an SU(2) rotation which is embedded in this Sp... | ['2000-03-29'] |
3,689 | ['eng'] | ['Balog, J', 'Hegedus, A'] | ['Two-Loop $\\beta$ Functions of the Sine-Gordon Model'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'renormalization group, beta function', 'higher-order, 2', 'asymptotic freedom'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003258'] | ['We recalculate the two-loop beta functions in the two-dimensional Sine-Gordon model in a two-parameter expansion around the asymptotically free point. Our results agree with those of Amit et al., J. Phys. A13 (1980) 585.'] | ['2000-03-29'] |
3,690 | ['eng'] | ['Liang, J Q', 'Müller-Kirsten, H J W', 'Park, D K', 'Shurgaia, A V'] | ['Nucleation at Finite Temperature beyond the Superminispace Model'] | ['Particle Physics - Theory'] | ['astrophysics, superspace', 'matter, density', 'finite temperature', 'sphaleron', 'fluctuation', 'critical phenomena', 'sigma model, nonlinear', 'symmetry, O(3)', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003257'] | ['The transition from the quantum to the classical regime of the nucleation of the closed Robertson-Walker Universe with spacially homogeneous matter fields is investigated with a perturbation expansion around the sphaleron configuration. A criterion is derived for the occurrence of a first-order type transition, and t... | ['2000-03-29'] |
3,691 | ['eng'] | ['Brändle, M', 'Lukas, A', 'Ovrut, B A'] | ['Heterotic $M$-Theory Cosmology in Four- and Five-Dimensions'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'effective action', 'dimension, 5', 'dimension, 4', 'space-time', 'field equations, solution', 'astrophysics, model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003256'] | ['We study rolling radii solutions in the context of the four- and five-dimensional effective actions of heterotic M-theory. For the standard four-dimensional solutions with varying dilaton and T-modulus, we find approximate five-dimensional counterparts. These are new, generically non-separating solutions correspondin... | ['2000-03-29'] |
3,692 | ['eng'] | ['Camblong, H E', 'Epele, L N', 'Fanchiotti, H', 'Canal-Garcia, C A'] | ['Dimensional Transmutation and Dimensional Regularization in Quantum Mechanics; 1, General Theory'] | ['Particle Physics - Theory'] | ['quantum mechanics, nonrelativistic', 'regularization, dimensional', 'transmutation, dimensional', 'scaling', 'energy levels', 'bound state', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003255'] | ['This is the first in a series of papers addressing the phenomenon of dimensional transmutation in nonrelativistic quantum mechanics within the framework of dimensional regularization. Transmuting potentials are completely characterized and their general properties are derived. A strategy for dimensional renormalizati... | ['2000-03-29'] |
3,693 | ['eng'] | ['Kopper, C', 'Müller, V F', 'Reisz, T'] | ['Temperature-Independent Renormalization of Finite Temperature Field Theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature, dependence', 'perturbation theory, higher-order', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003254'] | ['We analyse 4-dimensional massive $\\phi^4$ theory at finite temperature T in the imaginary-time formalism. We present the first rigorous proof that this quantum field theory is renormalizable, to all orders of the loop expansion. Our main point is to show that the counterterms can be chosen temperature independent, s... | ['2000-03-29'] |
3,694 | ['eng'] | ['Alexandrou, C', 'Rosenfelder, R', 'Schreiber, A W'] | ['Nonperturbative Mass Renormalization in Quenched QED from the Worldline Variational Approach'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'approximation, quenching', 'mass, renormalization', 'nonperturbative', 'dimension, anomaly', 'numerical calculations, variational', 'talk, Yalta 2000/05/27'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003253'] | ["Following Feynman's successful treatment of the polaron problem we apply the same variational principle to quenched QED in the worldline formulation. New features arise from the description of fermions by Grassmann trajectories, the supersymmetry between bosonic and fermionic variables and the much more singular stru... | ['2000-03-29'] |
3,695 | ['eng'] | ['Battye, R A', 'Sutcliffe, P M'] | ['$Q$-Ball Dynamics'] | ['Particle Physics - Theory'] | ['field equations, Q-ball', 'space, Euclidean', 'dimension, 1-3', 'charge, density', 'fission, Q-ball', 'scattering, Q-ball', 'symmetry, U(1)', 'Goldstone theorem', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003252'] | ['We investigate the dynamics of Q-balls in one, two and three space dimensions, using numerical simulations of the full nonlinear equations of motion. We find that the dynamics of Q-balls is extremely complex, involving processes such as charge transfer and Q-ball fission. We present results of simulations which illus... | ['2000-03-29'] |
3,696 | ['eng'] | ['Peet, A W'] | ['Excision of "repulson" singularities'] | ['Particle Physics - Theory'] | ['talk, Granlibakken 1999/12/10', 'space-time, singularity', 'membrane model', 'gauge field theory', 'gravitation', 'string model', 'duality', 'Seiberg-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003251'] | ["We discuss spacetime singularity resolution in the context of the gravity/gauge correspondence, for brane systems which give rise to gauge theories with eight supercharges and no hypermultiplets. The discussion is aimed at non-experts. Writeup of talk on hep-th/9911161 with C.V.Johnson and J.Polchinski, given in vari... | ['2000-03-28'] |
3,697 | ['eng'] | ['Bacus, B', 'Rodgers, V G J'] | ['The Image of Self Intersecting QCD Strings in Four Dimensions'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'string model', 'duality', 'topology', 'instanton', 'symmetry breaking, chiral', 'knot theory, torus', 'magnetic monopole, flux', 'quark, pair production', 'quark antiquark, annihilation', 'programming'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003250'] | ["We numerically examine the self-dual solutions of self-intersecting strings immersed in four dimensions. We find that open torus knot have topologies that can support monopole/anti-monopole as well as q-qbar production and annihilation.. We give an estimate of the string tension from quark production rates, show that... | ['2000-03-28'] |
3,698 | ['eng'] | ['Hiller, J R', 'Lunin, O', 'Pinsky, S S', 'Trittmann, U'] | ['Towards a SDLCQ test of the Maldacena Conjecture'] | ['Particle Physics - Theory'] | ['membrane model', 'supergravity', 'quantization, light cone', 'discrete', 'tensor, energy-momentum', 'two-point function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003249'] | ["We consider the Maldacena conjecture applied to the near horizon geometry of a D1-brane in the supergravity approximation and present numerical results of a test of the conjecture against the boundary field theory calculation using DLCQ. We previously calculated the two-point function of the stress-energy tensor on t... | ['2000-03-28'] |
3,699 | ['eng'] | ['Alonso-Alberca, N', 'Meessen, P', 'Ortín, Tomas'] | ['Supersymmetric Brane-Worlds'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'Einstein equation, solution', 'dimensional reduction', 'Randall-Sundrum model', 'graviton', 'gravitation, fundamental constant', 'space-time'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003248'] | ['We present warped metrics which solve Einstein equations with arbitrary cosmological constants in both in upper and lower dimensions. When the lower-dimensional metric is the maximally symmetric one compatible with the chosen value of the cosmological constant, the upper-dimensional metric is also the maximally symme... | ['2000-03-28'] |
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