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 |
|---|---|---|---|---|---|---|---|---|
2,100 | ['eng'] | ['Das-Gupta, S', 'Das-Gupta, T'] | ['Renormalization Group Analysis of Tachyon Condensation'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 25', 'boundary condition', 'field theory, conformal', 'renormalization group', 'tachyon, condensation', 'entropy', 'effective action', 'perturbation theory, higher-order', 'field equations, solution', 'Kondo effect', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010247'] | ['Renormalization group analysis of boundary conformal field theory on bosonic D25-brane is used to study tachyon condensation. Placing the lump on a finite circle and triggering only the first three tachyon modes, the theory flows to nearby IR fixed point representing lumps that are extended object with definite profi... | ['2000-10-27'] |
2,101 | ['eng'] | ['Burgess, C P', 'Dolan, B P'] | ['Particle-Vortex Duality and the Modular Group'] | ['Particle Physics - Theory'] | ['charged particle', 'vortex', 'duality', 'group theory, modular', 'symmetry, discrete', 'Hall effect', 'dimension, 2', 'critical phenomena, universality', 'superconducting', 'gauge field theory, statistical', 'energy, symmetry', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010246'] | ['We show how particle-vortex duality implies the existence of a large non-abelian discrete symmetry group which relates the electromagnetic response for dual two-dimensional systems in a magnetic field. For conductors with charge carriers satisfying Fermi statistics (or those related to fermions by the action of the g... | ['2000-10-27'] |
2,102 | ['eng'] | ['Litvintsev, A'] | ['The Supersymmetric Kink via Higher-Derivative and Momentum Cut-Off Regularization Schemes'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion', 'superspace', 'kink, mass', 'regularization', 'derivative, high', 'supersymmetry, algebra', 'central charge', 'anomaly', 'current, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010245'] | ["We study the supersymmetric kink with higher derivative and momentum cut-off regularization schemes. We introduce the new momentum cut-off regularization scheme which we call ``generalized momentum cut-off''. A new, explicit computation for the central charge anomaly for this scheme is described in detail. The calcul... | ['2000-10-27'] |
2,103 | ['eng'] | ['Arfaei, H', 'Yavartanoo, M H'] | ['Phenomenological Consequences of Non-commutative QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'differential geometry, noncommutative', 'fermion', 'electron p, scattering', 'photon electron, Compton scattering', 'electron, magnetic moment', 'perturbation theory, higher-order', 'symmetry breaking, Lorentz'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010244'] | ['In the context of the noncommutative QED we consider few phenomena which reflect the noncommutativity. In all of them the new interactions in the Feynmann diagrams that are responsible for the deviation from the standard QED results. These deviations appear as the violations of Lorentz symmetry. We suggest experiment... | ['2000-10-27'] |
2,104 | ['eng'] | ['Simón, J'] | ['Automorphisms as brane non-local transformations'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'p-brane, 2', 'supersymmetry, algebra', 'algebra, Poincare', 'dimension, 10', 'dimension, 11', 'duality', 'soliton, BPS', 'M-theory', 'transformation, nonlocal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010242'] | ["The relation among spacetime supersymmetry algebras and superbrane actions is further explored. It is proved that $SL(2,\\bR)$ belongs to the automorphism group of the ${\\cal N}=2$ D=10 type IIB SuperPoincar\\'e algebra. Its SO(2) subgroup is identified with a non-local SO(2) transformation found in hep-th/9806161. ... | ['2000-10-27'] |
2,105 | ['eng'] | ['Artstein, Y', 'Kaplunovsky, V S', 'Sonnenschein, J'] | ['Domain Walls in the Large N Limit'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'expansion 1/N', 'soliton, BPS', 'domain wall', 'moduli space', 'energy', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010241'] | ['We study BPS saturated domain walls in supersymmetric SU(N) Yang-Mills theories in the large N limit. We focus on the Seiberg-Witten regime of ${\\cal N}=2$ theory perturbed by a small mass ($m<O(\\Lambda/N^4)$) and determine the wall profile by numerically minimizing its energy density. Similar to the SU(2) wall stu... | ['2000-10-27'] |
2,106 | ['eng'] | ['Sen, A'] | ['Fundamental Strings in Open String Theory at the Tachyonic Vacuum'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'string model, open', 'vacuum state', 'tachyon', 'effective action', 'field equations, solution', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010240'] | ['We show that the world-volume theory on a D-p-brane at the tachyonic vacuum has solitonic string solutions whose dynamics is governed by the Nambu-Goto action of a string moving in (25+1) dimensional space-time. This provides strong evidence for the conjecture that at this vacuum the full (25+1) dimensional Poincare ... | ['2000-10-27'] |
2,107 | ['eng'] | ['Römer, H', 'Paufler, C'] | ['Anomalies and Star Products'] | ['Particle Physics - Theory'] | ['talk, Goslar 1999/07/18', 'gauge field theory', 'fibre bundle', 'anomaly', 'operator, algebra', 'quantization', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010067'] | ['A formulation of anomalies in terms of star products is suggested which promises insight from an alternative and unifying point of view.'] | ['2000-10-11'] |
2,108 | ['eng'] | ['Konstein, S E', 'Vasilev, M A', 'Zaikin, V N'] | ['Conformal Higher Spin Currents in Any Dimension and AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['current, conformal', 'current, conservation law', 'spin, high', 'field theory, anti-de Sitter', 'tensor, energy-momentum', 'field theory, scalar', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010239'] | ['The full list of conserved conformal higher spin currents built from massless scalar and spinor fields is presented. It is shown that, analogously to the relationship between usual conformal and AdS symmetries, the set of the conformal higher spin symmetry parameters associated with the conformal conserved currents i... | ['2000-10-26'] |
2,109 | ['eng'] | ['Chalmers, G', 'Siegel, Warren'] | ['Global conformal anomaly in N=2 string'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'scattering amplitude, higher-order', 'anomaly, conformal', 'duality', 'bosonization', 'supergravity', 'gauge field theory', 'charge, Becchi-Rouet-Stora', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010238'] | ['We show the existence of a global anomaly in the one-loop graphs of N=2 string theory, defined by sewing tree amplitudes, unless spacetime supersymmetry is imposed. The anomaly is responsible for the non-vanishing maximally helicity violating amplitudes. The supersymmetric completion of the N=2 string spectrum is for... | ['2000-10-26'] |
2,110 | ['eng'] | ['Sahakian, V V'] | ['Transcribing spacetime data into matrices'] | ['Particle Physics - Theory'] | ['supergravity', 'background field', 'membrane model, D-brane', 'membrane model, p-brane', 'any-dimensional', 'field equations, solution', 'differential geometry, noncommutative', 'algebra, Lie', 'polarization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010237'] | ['In certain supergravity backgrounds, D0 branes tend to polarize into higher dimensional Dp branes. We study this phenomenon in some generality from the perspective of a local inertial observer and explore polarization effects resulting from tidal-like forces. We find classically stable D2 brane droplets made of D0 br... | ['2000-10-26'] |
2,111 | ['eng'] | ['Striet, J', 'Bais, F A'] | ['Simple models with ALICE fluxes'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1) x Z(2)', 'gauge field theory, SO(3)', 'Higgs model', 'field equations, solution', 'flux', 'asymptotic behavior', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010236'] | ["We introduce two simple models which feature an Alice electrodynamics phase. In a well defined sense the Alice flux solutions we obtain in these models obey first order equations similar to those of the Nielsen-Olesen fluxtube in the abelian higgs model in the Bogomol'nyi limit. Some numerical solutions are presented... | ['2000-10-26'] |
2,112 | ['eng'] | ['Ng, Y J'] | ['Clocks, computers, black holes, spacetime foam, and holographic principle'] | ['Particle Physics - Theory'] | ['talk, Hong Kong 2000/07/31', 'black hole', 'space-time, foam', 'holography', 'computer', 'time, measurement', 'quantum mechanics', 'relativity theory, general', 'radiation, Hawking', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010234'] | ['What do simple clocks, simple computers, black holes, space-time foam, and holographic principle have in common? I will show that the physics behind them is inter-related, linking together our concepts of information, gravity, and quantum uncertainty. Thus, the physics that sets the limits to computation and clock pr... | ['2000-10-26'] |
2,113 | ['eng'] | ['Rhedin, H'] | ['Seiberg-Witten theory for the asymptotic free rank three tensors of SU(N)'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'Seiberg-Witten model', 'group theory, representation', 'geometry, algebra', 'R parity', 'instanton', 'prepotential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010233'] | ['We here give a first indication that there exists a Seiberg-Witten curve for SU(N) Seiberg-Witten theory with matter transforming in the totally antisymmetric rank three tensor representation. We present a derivation of the leading order hyperelliptic approximation of a curve for this case. Since we are only interest... | ['2000-10-26'] |
2,114 | ['eng'] | ['Hawking, Stephen William', 'Hertog, T', 'Reall, H S'] | ['Trace anomaly driven inflation'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'anomaly, conformal', 'inflationary universe', 'effective action', 'instanton, O(4)', 'energy, conservation law', 'fluctuation', 'correlation function', 'analytic properties', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010232'] | ["This paper investigates Starobinsky's model of inflation driven by the trace anomaly of conformally coupled matter fields. This model does not suffer from the problem of contrived initial conditions that occurs in inflation driven by a scalar field. The universe is nucleated semi-classically by a cosmological instant... | ['2000-10-26'] |
2,115 | ['eng'] | ['Ozaki, H'] | ['Classical theory of canonical QCD on a space-like hypersurface'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'ghost', 'Hamiltonian formalism', 'field equations', 'gauge field theory, classical'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010231'] | ['The canonical formalism in classical theory of QCD is constructed on a space-like hypersurface. The Poisson bracket on the space-like hypersurface is defined and it plays an important role to describe every algebraic relation in the canonical formalism into Lorentz covariant form. Surface integrals are introduced as ... | ['2000-10-26'] |
2,116 | ['eng'] | ['Dalvit, D D', 'Mazzitelli, F D', 'Molina-Paris, C'] | ["One-loop graviton corrections to Maxwell's equations"] | ['Particle Physics - Theory'] | ['Maxwell equation', 'correction, higher-order', 'graviton, two-point function', 'approximation, weak field', 'dispersion relations, correction', 'photon, velocity', 'polarization, dependence', 'space-time, Robertson-Walker', 'space-time, static', 'symmetry, rotational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010229'] | ["We compute the graviton induced corrections to Maxwell's equations in the one-loop and weak field approximations. The corrected equations are analogous to the classical equations in anisotropic and inhomogeneous media. We analyze in particular the corrections to the dispersion relations. When the wavelength of the el... | ['2000-10-26'] |
2,117 | ['eng'] | ['Caselle, M', 'Pelissetto, A', 'Vicari, E'] | ['Nonanalyticity of the beta-function and systematic errors in field-theoretic calculations of critical quantities'] | ['Particle Physics - Theory'] | ['renormalization group, beta function', 'perturbation theory, higher-order', 'analytic properties', 'phi**n model, 4', 'field theory, vector', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010228'] | ['We consider the fixed-dimension perturbative expansion. We discuss the nonanalyticity of the renormalization-group functions at the fixed point and its consequences for the numerical determination of critical quantities.'] | ['2000-10-26'] |
2,118 | ['eng'] | ['Aguado, M', 'Asorey, M', 'Estève, J G'] | ['Vacuum Nodes and Anomalies in Quantum Theories'] | ['Particle Physics - Theory'] | ['magnetic field', 'Hamiltonian formalism', 'ground state', 'Hall effect', 'space-time, anomaly', 'parity, violation', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010227'] | ['We show that nodal points of ground states of some quantum systems with magnetic interactions can be identified in simple geometric terms. We analyse in detail two different archetypical systems: i) a planar rotor with a non-trivial magnetic flux $\\Phi$, ii) Hall effect on a torus. In the case of the planar rotor we... | ['2000-10-26'] |
2,119 | ['eng'] | ['Grigore, D R'] | ['The Renormalization of the Non-Abelian Gauge Theories in the Causal Approach'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3) x SU(2) x U(1)', 'Higgs model', 'fermion', 'invariance, gauge', 'renormalization', 'anomaly', 'perturbation theory, higher-order', 'axiomatic field theory', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010226'] | ['We consider the gauge invariance of the standard Yang-Mills model in the framework of the causal approach of Epstein-Glaser and Scharf and we prove the following result: if the anomalies are absent in lower orders of the perturbation theory (more precisely for $n \\leq 6$) then they are absent in all orders of pertur... | ['2000-10-26'] |
2,120 | ['eng'] | ['Hooft, G', 'Bruckmann, F'] | ['Monopoles, Instantons and Confinement'] | ['Particle Physics - Theory'] | ['lectures, Saalburg 2000/09/04', 'magnetic monopole', 'instanton', 'dimension, 2-4', 'field theory, scalar', 'fermion, chiral', 'soliton', 'gauge field theory, U(1)', 'vortex', 'gauge field theory, SU(2)', 'charge, topological', 'confinement', 'effective Lagrangian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010225'] | ['We review the physics of topological objects in QCD. Topics include: solitons, vortices, magnetic monopoles, instantons, (effective theories of) confinement.'] | ['2000-10-26'] |
2,121 | ['eng'] | ['Gepner, D', 'Kerner, D'] | ['Pseudoconformal field theory at the "wrong level"'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, affine', 'field theory, conformal', 'algebra, fusion', 'fermion, parastatistics', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010224'] | ['Pseudoaffine theories are characterized by formal replacement of the level to the fractional number: $k\\to\\frac{k}{q}$, where $q$ is integer strange to $k(g+k)$ ($g$ - dual Coxeter number). An example of "forbidden" $q$ is considered (SU(2), $q=2$). The fusions of obtained theory are similar to the affine ones. Spe... | ['2000-10-26'] |
2,122 | ['eng'] | ['Mayr, Peter'] | ['Phases of Supersymmetric D-branes on Kaehler Manifolds and the McKay correspondence'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supersymmetry', 'field theory, Kaehler', 'field theory, Calabi-Yau', 'string model', 'group theory', 'topology', 'moduli space', 'critical phenomena', 'zero mode', 'sigma model', 'Landau-Ginzburg model', 'monodromy', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010223'] | ['We study the topological zero mode sector of type II strings on a K\\"ahler manifold $X$ in the presence of boundaries. We construct two finite bases, in a sense bosonic and fermionic, that generate the the topological sector of the Hilbert space with boundaries. The fermionic basis localizes on compact submanifolds ... | ['2000-10-26'] |
2,123 | ['eng'] | ['Denef, F'] | ['On the correspondence between D-branes and stationary supergravity solutions of type II Calabi-Yau compactifications'] | ['Particle Physics - Theory'] | ['talk, Montreal 2000/03/22', 'string model', 'supersymmetry', 'spontaneous compactification, Calabi-Yau', 'supergravity', 'field equations, solution', 'symmetry, rotational', 'soliton, BPS', 'membrane model, D-brane', 'stability', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010222'] | ['In this talk, I review how four dimensional stationary supergravity solutions that are more general than spherically symmetric black holes emerge naturally in the low energy description of BPS states in type II Calabi-Yau compactifications. An explicit construction of multicenter solutions using single center attract... | ['2000-10-26'] |
2,124 | ['eng'] | ['Hamanaka, M', 'Terashima, S'] | ['On Exact Noncommutative BPS Solitons'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'Higgs model', 'differential geometry, noncommutative', 'dimension, 3', 'dimension, 4', 'soliton, BPS', 'magnetic monopole', 'instanton', 'fluxon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010221'] | ["We construct new exact BPS solitons in various noncommutative gauge theories by the ``gauge'' transformation of known BPS solitons. This ``gauge'' transformation introduced by Harvey et al. adds the known soliton to localized solitons. These solitons include, for example, the bound state of the noncommutative Abelian... | ['2000-10-26'] |
2,125 | ['eng'] | ['Dolan, L'] | ['Vertex Operators for AdS3 with Ramond Background'] | ['Particle Physics - Theory'] | ['review', 'operator, vertex', 'string model', 'supersymmetry, algebra', 'space-time, anti-de Sitter', 'space, S(3)', 'constraint', 'supergravity', 'background, Ramond'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010219'] | ['This review gives results on vertex operators for the Type IIB superstring in an AdS3 x S3 background with Ramond-Ramond flux, which were presented at Strings 2000. Constraint equations for these vertex operators are derived, and their components are shown to satisfy the supergravity linearized equations of motion fo... | ['2000-10-25'] |
2,126 | ['eng'] | ['Andreev, O D'] | ['Some Computations of Partition Functions and Tachyon Potentials in Background Independent Off-Shell String Theory'] | ['Particle Physics - Theory'] | ['string model', 'boson, string', 'fermion, string', 'field theory, action', 'tachyon, potential', 'partition function', 'field theory, string', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010218'] | ['We discuss what information can be safely extracted from background independent off-shell string theory. The major obstacle in doing so is that renormalization conditions of the underlying world-sheet theories are not exactly known. To get some insight, we first consider the tachyon and gauge field backgrounds and ca... | ['2000-10-25'] |
2,127 | ['eng'] | ['Tomasiello, A'] | ['D-branes on Calabi-Yau manifolds and helices'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'space, Calabi-Yau', 'orbifold', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010217'] | ['We investigate further on the correspondence between branes on a Calabi-Yau in the large volume limit and in the orbifold limit. We conjecture a new procedure which improves computationally the McKay correspondence and prove it in a non trivial example. We point out the relevance of helices and try to draw some gener... | ['2000-10-25'] |
2,128 | ['eng'] | ['Deruelle, N', 'Dolezel, T', 'Katz, J'] | ['Perturbations of brane worlds'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'astrophysics, model', 'Einstein equation, solution', 'dimension, 5', 'fluctuation', 'graviton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010215'] | ['We consider cosmological models where the universe, governed by Einstein\'s equations, is a piece of a five dimensional double-sided anti-de Sitter spacetime (that is, a "$Z_2$-symmetric bulk") with matter confined to its four dimensional Robertson-Walker boundary or "brane". We study the perturbations of such models... | ['2000-10-25'] |
2,129 | ['eng'] | ['Marachevsky, V N'] | ['Casimir energy and dilute dielectric ball'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'matter, dielectric', 'dipole, interaction', 'particle, polarizability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010214'] | ['General formalism of quantum field theory and addition theorem for Bessel functions are applied to derive formula for Casimir-Polder energy of interaction between a polarizable particle and a dilute dielectric ball. The equivalence of dipole-dipole interaction and Casimir energy for dilute homogeneous dielectrics is ... | ['2000-10-25'] |
2,130 | ['eng'] | ['Turko, L'] | ['Macroconstraints from Microsymmetries'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'many-body problem, time dependence', 'symmetry, nonabelian', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010212'] | ['The dynamics governing the evolution of a many body system is constrained by a nonabelian local symmetry. We obtain explicit forms of the global macroscopic condition assuring that at the microscopic level the evolution respects the overall symmetry constraint.'] | ['2000-10-25'] |
2,131 | ['eng'] | ['Alexandre, J', 'Farakos, K', 'Koutsoumbas, G'] | ['Magnetic catalysis in $QED_3$ at finite temperature'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'fermion', 'finite temperature', 'magnetic field, external field', 'propagator', 'polarization', 'perturbation theory, higher-order', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010211'] | ['We solve the Schwinger-Dyson equations for (2+1)-dimensional QED in the presence of a strong external magnetic field. The calculation is done at finite temperature and the fermionic self energy is not supposed to be momentum-independent, which is the usual simplification in such calculations. The phase diagram in the... | ['2000-10-25'] |
2,132 | ['eng'] | ['Ribaric, M', 'Sustersic, L'] | ['Invariances of regularized QED diagrams'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion', 'perturbation theory, higher-order', 'regularization', 'symmetry, space-time', 'symmetry, discrete', 'propagator', 'vertex function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010209'] | ['We consider properties of connected diagrams with fermion-photon interaction and such fermion and photon propagators and vertex function that the values of these diagrams are finite. We establish the properties of these propagators and vertex function that imply that these diagrams are invariant under C, P, T, CP, CT... | ['2000-10-25'] |
2,133 | ['eng'] | ['Myung, Y S'] | ['No-go theorem for gravivector and graviscalar on the brane'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'membrane model, p-brane', 'p-brane, 3', 'field equations, solution', 'plane wave'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010208'] | ['We prove the no-go theorem that the gravivector $(h_{5\\mu})$ and graviscalar $(h_{55})$ cannot have the massless modes on the RS brane. We analyze this model with the de Donder gauge (5D transverse-tracefree gauge). It turns out that $h_{55}$ does not have any bulk (massive) and brane (massless) propagations. On the... | ['2000-10-25'] |
2,134 | ['eng'] | ['Greene, Brian R', 'Schalm, K E', 'Shiu, G'] | ['Dynamical Topology Change in M Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'spontaneous compactification, Calabi-Yau', 'topology', 'vacuum state', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010207'] | ['We study topology change in M theory compactifications on Calabi-Yau three-folds in the presence of G flux (the four form field strength). In particular, we discuss vacuum solutions in strongly coupled heterotic string theory in which the topology change is inevitable within a single spacetime background. For rather ... | ['2000-10-25'] |
2,135 | ['eng'] | ['Mikhailov, A'] | ['Giant Gravitons from Holomorphic Surfaces'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space, sphere', 'dimension, 11', 'graviton', 'soliton, BPS', 'geometry', 'membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010206'] | ['We introduce a class of supersymmetric cycles in spacetimes of the form AdS times a sphere or $T^{1,1}$ which can be considered as generalizations of the giant gravitons. Branes wrapped on these cycles preserve $1\\over 2$, $1\\over 4$ or $1\\over 8$ of the supersymmetry. On the CFT side these configurations correspo... | ['2000-10-25'] |
2,136 | ['eng'] | ['Brevik, I', 'Milton, K A', 'Nojiri, S', 'Odintsov, S D'] | ['Quantum (In)Stability of a Brane-World $AdS_{5}$ Universe at Nonzero Temperature'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'space-time, anti-de Sitter', 'dimension, 5', 'finite temperature, high', 'finite temperature, low', 'energy', 'stability', 'supersymmetry, symmetry breaking', 'effective potential', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010205'] | ['We consider the quantum effects of bulk matter (scalars, spinors) in the Randall-Sundrum AdS$_5$ brane-world at nonzero temperature. The thermodynamic energy (modulus potential) is evaluated at low and high temperatures. This potential has an extremum which could be a minimum in some cases (for example, for a single ... | ['2000-10-24'] |
2,137 | ['eng'] | ['Mehen, T', 'Wise, M B'] | ['Generalized Products, Wilson Lines and the Solution of the Seiberg-Witten Equations'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'differential geometry, noncommutative', 'Wilson loop', 'Seiberg-Witten model', 'transformation, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010204'] | ["Higher order terms in the effective action of noncommutative gauge theories exhibit generalizations of the *-product (e.g. *' and *-3). These terms do not manifestly respect the noncommutative gauge invariance of the tree level action. In U(1) gauge theories, we note that these generalized *-products occur in the exp... | ['2000-10-24'] |
2,138 | ['eng'] | ['Alvarez, Enrique', 'Mazzitelli, F D'] | ['Covariant perturbation theory and the Randall-Sundrum picture'] | ['Particle Physics - Theory'] | ['gravitation', 'Randall-Sundrum model', 'dimension, >4', 'effective action', 'perturbation theory, higher-order', 'expansion, nonlocal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010203'] | ['The effective action for quantum fields on a $d$-dimensional spacetime can be computed using a non local expansion in powers of the curvature. We show explicitly that, for conformal fields and up to quadratic order in the curvature, the non local effective action is equivalent to the $d+1$ action for classical gravit... | ['2000-10-24'] |
2,139 | ['eng'] | ['Kennedy, C', 'Prodanov, E M'] | ['Standard Cosmology on a Self-Tuning Domain Wall'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'field theory, scalar', 'fluid, anisotropy', 'domain wall', 'Einstein equation, solution', 'pressure', 'membrane model', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010202'] | ['We investigate the cosmology of (4+1)-dimensional gravity coupled to a scalar field and a bulk anisotropic fluid within the context of the single-brane Randall-Sundrum scenario. Assuming a separable metric, a static fifth radius and the scalar to depend only on the fifth direction, we find that the warp factor is giv... | ['2000-10-24'] |
2,140 | ['eng'] | ['Dunne, G', 'Kogan, I I', 'Kovner, A', 'Tekin, B'] | ['Deconfining Phase Transition in 2+1 D'] | ['Particle Physics - Theory'] | ['Georgi-Glashow model', 'dimension, 3', 'finite temperature', 'critical phenomena, confinement', 'renormalization group', 'operator, vortex', 'magnetic monopole', 'Polyakov loop', 'effective action', 'correlation function', 'symmetry, Z(2)', 'universality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010201'] | ['We analyze the finite temperature deconfining phase transition in 2+1 dimensional Georgi-Glashow model. We show explicitly that the transition is due to the restoration of the magnetic $Z_2$ symmetry and that it is in the Ising universality class. We find that neglecting effects of the charged $W$ bosons leads to inc... | ['2000-10-24'] |
2,141 | ['eng'] | ['Klemm, D', 'Sabra, W A'] | ['Charged Rotating Black Holes in 5d Einstein-Maxwell-(A)dS Gravity'] | ['Particle Physics - Theory'] | ['black hole, rotator', 'Einstein-Maxwell equation', 'dimension, 5', 'space-time, de Sitter', 'space-time, anti-de Sitter', 'horizon', 'temperature', 'entropy', 'Chern-Simons term', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010200'] | ['We obtain charged rotating black hole solutions to the theory of Einstein-Maxwell gravity with cosmological constant in five dimensions. Some of the physical properties of these black holes are discussed.'] | ['2000-10-24'] |
2,142 | ['eng'] | ['Dowker, S', 'Gilkey, P B', 'Kirsten, K'] | ['On properties of the asymptotic expansion of the heat trace for the N/D problem'] | ['Particle Physics - Theory'] | ['finite temperature', 'asymptotic expansion', 'boundary condition', 'heat kernel', 'partial wave', 'dispersion relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010199'] | ['The spectral problem where the field satisfies Dirichlet conditions on one part of the boundary of the relevant domain and Neumann on the remainder is discussed. It is shown that there does not exist a classical asymptotic expansion for short time in terms of fractional powers of $t$ with locally computable coefficie... | ['2000-10-24'] |
2,143 | ['eng'] | ['Blumenhagen, R', 'Görlich, L', 'Körs, B', 'Lüst, Dieter'] | ['Magnetic Flux in Toroidal Type I Compactification'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'talk, Rome 2000/07/02', 'string model', 'supersymmetry', 'spontaneous compactification, torus', 'mass spectrum', 'flux, magnetic', 'scattering amplitude, higher-order', 'membrane model, D-brane', 'T-duality', 'geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010198'] | ['We discuss the compactification of type I strings on a torus with additional background gauge flux on the D9-branes. The solutions to the cancellation of the RR tadpoles display various phenomenologically attractive features: supersymmetry breaking, chiral fermions and the opportunity to reduce the rank of the gauge ... | ['2000-10-24'] |
2,144 | ['eng'] | ['Parwani, R R'] | ['Bounds On The Sum Of A Divergent Series'] | ['Particle Physics - Theory'] | ['perturbation theory, higher-order', 'analytic properties', 'asymptotic expansion', 'quantum electrodynamics', 'effective action', 'dimension, 4', 'phi**n model, 4', 'symmetry, O(N)', 'dimension, 3', 'finite temperature', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010197'] | ['Given a truncated perturbation expansion of a physical quantity, one can, under certain circumstances, obtain lower or upper bounds (or both) to the sum of the full perturbation series by using the Borel transform and a variational conformal map. The method is illustrated by applying it to various mathematical toy-mo... | ['2000-10-24'] |
2,145 | ['eng'] | ['Govindarajan, S', 'Jayaraman, T'] | ['D-branes, Exceptional Sheaves and Quivers on Calabi-Yau manifolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, Calabi-Yau', 'geometry, algebra', 'orbifold', 'moduli space', 'sigma model, linear', 'gauge field theory', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010196'] | ['We present a method based on mutations of helices which leads to the construction (in the large volume limit) of exceptional coherent sheaves associated with the $(\\sum_al_a=0)$ orbits in Gepner models. This is explicitly verified for a few examples including some cases where the ambient weighted projective space ha... | ['2000-10-24'] |
2,146 | ['eng'] | ['Bergshoeff, E A', 'Van Proeyen, A'] | ['Symmetries of string, M and F-theories'] | ['Particle Physics - Theory'] | ['talk, Istanbul 2000/06/19', 'F-theory', 'dimension, 12', 'M-theory', 'dimension, 11', 'string model', 'dimension, 10', 'supersymmetry', 'algebra, Poincare', 'algebra, conformal', 'algebra, representation', 'algebra, OSp(1/32)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010195'] | ['The d=10 type II string theories, d=11 M-theory and d=12 F-theory have the same symmetry group. It can be viewed either as a subgroup of a conformal group OSp(1|64) or as a contraction of OSp(1|32). The theories are related by different identifications of their symmetry operators as generators of OSp(1|32). T- and S-... | ['2000-10-24'] |
2,147 | ['eng'] | ['Bergshoeff, E A', 'Van Proeyen, A'] | ['The unifying superalgebra OSp(1|32)'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'algebra, OSp(1/32)', 'supersymmetry, algebra', 'string model', 'dimension, 10', 'M-theory', 'dimension, 11', 'F-theory', 'dimension, 12', 'dimensional reduction', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010194'] | ['We show how OSp(1|32) gives a unifying framework to describe d=10 type II string theories, d=11 M-theory and d=12 F-theory. The theories are related by different identifications of their symmetry operators as generators of OSp(1|32). T- and S-dualities are recognized as redefinitions of generators. Some (s,t) signatu... | ['2000-10-24'] |
2,148 | ['eng'] | ['Lee, H M'] | ['Gauss-Bonnet interaction in Randall-Sundrum compactification'] | ['Particle Physics - Theory'] | ['talk, Cheju Island 2000/09/04', 'Randall-Sundrum model', 'dimension, 4', 'dimension, 5', 'field equations, solution', 'astrophysics, model', 'inflationary universe', 'membrane model', 'Gauss-Bonnet term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010193'] | ['We show that the Gauss-Bonnet term is the only consistent curvature squared interaction in the Randall-Sundrum model and various static and inflationary solutions can be found. And from metric perturbations around the RS background with a single brane embedded, we also show that for a vanishing Gauss-Bonnet coefficie... | ['2000-10-24'] |
2,149 | ['eng'] | ['Lee, J'] | ['Tunneling between the giant gravitons in AdS5 x S5'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'space, sphere', 'space-time, anti-de Sitter', 'dimension, 10', 'field equations, instanton', 'tunneling', 'graviton', 'field theory, Euclidean', 'supersymmetry, symmetry breaking', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010191'] | ['I consider the giant gravitons in AdS5 x S5, and construct the instanton solution describing the tunneling between the giant graviton in the AdS5 and the one in the S5. It is proven that this solution breaks the supersymmetry completely. The value of the Euclidean action for this solution is also estimated.'] | ['2000-10-24'] |
2,150 | ['eng'] | ['Zwiebach, B'] | ['Trimming the Tachyon String Field with SU(1,1)'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'tachyon', 'symmetry, SU(1,1)', 'symmetry, discrete', 'transformation, Becchi-Rouet-Stora', 'analytic properties', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010190'] | ['A discrete symmetry of the string field tachyon condensate noted by Hata and Shinohara is identified as a discrete subgroup of an SU(1,1) symmetry acting on the ghost coordinates. This symmetry, known from early studies of free gauge invariant string field actions, extends to off-shell interactions only for very rest... | ['2000-10-24'] |
2,151 | ['eng'] | ['Hatsuda, M', 'Sakaguchi, M'] | ['Open Superstring Theory and Superalgebra of the Brane Antibrane System'] | ['Particle Physics - Theory'] | ['string model, open', 'supersymmetry, algebra', 'tachyon', 'membrane model, D-brane', 'membrane model, p-brane', 'symmetry, spontaneously broken'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010189'] | ['Open superstring theory is formulated in terms of a nondegenerate supertranslation algebra. Spontaneously broken supersymmetry is described by the auxiliary fields which arise as parameters of this algebra and lead to a tachyonic open superstring. The anticommutator of two supercharges of the tachyonic superstring do... | ['2000-10-24'] |
2,152 | ['eng'] | ['Su, J C'] | ['New Quantization Method of The Electroweak Theory in The Hamiltonian Path-Integral Formalism'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'gauge field theory, SU(2) x U(1)', 'quantization', 'path integral', 'Hamiltonian formalism', 'dependence, gauge', 'Feynman graph'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010188'] | ['The quantization of the SU(2)$\\times $U(1) gauge-symmetric electroweak theory is performed in the Hamiltonian path-integral formalism. In this quantization, we start from the Lagrangian given in the unitary gauge in which the unphysical Goldstone fields are absent, but the unphysical longitudinal components of the g... | ['2000-10-24'] |
2,153 | ['eng'] | ['Deffayet, C'] | ['Cosmology on a Brane in Minkowski Bulk'] | ['Particle Physics - Theory'] | ['dimension, 5', 'astrophysics, fundamental constant', 'astrophysics, model', 'gravitation', 'membrane model, p-brane', 'p-brane, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010186'] | ["We discuss the cosmology of a 3-brane embedded in a 5D bulk space-time with a cosmological constant when an intrinsic curvature Ricci scalar is included in the brane action. After deriving the `brane-Friedmann' equations for a Z_2 symmetrical metric, we focus on the case of a Minkowski bulk. We show that there exist ... | ['2000-10-24'] |
2,154 | ['eng'] | ['Giannakis, I', 'Ren, H'] | ['Possible Extensions of the 4-d Schwarzschild Horizon in the Brane World'] | ['Particle Physics - Theory'] | ['horizon, Schwarzschild', 'membrane model', 'Randall-Sundrum model', 'Einstein equation', 'dimension, 5', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010183'] | ['We show that, in the absence of matter in the bulk, the Einstein equations and the Gauss-normal form of the metric place stringent restrictions on the form of the event horizon. As a consequence, the off-brane extension of the standard 4-D Schwarzschild horizon, in the coordinate system based on the brane can only be... | ['2000-10-23'] |
2,155 | ['eng'] | ['Peeters, K', 'Vanhove, P', 'Westerberg, A'] | ['Supersymmetric $R^{4}$ actions and quantum corrections to superspace torsion constraints'] | ['Particle Physics - Theory'] | ['talk, Kiev 2000/09/24', 'talk, Moscow 2000/06/05', 'talk, Copenhagen 2000/05/04', 'gauge field theory, Yang-Mills', 'dimension, 10', 'supersymmetry, superspace', 'supergravity', 'dimension, 11', 'field theory, action', 'derivative, high', 'anomaly', 'torsion, constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010182'] | ['We present the supersymmetrisation of the anomaly-related R^4 term in eleven dimensions and show that it induces no non-trivial modifications to the on-shell supertranslation algebra and the superspace torsion constraints before inclusion of gauge-field terms.'] | ['2000-10-23'] |
2,156 | ['eng'] | ['Larsen, F'] | ['Fundamental Strings as Noncommutative Solitons'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'field theory, string', 'string, open', 'soliton', 'differential geometry, noncommutative', 'Born-Infeld model', 'operator, algebra', 'fluctuation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010181'] | ['The interpretation of closed fundamental strings as solitons in open string field theory is reviewed. Noncommutativity is introduced to facilitate an explicit construction. The tension is computed exactly and the correct spectrum is recovered at long wave length.'] | ['2000-10-23'] |
2,157 | ['eng'] | ['Kapoyannis, A S', 'Tetradis, N'] | ['Quantum-mechanical tunnelling and the renormalization group'] | ['Particle Physics - Theory'] | ['renormalization group', 'tunneling', 'expansion, derivative', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010180'] | ['We explore the applicability of the exact renormalization group to the study of tunnelling phenomena. We investigate quantum-mechanical systems whose energy eigenstates are affected significantly by tunnelling through a barrier in the potential. Within the approximation of the derivative expansion, we find that the e... | ['2000-10-23'] |
2,158 | ['eng'] | ['Dudas, E A', 'Mourad, J'] | ['D-branes in non-tachyonic 0B orientifolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'orientifold', 'fermion, chiral', 'spontaneous compactification, orbifold', 'anomaly', 'Wess-Zumino term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010179'] | ["We determine all D-branes in the non-tachyonic 0'B orientifold, examine their world-volume anomalies and study orbifold compactifications. We find that the spectrum of the D-branes contains chiral fermions in the symmetric, antisymmetric and fundamental representations of (unitary) gauge groups on the branes. The can... | ['2000-10-23'] |
2,159 | ['eng'] | ['Steer, D A', 'Nicola, A G', 'Rivers, R J', 'Evans, T S'] | ['Exploiting duality in a toy model of QCD at non-zero temperature and chemical potential'] | ['Particle Physics - Theory'] | ['talk, Marseille 2000/06/14', 'sine-Gordon model', 'Thirring model, massive', 'dimension, 2', 'gas, Coulomb', 'finite temperature', 'potential, chemical', 'duality', 'transport theory', 'fermion, condensation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010178'] | ['We focus on the massive Thirring model in 1+1 dimensions at finite temperature and non-zero chemical potential, and comment on some parallels between this model and QCD. In QCD, calculations of physical quantities such as transport coefficients are extremely difficult. In the massive Thirring model, similar calculati... | ['2000-10-23'] |
2,160 | ['eng'] | ['Grisaru, Marc T', 'Penati, S'] | ['Noncommutative Supersymmetric Gauge Anomaly'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'coupling, matter', 'matter, chiral', 'differential geometry, noncommutative', 'anomaly, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010177'] | ['We extend the general method of hep-th/0009192 to compute the consistent gauge anomaly for noncommutative 4d SSYM coupled to chiral matter. The choice of the minimal homotopy path allows us to obtain a simple and compact result. We perform the reduction to components in the WZ gauge proving that our result contains, ... | ['2000-10-23'] |
2,161 | ['eng'] | ['Osland, P', 'Zhang, J'] | ['Critical Phenomenon of a Consistent q-Deformed Squeezed State'] | ['Particle Physics - Theory'] | ['algebra, Heisenberg', 'commutation relations', 'algebra, deformation', 'coherent state', 'squeezed state', 'uncertainty relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010176'] | ["Within a self-consistent framework of q-deformed Heisenberg algebra and its equivalent framework of q-deformed boson commutation relations, which relate to the under-cutting phenomenon of Heisenberg's minimal uncertainty relation, special q-deformed squeezed states are constructed. Besides the similar local maximum s... | ['2000-10-23'] |
2,162 | ['eng'] | ['Chaichian, Masud', 'Sheikh-Jabbari, S', 'Tureanu, A'] | ['Hydrogen Atom Spectrum and the Lamb Shift in Noncommutative QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, noncommutative', 'hydrogen, energy levels', 'Lamb shift', 'atom, transition', 'Zeeman effect', 'Stark effect', 'potential, Coulomb'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010175'] | ['We have calculated the energy levels of the hydrogen atom and as well the Lamb shift within the noncommutative quantum electrodynamics theory. The results show deviations from the usual QED both on the classical and on the quantum levels. On both levels, the deviations depend on the parameter of space/space noncommut... | ['2000-10-23'] |
2,163 | ['eng'] | ['Hara, T', 'Yoneya, T'] | ['Nonlinear Supersymmetry Without the GSO Projection and Unstable D9-Brane'] | ['Particle Physics - Theory'] | ['string model, open', 'supersymmetry, nonlinear', 'dimension, 10', 'effective action', 'membrane model, D-brane', 'membrane model, p-brane', 'Born-Infeld model', 'scattering amplitude, higher-order', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010173'] | ['Orientable open string theories containing both bosons and fermions without the GSO projection are expected to have the 10 dimensional N=2(A) space-time supersymmetry in a spontaneously broken phase. We study the low-energy theorem for the nonlinearly realized N=2 supersymmetry using the effective action for an unsta... | ['2000-10-23'] |
2,164 | ['eng'] | ['Yoneya, T'] | ['Space-Time Uncertainty and Noncommutativity in String Theory'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'talk, Seoul 2000/06/12', 'string model', 'space-time', 'uncertainty relations', 'critical phenomena', 'differential geometry, noncommutative', 'field theory, action', 'quantization', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010172'] | ['We analyze the nature of space-time nonlocality in string theory. After giving a brief overview on the conjecture of the space-time uncertainty principle, a (semi-classical) reformulation of string quantum mechanics, in which the dynamics is represented by the noncommutativity between temporal and spatial coordinates... | ['2000-10-23'] |
2,165 | ['eng'] | ['Duff, Michael J', 'Liu, J T'] | ['Hodge Duality on the Brane'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, >4', 'field theory, scalar', 'field theory, tensor', 'differential forms', 'Kaluza-Klein model', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010171'] | ['It has been claimed that whereas scalars can bound to a Randall-Sundrum brane, higher p-form potentials cannot, in contradiction with the Hodge duality between 0-form and 3-form potentials in the five-dimensional bulk. Here we show that a 3-form in the bulk correctly yields a 2-form on the brane, in complete agreemen... | ['2000-10-23'] |
2,166 | ['eng'] | ['Kubota, T', 'Zhou Jian Ge'] | ['RR charges of D2-branes in group manifold and Hanany-Witten effect'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'group theory, SU(2)', 'group theory, geometrical', 'phase space', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010170'] | ['By exploiting the correspondence between the Cardy boundary state in SU(2) group manifold and the BPS D3-brane configuration in the full asymptotically flat geometry of NS5-branes, we show that the Hanany-Witten effect in 10D background is encoded in the Cardy boundary states. The two RR Page D0 charges of the $n$-th... | ['2000-10-20'] |
2,167 | ['eng'] | ['Harmark, T', 'Obers, N A'] | ['Hagedorn Behavior of Little String Theories'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'string model', 'supersymmetry', 'dimension, 6', 'temperature, Hagedorn', 'entropy', 'perturbation theory, higher-order', 'field equations, solution', 'membrane model', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010169'] | ['We examine the Hagedorn behavior of little string theory using its conjectured duality with near-horizon NS5-branes. In particular, by studying the string-corrected NS5-brane supergravity solution, it is shown that tree-level corrections to the temperature vanish, while the leading one-loop string correction generate... | ['2000-10-20'] |
2,168 | ['eng'] | ['Ferreira, L A', 'Sánchez-Guillén, J'] | ['Infinite symmetries in the Skyrme model'] | ['Particle Physics - Theory'] | ['Skyrme model', 'current, conservation law', 'soliton', 'symmetry, SU(2) x U(1)', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010168'] | ['We show that the Skyrme theory possesses a submodel with an infinite number of local conserved currents. The soliton solutions constructed through rational map Ansatz, belong to such integrable sector of the theory. The constraints leading to the submodel explore a decomposition of SU(2) with a complex field parametr... | ['2000-10-20'] |
2,169 | ['eng'] | ['Peeters, K', 'Vanhove, P', 'Westerberg, A'] | ['Supersymmetric higher-derivative actions in ten and eleven dimensions, the associated superalgebras and their formulation in superspace'] | ['Particle Physics - Theory'] | ['M-theory', 'string model', 'supersymmetry, algebra', 'supersymmetry, superspace', 'supersymmetry, representation', 'field theory, action', 'dimension, 10', 'dimension, 11', 'derivative, high', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010167'] | ['Higher-derivative terms in the string and M-theory effective actions are strongly constrained by supersymmetry. Using a mixture of techniques, involving both string amplitude calculations and an analysis of supersymmetry requirements, we determine the supersymmetric completion of the R^4 action in eleven dimensions t... | ['2000-10-20'] |
2,170 | ['eng'] | ['Vyas, V'] | ['Introducing Quarks in Confining Strings via the Fermionic Wilson Loop'] | ['Particle Physics - Theory'] | ['quantum chromodynamics, effective action', 'gauge field theory, SU(N)', 'Wilson loop', 'gauge field theory, U(1)', 'meson, string model', 'confinement'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010166'] | ['In the world line representation of the fermionic effective action for QCD the interaction between Fermions and the gauge field is contained in the fermionic Wilson loop, namely the Wilson loop for a spin-half particle. It is argued that a string representation of the fermionic Wilson loop can provide a link connecti... | ['2000-10-20'] |
2,171 | ['eng'] | ['Ho, P M'] | ['Fuzzy Sphere from Matrix Model'] | ['Particle Physics - Theory'] | ['membrane model', 'matrix model', 'sphere, fuzzy', 'space-time, geometry', 'fermion, zero mode', 'gauge field theory, U(N)', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010165'] | ['Using a D0-brane as a probe, we study the spacetime geometry in the neighborhood of N D-branes in matrix theory. We find that due to fermionic zero modes, the coordinates of the probe in the transverse directions are noncommutative, and the angular part is a fuzzy sphere.'] | ['2000-10-20'] |
2,172 | ['eng'] | ['Ochiai, H'] | ['Vacuum Brane and the Bulk Dynamics in Dilatonic Brane World'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'gauge field theory, Yang-Mills', 'Higgs model', 'astrophysics, fundamental constant', 'dimension, >4', 'field equations, solution', 'vacuum state', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010163'] | ['We investigate the dynamics of vacuum brane and the bulk in dilatonic brane world. We present exact dynamical solutions which describe the vacuum dilatonic brane world. We find that the solution has initial singularity and singularity at spatial infinity.'] | ['2000-10-20'] |
2,173 | ['eng'] | ['Kizilersü, A', 'Schreiber, A W', 'Williams, A G'] | ['Regularization-independent studies of nonperturbative field theory'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion', 'Dyson-Schwinger equation', 'propagator', 'approximation, quenching', 'regularization, dependence', 'renormalization', 'mass spectrum', 'anomaly', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010161'] | ['We propose a regularization-independent method for studying a renormalizable field theory nonperturbatively through its Dyson-Schwinger equations. Using QED_4 as an example, we show how the coupled equations determining the nonperturbative fermion and photon propagators can be written entirely in terms of renormalize... | ['2000-10-20'] |
2,174 | ['eng'] | ['Huang, W H'] | ['Casimir Effect on the Radius Stabilization of the Noncommutative Torus'] | ['Particle Physics - Theory'] | ['phi**n model, 3', 'dimension, >4', 'space, torus', 'Kaluza-Klein model', 'spontaneous compactification', 'differential geometry, noncommutative', 'energy, Casimir', 'stability', 'mass spectrum, correction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010160'] | ['We evaluate the one-loop correction to the spectrum of Kaluza-Klein system for the $\\phi^3$ model on $R^{1,d}\\times (T_\\theta^2)^L$, where $1+d$ dimensions are the ordinary flat Minkowski spacetimes and the extra dimensions are the L two-dimensional noncommutative tori with noncommutativity $\\theta$. The correcti... | ['2000-10-20'] |
2,175 | ['eng'] | ['Nesterov, A I', 'Sabinin, L V'] | ['Nonassociative geometry'] | ['Particle Physics - Theory'] | ['space-time, discrete', 'differential geometry, noncommutative', 'space-time, de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010159'] | ['In the framework of nonassociative geometry (hep-th/0003238) a unified description of continuum and discrete spacetime is proposed. In our approach at the Planck scales the spacetime is described as a so-called "diodular discrete structure" which at large spacetime scales `looks like\' a differentiable manifold. Afte... | ['2000-10-20'] |
2,176 | ['eng'] | ['Mack, G'] | ['Universal Dynamics, a Unified Theory of Complex Systems. Emergence, Life and Death'] | ['Particle Physics - Theory'] | ['communications', 'transformation, local', 'chemistry', 'gauge field theory', 'renormalization group', 'differential geometry', 'quantum mechanics', 'biology', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0011074'] | ['A universal framework is proposed, where all laws are regularities of relations between things or agents. Parts of the world at one or all times are modeled as networks called SYSTEMS with a minimum of axiomatic properties. A notion of locality is introduced by declaring some relations direct (or links). Dynamics is ... | ['2000-11-10'] |
2,177 | ['eng'] | ['Acharya, R', 'Swamy, P N'] | ['Patterns of Broken Chiral Symmetry in Quantum Chromodynamics'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'fermion, flavor', 'symmetry, SU(N)', 'symmetry breaking, chiral', 'Hamiltonian formalism', 'operator, algebra', 'anomaly, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010157'] | ['We establish that in Quantum Chromodynamics (QCD) at zero temperature, SU_(L+R)(N_F) exhibits the vector mode conjectured by Georgi and SU_(L-R)(N_F)is realized in either the Nambu-Goldstone mode or else the axial-vector charge is also screened from view at infinity. The Wigner-Weyl mode is ruled out unless the beta ... | ['2000-10-19'] |
2,178 | ['eng'] | ['Yazadjiev, S S'] | ['Exact inhomogeneous Einstein-Maxwell-Dilaton cosmologies'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, U(1)', 'field theory, scalar', 'field equations, solution', 'asymptotic behavior', 'astrophysics, model', 'Einstein-Maxwell equation', 'dilaton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010156'] | ['We present solution generating techniques which permit to construct exact inhomogeneous and anisotropic cosmological solutions to the four-dimensional low energy limit of string theory in presence of elctromagnetic field interacting non-minimally with the dilaton. Some explicit homogeneous and inhomogeneous cosmologi... | ['2000-10-19'] |
2,179 | ['eng'] | ['Brandt, F'] | ['An overview of new supersymmetric gauge theories with 2-form gauge potentials'] | ['Particle Physics - Theory'] | ['talk, Kiev 2000/09/24', 'gauge field theory, tensor', 'differential forms', 'supersymmetry', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010155'] | ['An overview of new 4d supersymmetric gauge theories with 2-form gauge potentials constructed by various authors during the past five years is given. The key role of three particular types of interaction vertices is emphasized. These vertices are used to develop a connecting perspective on the new models and to distin... | ['2000-10-19'] |
2,180 | ['eng'] | ['Niarchos, V'] | ['Density of States and Tachyons in Open and Closed String Theory'] | ['Particle Physics - Theory'] | ['string model, closed', 'string model, open', 'phase space, density', 'tachyon', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010154'] | ['In this note we reexamine the possibility of constructing stable non-supersymmetric theories that exhibit an exponential density of states. For weakly coupled closed strings there is a general theorem, according to which stable theories with an exponential density of states must exhibit an almost exact cancellation o... | ['2000-10-19'] |
2,181 | ['eng'] | ['Fernando, S', 'Mansouri, F'] | ['A Microscopic Basis For The Entropy Of The $AdS_{3}$ Black Hole'] | ['Particle Physics - Theory'] | ['gauge field theory, SL(2,R) x SL(2,R)', 'Chern-Simons term', 'dimension, 3', 'field theory, anti-de Sitter', 'coupling, matter', 'boundary condition', 'Wess-Zumino-Witten model', 'algebra, Virasoro', 'algebra, Kac-Moody', 'black hole, entropy', 'central charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010153'] | ['We show that an $SL(2,R)_L \\times SL(2,R)_R$ Chern-Simons theory coupled to a source on a manifold with the topology of a disk correctly describes the entropy of the ${\\rm AdS}_3$ black hole. The resulting boundary WZNW theory leads to two copies of a twisted affine Kac-Moody algebras for which the respective Viras... | ['2000-10-19'] |
2,182 | ['eng'] | ['Brihaye, Y', 'Hartmann, B', 'Tchrakian, D H'] | ['Monopoles and dyons in SO(3) gauged Skyrme models'] | ['Particle Physics - Theory'] | ['Skyrme model', 'gauge field theory, SO(3)', 'field equations, monopole', 'dyon', 'symmetry, rotational', 'symmetry, axial', 'energy', 'charge, topological', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010152'] | ['Three dimensional SO(3) gauged Skyrme models characterised by specific potentials imposing special asymptotic values on the chiral field are considered. These models are shown to support finite energy solutions with nonvanishing magnetic and electrix flux, whose energies are bounded from below by two distinct charges... | ['2000-10-19'] |
2,183 | ['eng'] | ['Bergshoeff, E A', 'De Roo, M', 'Sevrin, A'] | ['Towards a supersymmetric non-abelian Born-Infeld theory'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'Born-Infeld model', 'field theory, action', 'nonabelian', 'supersymmetry', 'dimension, 10', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010151'] | ['We define an iterative procedure to obtain a non-abelian generalization of the Born-Infeld action. This construction is made possible by the use of the severe restrictions imposed by kappa-symmetry. We have calculated all bosonic terms in the action up to terms quartic in the Yang-Mills field strength and all fermion... | ['2000-10-19'] |
2,184 | ['eng'] | ['Zinoviev, Yu M'] | ['Gravity as Lorentz Force'] | ['Particle Physics - Theory'] | ['gravitation', 'forces, Lorentz', 'electromagnetic field', 'potential, vector', 'space-time, affine'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010150'] | ['The main object of the proposed theory is not a pseudometric, but a symmetric affine connection on the Minkowski space. The coefficients of this connection have one upper and two lower indices. These coefficients are symmetric with respect to the permutation of the lower indices. We identify the convolution of the co... | ['2000-10-19'] |
2,185 | ['eng'] | ['Sochichiu, C'] | ['A Note on Noncommutative and False Noncommutative spaces'] | ['Particle Physics - Theory'] | ['space-time', 'differential geometry, noncommutative', 'algebra, Heisenberg'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010149'] | ['We show that the algebra of functions on noncommutative space allows two different representations. One is describing the genuine noncommutative space, while another one can be rewritten in commutative form by a redefinition of generators.'] | ['2000-10-19'] |
2,186 | ['eng'] | ['Hattori, T'] | ['Compositeness of gauge boson and asymptotic freedom in non-abelian gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, flavor', 'gauge boson, composite', 'asymptotic freedom', 'perturbation theory, higher-order', 'renormalization', 'expansion 1/N'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010147'] | ['In order to investigate the composite gauge field, we consider the compositeness condition (i.e. renormalization constant $Z_3=0$) in the general non-abelian gauge field theory. We calculate $Z_3$ at the next-to-leading order in $1/N_f$ expansion ($N_f$ is the number of fermion flavors), and obtain the expression to ... | ['2000-10-19'] |
2,187 | ['eng'] | ['Quirós, I'] | ['Axion-dilaton-modulus gravity theory of Brans-Dicke-type and conformal symmetry'] | ['Particle Physics - Theory'] | ['Brans-Dicke model', 'axion', 'dilaton', 'invariance, conformal', 'quantum electrodynamics', 'astrophysics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010146'] | ['Conformal symmetry is investigated within the context of axion-dilaton-modulus theory of gravity of Brans-Dicke-type. A distinction is made between general conformal symmetry and invariance under transformations of the physical units. The conformal degree of symmetry of the theory is studied when quantum fermion (lep... | ['2000-10-19'] |
2,188 | ['eng'] | ['Thomas, S'] | ['Holographic Vacuum Energy'] | ['Particle Physics - Theory'] | ['gravitation', 'vacuum state', 'energy', 'holography', 'astrophysics, fundamental constant', 'field theory, conformal', 'field theory, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010145'] | ['Gravitational holography is argued to render the cosmological constant stable against divergent quantum corrections. This provides a technically natural solution to the cosmological constant problem. A natural solution can follow from a symmetry of the action. Evidence for quantum stability of the cosmological consta... | ['2000-10-19'] |
2,189 | ['eng'] | ['Silverstein, E'] | ['Gauge Fields, Scalars, Warped Geometry, and Strings'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'M-theory', 'dimension, >4', 'spontaneous compactification', 'gauge field theory', 'effective action', 'geometry', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010144'] | ['We review results on several interesting phenomena in warped compactifications of M theory, as presented at Strings 2000. The behavior of gauge fields in dimensional reduction from $d+1$ to $d$ dimensions in various backgrounds is explained from the point of view of the holographic duals (and a point raised in the qu... | ['2000-10-19'] |
2,190 | ['eng'] | ['Ganor, O J'] | ['New M(atrix)-models for Commutative and Noncommutative Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'spontaneous compactification, torus', 'matrix model', 'differential geometry, noncommutative', 'duality', 'partition function', 'potential, flat direction', 'regularization', 'instanton, moduli space', 'expansion 1/N', 'symmetry, spin(8)', 'tensor, energy-momentum', 'bibl... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010143'] | ['We propose a M(atrix) model for N=4 $SU(k)$ Super-Yang-Mills theory compactified on $T^4$. In this model it is possible to make $T^4$ noncommutative and it is easy to turn on all 6 components of the noncommutativity on $T^4$. The action of S-duality on the noncommutativity parameters is also manifest. The M(atrix)-mo... | ['2000-10-19'] |
2,191 | ['eng'] | ['Fairbairn, M'] | ['Topological Objects in 5D Maxwell Einstein Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, U(1)', 'dimension, 5', 'field equations, solution', 'topology', 'domain wall', 'Einstein-Maxwell equation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010142'] | ['In this letter is shown that it is possible to obtain scalar hypersurfaces in 5D N=2 SUGRA where the allowed regions with positive definite scalar metric have a non-trivial topology. This situation may aid in the construction of domain wall solutions which confine gravity to 4 dimensions.'] | ['2000-10-18'] |
2,192 | ['eng'] | ['Deger, N S', 'Kaya, A'] | ['AdS/CFT and Randall-Sundrum Model Without a Brane'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'Randall-Sundrum model', 'Kaluza-Klein model', 'field equations, solution', 'graviton, propagator', 'path integral', 'boundary condition', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010141'] | ['We reformulate the Randall-Sundrum (RS) model on the compactified AdS by adding a term proportional to the area of the boundary to the usual gravity action with a negative cosmological constant and show that gravity can still be localized on the boundary without introducing singular brane sources. The boundary condit... | ['2000-10-18'] |
2,193 | ['eng'] | ['Zupnik, B M'] | ['Solving N=3 super-Yang-Mills equations in harmonic superspace'] | ['Particle Physics - Theory'] | ['talk, Dubna 2000/07/31', 'gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'superspace, harmonic', 'constraint', 'field equations, solution', 'light cone gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010139'] | ['We analyze the superfield constraints of the D=4, N=3 SYM-theory using light-cone gauge conditions. The SU(3)/U(1)xU(1) harmonic variables are interpreted as auxiliary spectral parameters, and the transform to the harmonic-superspace representation is considered. Our nilpotent gauge for the basic harmonic superfield ... | ['2000-10-18'] |
2,194 | ['eng'] | ['Skenderis, K'] | ['Asymptotically Anti-de Sitter spacetimes and their stress energy tensor'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'space-time, anti-de Sitter', 'Einstein equation, solution', 'asymptotic behavior', 'infrared problem', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010138'] | ['We consider asymtotically anti-de Sitter spacetimes in general dimensions. We review the origin of infrared divergences in the on-shell gravitational action, and the construction of the renormalized on-shell action by the addition of boundary counterterms. In odd dimensions, the renormalized on-shell action is not in... | ['2000-10-18'] |
2,195 | ['eng'] | ['Arutyunov, G E', 'Frolov, S', 'Petkou, Anastasios C'] | ['Perturbative and instanton corrections to the OPE of CPOs in N=4 $SYM_{4}$'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'operator product expansion', 'operator, algebra', 'perturbation theory, higher-order', 'higher-order, 4', 'n-point function, 4', 'instanton, correction', 'group theory, SU(4)', 'group theory, representation', 'operator, chiral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010137'] | ['We study perturbative and instanton corrections to the Operator Product Expansion of the lowest weight Chiral Primary Operators of N=4 SYM_4. We confirm the recently observed non-renormalization of various operators (notably of the double-trace operator with dimension 4 in the 20 irrep of SU(4)), that appear to be un... | ['2000-10-18'] |
2,196 | ['eng'] | ['Pashnev, A', 'Toppan, F'] | ['On the Classification of N-extended Supersymmetric Quantum Mechanical Systems'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, superfield', 'quantization', 'algebra, Clifford', 'algebra, representation', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010135'] | ['In this paper some properties of the irreducible multiplets of representation for the N = (p, q) - extended supersymmetry in one dimension are discussed. Essentially two results are here presented. At first a peculiar property of the one dimension is exhibited, namely that any multiplet containing 2d (d bosonic and d... | ['2000-10-18'] |
2,197 | ['eng'] | ['Biro, T S', 'Matinyan, S G', 'Müller, B'] | ['Chaotic Quantization of Classical Gauge Fields'] | ['Particle Physics - Theory'] | ['talk, Budapest 2000/08/19', 'gauge field theory, Yang-Mills', 'field theory, classical', 'chaos', 'quantization', 'dimension, >4', 'dimensional reduction', 'Langevin equation', 'Fokker-Planck equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010134'] | ['We argue that higher dimensional classical, nonabelian gauge theory may lead to a lower dimensional quantum field theory due to its inherent chaotic dynamics which acts like stohastic quantization. The dimensional reduction is based upon magnetic screening effects analagous to that in nonabelian plasmas.'] | ['2000-10-18'] |
2,198 | ['eng'] | ['Bijtebier, J'] | ['Towards a 3D reduction of the N-body Bethe-Salpeter equation'] | ['Particle Physics - Theory'] | ['talk, Evora 2000/09/11', 'Bethe-Salpeter equation', 'bound state, (2fermion)', 'potential', 'dimension, 3', 'dimensional reduction', 'fermion, propagator', 'many-body problem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010132'] | ['Starting with the homogeneous Bethe-Salpeter equation for two fermions, we perform a 3D reduction using a series expansion around an unspecified positive-energy instantaneous approximation of the kernel. A second series expansion is made, at the 3D level, in order to get an "hermitian" potential. The combination of b... | ['2000-10-18'] |
2,199 | ['eng'] | ['Vandoren, S', 'van Nieuwenhuizen, P'] | ['New instantons in the double-well potential'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'instanton', 'fluctuation', 'field theory, collective'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010130'] | ['A new instanton solution is found in the quantum-mechanical double-well potential with a four-fermion term. The solution has finite action and depends on one bosonic and four fermionic collective coordinates. We explain why in general the instanton action can depend on collective coordinates.'] | ['2000-10-17'] |
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