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 |
|---|---|---|---|---|---|---|---|---|
2,300 | ['eng'] | ['Cornalba, L'] | ['Tachyon Condensation in Large Magnetic Fields with Background Independent String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'partition function', 'effective action', 'magnetic field, background field', 'tachyon, condensation', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010021'] | ['We discuss the problem of tachyon condensation in the framework of background independent open string field theory. We show, in particular, that the computation of the string field theory action simplifies considerably if one looks at closed string backgrounds with a large B field, and can be carried out exactly for ... | ['2000-10-05'] |
2,301 | ['eng'] | ['Gegenberg, J', 'Kunstatter, G'] | ['Boundary Dynamics of Higher Dimensional Chern-Simons Gravity'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'gauge field theory', 'Chern-Simons term', 'gravitation, action', 'black hole, entropy', 'boundary condition', 'space-time, anti-de Sitter', 'dimension, 5', 'dimension, 4', 'Wess-Zumino-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010020'] | ['We review the relevance to the black hole entropy problem of boundary dynamics in Chern-Simons gravity. We then describe a recent derivation of the action induced on the four dimensional boundary in a five dimensional Chern-Simons gravity theory with gauge invariant, anti-deSitter boundary conditions.'] | ['2000-10-05'] |
2,302 | ['eng'] | ['Su, J C'] | ['Correct Quantization of The Electroweak Theory'] | ['Particle Physics - Theory'] | ['Salam-Weinberg model', 'quantization', 'path integral, determinant', 'effective Lagrangian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010018'] | ['It is argued that the widely accepted quantum electroweak theory which was established in the so-called $R_\\xi $-gauge can not be viewed as perfect because the unphysical degrees of freedom appearing in the theory are not completely eliminated by the introduced gauge conditions. In this paper, the quantization is pe... | ['2000-10-05'] |
2,303 | ['eng'] | ['Nekrasov, N A'] | ['Noncommutative instantons revisited'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'instanton, U(1)', 'instanton, U(N)', 'phase space, Fock space', 'differential forms', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010017'] | ['We find a new gauge in which U(1) noncommutative instantons are explicitly non-singular on the whole noncommutative R^4, thus resolving the previous confusions of the author. We start with the pedagogical introduction to the noncommutative gauge theories.'] | ['2000-10-05'] |
2,304 | ['eng'] | ['Kraus, P', 'Rajaraman, A', 'Shenker, S'] | ['Tachyon Condensation in Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'string model, open', 'membrane model, D-brane', 'differential geometry, noncommutative', 'tachyon, condensation', 'particle, multiplet', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010016'] | ['We show that the decay of the D2-\\bar{D2} system with large worldvolume magnetic fields can be described in noncommutative gauge theory. Tachyon condensation in this system describes the annihilation of D2-\\bar{D2} into $D0$-branes. From the 2+1 dimensional point of view, this is the decay of a nonabelian magnetic ... | ['2000-10-04'] |
2,305 | ['eng'] | ['Dorey, N', 'Hollowood, Timothy J', 'Khoze, V V'] | ['A Brief History of the Stringy Instanton'] | ['Particle Physics - Theory'] | ['talk, Paris 2000/09/07', 'gauge field theory, SU(N)', 'instanton', 'moduli space', 'string model', 'space-time, anti-de Sitter', 'field theory, conformal', 'membrane model, D-brane', 'charge, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010015'] | ['The arcane ADHM construction of Yang-Mills instantons can be very naturally understood in the framework of D-brane dynamics in string theory. In this point-of-view, the mysterious auxiliary symmetry of the ADHM construction arises as a gauge symmetry and the instantons are modified at short distances where string eff... | ['2000-10-04'] |
2,306 | ['eng'] | ['Papantonopoulos, E', 'Pappa, I'] | ['Cosmological Evolution of a Brane Universe in a Type 0 String Background'] | ['Particle Physics - Theory'] | ['string model, background', 'membrane model, D-brane', 'energy, density', 'dimension, 10', 'inflationary universe', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010014'] | ['We study the cosmological evolution of a D3-brane Universe in a type 0 string background. We follow the brane-universe along the radial coordinate of the background and we calculate the energy density which is induced on the brane because of its motion in the bulk. We find that for some typical values of the paramete... | ['2000-10-04'] |
2,307 | ['eng'] | ['Miramontes, J L'] | ['Integrable Quantum Field Theories with Unstable Particles'] | ['Particle Physics - Theory'] | ['talk, Paris 2000/09/07', 'S-matrix, factorization', 'resonance, pole', 'sine-Gordon model', 'particle, width', 'group theory, Lie', 'soliton', 'thermodynamics, Bethe ansatz', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010012'] | ['The structure of a new family of factorised $S$-matrix theories with resonance poles is reviewed. They are conjectured to correspond to the Homogeneous sine-Gordon theories associated with simply laced compact Lie groups. Two of their more remarkable properties are, first, that some of the resonance poles can be trac... | ['2000-10-04'] |
2,308 | ['eng'] | ['Chakrabarti, A', 'Tchrakian, D H'] | ['Antisymmetrised 2p-forms generalising curvature 2-forms; 2, a p-hierarchy of Reissner-Nordstrom type metrics in dimensions $d \\to 2p+1$'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, tensor', 'field theory, action', 'dimension, >4', 'differential forms', 'space-time, Reissner-Nordstroem', 'horizon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010011'] | ['The p-hierarchy of Schwarzschild type metrics obtained in a preceing paper is generalised here to a corresponding Reissner-Nordstrom (RN) type hierarchy in the presence of a point charge q in d-dimensions. Certain special features arising, concerning the horizons and the interior region, are discussed.'] | ['2000-10-04'] |
2,309 | ['eng'] | ['Gubser, S S'] | ['Supersymmetry and F-theory realization of the deformed conifold with three-form flux'] | ['Particle Physics - Theory'] | ['F-theory', 'supergravity', 'supersymmetry, transformation', 'field theory, torus', 'field theory, deformation', 'conifold'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010010'] | ['It is shown that the deformed conifold solution with three-form flux, found by Klebanov and Strassler, is supersymmetric, and that it admits a simple F-theory description in terms of a direct product of the deformed conifold and a torus. Some general remarks on Ramond-Ramond backgrounds and warped compactifications a... | ['2000-10-03'] |
2,310 | ['eng'] | ['Masuda, T'] | ['Normalized Moyal-type $\\star$-product on K\\"{a}hler manifolds'] | ['Particle Physics - Theory'] | ['quantization', 'space, Kaehler', 'field theory, deformation', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010009'] | ['We define a normalized Moyal-type $\\star$-product on general K\\"{a}hler manifolds. Expanding this product perturbatively we show that the cumbersome term, which appears in a Berezin-type product, does not appear at least in the first order of $\\hbar$. This means a normalization factor, which is introduced by Reshe... | ['2000-10-03'] |
2,311 | ['eng'] | ['Ryang, S'] | ['Gauge Symmetry Breaking and Generalized Monopole in Non-BPS D-Brane Action'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'field theory, action', 'symmetry breaking', 'tachyon, condensation', 'magnetic monopole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010007'] | ['Based on the DBI action for the four coincident non-BPS D9-branes in the type IIA string theory we demonstrate that the gauge symmetry breaking through the tachyon condensation into the generalized monopole of codimension five produces a pair of two coincident BPS D4-branes. The nontrivial gauge field configuration i... | ['2000-10-03'] |
2,312 | ['eng'] | ['Eden, B U', 'Schubert, C', 'Sokatchev, Emery S'] | ['Four-Point Functions of Chiral Primary Operators in N=4 SYM'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'gauge field theory, Yang-Mills', 'supersymmetry', 'superspace, harmonic', 'operator, algebra', 'perturbation theory, higher-order', 'operator, chiral', 'n-point function, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010005'] | ["We discuss recent progress in the determination of correlators of chiral primary operators in N=4 Super-Yang-Mills theory, based on a combination of superconformal covariance arguments in N=2 harmonic superspace, and Intriligator's insertion formula. Applying this technique to the calculation of the supercurrent four... | ['2000-10-03'] |
2,313 | ['eng'] | ['Nojiri, S', 'Odintsov, S D', 'Ogushi, S'] | ['Dynamical Brane from Gravitational Dual of N=2 Sp(N) Superconformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'symmetry, Sp(N)', 'duality', 'gravitation', 'derivative, high', 'dimension, 5', 'black hole, anti-de Sitter', 'field theory, conformal', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010004'] | ['The particular model of d5 higher derivative gravity which is dual to ${\\cal N}=2$ $Sp(N)$ SCFT is considered. (Perturbative) AdS Black Hole in such theory is constructed in the next-to-leading order of AdS/CFT correspondence. The surface counterterms are fixed by the conditions of well-defined variational procedure... | ['2000-10-03'] |
2,314 | ['eng'] | ['Akhmedov, E T', 'De Boer, P K', 'Semenoff, Gordon W'] | ['Running couplings and triviality of field theories on non-commutative spaces'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'field theory, Euclidean', 'dimension, 2', 'symmetry, O(N)', 'differential geometry, noncommutative', 'asymptotic freedom', 'expansion 1/N', 'perturbation theory, higher-order', 'Feynman graph, planar', 'renormalization', 'triviality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010003'] | ['We examine the issue of renormalizability of asymtotically free field theories on non-commutative spaces. As an example, we solve the non-commutative O(N) invariant Gross-Neveu model at large N. On commutative space this is a renormalizable model with non-trivial interactions. On the noncommutative space, if we take ... | ['2000-10-03'] |
2,315 | ['eng'] | ['Naka, M', 'Nozaki, M'] | ['Singular Calabi-Yau Manifolds and ADE Classification of CFTs'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, Calabi-Yau', 'field theory, conformal', 'dimension, 2', 'field theory, torus', 'group theory, exceptional', 'group theory, representation', 'partition function', 'invariance, modular', 'Landau-Ginzburg model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010002'] | ['We study superstring propagations on the Calabi-Yau manifold which develops an isolated ADE singularity. This theory has been conjectured to have a holographic dual description in terms of N=2 Landau-Ginzburg theory and Liouville theory. If the Landau-Ginzburg description precisely reflects the information of ADE sin... | ['2000-10-03'] |
2,316 | ['eng'] | ['Wang, P', 'Yue, R H', 'Shi, K J'] | ['Morita Equivalence and Interpolation of The Dirac-Born-infeld Theory on the Non-Commutative Torus'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'Chern-Simons term', 'membrane model, D-brane', 'duality', 'Morita transformation', 'torus, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010001'] | ['In the noncommutative Dirac-Born-Infeld action with Chern-Simons term, an interpolation field $\\Phi$ is used in both DBI action and Chern-Simons term. The Morita equivalence is discussed in both the lagrangian and the Hamiltonian formalisms, which is more transparent in this treatment.'] | ['2000-10-03'] |
2,317 | ['eng'] | ['Bergman, O'] | ['Tachyon condensation in unstable type I D-brane systems'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'stability', 'tachyon, condensation', 'particle, multiplet', 'group theory, representation', 'topology', 'K-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009252'] | ['Type I string theory provides eight classes of unstable D-brane systems. We determine the gauge group and tachyon spectrum for each one, and thereby describe the gauge symmetry breaking pattern in the low-energy world-volume field theory. The topologies of the resulting coset vacuum manifolds are related to the real ... | ['2000-10-02'] |
2,318 | ['eng'] | ['Conrad, J O'] | ['On Fractional Instanton Numbers in Six Dimensional Heterotic E8 x E8 Orbifolds'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, E(8) x E(8)', 'orbifold', 'dimension, 6', 'instanton', 'charge, topological', 'charge, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009251'] | ['We derive the precise relation between level matching condition and fractional instanton numbers in six dimensional, abelian and supersymmetric orbifolds of E8 x E8 heterotic string theory. The fractional part of the two E8 instanton numbers is explicitly calculated in terms of the gauge twist. This relation is then ... | ['2000-10-02'] |
2,319 | ['eng'] | ['Ahn, C', 'Nepomechie, R I'] | ['The scaling supersymmetric Yang-Lee model with boundary'] | ['Particle Physics - Theory'] | ['Yang-Lee model', 'supersymmetry', 'scaling', 'field theory, conformal', 'model, minimal', 'S-matrix', 'Bethe ansatz', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009250'] | ['We define the scaling supersymmetric Yang-Lee model with boundary as the (1,3) perturbation of the superconformal minimal model SM(2/8) (or equivalently, the (1,5) perturbation of the conformal minimal model M(3/8)) with a certain conformal boundary condition. We propose the corresponding boundary S matrix, which is ... | ['2000-10-02'] |
2,320 | ['eng'] | ['Gamboa-Rios, J', 'Méndez, F'] | ['Quantum Gravity at Very High Energies'] | ['Particle Physics - Theory'] | ['quantum gravity', 'time', 'gravitation', 'dimension, 3', 'quantization', 'strong coupling', 'path integral', 'particle, relativistic', 'massless', 'effective action', 'astrophysics, fundamental constant', 'space-time, singularity', 'Einstein equation, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009249'] | ['The problem of time and the quantization of three dimensional gravity in the strong coupling regime is studied following path integral methods. The time is identified with the volume of spacetime. We show that the effective action describes an infinite set of massless relativistic particles moving in a curved three-d... | ['2000-10-02'] |
2,321 | ['eng'] | ['Pershin, V D'] | ['Interaction of higher spin massive fields with gravity in string theory'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'string model', 'field theory, massive', 'spin, 2', 'gravitation', 'sigma model', 'dimension, 2', 'invariance, conformal', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009248'] | ['Derivations of consistent equations of motion for the massive spin two field interacting with gravity is reviewed. From the field theoretical point of view the most general classical action describing consistent causal propagation in vacuum Einstein spacetime is given. It is also shown that the massive spin two field... | ['2000-10-02'] |
2,322 | ['eng'] | ['Kachru, S'] | ['Lectures on Warped Compactifications and Stringy Brane Constructions'] | ['Particle Physics - Theory'] | ['lectures, Boulder 1999/05/30', 'lectures, Trieste 2000/03/27', 'gravitation', 'dimension, 5', 'topology, defect', 'membrane model', 'string model', 'spontaneous compactification', 'space, Calabi-Yau', 'symmetry, mirror', 'hierarchy, gauge', 'astrophysics, fundamental constant', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009247'] | ['In these lectures, two different aspects of brane world scenarios in 5d gravity or string theory are discussed. In the first two lectures, work on how warped compactifications of 5d gravity theories can change the guise of the hierarchy problem and the cosmological constant problem is reviewed, and a discussion of se... | ['2000-10-02'] |
2,323 | ['eng'] | ['Minahan, J A', 'Zwiebach, B'] | ['Effective Tachyon Dynamics in Superstring Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'supersymmetry', 'membrane model, D-brane', 'stability', 'tachyon', 'dimension, 2', 'field equations, kink', 'mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009246'] | ['A recently proposed \\ell=\\infty field theory model of tachyon dynamics for unstable bosonic D-branes has been shown to arise as the two-derivative truncation of (boundary)-string field theory. Using an \\ell\\to \\infty limit appropriate to stable kinks we obtain a model for the tachyon dynamics on unstable D-brane... | ['2000-10-02'] |
2,324 | ['eng'] | ['Kutasov, D', 'Larsen, F'] | ['Partition Sums and Entropy Bounds in Weakly Coupled CFT'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 4', 'dimension, 6', 'space, S(N) x S(1)', 'partition function', 'finite temperature, high', 'particle, multiplet', 'fermion', 'entropy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009244'] | ['We use the partition functions on S^1 x S^n of various conformal field theories in four and six dimensions in the limit of vanishing coupling to study the high temperature thermodynamics. Certain modular properties exhibited by the partition functions help to determine the finite volume corrections, which play a role... | ['2000-10-02'] |
2,325 | ['eng'] | ['Argurio, R', 'Giveon, Amit', 'Shomer, A'] | ['Superstrings on $AdS_{3}$ and Symmetric Products'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, >4', 'space, anti-de Sitter', 'field theory, conformal', 'Wess-Zumino-Witten model, SL(2)', 'dimension, 2', 'coset space', 'operator, vertex', 'operator product expansion', 'particle, multiplet', 'spectra, chiral', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009242'] | ['Some properties of N=2 superstrings on AdS_3 x N are studied. Their spectrum has the same pattern as 2-d CFTs in the moduli space of symmetric products M^p/S_p, where p is associated with the number of long fundamental strings required to construct the AdS_3 background, and M is the spacetime CFT corresponding to sho... | ['2000-10-02'] |
2,326 | ['eng'] | ['Verschelde, H', 'De Pessemier, J'] | ['Study of the O(N) linear $\\sigma$ model at finite temperature using the 2PPI expansion'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 2', 'finite temperature', 'perturbation theory, higher-order', 'renormalization', 'mass spectrum', 'effective potential', 'Goldstone theorem', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009241'] | ["We show that a new expansion which sums seagull and bubble graphs to all orders, can be applied to the O(N) linear sigma model at finite temperature. We prove that this expansion can be renormalised with the usual counterterms in a mass independent scheme and that Goldstone's theorem is satisfied at each order. At th... | ['2000-10-02'] |
2,327 | ['eng'] | ['Mizoguchi, S Y'] | ['Noncompact Gepner Models for Type II Strings on a Conifold and an ALE Instanton'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'string model', 'supersymmetry', 'Gepner model', 'invariance, modular', 'conifold', 'instanton', 'geometry, algebra', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009240'] | ['We construct modular invariant partition functions for type II strings on a conifold and a singular Eguchi-Hanson instanton by means of the SL(2,R)/U(1) version of Gepner models. In the conifold case, we find an extra massless hypermultiplet in the IIB spectrum and argue that it may be identified as a soliton. In the... | ['2000-10-02'] |
2,328 | ['eng'] | ['Lee, C C', 'Ho, C L'] | ['Recurrent dynamical symmetry breaking and restoration by Wilson lines at finite densities on a torus'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion', 'field theory, torus', 'dimension, >4', 'density, finite', 'effective potential', 'perturbation theory, higher-order', 'Wilson loop', 'symmetry, dynamically broken', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0010162'] | ['In this paper we derive the general expression of a one-loop effective potential of the nonintegrable phases of Wilson lines for an SU(N) gauge theory with a massless adjoint fermion defined on the spactime manifold $R^{1,d-3}\\times T^2$ at finite temperature and fermion density. The Phase structure of the vacuum is... | ['2000-10-20'] |
2,329 | ['eng'] | ['Grassi, P A', 'Policastro, G', 'Porrati, Massimo'] | ['Covariant Quantization of the Brink-Schwarz Superparticle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'supersymmetry, superfield', 'quantization', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'dependence, gauge', 'ghost', 'twistor', 'antifield', 'zero mode', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009239'] | ['The quantization of the Brink-Schwarz-Casalbuoni superparticle is performed in an explicitly covariant way using the antibracket formalism. Since an infinite number of ghost fields are required, within a suitable off-shell twistor-like formalism, we are able to fix the gauge of each ghost sector without modifying the... | ['2000-09-29'] |
2,330 | ['eng'] | ['Bytsenko, A A', 'Williams, F L'] | ['Localization of Equivariant Cohomology'] | ['Particle Physics - Theory'] | ['talk, Londrina 2000/04/17', 'space-time', 'loop space', 'cohomology', 'differential forms', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009238'] | ['We present a brief introduction to the Berline-Vergne localization formula which expresses the integral of an equivariant cohomology class as a sum over zeros of a vector field to which that class is related.'] | ['2000-09-29'] |
2,331 | ['eng'] | ['Szabo, R J'] | ['Microscopic Spectrum of the QCD Dirac Operator in Three Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 3', 'fermion', 'operator, Dirac', 'symmetry breaking, flavor', 'effective action', 'supersymmetry', 'scaling', 'approximation, quenching', 'partition function, finite size', 'operator, determinant', 'matrix model, random', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009237'] | ['The microscopic spectral correlators of the Dirac operator in three-dimensional Yang-Mills theory coupled to fundamental fermions and with three or more colours are derived from the supersymmetric formulation of partially quenched effective Lagrangians. The flavour supersymmetry breaking patterns are appropriately id... | ['2000-09-29'] |
2,332 | ['eng'] | ['Brandt, F T', 'Das, A', 'Frenkel, J'] | ['Absence of higher order corrections to the non-Abelian Chern-Simons coefficient'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Chern-Simons term', 'mass, topological', 'Ward identity', 'transformation, Becchi-Rouet-Stora', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009236'] | ['We extend the Coleman-Hill analysis to non-Abelian Chern-Simons theories containing a tree level topological mass term. We show, in the case of a pure Yang-Mills-Chern-Simons theory, that there are no corrections to the coefficient of the Chern-Simons term beyond one loop in the axial gauge. Our arguments use constra... | ['2000-09-29'] |
2,333 | ['eng'] | ['Lópes-Cardoso, G', 'de Wit, B', 'Käppeli, J', 'Mohaupt, T'] | ['Stationary BPS Solutions in N=2 Supergravity with $R^{2}$-Interactions'] | ['Particle Physics - Theory'] | ['supergravity, action', 'dimension, 4', 'supersymmetry', 'multiplet', 'tensor, Weyl', 'black hole', 'charge', 'duality, electromagnetic', 'space-time', 'moduli space', 'BPS'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009234'] | ['We analyze a broad class of stationary solutions with residual N=1 supersymmetry of four-dimensional N=2 supergravity theories with terms quadratic in the Weyl tensor. These terms are encoded in a holomorphic function, which determines the most relevant part of the action and which plays a central role in our analysi... | ['2000-09-29'] |
2,334 | ['eng'] | ['Ardalan, Farhad', 'Sadooghi, N'] | ['Anomaly and Nonplanar Diagrams in Noncommutative Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'differential geometry, noncommutative', 'fermion, chiral', 'anomaly', 'perturbation theory, higher-order', 'Ward identity', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009233'] | ['Anomalies in relation to nonplanar triangle diagrams of noncommutative gauge theory are studied. Local chiral gauge anomaly for noncommutative U(1) and U(N) gauge theories with adjoint matter fields is determined perturbatively and shown to vanish for both planar and nonplanar diagrams. For U(1) gauge theory with fun... | ['2000-09-29'] |
2,335 | ['eng'] | ['Suzuki, A T', 'Schmidt, A G M'] | ['Light-cone gauge integrals'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'light cone gauge', 'perturbation theory, higher-order', 'higher-order, 2', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009232'] | ['The only calculations performed beyond one-loop level in the light-cone gauge make use of the Mandelstam-Leibbrandt (ML) prescription in order to circumvent the notorious gauge dependent poles. Recently we have shown that in the context of negative dimensional integration method (NDIM) such prescription can be altoge... | ['2000-09-29'] |
2,336 | ['eng'] | ['Abou-Zeid, M', 'Dorn, H'] | ['Dynamics of Wilson Observables in Non-Commutative Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'differential geometry, noncommutative', 'expansion 1/N', 'Wilson loop', 'field equations', 'correlation function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009231'] | ["An equation for the quantum average of the gauge invariant Wilson loop in non-commutative Yang-Mills theory with gauge group U(N) is obtained. In the 't Hooft limit, the equation reduces to the loop equation of ordinary Yang-Mills theory. At finite N, the equation involves the quantum averages of the additional gauge... | ['2000-09-29'] |
2,337 | ['eng'] | ['Madore, J', 'Schraml, S', 'Schupp, P', 'Wess, J'] | ['External Fields as Intrinsic Geometry'] | ['Particle Physics - Theory'] | ['space-time', 'differential geometry, noncommutative', 'differential forms', 'field theory', 'external field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009230'] | ['There is an interesting dichotomy between a space-time metric considered as external field in a flat background and the same considered as an intrinsic part of the geometry of space-time. We shall describe and compare two other external fields which can be absorbed into an appropriate redefinition of the geometry, th... | ['2000-09-29'] |
2,338 | ['eng'] | ['Cappelli, A', 'Georgiev, L S', 'Todorov, I T'] | ['Parafermion Hall states from coset projections of abelian conformal theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'Hall effect', 'fermion, parastatistics', 'symmetry, Z(N)', 'coset space', 'electron, cluster', 'wave function', 'superselection rule', 'partition function', 'algebra, chiral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009229'] | ["The Z_k-parafermion Hall state is an incompressible fluid of k-electron clusters generalizing the Pfaffian state of paired electrons. Extending our earlier analysis of the Pfaffian, we introduce two ``parent'' abelian Hall states which reduce to the parafermion state by projecting out some neutral degrees of freedom.... | ['2000-09-29'] |
2,339 | ['eng'] | ['Candelas, P', 'Diaconescu, D E', 'Florea, B', 'Morrison, D R', 'Rajesh, G'] | ['Codimension-Three Bundle Singularities in F-Theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'vacuum state', 'F-theory', 'fibre bundle', 'field theory, Calabi-Yau', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009228'] | ['We study new nonperturbative phenomena in N=1 heterotic string vacua corresponding to pointlike bundle singularities in codimension three. These degenerations result in new four-dimensional infrared physics characterized by light solitonic states whose origin is explained in the dual F-theory model. We also show that... | ['2000-09-28'] |
2,340 | ['eng'] | ['Porrati, Massimo', 'Starinets, A O'] | ['On the Canonical c-Function in 4-d Field Theories Possessing Supergravity Duals'] | ['Particle Physics - Theory'] | ['supergravity', 'duality', 'renormalization group, c-function', 'dimension, 4', 'dimension, 5', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009227'] | ["We study monotonicity and other properties of the canonical c-function (defined through the correlator of the energy-momentum tensor) in some holographic duals of 4-d quantum field theories. The canonical c-function and its derivatives are related to the 5-d Green's function of the dual supergravity theory. While pos... | ['2000-09-28'] |
2,341 | ['eng'] | ['Tseytlin, Arkady A'] | ['Superstrings in AdS in light cone gauge'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'string model', 'supersymmetry', 'dimension, 10', 'space-time, anti-de Sitter', 'space, sphere', 'light cone gauge', 'Hamiltonian formalism', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009226'] | ['We discuss light-cone gauge description of type IIB Green-Schwarz superstring in AdS_5 x S^5 with a hope to make progress towards understanding spectrum of this theory. As in flat space, fixing light cone gauge consists of two steps: (i) fixing kappa symmetry in such a way that the fermionic part of the action does n... | ['2000-09-28'] |
2,342 | ['eng'] | ['Dolan, L', 'Nappi, C R'] | ['A Scaling Limit With Many Noncommutativity Parameters'] | ['Particle Physics - Theory'] | ['string model, open', 'charge', 'quantization, 1', 'phase space', 'magnetic field', 'propagator', 'operator, vertex', 'operator product expansion', 'scaling', 'differential geometry, noncommutative', 'gauge field theory, U(1)**N'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009225'] | ['We derive the worldsheet propagator for an open string with different magnetic fields at the two ends, and use it to compute two distinct noncommutativity parameters, one at each end of the string. The usual scaling limit that leads to noncommutative Yang-Mills can be generalized to a scaling limit in which both nonc... | ['2000-09-28'] |
2,343 | ['eng'] | ['Eyras, E', 'Panda, S'] | ['Non-BPS Branes in a Type I Orbifold'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'membrane model, D-brane', 'stability', 'boundary condition', 'phase space', 'vacuum state', 'ghost', 'instanton', 'parity', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009224'] | ['We analyse the spectrum of non-BPS branes in the type I theory on the orbifold T^4/I_4. We present a detailed analysis of the action of the worldsheet parity \\Omega on the different D-brane boundary state sectors of type IIB on T^4/I_4, using the covariant formulation. Using these results we derive the spectrum of b... | ['2000-09-28'] |
2,344 | ['eng'] | ['Geyer, B', 'Lavrov, P M', 'Moshin, P Y'] | ['Gauge models in modified triplectic quantization'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'gravitation, W(2)', 'dimension, 2', 'torsion', 'quantization, triplectic', 'invariance, Becchi-Rouet-Stora', 'invariance, Sp(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009223'] | ['We apply the modified triplectic formalism for quantizing several popular gauge models - non-abelian antisymmetric tensor field model, W2-gravity and two-dimensional gravity with dynamical torsion. The explicit solutions are obtained for the generating equations of the quantum action and the gauge-fixing functional. ... | ['2000-09-28'] |
2,345 | ['eng'] | ['Bertlmann, Reinhold A', 'Kohlprath, Emmanuel'] | ["Schwinger terms in two-dimensional gravitation and Kallen's method"] | ['Particle Physics - Theory'] | ['gravitation, anomaly', 'dimension, 2', 'fermion, Weyl', 'tensor, energy-momentum', 'two-point function', 'commutation relations', 'Schwinger terms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009222'] | ['We evaluate the gravitational Schwinger terms for the specific two-dimensional model of Weyl fermions in a gravitational background field using a technique introduced by Kallen and find a relation which connects the Schwinger terms with the linearized gravitational anomalies.'] | ['2000-09-28'] |
2,346 | ['eng'] | ['Isidro, J M'] | ['Duality and the Equivalence Principle of Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'differential geometry, Kaehler', 'equivalence principle', 'duality, S-duality', 'quantization', 'phase space, Hilbert space', 'quantum number', 'invariance, reparametrization', 'invariance, SL(2,R)', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009221'] | ["Following a suggestion by Vafa, we present a quantum-mechanical model for S-duality symmetries observed in the quantum theories of fields, strings and branes. Our formalism may be understood as the topological limit of Berezin's metric quantisation of the upper half-plane H, in that the metric dependence has been rem... | ['2000-09-28'] |
2,347 | ['eng'] | ['Kazakov, K A'] | ['On the notion of potential in quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, scalar', 'path integral', 'transformation, Becchi-Rouet-Stora', 'potential', 'perturbation theory, higher-order', 'S-matrix', 'Slavnov identity', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009220'] | ['The problem of consistent definition of the quantum corrected gravitational field is considered in the framework of the $S$-matrix method. Gauge dependence of the one-particle-reducible part of the two-scalar-particle scattering amplitude, with the help of which the potential is usually defined, is investigated at th... | ['2000-09-28'] |
2,348 | ['eng'] | ['Khriplovich, I B'] | ['Equations of Motion of Spinning Relativistic Particles'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'particle, relativistic', 'spin', 'electromagnetic field, external field', 'gravitation, external field', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009218'] | ["The motion of spinning relativistic particles in external electromagnetic and gravitational fields is considered. Covariant equations for this motion are demonstrated to possess pathological solutions, when treated nonperturbatively in spin. A self-consistent approach to the problem is formulated, based on the noncov... | ['2000-09-28'] |
2,349 | ['eng'] | ['Heslop, P J', 'Howe, Paul S'] | ['Harmonic Superspaces and Superconformal Fields'] | ['Particle Physics - Theory'] | ['talk, Paris 2000/09/07', 'field theory, conformal', 'dimension, 2', 'supersymmetry', 'superspace, harmonic', 'group theory, representation', 'group theory, SL(N)', 'group theory, SL(4|N)', 'coset space', 'multiplet, massless'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009217'] | ['Representations of four-dimensional superconformal groups on harmonic superfields are discussed. It is argued that any representation can be given as a superfield on many superflag manifolds. Representations on analytic superspaces do not require constraints. We discuss short representations and how to obtain them as... | ['2000-09-28'] |
2,350 | ['eng'] | ['Nersessian, A P'] | ['D-dimensional massless particle with extended gauge invariance'] | ['Particle Physics - Theory'] | ['talk, Prague 2000/06/22', 'particle, relativistic', 'massless', 'any-dimensional', 'invariance, gauge', 'Hamiltonian formalism', 'differential forms, symplectic', 'group theory, Poincare', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009216'] | ["We propose the model of $D-$dimensional massless particle whose Lagrangian is given by the $N-$th extrinsic curvature of world-line. The system has $N+1$ gauge degrees of freedom constituting $W-$like algebra; the classical trajectories of the model are space-like curves which obey the conditions $k_{N+a}=k_{N-a}$, $... | ['2000-09-28'] |
2,351 | ['eng'] | ['Bardakci, K', 'Konechny, A'] | ['Tachyon instability and Kondo type models'] | ['Particle Physics - Theory'] | ['boson, string model', 'string, open', 'tachyon, mass', 'stability', 'spontaneous compactification, torus', 'field theory, conformal', 'dimension, 2', 'Hamiltonian formalism', 'operator, vertex', 'n-point function, 4', 'Wilson loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009214'] | ["In this paper we investigate the tachyon instability of open bosonic string theory applying methods of boundary conformal field theory. We consider compactifications on maximal tori of various simple Lie algebras with a specific background coupled to the string boundaries. The resulting world-sheet CFT is a free theo... | ['2000-09-28'] |
2,352 | ['eng'] | ['Tatar, R'] | ['A Note on Non-Commutative Field Theory and Stability of Brane-Antibrane Systems'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'p-brane, 5', 'membrane, fractional', 'space, Calabi-Yau', 'stability', 'differential geometry, noncommutative', 'flux, magnetic', 'conifold', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009213'] | ['It has been conjectured that a pair of D5 - anti D5 branes wrapped on some non-trivial two cycle of a Calabi-Yau manifold becomes a stable BPS D3 brane in the presence of a very large B field and magnetic fluxes on their worldvolumes. We discuss this by considering the non-commutative field theory on the worldvolume ... | ['2000-09-27'] |
2,353 | ['eng'] | ['Duff, Michael J', 'Liu, J T', 'Sabra, W A'] | ['Localization of supergravity on the brane'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model', 'supergravity', 'graviton', 'dimension, 5', 'dimension, 4', 'dimensional reduction', 'graviphoton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009212'] | ["A supersymmetric Randall-Sundrum brane-world demands that not merely the graviton but the entire supergravity multiplet be trapped on the brane. To demonstrate this, we present a complete ansatz for the reduction of (D=5,N=4) gauged supergravity to (D=4,N=2) ungauged supergravity in the Randall-Sundrum geometry. We v... | ['2000-09-27'] |
2,354 | ['eng'] | ['Graña, M', 'Polchinski, Joseph'] | ['Supersymmetric Three-Form Flux Perturbations on $AdS_{5}$'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'space-time, anti-de Sitter', 'dimension, 5', 'membrane model, p-brane', 'p-brane, 3', 'field equations, solution', 'fluctuation', 'dilaton', 'axion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009211'] | ['We consider warped type IIB supergravity solutions with three-form flux and ${\\cal N}=1$ supersymmetry, which arise as the supergravity duals of confining gauge theories. We first work in a perturbation expansion around $AdS_5 \\times S^5$, as in the work of Polchinski and Strassler, and from the ${\\cal N}=1$ condi... | ['2000-09-27'] |
2,355 | ['eng'] | ['Olesen, P', 'Zarembo, K'] | ['Phase transition in Wilson loop correlator from AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'dimension, 2', 'Wilson loop', 'correlation function', 'field equations', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009210'] | ['A previous calculation of the phase transition in the Wilson loop correlator in the zero temperature AdS/CFT correspondence is extended to the case where the loops are concentric circles of unequal radii. This phase transition occurs due to the instability of the classical string stretched between the loops. We compu... | ['2000-09-27'] |
2,356 | ['eng'] | ['Berenstein, D E', 'Leigh, Robert G'] | ['Non-Commutative Calabi-Yau Manifolds'] | ['Particle Physics - Theory'] | ['space, Calabi-Yau', 'orbifold, torus', 'differential geometry, noncommutative', 'space, deformation', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009209'] | ['We discuss aspects of the algebraic geometry of compact non-commutative Calabi-Yau manifolds. In this setting, it is appropriate to consider local holomorphic algebras which can be glued together into a compact Calabi-Yau algebra. We consider two examples: a toroidal orbifold T^6/Z_2 x Z_2, and an orbifold of the qui... | ['2000-09-27'] |
2,357 | ['eng'] | ['Gorsky, A S', 'Selivanov, K'] | ['Brane tunneling and the Brane World scenario'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'membrane model', 'membrane, production', 'space-time, anti-de Sitter', 'dimension, 5', 'tunneling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009207'] | ['Fate of branes in external fields is reviewed. Spontaneous creation of the Brane World in $AdS_{5}$ with external field is described. The resulting Brane World consists of a flat 4d spatially finite expanding Universe and curved expanding "regulator" branes. All branes have a positive tension.'] | ['2000-09-27'] |
2,358 | ['eng'] | ['Gorsky, A S'] | ['Condensates near the Argyres-Douglas point in SU(2) gauge theory with broken N=2 supersymmetry'] | ['Particle Physics - Theory'] | ['talk, Pushkin 2000/05/13', 'gauge field theory, SU(2)', 'supersymmetry, symmetry breaking', 'effective potential', 'anomaly', 'dyon, condensation', 'monopole, condensation', 'charge, condensation', 'confinement', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009206'] | ['The behaviour of the chiral condensates in the SU(2) gauge theory with broken N=2 supersymmetry is reviewed. The calculation of monopole, dyon, and charge condensates is described. It is shown that the monopole and charge condensates vanish at the Argyres-Douglas point where the monopole and charge vacua collide. Thi... | ['2000-09-27'] |
2,359 | ['eng'] | ['Reinhardt, H', 'Tok, T'] | ['Abelian and center gauges in continuum Yang-Mills-Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'coset space, SU(2)/U(1)', 'Higgs model', 'gauge, abelian', 'center gauge', 'Wilson loop', 'instanton', 'magnetic monopole', 'vortex', 'meron'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009205'] | ['Abelian and center gauges are considered in continuum Yang-Mills theory in order to detect the magnetic monopole and center vortex content of gauge field configurations. Specifically we examine the Laplacian Abelian and center gauges, which are free of Gribov copies, as well as the center gauge analog of the (Abelian... | ['2000-09-27'] |
2,360 | ['eng'] | ['Alexandre, J'] | ['Vacuum polarization in thermal QED with an external magnetic field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'magnetic field, external field', 'fermion, propagator', 'vacuum polarization', 'screening, Debye'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009204'] | ['The one-loop vacuum polarization tensor is computed in QED with an external constant, homogeneous magnetic field at finite temperature. The Schwinger proper-time formalism is used and the computations are done in Euclidian space. The well-known results are recovered when the temperature and/or the magnetic field are ... | ['2000-09-27'] |
2,361 | ['eng'] | ['Alvarez, Enrique', 'Gómez, C'] | ['Holography and the C-Theorem'] | ['Particle Physics - Theory'] | ['talk, Paris 2000/09/07', 'gravitation', 'dimension, 2', 'duality', 'invariance, conformal', 'renormalization group, c-function', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009203'] | ['We review the geometric definition of C-function in the context of field theories that admit a holographic gravity dual.'] | ['2000-09-27'] |
2,362 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Quantum dilatonic gravity in d = 2,4 and 5 dimensions'] | ['Particle Physics - Theory'] | ['review', 'quantum gravity', 'field theory, dilaton', 'dimension, 2', 'dimension, 4', 'dimension, 5', 'effective action, induced', 'perturbation theory, higher-order', 'anomaly, conformal', 'black hole', 'radiation, Hawking', 'thermodynamics', 'Brans-Dicke model', 'gauge field theory, Yang-Mills', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009202'] | ['We review (mainly) quantum effects in the theories where gravity sector is described by metric and dilaton. The one-loop effective action for dilatonic gravity in two and four dimensions is evaluated. Renormalization group equations are constructed. The conformal anomaly and induced effective action for 2d and 4d dil... | ['2000-09-27'] |
2,363 | ['eng'] | ['Grimm, R', 'Herrmann, C F', 'Kiss, A Z'] | ['N=4 Supergravity with Antisymmetric Tensor in Central Charge Superspace'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, tensor', 'supersymmetry', 'superspace, soldering', 'central charge', 'geometry', 'field theory, transformation', 'graviphoton', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009201'] | ['A concise geometrical formulation of N=4 supergravity containing an antisymmetric tensor gauge field is given in central charge superspace: graviphotons are identified in the super-vielbein on the same footing as the vierbein and the Rarita-Schwinger fields. As a consequence of superspace soldering, Chern-Simons term... | ['2000-09-27'] |
2,364 | ['eng'] | ['Cardona, A'] | ['Some Remarks about Duality, Analytic Torsion and Gaussian Integration in Antisymmetric Field Theories'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'space-time', 'fibre bundle', 'differential forms', 'duality', 'torsion, factorization', 'path integral, measure', 'determinant', 'regularization, zeta function', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009200'] | ['From a path integral point of view (e.g. \\cite{Q98}) physicists have shown how {\\it duality} in antisymmetric quantum field theories on a closed space-time manifold $M$ relies in a fundamental way on Fourier Transformations of formal infinite-dimensional volume measures. We first review these facts from a measure t... | ['2000-09-27'] |
2,365 | ['eng'] | ['Kakushadze, Z'] | ['"Self-tuning" and Conformality'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time', 'field theory, action', 'any-dimensional', 'supersymmetry', 'astrophysics, fundamental constant', 'transformation, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009199'] | ["We consider an infinite-volume brane world setup where a codimension one brane is coupled to bulk gravity plus a scalar field with vanishing potential. The latter is protected by bulk supersymmetry, which is intact even if brane supersymmetry is completely broken as the volume of the extra dimension is infinite. With... | ['2000-09-27'] |
2,366 | ['eng'] | ['Porrati, Massimo', 'Starinets, A O'] | ['Holographic Duals of 4D Field Theories'] | ['Particle Physics - Theory'] | ['talk, Montreal 2000/03/22', 'gravitation', 'field theory, scalar', 'dimension, 5', 'dimension, 4', 'gauge field theory, Yang-Mills', 'supersymmetry', 'supergravity', 'duality', 'holography', 'renormalization group', 'Goldstone theorem', 'central charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009198'] | ["We discuss various aspect of the holographic correspondence between 5-d gravity and 4-d field theory. First of all, we describe deformations of N=4 Super Yang-Mills (SYM) theories in terms of 5-d gauged supergravity. In particular, we describe N=0 and N=1 deformations of N=4 SYM to confining theories. Secondly, we de... | ['2000-09-26'] |
2,367 | ['eng'] | ['Fabris, J C', 'Pelinson, A M', 'Shapiro, I L'] | ['On the gravitational waves on the background of anomaly-induced inflation'] | ['Particle Physics - Theory'] | ['gravitational radiation', 'inflationary universe', 'anomaly, conformal', 'effective action', 'boundary condition', 'spectra', 'cosmic radiation, anisotropy', 'cosmic radiation, background'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009197'] | ['In the very early Universe matter can be described as a conformal invariant ultra-relativistic perfect fluid, which does not contribute, on classical level, to the evolution of the isotropic and homogeneous metric. However, in this situation the vacuum effects of quantum matter fields become important. The vacuum eff... | ['2000-09-26'] |
2,368 | ['eng'] | ['Zanon, D'] | ['Noncommutative perturbation in superspace'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry, superspace', 'differential geometry, noncommutative', 'effective action', 'perturbation theory, higher-order', 'background field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009196'] | ['We consider noncommutative ${\\cal N}=4$ supersymmetric U(N) Yang-Mills theory. Using the ${\\cal N}=1$ superfield formalism and the background field method we compute one-loop four point contributions to the effective action and compare the result with the field theory limit from open string amplitudes in the presen... | ['2000-09-26'] |
2,369 | ['eng'] | ['Hartmann, B', 'Kleihaus, B', 'Kunz, J'] | ['Gravitationally bound monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'field equations, monopole', 'symmetry, axial', 'gravitation', 'stability', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009195'] | ['We construct monopole solutions in SU(2) Einstein-Yang-Mills-Higgs theory, carrying magnetic charge n. For vanishing and small Higgs selfcoupling, these multimonopole solutions are gravitationally bound. Their mass per unit charge is lower than the mass of the n=1 monopole. For large Higgs selfcoupling only a repulsi... | ['2000-09-26'] |
2,370 | ['eng'] | ['Nissimov, Emil R', 'Pacheva, S'] | ['Gauging of Geometric Actions and Integrable Hierarchies of KP Type'] | ['Particle Physics - Theory'] | ['group theory, geometrical', 'group theory, Kac-Moody', 'transformation, gauge', 'algebra, loop space', 'Kadomtsev-Petviashvili equation', 'differential equations, hierarchy', 'operator, Lax', 'Baecklund transformation', 'Wess-Zumino-Witten model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009194'] | ['This work consist of two interrelated parts. First, we derive massive gauge-invariant generalizations of geometric actions on coadjoint orbits of arbitrary (infinite-dimensional) groups $G$ with central extensions, with gauge group $H$ being certain (infinite-dimensional) subgroup of $G$. We show that there exist gen... | ['2000-09-26'] |
2,371 | ['eng'] | ['Plefka, J'] | ['Vertex Operators for the Supermembrane and Background Field Matrix Theory'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2000/07/10', 'talk, Moscow 2000/06/05', 'membrane model', 'supersymmetry, multiplet', 'dimension, 11', 'field theory, massless', 'operator, vertex', 'background field', 'matrix model', 'scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009193'] | ['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. Our results immediately imply the linear coupling of matrix theory to an arbitrary supergravity background to all orders in anticommuting coordinates. Finally we ... | ['2000-09-26'] |
2,372 | ['eng'] | ['Gates, S J', 'Grisaru, Marc T', 'Knutt, M E', 'Penati, S', 'Suzuki, H'] | ['Supersymmetric Gauge Anomaly with General Homotopic Paths'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'anomaly, chiral', 'dimension, 2', 'dimension, 4', 'propagator', 'topology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009192'] | ['We use the method of Banerjee, Banerjee and Mitra and minimal homotopy paths to compute the consistent gauge anomaly for several superspace models of SSYM coupled to matter. We review the derivation of the anomaly for N=1 in four dimensions and then discuss the anomaly for two-dimensional models with (2,0) supersymme... | ['2000-09-26'] |
2,373 | ['eng'] | ['Ghoshal, D', 'Sen, A'] | ['Normalization of the Background Independent Open String Field Theory Action'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'field theory, action', 'background field', 'operator, vertex', 'membrane model, D-brane', 'membrane model, p-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009191'] | ['It has been shown recently that the background independent open string field theory provides an exact description of the tachyon condensation on unstable D-branes of bosonic string theory. In this analysis the overall normalisation of the action was chosen so that it reproduces the conjectured relations involving tac... | ['2000-09-26'] |
2,374 | ['eng'] | ['Kokado, A', 'Konisi, G', 'Saitô, T'] | ['Constrained Quantization of Charged Strings in Background B Field and g-Factors'] | ['Particle Physics - Theory'] | ['string model, relativistic', 'charge, electric', 'electromagnetic field', 'quantization, 1', 'fluctuation', 'algebra, Virasoro', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009190'] | ['The Dirac quantization is performed for the constrained system of the open string with different charges located at both ends in the constant background B field. Noncommutativity reveals to commutators [X, X], [P, P] and also [X,P] at both ends of the string. We consider a dependence on the change of the "cyclotron f... | ['2000-09-26'] |
2,375 | ['eng'] | ['Kluson, J'] | ['D-Branes from N non-BPS D0-Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'field theory, action', 'Wess-Zumino term', 'soliton, BPS', 'duality, transformation', 'bibliography', 'tachyon, condensation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009189'] | ['In this paper we would like to show that from N non-BPS D0-branes in type IIB theory we can obtain all BPS and non-BPS D-branes through the tachyon condensation in the large N limit.'] | ['2000-09-26'] |
2,376 | ['eng'] | ['Ramadevi, P', 'Sarkar, T'] | ['On Link Invariants and Topological String Amplitudes'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Chern-Simons term', 'dimension, 3', 'string, topological', 'knot theory', 'Wilson loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009188'] | ['We explicitly show that the new polynomial invariants for knots, upto nine crossings, agree with the Ooguri-Vafa conjecture relating Chern-Simons gauge theory to topological string theory on the resolution of the conifold. From the multi-component link invariants in SU(N) Chern-Simons theory, we suggest a form for th... | ['2000-09-26'] |
2,377 | ['eng'] | ['Ketov, S V'] | ['Exact renormalization flow and domain walls from holography'] | ['Particle Physics - Theory'] | ['holography', 'domain wall', 'renormalization group', 'supergravity', 'dimension, 2', 'dimension, 4', 'sigma model, nonlinear', 'field theory, conformal', 'supersymmetry', 'duality', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009187'] | ['The holographic correspondence between 2d, N=2 quantum field theories and classical 4d, N=2 supergravity coupled to hypermultiplet matter is proposed. The geometrical constraints on the target space of the 4d, N=2 non-linear sigma-models in N=2 supergravity background are interpreted as the exact renormalization grou... | ['2000-09-26'] |
2,378 | ['eng'] | ['Catelani, G', 'Vanzo, L'] | ['On the $\\sqrt{2}$ puzzle in $AdS_{2}/CFT_{1}$'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 2', 'Hamiltonian formalism', 'field theory, conformal', 'field theory, anti-de Sitter', 'dilaton', 'central charge', 'black hole, entropy', 'Jackiw-Teitelboim model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009186'] | ["In this letter we analyze the Hamiltonian formulation of the Jackiw-Teitelboim model of 2D gravity and calculate the central charge associated with the asymptotic symmetries, taking care of boundary terms. For black hole solutions, we show that there is no sqrt{2} discrepancy between the thermodynamical entropy and t... | ['2000-09-26'] |
2,379 | ['eng'] | ['Cadoni, M', 'Carta, P', 'Klemm, D', 'Mignemi, S'] | ['$AdS_{2}$ Gravity as Conformally Invariant Mechanical System'] | ['Particle Physics - Theory'] | ['gravitation', 'space-time, anti-de Sitter', 'dimension, 2', 'invariance, conformal', 'mechanics', 'algebra, Virasoro', 'central charge', 'black hole, entropy', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009185'] | ['We show that two-dimensional (2D) AdS gravity induces on the spacetime boundary a conformally invariant dynamics that can be described in terms of a de Alfaro-Fubini-Furlan model coupled to an external source with conformal dimension two. The external source encodes the information about the gauge symmetries of the 2... | ['2000-09-26'] |
2,380 | ['eng'] | ['Liu, J T', 'Sati, H'] | ['Breathing mode compactifications and supersymmetry of the brane-world'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'supergravity', 'dimension, 10', 'dimension, 11', 'dimensional reduction', 'dimension, 7', 'dimension, 5', 'dimension, 4', 'spinor, Killing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009184'] | ['It has recently been shown that the Randall-Sundrum brane-world may be obtained from an appropriate doubled D3-brane configuration in type IIB theory. This corresponds, in five dimensions, to a sphere compactification of the original IIB theory with a non-trivial breathing mode supporting the brane. In this paper, we... | ['2000-09-26'] |
2,381 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N'] | ['Brane-world Kaluza-Klein reductions and Branes on the Brane'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'supergravity', 'dimension, >4', 'dimensional reduction', 'gauge field theory', 'field theory, action', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009183'] | ["We present a systematic study of a new type of consistent ``Brane-world Kaluza-Klein Reduction,'' which describe fully non-linear deformations of co-dimension one objects that arise as solutions of a large class of gauged supergravity theories in diverse dimensions, and whose world-volume theories are described by un... | ['2000-09-26'] |
2,382 | ['eng'] | ['Danielsson, U H', 'Guijosa, A', 'Kruczenski, M'] | ['IIA/B, Wound and Wrapped'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'duality', 'matrix model', 'particle, multiplet', 'coupling, decoupling', 'scattering amplitude', 'membrane model, D-brane', 'energy spectrum', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009182'] | ["We examine the T-duality relation between 1+1 NCOS and the DLCQ limit of type IIA string theory. We show that, as long as there is a compact dimension, one can meaningfully define an `NCOS' limit of IIB/A string theory even in the absence of D-branes (and even if there is no B-field). This yields a theory of closed s... | ['2000-09-26'] |
2,383 | ['eng'] | ['Gomis, J P', 'Ooguri, H'] | ['Non-Relativistic Closed String Theory'] | ['Particle Physics - Theory'] | ['string model, closed', 'nonrelativistic', 'quantization, light cone', 'discrete', 'operator product expansion', 'scattering amplitude, higher-order', 'duality', 'Hamiltonian formalism', 'analytic properties', 'dispersion relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009181'] | ['We construct a Galilean invariant non-gravitational closed string theory whose excitations satisfy a non-relativistic dispersion relation. This theory can be obtained by taking a consistent low energy limit of any of the conventional string theories, including the heterotic string. We give a finite first order worlds... | ['2000-09-25'] |
2,384 | ['eng'] | ['Lizzi, F', 'Mangano, G', 'Miele, G'] | ['Another Alternative to Compactification'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'hierarchy', 'differential geometry, noncommutative', 'Higgs model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009180'] | ['We observe that the main feature of the Randall-Sundrum model, used to solve the hierarchy problem, is already present in a class of Yang-Mills plus gravity theories inspired by noncommutative geometry. Strikingly the same expression for the Higgs potential is found in two models which have no apparent connection. So... | ['2000-09-25'] |
2,385 | ['eng'] | ['Dadhich, N K'] | ['Negative Energy Condition and Black Holes on the Brane'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'membrane model', 'black hole', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009178'] | ['We propose that for non-localizable energy distribution the relevant energy condition is determined by the gravitational field energy which is negative for positive non-gravitational energy. That is negativity of the non-localized energy is the "positive" energy condition. This would have direct application and relev... | ['2000-09-25'] |
2,386 | ['eng'] | ['Saradzhev, F M'] | ['The bound state problem for a Dirac particle in an external static charge distribution in (1 + 1) dimensions'] | ['Particle Physics - Theory'] | ['fermion, Dirac', 'electromagnetic field, external field', 'dimension, 2', 'bound state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009177'] | ['We study the self-interaction effects for the Dirac particle moving in an external field created by static charges in (1+1)-dimensions. Assuming that the total electric charge of the system vanishes, we show that the asymptotically linearly rising part of the external potential responsible for nonexistence of bound s... | ['2000-09-25'] |
2,387 | ['eng'] | ['Giddings, Steven B', 'Katz, E'] | ['Effective theories and black hole production in warped compactifications'] | ['Particle Physics - Theory'] | ['black hole', 'membrane model', 'spontaneous compactification', 'space-time, anti-de Sitter', 'field theory, conformal', 'tensor, energy-momentum', 'dimension, 5', 'dimension, 4', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009176'] | ["We investigate aspects of the four-dimensional effective description of brane world scenarios based on warped compactification on anti-de Sitter space. The low-energy dynamics is described by visible matter gravitationally coupled to a ``dark'' conformal field theory. We give the linearized description of the 4d stre... | ['2000-09-25'] |
2,388 | ['eng'] | ['Kim, J Y'] | ['Brane inflation in tachyonic and non-tachyonic type 0B string theories'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'tachyon', 'field equations, solution', 'inflationary universe'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009175'] | ['We consider the motion of the brane universe moving in a background bulk space of tachyonic and non-tachyonic type 0B string theory. The effective densities are calculated for both cases and they show different power law behavior. Brane inflation for non-tachyonic type 0B background has the same power law behavior as... | ['2000-09-25'] |
2,389 | ['eng'] | ['Bellisai, D', 'Isidro, J M', 'Matone, M'] | ['On the Structure of Noncommutative N=2 Super Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'differential geometry, noncommutative', 'coupling constant', 'magnetic monopole', 'mass spectrum', 'field equations, solution', 'monodromy', 'mass formula, BPS'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009174'] | ['We show that the recently proposed formulation of noncommutative N=2 Super Yang-Mills theory implies that the commutative and noncommutative effective coupling constants \\tau(u) and \\tau_{nc}(u) coincide. We then introduce a key relation which allows to find a nontrivial solution of such equation, thus fixing the f... | ['2000-09-25'] |
2,390 | ['eng'] | ['Milton, K A'] | ['Dimensional and Dynamical Aspects of the Casimir Effect'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'fermion, fluctuation', 'field theory, scalar', 'boundary condition', 'energy, vacuum state', 'sonoluminescence', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009173'] | ["Zero-point fluctuations in quantum fields give rise to observable forces between material bodies, the so-called Casimir forces. In this lecture I present some results of the theory of the Casimir effect, primarily formulated in terms of Green's functions. There is an intimate relation between the Casimir effect and v... | ['2000-09-25'] |
2,391 | ['eng'] | ['Giovannini, M'] | ['Hedgehogs in higher dimensional gravity with curvature self-interactions'] | ['Particle Physics - Theory'] | ['gravitation, higher-dimensional', 'Einstein equation, solution', 'electromagnetic field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009172'] | ['Static solutions of the higher dimensional Einstein-Hilbert gravity supplemented by quadratic curvature self-interactions are discussed in the presence of hedgehog configurations along the transverse dimensions. The quadratic part of the action is parametrized in terms of the (ghost-free) Euler-Gauss-Bonnet curvature... | ['2000-09-22'] |
2,392 | ['eng'] | ['Metsaev, R R', 'Thorn, C B', 'Tseytlin, Arkady A'] | ['Light-cone Superstring in AdS Space-time'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, anti-de Sitter', 'light cone gauge', 'phase space', 'field equations', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009171'] | ['We consider fixing the bosonic light-cone gauge for string in AdS in the phase space framework, i.e. by choosing $x^+ = \\tau$, and by choosing $\\sigma$ so that $P^+$ is distributed uniformly (its density is independent of $\\sigma$). We discuss classical bosonic string in AdS space and superstring in AdS_5 x S^5. I... | ['2000-09-22'] |
2,393 | ['eng'] | ['Barvinsky, A O', 'Nesterov, D V'] | ['Quantum Cauchy problem in cosmology'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'quantum cosmology', 'boundary condition', 'inflationary universe', 'tree approximation', 'fluctuation, linear', 'radiation, current'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009170'] | ['We develop a general framework for effective equations of expectation values in quantum cosmology and pose for them the quantum Cauchy problem with no-boundary and tunneling wavefunctions. We apply this framework in the model with a big negative non-minimal coupling, which incorporates a recently proposed low energy ... | ['2000-09-22'] |
2,394 | ['eng'] | ['Quirós, I'] | ['String cosmology coupled to Weyl-integrable geometry'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'dilaton, coupling', 'space-time, singularity', 'transformation, conformal', 'gravitation, model', 'geometry', 'integrability, Weyl', 'relativity theory, general', 'space-time, Robertson-Walker'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009169'] | ["The requirement that the laws of physics must be invariant under point-dependent transformations of the units of length, time, and mass is used as a selection principle while studying different generic effective theories of gravity. Thereof theories with non-minimal coupling of the dilaton both to the curvature and t... | ['2000-09-22'] |
2,395 | ['eng'] | ['Berkovits, N', 'Chandia, O'] | ['Superstring Vertex Operators in an $AdS_{5} \\times S^{5}$ Background'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'space-time, anti-de Sitter', 'field theory, action', 'operator, vertex', 'charge, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009168'] | ['A quantizable action has recently been proposed for the superstring in an AdS_5 x S^5 background with Ramond-Ramond flux. In this paper, we construct physical vertex operators corresponding to on-shell fluctuations around the AdS_5 x S^5 background. The structure of these AdS_5 x S^5 vertex operators closely resemble... | ['2000-09-22'] |
2,396 | ['eng'] | ['Falkowski, A', 'Lalak, Z', 'Pokorski, S'] | ['Five-Dimensional Gauged Supergravities with Universal Hypermultiplet and Warped Brane Worlds'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'space, S(1)/Z(2)', 'gauge field theory', 'supersymmetry, multiplet', 'membrane model, p-brane', 'p-brane, 3', 'soliton, BPS', 'energy, vacuum state', 'Kaluza-Klein model', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009167'] | ['We present five dimensional gauged supergravity with universal hypermultiplet on M_4 \\times S^1 / Z_2 coupled supersymmetrically to three-branes located at the fixed points. The construction is extended to the smooth picture with auxiliary singlet and four-form fields. The model admits the Randall-Sundrum solution a... | ['2000-09-22'] |
2,397 | ['eng'] | ['Fedoruk, S O', 'Zima, V G'] | ['Massive Superparticle with Tensorial Central Charges'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'particle, massive', 'supersymmetry', 'central charge, tensor', 'invariance, Lorentz', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009166'] | ['We construct the manifestly Lorenz-invariant formulation of the N=1 D=4 massive superparticle with tensorial central charges. The model contains a real parameter k and at $k\\ne 0$ possesses one $\\kappa$-symmetry while at k=0 the number of $\\kappa$-symmetry is two. The equivalence of the formulations at all $k\\ne ... | ['2000-09-22'] |
2,398 | ['eng'] | ['Ghosh, S'] | ['Unified Study of Planar Field Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'field theory, massive', 'Chern-Simons term', 'dimension, 3', 'quantization, constraint', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'field theory, Proca', 'quantization, symplectic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009165'] | ['A "Master" gauge theory is constructed in 2+1-dimensions through which various gauge invariant and gauge non-invariant theories can be studied. In particular, Maxwell-Chern-Simons, Maxwell-Proca and Maxwell-Chern-Simons -Proca models are considered here. The Master theory in an enlarged phase space is constructed bot... | ['2000-09-22'] |
2,399 | ['eng'] | ['Fursaev, D V'] | ['Black Hole Thermodynamics, Induced Gravity and Gravity in Brane Worlds'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'black hole', 'thermodynamics', 'gravitation, induced', 'membrane model', 'space-time, anti-de Sitter', 'field theory, conformal', 'central charge', 'entropy', 'Randall-Sundrum model', 'gauge field theory, SU(N)', 'dimension, 2', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009164'] | ['One of explanations of the black hole entropy implies that gravity is entirely induced by quantum effects. By using arguments based on the AdS/CFT correspondence we give induced gravity interpretation of the gravity in a brane world in higher dimensional anti-de Sitter (AdS) space. The underlying quantum theory is SU... | ['2000-09-22'] |
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