Unnamed: 0 int64 0 18.1k | language stringclasses 4
values | creator stringlengths 2 137 | title stringlengths 2 217 | subject stringclasses 15
values | keyword stringlengths 10 597 | identifier stringlengths 82 244 | description stringlengths 2 2.3k | date stringlengths 14 14 |
|---|---|---|---|---|---|---|---|---|
1,100 | ['eng'] | ["Dall'Agata, G", 'Herrmann, C F', 'Zagermann, Marco'] | ['General Matter Coupled N=4 Gauged Supergravity in Five Dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory', 'dimension, 5', 'matter, coupling', 'field theory, action', 'ground state', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103106'] | ['We construct the general form of matter coupled N=4 gauged supergravity in five dimensions. Depending on the structure of the gauge group, these theories are found to involve vector and/or tensor multiplets. When self-dual tensor fields are present, they must be charged under a one-dimensional Abelian group and canno... | ['2001-03-15'] |
1,101 | ['eng'] | ['Fairlie, David B', 'Ueno, T'] | ['Multi-Field Generalisations of the Klein-Gordon Theory associated with p-Branes'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation', 'membrane model, p-brane', 'membrane model, D-brane', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103105'] | ['The purpose of this article is to initiate a study of a class of Lorentz invariant, yet tractable, Lagrangian Field Theories which may be viewed as an extension of the Klein-Gordon Lagrangian to many scalar fields in a novel manner. These Lagrangians are quadratic in the Jacobians of the participating fields with res... | ['2001-03-15'] |
1,102 | ['eng'] | ['Suzuki, T'] | ['Integrable Submodels of Nonlinear $\\sigma$-models and Their Generalization'] | ['Particle Physics - Theory'] | ['thesis', 'sigma model, nonlinear', 'field theoretical model, CP(1)', 'field theory, Grassmann', 'dimension, 3', 'current, conservation law', 'integrability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103104'] | ['In this thesis, we investigate various integral submodels and generalize them. In part I, we study the submodel of the nonlinear $\\mathbf{C}P^1$-model and the related submodels in $(1+2)$ dimensions. In part II, we construct integrable submodels of the nonlinear Grassmann models in any dimension. We call them the Gr... | ['2001-03-15'] |
1,103 | ['eng'] | ['Feng, B', 'He, Y H', 'Möller, N'] | ['Testing the Uniqueness of the Open Bosonic String Field Theory Vacuum'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'boson, string', 'particle, multiplet', 'wave function', 'transformation, gauge', 'cohomology, Becchi-Rouet-Stora', 'vacuum state', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103103'] | ["The operators K_n are generators of reparameterization symmetries of Witten's cubic open string field theory. One pertinent question is whether they can be utilised to generate deformations of the tachyon vacuum and thereby violate its uniqueness. We use level truncation to show that these transformations on the vacu... | ['2001-03-15'] |
1,104 | ['eng'] | ['Niarchos, V', 'Prezas, N'] | ['Boundary Superstring Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'supersymmetry, superfield', 'boundary condition', 'quantization, Batalin-Vilkovisky', 'ghost', 'differential forms', 'Ward identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103102'] | ['Using the Batalin-Vilkovisky formalism we provide a detailed analysis of the NS sector of boundary superstring field theory. We construct explicitly the relevant BV structure and derive the master action. Finally, we show that this action is exactly equal to the superdisk worldsheet partition function as was recently... | ['2001-03-14'] |
1,105 | ['eng'] | ['Zheltukhin, A A', 'Lindström, U'] | ['Strings in a Space with Tensor Central Charge Coordinates'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'string model', 'central charge', 'field theory, action', 'string tension, 0', 'field equations, solution', 'differential forms', 'integrability', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103101'] | ['New string models in D=4 space-time extended by tensor central charge coordinates $z_{mn}$ are constructed. We use the $z_{mn}$ coordinates to generate string tension using a minimally extended string action linear in $dz^{mn}$. It is shown that the presence of $z_{mn}$ lifts the light-like character of the tensionle... | ['2001-03-14'] |
1,106 | ['eng'] | ['Li, J', 'Song, Y S'] | ['Open String Instantons and Relative Stable Morphisms'] | ['Particle Physics - Theory'] | ['string model', 'string, open', 'string, topological', 'space, Calabi-Yau', 'moduli space', 'field theory, deformation', 'geometry, algebra', 'Riemann surfaces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103100'] | ['We show how topological open string theory amplitudes can be computed by using relative stable morphisms in the algebraic category. We achieve our goal by explicitly working through an example which has been previously considered by Ooguri and Vafa from the point of view of physics. By using the method of virtual loc... | ['2001-03-14'] |
1,107 | ['eng'] | ['Schwarz, J H', 'Witten, Edward'] | ['Anomaly Analysis of Brane-Antibrane Systems'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'supersymmetry', 'tachyon', 'spontaneous compactification', 'anomaly', 'group theory, symplectic', 'particle, multiplet', 'dimension, 10'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103099'] | ['String theories with branes can often be generalized by adding brane-antibrane pairs. We explore the cancellation of anomalies in this more general context, extending the familiar anomaly-cancelling mechanisms, both for ten-dimensional string theories with D-branes and for certain supersymmetric compactifications.'] | ['2001-03-14'] |
1,108 | ['eng'] | ['Marolf, D M'] | ['T-duality and the case of the disappearing brane'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'M-theory', 'duality', 'membrane, production', 'supergravity', 'Kaluza-Klein model, monopole', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103098'] | ['When an NS5-brane crosses a D6-brane, a D4-brane is created stretching between them by the Hanany-Witten effect. However, the T-dual situation involves a Kaluza-Klein monopole crossing a D5-brane and should not result in brane creation. Thus, the newly created D4-brane disappears when T-duality is applied. The T-dual... | ['2001-03-14'] |
1,109 | ['eng'] | ['Gershun, V D'] | ['Bihamiltonity as origin of T-duality of the closed string model'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'string model, closed', 'background field', 'Hamiltonian formalism', 'duality', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103097'] | ['In assumption,that string model is the integrable model for particular kind of the background fields, the closed string model in the background gravity field and the antisymmetric B-field is considered as the bihamiltonian system. It is shown, that bihamiltonity is origin of T-duality of the string models. The new Po... | ['2001-03-14'] |
1,110 | ['eng'] | ['Bernard, D', 'LeClair, A'] | ['Strong-weak coupling duality in anisotropic current interactions'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, perturbation', 'symmetry, SU(2)', 'duality', 'renormalization group', 'critical phenomena', 'current, anisotropy', 'bosonization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103096'] | ['The recently proposed all orders beta function is further investigated. By using a strong-weak coupling duality of the beta function, and some added topology of the space of couplings we are able to extend the flows to arbitrarily large or small scales. Using a non-trivial RG invariant we are able to identify sine-Go... | ['2001-03-14'] |
1,111 | ['eng'] | ['Cavaglià, M'] | ['Pre-big bang in M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'supergravity', 'dimension, 11', 'astrophysics, model', 'dimensional reduction', 'Kaluza-Klein model', 'membrane model', 'axion', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103095'] | ['We discuss a simple cosmological model derived from M-theory. Three assumptions lead naturally to a pre-big bang scenario: (a) 11-dimensional supergravity describes the low-energy world; (b) non-gravitational fields live on a three-dimensional brane; and (c) asymptotically past triviality.'] | ['2001-03-14'] |
1,112 | ['eng'] | ['Damour, Thibault Marie Alban Guillaume', 'Henneaux, M', 'Julia, B L', 'Nicolai, Hermann C'] | ['Hyperbolic Kac-Moody Algebras and Chaos in Kaluza-Klein Models'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'chaos', 'algebra, Kac-Moody', 'any-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103094'] | ['Some time ago, it was found that the never-ending oscillatory chaotic behaviour discovered by Belinsky, Khalatnikov and Lifshitz (BKL) for the generic solution of the vacuum Einstein equations in the vicinity of a spacelike ("cosmological") singularity disappears in spacetime dimensions $D= d+1>10$. Recently, a study... | ['2001-03-14'] |
1,113 | ['eng'] | ['Shapiro, I L'] | ['Physical Aspects of the Space-Time Torsion'] | ['Particle Physics - Theory'] | ['space-time, torsion', 'gravitation', 'gauge field theory', 'renormalization', 'anomaly', 'effective action', 'inflationary universe', 'quantum gravity', 'invariance, conformal', 'matter', 'field theory, scalar', 'symmetry, spontaneously broken', 'spin', 'particle, relativistic', 'path integral', 'renormalization grou... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103093'] | ['We review many quantum aspects of torsion theory and discuss the possibility of the space-time torsion to exist and to be detected. The paper starts, in Chapter 2, with an introduction to the classical gravity with torsion, that includes also interaction of torsion with matter fields. In Chapter 3, the renormalizatio... | ['2001-03-14'] |
1,114 | ['eng'] | ['Alba, D', 'Lusanna, L', 'Pauri, M'] | ['Multipolar Expansions for the Relativistic N-Body Problem in the Rest-Frame Instant Form'] | ['Particle Physics - Theory'] | ['many-body problem, relativistic', 'scalar particle', 'expansion, multipole', 'kinematics', 'tensor, energy-momentum', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103092'] | ["Dixon's multipoles for a system of N relativistic positive-energy scalar particles are evaluated in the rest-frame instant form of dynamics. The Wigner hyperplanes (intrinsic rest frame of the isolated system) turn out to be the natural framework for describing multipole kinematics. In particular, concepts like the {... | ['2001-03-14'] |
1,115 | ['eng'] | ['Dolgushev, V A', 'Lyakhovich, S L', 'Sharapov, A A'] | ['Wick quantisation of a symplectic manifold'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'quantization', 'Hamiltonian formalism', 'differential forms, symplectic', 'cohomology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103091'] | ['The notion of the Wick star-product is covariantly introduced for a general symplectic manifold equipped with two transverse polarisations. Along the lines of Fedosov method, the explicit procedure is given to construct the Wick symbols on the manifold. The cohomological obstruction is identified to the equivalence b... | ['2001-03-14'] |
1,116 | ['eng'] | ['Bergman, A', 'Das-Gupta, K', 'Ganor, O J', 'Karczmarek, J L', 'Rajesh, G'] | ['Nonlocal Field Theories and their Gravity Duals'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'any-dimensional', 'supersymmetry', 'gravitation', 'gauge field theory, Yang-Mills', 'field theory, dipole', 'expansion 1/N', 'field theory, nonlocal', 'infrared problem', 'duality', 'supergravity', 'fibre bundle', 'correlation function', 'gauge field theory, noncommutative', 'bibliograph... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103090'] | ['The gravity duals of nonlocal field theories in the large N limit exhibit a novel behavior near the boundary. To explore this, we present and study the duals of dipole theories - a particular class of nonlocal theories with fundamental dipole fields. The nonlocal interactions are manifest in the metric of the gravity... | ['2001-03-14'] |
1,117 | ['eng'] | ['Marino, M'] | ['On the BV formulation of boundary superstring field theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'supersymmetry', 'boundary condition', 'field equations', 'quantization, Batalin-Vilkovisky', 'tachyon', 'transformation, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103089'] | ['We propose a Batalin-Vilkovisky (BV) formulation of boundary superstring field theory. The superstring field action is defined in terms of a closed one-form in the space of couplings, and we compute it explicitly for exactly solvable tachyon perturbations. We also argue that the superstring field action defined in th... | ['2001-03-13'] |
1,118 | ['eng'] | ['Metsaev, R R'] | ['Massive fields in AdS(3) and compactification in AdS spacetime'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'field theory, conformal', 'space-time, anti-de Sitter', 'dimension, 3', 'spontaneous compactification', 'mass spectrum', 'light cone gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103088'] | ['Massive arbitrary spin fields in AdS(3) spacetime are discussed in a framework of light-cone gauge formulation. We also consider compactification of AdS spacetime on manifold which is warped product of AdS space and sphere. Mass spectra of massless and massive fields upon such compactification are found.'] | ['2001-03-13'] |
1,119 | ['eng'] | ['Blasone, M', 'Jizba, P', 'Vitiello, G'] | ['Currents and charges for mixed fields'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion, flavor', 'flavor, oscillation', 'current', 'charge', 'symmetry, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103087'] | ['We present an analysis of currents and charges for a system of two mixed fields, both for spinless bosons and for Dirac fermions. This allows us to obtain in a straightforward way the exact field theoretical oscillation formulas exhibiting corrections with respect to the usual ones derived in quantum mechanics.'] | ['2001-03-13'] |
1,120 | ['eng'] | ['de Wit, B'] | ['Electric-Magnetic Duality in Supergravity'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'supergravity', 'gauge field theory, U(N)', 'matter, coupling', 'duality, electromagnetic', 'hidden symmetry', 'group theory, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103086'] | ['I review electric-magnetic duality from the perspective of extended supergravity theories in four spacetime dimensions'] | ['2001-03-13'] |
1,121 | ['eng'] | ['Ellwood, I', 'Taylor, W'] | ['Open string field theory without open strings'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'vacuum state', 'cohomology, Becchi-Rouet-Stora', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103085'] | ["Witten's cubic open string field theory is expanded around the perturbatively stable vacuum, including all scalar fields at levels 0, 2, 4 and 6. The (approximate) BRST cohomology of the theory is computed, giving strong evidence for the absence of physical open string states in this vacuum."] | ['2001-03-13'] |
1,122 | ['eng'] | ['Albertsson, C', 'Brinne, B', 'Lindström, U', 'Rocek, Martin', 'Von Unge, R'] | ['ADE-Quiver Theories and Mirror Symmetry'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'gauge field theory, Yang-Mills', 'supersymmetry', 'Born-Infeld model', 'Chern-Simons term', 'membrane model', 'transformation, mirror', 'group theory, representation', 'quiver'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103084'] | ['We show that the Higgs branch of a four-dimensional Yang-Mills theory, with gauge and matter content summarised by an ADE quiver diagram, is identical to the generalised Coulomb branch of a four-dimensional superconformal strongly coupled gauge theory with ADE global symmetry. This equivalence suggests the existence ... | ['2001-03-13'] |
1,123 | ['eng'] | ['Tu, M H'] | ['$W_n^{(\\ka)}$ algebra associated with the Moyal KdV Hierarchy'] | ['Particle Physics - Theory'] | ['algebra, Kac-Moody', 'Korteweg-de Vries equation, hierarchy', 'Hamiltonian formalism', 'operator, Lax', 'algebra, representation', 'algebra, W(N)', 'Moyal product', 'Miura transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103083'] | ['We consider the Gelfand-Dickey (GD) structure defined by the Moyal $\\star$-product with parameter $\\ka$, which not only defines the bi-Hamiltonian structure for the generalized Moyal KdV hierarchy but also provides a $W_n^{(\\ka)}$ algebra containing the Virasoro algebra as a subalgebra with central charge $\\ka^2(... | ['2001-03-13'] |
1,124 | ['eng'] | ['Manvelyan, R', 'Mkrtchyan, R L', 'Müller-Kirsten, H J W'] | ['Holographic Trace Anomaly and Cocycle of Weyl Group'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'effective action', 'anomaly, conformal', 'group theory, Weyl', 'diffeomorphism, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103082'] | ['The behavior of the divergent part of the bulk AdS/CFT effective action is considered with respect to the special finite diffeomorphism transformations acting on the boundary as a Weyl transformation of the boundary metric. The resulting 1-cocycle of the Weyl group is in full agreement with the 1-cocycle of the Weyl ... | ['2001-03-13'] |
1,125 | ['eng'] | ['Lalak, Z'] | ['Supersymmetry and Vacuum Energy in Five-Dimensional Brane Worlds'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'talk, Geneva 2000/06/26', 'membrane model', 'dimension, 5', 'supersymmetry', 'vacuum state', 'energy', 'effective action', 'supergravity', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103081'] | ['We present the explicit form of the four-dimensional effective supergravity action which describes low-energy physics of the Randall--Sundrum model with moduli fields in the bulk and charged chiral matter living on the branes. The low-energy action is derived from the compactification of a locally supersymmetric mode... | ['2001-03-13'] |
1,126 | ['eng'] | ['Núñez, C', 'Park, I Y', 'Schvellinger, M', 'Tran, T A'] | ['Supergravity duals of gauge theories from F(4) gauged supergravity in six dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'supergravity', 'gauge field theory, SU(2)', 'field theory, conformal', 'duality', 'field equations, solution', 'space-time, anti-de Sitter', 'black hole', 'dimension, 6', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103080'] | ["We construct supergravity solutions dual to twisted field theories that are the worldvolume theories of D4-branes wrapped on 2, 3-cycles, and NS-fivebranes on 3-cycles. We first obtain the solutions for the Romans' six-dimensional gauged supergravity theories and then up-lift them to ten dimensions. In particular, we... | ['2001-03-13'] |
1,127 | ['eng'] | ['Kluson, J'] | ['N D0-branes and antibranes in the background independent string field theory'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model, D-brane', 'bound state', 'partition function', 'soliton', 'field theory, string', 'tachyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103079'] | ['In this paper we extend our previous work hep-th/0102063 to the case D0-brane+antibrane system.'] | ['2001-03-13'] |
1,128 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['AdS/CFT and quantum-corrected brane entropy'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'dimension, 5', 'membrane model, induced', 'inflationary universe', 'entropy', 'field equations', 'quantum gravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103078'] | ['It is shown that quantum-induced (inflationary) brane Universe occurs in the bulk 5d AdS black hole in accordance with AdS/CFT correspondence. Brane stress tensor is induced by quantum effects of dual CFT and brane crosses the horizon of AdS black hole. Quantum-corrected Hubble constant, Hawking temperature and entro... | ['2001-03-13'] |
1,129 | ['eng'] | ['Flachi, A', 'Toms, David J'] | ['Quantized bulk scalar fields in the Randall-Sundrum brane-model'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'dimension, >4', 'field equations, solution', 'fluctuation', 'field theory, scalar', 'gravitation', 'energy, Casimir'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103077'] | ['We examine the lowest order quantum corrections to the effective action arising from a quantized real scalar field in the Randall-Sundrum background spacetime. The leading term is the familiar vacuum, or Casimir, energy density. The next term represents an induced gravity term that can renormalize the 4-dimensional N... | ['2001-03-13'] |
1,130 | ['eng'] | ['Hatzinikitas, A', 'Portugal, R'] | ['The d=6 trace anomaly from quantum field theory four-loop graphs in one dimension'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'dimension, 6', 'supersymmetry', 'path integral', 'Hamiltonian formalism', 'anomaly, conformal', 'perturbation theory, higher-order', 'programming'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103073'] | ['We calculate the integrated trace anomaly for a real spin-0 scalar field in six dimensions in a torsionless curved space without a boundary. We use a path integral approach for a corresponding supersymmetric quantum mechanical model. Weyl ordering the corresponding Hamiltonian in phase space, an extra two-loop counte... | ['2001-03-13'] |
1,131 | ['eng'] | ['Ghoroku, K', 'Nakamura, A'] | ['Stability of Randall-Sundrum brane-world and tachyonic scalar'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model', 'stability', 'tachyon', 'dimension, 5', 'field theory, scalar', 'field theory, conformal', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103071'] | ['We address the behaviour of the scalar field with negative mass squared in the five dimensional AdS space where the Randall-Sundrum brane-world is embedded. We point out that the tachyonic scalar allowed in the bulk space destabilizes the embedded brane-world where the cosmological constant is zero. The resolution of... | ['2001-03-13'] |
1,132 | ['eng'] | ['Freidel, L', 'Krasnov, K V'] | ['The Fuzzy Sphere Star-Product and Spin Networks'] | ['Particle Physics - Theory'] | ['sphere, fuzzy', 'spin, network', 'geometry, noncommutative', 'quantization, deformation', 'Clebsch-Gordan coefficients', 'asymptotic expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103070'] | ['We analyze the expansion of the fuzzy sphere non-commutative product in powers of the non-commutativity parameter. To analyze this expansion we develop a graphical technique that uses spin networks. This technique is potentially interesting in its own right as introducing spin networks of Penrose into non-commutative... | ['2001-03-12'] |
1,133 | ['eng'] | ['Alvarez-Gaumé, Luís', 'Barbón, José L F', 'Zwicky, R'] | ['Remarks on Time-Space Noncommutative Field Theories'] | ['Particle Physics - Theory'] | ['phi**n model', 'any-dimensional', 'differential geometry, noncommutative', 'unitarity, symmetry breaking', 'perturbation theory, higher-order', 'string model', 'tachyon, production', 'causality', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103069'] | ['We propose a physical interpretation of the perturbative breakdown of unitarity in time-like noncommutative field theories in terms of production of tachyonic particles. These particles may be viewed as a remnant of a continuous spectrum of undecoupled closed-string modes. In this way, we give a unified view of the s... | ['2001-03-12'] |
1,134 | ['eng'] | ['Cachazo, F', 'Intriligator, K', 'Vafa, C'] | ['A Large N Duality via a Geometric Transition'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'potential, superpotential', 'expansion 1/N', 'duality', 'differential forms', 'geometry, algebra', 'effective potential', 'transition, geometrical', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103067'] | ['We propose a large N dual of 4d, N=1 supersymmetric, SU(N) Yang-Mills with adjoint field \\Phi and arbitrary superpotential W(\\Phi). The field theory is geometrically engineered via D-branes partially wrapped over certain cycles of a non-trivial Calabi-Yau geometry. The large N, or low-energy, dual arises from a geo... | ['2001-03-12'] |
1,135 | ['eng'] | ['García-Compéan, H', 'Obregón, O', 'Ramírez, C'] | ['A Vector Non-abelian Chern-Simons Duality'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Chern-Simons term', 'dimension, 3', 'partition function', 'duality', 'Wess-Zumino-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103066'] | ["Abelian Chern-Simons gauge theory it is known to possess a `S-self-dual' action where its coupling constant k is inverted i.e. k goes to 1/k. Here a vector non-abelian duality it is found in the pure non-abelian Chern-Simons action at the classical level. The procedure is given explicitly for the gauge group SU(2), b... | ['2001-03-12'] |
1,136 | ['eng'] | ['Kapusta, J I', 'Wong, S M H'] | ['Two-Loop Self-Energy and Multiple Scattering at Finite Temperature'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'propagator', 'perturbation theory, higher-order', 'higher-order, 2', 'finite temperature', 'multiple scattering'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103065'] | ['One and two loop self-energies are worked out explicitly for a heavy scalar field interacting weakly with a light self-interacting scalar field at finite temperature. The ring/daisy diagrams and a set of necklace diagrams can be summed simultaneously. This simple model serves to illustrate the connection between mult... | ['2001-03-12'] |
1,137 | ['eng'] | ['Ishimoto, Y'] | ['Boundary states in boundary logarithmic CFT'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'boundary condition', 'operator product expansion', 'phase space, Hilbert space', 'algebra, fusion', 'string model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103064'] | ['There exist logarithmic CFTs(LCFTs) such as the $c_{p,1}$ models. It is also well known that it generally contains Jordan cell structure. In this paper, we obtain the boundary Ishibashi state for a rank-2 Jordan cell structure and, with these states in $c=-2$ rational LCFT, we derive boundary states in the closed str... | ['2001-03-12'] |
1,138 | ['eng'] | ['Dunne, G V', 'Rao, K'] | ['Thermal Fluctuations of Induced Fermion Number'] | ['Particle Physics - Theory'] | ['fermion number, induced', 'finite temperature', 'fluctuation', 'dimension, 2', 'kink, background', 'sigma model, chiral', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103061'] | ['We analyze the phemomenon of induced fermion number at finite temperature. At finite temperature, the induced fermion number $<N>$ is a thermal expectation value, and we compute the finite temperature fluctuations, $(\\Delta N)^2=<N^2>-<N>^2$. While the zero temperature induced fermion number is topological and is a ... | ['2001-03-12'] |
1,139 | ['eng'] | ['Monte, E M', 'Maia, M D'] | ['Geometric Stability of Brane-worlds'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'differential geometry', 'membrane model, stability', 'phase space', 'confinement', 'gravitational radiation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103060'] | ['The stability conditions for coordinate gauge independent perturbations of brane-worlds are analyzed. It is shown that, these conditions lead to the Einstein-Hilbert dynamics and to a confined gauge potential, independently of models and metric ansatzes. The size of the extra dimensions are estimated without assuming... | ['2001-03-12'] |
1,140 | ['eng'] | ['Eberle, H'] | ['Twistfield Perturbations of Vertex Operators in the Z_2-Orbifold Model'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'orbifold, Z(2)', 'operator, vertex', 'deformation, marginal', 'moduli space', 'perturbation theory', 'n-point function', 'operator product expansion', 'analytic properties', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103059'] | ["We apply Kadanoff's theory of marginal deformations of conformal field theories to twistfield deformations of Z_2 orbifold models in K3 moduli space. These deformations lead away from the Z_2 orbifold sub-moduli-space and hence help to explore conformal field theories which have not yet been understood. In particular... | ['2001-03-12'] |
1,141 | ['eng'] | ['Zarembo, K'] | ['String Breaking from Ladder Diagrams in SYM Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'gauge field theory, Yang-Mills', 'supersymmetry', 'expansion 1/N', 'Wilson loop', 'propagator', 'perturbation theory, higher-order', 'string, decay', 'critical phenomena', 'ladder approximation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103058'] | ["The AdS/CFT correspondence establishes a string representation for Wilson loops in N=4 SYM theory at large N and large 't Hooft coupling. One of the clearest manifestations of the stringy behaviour in Wilson loop correlators is the string breaking phase transition. It is shown that resummation of planar diagrams with... | ['2001-03-12'] |
1,142 | ['eng'] | ['Linares, R', 'Urrutia, L F', 'Vergara, J D'] | ['Exact Solution of the Schwinger Model with Compact U(1)'] | ['Particle Physics - Theory'] | ['Schwinger model, compact', 'dimension, 2', 'quantization', 'Hamiltonian formalism', 'phase space, Fock space', 'integrability', 'zero mode, spectra', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103057'] | ['The exact solution of the Schwinger model with compact gauge group U(1) is presented. The compactification is imposed by demanding that the only surviving true electromagnetic degree of freedom has angular character. Not surprinsingly, this topological condition defines a version of the Schwinger model which is diffe... | ['2001-03-09'] |
1,143 | ['eng'] | ['Chalmers, G'] | ['Open string decoupling and tachyon condensation'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'string, closed', 'membrane model', 'scattering amplitude, higher-order', 'Riemann surfaces', 'string, decoupling', 'tachyon, condensation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103056'] | ['The amplitudes in perturbative open string theory are examined as functions of the tachyon condensate parameter. The boundary state formalism demonstrates the decoupling of the open string modes at the non-perturbative minima of the tachyon potential via a degeneration of open world-sheets and identifies an independe... | ['2001-03-09'] |
1,144 | ['eng'] | ['Castro-Alvaredo, O A', 'Fring, A'] | ['Scaling functions from q-deformed Virasoro characters'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'algebra, deformation', 'algebra, representation', 'renormalization group, transformation', 'scaling', 'coset space', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103055'] | ['We propose a renormalization group scaling function which is constructed from q-deformed fermionic versions of Virasoro characters. By comparison with alternative methods, which take their starting point in the massive theories, we demonstrate that these new functions contain qualitatively the same information. We sh... | ['2001-03-09'] |
1,145 | ['eng'] | ['Gangopadhyaya, A', 'Mallow, J V', 'Sukhatme, U P'] | ['Broken Supersymmetric Shape Invariant Systems and Their Potential Algebras'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, symmetry breaking', 'potential, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103054'] | ['Although eigenspectra of one dimensional shape invariant potentials with unbroken supersymmetry are easily obtained, this procedure is not applicable when the parameters in these potentials correspond to broken supersymmetry, since there is no zero energy eigenstate. We describe a novel two-step shape invariance appr... | ['2001-03-09'] |
1,146 | ['eng'] | ['Oda, I'] | ['A New Mechanism for Trapping of Photon'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'membrane model', 'photon, massless', 'lattice field theory, U(1)', 'potential, differential forms', 'zero mode', 'action, topological', 'effect, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103052'] | ["We propose a new mechanism for trapping bulk gauge field, giving rise to a massless photon on a flat Minkowski 3-brane in the Randall-Sundrum model in five space-time dimensions. The mechanism we propose employs the topological Higgs mechansim where a topological term and a 3-form gauge potential play an important ro... | ['2001-03-08'] |
1,147 | ['eng'] | ['Dorey, P', 'Dunning, C', 'Tateo, R'] | ['Spectral equivalences from Bethe Ansatz equations'] | ['Particle Physics - Theory'] | ['Schroedinger equation, solution', 'potential', 'supersymmetry', 'Bethe ansatz', 'energy levels', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103051'] | ['The one-dimensional Schr\\"odinger equation for the potential $x^6+\\alpha x^2 +l(l+1)/x^2$ has many interesting properties. For certain values of the parameters l and alpha the equation is in turn supersymmetric (Witten), quasi-exactly solvable (Turbiner), and it also appears in Lipatov\'s approach to high energy QC... | ['2001-03-08'] |
1,148 | ['eng'] | ['Falomir, H A', 'Kirsten, K', 'Rébora, K'] | ['Divergencies in the Casimir energy for a medium with realistic ultraviolet behavior'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'matter, dielectric', 'bag model', 'regularization, zeta function', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103050'] | ['We consider a dielectric medium with an ultraviolet behavior as it follows from the Drude model. Compared with dilute models, this has the advantage that, for large frequencies, two different media behave the same way. As a result one expects the Casimir energy to contain less divergencies than for the dilute media a... | ['2001-03-08'] |
1,149 | ['eng'] | ['Bellucci, S', 'Galajinsky, A V', 'Lechtenfeld, O'] | ['A Heterotic N=2 String with Space-Time Supersymmetry'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'supersymmetry, space-time', 'supersymmetry, representation', 'particle, multiplet', 'symmetry, U(1,1)', 'quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103049'] | ['We reconsider the issue of embedding space-time fermions into the four-dimensional N=2 world-sheet supersymmetric string. A new heterotic theory is constructed, taking the right-movers from the N=4 topological extension of the conventional N=2 string but a c=0 conformal field theory supporting target-space supersymme... | ['2001-03-08'] |
1,150 | ['eng'] | ['Chekhov, L O', 'Khizhnyakov, A K'] | ['Gauge anomalies and the Witten-Seiberg correspondence for N=1 supersymmetric theories on noncommutative spaces'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'Seiberg-Witten model', 'geometry, algebra', 'differential geometry, noncommutative', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103048'] | ['The explicit form of non-Abelian noncommutative supersymmetric (SUSY) chiral anomaly is calculated, the Wess-Zumino consistency condition is verified and the correspondence of the Yang-Mills sector to the previously obtained results is shown. We generalize the Seiberg-Witten map to the case of N=1 SUSY Yang-Mills the... | ['2001-03-08'] |
1,151 | ['eng'] | ['Naculich, S G', 'Schnitzer, H J', 'Wyllard, N'] | ['Vacuum states of N=1* mass deformations of N=4 and N=2 conformal gauge theories and their brane interpretations'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'supersymmetry', 'field theory, conformal', 'vacuum state', 'mass spectrum', 'field theory, deformation', 'orientifold', 'group theory, representation', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103047'] | ['We find the classical supersymmetric vacuum states of a class of N = 1* field theories obtained by mass deforming superconformal models with simple gauge groups and N = 4 or N =2 supersymmetry. In particular, new classical vacuum states for mass-deformed N = 4 models with Sp(2N) and SO(N) gauge symmetry are found. We... | ['2001-03-08'] |
1,152 | ['eng'] | ["D'Innocentis, M", 'Ward, R S'] | ['Skyrmions on the Two-Sphere'] | ['Particle Physics - Theory'] | ['Skyrmion, energy', 'space, sphere', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103046'] | ['We study static solutions of the Skyrme model on the two-sphere of radius L, for various choices of potential. The high-density Skyrmion phase corresponds to the ratio beta=L/(size of Skyrmion) being small, whereas the low-density phase corresponds to beta being large. The transition between these two phases, and in ... | ['2001-03-08'] |
1,153 | ['eng'] | ['Kofinas, G'] | ['New Perspectives on Moving Domain Walls in (A)dS_(5) Space'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space-time, de Sitter', 'dimension, 5', 'field equations, solution', 'domain wall', 'astrophysics, model', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103045'] | ['A new moving domain wall solution is obtained for a flat 3-universe. This consists of a bulk metric depending on both time and the extra coordinate, plus a dynamically interacting domain wall, admitted by the metric and inhabited by the three-universe. The matter contents are cosmological constants on the domain wall... | ['2001-03-08'] |
1,154 | ['eng'] | ['Larsen, A L', 'Sánchez, N'] | ['New Coherent String States and Minimal Uncertainty in WZWN Models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, SL(2,R)', 'algebra, Virasoro', 'algebra, Kac-Moody', 'algebra, representation', 'coherent state', 'string model', 'uncertainty relations', 'unitarity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103044'] | ['We study the properties of {\\bf exact} (all level $k$) quantum coherent states in the context of string theory on a group manifold (WZWN models). Coherent states of WZWN models may help to solve the unitarity problem: Having positive norm, they consistently describe the very massive string states (otherwise excluded... | ['2001-03-08'] |
1,155 | ['eng'] | ['Saller, H'] | ['Spacetime as the Manifold of the Internal Symmetry Orbits in the External Symmetries'] | ['Particle Physics - Theory'] | ['space-time', 'symmetry, internal', 'symmetry, external', 'group theory, representation', 'representation, induced', 'group theory, orbit', 'particle, model', 'interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103043'] | ["Interactions and particles in the standard model are characterized by the action of internal and external symmetry groups. The four symmetry regimes involved are related to each other in the context of induced group representations. In addition to Wigner's induced representations of external Poincar\\'e group operati... | ['2001-03-08'] |
1,156 | ['eng'] | ['Bars, Itzhak', 'Deliduman, C'] | ['High Spin Gauge Fields and Two-Time Physics'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'spin, high', 'any-dimensional', 'space-time, signature', 'field theory, action', 'constraint', 'background field', 'time, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103042'] | ['All possible interactions of a point particle with background electromagnetic, gravitational and higher-spin fields is considered in the two-time physics worldline formalism in (d,2) dimensions. This system has a counterpart in a recent formulation of two-time physics in non-commutative field theory with local Sp(2) ... | ['2001-03-08'] |
1,157 | ['eng'] | ['Bazeia, D', 'Menezes, J', 'Santos, M M'] | ['Complete Factorization of Equations of Motion in Supersymmetric Field Theories'] | ['Particle Physics - Theory'] | ['supersymmetry', 'field equations, solution', 'factorization', 'gauge field theory, SU(N)', 'field theory, scalar', 'Bogomolnyi equation', 'integrability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103041'] | ["We investigate bosonic sectors of supersymmetric field theories. We consider superpotentials described by one and by two real scalar fields, and we show how the equations of motion can be factorized into a family of first order Bogomol'nyi equations, so that all the topological defects are of the Bogomol'nyi-Prasad-S... | ['2001-03-07'] |
1,158 | ['eng'] | ['Plyushchay, M S'] | ['Free conical dynamics'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'magnetic monopole', 'anyon', 'supersymmetry', 'scalar particle', 'gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'fermion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103040'] | ['We discuss the origin of the effectively free dynamics of the charge in the magnetic monopole field to apply it for finding the alternative treatment of the charge-monopole as a particle with spin, for tracing out the relation of the charge-monopole to the free relativistic anyon and for clarifying the nature of the ... | ['2001-03-07'] |
1,159 | ['eng'] | ['Volkov, M S'] | ['Gravitating Yang-Mills vortices in 4+1 spacetime dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'dimension, 3-5', 'Higgs model', 'instanton', 'gravitation', 'vortex', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103038'] | ['We consider the coupling to gravity of the particle-like and vortex-type solutions in D=5 spacetime dimensions obtained by uplifting the D=4 Yang-Mills instantons and the D=3 Yang-Mills-Higgs monopoles. It turns out that the particles become completely destroyed by gravity, while the vortices admit a rich spectrum of... | ['2001-03-07'] |
1,160 | ['eng'] | ['Bordag, M', 'Vassilevich, D V', 'Falomir, H A', 'Santangelo, E M'] | ['Multiple reflection expansion and heat kernel coefficients'] | ['Particle Physics - Theory'] | ['propagator', 'spectral representation', 'partial wave', 'regularization, heat kernel', 'boundary condition', 'operator, Laplace'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103037'] | ['We propose the multiple reflection expansion as a tool for the calculation of heat kernel coefficients. As an example, we give the coefficients for a sphere as a finite sum over reflections, obtaining as a byproduct a relation between the coefficients for Dirichlet and Neumann boundary conditions. Further, we calcula... | ['2001-03-07'] |
1,161 | ['eng'] | ['Hong, S T', 'Kim, W T', 'Oh, J J', 'Park, Y J'] | ['Higher dimensional flat embeddings of black strings in (2+1) dimensions'] | ['Particle Physics - Theory'] | ['string, embedding', 'dimension, 3-5', 'Unruh effect', 'duality', 'effect, Hawking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103036'] | ['We obtain (3+1) and (3+2) dimensional global flat embeddings of (2+1) uncharged and charged black strings, respectively. In particular, the charged black string, which is the dual solution of the Banados-Teitelboim-Zanelli black holes, is shown to be embedded in the same global embedding Minkowski space structure as ... | ['2001-03-07'] |
1,162 | ['eng'] | ['Vasilenko, O I'] | ['Some solutions of linearized 5-d gravity with brane'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'Randall-Sundrum model', 'membrane model', 'Einstein equation, linear', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103035'] | ['We consider linearized 5-d gravity in the Randall-Sundrum brane world. The class of static solutions for linearized Einstein equations is found. Also we obtaine wave solutions describing radiation from an imaginary point source located at the Planck distance from the brane. We analyze the fields asymptotic behavior a... | ['2001-03-07'] |
1,163 | ['eng'] | ['Antoniadis, Ignatios', 'Dimopoulos, S', 'Giveon, Amit'] | ['Little String Theory at a TeV'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model', 'spontaneous compactification', 'hierarchy', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103033'] | ["We propose a framework where the string scale as well as all compact dimensions are at the electroweak scale $\\sim$ TeV$^{-1}$. The weakness of gravity is attributed to the small value of the string coupling $g_s \\sim 10^{-16}$, presumably a remnant of the dilaton's runaway behavior, suggesting the possibility of a... | ['2001-03-07'] |
1,164 | ['eng'] | ['Nicolai, Hermann C', 'Samtleben, H'] | ['Compact and Noncompact Gauged Maximal Supergravities in Three Dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 3', 'gauge field theory', 'duality', 'group theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103032'] | ['We present the maximally supersymmetric three-dimensional gauged supergravities. Owing to the special properties of three dimensions -- especially the on-shell duality between vector and scalar fields, and the purely topological character of (super)gravity -- they exhibit an even richer structure than the gauged supe... | ['2001-03-07'] |
1,165 | ['eng'] | ['Corradini, O', 'Kakushadze, Z'] | ['A Solitonic 3-Brane in 6D Bulk'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 6', 'field theory, action', 'derivative, high', 'soliton', 'membrane model, p-brane', 'p-brane, 3', 'Gauss-Bonnet term', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103031'] | ["We construct a solitonic 3-brane solution in the 6-dimensional Einstein-Hilbert-Gauss-Bonnet theory with a (negative) cosmological term. This solitonic brane world is delta-function-like. Near the brane the metric is that for a product of the 4-dimensional flat Minkowski space with a 2-dimensional ``wedge'' with a de... | ['2001-03-07'] |
1,166 | ['eng'] | ['Mateos, D', 'Townsend, P K'] | ['Supertubes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model', 'angular momentum', 'Born-Infeld model', 'Q-ball'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103030'] | ["It is shown that a IIA superstring carrying D0-brane charge can be `blown-up', in a Minkowski vacuum background, to a (1/4)-supersymmetric tubular D2-brane, supported against collapse by the angular momentum generated by crossed electric and magnetic Born-Infeld fields. This `supertube' can be viewed as a worldvolume... | ['2001-03-06'] |
1,167 | ['eng'] | ['Nepomechie, R I'] | ['The boundary supersymmetric sine-Gordon model revisited'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'supersymmetry', 'S-matrix', 'integrability', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103029'] | ['We argue that, contrary to previous claims, the supersymmetric sine-Gordon model with boundary has a two-parameter family of boundary interactions which preserves both integrability and supersymmetry. We also propose the corresponding boundary S matrix for the first supermultiplet of breathers.'] | ['2001-03-06'] |
1,168 | ['eng'] | ['Segal, A Y'] | ['A generating formulation for free higher spin massless fields'] | ['Particle Physics - Theory'] | ['field theory, massless', 'spin, high', 'group theory, Poincare', 'group theory, anti-de Sitter', 'any-dimensional', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103028'] | ['An action describing the dynamics of an infinite collection of massless integer spin fields with spin s=0,1,2,3, ...$\\infty$ corresponding to totally symmetric Young tableaux representations of Poincare and anti-de Sitter groups is constructed, in any dimension d, in terms of two functions on a 2d-dimensional manifo... | ['2001-03-06'] |
1,169 | ['eng'] | ['Jirari, H', 'Kröger, H', 'Luo, X Q', 'Melkonian, G G', 'Moriarty, K J M'] | ['Renormalisation in Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'renormalization group', 'finite temperature', 'effective action', 'oscillator', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103027'] | ['We study a recently proposed quantum action depending on temperature. We construct a renormalisation group equation describing the flow of action parameters with temperature. At zero temperature the quantum action is obtained analytically and is found free of higher time derivatives. It makes the quantum action an id... | ['2001-03-06'] |
1,170 | ['eng'] | ['Battye, R', 'Sutcliffe, P'] | ['Skyrmions, Fullerenes and Rational Maps'] | ['Particle Physics - Theory'] | ['Skyrmion', 'transformation, rational', 'field equations, solution', 'symmetry, SU(2)', 'energy spectrum', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103026'] | ['We apply two very different approaches to calculate Skyrmions with baryon number B less than 23. The first employs the rational map ansatz, where approximate charge B Skyrmions are constructed from a degree B rational map between Riemann spheres. We use a simulated annealing algorithm to search for the minimal energy... | ['2001-03-06'] |
1,171 | ['eng'] | ['Kar, S'] | ['The geometry of RG flows in theory space'] | ['Particle Physics - Theory'] | ['renormalization group, beta function', 'fixed point', 'field theory, scalar', 'geometry', 'relativity theory, general'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103025'] | ['Renormalisation Group (RG) flows in theory space (the space of couplings) are generated by a vector field -- the $\\beta$ function. Using a specific metric ansatz in theory space and certain methods employed largely in the context of General Relativity, we examine the nature of the expansion, shear and rotation of ge... | ['2001-03-06'] |
1,172 | ['eng'] | ['Ho, P M'] | ['Making Non-Associative Algebra Associative'] | ['Particle Physics - Theory'] | ['string model, open', 'n-point function', 'algebra', 'membrane model, D-brane', 'gauge field theory, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103024'] | ['Based on results about open string correlation functions, a nonassociative algebra was proposed in a recent paper for D-branes in a background with nonvanishing $H$. We show that our associative algebra obtained by quantizing the endpoints of an open string in an earlier work can also be used to reproduce the same co... | ['2001-03-06'] |
1,173 | ['eng'] | ['Alexanian, G G', 'Balachandran, A P', 'Immirzi, G', 'Ydri, B'] | ['Fuzzy CP2'] | ['Particle Physics - Theory'] | ['quantum space, fuzzy', 'regularization', 'space, CP(2)', 'fermion', 'operator, Dirac', 'operator, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103023'] | ["Regularization of quantum field theories (QFT's) can be achieved by quantizing the underlying manifold (spacetime or spatial slice) thereby replacing it by a non-commutative matrix model or a ``fuzzy manifold''. Such discretization by quantization is remarkably successful in preserving symmetries and topological feat... | ['2001-03-06'] |
1,174 | ['eng'] | ['Buchel, A S', 'Frey, A'] | ['Comments on supergravity dual of pure N=1 Super Yang Mills theory with unbroken chiral symmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'supergravity', 'duality', 'symmetry breaking, chiral', 'spontaneous compactification', 'torsion', 'infrared problem', 'finite temperature'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103022'] | ['Maldacena and Nunez (MN) [hep-th/0008001] constructed a gravity solution describing pure N=1 Yang-Mills (YM) in the IR. Their (smooth) supergravity solution exhibits confinement and the U(1)_R chiral symmetry breaking of the dual YM theory, while the singular solution corresponds to the gauge theory phase with unbrok... | ['2001-03-06'] |
1,175 | ['eng'] | ['Takayanagi, T'] | ['Holomorphic Tachyons and Fractional D-branes'] | ['Particle Physics - Theory'] | ['field theory, string', 'boundary condition', 'membrane model, D-brane', 'membrane, fractional', 'tachyon, condensation', 'orbifold', 'scattering amplitude, higher-order', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103021'] | ['We study tachyon condensation on brane-antibrane systems in orbifold theories from the viewpoint of boundary string field theory. We show that the condensation of holomorphic tachyon fields generates various fractional D-branes. The boundary N=2 supersymmetry in the world-sheet theory ensures this result exactly. Fur... | ['2001-03-06'] |
1,176 | ['eng'] | ['Chen, G H', 'Wu, Y S'] | ['On Critical Phenomena in a Noncommutative Space'] | ['Particle Physics - Theory'] | ['Landau-Ginzburg model', 'dimension, 2', 'differential geometry, noncommutative', 'critical phenomena', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103020'] | ['In this paper we demonstrate that coordinate noncommutativity at short distances can show up in critical phenomena through UV-IR mixing. In the symmetric phase of the Landau-Ginsburg model, noncommutativity is shown to give rise to a non-zero anomalous dimension at one loop, and to cause instability towards a new pha... | ['2001-03-06'] |
1,177 | ['eng'] | ['Easson, D A', 'Brandenberger, R H'] | ['Universe Generation from Black Hole Interiors'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'black hole', 'information theory', 'horizon', 'causality', 'space-time', 'matter, density'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103019'] | ['We point out that scenarios in which the universe is born from the interior of a black hole may not posses many of the problems of the Standard Big-Bang (SBB) model. In particular we demonstrate that the horizon problem, flatness, and the structure formation problem might be solved naturally, not necessarily requirin... | ['2001-03-06'] |
1,178 | ['eng'] | ['Kishimoto, I'] | ['Fuzzy Sphere and Hyperbolic Space from Deformation Quantization'] | ['Particle Physics - Theory'] | ['sphere, fuzzy', 'quantization, deformation', 'dimension, 2', 'differential forms, symplectic', 'gauge field theory, U(1)', 'dimension, 4', 'algebra, SU(2)', 'algebra, SU(1,1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103018'] | ["We explicitly construct noncommutative * products on circularly symmetric two dimensional space by using the technique of Fedosov's deformation quantization. Especially, on constant curvature spaces i.e., S^2 and H^2, we get su(2) and su(1,1) algebra respectively. These are candidates of * products applicable to nonc... | ['2001-03-06'] |
1,179 | ['eng'] | ['Kamnitzer, J', 'Mann, R B'] | ['Super Liouville Black Holes'] | ['Particle Physics - Theory'] | ['supergravity', 'field theory, Liouville', 'supersymmetry', 'dimension, 2', 'field theory, action', 'field equations, solution', 'boson, condensation', 'black hole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103016'] | ['We describe in superspace a classical theory of of two dimensional $(1,1)$ dilaton supergravity coupled to a super-Liouville field, and find exact super black hole solutions to the field equations that have non-constant curvature. We consider the possibility that a gravitini condensate forms and look at the implicati... | ['2001-03-05'] |
1,180 | ['eng'] | ['De Fosse, L', 'Koerber, P', 'Sevrin, A'] | ['The Uniqueness of the Abelian Born-Infeld Action'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'Born-Infeld model, action', 'supersymmetry', 'soliton, BPS', 'field theory, deformation', 'stability', 'dimension, 10'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103015'] | ["Starting from BPS solutions to Yang-Mills which define a stable holomorphic vector bundle, we investigate its deformations. Assuming slowly varying fieldstrengths, we find in the abelian case a unique deformation given by the abelian Born-Infeld action. We obtain the deformed Donaldson-Uhlenbeck-Yau stability conditi... | ['2001-03-05'] |
1,181 | ['eng'] | ['Fateev, V A'] | ['Normalization Factors, Reflection Amplitudes and Integrable Systems'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, Toda', 'field theory, affine', 'energy, ground state', 'algebra, W(N)', 'S-matrix', 'field theory, deformation', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103014'] | ['We calculate normalization factors and reflection amplitudes in the W-invariant conformal quantum field theories. Using these CFT data we derive vacuum expectation values of exponential fields in affine Toda theories and related perturbed conformal field theories. We apply these results to evaluate explicitly the exp... | ['2001-03-05'] |
1,182 | ['eng'] | ['Polychronakos, A P'] | ['Quantum Hall states as matrix Chern-Simons theory'] | ['Particle Physics - Theory'] | ['Hall effect', 'Chern-Simons term', 'matrix model', 'Calogero model', 'quantization', 'excited state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103013'] | ['We propose a finite Chern-Simons matrix model on the plane as an effective description of fractional quantum Hall fluids of finite extent. The quantization of the inverse filling fraction and of the quasiparticle number is shown to arise quantum mechanically and to agree with Laughlin theory. We also point out the ef... | ['2001-03-05'] |
1,183 | ['eng'] | ['Zunger, Y'] | ['Fundamentals on the Noncommutative Plane'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'gauge field theory, Yang-Mills', 'fermion', 'differential geometry, noncommutative', 'scattering amplitude, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103012'] | ["We consider the addition of charged matter (``fundametals'') to noncommutative Yang-Mills theory and noncommutative QED, derive Feynman rules and tree-level potentials for them, and study the divergence structure of the theory. These particles behave very much as they do in the commutative theory, except that (1) the... | ['2001-03-05'] |
1,184 | ['eng'] | ['Acharya, B', 'Vafa, C'] | ['On Domain Walls of N=1 Supersymmetric Yang-Mills in Four Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 4', 'gauge field theory, U(N)', 'dimension, 3', 'supersymmetry', 'domain wall, BPS', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103011'] | ['We study the BPS domain walls of supersymmetric Yang-Mills for arbitrary gauge group. We describe the degeneracies of domain walls interpolating between arbitrary pairs of vacua. A recently proposed large N duality sheds light on various aspects of such domain walls. In particular, for the case of G = SU(N) the domai... | ['2001-03-02'] |
1,185 | ['eng'] | ['Graham, N', 'Jaffe, R L', 'Quandt, M', 'Weigel, H'] | ['Quantum Energies of Interfaces'] | ['Particle Physics - Theory'] | ['membrane model', 'domain wall', 'vortex', 'energy, renormalization', 'sum rule, finite energy', 'partial wave', 'bound state, energy', 'Born approximation', 'two-point function', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103010'] | ['We present a method for computing the one-loop, renormalized quantum energies of symmetrical interfaces of arbitrary dimension and codimension using elementary scattering data. Internal consistency requires apparently new finite-energy sum rules relating phase shifts to bound state energies.'] | ['2001-03-02'] |
1,186 | ['eng'] | ['Oda, I'] | ['Antisymmetric Tensor Fields in the Locally Localized Gravity Models'] | ['Particle Physics - Theory'] | ['gravitation, local', 'field theory, tensor', 'membrane model, anti-de Sitter', 'zero mode', 'dimension, 5', 'potential, differential forms', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103009'] | ['We study the localization property of antisymmetric tensor fields in the locally localized gravity models. It is shown that all the antisymmetric tensor fields, including the vector field, in a bulk space-time are trapped on an $AdS$ brane by a gravitational interaction where the presence of the brane cosmological co... | ['2001-03-02'] |
1,187 | ['eng'] | ['Sharpe, E'] | ['Quotient Stacks and String Orbifolds'] | ['Particle Physics - Theory'] | ['string, orbifold', 'sigma model', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103008'] | ["In this short review we outline some recent developments in understanding string orbifolds. In particular, we outline the recent observation that string orbifolds do not precisely describe string propagation on quotient spaces, but rather are literally sigma models on objects called quotient stacks, which are closely... | ['2001-03-02'] |
1,188 | ['eng'] | ['Petkova, V B', 'Zuber, J B'] | ['Conformal Boundary Conditions and what they teach us'] | ['Particle Physics - Theory'] | ['talk, Budapest 2000/08/14', 'field theory, conformal', 'dimension, 2', 'boundary condition', 'operator, vertex', 'operator, algebra', 'algebra, representation', 'quantum algebra', 'transformation, modular', 'lattice field theory', 'integrability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103007'] | ["The question of boundary conditions in conformal field theories is discussed, in the light of recent progress. Two kinds of boundary conditions are examined, along open boundaries of the system, or along closed curves or ``seams''. Solving consistency conditions known as Cardy equation is shown to amount to the algeb... | ['2001-03-02'] |
1,189 | ['eng'] | ['Langmann, E', 'Mickelsson, J', 'Rydh, S'] | ['Anomalies and Schwinger terms in NCG field theory models'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'anomaly, chiral', 'commutation relations', 'transformation, Becchi-Rouet-Stora', 'differential forms', 'Hilbert space', 'Hamiltonian formalism', 'Schwinger terms', 'torus, noncommutative', 'operator, Dirac'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103006'] | ['We study the quantization of chiral fermions coupled to generalized Dirac operators arising in NCG Yang-Mills theory. The cocycles describing chiral symmetry breaking are calculated. In particular, we introduce a generalized locality principle for the cocycles. Local cocycles are by definition expressions which can b... | ['2001-03-02'] |
1,190 | ['eng'] | ['Bellucci, S', 'Nersessian, A P'] | ['Kähler geometry and SUSY mechanics'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'mechanics', 'supersymmetry', 'geometry, Kaehler', 'geometry, symplectic', 'sigma model', 'dimension, 1', 'phase space', 'quantization, Becchi-Rouet-Stora', 'quantization, Batalin-Vilkovisky'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103005'] | ['We present two examples of SUSY mechanics related with K\\"ahler geometry. The first system is the N=4 supersymmetric one-dimensional sigma-model proposed in hep-th/0101065. Another system is the N=2 SUSY mechanics whose phase space is the external algebra of an arbitrary K\\"ahler manifold. The relation of these mod... | ['2001-03-02'] |
1,191 | ['eng'] | ['Gorsky, A S', 'Rubtsov, V N'] | ['Dualities in integrable systems'] | ['Particle Physics - Theory'] | ['talk, Kiev 2000/09/25', 'differential equations', 'integrability', 'duality', 'symmetry, SU(2)', 'quantization', 'Hamiltonian formalism', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103004'] | ['We discuss geometrical aspects of different dualities in the integrable systems of the Hitchin type and its various generalizations. It is shown that T duality known in the string theory context is related to the separation of variables procedure in dynamical system. We argue that there are analogues of S duality as ... | ['2001-03-02'] |
1,192 | ['eng'] | ['Azuma, T'] | ['Investigation of Matrix Theory via Super Lie Algebra'] | ['Particle Physics - Theory'] | ['thesis', 'string model', 'supersymmetry, algebra', 'algebra, Lie', 'matrix model', 'quantum gravity', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'triangulation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103003'] | ['This paper reports the investigation of a matrix model via super Lie algebra, following the proposal of L. Smolin. We consider the osp(1|32,R) nongauged matrix model and gl(1|32,R) gauged matrix model, especially paying attention to the supersymmetry and the relationship with IKKT model. This paper is based on the co... | ['2001-03-02'] |
1,193 | ['eng'] | ['Vaidya, S'] | ['Perturbative dynamics on fuzzy S^2 and RP^2'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'space, S(2)', 'space, fuzzy', 'space, RP(2)', 'field theory, scalar', 'symmetry, O(N)', 'renormalization group, fixed point', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102212'] | ['By considering scalar theories on the fuzzy sphere as matrix models, we construct a renormalization scheme and calculate the one-loop effective action. Because of UV-IR mixing, the two- and the four-point correlators at low energy are not slowly varying functions of external momenta. Interestingly, we also find that ... | ['2001-03-01'] |
1,194 | ['eng'] | ['Neronov, Andrii Yu'] | ['Localization of Kaluza-Klein gauge fields on a brane'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'fibre bundle', 'gauge field theory, Yang-Mills', 'field theory, scalar', 'field equations, solution', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102210'] | ['In phenomenological models with extra dimensions there is a natural symmetry group associated to a brane universe, -- the group of rotations of normal bundle of the brane. We consider Kaluza-Klein gauge fields corresponding to this group and show that they can be localized on the brane in models with warped extra dim... | ['2001-03-01'] |
1,195 | ['eng'] | ['Babujian, H M', 'Karowski, M'] | ['The Form Factors and Quantum Equation of Motion in the sine-Gordon Model'] | ['Particle Physics - Theory'] | ['talk, Kiev 2000/09/25', 'sine-Gordon model', 'dimension, 2', 'quantization', 'soliton', 'charge, topological', 'tensor, energy-momentum', 'form factor', 'Bethe ansatz', 'current, conservation law', 'S-matrix'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102209'] | ["Using the methods of the 'form factor program' exact expressions of all matrix elements are obtained for several operators of the quantum sine-Gordon model alias the massive Thirring model. A general formula is presented which provides form factors in terms of an integral representation. In particular charge-less ope... | ['2001-03-01'] |
1,196 | ['eng'] | ['Cattaneo, A S', 'Felder, G'] | ['Poisson sigma models and deformation quantization'] | ['Particle Physics - Theory'] | ['talk, Villa Gualino 2000/10/02', 'sigma model, nonlinear', 'quantization, deformation', 'Hamiltonian formalism', 'charge, topological', 'group theory, geometrical', 'differential geometry, symplectic', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102208'] | ["This is a review aimed at a physics audience on the relation between Poisson sigma models on surfaces with boundary and deformation quantization. These models are topological open string theories. In the classical Hamiltonian approach, we describe the reduced phase space and its structures (symplectic groupoid), expl... | ['2001-03-01'] |
1,197 | ['eng'] | ['Berezhiani, Z G', 'Chaichian, Masud', 'Kobakhidze, A B', 'Yu, Z H'] | ['Vanishing of cosmological constant and fully localized gravity in a Brane World with extra time(s)'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'gravitation', 'membrane model', 'dimension, 6', 'dimension, 4', 'perturbation, linear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102207'] | ['We construct an intersecting brane configuration in six-dimensional space with one extra space-like and one extra time-like dimensions. With a certain additional symmetry imposed on the extra space-time we have found that effective four-dimensional cosmological constant vanishes automatically, providing the static so... | ['2001-03-01'] |
1,198 | ['eng'] | ['Liu, G Z', 'Cheng, G'] | ['A condition on the chiral symmetry breaking solution of the Dyson-Schwinger equation in three-dimensional QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'fermion', 'symmetry breaking, chiral', 'approximation, quenching', 'Feynman graph, planar', 'Dyson-Schwinger equation, solution', 'perturbation theory, higher-order', 'expansion 1/N'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102205'] | ['In three-dimensional QED, which is analysed in the 1/N expansion, we derive a sufficient and necessary condition for a nontrivial solution of the Dyson-Schwinger equation to be a chiral symmetry breaking solution. In the derivation, a normalization condition of the Goldstone bound state is used. We compare this condi... | ['2001-03-01'] |
1,199 | ['eng'] | ['Cheng, G'] | ['Advance in dynamical spontaneous symmetry breaking'] | ['Particle Physics - Theory'] | ['symmetry, spontaneously broken', 'symmetry, dynamically broken', 'fermion, bound state', 'Goldstone theorem', 'Dyson-Schwinger equation', 'Bethe-Salpeter equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102204'] | ['Recently, a condition is derived for a nontrivial solution of the Schwinger-Dyson equation to be accompanied by a Goldstone bound state in a special quantum electrodynamics model. This result is extended and a new form of the Goldstone theorem is obtained in a general quantum field theory framework.'] | ['2001-03-01'] |
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