Unnamed: 0 int64 0 18.1k | language stringclasses 4
values | creator stringlengths 2 137 | title stringlengths 2 217 | subject stringclasses 15
values | keyword stringlengths 10 597 | identifier stringlengths 82 244 | description stringlengths 2 2.3k | date stringlengths 14 14 |
|---|---|---|---|---|---|---|---|---|
3,800 | ['eng'] | ['Barnich, G'] | ['Refining the anomaly consistency condition'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'quantization, Batalin-Vilkovisky', 'constraint', 'differential forms', 'anomaly', 'cohomology, Becchi-Rouet-Stora', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003135'] | ['In the extended antifield formalism, a quantum BRST differential for anomalous gauge theories is constructed. Local BRST cohomological classes are characterized, besides the form degree and the ghost number, by the length of their descents and of their lifts, and this both in the standard and the extended antifield f... | ['2000-03-16'] |
3,801 | ['eng'] | ['Fosco, C D', 'Mazzitelli, F D'] | ['Anomalies and symmetries of the regularized action'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massless', 'gravitation, background', 'dimension, 2', 'regularization, Pauli-Villars', 'anomaly, conformal', 'anomaly, chiral', 'fermion, massless', 'electromagnetic field', 'transformation, Weyl', 'transformation, nonlocal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003134'] | ['We show that the Pauli-Villars regularized action for a scalar field in a gravitational background in 1+1 dimensions has, for any value of the cutoff M, a symmetry which involves non-local transformations of the regulator field plus (local) Weyl transformations of the metric tensor. These transformations, an extensio... | ['2000-03-16'] |
3,802 | ['eng'] | ['Bertoldi, G', 'Isidro, J M', 'Matone, M', 'Pasti, P'] | ['Noncommutative Riemann Surfaces'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'M-theory', 'matrix model', 'Riemann surfaces, higher-order', 'gauge field theory, U(N)', 'fibre bundle, stability', 'cohomology', 'scaling', 'differential geometry, noncommutative', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003131'] | ["We compactify M(atrix) theory on Riemann surfaces Sigma with genus g>1. Following [1], we construct a projective unitary representation of pi_1(Sigma) realized on L^2(H), with H the upper half-plane. As a first step we introduce a suitably gauged sl_2(R) algebra. Then a uniquely determined gauge connection provides t... | ['2000-03-16'] |
3,803 | ['eng'] | ['Bilal, Adel', 'Chu, C S'] | ['Testing the $AdS/CFT$ correspondence beyond large $N$'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'field theory, conformal', 'field theory, anti-de Sitter', 'gauge field theory, Yang-Mills', 'dimension, 4', 'string model', 'dimension, 10', 'supersymmetry', 'spontaneous compactification', 'gauge field theory, SU(N)', 'expansion 1/N', 'perturbation theory, higher-order', 'anomaly, chiral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003129'] | ['According to the AdS/CFT correspondence, the maximally supersymmetric SU(N) Yang-Mills theory in 4 dimensions is dual to the type IIB string theory compactified on AdS_5 x S^5. Most of the tests performed so far are confined to the leading order at large N or equivalently string tree-level. To probe the correspondenc... | ['2000-03-16'] |
3,804 | ['eng'] | ['Malik, R P'] | ['New local symmetry for QED'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion', 'dimension, 2', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'ghost, action', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003128'] | ['A new local, covariant and nilpotent symmetry is shown to exist for the interacting BRST invariant U(1) gauge theory in two dimensions of spacetime. Under this new symmetry, it is the gauge-fixing term that remains invariant and the corresponding transformations on the Dirac fields turn out to be the analogue of chir... | ['2000-03-16'] |
3,805 | ['eng'] | ['Calixto, M', 'Aldaya, V'] | ['Algebraic characterization of constraints and generation of mass in gauge theories'] | ['Particle Physics - Theory'] | ['talk, Villasimius 1999/09/14', 'gauge field theory, Yang-Mills', 'quantization, constraint', 'operator, algebra', 'wave function', 'mass generation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003127'] | ['The possibility of non-trivial representations of the gauge group on wavefunctionals of a gauge invariant quantum field theory leads to a generation of mass for intermediate vector and tensor bosons. The mass parameters "m" show up as central charges in the algebra of constraints, which then become of second-class na... | ['2000-03-16'] |
3,806 | ['eng'] | ['Závada, P'] | ['Relativistic wave equations with fractional derivatives and pseudo-differential operators'] | ['Particle Physics - Theory'] | ['field equations, relativistic', 'derivative, fractional', 'operator, differential', 'group theory, Lorentz', 'group theory, SU(N)', 'group theory, representation', 'propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003126'] | ["The class of the free relativistic covariant equations generated by the fractional powers of the D'Alambertian operator $(\\Box ^{1/n})$ is studied. Meanwhile the equations corresponding to n=1 and 2 (Klein-Gordon and Dirac equations) are local in their nature, the multicomponent equations for arbitrary n>2 are non-l... | ['2000-03-16'] |
3,807 | ['eng'] | ['Adam, C', 'Muratori, B', 'Nash, C'] | ['On non-$L^{2}$ solutions to the Seiberg-Witten equations'] | ['Particle Physics - Theory'] | ['Seiberg-Witten model', 'gauge field theory, Yang-Mills', 'supersymmetry', 'field equations, solution', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003125'] | ["We show that a previous paper of Freund describing a solution to the Seiberg-Witten equations has a sign error rendering it a solution to a related but different set of equations. The non-$L^2$ nature of Freund's solution is discussed and clarified and we also construct a whole class of solutions to the Seiberg-Witte... | ['2000-03-16'] |
3,808 | ['eng'] | ['Majumder, J', 'Sen, A'] | ['Vortex Pair Creation on Brane-Antibrane Pair via Marginal Deformation'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'soliton, BPS', 'vortex, pair production', 'field theory, conformal', 'dimension, 2', 'deformation, marginal', 'Wilson loop', 'string model, open', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003124'] | ['It has been conjectured that the vortex solution on a D-brane - anti-D-brane system represents a D-brane of two lower dimension. We establish this result by first identifying a series of marginal deformations which create the vortex - antivortex pair on the brane - antibrane system, and then showing that under this s... | ['2000-03-16'] |
3,809 | ['eng'] | ['Shaynkman, O V', 'Vasilev, M A'] | ['Scalar Field in any Dimension from the Higher Spin Gauge Theory Perspective'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'any-dimensional', 'space-time, anti-de Sitter', 'spin, high', 'field equations', 'Fock space', 'Klein-Gordon equation', 'cohomology', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003123'] | ['We formulate the equations of motion of a free scalar field in the flat and $AdS$ space of an arbitrary dimension in the form of some "higher spin" covariant constancy conditions. Klein-Gordon equation is interpreted as a non-trivial cohomology of a certain "\\sgm-complex". The action principle for a scalar field is ... | ['2000-03-16'] |
3,810 | ['eng'] | ['Garousi, M R'] | ['Tachyon couplings on non-BPS D-branes and Dirac-Born-Infeld action'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'scattering amplitude', 'background field', 'tachyon, coupling', 'fluctuation', 'Born-Infeld model', 'duality, T-duality', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003122'] | ['By explicit evaluation of certain disk S-matrix elements in the presence of background B-flux, we find coupling of two open string tachyons to gauge field, graviton, dilaton or Kalb-Ramond antisymmetric tensor on the world-volume of a single non-BPS D$p$-brane. We then propose an extension of the abelian Dirac-Born-I... | ['2000-03-16'] |
3,811 | ['eng'] | ['Janik, R A', 'Wosiek, J'] | ['Towards the matrix model of $M$-theory on a lattice'] | ['Particle Physics - Theory'] | ['matrix model', 'M-theory', 'gauge field theory, SU(2)', 'lattice field theory', 'approximation, quenching', 'scaling', 'critical phenomena', 'black hole', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003121'] | ['The Wilson discretization of the dimensionally reduced supersymmetric Yang-Mills theory is constructed. This gives a lattice version of the matrix model of M-theory. An SU(2) model is studied numerically in the quenched approximation for D=4. The system shows canonical scaling in the continuum limit. A clear signal f... | ['2000-03-16'] |
3,812 | ['eng'] | ['Rehren, K H'] | ['Local Quantum Observables in the Anti-de Sitter - Conformal QFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'algebra', 'causality', 'Hilbert space', 'space-time', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003120'] | ['Quantum field theory on d+1-dimensional anti-deSitter space-time admits a re-interpretation as a quantum field theory with conformal symmetry on d-dimensional Minkowski space-time. This conjecture originally emerged from string theory considerations. Here, it is proven in a general framework by an explicit identifica... | ['2000-03-16'] |
3,813 | ['eng'] | ['Caselle, M'] | ['Lattice Gauge Theories and the $AdS/CFT$ Correspondence'] | ['Particle Physics - Theory'] | ['lectures, Parma 1999/09', 'gauge field theory, SU(N)', 'field theory, anti-de Sitter', 'field theory, conformal', 'lattice field theory, continuum limit', 'finite temperature', 'perturbation theory, higher-order', 'approximation, strong coupling', 'string model', 'string tension', 'effective action', 'expansion 1/N',... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003119'] | ['This is the write-up of a set of lectures on the comparison between Lattice Gauge Theories and AdS/CFT results for the non-perturbative behaviour of non-supersymmetric Yang Mills theories. These notes are intended for students which are assumed not to be experts in L.G.T. For this reason the first part is devoted to ... | ['2000-03-16'] |
3,814 | ['eng'] | ['Emparan, R', 'Horowitz, Gary T', 'Myers, R C'] | ['Black Holes Radiate Mainly on the Brane'] | ['Particle Physics - Theory'] | ['black hole', 'radiation, Hawking', 'membrane model', 'Kaluza-Klein model', 'space-time, higher-dimensional', 'energy loss'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003118'] | ['We examine the evaporation of a small black hole on a brane in a world with large extra dimensions. Since the masses of many Kaluza-Klein modes are much smaller than the Hawking temperature of the black hole, it has been claimed that most of the energy is radiated into these modes. We show that this is incorrect. Mos... | ['2000-03-15'] |
3,815 | ['eng'] | ['Altendorfer, R', 'Bagger, Jonathan A', 'Nemeschansky, D D'] | ['Supersymmetric Randall-Sundrum Scenario'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 5', 'gravitation', 'field theory, scalar', 'supersymmetry', 'effective action', 'membrane model', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003117'] | ['We present the supersymmetric version of the minimal Randall-Sundrum model with two opposite tension branes.'] | ['2000-03-15'] |
3,816 | ['eng'] | ['Arutyunov, G E', 'Frolov, S', 'Theisen, Stefan J'] | ['A note on gravity-scalar fluctuations in holographic $RG$ flow geometries'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'dimension, 5', 'background field', 'constraint', 'superpotential', 'renormalization group, transformation', 'fluctuation', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003116'] | ['We study five-dimensional gravity models with non-vanishing background scalar fields which are dual to non-conformal boundary field theories. We develop a procedure to decouple the graviton fluctuations from the scalar ones and apply it to the simplest case of one scalar field. The quadratic action for the decoupled ... | ['2000-03-15'] |
3,817 | ['eng'] | ['Brower, R C', 'Mathur, S D', 'Tan, C I'] | ['Glueball Spectrum for QCD from $AdS$ Supergravity Duality'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'dimension, 4', 'dimension, 3', 'glueball, mass spectrum', 'glueball, spin', 'duality', 'approximation, strong coupling', 'supergravity', 'black hole, anti-de Sitter', 'dimension, 11', 'space-time, fluctuation', 'field equations', 'pomeron', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003115'] | ['We present the analysis of the complete glueball spectrum for the $AdS^7$ black hole supergravity dual of $QCD_4$ in strong coupling limit: $g^2 N \\to \\infty$. The bosonic fields in the supergravity multiplet lead to 6 independent wave equations contributing to glueball states with $J^{PC} = 2^{++},1^{+-}, 1^{--}$,... | ['2000-03-15'] |
3,818 | ['eng'] | ['Grigoriev, M A', 'Lyakhovich, S L'] | ['Fedosov Deformation Quantization as a BRST Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, deformation', 'quantization, Batalin-Vilkovisky', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'constraint', 'fibre bundle', 'differential forms', 'differential geometry, symplectic', 'operator, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003114'] | ['The relationship is established between the Fedosov deformation quantization of a general symplectic manifold and the BFV-BRST quantization of constrained dynamical systems. The original symplectic manifold $\\manM$ is presented as a second class constrained surface in the fibre bundle $\\mod\\manM$ which is a certai... | ['2000-03-15'] |
3,819 | ['eng'] | ['Andreev, O D', 'Dorn, H'] | ['Diagrams of Noncommutative $\\Phi$-Three Theory from String Theory'] | ['Particle Physics - Theory'] | ['string model', 'string, open', 'phi**n model, 3', 'scattering amplitude, higher-order', 'tachyon', 'field strength, constant', 'scattering amplitude, factorization', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003113'] | ['Starting from tree and one-loop tachyon amplitudes of open string theory in the presence of a constant B-field, we explore two problems. First we show that in the noncommutative field theory limit the amplitudes reduce to tree and one-loop diagrams of the noncommutative phi-three theory. Next, we check factorization ... | ['2000-03-15'] |
3,820 | ['eng'] | ['Gavrilov, S P', 'Gitman, D M'] | ['Quantization of Point-Like Particles and Consistent Relativistic Quantum Mechanics'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'quantization, 1', 'quantum mechanics', 'field theory, scalar', 'fermion', 'gauge field theory, U(1)', 'background field', 'Hamiltonian formalism', 'phase space, Hilbert space', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003112'] | ['We revise the problem of the quantization of relativistic particle models (spinless and spinning), presenting a modified consistent canonical scheme. One of the main point of the modification is related to a principally new realization of the Hilbert space. It allows one not only to include arbitrary backgrounds in t... | ['2000-03-15'] |
3,821 | ['eng'] | ['de Azcárraga, J A', 'MacFarlane, A J'] | ['Fermionic realisations of simple Lie algebras'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, representation', 'Fock space', 'fermion', 'group theory, SU(2)', 'group theory, SU(3)', 'group theory, SU(5)', 'cohomology', 'quantum mechanics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003111'] | ['We study the representation ${\\cal D}$ of a simple compact Lie algebra $\\g$ of rank l constructed with the aid of the hermitian Dirac matrices of a (${\\rm dim} \\g$)-dimensional euclidean space. The irreducible representations of $\\g$ contained in ${\\cal D}$ are found by providing a general construction on suita... | ['2000-03-15'] |
3,822 | ['eng'] | ['Recknagel, A', 'Roggenkamp, D', 'Schomerus, V'] | ['On relevant boundary perturbations of unitary minimal models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'model, minimal', 'algebra, Virasoro', 'boundary condition, deformation', 'renormalization group, fixed point', 'operator product expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003110'] | ["We consider unitary Virasoro minimal models on the disk with Cardy boundary conditions and discuss deformations by certain relevant boundary operators, analogous to tachyon condensation in string theory. Concentrating on the least relevant boundary field, we can perform a perturbative analysis of renormalization grou... | ['2000-03-15'] |
3,823 | ['eng'] | ['Gregory, R', 'Rubakov, V A', 'Sibiryakov, S M'] | ['Brane worlds'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 5', 'membrane model, p-brane', 'p-brane, 3', 'Einstein equation, solution', 'approximation, linear', 'fluctuation', 'zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003109'] | ['In the framework of a five-dimensional model with one 3-brane and an infinite extra dimension, we discuss a process in which matter escapes from the brane and propagates into the bulk to arbitrarily large distances. An example is a decay of a particle of mass $2m$ residing on the brane into two particles of mass $m$ ... | ['2000-03-15'] |
3,824 | ['eng'] | ['Mostafazadeh, A', 'Samani, K A'] | ['Topological Symmetries'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'symmetry, topological', 'Witten index', 'operator, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003108'] | ['We introduce the notion of a topological symmetry as a quantum mechanical symmetry involving a certain topological invariant. We obtain the underlying algebraic structure of the Z_2-graded uniform topological symmetries of type (1,1) and (2,1). This leads to a novel derivation of the algebras of supersymmetry and $p=... | ['2000-03-15'] |
3,825 | ['eng'] | ['Slad, L M'] | ['Double Symmetries in Field Theories'] | ['Particle Physics - Theory'] | ['symmetry, transformation', 'supersymmetry', 'vacuum state', 'sigma model, nonlinear', 'gauge field theory, U(1)', 'parity, violation', 'symmetry, SU(2) x SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003107'] | ['In the paper a concept of a double symmetry is introduced, and its qualitative characteristics and rigorous definitions are given. We describe two ways to construct the double-symmetric field theories and present an example demonstrating the high efficiency of one of them. In noting the existing double-symmetric theo... | ['2000-03-15'] |
3,826 | ['eng'] | ['De Pol, G C', 'Singh, H', 'Tonin, M'] | ['Action with Manifest Duality for Maximally Supersymmetric Six-Dimensional Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'spontaneous compactification, torus', 'dimension, 6', 'coset space, SO(5,5)/SO(5) x SO(5)', 'duality', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003106'] | ['We perform explicitly the toroidal compactification of eleven dimensional supergravity to six dimensions and present its action in a manifestly $SO(5,5)\\over SO(5)\\times SO(5)$ invariant form using the recently proposed covariant formulation of theories involving chiral fields.'] | ['2000-03-15'] |
3,827 | ['eng'] | ['Bakker, B L G', 'Ji, C R'] | ['Disentangling Intertwined Embedded States and Spin Effects in Light-Front Quantization'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'quantization, light front', 'amplitude analysis', 'Feynman graph, higher-order', 'singularity', 'current', 'pseudoscalar meson, form factor', 'scalar meson, form factor', 'fermion', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003105'] | ['Naive light-front quantization, carried out by a light-front energy integration of covariant amplitudes, is not guaranteed to generate the corresponding Feynman amplitudes. In an explicit example we show that the nonvalence contribution to the minus-component of the EM current of a meson with fermion constituents has... | ['2000-03-15'] |
3,828 | ['eng'] | ['Cataldo, M', 'García, A'] | ['Regular (2+1)-dimensional black holes within non-linear Electrodynamics'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 3', 'electric field, nonlinear', 'Einstein equation, solution', 'space-time, BTZ', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0004177'] | ['(2+1)-regular static black hole solutions with a nonlinear electric field are derived. The source to the Einstein equations is an energy momentum tensor of nonlinear electrodynamics, which satisfies the weak energy conditions and in the weak field limit becomes the (2+1)-Maxwell field tensor. The derived class of sol... | ['2000-04-26'] |
3,829 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N', 'Sadrzadeh, A', 'Tran, T A'] | ['Consistent SO(6) Reduction Of Type IIB Supergravity on $S^{5}$'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'space-time, S(5)', 'gauge field theory, SO(6)', 'Kaluza-Klein model', 'dimensional reduction', 'dimension, 11', 'dimension, 10'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003103'] | ['Type IIB supergravity can be consistently truncated to the metric and the self-dual 5-form. We obtain the complete non-linear Kaluza-Klein S^5 reduction Ansatz for this theory, giving rise to gravity coupled to the fifteen Yang-Mills gauge fields of SO(6) and the twenty scalars of the coset SL(6,R)/SO(6). This provid... | ['2000-03-14'] |
3,830 | ['eng'] | ['Castellani, L', 'Sommovigo, L'] | ['New AdS(3) x G/H compactifications of chiral IIB supergravity'] | ['Particle Physics - Theory'] | ['supergravity, chiral', 'dimension, 10', 'field equations, solution', 'space-time, anti-de Sitter', 'coset space', 'spontaneous compactification', 'supersymmetry', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003102'] | ['We present a new class of solutions of D=10, N=2 chiral supergravity. A nonvanishing background for the field strength G_{MNR} of the complex two-form triggers AdS_3 x M_7 compactifications, where M_7 is a 7-dimensional compact manifold. When M_7 is a nonsymmetric coset space G/H, we can always find a set of constant... | ['2000-03-14'] |
3,831 | ['eng'] | ['Harvey, J A', 'Kutasov, D', 'Martinec, Emil J'] | ['On the relevance of tachyons'] | ['Particle Physics - Theory'] | ['tachyon, condensation', 'renormalization group', 'field theory, string'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003101'] | ['We study condensation of open string tachyons using renormalization group flow in the worldsheet field theory. This approach leads to a simple picture of the physics of the nontrivial condensate.'] | ['2000-03-14'] |
3,832 | ['eng'] | ['Bars, Itzhak'] | ['Two-Time Physics in Field Theory'] | ['Particle Physics - Theory'] | ['space-time, signature', 'any-dimensional', 'gauge field theory, OSp(N|2)', 'quantization, constraint', 'Hamiltonian formalism', 'field theory, scalar', 'massless', 'space-time, anti-de Sitter', 'Schroedinger equation', 'Dirac equation', 'spin, high', 'gravitation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003100'] | ["A field theory formulation of two-time physics in d+2 dimensions is obtained from the covariant quantization of the constraint system associated with the OSp(n|2) worldline gauge symmetries of two-time physics. Interactions among fields can then be included consistently with the underlying gauge symmetries. Through t... | ['2000-03-14'] |
3,833 | ['eng'] | ['Dabrowski, L', 'Krajewski, T', 'Landi, G'] | ['Some Properties of Nonlinear $\\sigma$-Models in Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['talk, Torino 1999/09/20', 'sigma model, nonlinear', 'dimension, 2', 'space-time, torus', 'differential geometry, noncommutative', 'Wess-Zumino term', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003099'] | ['We introduce non-linear $\\sigma$-models in the framework of noncommutative geometry with special emphasis on models defined on the noncommutative torus. We choose as target spaces the two point space and the circle and illustrate some characteristic features of the corresponding $\\sigma$-models. We also define and ... | ['2000-03-14'] |
3,834 | ['eng'] | ['Bertola, M', 'Bros, J', 'Gorini, V', 'Moschella, U', 'Schäffer, R'] | ['Decomposing Quantum Fields on Branes'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'space-time, anti-de Sitter', 'space-time, Minkowski', 'Klein-Gordon equation', 'propagator', 'operator, algebra', 'acceleration', 'membrane model', 'phase space, Hilbert space', 'Unruh effect', 'axiomatic field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003098'] | ['We provide a method to decompose the two-point function of a quantum field on a warped manifold in terms of fields living on a lower-dimensional manifold. We discuss explicit applications to Minkowski, de Sitter and anti-de Sitter quantum field theories. This decomposition presents a remarkable analogy with the holog... | ['2000-03-14'] |
3,835 | ['eng'] | ['Bergamin, L', 'Minkowski, Peter'] | ['Dynamical Symmetry Breaking and Static Limits of Extended Super-Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'Seiberg-Witten model', 'effective action', 'supersymmetry, symmetry breaking', 'thermodynamics', 'symmetry, dynamically broken', 'operator, composite', 'expansion, external field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003097'] | ['From a supersymmetry covariant source extension of N=2 SYM we study non-trivial thermodynamical limits thereof. Using an argument by one of us about the solution of the strong CP problem and the uniqueness of the QCD ground state we find that the dependence of the effective potential on the defining field operators i... | ['2000-03-14'] |
3,836 | ['eng'] | ['Eden, B U', 'Schubert, C', 'Sokatchev, Emery S'] | ['Three-Loop Four-Point Correlator in N = 4 SYM'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'n-point function, 4', 'invariance, conformal', 'superspace, harmonic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003096'] | ['We explicitly compute the complete three-loop (O(g^4)) contribution to the four-point function of chiral primary current-like operators <(q)^2 q^2 (q)^2 q^2> in any finite N=2 SYM theory. The computation uses N=2 harmonic supergraphs in coordinate space. Dramatic simplifications are achieved by a double insertion of ... | ['2000-03-14'] |
3,837 | ['eng'] | ['Ribaric, M', 'Sustersic, L'] | ['There is a physically plausible regularization of QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'regularization', 'photon, massive', 'propagator', 'S-matrix', 'Feynman graph'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003094'] | ["Generalizing the 't Hooft and Veltman method of unitary regulators, we demostrate for the first time the existence of local, covariant, physically motivated Lagrangians of quantum-electrodynamic phenomena such that: (i) Feynman diagrams are finite and equal the diagrams of QED but with regularized propagators. (ii) N... | ['2000-03-14'] |
3,838 | ['eng'] | ['Kim, K Y', 'Lee, B H', 'Yang, H S'] | ['Comments on Instantons on Noncommutative $R^{4}$'] | ['Particle Physics - Theory'] | ['instanton', 'gauge field theory, U(1)', 'gauge field theory, U(2)', 'space-time, noncommutative', 'Atiyah-Drinfeld-Hitchin-Manin equation', 'Hilbert space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003093'] | ['We study U(1) and U(2) instanton solutions on noncommutative R^4 constructed by the noncommutative version of ADHM equation proposed by Nekrasov and Schwarz. If one insists the Hilbert space of simple harmonic oscillators as the representation of a noncommutative R^4, it is pointed out that the explicit calculation o... | ['2000-03-14'] |
3,839 | ['eng'] | ['Banerjee, R', 'Ghosh, S'] | ['Canonical transformations and soldering'] | ['Particle Physics - Theory'] | ['transformation, canonical', 'soldering', 'boson, chiral', 'dimension, 2', 'duality', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003092'] | ['We show that the recently developed soldering formalism in the Lagrangian approach and canonical transformations in the Hamiltonian approach are complementary. The examples of gauged chiral bosons in two dimensions and self-dual models in three dimensions are discussed in details.'] | ['2000-03-14'] |
3,840 | ['eng'] | ['Abe, O'] | ["A New Basis Function Approach to 't Hooft Equation"] | ['Particle Physics - Theory'] | ['talk, Villefranche 2000/01/03', 'gauge field theory', 'dimension, 2', 'Tamm-Dancoff approximation, light front', 'wave function', 'bound state, mass'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003091'] | ["We present the new basis functions to investigate the 't Hooft equation, the lowest order mesonic Light-Front Tamm-Dancoff equation for $\\rm SU(N_C)$ gauge theories. We find the wave function can be well approximated by new basis functions and obtain an analytic formula for the mass of the lightest bound state. Its ... | ['2000-03-14'] |
3,841 | ['eng'] | ['Trittmann, U'] | ['Testing SDLCQ in 2 + 1 dimensions'] | ['Particle Physics - Theory'] | ['talk, Adelaide 1999/12/13', 'gauge field theory, SU(N)', 'quantization, light cone', 'discrete', 'supersymmetry', 'dimension, 3', 'bound state, wave function', 'bound state, mass', 'coupling constant, dependence', 'regularization', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003090'] | ['The SDLCQ regularization is known to explicitly preserve supersymmetry in 1+1 dimensions. To test this property in higher dimensions, we consider supersymmetric Yang-Mills theory on R x S^1 x S^1. In particular, we choose one of the compact directions to be light-like and another to be space-like. This theory is tota... | ['2000-03-14'] |
3,842 | ['eng'] | ['Colatto, L P'] | ['The Central Charge in 3D Simple Superalgebra'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'supersymmetry, algebra', 'dimension, 3', 'central charge', 'gauge field theory, U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003089'] | ['A matter self-interacting model with N=1-supersymmetry in 3D is discussed in connection with the appearance of a central charge in the algebra of the supersymmetry generators. The result is extended to include gauge fields with a Chern-Simons term. The main result is that, for a simple supersymmetry, only the matter ... | ['2000-03-14'] |
3,843 | ['eng'] | ['Silva-Neto, M B'] | ['From cool pions to the chiral phase transition'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'effective Lagrangian', 'dimensional reduction', 'low-energy theorem', 'sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 4', 'pi, decay constant', 'finite temperature', 'Heisenberg model', 'dimension, 3', 'critical phenomena, chiral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003088'] | ['Using the ideas of effective field theory and dimensional reduction, we relate the parameters of two low energy models of QCD: the O(N) nonlinear sigma model in D=3+1, which describes the dynamics of cool pions, and the O(N) Heisenberg magnet in D=3+0, which is commonly argued to reproduce the correct critical behavi... | ['2000-03-14'] |
3,844 | ['eng'] | ['Bagán, E', 'Lavelle, M J', 'McMullan, D'] | ['Electrons and Photons'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'matter', 'electron, operator', 'electromagnetic interaction', 'photon, massless', 'asymptotic behavior', 'charged particle, relativistic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003087'] | ['The particle Fock space of the matter fields in QED can be constructed using the free creation and annihilation operators. However, these particle operators are not, even at asymptotically large times, the modes of the matter fields that enter the QED Lagrangian. In this letter we construct the fields which do recove... | ['2000-03-14'] |
3,845 | ['eng'] | ['Easson, D A'] | ['The Interface of Cosmology with String and M(illenium) Theory'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'string model', 'M-theory', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003086'] | ['The purpose of this review is to discuss recent developments occurring at the interface of cosmology with string and M-theory. We begin with a short review of 1980s string cosmology and the Brandenberger-Vafa mechanism for explaining spacetime dimensionality and then introduce the Pre-Big-Bang scenario (PBB), the wor... | ['2000-03-14'] |
3,846 | ['eng'] | ['Feng, B', 'Hanany, A', 'He, Y H'] | ['D-Brane Gauge Theories from Toric Singularities and Toric Duality'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'gauge field theory', 'geometry, algebra', 'orbifold, singularity', 'potential, superpotential', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003085'] | ["Via partial resolution of Abelian orbifolds we present an algorithm for extracting a consistent set of gauge theory data for an arbitrary toric variety whose singularity a D-brane probes. As illustrative examples, we tabulate the matter content and superpotential for a D-brane living on the toric del Pezzo surfaces a... | ['2000-03-14'] |
3,847 | ['eng'] | ['Gavrilov, S P', 'Gitman, D M', 'Gonçalves, A E'] | ['Quantum Spinor Field in the FRW Universe with a Constant Electromagnetic Background'] | ['Particle Physics - Theory'] | ['space-time, Robertson-Walker', 'spinor, massive', 'electromagnetic field, background field', 'Dirac equation, solution', 'vacuum state, stability', 'particle, production', 'back reaction', 'vacuum polarization', 'two-point function', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003084'] | ['The article is a natural continuation of our paper {\\em Quantum scalar field in FRW Universe with constant electromagnetic background}, Int. J. Mod. Phys. {\\bf A12}, 4837 (1997). We generalize the latter consideration to the case of massive spinor field, which is placed in FRW Universe of special type with a consta... | ['2000-03-13'] |
3,848 | ['eng'] | ['García-Compéan, H', 'Obregón, O', 'Ramírez, C'] | ['Searching for S-duality in Gravitation'] | ['Particle Physics - Theory'] | ['talk, Leon 1999/11/28', 'gravitation', 'gauge field theory, SO(3,2)', 'dimension, 4', 'gauge field theory, SO(3,1)', 'Chern-Simons term', 'dimension, 3', 'partition function', 'duality, S-duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003083'] | ['We overview some attempts to find S-duality analogues of non-supersymmetric Yang-Mills theory, in the context of gravity theories. The case of MacDowell-Mansouri gauge theory of gravity is discussed. Three-dimensional dimensional reductions from the topological gravitational sector in four dimensions, enable to recup... | ['2000-03-13'] |
3,849 | ['eng'] | ['Brodsky, S J', 'Hwang, D S', 'Ma, B Q', 'Schmidt, I'] | ['Light-Cone Representation of the Spin and Orbital Angular Momentum of Relativistic Composite Systems'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'bound state, (2particle)', 'electron, wave function', 'light cone', 'spin, sum rule', 'angular momentum', 'tensor, energy-momentum', 'Fock space', 'graviton, coupling', 'form factor', 'radiative correction, higher-order', 'invariance, Lorentz', 'gravitation, magnetic moment', 'model, Yukawa... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003082'] | ['The matrix elements of local operators such as the electromagnetic current, the energy momentum tensor, angular momentum, and the moments of structure functions have exact representations in terms of light-cone Fock state wavefunctions of bound states such as hadrons. We illustrate all of these properties by giving e... | ['2000-03-13'] |
3,850 | ['eng'] | ['Volkov, M S', 'Wipf, A'] | ['Black hole pair creation in de Sitter space'] | ['Particle Physics - Theory'] | ['quantum gravity', 'space-time, de Sitter', 'field theory, Euclidean', 'instanton', 'tunneling', 'black hole, pair production', 'perturbation theory, higher-order', 'path integral, measure', 'fluctuation, determinant', 'scaling', 'finite temperature', 'regularization, zeta function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003081'] | ['We present an exact one-loop calculation of the tunneling process in Euclidean quantum gravity describing creation of black hole pairs in a de Sitter universe. Such processes are mediated by $S^2\\times S^2$ gravitational instantons giving an imaginary contribution to the partition function. The required energy is pr... | ['2000-03-13'] |
3,851 | ['eng'] | ['Geyer, B', 'Lazar, M'] | ['Twist decomposition of nonlocal light-cone operators; 2, General tensors of 2nd rank'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'operator, algebra', 'algebra, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003080'] | ['A group theoretical procedure, introduced earlier (hep-th/9901090), to decompose bilocal light-ray operators into (harmonic) operators of definite twist is applied to the case of arbitrary 2nd rank tensors. As a generic example the bilocal gluon operator is considered which gets contributions of twist-2 up to twist-6... | ['2000-03-13'] |
3,852 | ['eng'] | ['Turko, L', 'Rafelski, Johann'] | ['Dynamics of Multiparticle Systems with non-Abelian Symmetry'] | ['Particle Physics - Theory'] | ['many-body problem', 'symmetry, SU(2)', 'symmetry, local', 'isospin', 'density matrix', 'Boltzmann equation', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003079'] | ["We consider the dynamics governing the evolution of a many body system constrained by an nonabelian local symmetry. We obtain explicit forms of the global macroscopic condition assuring that at the microscopic level the evolution respects the overall symmetry constraint. We demonstrate the constraint mechanisms for t... | ['2000-03-13'] |
3,853 | ['eng'] | ['Derendinger, J P', 'Sauser, R'] | ['On the Effective N = 1 Supergravity of M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'effective action', 'perturbation theory, higher-order', 'spontaneous compactification, S(1)/Z(2)', 'supergravity', 'Bianchi identity', 'orbifold', 'anomaly', 'transformation, conformal', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003078'] | ['In the low-energy limit, M-theory compactified on S1/Z2 is formulated in terms of Bianchi identities with sources localized at orbifold singularities and anomaly-cancelling counterterms to the Wilson effective Lagrangian. Compactifying to four dimensions on a Calabi-Yau space leads to N=1 local supersymmetry. We deri... | ['2000-03-13'] |
3,854 | ['eng'] | ['Mizoguchi, S Y'] | ['Modular Invariant Critical Superstrings on Four-dimensional Minkowski Space $\\times$ Two-dimensional Black Hole'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'dimensional reduction', 'dimension, 6', 'algebra, conformal', 'coset space, SL(2,R)/U(1)', 'current algebra, representation', 'partition function', 'invariance, modular', 'mass spectrum', 'black hole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003053'] | ['Extending the seminal work of Bilal and Gervais, we construct a tachyon-free,modular invariant partition function for critical superstrings onfour-dimensional Minkowski x two-dimensional black hole. This model may bethought of as an SL(2,R)/U(1) version of Gepner models and corresponds to aconifold point on the modul... | ['2000-03-08'] |
3,855 | ['eng'] | ['Hawking, Stephen William', 'Hertog, T', 'Reall, H S'] | ['Brane New World'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'space-time, anti-de Sitter', 'field theory, conformal', 'domain wall', 'perturbation theory', 'field theory, action', 'correlation function', 'regularization', 'Randall-Sundrum model', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003052'] | ["We study a Randall-Sundrum cosmological scenario consisting of a domain wallin anti-de Sitter space with a strongly coupled large $N$ conformal fieldtheory living on the wall. The AdS/CFT correspondence allows a fully quantummechanical treatment of this CFT, in contrast with the usual treatment ofmatter fields in inf... | ['2000-03-08'] |
3,856 | ['eng'] | ['Ferrara, Sergio', 'Sokatchev, Emery S'] | ['Conformal primaries of $OSp(8/4,R)$ and BPS states in $AdS_{4}$'] | ['Particle Physics - Theory'] | ['algebra, OSp(8/4,R)', 'supersymmetry, algebra', 'algebra, representation', 'algebra, conformal', 'soliton, BPS', 'space-time, anti-de Sitter', 'singleton', 'coset space, harmonic', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003051'] | ['We derive short UIR\'s of the OSp(8/4,R) superalgebra of 3d N=8 superconformalfield theories by the requirement that the highest weight states areannihilated by a subset of the super-Poincare odd generators. We then find asuperfield realization of these BPS saturated UIR\'s as "composite operators" ofthe two basic ul... | ['2000-03-08'] |
3,857 | ['eng'] | ['Angelantonj, Carlo', 'Armoni, Adi'] | ['RG Flow, Wilson Loops and the Dilaton Tadpole'] | ['Particle Physics - Theory'] | ['gauge field theory', 'membrane model', 'string model', 'gravitation', 'renormalization group', 'space-time, anti-de Sitter', 'expansion 1/N', 'quark antiquark, potential', 'field theory, conformal', 'dilaton, tadpole', 'holography', 'Wilson loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003050'] | ['We discuss the role of the dilaton tadpole in the holographic description ofnon-supersymmetric gauge theories that are conformal in the planar limit. Onthe string theory side, the presence of the dilaton tadpole modifies the AdSbackground inducing a logarithmic running for the radius and the dilaton. Usingthe hologra... | ['2000-03-08'] |
3,858 | ['eng'] | ['Baker, L M', 'Fairlie, David B'] | ['Hamilton-Jacobi equations and Brane associated Lagrangians'] | ['Particle Physics - Theory'] | ['membrane model', 'Hamilton-Jacobi equation', 'Lagrangian formalism', 'field equations', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003048'] | ["This article seeks to relate a recent proposal for the association of acovariant Field Theory with a string or brane Lagrangian to the Hamilton-Jacobiformalism for strings and branes. It turns out that since in this special case,the Hamiltonian depends only upon the momenta of the Jacobi fields and not thefields them... | ['2000-03-08'] |
3,859 | ['eng'] | ['Ding, X M', 'Wang, P'] | ['W-symmetries on the Homogeneous Space $G/U(1)^{r}$'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'coset space', 'operator product expansion', 'symmetry, W(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003047'] | ['A construction of $W$-symmetries is given only in terms of the nonlocalfields (parafermions ${\\ps}_{\\al}$), which take values on the homogeneous space$G/U(1)^r$, where $G$ is a simply connected compact Lie group manifold (itsaccompanying Lie algebra ${\\cal G}$ is a simple one of rank $r$). Only certainrestriction ... | ['2000-03-08'] |
3,860 | ['eng'] | ['Cai, M', 'Galloway, G J'] | ['Boundaries of Zero Scalar Curvature in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'geometry', 'functional analysis'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003046', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['In hep-th/9910245, Witten and Yau consider the AdS/CFT correspondence in thecontext of a Riemannian Einstein manifold $M^{n+1}$ of negative Ricci curvaturewhich admits a conformal compactification with conformal boundary $N^n$. Theyprove that if the conformal class of the boundary contains a metric of positivescalar ... | ['2000-03-08'] |
3,861 | ['eng'] | ['Marotta, R', 'Pezzella, F'] | ['String-generated quartic scalar interactions'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'phi**n model, 4', 'symmetry, SU(N)', 'Feynman graph, higher-order', 'boson, string model', 'string, open', 'tachyon, scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003044'] | ['The {\\em cutting and sewing} procedure is used for getting two-loop orderFeynman diagrams of $\\Phi^{4}$-theory with an internal SU(N) symmetry group,starting from tachyon amplitudes of the open bosonic string theory. In asuitably defined field theory limit, we reproduce the field theory amplitudesproperly normalize... | ['2000-03-07'] |
3,862 | ['eng'] | ['Antonov, D V'] | ['Confining Strings in the SU(3)-Gluodynamics'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'dimension, 3', 'Wilson loop', 'string', 'dilute gas approximation', 'gauge, abelian', 'magnetic monopole', 'confinement'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003043'] | ['String representation of the Wilson loop in 3D Abelian-projectedSU(3)-gluodynamics is constructed. This is done in the approximation of adilute gas of Abelian-projected monopoles, which is a much weaker assumptionimposed on the ensemble of monopoles than the standard one, demanding theircondensation. It is demonstrat... | ['2000-03-07'] |
3,863 | ['eng'] | ['Lowe, D A'] | ['Renormalization Group Flows from Gravity in Anti-de Sitter Space versus Black Hole No-Hair Theorems'] | ['Particle Physics - Theory'] | ['gravitation', 'space-time, anti-de Sitter', 'black hole, hair', 'renormalization group', 'field theory, conformal', 'duality', 'singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003042'] | ["Black hole no-hair theorems are proven using inequalities that govern theradial dependence of spherically symmetric configurations of matter fields. Inthis paper, we analyze the analogous inequalities for geometries dual torenormalization group flows via the AdS/CFT correspondence. These inequalitiesgive much useful ... | ['2000-03-07'] |
3,864 | ['eng'] | ['Chamseddine, A H', 'Sabra, W A'] | ['Dimensional Reduction, Gauged D = 5 Supergravity and Brane Solutions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'dimensional reduction', 'dimension, 5', 'gauge field theory, U(1)', 'field equations, solution', 'membrane model', 'charge, electric', 'charge, magnetic', 'dimension, 11'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003041'] | ['The U(1) gauged version of the Strominger-Vafa five dimensional N=2supergravity with one vector multiplet is obtained via dimensional reductionfrom the N=1 ten dimensional supergavity. Using such explicit relation betweenthe gauged supergravity theory and ten dimensional supergravity, all knownsolutions of the five d... | ['2000-03-07'] |
3,865 | ['eng'] | ['Kwon, O K', 'Lee, C', 'Min, H'] | ['On mass dependences of the one-loop effective action in simple backgrounds'] | ['Particle Physics - Theory'] | ['effective action', 'background field', 'mass, expansion', 'field theory, scalar', 'gauge field theory, Yang-Mills', 'instanton', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003040'] | ['If background fields are soft on the scale set by mass of the particleinvolved, a reliable approximation to the field-theoretic one-loop effectiveaction is obtained by a systematic large mass expansion involving higher-orderSeeley-DeWitt coefficients. Moreover, if the small mass limit of the effectiveaction in a part... | ['2000-03-07'] |
3,866 | ['eng'] | ['Manjavidze, J', 'Sissakian, A N'] | ['Quantisation of Extended Objects'] | ['Particle Physics - Theory'] | ['soliton', 'quantization', 'path integral, measure', 'perturbation theory, strong coupling', 'approximation, quasiclassical', 'unitarity', 'zero mode', 'bound state, energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003039'] | ["The `strong-coupling' perturbation theory over the inverse interactionconstant $1/g$ near the nontrivial solution of Lagrange equation is formulated.The ordinary `week-coupling' perturbation theory over $g$ is described also tocompare both perturbation theories. The `strong-coupling' perturbation theoryis developed b... | ['2000-03-07'] |
3,867 | ['eng'] | ['Arutyunov, G E', 'Frolov, S'] | ['On the correspondence between gravity fields and CFT operators'] | ['Particle Physics - Theory'] | ['supergravity', 'field theory, conformal', 'n-point function, 4', 'field theory, transformation', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003038'] | ['It is shown that a nonlinear derivative-dependent transformation of gravityfields changes correlation functions in a boundary CFT, and, therefore,corresponds to a change of a basis of operators in the CFT. It is argued thatonly non-renormalized structures in correlation functions can be changed bysuch a field transfo... | ['2000-03-07'] |
3,868 | ['eng'] | ['Bachau, H', 'Douglas, M', 'Schweigert, C'] | ['Flux Stabilization of D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'group theory, geometrical', 'flux, U(1)', 'Born-Infeld model', 'approximation, quasiclassical', 'fluctuation, spectra', 'field theory, conformal', 'membrane model, stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003037'] | ["We explain how D-branes on group manifolds are stabilized against shrinkingby a quantized worldvolume U(1) fluxes. Starting from the Born-Infeld action inthe case of the SU(2) group manifold we derive the masses, multiplicities andspectrum of small fluctuations of these branes, and show that they agreeexactly with th... | ['2000-03-07'] |
3,869 | ['eng'] | ['Pesando, I'] | ['Some remarks on the free fields realization of the bosonic string on $AdS_{3}$'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'boson, string model', 'space-time, anti-de Sitter', 'dimension, 3', 'field equations, solution', 'boundary condition', 'black hole', 'algebra, Kac-Moody', 'tensor, energy-momentum', 'monodromy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003036'] | ["We discuss the classical solutions of the equations of motion and thepossible boundary condition for a bosonic string with Kalb-Ramond background inAdS3. It turns out that there exists three different physical sectors and thatit is also possible to describe the motion on an extremal black holebackground. The existenc... | ['2000-03-07'] |
3,870 | ['eng'] | ['Rasmussen, J'] | ['Comments on N = 4 Superconformal Algebras'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry, algebra', 'current algebra, affine', 'algebra, representation', 'coset space, SL(2|2)/U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003035'] | ['We present a new and asymmetric N=4 superconformal algebra for arbitrarycentral charge, thus completing our recent work on its classical analogue withvanishing central charge. Besides the Virasoro generator and 4 supercurrents,the algebra consists of an internal SL(2) \\otimes U(1) Kac-Moody algebra inaddition to two... | ['2000-03-07'] |
3,871 | ['eng'] | ['Dzhamay, A'] | ['Real-normalized Whitham hierarchies and the WDVV equations'] | ['Particle Physics - Theory'] | ['field theory, topological', 'dimension, 2', 'field theory, deformation', 'duality', 'differential equations, hierarchy', 'differential forms', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003034'] | ["In this paper we present a construction of a new class of explicit solutionsto the WDVV (or associativity) equations. Our construction is based on arelationship between the WDVV equations and Whitham (or modulation) equations.Whitham equations appear in the perturbation theory of exact algebro-geometricsolutions of s... | ['2000-03-07'] |
3,872 | ['eng'] | ['Eyras, E', 'Panda, S'] | ['The Spacetime Life of a non-BPS D-particle'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'particle, D-particle', 'field theory, action', 'phase space', 'model, oscillator', 'scattering amplitude', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003033'] | ['We investigate the classical geometry generated by a stable non-BPSD-particle. We consider the boundary state of a stable non-BPS D-particle inthe covariant formalism in the type IIB theory orbifolded by (-1)^{F_L} I_4.Projecting the boundary state on the massless states of the orbifold closedstring spectrum we obtai... | ['2000-03-07'] |
3,873 | ['eng'] | ['Sonnenschein, J'] | ['What does the string/gauge correspondence teach us about Wilson loops?'] | ['Particle Physics - Theory'] | ['lectures, Santiago de Compostela 1999/07/26', 'gauge field theory, SU(N)', 'supersymmetry', 'Wilson loop', 'finite temperature', 'supergravity', 'string model', 'soliton, BPS', 'fluctuation', 'determinant', 'confinement', 'baryon, model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003032'] | ["In these lectures we describe the attempt to extract the expectation valuesof Wilson loops from the string/gauge correspondence. We start with theoriginal calculation in $AdS_5$. It is then extended to the non-conformalbackground of $D_p$ in the near horizon limit. We discuss the computation atfinite temperature. Sup... | ['2000-03-07'] |
3,874 | ['eng'] | ['De Koch, R M', 'Jevicki, A', 'Mihailescu, M', 'Tatar, R'] | ['Lumps and P-branes in Open String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'membrane model, p-brane', 'derivative, high', 'wave function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003031'] | ["We describe numerical methods for constructing lump solutions in open stringfield theory. According to Sen, these lumps represent lower dimensionalDp-Branes and numerical evaluation of their energy can be compared with theexpected value for the tension. We take particular care of all higherderivative terms inherent i... | ['2000-03-07'] |
3,875 | ['eng'] | ['Kausch, H G'] | ['Symplectic Fermions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'fermion, symplectic', 'model, chiral', 'orbifold', 'phase space', 'boundary condition', 'n-point function', 'polymer', 'symmetry, SL(2,C)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003029'] | ["We study two-dimensional conformal field theories generated from a``symplectic fermion'' - a free two-component fermion field of spin one - andconstruct the maximal local supersymmetric conformal field theory generatedfrom it. This theory has central charge c=-2 provides the simplest example of atheory with logarithm... | ['2000-03-06'] |
3,876 | ['eng'] | ['Bandelloni, G', 'Lazzarini, S'] | ['The role of complex structures in w-symmetry'] | ['Particle Physics - Theory'] | ['algebra, W(N)', 'differential geometry, symplectic', 'differential forms', 'analytic properties', 'field theory, conformal', 'Lagrangian formalism', 'transformation, Becchi-Rouet-Stora', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003027'] | ['In a symplectic framework, the infinitesimal action of symplectomorphismstogether with suitable reparametrizations of the two dimensional complex basespace generate some type of W-algebras. It turns out that complex structuresparametrized by Beltrami differentials play an important role in this context.The constructi... | ['2000-03-06'] |
3,877 | ['eng'] | ['Penati, S', 'Santambrogio, A', 'Zanon, D'] | ['Correlation functions of chiral primary operators in perturbative N = 4 SYM'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'gauge field theory, SU(N)', 'supersymmetry', 'operator, chiral', 'correlation function', 'space-time, anti-de Sitter', 'field theory, conformal', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003026'] | ['We discuss recent results on two-point functions of chiral primary operatorsin {\\cal N}=4 SU(N) supersymmetric Yang-Mills theory. Our results give furthersupport to the belief that such correlators are not renormalized to all ordersin g and to all orders in N.'] | ['2000-03-06'] |
3,878 | ['eng'] | ['Hanany, A', 'Kol, B'] | ['On Orientifolds, Discrete Torsion, Branes and M Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'torsion, discrete', 'duality, T-duality', 'orientifold', 'cohomology', 'gauge field theory, Yang-Mills', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003025'] | ['We find some lifts to M theory of orientifold and orbifold planes includingthe O1, O3 and O5 planes of Type IIB and their transformations under SL(2,Z).The possible discrete torsion variants (or K theory classes) are explored, andare interpreted as arising from brane intersections with planes. We find newvariants of ... | ['2000-03-06'] |
3,879 | ['eng'] | ['Blumenhagen, R', 'Görlich, L', 'Körs, B', 'Lüst, Dieter'] | ['Asymmetric Orbifolds, Noncommutative Geometry and Type I String Vacua'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'orbifold, asymmetry', 'duality', 'field theory, torus', 'Kaluza-Klein model', 'string model', 'quantization, 1', 'vacuum state', 'particle, multiplet', 'boundary condition', 'geometry, noncommutative', 'gauge field theory, background field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003024'] | ['We investigate the D-brane contents of asymmetric orbifolds. Using T-dualitywe find that the consistent description of open strings in asymmetric orbifoldsrequires to turn on background gauge fields on the D-branes. Hence open stringsand D-branes in generic asymmetric orbifolds necessarily lead to noncommutativegeome... | ['2000-03-06'] |
3,880 | ['eng'] | ['Andrianopoli, Laura', 'Derix, M', 'Gibbons, G W', 'Herdeiro, C', 'Santambrogio, A', 'Van Proeyen, A'] | ['Embedding Branes in Flat Two-time Spaces'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'space-time, embedding', 'differential geometry', 'dimension, >4', 'dimensional reduction', 'membrane model, p-brane', 'space-time, anti-de Sitter', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003023'] | ['We show how non-near horizon, non-dilatonic $p$-brane theories can beobtained from two embedding constraints in a flat higher dimensional space with2 time directions. In particular this includes the construction of D3 branesfrom a flat 12-dimensional action, and M2 and M5 branes from 13 dimensions. Theworldvolume act... | ['2000-03-06'] |
3,881 | ['eng'] | ['Frau, M', 'Gallot, Laurent', 'Lerda, A', 'Strigazzi, P'] | ['Stable non-BPS D-branes of type I'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'string model', 'supersymmetry', 'phase space, boundary condition', 'string, closed', 'membrane model, D-brane', 'membrane model, p-brane', 'stability', 'scattering amplitude', 'duality', 'dimension, 10', 'orbifold'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003022'] | ['We review the boundary state description of the non-BPS D-branes in the typeI string theory and show that the only stable configurations are the D-particleand the D-instanton. We also compute the gauge and gravitational interactionsof the non-BPS D-particles and compare them with the interactions of the dualnon-BPS p... | ['2000-03-06'] |
3,882 | ['eng'] | ['Bagán, E', 'Lavelle, M J', 'McMullan, D'] | ['Charged Matter'] | ['Particle Physics - Theory'] | ['talk, Dubna 1999/09/21', 'gauge field theory', 'charged particle', 'ground state', 'renormalization', 'S-matrix', 'infrared problem', 'quantum electrodynamics, scalar', 'electron, pair production'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003021'] | ["Descriptions of the ground state in unbroken gauge theories with chargedparticles are discussed. In particular it is shown that the on-shell Green'sfunctions and S-matrix elements corresponding to the scattering of thesevariables in QED are free of soft and phase infra red divergences and thatthese variables may be m... | ['2000-03-06'] |
3,883 | ['eng'] | ['García-Compéan, H', 'Loaiza-Brito, O'] | ['Lectures on Strings, D-branes and Gauge Theories'] | ['Particle Physics - Theory'] | ['lectures, Leon 1999/11/28', 'membrane model, D-brane', 'string model', 'supersymmetry', 'gauge field theory, Yang-Mills', 'quantization, 1', 'Hamiltonian formalism', 'spontaneous compactification, torus', 'duality', 'K-theory', 'field theory, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003019'] | ['In these lectures we review the basic ideas of perturbative andnon-perturbative string theory. On the non-perturbative side we give anintroduction to D-branes and string duality. The elementary concepts of non-BPSbranes and noncommutative gauge theories are also discussed.'] | ['2000-03-03'] |
3,884 | ['eng'] | ['Manvelian, R P', 'Petkou, Anastasios C'] | ['A note on R-currents and trace anomalies in the (2,0) tensor multiplet in d=6 and AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'current, conservation law', 'two-point function', 'n-point function, 3', 'Ward identity', 'anomaly, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003017'] | ['We discuss the two- and three-point functions of the SO(5) R-current of the(2,0) tensor multiplet in d=6, using AdS/CFT correspondence as well as a freefield realization. The results obtained via AdS/CFT correspondence coincidewith the ones from a free field calculation up to an overall 4N^3 factor. Thisis the same f... | ['2000-03-03'] |
3,885 | ['eng'] | ['Hawking, Stephen William', 'Hertog, T', 'Turok, Neil G'] | ['Gravitational Waves in Open de Sitter Space'] | ['Particle Physics - Theory'] | ['gravitational radiation, spectra', 'space-time, de Sitter', 'instanton', 'symmetry, O(5)', 'two-point function', 'fluctuation, tensor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003016'] | ['We compute the spectrum of primordial gravitational wave perturbations inopen de Sitter spacetime. The background spacetime is taken to be thecontinuation of an O(5) symmetric instanton saddle point of the Euclidean noboundary path integral. The two-point tensor fluctuations are computed directlyfrom the Euclidean pa... | ['2000-03-03'] |
3,886 | ['eng'] | ['Speight, J M'] | ['A quantum Peierls-Nabarro barrier'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation, nonlinear', 'field equations, kink', 'potential, confinement', 'approximation, weak coupling', 'inverse scattering method', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003015'] | ["Kink dynamics in spatially discrete nonlinear Klein-Gordon systems isconsidered. For special choices of the substrate potential, such systemssupport continuous translation orbits of static kinks with no (classical)Peierls-Nabarro barrier. It is shown that these kinks experience, nevertheless,a lattice-periodic confin... | ['2000-03-03'] |
3,887 | ['eng'] | ['Camblong, H E', 'Epele, L N', 'Fanchiotti, H', 'Canal-Garcia, C A'] | ['Renormalization of the Inverse Square Potential'] | ['Particle Physics - Theory'] | ['quantum mechanics, any-dimensional', 'potential', 'renormalization', 'Schroedinger equation', 'scaling, violation', 'bound state', 'regularization', 'transmutation, dimensional', 'strong coupling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003014'] | ['The quantum-mechanical D-dimensional inverse square potential is analyzedusing field-theoretic renormalization techniques. A complete solution ispresented for both the bound-state and scattering sectors of the theory usingcutoff and dimensional regularization. In the renormalized version of thetheory, there is a stro... | ['2000-03-03'] |
3,888 | ['eng'] | ['Inami, T', 'Saitô, Y', 'Yamamoto, M'] | ['Vanishing Next-to-leading Corrections to the $\\beta$-function of the SUSY $CP^{N-1}$ Model in Three Dimensions'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'field theoretical model, CP(N-1)', 'supersymmetry', 'dimension, 3', 'expansion 1/N', 'renormalization group, beta function', 'perturbation theory, higher-order', 'field theory, Euclidean', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003013'] | ['We study the ultraviolet property of the supersymmetric CP^{N-1} sigma modelin three dimensions to next-to-leading order in the 1/N expansion. We calculatethe \\beta-function to this order and verify that it has no next-to-leadingorder corrections.'] | ['2000-03-03'] |
3,889 | ['eng'] | ['Ho, P M'] | ['Twisted Bundle on Noncommutative Space and U(1) Instanton'] | ['Particle Physics - Theory'] | ['talk, Seoul 2000/02/21', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'operator, algebra', 'Hilbert space', 'fibre bundle', 'instanton, U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003012'] | ['We study the notion of twisted bundles on noncommutative space. Due to theexistence of projective operators in the algebra of functions on thenoncommutative space, there are twisted bundles with non-constant dimension.The U(1) instanton solution of Nekrasov and Schwarz is such an example. As amathematical motivation ... | ['2000-03-03'] |
3,890 | ['eng'] | ['Deser, Stanley D', 'Pascalutsa, V', 'Waldron, A K'] | ['Massive Spin 3/2 Electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion', 'spin, 3/2', 'Rarita-Schwinger equation', 'perturbation theory, higher-order', 'quantization', 'causality', 'Compton scattering'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003011'] | ["We study the general non-minimally coupled charged massive spin 3/2 modelboth for its low energy phenomenological properties and for its unitarity,causality and degrees of freedom behaviour. When the model is viewed as aneffective theory, its parameters (after ensuring the correct excitation count)are related to phys... | ['2000-03-03'] |
3,891 | ['eng'] | ['Loran, F', 'Shirzad, A'] | ['Classification of constraints using chain by chain method'] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'field equations', 'operator, algebra', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003010'] | ['Using our "chain by chain" method for constructing the constraint structureof a system possessing both first and second class constraints, we show thatthe whole constraints can be classified into completely first or second classconstraint chains. We found appropriate redefinition of second classconstraints so that to... | ['2000-03-02'] |
3,892 | ['eng'] | ['Flachi, A', 'Toms, David J'] | ['Measurability of the non-minimal coupling'] | ['Particle Physics - Theory'] | ['gravitation, correction', 'effective Lagrangian', 'coupling constant, scalar', 'elastic scattering, fermion scalar particle', 'scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003008'] | ['The "measurability" of the non-minimal coupling is discussed in the contextof the effective field theory of gravity. Although there is no obvious motivefor excluding a non-minimal scalar coupling from the theory, we conclude thatfor reasonable values of the coupling constant it makes only a very smallcorrection.'] | ['2000-03-02'] |
3,893 | ['eng'] | ['Chu, C S'] | ['Induced Chern-Simons and WZW action in Non-commutative Spacetime'] | ['Particle Physics - Theory'] | ['fermion', 'gauge field theory, U(1)', 'gauge field theory, induced', 'perturbation theory, higher-order', 'Chern-Simons term', 'dimension, 3', 'differential geometry, noncommutative', 'Wess-Zumino-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003007'] | ['We consider noncommutative gauge theory with Dirac or Majorana fermions inodd dimensional spacetime and compute the induced noncommutative Chern-Simonsaction generated at 1-loop. We observe that the induced Chern-Simons term fromDirac fermion has a smooth limit when theta --->0, but there is a finite jumpfor the Cher... | ['2000-03-02'] |
3,894 | ['eng'] | ['Connes, Alain'] | ['A Short Survey of Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['review', 'differential geometry, noncommutative', 'algebra, von Neumann', 'topology', 'cohomology', 'fibre bundle', 'differential forms', 'index theorem', 'invariance, diffeomorphism', 'algebra, Hopf', 'renormalization', 'gauge field theory, Yang-Mills', 'string model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003006'] | ['We give a survey of selected topics in noncommutative geometry, with someemphasis on those directly related to physics, including our recent work withDirk Kreimer on renormalization and the Riemann-Hilbert problem. We discuss atlength two issues. The first is the relevance of the paradigm of geometricspace, based on ... | ['2000-03-02'] |
3,895 | ['eng'] | ["'t Hooft, Gerardus"] | ['Determinism and Dissipation in Quantum Gravity'] | ['Particle Physics - Theory'] | ['talk, Erice 1999/08/29', 'quantum gravity', 'phase space', 'Hamiltonian formalism', 'quantization, 1', 'quantization, 2', 'neutrino', 'oscillator', 'dissipation', 'information theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003005'] | ['Without invalidating quantum mechanics as a principle underlying the dynamicsof a fundamental theory, it is possible to ask for even more basic dynamicallaws that may yield quantum mechanics as the machinery needed for itsstatistical analysis. In conventional systems such as the Standard model forquarks and leptons, ... | ['2000-03-02'] |
3,896 | ['eng'] | ["'t Hooft, Gerardus"] | ['The Holographic Principle'] | ['Particle Physics - Theory'] | ['talk, Erice 1999/08/29', 'particle physics, history', 'gauge field theory, SU(3) x SU(2) x U(1)', 'fermion', 'Higgs model', 'black hole', 'radiation, Hawking', 'quantum gravity, phase space', 'S-matrix', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003004'] | ['Opening Lecture, presented at the Erice Summer School on ``Basics andHighlights in Fundamental Physics", August, 1999. After a pedagigical overviewof the present status of High-Energy Physics, some problems concerning physicsat the Planck scale are formulated, and an introduction is given to a notionthat became known... | ['2000-03-02'] |
3,897 | ['eng'] | ['Lechner, K'] | ['A Quantum field theory of dyons'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'dyon', 'gauge field theory, classical', 'quantization, path integral', 'string, Dirac', 'correlation function', 'duality, SO(2)', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003003'] | ['We construct a classical field theory action which upon quantization via thefunctional integral approach, gives rise to a consistent Dirac-stringindependent quantum field theory. The approach entails a systematic derivationof the correlators of all gauge invariant observables, and also of chargeddyonic fields. Manife... | ['2000-03-02'] |
3,898 | ['eng'] | ['Gómez, C', 'Jenssen, B W', 'Silva, P J'] | ['Brane World with Bulk Horizons'] | ['Particle Physics - Theory'] | ['membrane model', 'black hole, horizon', 'black hole, mass', 'astrophysics, fundamental constant', 'gravitation, perturbation', 'Randall-Sundrum model', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003002'] | ['A brane world in the presence of a bulk black hole is constructed. The branetension is fine tuned in terms of the black hole mass and cosmologicalconstant. Gravitational perturbations localized on the brane world arediscussed.'] | ['2000-03-02'] |
3,899 | ['eng'] | ['Sadjadi, H M', 'Alimohammadi, M'] | ['Confinement and screening of the Schwinger model on the Poincaré half plane'] | ['Particle Physics - Theory'] | ['Schwinger model', 'field theory, massless', 'field theory, massive', 'bosonization', 'confinement', 'screening', 'effective action', 'Wilson loop', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0003001'] | ['We discuss the confining features of the Schwinger model on the Poincare halfplane. We show that despite the fact that the expectation value of the largeWilson loop of massless Schwinger model displays the perimeter behavior, thesystem can be in confining phase due to the singularity of the metric athorizontal axis. ... | ['2000-03-02'] |
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