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 |
|---|---|---|---|---|---|---|---|---|
5,700 | ['eng'] | ['Chepelev, I', 'Roiban, R'] | ['A note on correlation functions in $AdS_{5}/SYM_{4}$ correspondence on the Coulomb branch'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'two-point function', 'field theory, anti-de Sitter', 'supergravity', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906224'] | ['We compute certain two-point functions in ${\\cal N}=4$, D=4 SU(N) SYM theory on the Coulomb branch using SUGRA/SYM duality and find infinite set of first order poles at masses of the order of $({\\rm Higgs~scale})/(g_{YM} \\sqrt{N})$.'] | ['1999-06-30'] |
5,701 | ['eng'] | ['Bars, Itzhak', 'Deliduman, C', 'Minic, D'] | ['Strings, Branes and Two-Time Physics'] | ['Particle Physics - Theory'] | ['symmetry, SO(N,2)', 'time, model', 'string model', 'string tension, 0', 'membrane model', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906223'] | ['We generalize the ideas and formalism of Two-Time Physics from particle dynamics to some specific examples of string and p-brane (p >= 1) dynamics. The two-time string or p-brane action can be gauge fixed to produce various one-time string or p-brane actions that are dual to each other under gauge transformations. We... | ['1999-06-29'] |
5,702 | ['eng'] | ['Kakushadze, Z'] | ['A Remark on Brane Stabilization in Brane World'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'gauge field theory, SU(4)', 'supersymmetry, symmetry breaking', 'stability', 'orbifold', 'potential, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906222'] | ['In this note we discuss dynamical mechanisms for brane stabilization in the brane world context. In particular, we consider supersymmetry preserving brane stabilization, and also brane stabilization accompanied by supersymmetry breaking. These mechanisms are realized in some four dimensional N=1 supersymmetric orient... | ['1999-06-29'] |
5,703 | ['eng'] | ['Cvetic, M', 'Lü, H', 'Pope, C N'] | ['Gauged Six-dimensional Supergravity from Massive Type IIA'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supergravity, massive', 'dimension, 6', 'Kaluza-Klein model', 'dimension, 10', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906221'] | ['We obtain the complete non-linear Kaluza-Klein ansatz for the reduction of the bosonic sector of massive type IIA supergravity to the Romans F(4) gauged supergravity in six dimensions. The latter arises as a consistent warped S^4 reduction.'] | ['1999-06-29'] |
5,704 | ['eng'] | ['Klebanov, Igor R'] | ['Tachyon Stabilization in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'string model', 'duality', 'tachyon', 'membrane model', 'stability', 'Feynman graph, planar', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906220'] | ['We consider duality between type 0B string theory on $AdS_5\\times S^5$ and the planar CFT on $N$ electric D3-branes coincident with $N$ magnetic D3-branes. It has been argued that this theory is stable up to a critical value of the `t Hooft coupling but is unstable beyond that point. We suggest that from the gauge t... | ['1999-06-29'] |
5,705 | ['eng'] | ['Dorey, P', 'Tateo, R'] | ['On the relation between Stokes multipliers and the T-Q systems of conformal field theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'operator', 'integrability', 'Schroedinger equation', 'quantum mechanics', 'parity', 'time reversal', 'oscillation', 'fusion', 'monodromy', 'determinant', 'duality', 'potential, singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906219'] | ['The vacuum expectation values of the so-called Q-operators of certain integrable quantum field theories have recently been identified with spectral determinants of particular Schrodinger operators. In this paper we extend the correspondence to the T-operators, finding that their vacuum expectation values also have an... | ['1999-06-29'] |
5,706 | ['eng'] | ['De Vega, H J', 'Larsen, A L', 'Sánchez, N'] | ['Non-Singular String-Cosmologies From Exact Conformal Field Theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'coset space, SO(2,1)/SO(1,1)', 'dimension, 3', 'coset space, SO(2,2)/SO(2,1)', 'astrophysics, model', 'oscillation', 'approximation, quasiclassical', 'inflationary universe', 'field equations, solution', 'fluctuation', 'string model', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906218'] | ['Non-singular two and three dimensional string cosmologies are constructed using the exact conformal field theories corresponding to SO(2,1)/SO(1,1) and SO(2,2)/SO(2,1). All semi-classical curvature singularities are canceled in the exact theories for both of these cosets, but some new quantum curvature singu- laritie... | ['1999-06-29'] |
5,707 | ['eng'] | ['Metsaev, R R'] | ['Light cone form of field dynamics in Anti-de Sitter spacetime and AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'group theory', 'operator, differential', 'light cone', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906217'] | ['Light cone form of field dynamics in anti-de Sitter spacetime is developed. Using field theoretic and group theoretic approaches the light cone representation for generators of anti-de Sitter algebra acting as differential operators on bulk fields is found. We also present light cone reformulation of the boundary con... | ['1999-06-29'] |
5,708 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Running Gauge Coupling and Quark-Antiquark Potential in Non-SUSY Gauge Theory at Finite Temperature from IIB SG/CFT correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory', 'finite temperature', 'coupling, gauge', 'quark antiquark, potential', 'dilaton', 'space-time, anti-de Sitter', 'supergravity', 'black hole', 'field theory, conformal', 'confinement', 'thermodynamics', 'gravitation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906216'] | ['We discuss the non-constant dilaton deformed ${\\rm AdS}_5\\times{\\rm S}_5$ solutions of IIB supergravity where AdS sector is described by black hole. The investigation of running gauge coupling (exponent of dilaton) of non-SUSY gauge theory at finite temperature is presented for different regimes (high or low $T$, ... | ['1999-06-29'] |
5,709 | ['eng'] | ['Teschner, J'] | ['Operator product expansion and factorization in the $H_{3}^{+}$-WZNW model'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'n-point function, factorization', 'operator product expansion', 'current algebra', 'string model', 'space-time, anti-de Sitter', 'field theory, conformal', 'quantization', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906215'] | ['Precise descriptions are given for the operator product expansion of generic primary fields as well as the factorization of four point functions as sum over intermediate states. The conjecture underlying the recent derivation of the space-time current algebra for string theory on $ADS_3$ by Kutasov and Seiberg is the... | ['1999-06-29'] |
5,710 | ['eng'] | ['Di Vecchia, P', 'Frau, M', 'Lerda, A', 'Liccardo, A'] | ['(F,Dp) bound states from the boundary state'] | ['Particle Physics - Theory'] | ['bound state', 'string model', 'membrane model', 'Born-Infeld model', 'supergravity', 'gauge field theory, external field', 'Wess-Zumino term', 'dyon', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906214'] | ['We use the boundary state formalism to provide the full conformal description of (F,Dp) bound states. These are BPS configurations that arise from a superposition of a fundamental string and a Dp brane, and are charged under both the NS-NS antisymmetric tensor and the (p+1)-form R-R potential. We construct the bounda... | ['1999-06-29'] |
5,711 | ['eng'] | ['Barnes, K J'] | ['Avoiding the theorem of Lerche and Shore'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'sigma model, nonlinear', 'string model', 'membrane model', 'charge, algebra', 'field theory, Kaehler', 'coset space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906212'] | ['Supersymmetric $\\sigma$-models obtained by constraining linear supersymmetric field theories are ill defined. Well defined subsectors parametrising Kahler manifolds exist but are not believed to arise directly from constrained linear ones. A counterexample is offered using improved understanding of membranes in supe... | ['1999-06-29'] |
5,712 | ['eng'] | ['Erickson, J', 'Semenoff, Gordon W', 'Zarembo, K'] | ['BPS vs. Non-BPS Wilson Loops in N=4 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, conformal', 'field theory, anti-de Sitter', 'supergravity', 'soliton, BPS', 'Wilson loop', 'correlation function', 'perturbation theory, higher-order', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906211'] | ["Correlators of Wilson loop operators with Tr(F_{\\mu\\nu}^2+...) are computed in N=4 super-Yang-Mills theory using the AdS/CFT correspondence. The result are compared with the leading order perturbative computations. It is found that, for circular Wilson loops, these correlators have identical functional forms in the... | ['1999-06-29'] |
5,713 | ['eng'] | ['Seki, S'] | ['Baryon Configurations in the UV and IR Regions of Type 0 String Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'string model', 'field theory, conformal', 'field theory, anti-de Sitter', 'duality', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906210'] | ['The Type 0 string theory is considered as a dual model of a non-supersymmetric gauge theory. A background geometry with N electric D3-branes is calculated in UV/IR regions. In this paper, we study a D5-brane around N D3-branes from the D5-brane world volume action as in the Type IIB case, and we obtain some baryon co... | ['1999-06-29'] |
5,714 | ['eng'] | ['Polonyi, J'] | ['The deconfinement phase transition as an Aharonov-Bohm effect'] | ['Particle Physics - Theory'] | ['talk, Trento 1999/03/01', 'critical phenomena, confinement', 'Aharonov-Bohm effect', 'density matrix', 'symmetry, spontaneously broken', 'quantum chromodynamics', 'triality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906208'] | ['A subjective and incomplete list of interesting and unique features of the deconfinement phase transition is presented. Furthermore a formal similarity of the density matrix of the Aharonov-Bohm system and QCD is mentioned, as well.'] | ['1999-06-29'] |
5,715 | ['eng'] | ['Ohta, Y'] | ['Picard-Fuchs Equations and Whitham Hierarchy in N=2 Supersymmetric SU(r+1) Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'Picard-Fuchs equation', 'time, Whitham', 'Seiberg-Witten model', 'soliton', 'Riemann surfaces', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906207'] | ['In general, Whitham dynamics involves infinitely many parameters called Whitham times, but in the context of N=2 supersymmetric Yang-Mills theory it can be regarded as a finite system by restricting the number of Whitham times appropriately. For example, in the case of SU($r+1$) gauge theory without hypermultiplets, ... | ['1999-06-29'] |
5,716 | ['eng'] | ['Kiritsis, Elias B'] | ['Supergravity, D-brane Probes and thermal super Yang-Mills'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'membrane model, D-brane', 'finite temperature', 'gauge field theory, Yang-Mills', 'potential', 'supergravity', 'perturbation theory, higher-order', 'Higgs model', 'coupling', 'astrophysics, fundamental constant', 'photon, velocity', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906206'] | ['A D3-brane probe in the context of AdS/CFT correspondence at finite temperature is considered. The supergravity predictions for the physical effective couplings of the world-volume gauge theory of the probe brane are compared to those calculated in one-loop perturbation theory in the thermal gauge theory. It is argue... | ['1999-06-29'] |
5,717 | ['eng'] | ['Liguori, A', 'Mintchev, M', 'Pilo, L'] | ['Bosonization at Finite Temperature and Anyon Condensation'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'boson, chiral', 'dimension, 2', 'finite temperature', 'density, finite', 'potential, chemical', 'anyon, condensation', 'quantization', 'Hamiltonian formalism', 'operator, algebra', 'Thirring model, massless', 'bosonization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906205'] | ['An operator formalism for bosonization at finite temperature and density is developed. We treat the general case of anyon statistics. The exact $n$-point correlation functions, satisfying the Kubo-Martin-Schwinger condition, are explicitly constructed. The invariance under both vector and chiral transformations allow... | ['1999-06-29'] |
5,718 | ['eng'] | ['Kehagias, A A'] | ['Exponential and power-law hierarchies from supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'mass, hierarchy', 'any-dimensional', 'gauge field theory', 'domain wall', 'fixed point', 'space-time, anti-de Sitter', 'potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906204'] | ['We examine how a d-dimensional mass hierarchy can be generated from a d+1-dimensional set up. We consider a d+1--dimensional scalar, the hierarchon, which has a potential as in gauged supergravities. We find that when it is in its minimum, there exist solutions of Horava-Witten topology R^d X S^1/Z^2 with domain wall... | ['1999-06-28'] |
5,719 | ['eng'] | ['Cherkis, S A'] | ['Supergravity Solution for M5-brane Intersection'] | ['Particle Physics - Theory'] | ['membrane model', 'supergravity', 'duality', 'M-theory', 'quaternion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906203'] | ['Supergravity solution describing two intersecting M5-branes is presented. The branes are fixed in the relative transverse directions and are delocalized along the overall transverse ones. The intersection can be smoothed, so that the M5-branes present one holomorphic cycle. We also obtain a solution corresponding to ... | ['1999-06-28'] |
5,720 | ['eng'] | ['Carrington, M E', 'Kobes, R L', 'Kunstatter, G'] | ['A New Formulation of a 1+1 Dimensional Field Theory Constrained to a Box'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'quantization', 'Hamiltonian formalism', 'propagator', 'finite temperature', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906202'] | ['We consider a 1+1 dimensional field theory constrained to a finite box of length L. Traditionally, calculations in a box are done by replacing the integrals over the spatial momenta by discrete sums and then evaluating sums and doing analytic continuations. We show that it is also possible to do such calculations usi... | ['1999-06-28'] |
5,721 | ['eng'] | ['Brandhuber, A', 'Sfetsos, K'] | ['Wilson loops from multicentre and rotating branes, mass gaps and phase structure in gauge theories'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'gauge field theory, SU(N)', 'supersymmetry', 'Wilson loop', 'quark antiquark, potential', 'approximation, strong coupling', 'mass spectrum', 'field equations, solution', 'finite temperature',... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906201', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['Within the AdS/CFT correspondence we use multicentre D3-brane metrics to investigate Wilson loops and compute the associated heavy quark-antiquark potentials for the strongly coupled SU(N) super-Yang-Mills gauge theory, when the gauge symmetry is broken by the expectation values of the scalar fields. For the case of ... | ['1999-06-28'] |
5,722 | ['eng'] | ['Brunner, Ilka', 'Douglas, M R', 'Lawrence, A', 'Römelsberger, C'] | ['D-branes on the Quintic'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, Calabi-Yau', 'geometry, algebra', 'fibre bundle', 'string model', 'mathematical methods', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906200'] | ['We study D-branes on the quintic CY by combining results from several directions: general results on holomorphic curves and vector bundles, stringy geometry and mirror symmetry, and the boundary states in Gepner models recently constructed by Recknagel and Schomerus, to begin sketching a picture of D-branes in the st... | ['1999-06-28'] |
5,723 | ['eng'] | ['Cho, Y M'] | ['Magnetic Confinement in QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'monopole, condensation', 'mass', 'confinement, magnetic', 'effective Lagrangian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906198'] | ['We prove the monopole condensation in QCD by demonstrating that the monopole potential acquires a mass through the quantum correction, which could induce the dual Meissner effect and guarantee the confinement of color in the non-Abelian guage theory. The proof is made by separating the topological degrees which descr... | ['1999-06-28'] |
5,724 | ['eng'] | ['Oh, P'] | ['Gauged Nonlinear Sigma Model and Boundary Diffeomorphism Algebra'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory', 'Chern-Simons term', 'boundary condition', 'invariance, diffeomorphism', 'differential forms, symplectic', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906197'] | ["We consider Chern-Simons gauged nonlinear sigma model with boundary which has a manifest bulk diffeomorphism invariance. We find that the Gauss's law can be solved explicitly when the nonlinear sigma model is defined on the Hermitian symmetric space, and the original bulk theory completely reduces to a boundary nonli... | ['1999-06-28'] |
5,725 | ['eng'] | ['Kim, J Y'] | ['Absorption of dilaton s-wave in type 0B string theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, de Sitter', 'space, S(5)', 'effective action', 'field equations, solution', 'tachyon', 'dilaton', 'approximation, quasiclassical', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906196'] | ['We find the absorption probability of dilaton field in type 0B string theory. Since the background solutions are of the form $AdS_5 \\times S^5$ on both regions, we use the semiclassical formalism adopted in type IIB theory to find the absorption cross section. The background tachyon field solution was used as a refe... | ['1999-06-28'] |
5,726 | ['eng'] | ['Claus, P', 'Kallosh, R', 'Rahmfeld, J'] | ['BRST Quantization of a Particle in $AdS_{5}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'particle, relativistic', 'particle, massive', 'quantization', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'energy levels', 'phase space', 'supersymmetry, SU(2,2|4)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906195'] | ["We perform the quantization of a massive particle propagating on AdS_5. We use the twistor formulation in which the action can be brought into a quadratic form. We construct the BRST operator which commutes with AdS_5 isometries forming SU(2,2). The condition of a consistent BRST quantization requires that the AdS en... | ['1999-06-28'] |
5,727 | ['eng'] | ['Freedman, Daniel Z', 'Gubser, S S', 'Pilch, K', 'Warner, N P'] | ['Continuous distributions of D3-branes and gauged supergravity'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'coupling, Coulomb', 'supergravity', 'dimension, 5', 'dimension, 10', 'mass, gap', 'quark, external', 'string model', 'membrane model, D-brane', 'two-point function', 'Wilson loop', 'screening', 'dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906194'] | ['States on the Coulomb branch of N=4 super-Yang-Mills theory are studied from the point of view of gauged supergravity in five dimensions. These supersymmetric solutions provide examples of consistent truncation from type IIB supergravity in ten dimensions. A mass gap for states created by local operators and perfect ... | ['1999-06-25'] |
5,728 | ['eng'] | ['Chan, G', "D'Hoker, E"] | ['Instanton Recursion Relations for the Effective Prepotential in N=2 Super Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'fermion, flavor', 'instanton', 'effective potential', 'renormalization group', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906193'] | ['Linear recursion relations for the instanton corrections to the effective prepotential of N=2 supersymmetric gauge theories with an arbitrary number of hypermultiplets in the fundamental representation of an arbitrary classical gauge group are derived. The construction proceeds from the Seiberg-Witten solutions and t... | ['1999-06-25'] |
5,729 | ['eng'] | ['Chu, C S', 'Ho, P M'] | ['Constrained Quantization of Open String in Background B Field and Noncommutative D-brane'] | ['Particle Physics - Theory'] | ['string model, open', 'quantization, constraint', 'Hamiltonian formalism', 'field theory, tensor', 'membrane model, D-brane', 'background field', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906192'] | ["In a previous paper we provided a consistent quantization of open strings ending on D-branes with a background $B$ field. In this letter, we show that the same result can also be obtained using the more traditional method of Dirac's constrained quantization. We also extend the discussion to the fermionic sector."] | ['1999-06-25'] |
5,730 | ['eng'] | ['Bañados, M', 'Ritz, A'] | ['A Note on Classical String Dynamics on $AdS_{3}$'] | ['Particle Physics - Theory'] | ['string model', 'space-time, anti-de Sitter', 'dimension, 3', 'boson, string', 'operator, vertex', 'Wess-Zumino-Witten model, SL(2,C)/SU(2)', 'diffeomorphism', 'gauge fixing', 'field theory, Liouville', 'black hole', 'symmetry, conformal', 'charge, Noether', 'graviton', 'algebra, Virasoro'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906191'] | ["We consider bosonic strings propagating on Euclidean adS_3, and study in particular the realization of various worldsheet symmetries. We give a proper definition for the Brown-Henneaux asymptotic target space symmetry, when acting on the string action, and derive the Giveon-Kutasov-Seiberg worldsheet contour integral... | ['1999-06-25'] |
5,731 | ['eng'] | ['Minasian, R', 'Tsimpis, D'] | ['M5-branes, Special Lagrangian Submanifolds and $\\sigma$-models'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'differential forms', 'Kaluza-Klein model', 'supersymmetry', 'fermion, zero mode', 'sigma model, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906190', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We study M-theory fivebranes wrapped on Special Lagrangian submanifolds ($\\S_n$) in Calabi-Yau three- and fourfolds. When the M5 wraps a four-cycle, the resulting theory is a two-dimensional domain wall embedded in three-dimensional bulk with four supercharges. The theory on the wall is specified in terms of the geo... | ['1999-06-25'] |
5,732 | ['eng'] | ['Marrero, P J', 'Roura, E A', 'Lee, D'] | ['A non-perturbative analysis of symmetry breaking in two-dimensional $\\phi^{4}$ theory using periodic field methods'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 2', 'nonperturbative', 'symmetry breaking', 'Hamiltonian formalism', 'partition function', 'critical phenomena', 'lattice field theory', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906189'] | ['We describe the generalization of spherical field theory to other modal expansion methods. The main approach remains the same, to reduce a d-dimensional field theory into a set of coupled one-dimensional systems. The method we discuss here uses an expansion with respect to periodic-box modes. We apply the method to p... | ['1999-06-25'] |
5,733 | ['eng'] | ['Bianchi, M', 'Kovács, S J', 'Rossi, G', 'Stanev, Ya S'] | ['On the logarithmic behaviour in N=4 SYM theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'field theory, conformal', 'field theory, anti-de Sitter', 'anomaly', 'operator product expansion', 'group theory, representation', 'perturbation theory, higher-order', 'instanton, effect'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906188', 'http://arXiv.org/abs/hep-th/?9906188'] | ['We show that the logarithmic behaviour seen in perturbative and non perturbative contributions to Green functions of gauge-invariant composite operators in N=4 SYM with SU(N) gauge group can be consistently interpreted in terms of anomalous dimensions of unprotected operators in long multiplets of the superconformal ... | ['1999-06-25'] |
5,734 | ['eng'] | ['Cruz, J', 'Fabbri, A', 'Navarro, D J', 'Navarro-Salas, J'] | ['Integrable models and degenerate horizons in two-dimensional gravity'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 2', 'integrability', 'field theory, Liouville', 'gauge, conformal', 'black hole, horizon', 'ground state', 'space-time, de Sitter', 'space-time, Schwarzschild', 'radiation, Hawking', 'quasiclassical', 'space-time, anti-de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906187'] | ["We analyse an integrable model of two-dimensional gravity which can be reduced to a pair of Liouville fields in conformal gauge. Its general solution represents a pair of ``mirror'' black holes with the same temperature. The ground state is a degenerate constant dilaton configuration similar to the Nariai solution of... | ['1999-06-25'] |
5,735 | ['eng'] | ['Bajnok, Z'] | ['A new approach to the correlation functions of W-algebras'] | ['Particle Physics - Theory'] | ['talk, Budapest 1996/08/13', 'algebra, W(N)', 'correlation function', 'Ward identity', 'algebra, representation', 'field theory, Toda', 'algebra, Virasoro'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906185'] | ["We propose a new approach to the study of the correlation functions of W-algebras. The conformal blocks (chiral correlation functions), for fixed arguments, are defined to be those linear functionals on the product of the highest weight (h.w.) representation spaces which satisfy the Ward identities. First we investig... | ['1999-06-25'] |
5,736 | ['eng'] | ['Cronström, C'] | ['Canonical structure and boundary conditions in Yang-Mills theory'] | ['Particle Physics - Theory'] | ['talk, Tampere 1999/07/15', 'gauge field theory, Yang-Mills', 'Hamiltonian formalism', 'Gauss law', 'field equations', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906184'] | ["The canonical structure of pure Yang-Mills theory is analysed in the case when Gauss' law is satisfied identically by construction. It is shown that the theory has a canonical structure in this case, provided one uses a special gauge condition, which is a natural generalisation of the Coulomb gauge condition of elect... | ['1999-06-25'] |
5,737 | ['eng'] | ['Geyer, B', 'Lavrov, P M', 'Moshin, P Y'] | ['On gauge fixing in the Lagrangian formalism of superfield BRST quantization'] | ['Particle Physics - Theory'] | ['quantization, Becchi-Rouet-Stora', 'quantization, Batalin-Vilkovisky', 'supersymmetry, superfield', 'path integral, measure', 'S-matrix', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906183'] | ['We propose a modification of the gauge-fixing procedure in the Lagrangian method of superfield BRST quantization for general gauge theories which simultaneously provides a natural generalization of the well-known BV quantization scheme as far as gauge-fixing is concerned. A superfield form of BRST symmetry for the va... | ['1999-06-25'] |
5,738 | ['eng'] | ['Verlinde, Herman L'] | ['Holography and Compactification'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, conformal', 'field theory, anti-de Sitter', 'gravitation', 'renormalization group', 'gauge field theory, hierarchy', 'astrophysics, fundamental constant', 'holography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906182'] | ['Following a recent suggestion by Randall and Sundrum, we consider string compactification scenarios in which a compact slice of AdS-space arises as a subspace of the compactification manifold. A specific example is provided by the type II orientifold equivalent to type I theory on (orbifolds of) $T^6$, upon taking in... | ['1999-06-25'] |
5,739 | ['eng'] | ['Narozhny, B N', 'Fedotov, A M', 'Karnakov, B M', 'Mur, V D', 'Belinsky, V A'] | ['Boundary conditions in the Unruh problem'] | ['Particle Physics - Theory'] | ['Unruh effect', 'boundary condition', 'quantization', 'space-time, Rindler', 'superselection rule', 'field theory, scalar', 'dimension, 2', 'space-time, Minkowski', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906181'] | ['We have analyzed the Unruh problem in the frame of quantum field theory and have shown that the Unruh quantization scheme is valid in the double Rindler wedge rather than in Minkowski spacetime. The double Rindler wedge is composed of two disjoint regions ($R$- and $L$-wedges of Minkowski spacetime) which are causall... | ['1999-06-25'] |
5,740 | ['eng'] | ['Begliuomini, R'] | ['Wilson Loops in Two-Dimensional Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['thesis', 'gauge field theory, Yang-Mills', 'dimension, 2', 'Wilson loop', 'Feynman gauge', 'light cone gauge', 'gauge field theory, SU(N)', 'regularization, dimensional', 'quantization', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906180'] | ['This Ph.D. thesis reaches two main results. The first one is represented by a detailed study, in Feynman gauge, of the perturbative ${\\cal O}(g^4)$ contribution to a space-time Wilson loop, with respect to its (expected) Abelian-like time exponentiation when the temporal side goes to infinity. As soon as we are in d... | ['1999-06-24'] |
5,741 | ['eng'] | ['Craps, B', 'Roose, F'] | ['NS fivebranes in type 0 string theory'] | ['Particle Physics - Theory'] | ['membrane model', 'string model', 'zero mode', 'spectra, massless', 'Kaluza-Klein model', 'magnetic monopole', 'anomaly', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906179'] | ["The massless degrees of freedom of type 0 NS5-branes are derived. A non-chiral, purely bosonic spectrum is found in both type 0A and 0B. This non-chirality is confirmed by a one-loop computation in the bulk. An interpretation of the spectra in terms of ``type 0 little strings'' is proposed. The type 0B NS5-brane is c... | ['1999-06-24'] |
5,742 | ['eng'] | ['Deser, Stanley D'] | ['Two Outcomes for Two Old (Super-)Problems'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'supergravity', 'energy', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906178'] | ['I briefly review the outcomes of two very different old questions -- where global SUSY improves on ordinary QFT -- when they are in turn posed in the local, SUGRA, context. The first concerns the unexpectedly powerful role of the "Dirac square root" graded algebra relation $E=Q^2$, originally found in D=4 SUSY by Gol... | ['1999-06-24'] |
5,743 | ['eng'] | ['Shiromizu, T'] | ['Dilatonic Probe, Force Balance and Gyromagnetic Ratio'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'coupling, dilaton', 'dimension, 4', 'dimensional reduction', 'forces', 'hyperfine structure', 'soliton', 'Einstein-Maxwell equation', 'space-time', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906177'] | ["Following the Papapetrou-Dixon-Wald procedure we derive the equation of motion for a dilatonic test body(probe) with the dilaton coupling $\\alpha = comes from extra dimensions, it is best to derive the EOM by a dimensional reduction from $(p+4)-$dimensions. We discuss about the force balance up to the gravitational ... | ['1999-06-24'] |
5,744 | ['eng'] | ['Castro, C'] | ['Conformally Invariant $\\sigma$ Models on Anti de Sitter Spaces, Chern-Simons p-branes and W-Geometry'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'sigma model, nonlinear', 'any-dimensional', 'invariance, conformal', 'symmetry, O(N,1)', 'membrane model', 'Chern-Simons term', 'algebra, W(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906176'] | ["Conformally invariant sigma models in D=2n dimensions with target non-compact O(2n,1) groups are studied. It is shown that despite the non-compact nature of the O(2n,1) groups, the classical action and Hamiltonian are positive definite. Instanton field configurations are found to correspond geometrically to conformal... | ['1999-06-24'] |
5,745 | ['eng'] | ['Hartman, M A', 'Taylor, C C'] | ['Light Meson Mass Spectrum from Gauge Fields on Supergravity Backgrounds'] | ['Particle Physics - Theory'] | ['pi, mass spectrum', 'rho(770), mass spectrum', 'quark, mass', 'gauge field theory', 'supergravity, background', 'space-time, higher-dimensional', 'string model, open', 'numerical calculations, interpretation of experiments'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906175'] | ['We propose that the spectrum of light mesons (the $\\pi$ and $\\rho$, together with their radial excitations) can be calculated in the limit of vanishing light quark masses by studying gauge theory (open string theory) on suitable higher dimensional background geometries. Using the metric proposed by Witten for glueb... | ['1999-06-24'] |
5,746 | ['eng'] | ['Balachandran, A P', 'Batista, E', 'Costa e Silva, I P', 'Teotonio-Sobrinho, P'] | ['The Spin-Statistics Connection in Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'spin, statistics', 'dimension, 3', 'geon, topological', 'quantization', 'algebra, representation', 'charge, nonabelian', 'flux, magnetic', 'superselection rule'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906174'] | ['It is well-known that is spite of sharing some properties with conventional particles, topological geons in general violate the spin-statistics theorem. On the other hand, it is generally believed that in quantum gravity theories allowing for topology change, using pair creation and annihilation of geons, one should ... | ['1999-06-24'] |
5,747 | ['eng'] | ['Zakir, Z'] | ['A Gravitational Self Energy of Matter and a Gravitational Renormalization of Quantum Fields, 1'] | ['Particle Physics - Theory'] | ['gravitation', 'propagator, renormalization', 'field theory', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906173'] | ['The curvature scalar -R/const in the Einstein-Gilbert action can be replaced by the energy-momentum scalar of the matter T. This additional energy term in Lagrangians of particles and fields not disappears on a flate space-time and can be considered as a gravitational self energy. It is shown that this term in Lagran... | ['1999-06-24'] |
5,748 | ['eng'] | ['Hagen, C R'] | ['Fractional spin and the Pauli term'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'gauge field theory, U(1)', 'dimension, 3', 'magnetic moment, anomaly', 'spin, fractional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906172'] | ['It has recently been claimed that the inclusion of a Pauli term in (2+1) dimensions gives rise to a new type of anomalous spin term. The form of that term is shown to contradict the structure relations for the inhomogeneous Lorentz group.'] | ['1999-06-24'] |
5,749 | ['eng'] | ['Zarikas, V'] | ["Derivative expansion of quadratic operators in a general 't Hooft gauge"] | ['Particle Physics - Theory'] | ['space-time', 'operator, differential', 'expansion, heat kernel', 'expansion, derivative', 'gauge field theory', 'dependence, gauge', 'finite temperature', 'quantum electrodynamics', 'field theory, scalar', 'electroweak interaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906171'] | ["A derivative expansion technique is developed to compute functional determinants of quadratic operators, non diagonal in spacetime indices. This kind of operators arise in general 't Hooft gauge fixed Lagrangians. Elaborate applications of the developed derivative expansion are presented."] | ['1999-06-24'] |
5,750 | ['eng'] | ["D'Albuquerque, L C", 'Gomes, M J', 'Da Silva, A J'] | ['Radiative Corrections to the Aharonov-Bohm Scattering'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'radiative correction', 'flux tube, magnetic', 'Dirac equation, solution', 'cross section', 'magnetic field', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906170'] | ['We consider the scattering of relativistic electrons from a thin magnetic flux tube and perturbatively calculate the order $\\alpha$, radiative correction, to the first order Born approximation. We show also that the second order Born amplitude vanishes, and obtain a finite inclusive cross section for the one-body sc... | ['1999-06-24'] |
5,751 | ['eng'] | ['Esposito, G'] | ['New Kernels in Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity, Euclidean', 'boundary condition, nonlocal', 'gauge field theory', 'operator', 'invariance, gauge', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906169'] | ['Recent work in the literature has proposed the use of non-local boundary conditions in Euclidean quantum gravity. The present paper studies first a more general form of such a scheme for bosonic gauge theories, by adding to the boundary operator for mixed boundary conditions of local nature a two-by-two matrix of pse... | ['1999-06-24'] |
5,752 | ['eng'] | ['Lü, H', 'Pope, C N'] | ['Exact Embedding of N=1, D=7 Gauged Supergravity in D=11'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, SU(2)', 'gauge field theory, SO(5)', 'dimension, 11', 'dimensional reduction', 'dimension, 7', 'Kaluza-Klein model, nonlinear', 'dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906168'] | ['We obtain the explicit and complete bosonic non-linear Kaluza-Klein ansatz for the consistent S^4 reduction of D=11 supergravity to N=1, D=7 gauged supergravity. This provides a geometrical interpretation of the lower dimensional solutions from the eleven-dimensional point of view.'] | ['1999-06-24'] |
5,753 | ['eng'] | ['Anselmi, D'] | ['Higher-spin current multiplets in operator-product expansions'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion', 'field theory, vector', 'any-dimensional', 'current, multiplet', 'spin, high', 'tensor', 'anomaly, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906167'] | ['Various formulas for currents with arbitrary spin are worked out in general space-time dimension, in the free field limit and, at the bare level, in presence of interactions. As the n-dimensional generalization of the (conformal) vector field, the (n/2-1)-form is used. The two-point functions and the higher-spin cent... | ['1999-06-24'] |
5,754 | ['eng'] | ['Chandia, O', 'Zanelli, J'] | ['Reply to the comment by D. Kreimer and E. Mielke'] | ['Particle Physics - Theory'] | ['space-time', 'anomaly, chiral', 'torsion, effect'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906165'] | ['We respond to the comment by Kreimer et. al. about the torsional contribution to the chiral anomaly in curved spacetimes. We discuss their claims and refute its main conclusion.'] | ['1999-06-24'] |
5,755 | ['eng'] | ['Tripathy, P K'] | ['Gravitating dyons and dyonic black holes in Einstein-Born-Infeld-Higgs model'] | ['Particle Physics - Theory'] | ['Einstein equation', 'Born-Infeld model', 'Higgs model', 'gravitation, dyon', 'black hole, nonabelian', 'field equations, monopole', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906164'] | ['We find static spherically symmetric dyons in Einstein-Born-Infeld-Higgs model in 3+1 dimensions. The solutions share many features with the gravitating monopoles in the same model. In particular, they exist only up to some critical value of a parameter $\\a$ related to the strength of the gravitational interaction. ... | ['1999-06-24'] |
5,756 | ['eng'] | ['Klimcík, C', 'Parkhomenko, S E'] | ['Supersymmetric gauged WZNW models as dressing cosets'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'supersymmetry', 'duality', 'coset space', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906163'] | ['The domain of applicability of the Poisson-Lie T-duality is enlarged to include the gauged WZNW models.'] | ['1999-06-24'] |
5,757 | ['eng'] | ['Gauntlett, J P'] | ['Membranes on Fivebranes'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 11', 'supersymmetry', 'soliton, BPS'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906162', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['By analysing supersymmetry transformations we derive new BPS equations for the D=11 fivebrane propagating in flat space that involve the world-volume three-form. The equations generalise those of 2,3,4 and 5 dimensional special Lagrangian submanifolds and are relevant for describing membranes ending on these submanif... | ['1999-06-24'] |
5,758 | ['eng'] | ['Ardalan, Farhad', 'Arfaei, H', 'Sheikh-Jabbari, S'] | ['Dirac Quantization of Open Strings and Noncommutativity in Branes'] | ['Particle Physics - Theory'] | ['M-theory', 'matrix model', 'string model', 'string, open', 'quantization, constraint', 'Hamiltonian formalism', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906161'] | ['We apply the Dirac bracket quantization to open strings attached to branes in the presence of background antisymmetric field and recover an inherent noncommutativity in the internal coordinates of the brane.'] | ['1999-06-24'] |
5,759 | ['eng'] | ['Emparan, R'] | ['Black diholes'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation, solution', 'dilaton', 'black hole, charge', 'black hole, pair', 'magnetic field, external field', 'membrane model', 'string model', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906160'] | ['We present and analyze exact solutions of the Einstein--Maxwell and Einstein-Maxwell-Dilaton equations that describe static pairs of oppositely charged extremal black holes, i.e., black diholes. The holes are suspended in equilibrium in an external magnetic field. We comment as well on the relation of these solutions... | ['1999-06-24'] |
5,760 | ['eng'] | ['Södermark, B M'] | ['Integrable Models and the Toda Lattice Hierarchy'] | ['Particle Physics - Theory'] | ['integrability', 'dimension, 2', 'lattice, Toda', 'differential equations, hierarchy', 'Korteweg-de Vries equation', 'operator, Lax', 'space, symplectic', 'algebra, W(N)', 'Wess-Zumino-Witten model', 'gauge field theory, Yang-Mills', 'dimension, 4', 'supersymmetry', 'invariance, conformal', 'field equations, nonlinear... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906159'] | ['A pedagogical presentation of integrable models with special reference to the Toda lattice hierarchy has been attempted. The example of the KdV equation has been studied in detail, beginning with the infinite conserved quantities and going on to the Lax formalism for the same. We then go on to symplectic manifolds fo... | ['1999-06-24'] |
5,761 | ['eng'] | ['Hari-Dass, N D'] | ['Regularisation of Chiral Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, chiral', 'parity, violation', 'electroweak interaction', 'anomaly', 'perturbation theory, higher-order', 'regularization', 'lattice field theory', 'field theory, scalar', 'coupling, Yukawa'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906158'] | ['This article gives a review of the topic of regularising chiral gauge theories and is aimed at a general audience. It begins by clarifying the meaning of chirality and goes on to discussing chiral projections in field theory, parity violation and the distinction between vector and chiral field theories. It then discu... | ['1999-06-24'] |
5,762 | ['eng'] | ['Yan, M L'] | ['Quantum Davey-Stewartson 1 System with Two Components in Two Dimensions'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'integrability', 'wave function', 'Bethe ansatz', 'fermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906157'] | ['The quantum 2-component DS1 system in two dimensions has been reduced to two 2-component many-body problems both in one dimension by an analogue of the method of separation of variables. The solutions to 2 dimensional problem under consideration can be constructed from the resulting problem in one dimensions. For lat... | ['1999-06-24'] |
5,763 | ['eng'] | ['Kleinert, H', 'Chervyakov, A'] | ['Reparametrization Invariance of Path Integrals'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'path integral', 'invariance, reparametrization', 'perturbation theory, higher-order', 'higher-order, 3', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906156'] | ['We demonstrate the reparametrization invariance of perturbatively defined one-dimensional functional integrals up to the three-loop level for a path integral of a quantum-mechanical point particle in a box. We exhibit the origin of the failure of earlier authors to establish reparametrization invariance which led the... | ['1999-06-24'] |
5,764 | ['eng'] | ['Mück, W', 'Viswanathan, K S'] | ['Regular and Irregular Boundary Conditions in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'field theory, scalar', 'boundary condition', 'propagator', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906155'] | ["We expand on Klebanov and Witten's recent proposal for formulating the AdS/CFT correspondence using irregular boundary conditions. The proposal is shown to be correct to any order in perturbation theory."] | ['1999-06-21'] |
5,765 | ['eng'] | ['García-Compéan, H', 'Obregón, O', 'Ramírez, C', 'Sabido, M'] | ['Remarks on 2+1 Self-dual Chern-Simons Gravity'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory', 'Chern-Simons term', 'dimension, 3', 'field theory, action', 'duality', 'spin', 'topology', 'dimension, 4', 'field theory, vector', 'nonabelian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906154'] | ["We study 2+1 Chern-Simons gravity at the classical level action. In particular we rederive the linear combinations of the ``standard'' and ``exotic'' Einstein actions, from the (anti)`self-duality' of the `internal' Lorentzian indices. The relation to a genuine four-dimensional (anti) self-dual topological theories g... | ['1999-06-21'] |
5,766 | ['eng'] | ['Callan, C G', 'Guijosa, A'] | ['Undulating Strings and Gauge Theory Waves'] | ['Particle Physics - Theory'] | ['string model', 'gauge field theory, Yang-Mills', 'supersymmetry', 'fermion, heavy', 'fluctuation', 'approximation, strong coupling', 'Born-Infeld model', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906153'] | ['We study some dynamical aspects of the correspondence between strings in AdS space and external heavy quarks in N=4 SYM. Specifically, by examining waves propagating on such strings, we make some plausible (and some surprising) inferences about the time-dependent fields produced by oscillating quarks in the strongly-... | ['1999-06-21'] |
5,767 | ['eng'] | ['Liu, H', 'Tseytlin, Arkady A'] | ['Dilaton-fixed scalar correlators and $AdS_{5} x S^{5}$- SYM correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'dilaton', 'gauge field theory, SU(N)', 'n-point function, 3', 'supergravity', 'Born-Infeld model', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906151'] | ["We address the question of AdS/CFT correspondence in the case of the 3-point function <O_4 O_4 O_8> of particular primary states represented by O_4 ~ tr F^2 + ... and O_8 ~ tr F^4 + ... operators in \\N=4 SYM theory or dilaton \\phi and massive ``fixed'' scalar \\nu in D=5 supergravity. While the large N SYM correlat... | ['1999-06-21'] |
5,768 | ['eng'] | ['Lee, C W H', 'Rajeev, S G'] | ['Large-N Yang-Mills Theory as Classical Mechanics'] | ['Particle Physics - Theory'] | ['talk, Ottawa 1999/05/10', 'gauge field theory, SU(N)', 'coupling, matter', 'dimension, 2', 'expansion 1/N', 'mechanics, classical', 'Hamiltonian formalism, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906150'] | ['To formulate two-dimensional Yang-Mills theory with adjoint matter fields in the large-N limit as classical mechanics, we derive a Poisson algebra for the color-invariant observables involving adjoint matter fields. We showed rigorously in J. Math. Phys. 40, 1870 (1999) that different quantum orderings of the observa... | ['1999-06-21'] |
5,769 | ['eng'] | ['Prokushkin, S F', 'Vasilev, M A'] | ['Currents of Arbitrary Spin in $AdS_{3}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 2', 'dimension, 3', 'differential forms', 'spinor', 'field theory, scalar', 'current, conservation law', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906149'] | ['We study conserved currents of any integer or half integer spin built from massless scalar and spinor fields in AdS_3. 2-forms dual to the conserved currents in AdS_3 are shown to be exact in the class of infinite expansions in higher derivatives of the matter fields with the coefficients containing inverse powers of... | ['1999-06-21'] |
5,770 | ['eng'] | ['Ellis, Jonathan Richard', 'Lalak, Z', 'Pokorski, S', 'Thomas, S'] | ['Supergravity and Supersymmetry Breaking in Four and Five Dimensions'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'strong coupling', 'symmetry, E(8) x E(8)', 'space-time, Calabi-Yau', 'supersymmetry, symmetry breaking', 'dimension, 4', 'dimension, 5', 'dimensional reduction', 'Kaluza-Klein model', 'supergravity', 'gauge field theory', 'threshold, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906148'] | ['We discuss supersymmetry breaking in the field-theoretical limit of the strongly-coupled heterotic string compactified on a Calabi-Yau manifold, from the different perspectives of four and five dimensions. The former applies to light degrees of freedom below the threshold for five-dimensional Kaluza-Klein excitations... | ['1999-06-21'] |
5,771 | ['eng'] | ['Nieto, A', 'Tytgat, M H G'] | ['Effective field theory approach to N=4 supersymmetric Yang-Mills at finite temperature'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'finite temperature', 'energy', 'perturbation theory, higher-order', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906147'] | ["We study the perturbation expansion of the free energy of N=4 supersymmetric SU(N) Yang-Mills at finite temperature in powers of 't Hooft's coupling g^2 N in the large N limit. Infrared divergences are controlled by constructing a hierarchy of two 3 dimensional effective field theories. This procedure is applied to t... | ['1999-06-21'] |
5,772 | ['eng'] | ['Monteiro del Cima, O', 'Grimstrup, J M', 'Schweda, Manfred'] | ['On the finiteness of a new topological model in D=3'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'field theory, BF', 'dimension, 3', 'field theory, topological', 'invariance, conformal', 'perturbation theory, higher-order', 'field theory, finite', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'operator, algebra', 'Slavnov identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906146'] | ['A new topological model is proposed in three dimensions as an extension of the BF-model. It is a three-dimensional counterpart of the two-dimensional model introduced by Chamseddine and Wyler ten years ago. The BFK-model, as we shall call it, shows to be quantum scale invariant at all orders in perturbation theory. T... | ['1999-06-21'] |
5,773 | ['eng'] | ['Chaichian, Masud', 'Chen, W F', 'Montonen, C'] | ['A Down to Earth Attempt at Determining the Low Energy Effective Action of N=2 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['talk, Stanford 1999/08/09', 'gauge field theory, SU(2)', 'supersymmetry', 'effective action', 'path integral', 'fermion, determinant', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906145'] | ['We review a detailed investigation of the perturbative part of the low-energy effective action of N=2 supersymmetric Yang-Mills theory in a conventional effective field theory approach. With the restriction that the effective action should contain at most two derivatives and not more than four-fermion couplings, the ... | ['1999-06-21'] |
5,774 | ['eng'] | ['Branson, T P', 'Gilkey, P B', 'Kirsten, K', 'Vasilievich, D V'] | ['Heat kernel asymptotics with mixed boundary conditions'] | ['Particle Physics - Theory'] | ['space-time', 'operator, differential', 'fibre bundle', 'heat kernel', 'asymptotic behavior', 'boundary condition', 'transformation, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906144'] | ['We calculate the coefficient $a_5$ of the heat kernel asymptotics for an operator of Laplace type with mixed boundary conditions on a general compact manifold.'] | ['1999-06-21'] |
5,775 | ['eng'] | ['Prodanov, E M', 'Sen, S'] | ['Abelian Duality'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 3', 'cohomology', 'field theory, scalar', 'gauge field theory, U(1)', 'partition function', 'torsion', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906143'] | ['We show that on three-dimensional Riemannian manifolds without boundaries and with trivial first real de Rham cohomology group (and in no other dimensions) scalar field theory and Maxwell theory are equivalent: the ratio of the partition functions is given by the Ray-Singer torsion of the manifold. On the level of in... | ['1999-06-21'] |
5,776 | ['eng'] | ['Sorokin, D P'] | ['Superbranes and Superembeddings'] | ['Particle Physics - Theory'] | ['review', 'membrane model', 'supersymmetry', 'embedding', 'geometry', 'string model', 'M-theory', 'particle, massless', 'kappa symmetry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906142'] | ['Reviewed is a geometrical approach to the description of the dynamics of superparticles, superstrings and, in general, of super-p-branes, Dirichlet branes and the M5-brane, which is based on a generalization of the elements of surface theory to the description of the embedding of supersurfaces into target superspaces... | ['1999-06-21'] |
5,777 | ['eng'] | ['Buchbinder, I L', 'Cvetic, M', 'Petrov, A Yu'] | ['One-loop effective potential of N=1 supersymmetric theory and decoupling effects'] | ['Particle Physics - Theory'] | ['supersymmetry', 'effective potential', 'decoupling', 'gauge field theory, U(1)', 'superfield, chiral', 'potential, Kaehler', 'quantization, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906141'] | ['We study the decoupling effects in N=1 (global) supersymmetric theories with chiral superfields at the one-loop level. The examples of gauge neutral chiral superfields with the minimal (renormalizable) as well as non-minimal (non- renormalizable) couplings are considered, and decoupling in gauge theories with U(1) ga... | ['1999-06-21'] |
5,778 | ['eng'] | ['Maslowski, T', 'Glazek, S D'] | ['Construction of the effective Poincaré algebra'] | ['Particle Physics - Theory'] | ['talk, Seoul 1999/05/26', 'phi**n model, 3', 'tensor, energy-momentum', 'dimension, 2', 'algebra, Poincare', 'Hamiltonian formalism', 'regularization', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906140'] | ['We derive expressions for Poincaré group generators using preturbative similarity renormalization group procedure for Hamiltonians. We show that generators obtained in second-order perturbation theory satisfy required commutation relations in weak sense, i.e. in matrix elements between states of finite invariant mass... | ['1999-06-21'] |
5,779 | ['eng'] | ['Ganchev, A C', 'Petkova, V B', 'Watts, G M T'] | ['A note on decoupling conditions for generic level $\\widehat{sl}(3)_{k}$ and fusion rules'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'symmetry, SL(3)', 'decoupling', 'algebra, fusion', 'vector, singularity', 'correlation function', 'differential equations', 'n-point function, 3', 'field theory, conformal', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906139'] | ['We find the solution of the $\\hat{sl}(3)_k$ singular vector decoupling equations on 3-point functions for the particular case when one of the fields is of weight $w_0\\cdot k\\Lambda_0$. The result is a function with non-trivial singularities in the flag variables, namely a linear combination of 2F1 hypergeometric f... | ['1999-06-18'] |
5,780 | ['eng'] | ['Devetak, I', 'LeClair, A'] | ['Plateaux Transitions from S-matrices based on SL(2,Z) Invariant Field Theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'invariance, SL(2,Z)', 'perturbation theory', 'boundary condition', 'central charge, 1', 'S-matrix', 'energy', 'Bethe ansatz', 'ground state', 'Hall effect', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906138'] | ["A scattering scattering description is proposed for a boundary perturbation of a $c=1$ $SL(2,Z)$ invariant conformal field theory. The bulk massless S-matrices are of the form of Zamolodchikov's staircase model. Using the boundary version of the thermodynamic Bethe ansatz, we show that the boundary free energy goes t... | ['1999-06-18'] |
5,781 | ['eng'] | ['Martinec, Emil J', 'Sahakian, V V'] | ['A note on the thermodynamics of "little string" theory'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 1', 'p-brane, 5', 'field theory, torus', 'dimension, 5', 'dimension, 6', 'thermodynamics', 'critical phenomena', 'temperature, dependence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906137'] | ["We study the thermodynamics of the D1-D5 system on a five-torus, focussing on the roles of different scales. One can take a decoupling limit such that the tension of the `little string' inside the fivebrane remains finite and the physics is 5+1 dimensional. The dual black geometry exhibits a boosted Hagedorn phase, a... | ['1999-06-18'] |
5,782 | ['eng'] | ['Finkelstein, R J'] | ['Gauged q-Fields'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'quantum group, SU(2)', 'field theory, deformation', 'energy', 'mass spectrum', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906135'] | ['The straightforward description of q-deformed systems leads to transition amplitudes that are not numerically valued. To give physical meaning to these expressions without introducing ad hoc remedies, one may exploit an "internal" Fock space already defined by the q-algbra. This internal space may be interpreted in t... | ['1999-06-18'] |
5,783 | ['eng'] | ['Ambjørn, Jan', 'Makeenko, Y M', 'Semenoff, Gordon W', 'Szabo, R J'] | ['Screening and D-brane Dynamics in Finite Temperature Superstring Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'finite temperature', 'membrane model, D-brane', 'partition function', 'electric field, background field', 'screening', 'phase space', 'boundary condition', 'effective action', 'Polyakov loop', 'duality', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906134'] | ['The thermal dynamics of D-branes and of open superstrings in background gauge fields is studied. It is shown that D-brane dynamics forbids constant velocity motion at finite temperature. T-duality is used to interpret this feature as a consequence of the absence of an equilibrium state of charged strings at finite te... | ['1999-06-18'] |
5,784 | ['eng'] | ['Rai-Dastidar, T K', 'Rai-Dastidar, K'] | ["Father time; 2, A physical basis behind Feynman's idea of antiparticles moving backward in time, and an extension of the CPT theorem to include non-local gauge fields"] | ['Particle Physics - Theory'] | ['energy, conservation law', 'invariance, CPT', 'matter', 'radiation', 'gauge field theory, nonlocal', 'time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906133'] | ['It has been demonstrated in a recent paper (Mod.Phys.Lett. A13, 1265 (1998); hep-th/9902020) that the existence of a non-thermodynamic arrow of time at the atomic level is a fundamental requirement for conservation of energy in matter-radiation interaction. Since the universe consists of two things only --- energy an... | ['1999-06-18'] |
5,785 | ['eng'] | ['Heller, M', 'Sasin, W'] | ['State Vector Reduction as a Shadow of a Noncommutative Dynamics'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'quantum mechanics', 'unified field theory', 'phase space', 'operator, random', 'operator, algebra', 'spin, measurement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906132'] | ['A model, based on a noncommutative geometry, unifying general relativity with quantum mechanics, is further develped. It is shown that the dynamics in this model can be described in terms of one-parameter groups of random operators. It is striking that the noncommutative counterparts of the concept of state and that ... | ['1999-06-18'] |
5,786 | ['eng'] | ['Imaanpur, A'] | ['A 3d topological sigma model and D-branes'] | ['Particle Physics - Theory'] | ['sigma model, topological', 'dimension, 3', 'membrane model, D-brane', 'invariance, Becchi-Rouet-Stora', 'moduli space', 'dimensional reduction', 'gauge field theory, U(1)', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906131'] | ['A 3d topological sigma model describing maps from a 3-manifold Y to a Calabi-Yau 3-fold M is introduced. As the model is topological, we can choose an arbitrary metric on M. Upon scaling up the metric, the path integral by construction localizes on the moduli space of special Lagrangian submanifolds of M. We couple t... | ['1999-06-18'] |
5,787 | ['eng'] | ['Kondo, K I', 'Taira, Y'] | ['Quark Confinement in SU(3) Yang-Mills Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'quark, confinement', 'gauge, abelian', 'Wilson loop', 'coherent state', 'coset space, SU(3)/U(1) x U(1)', 'magnetic monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906129'] | ['We outline a derivation of the area law of the Wilson loop in SU(3) Yang-Mills theory in the maximal Abelian gauge (The detailed exposition will be given in a forthcoming article). This derivation is performed within the reformulation of the Yang-Mills theory recently proposed by one of the authors. To this end, we e... | ['1999-06-18'] |
5,788 | ['eng'] | ['Brandt, F T', 'Frenkel, J'] | ['Behavior of logarithmic branch cuts in the self-energy of gluons at finite temperature'] | ['Particle Physics - Theory'] | ['gluon, propagator', 'renormalization', 'finite temperature', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906128'] | ['We give a simple argument for the cancellation of the log(-k^2) terms (k is the gluon momentum) between the zero-temperature and the temperature-dependent parts of the thermal self-energy.'] | ['1999-06-18'] |
5,789 | ['eng'] | ['Kraus, P', 'Larsen, F', 'Siebelink, R'] | ['The Gravitational Action in Asymptotically AdS and Flat Spacetimes'] | ['Particle Physics - Theory'] | ['gravitation, action', 'space-time, anti-de Sitter', 'Gauss-Codazzi equation', 'black hole', 'thermodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906127'] | ['The divergences of the gravitational action are analyzed for spacetimes that are asymptotically anti-de Sitter and asymptotically flat. The gravitational action is rendered finite using a local counterterm prescription, and the relation of this method to the traditional reference spacetime is discussed. For AdS, an i... | ['1999-06-17'] |
5,790 | ['eng'] | ['Banks, T'] | ['Remarks on M Theoretic Cosmology'] | ['Particle Physics - Theory'] | ['inflationary universe', 'M-theory', 'supersymmetry, symmetry breaking', 'gauge field theory', 'field theory, moduli', 'potential', 'baryon number, violation', 'astrophysics, missing-mass', 'string model', 'duality', 'density, fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906126'] | ['I present cosmological arguments which point towards a Horava-Witten like picture of the universe, with the unification scale of order the fundamental gravitational scale. The SUSY breaking scale is determined by the dynamics of gauge fields which are weakly coupled at the fundamental scale. Bulk moduli whose potenti... | ['1999-06-17'] |
5,791 | ['eng'] | ['Bassetto, A', 'Griguolo, L', 'Vian, Federica'] | ['Instanton contributions to Wilson loops with general winding number in two dimensions and the spectral density'] | ['Particle Physics - Theory'] | ['instanton', 'Wilson loop', 'gauge field theory, U(N)', 'expansion 1/N', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906125'] | ['The exact expression for Wilson loop averages winding n times on a closed contour is obtained in two dimensions for pure U(N) Yang-Mills theory and, rather surprisingly, it displays an interesting duality in the exchange $n computations. Moreover we discuss the limit of small loop area ${\\cal A}$, keeping $n^2 {\\ca... | ['1999-06-17'] |
5,792 | ['eng'] | ['Medeiros, D M', 'Landim, R R', 'Almeida, C A S'] | ['Non-Chern-Simons Topological Mass Generation in (2+1) Dimensions'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'field theory, BF', 'dimension, 3', 'field theory, action', 'mass, topological', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906124'] | ["By dimensional reduction of a massive BF theory, a new topological field theory is constructed in (2+1) dimensions. Two different topological terms, one involving a scalar and a Kalb-Ramond fields and another one equivalent to the four-dimensional BF term, are present. We constructed two actions with these topologica... | ['1999-06-17'] |
5,793 | ['eng'] | ['Fjelstad, J', 'Hwang, S'] | ['Equivalence of Chern-Simons gauge theory and WZNW model using a BRST symmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 3', 'boundary condition', 'Wess-Zumino-Witten model', 'dimension, 2', 'invariance, Becchi-Rouet-Stora', 'invariance, gauge', 'Hamiltonian formalism', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906123'] | ['The equivalence between the Chern-Simons gauge theory on a three-dimensional manifold with boundary and the WZNW model on the boundary is established in a simple and general way using the BRST symmetry. Our approach is based on restoring gauge invariance of the Chern-Simons theory in the presence of a boundary. This ... | ['1999-06-17'] |
5,794 | ['eng'] | ['Lizzi, F'] | ['Noncommutative Geometry, Strings and Duality'] | ['Particle Physics - Theory'] | ['talk, Hesselberg 1999/03/14', 'string model', 'sigma model, nonlinear', 'operator, vertex', 'algebra, Virasoro', 'phase space', 'differential geometry, noncommutative', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906122'] | ['In this talk, based on work done in collaboration with G. Landi and R.J Szabo, I will review how string theory can be considered as a noncommutative geometry based on an algebra of vertex operators. The spectral triple of strings is introduced, and some of the string symmetries, notably target space duality, are disc... | ['1999-06-17'] |
5,795 | ['eng'] | ['Henneaux, M', 'Wilch, A'] | ['Semi-Invariant Terms for Gauged Non-Linear $\\sigma$-Models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory', 'dimension, 2', 'coset space', 'Chern-Simons term', 'Wess-Zumino term', 'transformation, Becchi-Rouet-Stora', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906121'] | ['We determine all the terms that are gauge-invariant up to a total spacetime derivative ("semi-invariant terms") for gauged non-linear sigma models $G/H$ where $H$ is compact or semi-simple. We show that (non-trivial) such terms exist only in odd dimensions and are equivalent to the familiar Chern-Simons terms for the... | ['1999-06-17'] |
5,796 | ['eng'] | ['Fujita, T', 'Kake, T', 'Takahashi, H'] | ['Strong Coupling Limit of Bethe Ansatz Solutions in Massive Thirring Model'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'Bethe ansatz', 'approximation, strong coupling', 'boson, mass', 'boundary condition', 'regularization', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906120'] | ['We study the strong coupling limit of the Bethe ansatz solutions in the massive Thirring model. We find analytical expressions for the energy eigenvalues for the vacuum state as well as n-particle n- hole states. This formula is compared with the numerical results and is found to achieve a very good agreement. Also, ... | ['1999-06-17'] |
5,797 | ['eng'] | ['Bak, D', 'Lee, C', 'Lee, K', 'Yi, P'] | ['Low Energy Dynamics for 1/4 BPS Dyons'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'field equations, monopole', 'field equations, dyon', 'monopole, BPS', 'charge, fractional', 'moduli space', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906119'] | ['Classical 1/4 BPS configurations consist of 1/2 BPS dyons which are positioned by competing static forces from electromagnetic and Higgs sectors. These forces do not follow the simple inverse square law, but can be encoded in some low energy effective potential between fundamental monopoles of distinct types. In this... | ['1999-06-17'] |
5,798 | ['eng'] | ['Claus, P', 'Rahmfeld, J', 'Zunger, Y'] | ['A Simple Particle Action from a Twistor Parametrization of $AdS_{5}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'symmetry, SO(4,2)', 'geometry, transformation', 'twistor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906118'] | ['The SO(4,2) isometries of AdS_5 are realized non-linearly on its horospherical coordinates (x^m,\\rho). On the other hand, Penrose twistors have long been known to linearly realize these symmetries on 4-dimensional Minkowski space, the boundary of AdS_5, parametrized by x^m. Here we extend the twistor construction an... | ['1999-06-16'] |
5,799 | ['eng'] | ['Widyan, H', 'Mukherjee, A', 'Panchapakesan, N', 'Saxena, R P'] | ['Analytical approach to the transition to thermal hopping in the thin- and thick-wall approximations'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'tunneling', 'finite temperature, high', 'fluctuation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906117'] | ['The nature of the transition from the quantum tunneling regime at low temperatures to the thermal hopping regime at high temperatures is investigated analytically in scalar field theory. An analytical bounce solution is presented, which reproduces the action in the thin-wall as well as thick-wall limits. The transiti... | ['1999-06-16'] |
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