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 |
|---|---|---|---|---|---|---|---|---|
4,100 | ['eng'] | ['Gremm, M'] | ['Thick domain walls and singular spaces'] | ['Particle Physics - Theory'] | ['domain wall', 'space-time, singularity', 'space-time, anti-de Sitter', 'field theory, conformal', 'graviton, spectra', 'mass, gap', 'quantum mechanics', 'boundary condition', 'space-time, fluctuation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002040'] | ['We discuss thick domain walls interpolating between spaces with nakedsingularities and give arguments based on the AdS/CFT correspondence why suchsingularities may be physically meaningful. Our examples include thick domainwalls with Minkowski, de Sitter, and anti-de Sitter geometries on thefour-dimensional slice. In... | ['2000-02-08'] |
4,101 | ['eng'] | ['Herzog, C P'] | ['OPEs and 4-point Functions in AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'n-point function, 4', 'axion', 'dilaton', 'operator product expansion', 'gauge field theory, SU(N)', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002039'] | ["Recently D'Hoker et al. (1999) computed 4-point correlation functions ofaxion and dilaton fields in type IIB SUGRA on AdS_5 x S^5. We reproduce from aCFT point of view all power law singular terms in these AdS 4-point amplitudes.We also calculate a corresponding 4-point function in the weak coupling limit,g_{YM}^2 N ... | ['2000-02-08'] |
4,102 | ['eng'] | ['Aoki, K', 'Takagi, K', 'Terao, H', 'Tomoyose, M'] | ['Non-ladder Extended Renormalization Group Analysis of the Dynamical Chiral Symmetry Breaking'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'symmetry breaking, chiral', 'symmetry, dynamically broken', 'quark, condensation', 'effective potential', 'renormalization group, nonperturbative', 'mass generation', 'dependence, gauge', 'perturbation theory, higher-order', 'ladder approximation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002038'] | ["The order parameters of dynamical chiral symmetry breaking in QCD, thedynamical mass of quarks and the chiral condensates, are evaluated bynumerically solving the Non-Perturbative Renormalization Group (NPRG)equations. We employ an approximation scheme beyond ``the ladder'', that is,beyond the (improved) ladder Schwi... | ['2000-02-08'] |
4,103 | ['eng'] | ['Douglas, M R', 'Fiol, B', 'Römelsberger, C'] | ['Stability and BPS branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'soliton, BPS', 'fibre bundle', 'stability', 'supersymmetry', 'string model', 'spontaneous compactification', 'homology, algebra', 'orbifold', 'field theory, Calabi-Yau', 'moduli space, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002037'] | ['We define the concept of Pi-stability, a generalization of mu-stability ofvector bundles, and argue that it characterizes N=1 supersymmetric braneconfigurations and BPS states in very general string theory compactificationswith N=2 supersymmetry in four dimensions.'] | ['2000-02-07'] |
4,104 | ['eng'] | ['Govindarajan, T R', 'Suneeta, V', 'Vaidya, S'] | ['Horizon States for AdS Black Holes'] | ['Particle Physics - Theory'] | ['black hole, anti-de Sitter', 'dimension, 5', 'field theory, scalar', 'massless', 'horizon', 'glueball', 'zero mode', 'quantum chromodynamics, vacuum state', 'vacuum state, stability', 'dimension, 2', 'dimension, 4', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002036'] | ['We study the time-independent modes of a massless scalar field in variousblack hole backgrounds, and show that for these black holes, thetime-independent mode is localised at the horizon. A similar analysis is donefor time-independent equilibrium modes of the five dimensional plane AdS blackhole. A self-adjointness a... | ['2000-02-07'] |
4,105 | ['eng'] | ['Julia, B L'] | ['Superdualities'] | ['Particle Physics - Theory'] | ['talk, Dubna 1999/07/26', 'talk, Bures-sur-Yvette 1999/06/28', 'talk, Utrecht 1999/06/26', 'talk, Tel Aviv 2000/01/07', 'supersymmetry', 'hidden symmetry', 'any-dimensional', 'integrability', 'duality', 'differential forms', 'gauge field theory, Yang-Mills', 'supergravity', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002035'] | ["Hidden symmetries are the backbone of Integrable two-dimensional theories.They provide classical solutions of higher dimensional models as well, theyseem to survive partially quantisation and their discrete remnants in M-theorycalled U-dualities, would provide a way to control infinities andnonperturbative effects in... | ['2000-02-07'] |
4,106 | ['eng'] | ['Bagnuls, C', 'Bervillier, C'] | ['Exact Renormalization Group Equations'] | ['Particle Physics - Theory'] | ['talk, Taxco 1999/01/11', 'renormalization group, transformation', 'field theory, scalar', 'scaling', 'invariance, reparametrization', 'perturbation theory, higher-order', 'expansion, derivative', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002034'] | ['We critically review the use of the exact renormalization group equations(ERGE) in the framework of the scalar theory. We lay emphasis on the existenceof different versions of the ERGE and on an approximation method to solve it:the derivative expansion. The leading order of this expansion appears as anexcellent textb... | ['2000-02-07'] |
4,107 | ['eng'] | ['González-Diáz, P F'] | ['Quintessence in brane cosmology'] | ['Particle Physics - Theory'] | ['quintessence', 'membrane model', 'astrophysics, model', 'field theory, scalar', 'Einstein equation, solution', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002033'] | ['In order to reconcile the non conventional character of brane cosmology withstandard Friedmann cosmology, we introduce in this paper a slowly-varyingquintessence scalar field in the brane and analyse the cosmological solutionscorresponding to some equations of state for the scalar field. Differentcompensation mechani... | ['2000-02-07'] |
4,108 | ['eng'] | ['Langham, M C'] | ['Vertex Operators in $AdS_{3} \\times S^{3}$ Background with NS-NS Flux using Berkovits-Vafa-Witten Variables'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, anti-de Sitter', 'operator, vertex', 'algebra, conformal', 'supersymmetry, algebra', 'supergravity', 'field equations, solution', 'approximation, linear', 'fluctuation', 'spontaneous compactification', 'Kaluza-Klein model', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002032'] | ['String equations for the vertex operators of type IIB on $AdS_3\\times S^3$background with NS-NS flux are calculated using Berkovits-Vafa-Wittenformalism. With suitable field definitions, the linearized field equations forsix-dimensional supergravity and a tensor multiplet on $AdS_3\\times S^3$ arerecovered from thes... | ['2000-02-07'] |
4,109 | ['eng'] | ['Berman, D S', 'Parikh, M K'] | ['Confinement and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'relativity theory, general', 'dimension, 5', 'black hole', 'temperature', 'thermodynamics', 'energy levels', 'partial wave', 'gauge field theory, SU(N)', 'expansion 1/N', 'confinement', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002031'] | ['We study the thermodynamics of the confined and unconfined phases ofsuperconformal Yang-Mills in finite volume and at large N using the AdS/CFTcorrespondence. We discuss the necessary conditions for a smooth phasecrossover and obtain an N-dependent curve for the phase boundary.'] | ['2000-02-07'] |
4,110 | ['eng'] | ['Dawson, P'] | ['D1 and D5-Brane Actions in $AdS_{m} x S^{n}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 1', 'p-brane, 5', 'string model', 'supersymmetry', 'field theory, action', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002030'] | ['The kappa-invariant and supersymmetric actions of D1 and D5-branes in AdS_3 xS^3 are investigated, as well as the action of a D5-brane in an AdS_5 x S^5background. The action of a D5-brane lying totally in an AdS_3 x S^3 backgroundis found. Some progress was made towards finding the action for the D5-branefree to mov... | ['2000-02-04'] |
4,111 | ['eng'] | ['Nishino, H'] | ['Non-Linear Realization of ${\\aleph_{0}}$-Extended Supersymmetry'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'supersymmetry, representation', 'nonlinear', 'Born-Infeld model', 'Chern-Simons term', 'sigma model, nonlinear', 'duality, transformation', 'gauge field theory, U(N)', 'matrix model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002029'] | ["As generalizations of the original Volkov-Akulov action in four-dimensions,actions are found for all space-time dimensions D invariant under N non-linearrealized global supersymmetries. We also give other such actions invariantunder the global non-linear supersymmetry. As an interesting consequence, wefind a non-line... | ['2000-02-04'] |
4,112 | ['eng'] | ['Nastase, H', 'Vaman, D'] | ['On the nonlinear KK reductions on spheres of supergravity theories'] | ['Particle Physics - Theory'] | ['supergravity', 'spontaneous compactification, sphere', 'Kaluza-Klein model', 'coset space, SL(N)/SO(N)', 'dimension, 11', 'dimension, 7', 'dimension, 10'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002028'] | ['We address some issues related to the construction of general Kaluza-Klein(KK) ans\\"atze for the compactification of a supergravity (sugra) theory on asphere $S_m$. We first reproduce various ans\\"atze for compactification to 7dfrom the ansatz for the full nonlinear KK reduction of 11d sugra on$AdS_7\\times S_4$. A... | ['2000-02-04'] |
4,113 | ['eng'] | ['Freed, D S', 'Hopkins, M J'] | ['On Ramond-Ramond fields and K-theory'] | ['Particle Physics - Theory'] | ['space-time', 'gauge field theory, U(1)', 'charge, electric', 'charge, magnetic', 'fermion', 'operator, Dirac', 'topology', 'membrane model, D-brane', 'K-theory', 'cohomology', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002027'] | ['A recent paper by Moore and Witten explained that Ramond-Ramond fields inType II superstring theory have a global meaning in K-theory. In this note weamplify and generalize some points raised in that paper. In particular, weexpress the coupling of the Ramond-Ramond fields to D-branes in a K-theoreticframework and sho... | ['2000-02-04'] |
4,114 | ['eng'] | ['Braga, N R F', 'Godinho, C F L'] | ['Triplectic Quantization of W2 gravity'] | ['Particle Physics - Theory'] | ['gravitation, W(2)', 'quantization, triplectic', 'correction, higher-order', 'anomaly', 'Wess-Zumino term', 'invariance, Becchi-Rouet-Stora', 'master equation', 'gauge fixing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002026'] | ['The role of one loop order corrections in the triplectic quantization isdiscussed in the case of W2 theory. This model illustrates the presence ofanomalies and Wess Zumino terms in this quantization scheme where extended BRSTinvariance is represented in a completely anticanonical form.'] | ['2000-02-04'] |
4,115 | ['eng'] | ['Hoffmann, L', 'Petkou, Anastasios C', 'Rühl, Werner'] | ['A note on the analyticity of AdS scalar exchange graphs in the crossed channel'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'n-point function', 'exchange, scalar', 'analytic properties', 'operator product expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002025'] | ['We discuss the analytic properties of AdS scalar exchange graphs in thecrossed channel. We show that the possible non-analytic terms drop out byvirtue of non-trivial properties of generalized hypergeometric functions. Theabsence of non-analytic terms is a necessary condition for the existence of anoperator product ex... | ['2000-02-04'] |
4,116 | ['eng'] | ['Klishevich, S M'] | ['Interactions of Massive Integer-Spin Fields'] | ['Particle Physics - Theory'] | ['talk, Dubna 1999/07/26', 'spin, high', 'field theory, massive', 'interaction', 'electromagnetic field, constant', 'space-time'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002024'] | ['We review the interactions of massive fields of arbitrary integer spins withthe constant electromagnetic field and symmetrical Einstein space in the gaugeinvariant framework. The problem of obtaining the gauge-invariant Lagrangiansof integer spin fields in an external field is reduced to purely algebraicproblem of fi... | ['2000-02-04'] |
4,117 | ['eng'] | ['Bouwknegt, P G', 'Mathai, V'] | ['D-branes, B-fields and twisted K-theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, tensor', 'K-theory', 'differential geometry, noncommutative', 'algebra, C*'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002023'] | ['In this note we propose that D-brane charges, in the presence of atopologically non-trivial B-field, are classified by the K-theory of aninfinite dimensional C^*-algebra. In the case of B-fields whose curvature ispure torsion our description is shown to coincide with that of Witten.'] | ['2000-02-03'] |
4,118 | ['eng'] | ['Blagojevic, M', 'Nikolic, I A'] | ['Hamiltonian structure of the teleparallel formulation of GR'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'Hamiltonian formalism', 'constraint, algebra', 'transformation, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002022'] | ["We apply Dirac's Hamiltonian approach to study the canonical structure of theteleparallel form of general relativity without matter fields. It is shown,without any gauge fixing, that the Hamiltonian has the generalized Dirac-ADMform, and constraints satisfy all the consistency requirements. The set ofconstraints invo... | ['2000-02-03'] |
4,119 | ['eng'] | ['Fatollahi, A H'] | ['D0-Branes As Light-Front Confined Quarks'] | ['Particle Physics - Theory'] | ['quantum chromodynamics, light front', 'membrane model, D-brane', 'p-brane, 0', 'dimensional reduction', 'matrix model', 'quantum mechanics', 'effective action', 'background field', 'scattering amplitude', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002021'] | ["It is argued that different aspects of Light-Front QCD at confined phase arerecovered by the Matrix Quantum Mechanics of D0-branes. The Matrix QuantumMechanics we concern is resulted from dimensional reduction of pure Yang-Millstheory to 0+1 dimension. The aspects of QCD dynamics which are studied incorrespondence wi... | ['2000-02-03'] |
4,120 | ['eng'] | ['Mateos, D'] | ['Non-commutative vs. Commutative Descriptions of D-brane BIons'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'p-brane, 3', 'gauge field theory, U(1)', 'soliton, BPS', 'background field', 'postulated particle, BIon', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002020'] | ['The U(1) gauge theory on a D3-brane with non-commutative worldvolume is shownto admit BIon-like solutions which saturate a BPS bound on the energy. Themapping of these solutions to ordinary fields is found exactly, namelynon-perturbatively in the non-commutativity parameters. The result is preciselyan ordinary supers... | ['2000-02-03'] |
4,121 | ['eng'] | ['Ferstl, A', 'Tekin, B', 'Weir, V'] | ['Gravitating Instantons In 3 Dimensional Anti de Sitter Space'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Higgs model', 'Chern-Simons term', 'Einstein equation', 'gravitation, Euclidean', 'astrophysics, fundamental constant', 'instanton, BPS', 'gauge field theory, SO(4)', 'space-time, anti-de Sitter', 'dimension, 3', 'field theory, action', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002019'] | ["We study the Einstein-Chern-Simons gravity coupled to Yang-Mills-Higgs theoryin three dimensional Euclidean space with cosmological constant. The classicalequations of motion reduce to Bogomol'nyi type first order equations. There areBPS type instanton (monopole) solutions of finite action which we findnumerically. I... | ['2000-02-03'] |
4,122 | ['eng'] | ['Acatrinei, C S'] | ['Effects of Magnetic Fields on String Pair Creation'] | ['Particle Physics - Theory'] | ['string, pair production', 'string, open', 'electromagnetic field, background field', 'any-dimensional', 'path integral, determinant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002017'] | ['The rate of pair production of open strings in general uniformelectromagnetic fields is calculated in various space-time dimensions. Thecorrections with respect to the case of pure electric backgrounds aredisplayed. In particular, a contribution in the form of a Born-Infeld action isderived and its role in the presen... | ['2000-02-03'] |
4,123 | ['eng'] | ['Taylor, W'] | ['The M(atrix) model of M-theory'] | ['Particle Physics - Theory'] | ['lectures, Akureyri 1999/08/10', 'M-theory', 'matrix model', 'quantization, light cone', 'discrete', 'Hamiltonian formalism', 'membrane model', 'supersymmetry', 'interaction', 'supergravity', 'many-body problem', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002016'] | ['These lecture notes give a pedagogical and (mostly) self-contained review ofsome basic aspects of the Matrix model of M-theory. The derivations of themodel as a regularized supermembrane theory and as the discrete light-conequantization of M-theory are presented. The construction of M-theory objectsfrom matrices is d... | ['2000-02-03'] |
4,124 | ['eng'] | ['Kopeliovich, V B', 'Stern, B E', 'Zakrzewski, W J'] | ['Skyrmions from SU(3) harmonic maps and their quantization'] | ['Particle Physics - Theory'] | ['Skyrme model', 'symmetry, SU(3)', 'transformation, harmonic', 'Skyrmion', 'baryon number, dependence', 'mass spectrum', 'energy', 'quantization, correction', 'Wess-Zumino term', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002014'] | ['Static properties of SU(3) multiskyrmions with baryon number up to 6(classical masses and momenta of inertia) are estimated. The calculations arebased on the recently suggested generalization of the SU(2) rational mapansaetze applied to the SU(3) model. Both SU(2) embedded skyrmions and genuineSU(3) solutions are con... | ['2000-02-03'] |
4,125 | ['eng'] | ['Petrov, A Yu'] | ['Effective action in general chiral superfield model'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/07/27', 'field theory, action', 'supersymmetry, superfield', 'effective action', 'potential, chiral', 'potential, Kaehler', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002013'] | ['The effective action in general chiral superfield model with arbitraryk\\"{a}hlerian potential $K(\\bar{\\Phi},\\Phi)$ and chiral (holomorphic) potential$W(\\Phi)$ is considered. The one-loop and two-loop contributions tok\\"{a}hlerian effective potential and two-loop (first non-zero) contribution tochiral effective ... | ['2000-02-03'] |
4,126 | ['eng'] | ['Aspinwall, Paul S', 'Katz, S', 'Morrison, D R'] | ['Lie Groups, Calabi-Yau Threefolds, and F-Theory'] | ['Particle Physics - Theory'] | ['F-theory', 'vacuum state', 'field theory, Calabi-Yau', 'dimension, 6', 'homology', 'particle, multiplet', 'algebra, Lie', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002012', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['The F-theory vacuum constructed from an elliptic Calabi-Yau threefold with section yields an effective six-dimensional theory. The Lie algebra of the gauge sector of this theory and its representation on the space of massless hypermultiplets are shown to be determined by the intersection theory of the homology of the... | ['2000-02-02'] |
4,127 | ['eng'] | ['Green, M B', 'Gutperle, M'] | ['D-instanton induced interactions on a D3-brane'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'instanton', 'interaction', 'effective action', 'string model', 'string, open', 'string, closed', 'supersymmetry, symmetry breaking', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002011'] | ['Non-perturbative features of the derivative expansion of the effective action of a single D3-brane are obtained by considering scattering amplitudes of open and closed strings. This motivates expressions for the coupling constant dependence of world-volume interactions of the form $(\\partial F)^4$ (where $F$ is the ... | ['2000-02-02'] |
4,128 | ['eng'] | ['Curto, C', 'Gates, S J', 'Rodgers, V G J'] | ['Superspace Geometrical Realization of the N-Extended Super Virasoro Algebra and its Dual'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'supersymmetry, superspace', 'geometry', 'commutation relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002010'] | ['We derive properties of N-extended GR super Virasoro algebras. These include adding central extensions, identification of all primary fields and the action of the adjoint representation on its dual. The final result suggest identification with the spectrum of fields in supergravity theories and superstring/M-theory c... | ['2000-02-02'] |
4,129 | ['eng'] | ['Smolin, L'] | ['M theory as a matrix extension of Chern-Simons theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'matrix model', 'M-theory', 'symmetry, Sp(2)', 'algebra, OSp(1/32)', 'spontaneous compactification', 'Hamiltonian formalism', 'constraint', 'effective potential', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002009'] | ['We study a new class of matrix models, the simplest of which is based on an Sp(2) symmetry and has a compactification which is equivalent to Chern-Simons theory on the three-torus. By replacing Sp(2) with the super-algebra Osp(1|32), which has been conjectured to be the full symmetry group of M theory, we arrive at a... | ['2000-02-02'] |
4,130 | ['eng'] | ['Metsaev, R R'] | ['IIB supergravity and various aspects of light-cone formalism in AdS space-time'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/07/27', 'supergravity', 'dimension, 10', 'space-time, anti-de Sitter', 'supersymmetry, superfield', 'light cone gauge', 'energy spectrum, discrete', 'field theory, massless', 'spin, high', 'string model', 'space-time, Minkowski'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002008'] | ['Light-cone gauge manifestly supersymmetric formulation of type IIB 10-dimensional supergravity in $AdS_5 \\times S^5$ background is discussed. The formulation is given entirely in terms of light-cone scalar superfield, allowing us to treat all component fields on an equal footing. Discrete energy spectrum of field pr... | ['2000-02-02'] |
4,131 | ['eng'] | ['Papadopoulos, G J'] | ['Conformal and Superconformal Mechanics'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 1', 'mechanics, conformal', 'magnetic field, background field', 'coupling constant', 'supersymmetry', 'operator, algebra', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002007'] | ['We investigate the conformal and superconformal properties of a non-relativistic spinning particle propagating in a curved background coupled to a magnetic field and with a scalar potential. We derive the conditions on the couplings for a large class of such systems which are necessary in order their actions admit co... | ['2000-02-02'] |
4,132 | ['eng'] | ['Volkov, M S'] | ['The tale of gravitational sphaleron'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/07/27', 'string model', 'dimensional reduction', 'spontaneous compactification', 'gauge field theory, SU(2) x SU(2)', 'supergravity', 'dimension, 4', 'space-time, anti-de Sitter', 'gauge field theory, SU(2) x SU(1,1)', 'gravitation, sphaleron', 'dimension, 10', 'vacuum state, Euclidean', 'membrane m... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002006'] | ['Type I string theory can be dimensionally reduced on group manifolds. The compactification on $S^3\\times S^3$ leads to the N=4 gauged SU(2)$\\times$SU(2) supergravity in four dimensions, which admits the BPS monopole type non-Abelian vacuum. The reduction on $S^3\\times AdS_3$ gives the Euclidean N=4 gauged SU(2)$\\... | ['2000-02-02'] |
4,133 | ['eng'] | ['Kobelev, L Yu'] | ['Multifractality of time and space, covariant derivatives and gauge invariance'] | ['Particle Physics - Theory'] | ['space-time', 'fractals', 'invariance, gauge', 'derivative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002005'] | ['A possibility to represent the standard model of fundamental particles covariant derivatives by means of approximate generalized fractional Riemann-Liouville derivatives of multifractal time and space model is shown.'] | ['2000-02-02'] |
4,134 | ['eng'] | ['Suzuki, T'] | ['A Generalization of the Submodel of Nonlinear $CP^{1}$ Models'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(1)', 'dimension, 2', 'derivative, high', 'field theory, action', 'Baecklund transformation', 'current, conservation law', 'differential equations, solution', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002003'] | ['We generalize the submodel of nonlinear CP^1 models. The generalized models include higher order derivatives. For the systems of higher order equations, we construct a Bäcklund-like transformation of solutions and an infinite number of conserved currents by using the Bell polynomials.'] | ['2000-02-02'] |
4,135 | ['eng'] | ['Mihailescu, M', 'Ramgoolam, S'] | ['Duality and Combinatorics of Long Strings in ADS3'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'space-time, anti-de Sitter', 'duality, O(5,5/Z)', 'soliton, BPS', 'group theory, representation', 'instanton', 'membrane model, D-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002002'] | ['The counting of long strings in ADS3, in the context of Type IIB string theory on $ADS_3 \\times S^3 \\times T^4$, is used to exhibit the action of the duality group $O(5,5;Z)$, and in particular its Weyl Subgroup $S_5 \\bowtie Z_2$, in the non-perturbative phenomena associated with continuous spectra of states in th... | ['2000-02-02'] |
4,136 | ['eng'] | ['Tanaka, S'] | ['Space-Time Quantization and Nonlocal Field Theory -Relativistic Second Quantization of Matrix Model'] | ['Particle Physics - Theory'] | ['quantum space', 'field theory, nonlocal', 'quantization, 2', 'Hamiltonian formalism', 'phase space, Hilbert space', 'matrix model', 'particle, relativistic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0002001'] | ["We propose relativistic second quantization of matrix model of D particles in a general framework of nonlocal field theory based on Snyder-Yang's quantized space-time. Second-quantized nonlocal field is in general noncommutative with quantized space-time, but conjectured to become commutative with light cone time $X^... | ['2000-02-02'] |
4,137 | ['eng'] | ['Evans, J M', 'Hassan, M', 'MacKay, N J', 'Mountain, A J'] | ['Conserved charges and supersymmetry in principal chiral and WZW models'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'model, chiral', 'supersymmetry, superfield', 'dimension, 2', 'charge, conservation law', 'current algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001222'] | ['Conserved and commuting charges are investigated in both bosonic and supersymmetric classical chiral models, with and without Wess-Zumino terms. In the bosonic theories, there are conserved currents based on symmetric invariant tensors of the underlying algebra, and the construction of infinitely many commuting charg... | ['2000-02-01'] |
4,138 | ['eng'] | ['Alves, V S', 'Gomes, M J', 'Pinheiro, S V L', 'Silva, A J'] | ['A Renormalization Group Study of the $(\\phi^{*}\\phi)^{3}$ Model coupled to a Chern-Simons Field'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'phi**n model, 6', 'dimension, 3', 'perturbation theory, higher-order', 'ghost', 'renormalization group', 'symmetry, dynamically broken', 'operator, composite'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001221'] | ['We consider the model of a massless charged scalar field, in (2+1) dimensions, with a self interaction of the form $lambda (\\phi^* \\phi)^3$ and interacting with a Chern Simons field. We calculate the renormalization group Simons field implies in a $\\beta_{\\lambda}$ which suggests that a dynamical symmetry breakdo... | ['2000-02-01'] |
4,139 | ['eng'] | ['López, J A', 'Stephany, J'] | ['Spin Observables and Path Integrals'] | ['Particle Physics - Theory'] | ['particle, spin', 'particle, wave function', 'nonrelativistic', 'path integral', 'algebra, Grassmann', 'Hamiltonian formalism', 'approximation, quasiclassical', 'mathematical methods, variational', 'magnetic field, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001220'] | ['We discuss the formulation of spin observables associated to a non-relativistic spinning particles in terms of grassmanian differential operators. We use as configuration space variables for the pseudo-classical description of this system the positions $x$ and a Grassmanian vector quantum amplitudes as path integrals... | ['2000-02-01'] |
4,140 | ['eng'] | ['Chaichian, Masud', 'Chen, W F', 'Kobayashi, T'] | ['Effects of Trilinear Term in Softly Broken N=1 Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['talk, Tampere 1999/07/15', 'gauge field theory, SU(N)', 'fermion, flavor', 'supersymmetry, symmetry breaking', 'duality', 'critical phenomena', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001219'] | ['Softly broken dual magnetic theory of N=1 supersymmetric SU(N_c) QCD with N_f flavours is investigated with the inclusion of trilinear coupling term of scalar fields in the case of N_f>N_c+1. It is found that the trilinear soft supersymmetric breaking term greatly change the phase and the vacuum structure.'] | ['2000-02-01'] |
4,141 | ['eng'] | ['Kokorelis, C E'] | ['String Loop Threshold Corrections for N=1 Generalized Coxeter Orbifolds'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'orbifold, Coxeter', 'perturbation theory, higher-order', 'renormalization group', 'partition function', 'threshold, correction', 'coupling constant, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001217'] | ['We discuss the calculation of threshold corrections to gauge coupling constants for the, only, non-decomposable class of abelian (2, 2) symmetric N=1 four dimensional heterotic orbifold models, where the internal twist is realized as a generalized Coxeter automorphism. The latter orbifold was singled out in earlier w... | ['2000-02-01'] |
4,142 | ['eng'] | ['West, Peter C'] | ['Automorphisms, Non-linear Realizations and Branes'] | ['Particle Physics - Theory'] | ['M-theory', 'boson, membrane model', 'supersymmetry', 'group theory, representation', 'nonlinear', 'Goldstone theorem', 'differential forms, Cartan', 'embedding'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001216'] | ['The theory of non-linear realizations is used to derive the dynamics of the branes of M theory. A crucial step in this procedure is to use the enlarged automorphism group of the supersymmetry algebra recently introduced. The field strengths of the worldvolume gauge fields arise as some of the Goldstone fields associa... | ['2000-02-01'] |
4,143 | ['eng'] | ['Arefieva, I Y', 'Belov, D M', 'Koshelev, A S'] | ['A Note on UV/IR for Noncommutative Complex Scalar Field'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'perturbation theory, higher-order', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001215'] | ['Noncommutative quantum field theory of a complex scalar field is considered. There is a two-coupling noncommutative analogue of U(1)-invariant quartic interaction $(\\phi^*\\phi)^2$, namely $A\\phi^*\\star\\phi\\star\\phi^*\\star\\phi+ model is nonrenormalizable. However, it is one-loop renormalizable in two special ... | ['2000-02-01'] |
4,144 | ['eng'] | ['Hatsuda, M T', 'Sakaguchi, M'] | ['BPS states carrying fermionic brane charges'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'soliton, BPS', 'supersymmetry, algebra', 'central charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001214'] | ['The Green-Siegel central extension of superalgebras for BPS branes is studied. In these cases commutators of usual bosonic brane charges only with the broken supersymmetry charges allow this central extension. We present an interpretation of these fermionic central charges as fermionic brane charges, and show that th... | ['2000-02-01'] |
4,145 | ['eng'] | ['Cai, R G', 'Ohta, N'] | ['Noncommutative and Ordinary Super Yang-Mills on (D(p-2), Dp) Bound States'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'bound state', 'duality', 'gravitation', 'gauge field theory, U(N)', 'differential geometry, noncommutative', 'any-dimensional', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001213'] | ['We study properties of (D$(p-2)$, D$p$) nonthreshold bound states ($2 \\le p D$p$-branes with a nonzero NS $B$ field of rank two. We find that in the decoupling limit, the thermodynamics of the $N_p$ coincident D$p$-branes with $B$ field is the same not only as that of $N_p$ coincident D$p$-branes without $B$ field, ... | ['2000-02-01'] |
4,146 | ['eng'] | ['Kakushadze, Z'] | ['Geometry of Orientifolds with NS-NS B-flux'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model', 'orientifold', 'torus', 'flux', 'Wilson loop', 'group theory, representation', 'geometry', 'field theory, conformal', 'duality, T-duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001212'] | ['We discuss geometry underlying orientifolds with non-trivial NS-NS B-flux. If D-branes wrap a torus with B-flux the rank of the gauge group is reduced due to non-commuting Wilson lines whose presence is implied by the B-flux. In the case of D-branes transverse to a torus with B-flux the rank reduction is due to a sma... | ['2000-02-01'] |
4,147 | ['eng'] | ['Myung, Y S', 'Lee, H W'] | ['Two Schwarzschild black holes in the dilatonic domain wall'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'domain wall, dilaton', 'effective action', 'zero mode', 'symmetry, rotational', 'Brans-Dicke model', 'potential', 'black hole, stability', 'perturbation theory', 'perturbation, parity', 'perturbation, scalar', 'Randall-Sundrum model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001211'] | ['We study two Schwarzschild black holes as the spherically symmetric solution to the zero mode effective action in the dilatonic domain wall model. This corresponds to the dilatonic version of the Randall-Sundrum(RS) model. Further this can be reduced to the Brans-Dicke(BD) model with the potential, which leads to the... | ['2000-02-01'] |
4,148 | ['eng'] | ['Shirkov, D V', 'Kovalev, V F'] | ['Bogoliubov Renormalization Group and Symmetry of Solution in Mathematical Physics'] | ['Particle Physics - Theory'] | ['talk, Taxco 1999/01/11', 'renormalization group, transformation', 'renormalization group, beta function', 'symmetry', 'geometry', 'critical phenomena', 'optics, nonlinear', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001210'] | ["Evolution of the concept known in the theoretical physics as the Renormalization Group (RG) is presented. The corresponding symmetry, that has been first introduced in QFT in mid-fifties, is a continuous symmetry of a solution with respect to transformation involving parameters (e.g., of boundary condition) specifyin... | ['2000-02-01'] |
4,149 | ['eng'] | ['Braun, V M', 'Candelas, P', 'De la Ossa, X C', 'Grassi, A'] | ['Toric Calabi-Yau Fourfolds, Duality Between N=1 Theories and Divisors that Contribute to the Superpotential'] | ['Particle Physics - Theory'] | ['F-theory', 'field theory, Calabi-Yau', 'duality', 'geometry, algebra', 'potential, superpotential', 'instanton', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001208'] | ["We study issues related to F-theory on Calabi-Yau fourfolds and its duality to heterotic theory for Calabi-Yau threefolds. We discuss principally fourfolds that are described by reflexive polyhedra and show how to read off some of the data for the heterotic theory from the polyhedron. We give a procedure for construc... | ['2000-02-01'] |
4,150 | ['eng'] | ['Kachru, S', 'Schulz, M', 'Silverstein, E'] | ['Self-tuning flat domain walls in 5d gravity and string theory'] | ['Particle Physics - Theory'] | ['string model', 'gravitation', 'dimension, 5', 'domain wall', 'dimension, 4', 'invariance, Poincare', 'membrane model', 'astrophysics, fundamental constant', 'quantization, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001206'] | ["We present Poincare invariant domain wall (``3-brane'') solutions to some 5-dimensional effective theories which can arise naturally in string theory. In particular, we find theories where Poincare invariant solutions exist for arbitrary values of the brane tension, for certain restricted forms of the bulk interactio... | ['2000-02-01'] |
4,151 | ['eng'] | ['Intriligator, K'] | ['Anomaly Matching and a Hopf-Wess-Zumino Term in 6d, N=(2,0) Field Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 6', 'fermion, flavor', 'anomaly', 'Wess-Zumino term', 'transformation, gauge', 'symmetry breaking', 'M-theory', 'membrane model', 'fluctuation', 'field theory, Calabi-Yau'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001205'] | ['We point out that the low energy theory of 6d, N=(2,0) field theories, when away from the origin of the moduli space of vacua, necessarily includes a new kind of Wess-Zumino term. The form of this term is related to the Hopf invariant associated with \\pi_7 (S^4). The coefficient of the Wess-Zumino term is fixed by a... | ['2000-01-31'] |
4,152 | ['eng'] | ['Drukker, N', 'Gross, David J', 'Tseytlin, Arkady A'] | ['Green-Schwarz String in $AdS_{5} x S^{5}'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, anti-de Sitter', 'dimension, 10', 'partition function', 'approximation, quasiclassical', 'dependence, gauge', 'Wilson loop', 'field equations, solution', 'regularization, zeta function', 'path integral, measure', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001204'] | ['A systematic approach to the study of semiclassical fluctuations of strings in AdS_5 x S^5 based on the Green-Schwarz formalism is developed. We show that the string partition function is well defined and finite. Issues related to different gauge choices are clarified. We consider explicitly several cases of classica... | ['2000-01-31'] |
4,153 | ['eng'] | ['Madore, J', 'Schraml, S', 'Schupp, P', 'Wess, J'] | ['Gauge Theory on Noncommutative Spaces'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'quantization, Weyl', 'Hamiltonian formalism', 'differential forms', 'transformation, gauge', 'Seiberg-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001203'] | ['We introduce a formulation of gauge theory on noncommutative spaces based on the concept of covariant coordinates. Some important examples are discussed in detail. A Seiberg-Witten map is established in all cases.'] | ['2000-01-31'] |
4,154 | ['eng'] | ['Broadhurst, D J', 'Kreimer, D'] | ['Towards cohomology of renormalization'] | ['Particle Physics - Theory'] | ['algebra, Hopf', 'commutation relations', 'algebra, representation', 'cohomology', 'renormalization', 'asymptotic expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001202'] | ["The renormalization of quantum field theory twists the antipode of a noncocommutative Hopf algebra of rooted trees, decorated by an infinite set of primitive divergences. The Hopf algebra of undecorated rooted trees, ${\\cal H}_R$, generated by a single primitive divergence, solves a universal problem in Hochschild c... | ['2000-01-31'] |
4,155 | ['eng'] | ['Taylor, W'] | ['D-brane effective field theory from string field theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'effective action', 'membrane model, D-brane', 'field theory, massless', 'tachyon, condensation', 'Born-Infeld model, nonabelian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001201'] | ['Open string field theory is considered as a tool for deriving the effective action for the massless or tachyonic fields living on D-branes. Some simple calculations are performed in open bosonic string field theory which validate this approach. The level truncation method is used to calculate successive approximation... | ['2000-01-31'] |
4,156 | ['eng'] | ['Gomis, J P'] | ['D-branes on Orbifolds with Discrete Torsion And Topological Obstruction'] | ['Particle Physics - Theory'] | ['string model', 'string, closed', 'string, open', 'membrane model, D-brane', 'orbifold', 'torsion, discrete', 'topology', 'K-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001200'] | ['We find the orbifold analog of the topological relation recently found by Freed and Witten which restricts the allowed D-brane configurations of Type II vacua with a topologically non-trivial flat B-field. The result relies in Douglas proposal - which we derive from worldsheet consistency conditions - of embedding pr... | ['2000-01-31'] |
4,157 | ['eng'] | ["Figueroa-O'Farrill, J M", 'Stanciu, S'] | ['D-branes in $AdS_{3} x S^{3} x S^{3} x S^{1}$'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'space-time, anti-de Sitter', 'supergravity', 'field equations, solution', 'phase space, boundary condition', 'symmetry, SU(2) x SU(2)', 'group theory, Lie', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001199'] | ['We analyse the possible D-brane configurations in an AdS_3xS^3xS^3xS^1 background with a NS-NS B field, by using the boundary state formalism. We study their geometry and we determine the fraction of spacetime supersymmetry preserved by these solutions.'] | ['2000-01-31'] |
4,158 | ['eng'] | ['Schellekens, A N'] | ['Open strings, simple currents and fixed points'] | ['Particle Physics - Theory'] | ['talk, Istanbul 1999/08/16', 'string model', 'string, open', 'string, closed', 'invariance, modular', 'partition function', 'current, transformation', 'sum rule', 'Riemann surfaces', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001198'] | ['Some applications of simple current techniques and fixed point resolution to theories of open strings are discussed. In addition to a brief review of work presented in two recent papers with L. Huiszoon and N. Sousa, some new results concerning uniqueness of crosscap coefficients are presented, as well as a strange s... | ['2000-01-31'] |
4,159 | ['eng'] | ['Borstnik, N M', 'Nielsen, Holger Bech'] | ['Unification of spins and charges in Grassmann space and in space of differential forms'] | ['Particle Physics - Theory'] | ['talk, Bled 1999/07/22', 'talk, Ixtapa-Zihuatanejo 1999/06/27', 'Dirac equation', 'Dirac-Kaehler equation', 'space-time, Grassmann', 'transformation, Lorentz', 'particle, massless', 'any-dimensional', 'gauge field theory', 'group theory, representation', 'symmetry, spontaneously broken', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001196'] | ["Polynomials in Grassmann space can be used to describe all the internal degrees of freedom of spinors, scalars and vectors, that is their spins and charges. It was shown that Kähler spinors, which are polynomials of differential forms, can be generalized to describe not only spins of spinors but also spins of vectors... | ['2000-01-31'] |
4,160 | ['eng'] | ['Burdík, C', 'Pashnev, A I', 'Tsulaia, M M'] | ['Auxiliary representations of Lie algebras and the BRST constructions'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, Becchi-Rouet-Stora', 'algebra, representation', 'Fock space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001195'] | ['The method of construction of auxiliary representations for a given Lie algebra is discussed in the framework of the BRST approach. The corresponding BRST charge turns out to be non -- hermitian. This problem is solved by the introduction of the additional kernel operator in the definition of the scalar product in th... | ['2000-01-31'] |
4,161 | ['eng'] | ['Donets, E E', 'Pashnev, A I', 'Rosales, J J', 'Tsulaia, M M'] | ['Partial supersymmetry breaking in Multidimensional N=4 SUSY QM'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/07/27', 'quantum mechanics', 'supersymmetry, symmetry breaking', 'supersymmetry, algebra', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001194'] | ['The multidimensional N=4 supersymmetric quantum mechanics (SUSY QM) is constructed and the various possibilities for partial supersymmetry breaking are discussed. It is shown that quantum mechanical models with one quarter, one half and three quarters of unbroken(broken) supersymmetries can exist in the framework of ... | ['2000-01-31'] |
4,162 | ['eng'] | ['Li, M'] | ["A Note On Relation Between Holographic RG Equation And Polchinski's RG Equation"] | ['Particle Physics - Theory'] | ['matrix model, action', 'dimension, 0', 'renormalization group, transformation', 'holography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001193'] | ["We clarify the relation between the recently formulated holographic renormalization group equation and Polchinski's exact renormalization group equation."] | ['2000-01-31'] |
4,163 | ['eng'] | ['Nojiri, S', 'Odintsov, S D', 'Zerbini, S'] | ['Quantum (in)stability of dilatonic AdS backgrounds and holographic renormalization group with gravity'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space-time, stability', 'dilaton, coupling', 'matter, conformal', 'dimension, 4', 'black hole, production', 'dimension, 2', 'renormalization group, holography', 'effective action', 'dimension, 5', 'gravitation', 'Randall-Sundrum model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001192'] | ['Stability of dilatonic AdS spaces due to quantum effects of dilaton coupled conformal matter is considered. When such spaces do not exist on classical level, their dynamical generation occurs. Explicit examples corresponding to quantum creation of d4 dilatonic AdS Universe and of d2 dilatonic AdS Black Hole (BH) are ... | ['2000-01-31'] |
4,164 | ['eng'] | ['Chalmers, G'] | ['S and U-duality Constraints on IIB S-matrices'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'duality, constraint', 'dimension, 10', 'scattering amplitude, higher-order', 'expansion, derivative', 'effective action', 'invariance, modular', 'analytic properties', 'spontaneous compactification, torus', 'symmetry, SL(2,Z)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001190'] | ['S and U-duality dictate that graviton scattering amplitudes in IIB superstring theory be automorphic functions on the appropriate fundamental domain which describe the inequivalent vacua of (compactified) theories. A constrained functional form of graviton scattering is proposed using Eisenstein series and their gene... | ['2000-01-28'] |
4,165 | ['eng'] | ['Sethi, S K', 'Stern, M'] | ['Invariance Theorems for Supersymmetric Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'symmetry, flavor', 'symmetry, Spin(5) x SU(2)', 'ground state', 'membrane model, D-brane', 'membrane model, p-brane', 'membrane model, bound state', 'algebra, quaternion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001189', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We consider quantum mechanical Yang-Mills theories with eight supercharges and a $Spin(5) \\times SU(2)_R$ flavor symmetry. We show that all normalizable ground states in these gauge theories are invariant under this flavor symmetry. This includes, as a special case, all bound states of D0-branes and D4-branes. As a ... | ['2000-01-28'] |
4,166 | ['eng'] | ['Akemann, G', 'Kanzieper, E'] | ['Spectra of massive and massless QCD Dirac operators'] | ['Particle Physics - Theory'] | ['matrix model, random', 'matrix model, chiral', 'operator, Dirac', 'fermion, massless', 'fermion, massive', 'fermion, flavor', 'energy spectrum', 'partition function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001188'] | ['We show that internal integrable structure of chiral random matrix models incorporating global symmetries of QCD Dirac operators (labeled by the Dyson index beta = 1, 2 and 4) leads to emergence of a connection relation between the microscopic spectra of massive and massless Dirac operators. This novel link establish... | ['2000-01-28'] |
4,167 | ['eng'] | ['Gaete, P'] | ['Some remarks about gauge-invariant Yang-Mills fields'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'path integral', 'loop space', 'Poincare gauge', 'axial gauge', 'fermion', 'Hamiltonian formalism', 'energy', 'quark antiquark, potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001187'] | ['In order to eliminate gauge variant degrees of freedom we study the way to introduce gauge invariant fields in pure non-Abelian Yang-Mills theory. Our approach is based on the use of the gauge-invariant but path-dependent variables formalism. It is shown that for a special class of paths these fields coincide with th... | ['2000-01-28'] |
4,168 | ['eng'] | ['Dubovsky, S L'] | ['Orbifold projection in supersymmetric QCD at $N_{f}\\leq N_{c}$'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'fermion, flavor', 'orbifold', 'coupling constant', 'effective potential', 'charge, topological', 'soliton, topological', 'expansion 1/N, color', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001186'] | ['Supersymmetric orbifold projection of N=1 SQCD with relatively small number of flavors (not larger than number of colors) is considered. The purpose is to check whether orbifolding commutes with the infrared limit. On the one hand, one considers the orbifold projection of SQCD and obtains the low-energy description o... | ['2000-01-28'] |
4,169 | ['eng'] | ['Dorey, P', 'Dunning, C', 'Tateo, R'] | ['New families of flows between two-dimensional conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'model, minimal', 'renormalization group, transformation', 'integral equations', 'central charge', 'analytic properties', 'perturbation theory', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001185'] | ['We present evidence for the existence of infinitely-many new families of renormalisation group flows between the nonunitary minimal models of conformal field theory. These are associated with perturbations by the $\\phi_{21}$ and In all of the new flows, the finite-volume effective central charge is a non-monotonic f... | ['2000-01-28'] |
4,170 | ['eng'] | ['Edelstein, J D', 'García-Fuertes, W', 'Mas, J', 'Guilarte, J M'] | ['Phases of dual superconductivity and confinement in softly broken N=2 supersymmetric Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry, symmetry breaking', 'supersymmetry, potential', 'flux tube, electric', 'model, superconducting', 'bound state', 'gauge field theory, U(1)', 'Higgs model, abelian', 'effective Lagrangian', 'scaling', 'vacuum state', 'confinement', 'vortex, BPS', 'string tension', 'Bogomolnyi... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001184'] | ['We study the electric flux tubes that undertake color confinement in N=2 supersymmetric Yang-Mills theories softly broken down to N=1 by perturbing with the first two Casimir operators. The relevant Abelian Higgs model is not the standard one due to the presence of an off-diagonal coupling among different magnetic U(... | ['2000-01-28'] |
4,171 | ['eng'] | ['Papantonopoulos, E', 'Pappa, I'] | ['Type 0 Brane Inflation from Mirage Cosmology'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'dimension, 3', 'inflationary universe', 'dilaton', 'tachyon', 'space-time, anti-de Sitter', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001183'] | ['We consider a three-dimensional brane-universe moving in a Type 0 String background. The motion induces on the brane a cosmological evolution which, for some range of the parameters, exhibits an inflationary phase.'] | ['2000-01-28'] |
4,172 | ['eng'] | ['Grosse, Harald', 'Krajewski, T', 'Wulkenhaar, R'] | ['Renormalization of noncommutative Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'perturbation theory, higher-order', 'Feynman graph, planar', 'analytic properties', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001182'] | ['We prove by explicit calculation that Feynman graphs in noncommutative Yang-Mills theory made of repeated insertions into itself of arbitrarily many one-loop ghost propagator corrections are renormalizable by local counterterms. This provides a strong support for the renormalizability conjecture of that model.'] | ['2000-01-28'] |
4,173 | ['eng'] | ['Caselle, M', 'Hasenbusch, M', 'Provero, P', 'Zarembo, K'] | ['Bound states in the three dimensional $\\phi^{4}$ model'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'symmetry, spontaneously broken', 'bound state', 'effective potential', 'lattice field theory', 'Ising model', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001181'] | ['We discuss the spectrum of the three dimensional phi^4 theory in the broken symmetry phase. In this phase the effective potential between the elementary quanta of the model is attractive and bound states of two or more of them may exist. We give theoretical and numerical evidence for the existence of these bound stat... | ['2000-01-28'] |
4,174 | ['eng'] | ['Larsen, A L', 'Sánchez, N'] | ['Quantum Coherent String States in $AdS_{3}$ and SL(2,R) WZWN Model'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, SL(2,R)', 'string model', 'quantization', 'phase space', 'space-time, anti-de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001180'] | ["In this paper we make the connection between semi-classical string quantization and exact conformal field theory quantization of strings in 2+1 Anti de Sitter spacetime. More precisely, considering the WZWN model corresponding to SL(2,R) and its covering group, we construct quantum {\\it coherent} string states, whic... | ['2000-01-28'] |
4,175 | ['eng'] | ['Taylor-Robinson, M M'] | ['Holography for degenerate boundaries'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'field theory, Euclidean', 'boundary condition', 'correlation function', 'holography', 'supergravity', 'field theory, scalar', 'regularization', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001177'] | ['We discuss the AdS/CFT correspondence for negative curvature Einstein manifolds whose conformal boundary is degenerate in the sense that it is of codimension greater than one. In such manifolds, hypersurfaces of constant radius do not blow up uniformly as one increases the radius; examples include products of hyperbo... | ['2000-01-27'] |
4,176 | ['eng'] | ['Ghosh, A', 'Pollifrone, G', 'Veneziano, Gabriele'] | ['Pre-Big Bang Cosmology and Quantum Fluctuations'] | ['Particle Physics - Theory'] | ['talk, Villasimius 1999/09/14', 'inflationary universe', 'vacuum state, fluctuation', 'perturbation, tensor', 'perturbation, scalar', 'particle, production'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001176'] | ['The quantum fluctuations of a homogeneous, isotropic, open pre-big bang model are discussed. By solving exactly the equations for tensor and scalar perturbations we find that particle production is negligible during the perturbative Pre-Big Bang phase.'] | ['2000-01-27'] |
4,177 | ['eng'] | ['Brückmann, H', 'Heinzl, T', 'Tok, T', 'Wipf, A'] | ['Instantons and Gribov Copies in the Maximally Abelian Gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge, abelian', 'Gribov problem', 'ghost', 'zero mode', 'instanton, background field', 'bound state', 'potential', 'wave function', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001175'] | ['We calculate the Faddeev-Popov operator corresponding to the maximally Abelian gauge for gauge group SU(N). Specializing to SU(2) we look for explicit zero modes of this operator. Within an illuminating toy model (Yang-Mills mechanics) the problem can be completely solved and understood. In the field theory case we a... | ['2000-01-27'] |
4,178 | ['eng'] | ['Picariello, M', 'Quadri, A'] | ['Higher Order Anomaly Consistency Conditions'] | ['Particle Physics - Theory'] | ['gauge field theory', 'transformation, Becchi-Rouet-Stora', 'Slavnov identity', 'anomaly', 'perturbation theory, higher-order', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001174'] | ['We study the Slavnov-Taylor Identities (STI) breaking terms, up to the second order in perturbation theory. We investigate which requirements are needed for the first order Wess-Zumino consistency condition to hold true at the next order in perturbation theory. We find that: a) If the cohomologically trivial contribu... | ['2000-01-27'] |
4,179 | ['eng'] | ['Dittrich, W', 'Shaisultanov, R Z'] | ['Vacuum Polarization in QED with World-Line Methods'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'path integral', 'effective action', 'perturbation theory, higher-order', 'vacuum polarization', 'fermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001171'] | ['Motivated by several recent papers on string-inspired calculations in QED, we here present our own use of world-line techniques in order to calculate the vacuum polarization and effective action in scalar and spinor QED with external arbitrary constant electromagnetic field configuration.'] | ['2000-01-27'] |
4,180 | ['eng'] | ['Houart, L', 'Lozano, Y'] | ['Brane Descent Relations in M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model', 'soliton, BPS', 'bound state', 'supergravity', 'dimension, 10', 'dimension, 11'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001170'] | ['We discuss how the BPS branes of M-theory could be described as bound states of non-BPS M10-branes. This conjectured M10-brane is constructed as an unstable spacetime-filling brane in the massive eleven dimensional supergravity defined with a Killing direction, such that 1) the BPS M9-brane is obtained after the tach... | ['2000-01-26'] |
4,181 | ['eng'] | ['Howe, Paul S', 'Kaya, A', 'Sezgin, E', 'Sundell, P'] | ['Codimension One Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'any-dimensional', 'embedding', 'supersymmetry, superspace', 'potential, superpotential', 'field theory, action', 'differential forms', 'multiplet', 'field theory, action', 'symmetry, Sp(1)', 'Bianchi identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001169'] | ['We study codimension one branes, i.e. p-branes in (p+2)-dimensions, in the superembedding approach for the cases where the worldvolume superspace is embedded in a minimal target superspace with half supersymmetry breaking. This singles out the cases p=1,2,3,5,9. For p=3,5,9 the superembedding geometry naturally invol... | ['2000-01-26'] |
4,182 | ['eng'] | ['Mironov, A E', 'Morozov, A'] | ['Double Elliptic Systems'] | ['Particle Physics - Theory'] | ['talk, Dubna 1999/07/26', 'differential equations, nonlinear', 'Hamiltonian formalism', 'integrability', 'symmetry, SU(2)', 'Seiberg-Witten model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001168'] | ['This talk presents a list of problems related to the double-elliptic (Dell) integrable systems with elliptic dependence on both momenta and coordinates. As expected, in the framework of Seiberg-Witten theory the recently discovered explicit self-dual family of 2-particle Dell Hamiltonians provides a perturbative peri... | ['2000-01-26'] |
4,183 | ['eng'] | ['Sheikh-Jabbari, S'] | ['Discrete Symmetries (C,P,T) in Noncommutative Field Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'symmetry, discrete', 'symmetry, transformation', 'quantum electrodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001167'] | ['In this paper we study the invariance of the noncmmutative gauge theories under C, P and T transformations. For the noncommutative space (when only the spatial part of $\\theta$ is non-zero) we show that NCQED is Parity invariant. In addition, we show that under charge conjugation the theory on \\nc $R^4_{\\theta}$ i... | ['2000-01-26'] |
4,184 | ['eng'] | ['Youm, D'] | ['A Note on Solitons in Brane Worlds'] | ['Particle Physics - Theory'] | ['gravitation', 'domain wall, dilaton', 'any-dimensional', 'effective action', 'zero mode', 'Kaluza-Klein model', 'spontaneous compactification', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001166'] | ['We obtain the zero mode effective action for gravitating objects in the bulk of dilatonic domain walls. Without additional fields included in the bulk action, the zero mode effective action reproduces the action in one lower dimensions obtained through the ordinary Kaluza-Klein (KK) compactification, only when the tr... | ['2000-01-26'] |
4,185 | ['eng'] | ['Ivanov, E', 'Valent, G'] | ['Quaternionic metrics from harmonic superspace'] | ['Particle Physics - Theory'] | ['supergravity, conformal', 'sigma model, nonlinear', 'supersymmetry, superfield', 'superspace, harmonic', 'field theory, action', 'potential, Kaehler', 'quaternion', 'space-time', 'Wess-Zumino gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001165'] | ['Starting from the most general harmonic superspace action of self-interacting Q^+ hypermultiplets in the background of N=2 conformal supergravity, we derive the general action for the bosonic sigma model with a generic 4n dimensional quaternionic-Kahler (QK) manifold as the target space. The action is determined by t... | ['2000-01-26'] |
4,186 | ['eng'] | ['Adam, C', 'Muratori, B', 'Nash, C'] | ['Multiple zero modes of the Dirac operator in three dimensions'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'space-time, sphere', 'gauge field theory, U(1)', 'dimension, 3', 'zero mode', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001164'] | ['One of the key properties of Dirac operators is the possibility of a degeneracy of zero modes. For the Abelian Dirac operator in three dimensions the construction of multiple zero modes has been sucessfully carried out only very recently. Here we generalise these results by discussing a much wider class of Dirac oper... | ['2000-01-26'] |
4,187 | ['eng'] | ['Adam, C', 'Muratori, B', 'Nash, C'] | ['Hopf instantons and the Liouville equation in target space'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'fermion', 'dimension, 3', 'instanton, Hopf', 'field equations, Liouville', 'magnetic field, background field', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001163'] | ['We generalise recent results on Hopf instantons in a Chern--Simons and Fermion theory in a fixed background magnetic field. We find that these instanton solutions have to obey the Liouville equation in target space. As a consequence, these solutions are given by a class of Hopf maps that consist of the composition of... | ['2000-01-26'] |
4,188 | ['eng'] | ['Schön, V', 'Thies, M'] | ['Decompactification of space or time in large N $QCD_{2}$'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 2', 'space, cylinder', 'expansion 1/N', 'Hamiltonian formalism', 'fermion, condensation', 'Hartree-Fock approximation', 'vacuum state', 'energy, density', 'temperature, dependence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001162'] | ["QCD_2 with fundamental quarks on a cylinder is solved to leading order in the 1/N expansion, including the zero mode gluons. As a result of the non-perturbative dynamics of these gauge degrees of freedom, the compact space-time direction gets effectively decompactified. In a thermodynamic interpretation, this implies... | ['2000-01-26'] |
4,189 | ['eng'] | ['Sasakura, N'] | ['Space-time uncertainty relation and Lorentz invariance'] | ['Particle Physics - Theory'] | ['space-time, model', 'invariance, Lorentz', 'uncertainty relations', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001161'] | ['We discuss a Lorentz covariant space-time uncertainty relation, which agrees with that of Karolyhazy-Ng-Dam when an observational time period delta t is larger than the Planck time lp. At delta t < lp, this uncertainty relation takes roughly the form delta t delta x > lp^2, which can be derived from the condition pro... | ['2000-01-26'] |
4,190 | ['eng'] | ['Aoyama, S'] | ['The four-fermi coupling of the supersymmetric non-linear $\\sigma$-model on $G/S\\Theta{U(1)}^{k}$'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'dimension, 2', 'coset space, Kaehler', 'four-fermion interaction', 'group theory, geometrical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001160'] | ['The reducible Kähler coset space G/SøtimesU(1)^k is discussed in a geometrical approach. We derive the formula which expresses the Riemann curvature of the reducible Kähler coset space in terms of its Killing vectors. The formula manifests the group structure of G. On the basis of this formula we establish an algebra... | ['2000-01-26'] |
4,191 | ['eng'] | ['Behrndt, K', 'Cvetic, M'] | ['Anti-de Sitter Vacua of Gauged Supergravities with 8 Supercharges'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, abelian', 'multiplet, vector', 'supersymmetry', 'charge', 'dimension, 4', 'dimension, 5', 'field theory, scalar', 'space-time, anti-de Sitter', 'domain wall'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001159'] | ['We investigate supersymmetric extrema of Abelian gauged supergravity theories with non-trivial vector multiplets and 8 supercharges in four and five dimensions. The scalar fields of these models parameterize a manifold consisting of disconnected branches and restricting to the case where this manifold has a non-singu... | ['2000-01-25'] |
4,192 | ['eng'] | ['Costé, A', 'Gannon, T', 'Ruelle, P'] | ['Finite group modular data'] | ['Particle Physics - Theory'] | ['group theory, finite', 'algebra, affine', 'field theory, conformal', 'field theory, rational', 'dimension, 2', 'transformation, modular', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001158'] | ['In a remarkable variety of contexts appears the modular data associated to finite groups. And yet, compared to the well-understood affine algebra modular data, the general properties of this finite group modular data has been poorly explored. In this paper we undergo such a study. We identify some senses in which the... | ['2000-01-25'] |
4,193 | ['eng'] | ['Dine, Michael'] | ['Some Reflections on Moduli, Their Stabilization and Cosmology'] | ['Particle Physics - Theory'] | ['talk, Santa Barbara 1999/11/17', 'string model', 'moduli space, stability', 'nonperturbative', 'supersymmetry', 'inflationary universe', 'potential, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001157'] | ['We review some aspects of moduli in string theory. We argue that one should focus on {\\it approximate moduli spaces}, and that there is evidence that such spaces exist non-perturbatively. We ask what it would mean for string theory to predict low energy supersymmetry. Aspects of two proposed mechanisms for fixing th... | ['2000-01-25'] |
4,194 | ['eng'] | ['Ramos, R O', 'Navarro, F A R'] | ['Chaotic Symmetry Breaking and Dissipative Two-Field Dynamics'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, dynamically broken', 'effective action', 'field equations, solution', 'chaos', 'dissipation', 'fractals', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001156'] | ['The dynamical symmetry breaking in a two-field model is studied by numerically solving the coupled effective field equations. These are dissipative equations of motion that can exhibit strong chaotic dynamics. By choosing very general model parameters leading to symmetry breaking along one of the field directions, th... | ['2000-01-25'] |
4,195 | ['eng'] | ['Heumann, R', 'Manton, N S'] | ['Classical Supersymmetric Mechanics'] | ['Particle Physics - Theory'] | ['supersymmetry', 'dimension, 2', 'coupling, Yukawa', 'dimensional reduction', 'mechanics, classical', 'Hamiltonian formalism', 'field equations, solution', 'energy levels'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001155'] | ['We analyse a supersymmetric mechanical model derived from (1+1)-dimensional field theory with Yukawa interaction, assuming that all physical variables take their values in a Grassmann algebra B. Utilizing the symmetries of the model we demonstrate how for a certain class of potentials the equations of motion can be s... | ['2000-01-25'] |
4,196 | ['eng'] | ['Eslami, P', 'Zakrzewski, W J', 'Sarbishaei, M'] | ['Baby Skyrme models for a class of potentials'] | ['Particle Physics - Theory'] | ['Skyrme model', 'potential', 'dimension, 3', 'field equations, solution', 'energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001153'] | ['We consider a class of (2+1) dimensional baby Skyrme models with potentials that have more than one vacum. These potentials are generalisation of old and new baby Skyrme models;they involve more complicated dependence on phi_3.We find that when the potential is invariant under phi_3 -> -phi_3 the configuration corres... | ['2000-01-25'] |
4,197 | ['eng'] | ['Lahiri, A'] | ['A nilpotent symmetry of quantum gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'effective action', 'transformation, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001152'] | ['I construct a nilpotent symmetry of gauge theories, similar to the Becchi-Rouet-Stora-Tyutin symmetry. This symmetry depends on the gauge-fixing fermion, and for linear gauges can be elevated to a symmetry of the quantum theory and used in the construction of the quantum effective action.'] | ['2000-01-25'] |
4,198 | ['eng'] | ['Fioravanti, D', 'Stanishkov, M'] | ['Hidden local, quasi-local and non-local Symmetries in Integrable Systems'] | ['Particle Physics - Theory'] | ['integrability', 'Korteweg-de Vries equation', 'transfer matrix', 'transformation, dressing', 'hierarchy', 'asymptotic behavior', 'hidden symmetry', 'algebra, Virasoro', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001151'] | ['The knowledge of {\\it non usual} and sometimes {\\it hidden} symmetries of (classical) integrable systems provides a very powerful setting-out of solutions of these models. Primarily, the understanding and possibly the quantisation of intriguing symmetries could give rise to deeper insight into the nature of field s... | ['2000-01-25'] |
4,199 | ['eng'] | ['Bandos, I A'] | ['Super-D0-branes at the endpoints of fundamental superstring'] | ['Particle Physics - Theory'] | ['talk, Moscow 1999/07/27', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'string model', 'supersymmetry', 'membrane model, interaction', 'field theory, action', 'differential forms', 'transformation, gauge', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0001150'] | ['We present a supersymmetric action functional for the coupled system of an open fundamental superstring and super-D0-branes attached to (identified with) the string endpoints. As a preliminary step the geometrical actions for a free super-D0-brane and a free type IIA superstring have been built. The pure bosonic limi... | ['2000-01-25'] |
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