Unnamed: 0 int64 0 18.1k | language stringclasses 4
values | creator stringlengths 2 137 | title stringlengths 2 217 | subject stringclasses 15
values | keyword stringlengths 10 597 | identifier stringlengths 82 244 | description stringlengths 2 2.3k | date stringlengths 14 14 |
|---|---|---|---|---|---|---|---|---|
3,200 | ['eng'] | ['Berg, B A'] | ['The transformations of non-abelian gauge fields under translations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, scalar', 'invariance, translation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006045'] | ["I consider infinitesimal translations $x'^{\\alpha}=x^{\\alpha}+\\delta x^{\\alpha}$ and demand that Noether's approach gives a symmetric energy-momentum tensor as it is required for gravitational sources. This argument determines the transformations of non-abelian gauge fields under infinitesimal translations to dif... | ['2000-06-07'] |
3,201 | ['eng'] | ['Gorsky, A S', 'Selivanov, K'] | ['Big Bang in $AdS_{5}$ with external field and flat 4d Universe'] | ['Particle Physics - Theory'] | ['membrane model', 'effective action', 'space-time, anti-de Sitter', 'external field', 'astrophysics, model', 'dimension, 5', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006044'] | ['We describe spontaneous creation of the Brane World in $AdS_{5}$ with external field. The resulting Brane World consists of a flat 4d spatially finite expanding Universe and curved expanding "regulator" branes. No negative tension branes are involved.'] | ['2000-06-07'] |
3,202 | ['eng'] | ['Dhar, A', 'Wadia, S R'] | ['Noncritical Strings, RG Flows and Holography'] | ['Particle Physics - Theory'] | ['string model', 'background field', 'partition function', 'sigma model, nonlinear', 'holography', 'invariance, reparametrization', 'renormalization group, transformation', 'field theory, Liouville', 'boundary condition', 'Hamilton-Jacobi equation', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006043'] | ["We derive an RG flow equation that is satisfied by the regularized partition function for noncritical strings in background fields. The flow refers to change in the position of a ``boundary'' in the liouville direction. The boundary is required to regularize the ultraviolet divergences in the partition function comin... | ['2000-06-07'] |
3,203 | ['eng'] | ['Constantinescu, F', 'Scharf, G'] | ['Chiral Charged Fermions, One Dimensional Quantum Field Theory and Vertex Algebra'] | ['Particle Physics - Theory'] | ['dimension, 1', 'fermion, charged particle', 'fermion, chiral', 'phase space, Fock space', 'operator, algebra', 'algebra, vertex'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006042'] | ['We give an explicit $L^2$-representation of chiral charged fermions using the Hardy-Lebesgue octant decomposition. In the " pure" case such a representation was already used by M. Sato in holonomic field theory. We study both "pure" and " mixed" cases. In the compact case we rigorously define unsmeared chiral charged... | ['2000-06-07'] |
3,204 | ['eng'] | ['Schvellinger, M'] | ['Confining strings, Wilson loops and extra dimensions'] | ['Particle Physics - Theory'] | ['boson, string model', 'confinement', 'Wilson loop', 'dimension, >4', 'renormalization group, beta function', 'energy', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006041'] | ['We study solutions of the one-loop beta-functions of the critical bosonic string theory in the framework of the Renormalization Group (RG) approach to string theory, considering explicitly the effects of the 21 extra dimensions. In the RG approach the 26-dimensional manifold is given in terms of a four dimensional Mi... | ['2000-06-07'] |
3,205 | ['eng'] | ['Esposito, G'] | ['Quantum Field Theory from First Principles'] | ['Particle Physics - Theory'] | ['talk, Londrina 2000/04/17', 'quantum gravity, Euclidean', 'boundary condition', 'transformation, diffeomorphism', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006040'] | ['When quantum fields are studied on manifolds with boundary, the corresponding one-loop quantum theory for bosonic gauge fields with linear covariant gauges needs the assignment of suitable boundary conditions for elliptic differential operators of Laplace type. There are however deep reasons to modify such a scheme a... | ['2000-06-07'] |
3,206 | ['eng'] | ['Higashijima, K', 'Nitta, M'] | ['Geometry and the Low Energy Theorem in N=1 Supersymmetric Theories'] | ['Particle Physics - Theory'] | ['supersymmetry', 'low-energy theorem', 'symmetry, spontaneously broken', 'vacuum state', 'coset space', 'geometry', 'sigma model, nonlinear', 'symmetry, O(N)', 'differential geometry, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006038'] | ['We investigate the geometrical structure and the low energy theorem of N=1 supersymmetric nonlinear sigma models in four dimensions. When the global symmetry spontaneously breaks down to its subgroup, the low-energy effective Lagrangian of massless particles is described by the supersymmetric nonlinear sigma model wh... | ['2000-06-07'] |
3,207 | ['eng'] | ['Awad, A M', 'Johnson, C V'] | ['Scale Vs. Conformal Invariance in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'any-dimensional', 'partition function', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006037'] | ["We present two examples of non-trivial field theories which are scale invariant, but not conformally invariant. This is done by placing certain field theories, which are conformally invariant in flat space, onto curved backgrounds of a specific type. We define this using the AdS/CFT correspondence, which relates the ... | ['2000-06-07'] |
3,208 | ['eng'] | ['Baulieu, L', 'Grassi, P A', 'Zwanziger, D'] | ['Gauge and Topological Symmetries in the Bulk Quantization of Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'invariance, Becchi-Rouet-Stora', 'symmetry, topological', 'dependence, gauge', 'Ward identity', 'quantization', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006036'] | ['A gauge theory with 4 physical dimensions can be consistently expressed as a renormalizable topological quantum field theory in 5 dimensions. We extend the symmetries in the 5-dimensional framework to include not only a topological BRST operator S that encodes the invisibility of the "bulk" (the fifth dimension), but... | ['2000-08-30'] |
3,209 | ['eng'] | ['Fabbri, A', 'Navarro, D J', 'Navarro-Salas, J'] | ['Quantum evolution of near-extremal Reissner-Nordstrom black holes'] | ['Particle Physics - Theory'] | ['black hole, Reissner-Nordstroem', 'space-time, anti-de Sitter', 'radiation, Hawking', 'gravitation, action', 'field theory, scalar', 'approximation, quasiclassical', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006035'] | ['We study the near-horizon AdS_2\\timesS^2 geometry of evaporating near-extremal Reissner-Nordstrom black holes interacting with null matter. The non-local (boundary) terms t_{\\pm}, coming from the effective theory corrected with the quantum Polyakov-Liouville action, are treated as dynamical variables. We describe a... | ['2000-08-30'] |
3,210 | ['eng'] | ['Koepsell, K', 'Nicolai, Hermann C', 'Samtleben, H'] | ['An exceptional geometry for d=11 supergravity?'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'invariance, SO(16) x SO(2,1)', 'algebra, constraint', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006034'] | ['We analyze the algebraic constraints of the generalized vielbein in SO(1,2) x SO(16) invariant d=11 supergravity, and show that the bosonic degrees of freedom of d=11 supergravity, which become the physical ones upon reduction to d=3, can be assembled into an E_8-valued vielbein already in eleven dimensions. A crucia... | ['2000-08-30'] |
3,211 | ['eng'] | ['Angelantonj, Carlo', 'Blumenhagen, R', 'Gaberdiel, M R'] | ['Asymmetric Orientifolds, Brane Supersymmetry Breaking and Non-BPS Branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'spontaneous compactification, torus', 'dimension, 6', 'membrane model, D-brane', 'membrane model, p-brane', 'perturbation theory, higher-order', 'analytic properties', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006033'] | ['A new class of six-dimensional asymmetric orientifolds is considered where the orientifold operation is combined with T-duality. The models are supersymmetric in the bulk, but the cancellation of the tadpoles requires the introduction of brane configurations that break supersymmetry. These can be described by D7-bran... | ['2000-08-30'] |
3,212 | ['eng'] | ['Deriglazov, A A'] | ['String action with multiplet of $\\Theta$-terms and the hidden Poincare symmetry'] | ['Particle Physics - Theory'] | ['string model', 'field theory, action', 'Theta parameter', 'dimension, 27', 'algebra, Poincare', 'constraint, Virasoro', 'quantization, 1', 'Hamiltonian formalism', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006032'] | ['We study string action with multiplet of $\\Theta$-terms added, which turns out to be closely related with the bosonic sector of D=11 superstring action [3,4]. An appropriate set of variables is find, in which the light-cone quantization turns out to be possible. It is shown that anomaly terms in the algebra of the l... | ['2000-08-30'] |
3,213 | ['eng'] | ['Blagojevic, M'] | ['Hamiltonian structure and gauge symmetries of Poincare gauge theory'] | ['Particle Physics - Theory'] | ['talk, Dresden 2000/03/20', 'gauge field theory, Poincare', 'transformation, gauge', 'Hamiltonian formalism', 'algebra, constraint', 'conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006031'] | ['This is a review of the constrained dynamical structure of Poincare gauge theory which concentrates on the basic canonical and gauge properties of the theory, including the identification of constraints, gauge symmetries and conservation laws. As an interesting example of the general approach we discuss the teleparal... | ['2000-08-30'] |
3,214 | ['eng'] | ['Kogan, I I', 'Mouslopoulos, S', 'Papazoglou, A', 'Ross, Graham G'] | ['Multi-Brane Worlds and modification of gravity at large scales'] | ['Particle Physics - Theory'] | ['membrane model', 'gravitation, correction', 'Kaluza-Klein model', 'dimension, 5', 'dimension, 4', 'membrane, interaction', 'membrane, tension', 'potential', 'analytic properties', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006030'] | ["We discuss the implications of multi-brane constructions involving combinations of positive and negative tension brane and show how anomalously light KK states emerge when negative tension ''-'' branes are sandwiched between ''+'' branes. We present a detailed study of a ''+--+'' brane assignment which interpolates b... | ['2000-08-30'] |
3,215 | ['eng'] | ['Berg, B A'] | ['The transformations of the electromagnetic potentials under translations'] | ['Particle Physics - Theory'] | ['electromagnetic field', 'tensor, energy-momentum', 'transformation, gauge', 'transformation, translation', 'current, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006029'] | ["I consider infinitesimal translations $x'^{\\alpha}=x^{\\alpha}+\\delta x^{\\alpha}$ and demand that Noether's approach gives a symmetric electromagnetic energy-momentum tensor as it is required for gravitational sources. This argument determines the transformations of the electromagnetic potentials under infinitesim... | ['2000-08-30'] |
3,216 | ['eng'] | ['Ritz, A', 'Shifman, M', 'Vainshtein, A I', 'Voloshin, M B'] | ['Marginal Stability and the Metamorphosis of BPS States'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, SU(3)', 'supersymmetry', 'stability', 'soliton, BPS', 'moduli space', 'dimension, 4', 'Wess-Zumino model', 'dimension, 2', 'mass spectrum', 'zero mode', 'bound state', 'fermion, monopole', 'dyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006028'] | ["We discuss the restructuring of the BPS spectrum which occurs on certain submanifolds of the moduli/parameter space -- the curves of the marginal stability (CMS) -- using quasiclassical methods. We argue that in general a `composite' BPS soliton swells in coordinate space as one approaches the CMS and that, as a boun... | ['2000-08-30'] |
3,217 | ['eng'] | ['Higashijima, K', 'Nitta, M'] | ['Kahler Normal Coordinate Expansion in Supersymmetric Theories'] | ['Particle Physics - Theory'] | ['differential geometry, Kaehler', 'sigma model, nonlinear', 'supergravity', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006027'] | ['The Riemann normal coordinate expansion method is generalized to the Kahler manifold. The Kahler potential and holomorphic coordinate transformations are used to define the normal coordinate preserving the complex structure. The existence of this Kahler normal coordinate is shown explicitly to all orders. The formali... | ['2000-08-30'] |
3,218 | ['eng'] | ['Binosi, D', 'Shifman, M', 'Veldhuis, T A'] | ['Leaving the BPS bound'] | ['Particle Physics - Theory'] | ['soliton, BPS', 'supersymmetry, algebra', 'central charge', 'dimension, 2', 'tunneling', 'charge, topological', 'charge, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006026'] | ["We discuss quantum tunneling between classically BPS saturated solitons in two-dimensional theories with N=2 supersymmetry and a compact space dimension. Genuine BPS states form shortened multiplets of dimension two. In the models we consider there are two degenerate shortened multiplets at the classical level, but t... | ['2000-08-30'] |
3,219 | ['eng'] | ['Higashijima, K', 'Nitta, M'] | ['Supersymmetric Nonlinear Sigma Models'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/03/07', 'sigma model, nonlinear', 'supersymmetry, superfield', 'space-time', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006025'] | ['Supersymmetric nonlinear sigma models are formulated as gauge theories. Auxiliary chiral superfields are introduced to impose supersymmetric constraints of F-type. Target manifolds defined by F-type constraints are always non-compact. In order to obtain nonlinear sigma models on compact manifolds, we have to introduc... | ['2000-08-30'] |
3,220 | ['eng'] | ['Li, M'] | ['Black Holes and Spacetime Physics in String/M Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'string model', 'black hole', 'uncertainty relations', 'space-time, anti-de Sitter', 'differential geometry, noncommutative', 'S-matrix', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006024'] | ["In addition to briefly reviewing recent progress in studying black hole physics in string/M theory, we describe several robust features pertaining to spacetime physics that one can glean by studying quantum physics of black holes. In particular, we review 't Hooft's S-matrix ansatz which results in a noncommutative h... | ['2000-08-30'] |
3,221 | ['eng'] | ['Harmark, T'] | ['Supergravity and Space-Time Non-Commutative Open String Theory'] | ['Particle Physics - Theory'] | ['string model, open', 'supergravity', 'differential geometry, noncommutative', 'membrane model, D-brane', 'membrane model, p-brane', 'bound state', 'thermodynamics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006023'] | ['We study the non-critical space-time non-commutative open string (NCOS) theory using a dual supergravity description in terms of a certain near-horizon limit of the F1-Dp bound state. We find the thermodynamics of NCOS theory from supergravity. The thermodynamics is equivalent to Yang-Mills theory on a commutative sp... | ['2000-08-30'] |
3,222 | ['eng'] | ['Mavromatos, Nikolaos E', 'Winstanley, E'] | ['D-particle Recoil Space Times and "Glueball" Masses'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'dimension, 5', 'glueball, mass', 'particle, relativistic', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006022'] | ["We discuss the properties of matter in a D-dimensional anti-de-Sitter-type space time induced dynamically by the recoil of a very heavy D(irichlet)-particle defect embedded in it. The particular form of the recoil geometry, which from a world-sheet view point follows from logarithmic conformal field theory deformatio... | ['2000-06-05'] |
3,223 | ['eng'] | ['Alavian, S', 'Steele, T G'] | ['Extended BRS Symmetry and Gauge Independence in On-Shell Renormalization Schemes'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'invariance, Becchi-Rouet-Stora', 'dependence, gauge', 'renormalization, dependence', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006021'] | ['Extended BRS symmetry is used to prove gauge independence of the fermion renormalization constant $Z_2$ in on-shell QED renormalization schemes. A necessary condition for gauge independence of $Z_2$ in on-shell QCD renormalization schemes is formulated. Satisfying this necessary condition appears to be problematic at... | ['2000-06-05'] |
3,224 | ['eng'] | ['Gamboa-Rios, J', 'Méndez, F'] | ['Scattering in Three Dimensional Extremal Black Holes'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, anti-de Sitter', 'dimension, 3', 'particle, relativistic', 'spinless', 'cross section, absorption', 'scattering amplitude', 'Klein-Gordon equation, solution', 'particle, flux'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006020'] | ['An approach to scattering theory in three dimensional AdS spaces is proposed. Firstly we consider the scattering of spinless relativistic particles by a three dimensional extremal black hole and compute the absorption cross section $\\sigma_{abs} =J_{abs}/J_{\\infty}$ without using {\\it in} and {\\it out} states. Se... | ['2000-06-05'] |
3,225 | ['eng'] | ['Youm, D'] | ['A Note on (D(p-2),Dp) Bound State and Noncommutative Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'bound state', 'supergravity', 'field equations, solution', 'duality, transformation', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006019'] | ['We give a microscopic explanation for the recently observed equivalence among thermodynamics of supergravity solutions for Dp-branes with or without NS B-field and for D(p-2)-branes with vanishing B-field and two delocalized transverse directions by showing that these D-brane configurations are related to one another... | ['2000-06-05'] |
3,226 | ['eng'] | ['Cornalba, L'] | ['On the General Structure of the Non-Abelian Born-Infeld Action'] | ['Particle Physics - Theory'] | ['Born-Infeld model, nonabelian', 'effective action', 'invariance, gauge', 'asymptotic behavior', 'operator, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006018'] | ['We discuss the general structure of the non-abelian Born-Infeld action, together with all of the alpha-prime derivative corrections, in flat D-dimensional space-time. More specifically, we show how the connection between open strings propagating in background magnetic fields and gauge theories on non-commutative spac... | ['2000-06-05'] |
3,227 | ['eng'] | ['Ivanov, E', 'Krivonos, S', 'Lechtenfeld, O'] | ['Double-vector multiplet and partially broken N=4, d=3 supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'superspace', 'supersymmetry, multiplet', 'dimension, 3', 'Born-Infeld model', 'duality', 'membrane model', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006017'] | ['We elaborate on a new N=2, d=3 supermultiplet (double-vector multiplet) with a non-trivial off-shell realization of the central charge. Its bosonic sector comprises two abelian gauge vector fields forming an SO(2) vector. We present a superfield formulation of this multiplet in the central-charge extended N=2, d=3 su... | ['2000-06-05'] |
3,228 | ['eng'] | ['Sumi, J I'] | ['On the Running Gauge Coupling Constant in the Exact Renormalization Group'] | ['Particle Physics - Theory'] | ['four-fermion interaction', 'renormalization group, beta function', 'scaling, violation', 'expansion 1/N', 'perturbation theory, higher-order', 'expansion, derivative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006016'] | ['In this paper, we investigate the beta-function of the gauge coupling constant ($e$) of the gauged four-fermi theory in the Exact Renormalization Group (ERG) framework. It seems that the presence of the four-fermi interaction strongly affects to the naive RG running of the gauge coupling constant. We show that this s... | ['2000-06-05'] |
3,229 | ['eng'] | ['Degura, Y', 'Shiraishi, K'] | ['Effective field theory of slowly-moving "extreme black holes"'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, U(1)', 'dilaton', 'effective action', 'black hole', 'finite temperature', 'Hamiltonian formalism', 'energy', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006015'] | ["We consider the non-relativistic effective field theory of ``extreme black holes'' in the Einstein-Maxwell-dilaton theory with an arbitrary dilaton coupling. We investigate finite-temperature behavior of gas of ``extreme black holes'' using the effective theory. The total energy of the classical many-body system is a... | ['2000-06-05'] |
3,230 | ['eng'] | ['Chaudhuri, S', 'Novak, E G'] | ['Effective String Tension and Renormalizability'] | ['Particle Physics - Theory'] | ['string model, open', 'string model, closed', 'string tension', 'scattering amplitude, higher-order', 'renormalization', 'analytic properties', 'duality', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006014'] | ['We show that the one loop amplitudes of open and closed string theory in a constant background two-form tensor field are characterized by an effective string tension larger than the fundamental string tension, and by the appearance of antisymmetric and symmetric noncommutativity parameters. We derive the form of the ... | ['2000-06-02'] |
3,231 | ['eng'] | ['Chen, G H', 'Wu, Y S'] | ['Comments on Noncommutative Open String Theory'] | ['Particle Physics - Theory'] | ['string model, open', 'membrane model, D-brane', 'membrane model, p-brane', 'field theory, tensor', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'duality', 'holography', 'decoupling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006013'] | ['In this paper we study the interplay of electric and magnetic backgrounds in determining the decoupling limit of coincident D-branes towards a noncommutative Yang-Mills (NCYM) or open string (NCOS) theory. No decoupling limit has been found for NCYM with space-time noncommutativity. It is suggested that there is a ne... | ['2000-06-02'] |
3,232 | ['eng'] | ['Bigatti, D'] | ['Non-commutative spaces in physics and mathematics'] | ['Particle Physics - Theory'] | ['lectures, Torino 2000/01/26', 'differential geometry, noncommutative', 'K-theory', 'M-theory, torus', 'string model', 'mechanics, classical', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006012'] | ['The present review aims both to offer some motivations and mathematical prerequisites for a study of NCG from the viewpoint of a theoretical physicist and to show a few applications to matrix theory and results obtained. Lectures given by the author at the TMR School on contemporary string theory and brane physics, 2... | ['2000-06-02'] |
3,233 | ['eng'] | ['Davies, N M', 'Hollowood, Timothy J', 'Khoze, V V'] | ['Monopoles, affine algebras and the gluino condensate'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'gluino, condensation', 'algebra, affine', 'algebra, Lie', 'monopole', 'spontaneous compactification, cylinder', 'vacuum state', 'potential, superpotential', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006011'] | ["We examine the low-energy dynamics of four-dimensional supersymmetric gauge theories and calculate the values of the gluino condensate for all simple gauge groups. By initially compactifying the theory on a cylinder we are able to perform calculations in a controlled weakly-coupled way for small radius. The dominant ... | ['2000-06-02'] |
3,234 | ['eng'] | ['Ferrara, Sergio', 'Frønsdal, Christian'] | ['Conformal Fields in Higher Dimensions'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'talk, Moscow 2000/06/05', 'field theory, conformal', 'any-dimensional', 'group theory, SO(N,2)', 'group theory, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006009'] | ['We generalize, to any space-time dimension, the unitarity bounds of highest weight UIR\'s of the conformal groups with Lie algebras so(2,d). We classify all gauge theories invariant under so(2,d), both integral and half-integral spins. A similar analysis is carried out for the algebras of so*(2n). We study new unitar... | ['2000-06-02'] |
3,235 | ['eng'] | ['Aharony, O', 'Dorey, N', 'Kumar, S P'] | ['New modular invariance in the N=1* theory, operator mixings and supergravity singularities'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'field theory, deformation', 'mass spectrum', 'invariance, modular', 'correlation function', 'duality', 'fermion, condensation', 'vacuum state', 'operator, algebra', 'confinement', 'supergravity, singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006008'] | ['We discuss the mass-deformed N=4 SU(N) supersymmetric Yang-Mills theory (also known as the N=1* theory). We analyze how the correlation functions of this theory transform under S-duality, and which correlation functions depend holomorphically on the complexified gauge coupling \\tau. We provide exact modular-covarian... | ['2000-06-02'] |
3,236 | ['eng'] | ['Langlois, D', 'Maartens, R', 'Wands, D'] | ['Gravitational waves from inflation on the brane'] | ['Particle Physics - Theory'] | ['gravitational radiation', 'inflationary universe', 'membrane model', 'space-time, anti-de Sitter', 'dimension, 5', 'mass, gap', 'graviton, fluctuation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006007'] | ["We discuss the evolution of gravitational waves in a brane-world cosmology embedded in five-dimensional anti-de Sitter spacetime. We show that during slow-roll inflation, modelled as a period of quasi-de Sitter expansion on the brane, there is a discrete normalizable massless graviton mode. There is a mass gap due to... | ['2000-06-02'] |
3,237 | ['eng'] | ['Floratos, Emmanuel G', 'Nicolis, S'] | ['Quantum Mechanics on the Hypercube'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'phase space', 'operator, algebra', 'group theory, SL(2,Z)', 'group theory, modular'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006006'] | ['We construct quantum evolution operators on the space of states, that is represented by the vertices of the n-dimensional unit hypercube. They realize the metaplectic representation of the modular group SL(2,Z(2^n)). By construction this representation acts in a natural way on the coordinates of the non-commutative 2... | ['2000-06-02'] |
3,238 | ['eng'] | ['Berkovits, N'] | ['Cohomology in the Pure Spinor Formalism for the Superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'phase space', 'symmetry, SO(8)', 'cohomology', 'invariance, Becchi-Rouet-Stora', 'constraint', 'operator, algebra', 'operator, algebra', 'light cone gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006003'] | ["A manifestly super-Poincar\\'e covariant formalism for the superstring has recently been constructed using a pure spinor variable. Unlike the covariant Green-Schwarz formalism, this new formalism is easily quantized with a BRST operator and tree-level scattering amplitudes have been evaluated in a manifestly covarian... | ['2000-06-02'] |
3,239 | ['eng'] | ['Zloshchastiev, K G'] | ['High-gradient theories as new essential ingredient for the beyond-Standard-Model Des(s)ert cuisine'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'any-dimensional', 'current, conservation law', 'quantization', 'symmetry', 'quantum electrodynamics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006002'] | ["[High-gradient theories as new essential ingredient for the beyond-Standard-Model Des(s)ert cuisine: Getting rid of divergences in Feynman graphs, generalization of the free particle concept, appearence of high-order symmetries and currents, unified ``all-in-one'' multi-mass states, and all that.] Inspiring ourselves... | ['2000-06-02'] |
3,240 | ['eng'] | ['Periwal, V'] | ['Nonperturbative effects in deformation quantization'] | ['Particle Physics - Theory'] | ['quantization, deformation', 'nonperturbative', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0006001'] | ['The Cattaneo-Felder path integral form of the perturbative Kontsevich deformation quantization formula is used to explicitly demonstrate the existence of nonperturbative corrections to na\\"\\i ve deformation quantization.'] | ['2000-06-02'] |
3,241 | ['eng'] | ['Horowitz, Gary T', 'Hubeny, V E'] | ['Note on Small Black Holes in $AdS_{p} x S^{q}$'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, anti-de Sitter', 'space-time, Schwarzschild', 'dimension, 10', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005288'] | ['It is commonly believed that small black holes in AdS_5 x S^5 can be described by the ten dimensional Schwarzschild solution. This requires that the self-dual five-form (which is nonzero in the background) does not fall through the horizon and cause the black hole to grow. We verify that this is indeed the case: Ther... | ['2000-06-01'] |
3,242 | ['eng'] | ['Davydychev, A I', 'Kalmykov, M Yu'] | ['Some remarks on the $\\epsilon$ expansion of dimensionally-regulated Feynman diagrams'] | ['Particle Physics - Theory'] | ['talk, Koenigstein-Weissig 2000/04/09', 'Feynman graph, higher-order', 'regularization, dimensional', 'epsilon expansion', 'propagator', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005287'] | ['Some problems related to construction of the epsilon-expansion of dimensionally regulated Feynman integrals are discussed. For certain classes of diagrams, an arbitrary term of the epsilon-expansion can be expressed in terms of log-sine integrals related to the polylogarithms. It is shown how the analytic continuatio... | ['2000-06-01'] |
3,243 | ['eng'] | ['Balachandran, A P', 'Batista, E', 'Silva, I P C', 'Teotonio-Sobrinho, P'] | ['A Novel Spin-Statistics Theorem in (2 + 1)d Chern-Simons Gravity'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'quantum gravity', 'dimension, 3', 'spin, statistics', 'geon, topological', 'quantization', 'algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005286'] | ['It has been known for some time that topological geons in quantum gravity may lead to a complete violation of the canonical spin-statistics relation : there may exist no connection between spin and statistics for a pair of geons. We present an algebraic description of quantum gravity in (2 + 1)d based on the first or... | ['2000-06-01'] |
3,244 | ['eng'] | ['Gorbar, E V'] | ['On Chiral Symmetry Breaking in a Constant Magnetic Field in Higher Dimension'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'symmetry breaking, chiral', 'symmetry, dynamically broken', 'magnetic field, constant', 'dimension, >4', 'dimensional reduction', 'gap'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005285'] | ['Chiral symmetry breaking in the Nambu-Jona-Lasinio model in a constant magnetic field is studied in spacetimes of dimension D > 4. It is shown that a constant magnetic field can be characterized by [(D-1)/2] parameters. For the maximal number of nonzero field parameters, we show that there is an effective reduction o... | ['2000-06-01'] |
3,245 | ['eng'] | ['Chen, B', 'Itoyama, H', 'Matsuo, T', 'Murakami, K'] | ["Worldsheet and Spacetime Properties of p-p' System with B Field and Noncommutative Geometry"] | ['Particle Physics - Theory'] | ['string model, open', 'supersymmetry, superspace', 'field theory, action', 'background field', 'boundary condition', 'two-point function', 'operator, vertex', 'operator, algebra', 'tachyon', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005283'] | ["We study worldsheet and spacetime properties of the p-p' (p < p') open string system with constant B_{ij} field viewed from the Dp' brane. The description of this system in terms of the CFT with spin and twist fields leads us to consider the renormal ordering procedure from the SL(2,R) invariant vacuum to the oscilla... | ['2000-06-01'] |
3,246 | ['eng'] | ['Lunin, O', 'Pinsky, S'] | ['Mesonic Spectrum of Two Dimensional Supersymmetric Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'supersymmetry', 'dimension, 3', 'dimensional reduction', 'dimension, 2', 'bound state', 'meson, mass spectrum', 'continuum limit', 'quantization, light cone', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005282'] | ['We consider a bound state problem for a family of supersymmetric gauge theories with fundamental matter. These theories can be obtained by a dimensional reduction of supersymmetric QCD from three dimensions to 1+1 and subsequent truncation of some of the fields. We find that the models without adjoint scalar converge... | ['2000-05-31'] |
3,247 | ['eng'] | ['Nieto, Michael Martin'] | ['A Simple Volcano Potential with an Analytic, Zero-Energy, Ground State'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, >4', 'Kaluza-Klein model', 'Schroedinger equation, solution', 'potential', 'mass spectrum', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005281'] | ['We describe a simple volcano potential, which is supersymmetric and has an analytic, zero-energy, ground state. (The KK modes are also analytic.) It is an interior harmonic oscillator potential properly matched to an exterior angular momentum-like tail. Special cases are given to elucidate the physics, which may be i... | ['2000-05-31'] |
3,248 | ['eng'] | ['Mironov, A E', 'Morozov, A'] | ['On Renormalization Group in Abstract QFT'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'partition function', 'approximation, quasiclassical', 'renormalization group', 'transformation, diffeomorphism', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005280'] | ['The basics of RG equations for generic partition functions are briefly reviewed, keeping in mind an application to the Polyakov-de Boer-Verlindes description of the holomorphic RG flow.'] | ['2000-05-31'] |
3,249 | ['eng'] | ['Kreimer, D'] | ['Feynman diagrams and polylogarithms'] | ['Particle Physics - Theory'] | ['talk, Koenigstein-Weissig 2000/04/09', 'Feynman graph, higher-order', 'graph theory', 'algebra, Hopf'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005279'] | ['We summarize the Hopf algebra structure on Feynman diagrams and emphasize the interest in further algebraic structures hidden in Feynman graphs.'] | ['2000-05-31'] |
3,250 | ['eng'] | ['Feng, J L', 'March-Russell, John David', 'Sethi, S K', 'Wilczek, Frank'] | ['Saltatory Relaxation of the Cosmological Constant'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'membrane model', 'potential, gauge', 'tunneling', 'stability', 'supersymmetry, symmetry breaking', 'string model', 'charge, density', 'string tension', 'black hole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005276', 'http://documents.cern.ch/archive/electronic/other/uploader/SUSY2K/wilczek.ps.gz'] | ['We modify and extend an earlier proposal by Brown and Teitelboim to relax the effective cosmological term by nucleation of branes coupled to a three-index gauge potential. Microscopic considerations from string/M theory suggest two major innovations in the framework. First, the possibility of branes wrapped on degene... | ['2000-05-31'] |
3,251 | ['eng'] | ['Stern, M', 'Yi, P'] | ['Counting Yang-Mills Dyons with Index Theorems'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'monopole, BPS', 'bound state', 'dyon', 'index theorem', 'moduli space', 'sigma model, nonlinear', 'quantum mechanics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005275'] | ['We count the supersymmetric bound states of many distinct BPS monopoles in N=4 Yang-Mills theories and in pure N=2 Yang-Mills theories. The novelty here is that we work in generic Coulombic vacua where more than one adjoint Higgs fields are turned on. The number of purely magnetic bound states is again found to be co... | ['2000-05-31'] |
3,252 | ['eng'] | ['Matone, M'] | ['Equivalence Postulate and Quantum Origin of Gravitation'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, action', 'equivalence principle', 'quantization', 'Hamilton-Jacobi equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005274'] | ["The recently formulated Equivalence Principle (EP) implies that interactions have a purely quantum origin. Since the reduced action is always nontrivial it follows that the conjugate momentum has an upper bound which is a natural ultraviolet cutoff originating from the structure of the Quantum Stationary Hamilton-Jac... | ['2000-05-30'] |
3,253 | ['eng'] | ['Grosse, Harald', 'Madore, J', 'Steinacker, H'] | ['Field Theory on the q-deformed Fuzzy Sphere, 1'] | ['Particle Physics - Theory'] | ['sphere, fuzzy', 'space, deformation', 'membrane model, D-brane', 'Wess-Zumino-Witten model, SU(2)', 'geometry', 'differential forms', 'Yang-Mills', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005273'] | ['We study the q-deformed fuzzy sphere, which is related to D-branes on SU(2) WZW models, for both real q and q a root of unity. We construct for both cases a differential calculus which is compatible with the star structure, study the integral, and find a canonical frame of one-forms. We then consider actions for scal... | ['2000-05-30'] |
3,254 | ['eng'] | ['Girotti, H O', 'Gomes, M J', 'Rivelles, V O', 'Silva, A J'] | ['A Consistent Noncommutative Field Theory'] | ['Particle Physics - Theory'] | ['supersymmetry', 'Wess-Zumino model', 'differential geometry, noncommutative', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005272'] | ['We show that the noncommutative Wess-Zumino model is renormalizable to all orders of perturbation theory. The noncommutative scalar potential by itself is non-renormalizable but the Yukawa terms demanded by supersymmetry improve the situation turning the theory into a renormalizable one. As in the commutative case, t... | ['2000-05-30'] |
3,255 | ['eng'] | ['Kounnas, Costas'] | ['Conformal String Sector of M-Theory'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'M-theory', 'field theory, conformal', 'string model', 'particle, relativistic', 'dimension, 12', 'space-time, signature', 'dependence, gauge', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005271'] | ['We consider a conformal system of a string and a particle defined in D=10+2 space-time dimensions. The extra time-like dimension is a gauge artifact and can be eliminated by choosing a gauge in which the SO(10,1) Lorentz symmetry is manifest. The effective theory of string observables is the 11d supergravity. The sam... | ['2000-05-30'] |
3,256 | ['eng'] | ['West, Peter C'] | ['Hidden Superconformal Symmetry in M Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'supergravity', 'dimension, 11', 'group theory, conformal', 'group theory, representation', 'nonlinear', 'hidden symmetry', 'invariance, gauge', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005270'] | ['The bosonic sectors of the eleven dimensional and IIA supergravity theories are derived as non-linear realisations. The underlying group includes the conformal group, the general linear group and as well as automorphisms of the supersymmetry algebra. We discuss the supersymmetric extension and argue that Osp(1/64) is... | ['2000-05-30'] |
3,257 | ['eng'] | ['Parnachev, A', 'Yaffe, L G'] | ['One-Loop Quantum Energy Densities of Domain Wall Field Configurations'] | ['Particle Physics - Theory'] | ['domain wall', 'effective potential', 'energy, density', 'perturbation theory, higher-order', 'renormalization', 'operator, fluctuation', 'phi**n model, 4', 'dimension, 2', 'quantum electrodynamics, scalar', 'dimension, 3', 'symmetry, spontaneously broken', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005269'] | ['We discuss a simple procedure for computing one-loop quantum energies of any static field configuration that depends non-trivially on only a single spatial coordinate. We specifically focus on domain wall-type field configurations that connect two distinct minima of the effective potential, and may or may not be the ... | ['2000-05-30'] |
3,258 | ['eng'] | ['Ho, P M', 'Li, M'] | ['Large N Expansion From Fuzzy $AdS_{2}$'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'dimension, 2', 'space, S(2)', 'duality', 'symmetry, SL(2,R)', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005268'] | ['We study the quantum analogue of primary fields and their descendants on fuzzy AdS_2, proposed in hep-th/0004072. Three-point vertices are calculated and shown to exhibit the conventional 1/N expansion as well as nonperturtive effects in large N, thus providing a strong consistency check of the fuzzy AdS_2 model. A f... | ['2000-05-30'] |
3,259 | ['eng'] | ['Nolland, D'] | ['Gravitinos in non-Ricci-flat backgrounds'] | ['Particle Physics - Theory'] | ['gravitino, mass', 'Rarita-Schwinger equation', 'space-time', 'invariance, gauge', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005267'] | ['We discuss the gauge invariance and "mass" of the Rarita-Schwinger field in a background spacetime which is assumed to be Einstein but not necessarily Ricci-flat.'] | ['2000-05-30'] |
3,260 | ['eng'] | ['Brustein, Ram'] | ['Causal Boundary Entropy From Horizon Conformal Field Theory'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'dimension, 4', 'boundary condition', 'effective action', 'dimension, 2', 'partial wave', 'field theory, conformal', 'entropy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005266'] | ["The quantum theory of near horizon regions of spacetimes with classical spatially flat, homogeneous and isotropic Friedman-Robertson-Walker geometry can be approximately described by a two dimensional conformal field theory. The central charge of this theory and expectation value of its Hamiltonian are both proportio... | ['2000-05-30'] |
3,261 | ['eng'] | ['Ketov, S V'] | ['N = 1 and N = 2 supersymmetric nonabelian Born-Infeld actions from superspace'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'supersymmetry, superspace', 'field theory, action', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005265'] | ['The Goldstone-Maxwell reformulations of the known abelian N=1 and N=2 supersymmetric Born-Infeld actions in four dimensions are used to construct their new nonabelian generalizations in N=1 and N=2 superspace, respectively, to all orders in the superfield strengths. The proposed invariant actions are dictated by simp... | ['2000-05-30'] |
3,262 | ['eng'] | ['Just, K', 'Kwong, K Y', 'Oziewicz, Z'] | ['Light as Caused by Neither by Bound States nor by Neutrinos'] | ['Particle Physics - Theory'] | ['talk, Zacatecas 1999/06/23', 'photon, model', 'neutrino', 'boson, field theory', 'field equations, induced', 'invariance, gauge', 'model, composite', 'spinor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005263'] | ["Participants of this workshop pursue the old Neutrino Theory of Light vigorously. Other physicists have long ago abandoned it, because it lacks gauge invariance. In the recent Quantum Induction (QI), all basic Bose fields ${\\mathcal B}^{P}$ are local limits of quantum fields composed of Dirac's $\\Psi$ (for leptons ... | ['2000-05-30'] |
3,263 | ['eng'] | ['Sako, A', 'Sasaki, T'] | ['Euler number of Instanton Moduli space and Seiberg-Witten invariants'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'Seiberg-Witten model', 'instanton, moduli space', 'charge, topological', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005262'] | ['We show that a partition function of topological twisted N=4 Yang-Mills theory is given by Seiberg-Witten invariants on a Riemannian four manifolds under the condition that the sum of Euler number and signature of the four manifolds vanish. The partition function is the sum of Euler number of instanton moduli space w... | ['2000-05-30'] |
3,264 | ['eng'] | ['Anselmi, D'] | ['Large-N expansion, conformal field theory and renormalization-group flows in three dimensions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 3', 'renormalization group, transformation', 'expansion 1/N', 'regularization, dimensional', 'operator, composite', 'propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005261'] | ['I study a class of interacting conformal field theories and conformal windows in three dimensions, formulated using the Parisi large-N approach and a modified dimensional-regularization technique. Bosons are associated with composite operators and their propagators are dynamically generated by fermion bubbles. Renorm... | ['2000-05-30'] |
3,265 | ['eng'] | ['Kopf, T'] | ['Spectral geometry of spacetime'] | ['Particle Physics - Theory'] | ['talk, Villa Gualino 1999/09/20', 'space-time, model', 'Dirac equation', 'Hilbert space', 'spectral representation', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005260'] | ['Spacetime, understood as a globally hyperbolic manifold, may be characterized by spectral data using a 3+1 splitting into space and time, a description of space by spectral triples and by employing causal relationships, as proposed earlier. Here, it is proposed to use the Hadamard condition of quantum field theory as... | ['2000-05-30'] |
3,266 | ['eng'] | ["D'Albuquerque, L C", 'Gomes, M J', 'Silva, A J'] | ['Renormalization Group Study of Chern-Simons Field Coupled to Scalar Matter in a Modified BPHZ Subtraction Scheme'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'phi**n model, 6', 'renormalization group', 'perturbation theory, higher-order', 'higher-order, 2', 'regularization, dependence'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005258'] | ['We apply a soft version of the BPHZ subtraction scheme to the computation of two-loop corrections from an Abelian Chern-Simons field coupled to (massive) scalar matter with a $\\lambda(\\Phi^\\dag\\Phi)^2$ and $\\nu(\\Phi^\\dag\\Phi)^3$ self-interactions. The two-loop renormalization group functions are calculated. W... | ['2000-05-29'] |
3,267 | ['eng'] | ['Nesterenko, V V', 'Lambiase, G', 'Scarpetta, G'] | ['Casimir Energy of a Semi-Circular Infinite Cylinder'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'regularization, zeta function', 'cylinder', 'field theory, scalar', 'massless', 'boundary condition', 'electromagnetic field', 'Maxwell equation, solution', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005257'] | ['The Casimir energy of a semi-circular cylindrical shell is calculated by making use of the zeta function technique. This shell is obtained by crossing an infinite circular cylindrical shell by a plane passing through the symmetry axes of the cylinder and by considering only a half of this configuration. All the surfa... | ['2000-05-29'] |
3,268 | ['eng'] | ['Manvelian, R P', 'Petkou, Anastasios C'] | ['The trace anomaly of the (2,0) tensor multiplet in background gauge fields'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'dimension, 6', 'gauge field theory, Yang-Mills', 'background field', 'anomaly, conformal', 'gravitation, external field', 'R parity, current', 'multiplet, tensor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005256'] | ['We study the trace anomaly of the (2,0) tensor multiplet in d=6 in the presence of a background SO(5) vector field acting as a source for the R-current. Using both a free-field theory calculation and AdS_7/CFT_6 correspondence, we find that only one of the two possible anomaly structures is non-zero and that its coef... | ['2000-05-29'] |
3,269 | ['eng'] | ['Jegerlehner, F'] | ['Facts of life with $\\gamma(5)$'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'perturbation theory, higher-order', 'regularization, dimensional', 'algebra, Clifford', 'renormalization', 'symmetry, chiral', 'Feynman graph', 'invariance, gauge', 'radiative correction', 'anomaly', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005255'] | ['The increasing precision of many experiments in elementary particle physics leads to continuing interest in perturbative higher order calculations in the electroweak Standard Model or extensions of it. Such calculations are of increasing complexity because more loops and/or more legs are considered. Correspondingly e... | ['2000-05-29'] |
3,270 | ['eng'] | ['Calabrese, P P', 'Caselle, M', 'Celi, A', 'Pelissetto, A', 'Vicari, E'] | ['Non-analyticity of the Callan-Symanzik $\\beta$-function of two-dimensional O(N) model'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 2', 'symmetry, O(N)', 'renormalization group, beta function', 'analytic properties', 'asymptotic behavior', 'Ising model', 'critical phenomena', 'Borel transformation', 'field theory, conformal', 'expansion 1/N', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005254'] | ['We discuss the analytic properties of the Callan-Symanzik beta-function beta(g) associated with the zero-momentum four-point coupling g in the two-dimensional phi^4 model with O(N) symmetry. Using renormalization-group arguments, we derive the asymptotic behavior of beta(g) at the fixed point g^*. We find that beta(g... | ['2000-05-29'] |
3,271 | ['eng'] | ['Bak, D', 'Kim, S K', 'Soh, K S', 'Yee, J H'] | ['Exact Wavefunctions in a Noncommutative Field Theory'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'nonrelativistic', 'differential geometry, noncommutative', 'Schroedinger equation', 'propagator', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005253'] | ['We consider the nonrelativistic field theory with a quartic interaction on a noncommutative plane. We compute the four point scattering amplitude within perturbative analysis to all orders and identify the beta function and the running of the coupling constant. Since the theory admits an equivalent description via th... | ['2000-05-29'] |
3,272 | ['eng'] | ['Faux, M', 'Lüst, Dieter', 'Ovrut, B A'] | ['Local Anomaly Cancellation, M-Theory Orbifolds and Phase-Transitions'] | ['Particle Physics - Theory'] | ['M-theory', 'spontaneous compactification, orbifold', 'anomaly', 'charge, topological', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005251'] | ['In this paper we consider orbifold compactifications of M-theory on $S^1/{\\bf Z}_2\\times T^4/{\\bf Z}_2$. We discuss solutions of the local anomaly matching conditions by twisted vector, tensor and hypermultiplets confined on the local orbifold six-planes. In addition we consider phase-transitions among different s... | ['2000-05-29'] |
3,273 | ['eng'] | ['Ho, J'] | ['Holographic Stress Tensor for Kerr-AdS Black Holes and Local Failure on IR-UV Connection'] | ['Particle Physics - Theory'] | ['black hole, Kerr', 'space-time, anti-de Sitter', 'tensor, energy-momentum', 'holography', 'field theory, conformal', 'effective action, on-shell', 'gauge field theory, Yang-Mills', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005250'] | ['We show that in general holographic stress tensor may contain a new term of divergence of a spacelike unit normal acceleration. Then, it is shown that in contrast to previous descriptions, a new stress tensor for Kerr-AdS solutions can be a traceless one. Interestingly, this prescription entails a local failure on th... | ['2000-05-29'] |
3,274 | ['eng'] | ['Gavrilov, S P', 'Gitman, D M'] | ['Quantization of the Relativistic Particle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'quantization, 1', 'Hamiltonian formalism', 'Schroedinger equation', 'energy spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005249'] | ['We revise the problem of the quantization of relativistic particle, presenting a modified consistent canonical scheme, which allows one not only to include arbitrary backgrounds in the consideration but to get in course of the quantization a consistent relativistic quantum mechanics, which reproduces literally the be... | ['2000-05-26'] |
3,275 | ['eng'] | ['Schmidhuber, C'] | ['Micrometer Gravitinos and the Cosmological Constant'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification', 'supersymmetry, symmetry breaking', 'membrane model', 'astrophysics, fundamental constant', 'vacuum state, energy', 'supergravity', 'perturbation theory, higher-order', 'gravitino, mass', 'dilaton, mass'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005248'] | ['We compute the 4--dimensional cosmological constant in string compactifications in which the Standard Model fields live on a non-supersymmetric brane inside a supersymmetric bulk. The cosmological constant receives contributions only from the vacuum energy of the bulk supergravity fields, but not from the vacuum ener... | ['2000-05-26'] |
3,276 | ['eng'] | ['Hori, K', 'Iqbal, A', 'Vafa, C'] | ['D-Branes And Mirror Symmetry'] | ['Particle Physics - Theory'] | ['dimension, 2', 'Landau-Ginzburg model', 'supersymmetry, superfield', 'soliton, BPS', 'field theory, deformation', 'boundary condition', 'symmetry, mirror', 'membrane model, D-brane', 'membrane, production', 'sigma model, linear', 'string model', 'geometry, algebra', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005247'] | ['We study (2,2) supersymmetric field theories on two-dimensional worldsheet with boundaries. We determine D-branes (boundary conditions and boundary interactions) that preserve half of the bulk supercharges in non-linear sigma models, gauged linear sigma models, and Landau-Ginzburg models. We identify a mechanism for ... | ['2000-05-26'] |
3,277 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N', 'Vázquez-Poritz, J F'] | ['AdS in Warped Spacetimes'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'dimension, 10', 'space-time, anti-de Sitter', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'membrane, interaction', 'field equations, solution', 'M-theory', 'duality', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005246'] | ['We obtain a large class of AdS spacetimes warped with certain internal spaces in eleven-dimensional and type IIA/IIB supergravities. The warp factors depend only on the internal coordinates. These solutions arise as the near-horizon geometries of more general semi-localised multi-intersections of $p$-branes. We achie... | ['2000-05-26'] |
3,278 | ['eng'] | ['Litim, Daniel F'] | ['Optimisation of the exact renormalisation group'] | ['Particle Physics - Theory'] | ['renormalization group, transformation', 'propagator', 'analytic properties', 'regularization, dependence', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005245'] | ['A simple criterion to optimise coarse-grainings for exact renormalisation group equations is given. It is aimed at improving the convergence of approximate solutions of flow equations. The optimisation criterion is generic, as it refers only to the coarse-grained propagator at vanishing field. In physical terms, it i... | ['2000-05-26'] |
3,279 | ['eng'] | ['Alekseev, A', 'Mironov, A E', 'Morozov, A'] | ['On B-independence of RR charges'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, action', 'gauge field theory, tensor', 'differential forms', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005244'] | ['Generalization of the recent Taylor-Polchinski argument is presented, which helps to explain quantization of RR charges in IIA-like theories in the presence of cohomologically trivial H-fields.'] | ['2000-05-26'] |
3,280 | ['eng'] | ['Vachaspati, T', 'Steer, D A'] | ['Spin and Dualization of SU(5) Dyons'] | ['Particle Physics - Theory'] | ['grand unified theory, SU(5)', 'dyon', 'symmetry breaking', 'spin, fractional', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005243'] | ['Motivated by the dual standard model, we study the angular momentum spectrum of stable SU(5) dyons that can be transformed into purely electric states by a suitable duality rotation i.e. are dualizable. The problem reduces to solving a Diophantine equation for the holomorphic charges in each topological sector, but t... | ['2000-05-26'] |
3,281 | ['eng'] | ['Brax, P', 'Mandal, G', 'Oz, Y'] | ['Supergravity Description of Non-BPS Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supergravity', 'field equations, solution', 'soliton, BPS', 'tachyon, condensation', 'string model, duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005242', 'http://documents.cern.ch/archive/electronic/other/uploader/SUSY2K/mandal.ps.gz'] | ['We construct supergravity solutions that correspond to N Dp-branes coinciding with \\bar{N} \\bar{Dp}-branes. We study the physical properties of the solutions and analyse the supergravity description of tachyon condensation. We construct an interpolation between the brane-antibrane solution and the Schwarzschild sol... | ['2000-05-26'] |
3,282 | ['eng'] | ['Fatollahi, A H'] | ['D0-Branes As Confined Quarks'] | ['Particle Physics - Theory'] | ['talk, Isfahan 2000/05/01', 'membrane model', 'quark, confinement', 'bound state', 'quantum chromodynamics, string', 'expansion 1/N', 'effective potential', 'flux, electric', 'space-time, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005241'] | ['The possibility of using the quantum mechanics of D0-branes for the bound-states of quarks and QCD strings is investigated. Issues such as the inter D0-branes potential, the whiteness of the D0-branes bound-states and the large-N limit of D0-branes effective theory are studied. A possible role of the non-commutativit... | ['2000-05-26'] |
3,283 | ['eng'] | ['Nikolic, H'] | ['Can the Unruh-DeWitt detector extract energy from the vacuum?'] | ['Particle Physics - Theory'] | ['Unruh effect', 'counters and detectors, acceleration', 'energy, production', 'vacuum state', 'quantization, Rindler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005240'] | ['The Unruh effect can be correctly treated only by using the Minkowski quantization and a model of a "particle" detector, not by using the Rindler quantization. The energy produced by a detector accelerated only for a short time can be much larger than the energy needed to change the velocity of the detector. Although... | ['2000-05-26'] |
3,284 | ['eng'] | ['Koyama, K', 'Soda, J'] | ['Evolution of Cosmological Perturbations in the Brane World'] | ['Particle Physics - Theory'] | ['astrophysics, perturbation', 'membrane model', 'Randall-Sundrum model', 'dimension, 5', 'space-time, anti-de Sitter', 'gravitational radiation', 'graviton, massive'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005239'] | ['The evolution of the cosmological perturbations is studied in the context of the Randall-Sundrum brane world scenario, in which our universe is realized on a three-brane in the five dimensional Anti-de Sitter(AdS) spacetime. We develop a formalism to solve the coupled dynamics of the cosmological perturbations in the... | ['2000-05-26'] |
3,285 | ['eng'] | ['Karczewska, D', 'Manka, R'] | ['Monopole in the dilatonic gauge field theory'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, Yang-Mills', 'Higgs model', 'dilaton', 'dimension, 6', 'field equations, monopole', 'boundary condition', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005238'] | ['A numerical study of coupled to the dilaton field, static, spherically symmetric monopole solutions inspired by the Kaluza-Klein theory with large extra dimensions are presented. The generalized Prasad-Sommerfield solution is obtained. We show that monopole may have also the dilaton cloud configurations.'] | ['2000-05-26'] |
3,286 | ['eng'] | ['Thiemann, T', 'Winkler, O'] | ['Gauge Field Theory Coherent States (GCS); 1, Peakedness Properties'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, U(1)', 'coherent state', 'quantum gravity', 'relativity theory, general', 'heat kernel', 'phase space', 'holonomy, operator', 'quantization, algebra', 'approximation, quasiclassical', 'kinematics', 'diffeomorphism, invariance', 'uncertainty relations', 'functional anal... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005237'] | ['In this article we apply the methods outlined in the previous paper of this series to the particular set of states obtained by choosing the complexifier to be a Laplace operator for each edge of a graph. The corresponding coherent state transform was introduced by Hall for one edge and generalized by Ashtekar, Lewand... | ['2000-05-26'] |
3,287 | ['eng'] | ['Chen, C M', 'Harko, T', 'Mak, M K'] | ['Anisotropic Four-Dimensional NS-NS String Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'space-time, anisotropy', 'dilaton', 'axion', 'space-time, Bianchi', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005236'] | ['An anisotropic (Bianchi type I) cosmology is considered in the four-dimensional NS-NS sector of low-energy effective string theory coupled to a dilaton and an axion-like $H$-field within a de Sitter-Einstein frame background. The time evolution of this Universe is discussed in both the Einstein and string frames.'] | ['2000-05-26'] |
3,288 | ['eng'] | ['Thiemann, T', 'Winkler, O'] | ['Gauge Field Theory Coherent States (GCS); 4, Infinite Tensor Product and Thermodynamical Limit'] | ['Particle Physics - Theory'] | ['gauge field theory', 'coherent state', 'Hilbert space', 'relativity theory, general', 'kinematics', 'quantum gravity', 'operator, algebra', 'algebra, von Neumann', 'Einstein equation, solution', 'Maxwell equation', 'diffeomorphism, invariance', 'approximation, quasiclassical', 'functional analysis', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005235'] | ["In the canonical approach to Lorentzian Quantum General Relativity in four spacetime dimensions an important step forward has been made by Ashtekar, Isham and Lewandowski some eight years ago through the introduction of an appropriate Hilbert space structure. This Hilbert space, together with its generalization due t... | ['2000-05-26'] |
3,289 | ['eng'] | ['Thiemann, T', 'Winkler, O'] | ['Gauge Field Theory Coherent States (GCS); 3, Ehrenfest Theorems'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, U(1)', 'coherent state', 'relativity theory, general', 'quantum gravity', 'kinematics', 'diffeomorphism, invariance', 'holonomy, operator', 'functional analysis', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005234'] | ["In the preceding paper of this series of articles we established peakedness properties of a family of coherent states that were introduced by Hall for any compact gauge group and were later generalized to gauge field theory by Ashtekar, Lewandowski, Marolf, Mour\\~ao and Thiemann. In this paper we establish the ``Ehr... | ['2000-05-26'] |
3,290 | ['eng'] | ['Thiemann, T'] | ['Gauge Field Theory Coherent States (GCS); 1, General Properties'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fibre bundle', 'quantization', 'coherent state', 'invariance, gauge', 'heat kernel', 'invariance, diffeomorphism', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005233'] | ["In this article we outline a rather general construction of diffeomorphism covariant coherent states for quantum gauge theories. By this we mean states $\\psi_{(A,E)}$, labelled by a point (A,E) in the classical phase space, consisting of canonically conjugate pairs of connections A and electric fields E respectively... | ['2000-05-26'] |
3,291 | ['eng'] | ['Thiemann, T'] | ['Quantum Spin Dynamics (QSD); 7, Symplectic Structures and Continuum Lattice Formulations of Gauge Field Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'space-time', 'quantization', 'lattice field theory', 'graph theory', 'differential geometry, symplectic', 'operator, algebra', 'invariance, diffeomorphism', 'Gauss law', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005232'] | ["Interesting non-linear functions on the phase spaces of classical field theories can never be quantized immediately because the basic fields of the theory become operator valued distributions. Therefore, one is usually forced to find a classical substitute for such a function depending on a regulator which is express... | ['2000-05-26'] |
3,292 | ['eng'] | ['Zhu, C J'] | ['A Self-tuning Exact Solution and the Non-existence of Horizons in 5d Gravity-Scalar System'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'dimension, 5', 'domain wall', 'singularity', 'horizon', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005230'] | ["We present an exact thick domain wall solution with naked sigularities to five dimensional gravity coupled with a scalar field with exponential potential. In our solution we found exactly the special coefficient of the exponent as coming from compactification of string theory with cosmological constant. We show that ... | ['2000-05-26'] |
3,293 | ['eng'] | ['Dalmazi, D', 'Verbaarschot, J J M'] | ['The Replica Limit of Unitary Matrix Integrals'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'fermion, flavor', 'partition function', 'symmetry breaking, chiral', 'supersymmetry', 'asymptotic expansion', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005229'] | ['We investigate the replica trick for the microscopic spectral density, $\\rho_s(x)$, of the Euclidean QCD Dirac operator. Our starting point is the low-energy limit of the QCD partition function for $n$ fermionic flavors (or replicas) in the sector of topological charge $\\nu$. In the domain of the smallest eigenvalu... | ['2000-05-26'] |
3,294 | ['eng'] | ['Lee, J C'] | ['Chan-Paton Soliton Gauge States of Compatified Open String'] | ['Particle Physics - Theory'] | ['string model, open', 'gauge field theory, U(N)', 'phase space', 'Ward identity', 'n-point function, 4', 'dimension, 26', 'quantization, 1'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005228'] | ['We study the mechanism of enhanced gauge symmetry of bosonic open string compatified on torus by analyzing the zero-norm soliton (nonzero winding of wilson line) gauge states in the spectrum. Unlike the closed string case, we find that the soliton gauge state exists only at massive levels. These soliton gauge states ... | ['2000-05-26'] |
3,295 | ['eng'] | ['Mannheim, P D'] | ['Constraints on Brane-Localized Gravity'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'membrane model, p-brane', 'p-brane, 3', 'Einstein equation, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005226'] | ['In this paper we explore some general aspects of the embeddings associated with brane-localized gravity. In particular we show that the consistency of such embeddings can require (or impose) very specific relations between all the involved bulk and brane matter source parameters. Given the fact that the 5-geometry as... | ['2000-05-25'] |
3,296 | ['eng'] | ['Binétruy, P', 'Girardi, G', 'Grimm, R'] | ['Supergravity couplings'] | ['Particle Physics - Theory'] | ['review', 'supergravity', 'coupling, matter', 'supersymmetry, superspace', 'supersymmetry, superfield', 'space-time', 'gauge field theory, Yang-Mills', 'field theory, tensor', 'differential forms, 3', 'Chern-Simons term', 'constraint, solution', 'torsion', 'field theory, action', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005225'] | ['This report provides a pedagogical introduction to the description of the general Poincare supergravity/matter/Yang-Mills couplings using methods of Kahler superspace geometry. At a more advanced level this approach is generalized to include tensor field and Chern-Simons couplings in supersymmetry and supergravity, r... | ['2000-05-25'] |
3,297 | ['eng'] | ['Mansfield, P', 'Nolland, D'] | ['Order $1/N^{2}$ test of the Maldacena conjecture'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'gauge field theory, Yang-Mills', 'anomaly, Weyl', 'perturbation theory, higher-order', 'particle, multiplet', 'mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005224'] | ['We test the Maldacena conjecture for type IIB String Theory/ N=4 Yang-Mills by calculating the one-loop corrections in the bulk theory to the Weyl anomaly of the boundary CFT when the latter is coupled to a Ricci-flat metric. The contributions cancel within each supermultiplet, in agreement with the conjecture.'] | ['2000-05-25'] |
3,298 | ['eng'] | ['Penati, S', 'Santambrogio, A', 'Zanon, D'] | ['More on correlators and contact terms in $\\cal N = 4 SYM$ at order $g^{4}$'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'operator, chiral', 'correlation function', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005223'] | ['We compute two-point functions of chiral operators Tr(\\Phi^k) for any k, in {\\cal N}=4 supersymmetric SU(N) Yang-Mills theory. We find that up to the order g^4 the perturbative corrections to the correlators vanish for all N. The cancellation occurs in a highly non trivial way, due to a complicated interplay betwee... | ['2000-05-25'] |
3,299 | ['eng'] | ['Chamseddine, A H'] | ['Complexified Gravity in Noncommutative Spaces'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'magnetic field, background field', 'field strength, constant', 'gravitation', 'analytic properties', 'differential geometry, noncommutative', 'gauge field theory, U(1,N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005222'] | ['The presence of a constant background antisymmetric tensor for open strings or D-branes forces the space-time coordinates to be noncommutative. This effect is equivalent to replacing ordinary products in the effective theory by the deformed star product. An immediate consequence of this is that all fields get complex... | ['2000-05-25'] |
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