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 |
|---|---|---|---|---|---|---|---|---|
4,900 | ['eng'] | ['Geyer, B', 'Gitman, D M', 'Shapiro, I'] | ['Path integral and pseudoclassical action for spinning particle in external electromagnetic and torsion fields'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation', 'Dirac equation', 'relativity theory, general', 'gauge field theory, Yang-Mills', 'electromagnetic field, external field', 'torsion', 'propagator', 'path integral', 'quantization, constraint', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910180'] | ['We study a possibility for pseudoclassical description of a spinning particle in external electromagnetic and torsion fields. To this end we depart from the Dirac equation in such a background and derive a path integral representation for the corresponding propagator. An effective action which appears in the represen... | ['1999-10-25'] |
4,901 | ['eng'] | ['Lópes-Cardoso, G', 'de Wit, B', 'Mohaupt, T'] | ['Area law corrections from state counting and supergravity'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'black hole', 'entropy', 'supersymmetry', 'soliton, BPS', 'charge, Noether'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910179'] | ['Modifications of the Bekenstein-Hawking area law for black holes are crucial in order to find agreement between the microscopic entropy based on state counting and the macroscopic entropy based on an effective field theory computation. We discuss this and related issues for the case of four-dimensional N=2 supersymme... | ['1999-10-25'] |
4,902 | ['eng'] | ['Hirshfeld, A C', 'Schwarzweller, T'] | ['Path Integral Quantization of the Poisson-Sigma Model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory, SU(2)', 'dimension, 2', 'path integral', 'quantization, Batalin-Vilkovisky'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910178'] | ['We apply the antifield quantization method of Batalin and Vilkovisky to the calculation of the path integral for the Poisson-Sigma model in a general gauge. For a linear Poisson structure the model reduces to a nonabelian gauge theory, and we obtain the formula for the partition function of two-dimensional Yang-Mills... | ['1999-10-25'] |
4,903 | ['eng'] | ['Brandt, F', 'Simón, J', 'Theis, U'] | ['Exotic Gauge Theories from Tensor Calculus'] | ['Particle Physics - Theory'] | ['gauge field theory, interaction', 'any-dimensional', 'Einstein-Maxwell equation', 'differential forms', 'dimensional reduction', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910177'] | ['We construct non-standard interactions between exterior form gauge fields by gauging a particular global symmetry of the Einstein-Maxwell action for such fields. Further gauge theories of the same type with couplings to scalar fields are then obtained by dimensional reduction. The construction uses an appropriate ten... | ['1999-10-25'] |
4,904 | ['eng'] | ['Van Hoof, K'] | ['An action for the (2,0) self-dual tensor multiplet in a conformal supergravity background'] | ['Particle Physics - Theory'] | ['supergravity', 'multiplet, tensor', 'duality', 'invariance, conformal', 'invariance, gauge', 'dimension, 6', 'supersymmetry', 'action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910175'] | ['We present the action for a self-dual tensor in six dimensions, coupled to a (2,0) conformal supergravity background. This action gives rise to the expected equations of motion. An alternative look upon one of the gauge symmetries clarifies its role in the supersymmetry transformation rules and the realisation of the... | ['1999-10-25'] |
4,905 | ['eng'] | ['Kehagias, A A', 'Kiritsis, Elias B'] | ['Mirage Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model, D-brane', 'membrane model, p-brane', 'space-time', 'magnetic field, background field', 'energy', 'boundary condition', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910174'] | ['A brane universe moving in a curved higher-dimensional bulk space is considered. The motion induces a cosmological evolution on the universe brane that is indistinguishable from a similar one induced by matter density on the brane. The phenomenological implications of such an idea are discussed. Various mirage energy... | ['1999-10-22'] |
4,906 | ['eng'] | ['Karp, R L', 'Mansouri, F', 'Rno, J S'] | ['Product Integral Formalism and Non-Abelian Stokes Theorem'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Wilson loop', 'loop space', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910173'] | ["We make use of the properties of product integrals to obtain a surface product integral representation for the Wilson loop operator. The result can be interpreted as the non-abelian version of Stokes' theorem."] | ['1999-10-22'] |
4,907 | ['eng'] | ['Diaconescu, D E', 'Römelsberger, C'] | ['D-Branes and Bundles on Elliptic Fibrations'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'fibre bundle', 'geometry, algebra', 'field theory, Calabi-Yau', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910172'] | ['We study the D-brane spectrum on a two-parameter Calabi-Yau model. The analysis is based on different tools in distinct regions of the moduli space: wrapped brane configurations on elliptic fibrations near the large radius limit, and SCFT boundary states at the Gepner point. We develop an explicit correspondence betw... | ['1999-10-22'] |
4,908 | ['eng'] | ['Galtsov, D V', 'Kerner, R'] | ['Classical glueballs in non-Abelian Born-Infeld theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'gauge field theory, nonabelian', 'glueball, classical', 'sphaleron', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910171'] | ['It is shown that the Born-Infeld-type modification of the quadratic Yang-Mills action suggested by the superstring theory gives rise to classical particle-like solutions prohibited in the standard Yang-Mills theory. This becomes possible due to the scale invariance breaking by the Born-Infeld non-linearity. New class... | ['1999-10-22'] |
4,909 | ['eng'] | ['Douglas, M R'] | ['Topics in D-geometry'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999', 'membrane model, D-brane', 'space-time, Calabi-Yau', 'stability', 'symmetry, mirror', 'field theory, conformal', 'boundary condition', 'moduli space', 'prepotential', 'Gepner model', 'spectra, BPS', 'supersymmetry', 'attractor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910170'] | ["We discuss the general theory of D-branes on Calabi-Yaus, recent results from the theory of boundary states, and new results on the spectrum of branes on the quintic CY. (Contribution to the proceedings of Strings '99 in Potsdam, Germany.)"] | ['1999-10-22'] |
4,910 | ['eng'] | ['Cartier, C', 'Copeland, E J', 'Madden, R'] | ['The Graceful Exit in String Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'astrophysics, model', 'string model, heterotic', 'effective action', 'quantization, correction', 'dilaton', 'inflationary universe', 'particle, production', 'effect, finite size'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910169'] | ['We re-examine the graceful exit problem in the pre-big bang scenario of string cosmology, by considering the most general time-dependent classical correction to the Lagrangian with up to four derivatives. By including possible forms for quantum loop corrections we examine the allowed region of parameter space for the... | ['1999-10-22'] |
4,911 | ['eng'] | ['De Berredo-Peixoto, G', 'Helayël-Neto, José A', 'Shapiro, I L'] | ['On the Consistency of a Fermion-Torsion Effective Theory'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'field theory, scalar', 'fermion', 'torsion', 'Ward identity', 'perturbation theory, higher-order', 'higher-order, 2', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910168'] | ['We discuss the possibility to construct an effective quantum field theory for an axial vector coupled to a Dirac spinor field. A massive axial vector describes antisymmetric torsion. The consistency conditions include unitarity and renormalizability in the low-energy region. The investigation of the Ward identities a... | ['1999-10-22'] |
4,912 | ['eng'] | ['Nandori, I', 'Polonyi, J', 'Sailer, K'] | ['On the renormalization of periodic potentials'] | ['Particle Physics - Theory'] | ['potential', 'renormalization', 'sine-Gordon model', 'dimension, 2', 'renormalization group, fixed point', 'symmetry, spontaneously broken', 'XY model', 'critical phenomena', 'effective potential, triviality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910167'] | ['The renormalization of the periodic potential is investigated in the framework of the Euclidean one-component scalar field theory by means of the differential RG approach. Some known results about the sine-Gordon model are recovered in an extremely simple manner. There are two phases, an ordered one with asymptotical... | ['1999-10-22'] |
4,913 | ['eng'] | ['Bashinsky, S V'] | ['Effective Energy Approach to Collectively Quantized Systems'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'soliton', 'quantization, collective', 'effective Hamiltonian', 'energy', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910165'] | ['We generalize effective energy variational techniques to study appropriately quantized solitonic field configurations. Our approach rests on collective quantization ideas and is specifically designed for the numerical evaluation of soliton parameters. We employ this method to obtain the one-loop quantum corrections t... | ['1999-10-22'] |
4,914 | ['eng'] | ['Banks, T', 'Motl, L'] | ['A nonsupersymmetric matrix orbifold'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'matrix model', 'gauge field theory, U(N) x U(N)', 'orbifold', 'action', 'expansion, cluster'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910164'] | ["We construct the matrix description for a twisted version of the IIA string theory on S^1 with fermions antiperiodic around a spatial circle. The result is a 2+1-dimensional U(N) x U(N) nonsupersymmetric Yang-Mills theory with fermionic matter transforming in the (N,Nbar). The two U(N)'s are exchanged if one goes aro... | ['1999-10-21'] |
4,915 | ['eng'] | ['Cabral, L A', 'Rivelles, V O'] | ['Particles and Strings in Degenerate Metric Spaces'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'string model', 'Hamiltonian formalism', 'integrability', 'constraint', 'gravitation, background field', 'path integral, quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910163'] | ['We consider relativistic and non-relativistic particles and strings in spaces (or space-times) with a degenerate metric. We show that the resulting dynamics is described by a rich structure of constraints. All constraints are classified and the dynamics depends strongly on the parity of the difference between the dim... | ['1999-10-21'] |
4,916 | ['eng'] | ['Amorim, R', 'Barcelos-Neto, J', 'Wotzasek, C'] | ['Partially embedding of the quantum mechanical analog of the nonlinear sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'quantum mechanics', 'Hamiltonian formalism', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910162'] | ['We consider the quantum mechanical analog of the nonlinear sigma model. It appears that this theory cannot be completely embedded in a more general gauge theory. We show in this paper that it is possible to have a gauge theory that partially embeds it.'] | ['1999-10-21'] |
4,917 | ['eng'] | ['Meissner, K A', 'Olechowski, M'] | ['Towards supersymmetric cosmology in M theory'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'supersymmetry, transformation', 'astrophysics', 'field equations, solution', 'orientifold', 'space-time, Calabi-Yau'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910161'] | ['We present a new solution in the heterotic M-theory in which the metric depends on (cosmic) time. The solution preserves N=1 supersymmetry in 4 dimensions in the leading order of the $\\kappa^{2/3}$ expansion. It is the first example of the time-dependent supersymmetric solution in M-theory on $S^1/Z_2$. It describes... | ['1999-10-21'] |
4,918 | ['eng'] | ['Wyllard, N'] | ['(Super)conformal many-body quantum mechanics with extended supersymmetry'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, superfield', 'many-body problem', 'Hamiltonian formalism', 'Lagrangian formalism', 'invariance, conformal', 'Calogero model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910160'] | ['We study N=4 supersymmetric quantum-mechanical many-body systems with M bosonic and 4M fermionic degrees of freedom. We also investigate the further restrictions of conformal and superconformal invariance. In particular, we construct conformal N=4 extensions of the A_{M-1} Calogero models, which for generic values of... | ['1999-10-21'] |
4,919 | ['eng'] | ['Lindström, U', 'Zabzine, M', 'Zheltukhin, A A'] | ['Limits of the D-brane action'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'Born-Infeld model, action', 'geometry, background', 'approximation, strong coupling', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910159'] | ['For background geometries whose metric contain a scale $\\gamma$ we reformulate the Born-Infeld D-brane action in terms of $\\epsilon \\equiv \\gamma /(2\\pi \\alpha \')$. This may be taken as a starting point for various perturbative treatments of the theory. We study two limits that arise at zeroth order of such pe... | ['1999-10-21'] |
4,920 | ['eng'] | ['Park, M I', 'Ho, J'] | ['Comments on "Black Hole Entropy from Conformal Field Theory in Any Dimension"'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'field theory, conformal', 'algebra, Virasoro'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910158'] | ['In a recent letter, Carlip proposed a generalization of the Brown-Henneaux-Strominger construction to any dimension. We present two criticisms about his formulation.'] | ['1999-10-21'] |
4,921 | ['eng'] | ['Kim, V T', 'Matveev, V A', 'Pivovarov, G B', 'Vary, J P'] | ['Canonical Formulation of the Light-Front Gluodynamics and Quantization of the Non-Abelian Plane Waves'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'quantization, light front', 'Hamiltonian formalism', 'Gauss law', 'plane wave'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910157'] | ["Without a gauge fixing, canonical variables for the light-front SU(2) gluodynamics are determined. The Gauss law is written in terms of the canonical variables. The system is qualified as a generalized dynamical system with first class constraints. Abeliazation is a specific feature of the formulation (most of the ca... | ['1999-10-21'] |
4,922 | ['eng'] | ['Gaberdiel, M R'] | ['An Introduction to Conformal Field Theory'] | ['Particle Physics - Theory'] | ['review', 'field theory, conformal', 'dimension, 2', 'finite temperature', 'phase space', 'operator, vertex', 'algebra, Virasoro', 'algebra, W(N)', 'n-point function', 'factorization', 'expansion, cluster', 'operator product expansion', 'coset space', 'orbifold', 'representation', 'fusion, algebra', 'correlation funct... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910156'] | ['A comprehensive introduction to two-dimensional conformal field theory is given.'] | ['1999-10-20'] |
4,923 | ['eng'] | ['Uranga, A M'] | ['A New Orientifold of $C^{2}/Z_{N}$ and Six-dimensional RG Fixed Points'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, D-brane', 'membrane model, p-brane', 'particle, multiplet', 'group theory, representation', 'duality', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910155'] | ['We discuss the consistency conditions of a novel orientifold projection of type IIB string theory on C^2/Z_N singularities, in which one mods out by the combined action of world-sheet parity and a geometric operation which exchanges the two complex planes. The field theory on the world-volume of D5-brane probes defin... | ['1999-10-20'] |
4,924 | ['eng'] | ['Beneventano, C G', 'De Francia, M', 'Kirsten, K', 'Santangelo, E M'] | ['Casimir energy of massive MIT fermions in a Bohm-Aharonov background'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'fermion, massive', 'dimension, 3', 'effect, Casimir', 'energy', 'flux, magnetic', 'string model', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910154'] | ['We study the effect of a background flux string on the vacuum energy of massive Dirac fermions in 2+1 dimensions confined to a finite spatial region through MIT boundary conditions. We treat two admissible self-adjoint extensions of the Hamiltonian and compare the results. In particular, for one of these extensions, ... | ['1999-10-20'] |
4,925 | ['eng'] | ['Rupp, C'] | ['Conformal Transformation Properties of the B-type Supercurrent'] | ['Particle Physics - Theory'] | ['supersymmetry, superspace', 'symmetry breaking, conformal', 'Ward identity', 'supergravity, background field', 'current', 'Wess-Zumino model, massless', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910153'] | ['We investigate the superconformal transformation properties of the supercurrent as well as of the superconformal anomalies themselves in d=4, N=1 supersymmetric quantum field theory. Matter supercurrent and anomalies are coupled to a classical background of minimal supergravity fields. On flat superspace, there exist... | ['1999-10-20'] |
4,926 | ['eng'] | ['Kobayashi, T'] | ['Physical equivalence on non-standard space and symmetries on infinitesimal- lattice spaces'] | ['Particle Physics - Theory'] | ['talk, Kloster Mehrerau 1999/08/01', 'space-time, transformation', 'measurement', 'field theory', 'symmetry, U(1)', 'symmetry, SU(N)', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910152'] | ['Equivalence in physics is discussed on the basis of experimental data accompanied by experimental errors. The introduction of the equivalence being consistent with the mathematical definition is possible only in theories constructed on non-standard number spaces by taking the experimental errors as infinitesimal numb... | ['1999-10-20'] |
4,927 | ['eng'] | ['Park, D K', 'Müller-Kirsten, H J W', 'Liang, J Q'] | ['Winding Number Transitions in the Mottola-Wipf Model on a Circle'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, Euclidean', 'dimension, 2', 'sphaleron', 'fluctuation', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910151'] | ['Winding number transitions from quantum to classical behavior are studied in the case of the {1+1} dimensional Mottola-Wipf model with the space coordinate on a circle for exploring the possibility of obtaining transitions of second order. The model is also studied as a prototype theory which demonstrates the procedu... | ['1999-10-20'] |
4,928 | ['eng'] | ['Eden, B U', 'Howe, Paul S', 'Schubert, C', 'Sokatchev, Emery S', 'West, Peter C'] | ['Extremal correlators in four-dimensional SCFT'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'dimension, 2', 'n-point function', 'analytic properties', 'coupling constant, dependence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910150'] | ['It is shown that certain extremal correlators in four-dimensional N=2 superconformal field theories (including N=4 super-Yang-Mills as a special case) have a free-field functional form. It is further argued that the coupling constant dependence receives no correction beyond the lowest order. These results hold for an... | ['1999-10-20'] |
4,929 | ['eng'] | ['Kraus, P'] | ['Dynamics of Anti-de Sitter Domain Walls'] | ['Particle Physics - Theory'] | ['domain wall', 'space-time, anti-de Sitter', 'black hole', 'dimension, 5', 'dimension, 4', 'space-time, Robertson-Walker', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910149'] | ['We study solutions corresponding to moving domain walls in the Randall-Sundrum universe. The bulk geometry is given by patching together black hole solutions in AdS$_5$, and the motion of the wall is determined from the junction equations. Observers on the wall interpret the motion as cosmological expansion or contra... | ['1999-10-19'] |
4,930 | ['eng'] | ['Gannon, T'] | ['Integers in the open string'] | ['Particle Physics - Theory'] | ['string model', 'field theory, conformal', 'field theory, rational', 'number theory', 'Wess-Zumino-Witten model, SU(3)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910148'] | ["We show that the $Y_{ab}^c$ of Pradisi-Sagnotti-Stanev are indeed integers, and we prove a conjecture of Borisov-Halpern-Schweigert. We indicate some of the special features which arise when the order of the modular matrix T is odd. Our arguments are general, applying to arbitrary ``parent'' RCFT assuming only that T... | ['1999-10-19'] |
4,931 | ['eng'] | ['Gaillard, Mary Katherin'] | ['One-loop Regularization of Supergravity; 2, The Dilaton and the Superfield Formulation'] | ['Particle Physics - Theory'] | ['supergravity', 'perturbation theory, higher-order', 'dilaton', 'supersymmetry, superfield', 'regularization', 'renormalization', 'spontaneous compactification, orbifold', 'potential, Kaehler', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910147'] | ['The on-shell regularization of the one-loop divergences of supergravity theories is generalized to include a dilaton of the type occurring in effective field theories derived from superstring theory, and the superfield structure of the one-loop corrections is given. Field theory anomalies and quantum contributions to... | ['1999-10-19'] |
4,932 | ['eng'] | ['Markopoulou, F', 'Smolin, L'] | ['Holography in a quantum spacetime'] | ['Particle Physics - Theory'] | ['quantum space', 'holography', 'astrophysics', 'geometry', 'information theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910146'] | ["We propose a formulation of the holographic principle, suitable for a background independent quantum theory of cosmology. It is stated as a relationship between the flow of quantum information and the causal structure of a quantum spacetime. Screens are defined as sets of events at which the observables of a holograp... | ['1999-10-19'] |
4,933 | ['eng'] | ['Berenstein, D E', 'Leigh, Robert G'] | ['Quantization of Superstrings in Ramond-Ramond Backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'background field', 'sigma model, nonlinear', 'operator, vertex', 'operator product expansion', 'transformation, Becchi-Rouet-Stora', 'phase space', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910145'] | ['We present a perturbative study of Ramond-Ramond backgrounds in the NSR formalism. We show how to perform sigma-model computations and discuss in detail the structure of the BRST charge and picture-changing operators. Contact terms play a vital role in the analysis. We also give evidence for a two loop non-renormaliz... | ['1999-10-19'] |
4,934 | ['eng'] | ['Hammou, A B', 'Morales, J F'] | ['Fivebrane instantons and higher derivative couplings in type I theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'instanton', 'field theory, conformal', 'orbifold', 'particle, multiplet', 'mass spectrum', 'derivative, high', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910144'] | ['We express the infinite sum of D-fivebrane instanton corrections to ${\\cal R}^2$ couplings in ${\\cal N}=4$ type I string vacua, in terms of an elliptic index counting 1/2-BPS excitations in the effective $Sp(N)$ brane theory. We compute the index explicitly in the infrared, where the effective theory is argued to f... | ['1999-10-19'] |
4,935 | ['eng'] | ['Klein, M'] | ['Anomaly cancellation in D=4, N=1 orientifolds and linear/chiral multiplet duality'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'orientifold', 'duality', 'anomaly, gauge', 'particle, multiplet', 'geometry, algebra', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910143'] | ['It has been proposed that gauge and Kaehler anomalies in four-dimensional type IIB orientifolds are cancelled by a generalized Green-Schwarz mechanism involving exchange of twisted RR-fields. We explain how this can be understood using the well-known duality between linear and chiral multiplets. We find that all the ... | ['1999-10-19'] |
4,936 | ['eng'] | ['Park, M I'] | ['Use of Physical Variables in the Chern-Simons Theories'] | ['Particle Physics - Theory'] | ['talk, Dubna 1999/09/21', 'gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'quantization, constraint', 'Hamiltonian formalism', 'dependence, gauge', 'operator, algebra', 'commutation relations, anyon', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910142'] | ['The use of the physical variables in the fashion of Dirac in the three-dimensional Chern-Simons theories is presented. Our previous results are reinterpreted in a new aspect.'] | ['1999-10-19'] |
4,937 | ['eng'] | ['Jirari, H', 'Kröger, H', 'Luo, X Q', 'Moriarty, K J M'] | ['Closed Path Integrals and Renormalisation in Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'path integral', 'renormalization', 'potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910141'] | ['We suggest a closed form expression for the path integral of quantum transition amplitudes. We introduce a quantum action with renormalized parameters. We present numerical evidence in the case of the $V \\sim x^{4}$ potential. The closed path integral is relevant for quantum chaos and quantum instantons.'] | ['1999-10-19'] |
4,938 | ['eng'] | ['Carazza, B'] | ['On possibility of Decoherence due to Relativistic Effect'] | ['Particle Physics - Theory'] | ['statistical mechanics', 'density matrix', 'decoherence', 'effect, relativistic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910140'] | ['This note looks at the possibility of a system of free particles presenting decoherence in the total momentum when tracing upon their relative momenta if we take into account a relativistic correction to the expression of the kinetic energy.'] | ['1999-10-19'] |
4,939 | ['eng'] | ['Adam, C', 'Muratori, B', 'Nash, C'] | ['Degeneracy of zero modes of the Dirac operator in three dimensions'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'zero mode', 'dimension, 3', 'topology', 'transformation, Hopf'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910139'] | ['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 question whether such multiple zero modes may exist has remained unanswered until now. Here we prove that the feature of zero mode degeneracy indeed occurs for the Abel... | ['1999-10-19'] |
4,940 | ['eng'] | ['Okuyama, K'] | ['A Path Integral Representation of the Map between Commutative and Noncommutative Gauge Fields'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'gauge field theory, U(1)', 'path integral', 'membrane model, D-brane', 'gauge fixing', 'diffeomorphism', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910138'] | ['The world-volume theory on a D-brane in a constant B-field background can be described by either commutative or noncommutative Yang-Mills theories. These two descriptions correspond to two different gauge fixing of the diffeomorphism on the brane. Comparing the boundary states in the two gauges, we derive a map betwe... | ['1999-10-19'] |
4,941 | ['eng'] | ['Zhukovskii, V C'] | ['Effective Action for an SU(2) Gauge Model with a Vortex'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'vortex', 'effective action', 'effective potential', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910137'] | ['Effective action of an SU(2) gauge model with a vortex in 4-dimensional space time is calculated in the 1-loop approximation. The minimum of the effective potential is found.'] | ['1999-10-19'] |
4,942 | ['eng'] | ['Chang, Z', 'Guo, H Y'] | ['Symmetry Realization, Poisson Kernel and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'particle, mass', 'Klein-Gordon equation', 'Dirac equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910136'] | ['Two kinds of realizations of symmetry on classical domains or the Euclidean version of AdS space are used to study AdS/CFT correspondence. Mass of free particles is defined as an AdS group invariant, the Klein-Gordon and Dirac equations for relativistic particles in the AdS space are set up as a mimic in the case of ... | ['1999-10-19'] |
4,943 | ['eng'] | ['Bak, D'] | ['Deformed Nahm Equation and a Noncommutative BPS Monopole'] | ['Particle Physics - Theory'] | ['gauge field theory, U(2)', 'supersymmetry', 'gauge field theory, noncommutative', 'magnetic monopole, BPS', 'Nahm equation, deformation', 'magnetic field, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910135'] | ['A deformed Nahm equation for the BPS equation in the noncommutative N=4 supersymmetric U(2) Yang-Mills theory is obtained. Using this, we constructed explicitly a monopole solution of the noncommutative BPS equation to the linear order of the noncommutativity scale. We found that the leading order correction to the o... | ['1999-10-19'] |
4,944 | ['eng'] | ['Bautier, K'] | ['Diffeomorphisms and Weyl transformations in $AdS_{3}$ gravity'] | ['Particle Physics - Theory'] | ['talk, Paris 1999/09/01', 'gravitation', 'space-time, anti-de Sitter', 'diffeomorphism', 'transformation, Weyl', 'dimension, 3', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910134'] | ['It is shown that the AdS_3 gravity action with boundary terms is non invariant under diffeomorphisms and that its Lie derivative has the form of the Weyl anomaly in two dimensions. This variation is compensated by a Weyl transformation of the boundary metric when the radial derivative of the metric on the boundary is... | ['1999-10-19'] |
4,945 | ['eng'] | ['Izawa, K I'] | ['On Nonlinear Gauge Theory from a Deformation Theory Perspective'] | ['Particle Physics - Theory'] | ['gauge field theory, nonlinear', 'gauge field theory, topological', 'quantization, deformation', 'dimension, 2', 'field theory, BF'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910133'] | ['Nonlinear gauge theory is a gauge theory based on a nonlinear Lie algebra (finite W algebra) or a Poisson algebra, which yields a canonical star product for deformation quantization as a correlator on a disk. We pursue nontrivial deformation of topological gauge theory with conjugate scalars in two dimensions. This l... | ['1999-10-19'] |
4,946 | ['eng'] | ['Cohen, Andrew G', 'Kaplan, D B'] | ['Solving the Hierarchy Problem with Noncompact Extra Dimensions'] | ['Particle Physics - Theory'] | ['membrane model', 'spontaneous compactification', 'dimension, 6', 'dimension, 4', 'Einstein equation', 'forces, hierarchy', 'boundary condition', 'astrophysics, string', 'gravitational radiation', 'field theory, scalar', 'space-time', 'gravitation, perturbation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910132'] | ["We show that gravitational effects of global cosmic 3-branes can be responsible for compactification from six to four space-time dimensions, naturally producing the observed hierarchy between electroweak and gravitational forces. The finite radius of the transverse dimensions follows from Einstein's equation, and is ... | ['1999-10-19'] |
4,947 | ['eng'] | ['Rovelli, C'] | ['The century of the incomplete revolution'] | ['Particle Physics - Theory'] | ['unified field theory', 'relativity theory, general', 'quantum gravity', 'Hamiltonian formalism', 'loop space', 'field theory, topological', 'string model', 'spin, foam', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910131'] | ["In fundamental physics, this has been the century of quantum mechanics and general relativity. It has also been the century of the long search for a conceptual framework capable of embracing the astonishing features of the world that have been revealed by these two ``first pieces of a conceptual revolution''. I discu... | ['1999-10-19'] |
4,948 | ['eng'] | ['Balachandran, A P', 'Vaidya, S'] | ['Instantons and Chiral Anomaly in Fuzzy Physics'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, scalar', 'field theory, fermion', 'action', 'quantization', 'instanton, zero mode', 'Theta parameter', 'anomaly, axial', 'differential geometry, noncommutative', 'susceptibility, topological', 'fuzzy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910129'] | ['In continuum physics, there are important topological aspects like instantons, theta-terms and the axial anomaly. Conventional lattice discretizations often have difficulties in treating one or the other of these aspects. In this paper, we develop discrete quantum field theories on fuzzy manifolds using noncommutativ... | ['1999-10-19'] |
4,949 | ['eng'] | ['Mkhitaryan, V V', 'Poghossian, R H', 'Sedrakian, T A'] | ['Perturbation theory in radial quantization approach and the expectation values of exponential fields in sine-Gordon model'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'Thirring model, massive', 'bosonization', 'symmetry, rotational', 'quantization', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910128'] | ["A perturbation theory for Massive Thirring Model (MTM) in radial quantization approach is developed. Investigation of the twisted sector in this theory allows us to calculate the vacuum expectation values of exponential fields $ Thirring Models coupling constant. It appears that the apparent difficulty in radial quan... | ['1999-10-19'] |
4,950 | ['eng'] | ['Mansur, L R'] | ['Canonical Quantization of Chern-Simons on the Light-Front'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'field theory, scalar', 'dimension, 3', 'quantization, light front', 'Hamiltonian formalism', 'fermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910127'] | ['By performing the canonical quantization of the Abelian Chern-Simons model on the light-front (as suggested by Dirac), we clarify some controversies appearing in recent papers that discuss the relation between the existence of excitations carrying fractional spin and statistics (anyons) and this model. Properties of ... | ['1999-10-19'] |
4,951 | ['eng'] | ['Mikhailov, A'] | ['D1D5 System and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'dimension, 10', 'sigma model, nonlinear', 'field theory, conformal', 'duality', 'membrane model, D-brane', 'membrane model, p-brane', 'Wilson loop', 'moduli space', 'instanton', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910126'] | ['Supergravity on $AdS_3\\times S^3\\times {\\bf T}^4$ has dual description as a conformal sigma-model with the target space the moduli space of instantons on the noncommutative torus. We derive the precise relation between the parameters of this noncommutative torus and the parameters of the near-horizon geometry. We ... | ['1999-10-18'] |
4,952 | ['eng'] | ['Argyres, Philip C', 'Buchel, A S'] | ['New S-dualities in N=2 supersymmetric SU(2) x SU(2) gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2) x SU(2)', 'supersymmetry', 'duality, S-duality', 'asymptotic freedom', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910125'] | ['New S-dualities in a scale invariant N=2 gauge theory with SU(2) x SU(2) gauge group are derived from embeddings of the theory in two different larger asymptotically free theories. The true coupling space of the scale invariant theory is a 20-fold identification of the coupling space found in the M- and string-theory... | ['1999-10-18'] |
4,953 | ['eng'] | ['Ho, J'] | ['Holographic Counterterm Actions and Anomalies for Asymptotic AdS and Flat Spaces'] | ['Particle Physics - Theory'] | ['gravitation', 'any-dimensional', 'space-time, asymptotic behavior', 'space-time, anti-de Sitter', 'anomaly', 'action, holography', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910124'] | ['Counterterm actions for regularizing gravitational action on non-compact spaces are studied in evaluating the action value on boundaries. It is shown that the boundary action value, so the counterterm action, always can be written as an integration form of intrinsic boundary geometry. We consider some examples and sh... | ['1999-10-18'] |
4,954 | ['eng'] | ['Gurappa, N', 'Panigrahi, P K'] | ['Free harmonic oscillators, Jack polynomials and Calogero-sutherland systems'] | ['Particle Physics - Theory'] | ['Calogero-Sutherland model', 'Hamiltonian formalism', 'phase space, Hilbert space', 'model, oscillator', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910123'] | ['The algebraic structure and the relationships between the eigenspaces of the Calogero-Sutherland model (CSM) and the Sutherland model (SM) on a circle are investigated through the Cherednik operators. We find an exact connection between the simultaneous non-symmetric eigenfunctions of the $A_{N-1}$ Cherednik operator... | ['1999-10-18'] |
4,955 | ['eng'] | ['Khuri, R R'] | ['Self-Gravitating Strings and String/Black Hole Correspondence'] | ['Particle Physics - Theory'] | ['string model', 'black hole', 'model, polymer', 'scaling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910122'] | ["In a recent essay, we discussed the possibility of using polymer sizing to model the collapse of a single, long excited string to a black hole. In this letter, we apply this idea to bring further support to string/black hole correspondence. In particular, we reproduce Horowitz and Polchinki's results for self-gravita... | ['1999-10-18'] |
4,956 | ['eng'] | ['Gato-Rivera, B'] | ['A Note concerning Subsingular Vectors and Embedding Diagrams of the N=2 Superconformal Algebras'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'algebra, conformal', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910121'] | ["Subsingular vectors of the N=2 superconformal algebras were discovered, and examples given, in 1996. Shortly afterwards Semikhatov and Tipunin claimed to have obtained a complete classification of the N=2 subsingular vectors in the paper `The Structure of Verma Modules over the N=2 Superconformal algebra', hep-th/970... | ['1999-10-18'] |
4,957 | ['eng'] | ['Pengpan, T'] | ["Kostant's cubic Dirac operator of Lie Superalgebras"] | ['Particle Physics - Theory'] | ['algebra, Lie', 'supersymmetry, algebra', 'algebra, representation', 'operator, Dirac'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910119'] | ["We extend equal rank embedding of reductive Lie algebras to that of basic Lie superalgebras. The Kac character formulas for equal rank embedding are derived in terms of subalgebras and Kostant's cubic Dirac operator for equal rank embedding of Lie superalgebras is constructed from both even and odd generators and the... | ['1999-10-18'] |
4,958 | ['eng'] | ['Hollowood, Timothy J', 'Khoze, V V', 'Mattis, M P'] | ['Instantons in N=4 Sp(N) and SO(N) theories and the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'gauge field theory, Sp(N)', 'gauge field theory, SO(N)', 'instanton', 'expansion 1/N', 'effective action', 'path integral, measure', 'expansion, cluster', 'duality', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910118', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['Following work on theories with SU(N) gauge groups, we perform a large-N saddle-point approximation of the measure for ADHM multi-instantons in N=4 supersymmetric gauge theories with symplectic or orthogonal gauge groups. For Sp(N) we find that a saddle-point only exists in the even instanton charge sector. For eithe... | ['1999-10-18'] |
4,959 | ['eng'] | ['Gubser, S S'] | ['Non-conformal examples of AdS/CFT'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'space-time, anti-de Sitter', 'gravitation', 'field theory, conformal', 'deformation', 'vacuum state', 'supersymmetry', 'supergravity', 'two-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910117'] | ["Asymptotically anti-de Sitter spacetimes with Poincare invariance along the boundary can describe, via the AdS/CFT correspondence, either relevant deformations of a conformal field theory or non-conformal vacuum states. I consider examples of both types constructed in the framework of five-dimensional gauged supergra... | ['1999-10-18'] |
4,960 | ['eng'] | ['Volkov, M S'] | ['Euclidean Freedman-Schwarz model'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, SU(2) x SU(1,1)', 'field theory, Euclidean', 'dimension, 10', 'space-time, anti-de Sitter', 'dimensional reduction, adS(3) x S(3)', 'dimension, 4', 'magnetic monopole', 'vacuum state', 'supersymmetry', 'sphaleron'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910116'] | ["The N=4 gauged SU(2)$\\times$SU(1,1) supergravity in four-dimensional Euclidean space is obtained via a consistent dimensional reduction of the N=1, D=10 supergravity on $S^3\\times AdS_3$. The dilaton potential in the theory is proportional to the difference of the two gauge coupling constants, which is due to the o... | ['1999-10-18'] |
4,961 | ['eng'] | ['Obers, N A', 'Pioline, B'] | ['Eisenstein Series in String Theory'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'string model', 'mass formula', 'duality', 'scattering amplitude', 'moduli space', 'mass, BPS', 'coupling, expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910115'] | ['We discuss the relevance of Eisenstein series for representing certain G(Z)-invariant string theory amplitudes which receive corrections from BPS states only. The Eisenstein series are constructed using G(Z)-invariant mass formulae and are manifestly invariant modular functions on the symmetric space particular, we s... | ['1999-10-18'] |
4,962 | ['eng'] | ['Paston, S A', 'Prokhvatilov, E V', 'Franke, V A'] | ['$QED_{2}$ Light-Front Hamiltonian reproducing all orders of covariant chiral perturbation theory'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion', 'dimension, 2', 'bosonization', 'quantization, light front', 'Hamiltonian formalism', 'condensation, chiral', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910114'] | ['Light-Front (LF) Hamiltonian for QED in (1+1)-dimensions is constructed using the boson form of this model with additional Pauli-Villars type ultaviolet regularization. Perturbation theory, generated by this LF Hamiltonian, is proved to be equivalent to usual covariant chiral perturbation theory. The obtained LF Hami... | ['1999-10-18'] |
4,963 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Weyl anomaly from Weyl gravity'] | ['Particle Physics - Theory'] | ['gravitation, Weyl', 'anomaly, conformal', 'dimension, 5', 'supergravity', 'field theory, conformal', 'space-time, anti-de Sitter', 'duality', 'expansion 1/N', 'gauge field theory, Sp(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910113'] | ['We calculate the conformal anomaly from 5d Weyl gravity (with broken conformal symmetry) which is conjectured to be supergravity dual to ${\\cal N}=2$ superconformal field theory via AdS/CFT correspondence. Its comparison with ${\\cal N}=2$ SCFT conformal anomaly (UV calculation) suggests that such duality may exist ... | ['1999-10-18'] |
4,964 | ['eng'] | ['Balog, J', 'Fehér, L', 'Palla, L'] | ['Classical Wakimoto Realizations of Chiral WZNW Bloch Waves'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, chiral', 'dimension, 2', 'current algebra', 'algebra, exchange', 'algebra, Kac-Moody', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910112'] | ['It is well-known that the chiral WZNW Bloch waves satisfy a quadratic classical exchange algebra which implies the affine Kac-Moody algebra for the corresponding currents. We here obtain a direct derivation of the exchange algebra by inverting the symplectic form on the space of Bloch waves, and give a completely alg... | ['1999-10-18'] |
4,965 | ['eng'] | ['Mihailescu, M'] | ['Correlation functions for chiral primaries in D=6 Supergravity on $AdS_{3} \\times S^{3}$'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'space-time, anti-de Sitter', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910111'] | ['Six dimensional supergravities on $ADS_3 \\times S^3$ present interest due to the role they play in the $AdS/CFT$ correspondence. The correspondence in this case states the equivalence between supergravity on the given background and a still unknown conformal field theory. The conformal field theory in question is ex... | ['1999-10-15'] |
4,966 | ['eng'] | ['Günaydin, M', 'Takemae, S'] | ['Unitary Supermultiplets of $OSp(8^{*}|4)$ and the $AdS_{7}/CFT_{6}$ Duality'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 7', 'field theory, conformal', 'dimension, 6', 'supersymmetry, OSp(8|4)', 'multiplet', 'algebra, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910110'] | ['We study the unitary supermultiplets of the N=4 d=7 anti-de Sitter (AdS_7) superalgebra OSp(8^*|4), with the even subalgebra SO(6,2) X USp(4), which is the symmetry superalgebra of M-theory on AdS_7 X S^4. We give a complete classification of the positive energy doubleton and massless supermultiplets of OSp(8^*|4) . ... | ['1999-10-15'] |
4,967 | ['eng'] | ['Gaberdiel, M R', 'Stefanski, B'] | ['Dirichlet Branes on Orbifolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'spontaneous compactification, torus', 'orbifold, Z(2)', 'charge, density', 'phase space', 'K-theory', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910109'] | ['The D-brane spectrum of a class of $\\Zop_2$ orbifolds of toroidally compactified Type IIA and Type IIB string theory is analysed systematically. The corresponding K-theory groups are determined and complete agreement is found. The charge densities of the various branes are also calculated.'] | ['1999-10-15'] |
4,968 | ['eng'] | ['Chakraborty, D', 'Mukherjee, A', 'Kundu, R', 'Harindranath, A'] | ['A Numerical Experiment in DLCQ'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'quantization, light cone', 'discrete', 'continuum limit', 'correlation function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910108'] | ['Issues related with microcausality violation and continuum limit in the context of (1+1) dimensional scalar field theory in discretized light-cone quantization (DLCQ) are addressed in parallel with discretized equal time quantization (DETQ) and the fact that Lorentz invariance and microcausality are restored if one c... | ['1999-10-15'] |
4,969 | ['eng'] | ['Guhr, T', 'Wilke, T', 'Weidenmüller, H A'] | ['Stochastic field theory for a Dirac particle propagating in gauge field disorder'] | ['Particle Physics - Theory'] | ['particle, Dirac', 'gauge field theory', 'model, stochastic', 'diffusion', 'supersymmetry', 'symmetry, chiral', 'symmetry, spontaneously broken', 'Jona-Lasinio-Nambu model', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910107'] | ["Recent theoretical and numerical developments show analogies between quantum chromodynamics (QCD) and disordered systems in condensed matter physics. We study the spectral fluctuations of a Dirac particle propagating in a finite four dimensional box in the presence of gauge fields. We construct a model which combines... | ['1999-10-15'] |
4,970 | ['eng'] | ['Biswas, A K', 'Maharana, J P'] | ['The Holography Hypothesis in Pre-Big-Bang Cosmology with String Sources'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'holography', 'gravitation', 'dilaton', 'Einstein equation, solution', 'effective action', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910106'] | ['The holographic ratio in Pre-big bang string cosmology is obtained in the presence string sources. An iterative procedure is adopted to solve the equations of motion and derive the ratio in four dimensional world. First the zeroth order ratio is computed in the remote past, i.e. at $t=-\\infty$, then the holographic ... | ['1999-10-15'] |
4,971 | ['eng'] | ['Natsuume, M', 'Okamura, T', 'Sato, M'] | ['Three-Dimensional Gravity with Conformal Scalar and Asymptotic Virasoro Algebra'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 3', 'black hole', 'entropy', 'Hamiltonian formalism', 'constraint', 'asymptotic behavior, anti-de Sitter', 'algebra, Virasoro', 'central charge', 'field theory, conformal', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910105'] | ['Strominger has derived the Bekenstein-Hawking entropy of the BTZ black hole using asymptotic Virasoro algebra. We apply Strominger\'s method to a black hole solution found by Martinez and Zanelli (MZ). This is a solution of three-dimensional gravity with a conformal scalar field. The solution is not $AdS_3$, but it i... | ['1999-10-15'] |
4,972 | ['eng'] | ['Jiang, Y', 'Duan, Y'] | ['The branch process of the cosmic strings'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'current, tensor', 'current, topological', 'quantization, topological', 'stability', 'bifurcation', 'space-time, Riemann-Cartan', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910104'] | ['In the light of $\\phi$-mapping method and the topological tensor current theory, the topological structure and the topological quantization of topological defects are obtained under the condition that Jacobian $J(\\phi/v)\\neq0$. When $J(\\phi/v)=0$, it is shown that there exists the crucial case of branch process. ... | ['1999-10-15'] |
4,973 | ['eng'] | ['Salwen, N K', 'Lee, D'] | ['A new approach to non-perturbative Minkowskian dynamics'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 2', 'nonperturbative', 'propagator', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910103'] | ['We introduce a new spectral approach to non-perturbative field theory within the periodic field formalism. As an example we calculate the real and imaginary parts of the propagator in 1+1 dimensional phi^4 theory, identifying both one-particle and multi-particle contributions. The techniques we discuss have broad app... | ['1999-10-14'] |
4,974 | ['eng'] | ['Dorey, P', 'Tateo, R'] | ['Differential equations and integrable models'] | ['Particle Physics - Theory'] | ['differential equations', 'integrability', 'symmetry, SU(3)', 'sine-Gordon model', 'Schroedinger equation', 'Bethe ansatz', 'field theory, conformal', 'perturbation theory', 'ground state, energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910102'] | ['We exhibit a relationship between the massless $a_2^{(2)}$ integrable quantum field theory and a certain third-order ordinary differential equation, thereby extending a recent result connecting the massless sine-Gordon model to the Schrödinger equation. This forms part of a more general correspondence involving $A_2$... | ['1999-10-14'] |
4,975 | ['eng'] | ['Laperashvili, L V', 'Nielsen, Holger Bech'] | ['Dirac relation and renormalization group equations for electric and magnetic fine structure constants'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'charge, electric', 'charge, magnetic', 'duality', 'renormalization group', 'charge, quantization', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910101'] | ['The quantum field theory describing electric and magnetic charges and revealing a dual symmetry was developed in the Zwanziger formalism. The renormalization group (RG) equations for both fine structure constants - electric $\\alpha $ and magnetic $\\tilde \\alpha $ - were obtained. It was shown that the Dirac relati... | ['1999-10-14'] |
4,976 | ['eng'] | ['McInnes, B'] | ['Gauge Spinors and String Duality'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, SO(32)', 'symmetry breaking', 'symmetry, SO(16) x SO(16)', 'duality', 'instanton', 'orbifold', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910100'] | ['When the gauge groups of the two heterotic string theories are broken, over tori, to their "SO(16)x SO(16)" subgroups, the winding modes correspond to representations which are spinorial with respect to those subgroups. Globally, the two subgroups are isomorphic neither to SO(16)x SO(16) nor to each other. Any attemp... | ['1999-10-14'] |
4,977 | ['eng'] | ['Sahakian, V V'] | ['Holography, a covariant c-function, and the geometry of the renormalization group'] | ['Particle Physics - Theory'] | ['renormalization group, c-function', 'holography', 'geometry', 'supergravity', 'gauge field theory', 'membrane model', 'space-time, anti-de Sitter', 'black hole, Schwarzschild'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910099'] | ['We propose a covariant geometrical expression for the c-function for theories which admit dual gravitational descriptions. We state a c-theorem with respect to this quantity and prove it. We apply the expression to a class of geometries, from domain walls in gauged supergravities, to extremal and near extremal Dp bra... | ['1999-10-13'] |
4,978 | ['eng'] | ['Peet, A W'] | ['Baldness/delocalization in intersecting brane systems'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'membrane model, D-brane', 'membrane model, p-brane', 'membrane model, interaction', 'field theory, anti-de Sitter', 'field theory, conformal', 'supergravity', 'bound state, BPS', 'scaling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910098'] | ["Marginally bound systems of two types of branes are considered, such as the prototypical case of Dp+4 branes and Dp branes. As the transverse separation between the two types of branes goes to zero, different behaviour occurs in the supergravity solutions depending on p; no-hair theorems result for p<=1 only. Within ... | ['1999-10-13'] |
4,979 | ['eng'] | ['Nesterenko, V V', 'Pirozhenko, I G'] | ['Spectral zeta functions for a cylinder and a circle'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massless', 'boundary condition, cylinder', 'boundary condition, circle', 'zeta function', 'energy, Casimir'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910097'] | ['Spectral zeta functions $\\zeta(s)$ for the massless scalar fields obeying the Dirichlet and Neumann boundary conditions on a surface of an infinite cylinder are constructed. These functions are defined explicitly in a finite domain of the complex plane s containing the closed interval of real axis $-1\\le$ Re $s con... | ['1999-10-13'] |
4,980 | ['eng'] | ['Vasilev, M A'] | ['Higher spin gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory', 'spin, high', 'dimension, 3', 'dimension, 4', 'current', 'space-time, anti-de Sitter', 'field equations, massless', 'field equations, solution', 'analytic properties', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910096'] | ['We review the theory of higher spin gauge fields in 2+1 and 3+1 dimensional anti-de Sitter space and present some new results on the structure of higher spin currents and explicit solutions of the massless equations. A previously obtained d=3 integrating flow is generalized to d=4 and is shown to give rise to a pertu... | ['1999-10-13'] |
4,981 | ['eng'] | ['Oda, H', 'Ito, K', 'Naganuma, M', 'Sakai, N'] | ['An exact solution of BPS domain wall junction'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1) x U(1)', 'supersymmetry', 'domain wall, BPS', 'central charge', 'soliton', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910095', 'http://arXiv.org/abs/hep-th/?9910095'] | ["An exact solution of domain wall junction is obtained in a four-dimensional N=1 supersymmetric U(1) X U(1)' gauge theory with three pairs of chiral superfields which is motivated by the N=2 SU(2) gauge theory with one flavor perturbed by an adjoint scalar mass. The solution allows us to evaluate various quantities in... | ['1999-10-13'] |
4,982 | ['eng'] | ['Blumenhagen, R', 'Kounnas, Costas', 'Lüst, Dieter'] | ['Continuous gauge and supersymmetry breaking for open strings on D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model, open', 'supersymmetry, symmetry breaking', 'symmetry, spontaneously broken', 'spontaneous compactification, orbifold', 'M-theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910094'] | ['We consider freely acting orbifold compactifications, which interpolate in two possible decompactification limits between the supersymmetric type II string and the non-supersymmetric type 0 string. In particular we discuss how D-branes are incorporated into these orbifold models. Investigating the open string spectru... | ['1999-10-13'] |
4,983 | ['eng'] | ['Cai, R G', 'Ohta, N'] | ['On the thermodynamics of large N non-commutative super Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'noncommutative', 'expansion 1/N', 'strong coupling', 'thermodynamics', 'membrane model', 'tensor, energy-momentum', 'entropy', 'supergravity', 'derivative, high'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910092'] | ["We study the thermodynamics of the large N non-commutative super Yang-Mills theory in the strong 't Hooft coupling limit in the spirit of AdS/CFT correspondence. Although the thermodynamic quantities of near-extremal D3-branes with NS B fields, which are dual gravity configurations of the non-commutative ${\\cal N}=4... | ['1999-10-13'] |
4,984 | ['eng'] | ['Bars, Itzhak', 'Minic, D'] | ['Non-commutative geometry on a discrete periodic lattice and gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, U(N)', 'space-time, lattice', 'field theory, deformation', 'differential geometry, noncommutative', 'quantum mechanics', 'magnetic field', 'matrix model', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910091'] | ["We discuss the quantum mechanics of a particle in a magnetic field when its position x^{\\mu} is restricted to a periodic lattice, while its momentum p^{\\mu} is restricted to a periodic dual lattice. Through these considerations we define non-commutative geometry on the lattice. This leads to a deformation of the al... | ['1999-10-13'] |
4,985 | ['eng'] | ['Benakli, Karim', 'Oz, Y'] | ['Small Instantons and Weak Scale String Theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'gauge field theory, SO(32)', 'gauge field theory, E(8) x E(8)', 'instanton', 'supersymmetry, symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910090'] | ['We consider heterotic string compactifications to four dimensions when instantons shrink to zero size. If the standard model gauge group originates from the new gauge symmetry associated with the small instantons singularity, then the weakly or strongly coupled heterotic string scales can be taken to be arbitrarily l... | ['1999-10-12'] |
4,986 | ['eng'] | ['Sonnenschein, J'] | ['Wilson loops from supergravity and string theory'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'Wilson loop', 'supergravity', 'space-time, anti-de Sitter', 'dimension, 10', 'string model', 'quantization, fluctuation', 'membrane model, D-brane', 'boson, determinant', 'supersymmetry', 'quark, energy', 'fermion, determinant', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910089'] | ['We present a theorem that determines the value of the Wilson loop associated with a Nambu-Goto action which generalizes the action of the $AdS_5\\times S_5$ model. In particular we derive sufficient conditions for confining behavior. We then apply this theorem to various string models. We go beyond the classical stri... | ['1999-10-12'] |
4,987 | ['eng'] | ['Dubin, A Yu'] | ['A Candidate for Solvable Large N Lattice Gauge Theory in D>2'] | ['Particle Physics - Theory'] | ['lattice field theory', 'gauge field theory, SU(N)', 'dimension, >=2', 'duality', 'model, vector', 'symmetry, Z(N)', 'partition function', 'Wilson loop', 'matrix model', 'expansion 1/N', 'scaling', 'continuum limit', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910088'] | ['I propose a class of D\\geq{2} lattice SU(N) gauge theories dual to certain vector models endowed with the local [U(N)]^{D} conjugation-invariance and Z_{N} gauge symmetry. In the latter models, both the partitition function and Wilson loop observables depend nontrivially only on the eigenvalues of the link-variables... | ['1999-10-12'] |
4,988 | ['eng'] | ['Kakushadze, Z'] | ['Non-commutative Unification in Brane World'] | ['Particle Physics - Theory'] | ['membrane model', 'string model', 'spontaneous compactification', 'Kaluza-Klein model, threshold', 'space, noncommutative', 'duality, T-duality', 'family, interference', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910087'] | ['We point out that in (open) string compactifications with non-zero NS-NS B-field we can have large Kaluza-Klein thresholds even in the small volume limit. In this limit the corresponding gauge theory description is in terms of a compactification on a non-commutative space (e.g., a torus or an orbifold thereof). Based... | ['1999-10-12'] |
4,989 | ['eng'] | ['Reuter, M'] | ['Symplectic Dirac-Kähler Fields'] | ['Particle Physics - Theory'] | ['Dirac-Kaehler equation', 'differential forms, symplectic', 'algebra, Clifford', 'algebra, Weyl', 'Hamiltonian formalism', 'phase space', 'spinor, Sp(2N)', 'gauge field theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910085'] | ['For the description of space-time fermions, Dirac-Kähler fields (inhomogeneous differential forms) provide an interesting alternative to the Dirac spinor fields. In this paper we develop a similar concept within the symplectic geometry of phase-spaces. Rather than on space-time, symplectic Dirac-Kähler fields can be ... | ['1999-10-12'] |
4,990 | ['eng'] | ['Duan, Y', 'Fu, L', 'Zhang, H'] | ['Topological current of point defects and its bifurcation'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 3', 'current, topological', 'topology, defect', 'stability', 'bifurcation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910084'] | ['From the topological properties of a three dimensional vector order parameter, the topological current of point defects is obtained. One shows that the charge of point defects is determined by Hopf indices and Brouwer degrees. The evolution of point defects is also studied. One concludes that there exist crucial case... | ['1999-10-12'] |
4,991 | ['eng'] | ['Horowitz, Gary T'] | ['Comments on Black Holes in String Theory'] | ['Particle Physics - Theory'] | ['talk, Potsdam 1999/07/19', 'string model', 'black hole, stability', 'duality', 'space-time, anti-de Sitter', 'field theory, conformal', 'strong coupling', 'space-time, any-dimensional', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910082'] | ['A very brief review is given of some of the developments leading to our current understanding of black holes in string theory. This is followed by a discussion of two possible misconceptions in this subject - one involving the stability of small black holes and the other involving scale radius duality. Finally, I des... | ['1999-10-11'] |
4,992 | ['eng'] | ['Grojean, C', 'Cline, J', 'Servant, G'] | ['Supergravity Inspired Warped Compactifications and Effective Cosmological Constants'] | ['Particle Physics - Theory'] | ['supergravity', 'effective action', 'membrane model, p-brane', 'astrophysics, fundamental constant', 'space-time, anti-de Sitter', 'quantization', 'effective Lagrangian', 'supersymmetry', 'string model', 'tensor, energy-momentum', 'space-time, higher-dimensional', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910081'] | ['We propose a supergravity derivation of the Randall-Sundrum action as an effective description of the dynamics of a brane coupled to the bulk through gravity only. The cosmological constants in the bulk and on the brane, which appear at the classical level when solving the supergravity equations of motion, are relate... | ['1999-10-11'] |
4,993 | ['eng'] | ['Helayël-Neto, José A', 'Penna-Firme, A B', 'Shapiro, I L'] | ['Scalar QED $\\overline{h}$-Corrections to the Coulomb Potential'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'field theory, scalar', 'potential, Coulomb', 'perturbation theory, higher-order', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910080'] | ['The leading long-distance 1-loop quantum corrections to the Coulomb potential are derived for scalar QED and their gauge-independence is explicitly checked. The potential is obtained from the direct calculation of the 2-particle scattering amplitude, taking into account all relevant 1-loop diagrams. Our investigation... | ['1999-10-11'] |
4,994 | ['eng'] | ['Janssen, B'] | ['Curved branes and cosmological (a,b)-models'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supergravity', 'threshold, bound state', 'bound state, BPS', 'coupling', 'astrophysics, model', 'gravitational radiation', 'magnetic monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910077'] | ['We construct p-brane solutions with non-trivial world volume metrics and show that applied to supergravity theories, they will necessaryly lead to threshold BPS bound states of intersecting solutions. However applied to certain specific values of the couplings in cosmological (a,b)-models non-trivial solutions can be... | ['1999-10-11'] |
4,995 | ['eng'] | ['Navarro-Salas, J', 'Navarro, P'] | ['$AdS_{2}/CFT_{1}$ correspondence and near-extremal black hole entropy'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'dimensional reduction', 'black hole, entropy', 'dimension, 2-4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910076'] | ["We provide a realization of the AdS$_2$/CFT$_1$ correspondence in terms of asymptotic symmetries of the AdS$_2\\times$S$^1$ and AdS$_2\\times$S$^2$ geometries arising in near-extremal BTZ and Reissner-Nordström black holes. Cardy's formula exactly accounts for the deviation of the Bekenstein-Hawking entropy from extr... | ['1999-10-11'] |
4,996 | ['eng'] | ['Nibbelink, S G'] | ['Line bundles in supersymmetric coset models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'coset space', 'potential, Kaehler', 'fibre bundle', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910075'] | ['The scalars of a N = 1 supersymmetric \\sigma-model in 4 dimensions parametrize a Kähler manifold. This Kähler manifold often takes the form of a tensor product of bundles over a basis manifold. When one of these bundles is a line bundle, the corresponding Kähler form has to satisfy a quantization condition when the ... | ['1999-10-11'] |
4,997 | ['eng'] | ['Rehren, K H'] | ['A Proof of the AdS-CFT Correspondence'] | ['Particle Physics - Theory'] | ['talk, Goslar 1999/07/18', 'space-time, anti-de Sitter', 'field theory, conformal', 'holography', 'group theory, SO(2,N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910074'] | ['The AdS-CFT correspondence is established as a re-assignment of localization to the observables which is consistent with locality and covariance.'] | ['1999-10-11'] |
4,998 | ['eng'] | ['Villalba, V M', 'Mateu, J'] | ['Vacuum effects in an asymptotically uniformly accelerated frame with a constant magnetic field'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'electromagnetic interaction', 'Dirac equation', 'Klein-Gordon equation', 'magnetic field, constant', 'acceleration', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910072'] | ['In the present article we solve the Dirac-Pauli and Klein Gordon equations in an asymptotically uniformly accelerated frame when a constant magnetic field is present. We compute, via the Bogoliubov coefficients, the density of scalar and spin 1/2 particles created. We discuss the role played by the magnetic field and... | ['1999-10-11'] |
4,999 | ['eng'] | ['Hou, X', 'Losev, A S', 'Shifman, M'] | ['BPS Saturated Solitons in N=2 Two-Dimensional Theories on RxS (Domain Walls in Theories with Compactified Dimensions)'] | ['Particle Physics - Theory'] | ['Landau-Ginzburg model', 'supersymmetry, superfield', 'dimension, 2', 'soliton, BPS', 'stability', 'loop space', 'domain wall', 'spontaneous compactification, R(1) x S(1)', 'fluctuation, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9910071'] | ["We discuss topologically stable solitons in two-dimensional theories with the extended supersymmetry assuming that the spatial coordinate is compact. This problem arises in the consideration of the domain walls in the popular theories with compactified extra dimensions. Contrary to naive expectations, it is shown tha... | ['1999-10-08'] |
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