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 |
|---|---|---|---|---|---|---|---|---|
1,400 | ['eng'] | ['Dai, J', 'Song, X C'] | ['Wilson Action of Lattice Gauge Fields with An Additional Term from Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['lattice field theory', 'gauge field theory, action', 'differential geometry, noncommutative', 'operator, Dirac', 'potential, gauge', 'field strength, tensor', 'unitarity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101184'] | ['Differential structure of lattices can be defined if the lattices are treated as models of noncommutative geometry. The detailed construction consists of specifying a generalized Dirac operator and a wedge product. Gauge potential and field strength tensor can be defined based on this differential structure. When an ... | ['2001-01-29'] |
1,401 | ['eng'] | ['Mamedov, S', 'Zhang, J Z', 'Zhukovskii, V C'] | ['Supersymmetry in Quantum Mechanics of Colored Particles'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'colored particle', 'supersymmetry', 'particle, Dirac', 'ground state, wave function', 'charge, operator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101183'] | ['The role of supercharge operators is studied in the case of a Dirac particle moving in a constant chromomagnetic field. The Hamiltonian is factorised and the ground state wave function in the case of unbroken supersymmetry is determined.'] | ['2001-01-29'] |
1,402 | ['eng'] | ['Dubin, A Y'] | ['The Gauge String Solution of the D>=3 Yang-Mills Loop Equations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, >=3', 'field equations, solution', 'loop space', 'string model', 'approximation, strong coupling', 'duality', 'dimensional reduction', 'string tension, scaling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101182'] | ["I adapt the Gauge String, representing the strong coupling (SC) expansion in the continuous D>=3 Yang-Mills theory (YM_{D}) with a sufficiently large bare coupling constant \\lambda>\\lambda_{cr} and a fixed ultraviolet cut off \\Lambda, to the analysis of the regularized Wilson's loop-averages. When generalized to d... | ['2001-01-29'] |
1,403 | ['eng'] | ['Delfino, G'] | ['One-point functions in integrable quantum field theory at finite temperature'] | ['Particle Physics - Theory'] | ['finite temperature', 'integrability', 'n-point function, 1', 'form factor, expansion', 'Ising model, magnetic field', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101180'] | ['We determine the form factor expansion of the one-point functions in integrable quantum field theory at finite temperature and find that it is simpler than previously conjectured. We show that no singularities are left in the final expression provided that the operator is local with respect to the particles and argue... | ['2001-01-29'] |
1,404 | ['eng'] | ['Kim, H', 'Yoon, Y'] | ['Yang-Mills Instantons Sitting on a Ricci-flat Worldspace of Double D4-brane'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 4', 'Born-Infeld model', 'gauge field theory, SU(2)', 'space-time', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101179'] | ["Thus far, there seem to be no complete criteria that can settle the issue as to what the correct generalization of the Dirac-Born-Infeld (DBI) action, describing the low-energy dynamics of the D-branes, to the non-abelian case would be. According to recent suggestions, one might pass the issue of worldvolume solitons... | ['2001-01-29'] |
1,405 | ['eng'] | ['Shima, K', 'Tsuda, M'] | ['New supersymmetry algebra on gravitational interaction of Nambu-Goldstone fermion'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'fermion, Goldstone particle', 'grand unified theory, SO(10)', 'supersymmetry, nonlinear', 'gravitation', 'transformation, Lorentz'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101178'] | ['The spacetime symmetries of SGM action proposed as the gravitational coupling of N-G fermions are investigated. The commutators of new nonlinear supersymmetry (NL SUSY) transformations form a closed algebra, which reveals N-G fermion (NL SUSY) nature and a generalized general coordinate transformation. A generalized ... | ['2001-01-29'] |
1,406 | ['eng'] | ['Okuyama, K'] | ['Comments on Open Wilson Lines and Generalized Star Products'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'background field, constant', 'gauge field theory, noncommutative', 'Wilson loop', 'Seiberg-Witten transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101177'] | ['We consider an open Wilson line as a momentum representation of a boundary state which describes a D-brane in a constant B-field background. Using this picture, we study the Seiberg-Witten map which relates the commutative and noncommutative gauge fields, and determine the products of fields appearing in the general ... | ['2001-01-29'] |
1,407 | ['eng'] | ['Volovich, I V'] | ['Discreteness in deSitter Space and Quantization of Kahler Manifolds'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'horizon, quantization', 'potential, Kaehler', 'quantum gravity', 'entropy', 'Hilbert space', 'Planck constant, quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101176'] | ["Recently, it has been proposed that the dimension of the Hilbert space of quantum gravity in deSitter space is finite and moreover it is expressed in terms of the coupling constants by using the entropy formula. A weaker conjecture would be that the coupling constant in deSitter space should take only discrete values... | ['2001-01-26'] |
1,408 | ['eng'] | ['Hamber, H W'] | ['Scaling Dimensions of Lattice Quantized Gravity'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'quantum gravity', 'lattice field theory', 'scaling, dimension', 'scaling, finite size', 'renormalization group', 'gravitation, fundamental constant', 'correlation, length', 'space-time', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101175'] | ["I discuss a model for quantized gravitation based on the simplicial lattice discretization. It has been studied in some detail using a comprehensive finite size scaling analysis combined with renormalization group methods. The results are consistent with a value for the universal critical exponent for gravitation $\\... | ['2001-01-26'] |
1,409 | ['eng'] | ['Dorey, P'] | ['Boundary integrable quantum field theories'] | ['Particle Physics - Theory'] | ['talk, Budapest 2000/08/14', 'field theory', 'boundary condition', 'integrability', 'S-matrix', 'perturbation theory', 'bound state, spectra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101174'] | ["A brief survey of recent results in the study of boundary integrable quantum field theories, indicating some currently open problems. Based on lectures given at the 2000 Eotvos Summer School in Physics on `Nonperturbative QFT methods and their applications'."] | ['2001-01-26'] |
1,410 | ['eng'] | ['Orland, P'] | ['Evolution of Fixed-End Strings and the Off-Shell Disk Amplitude'] | ['Particle Physics - Theory'] | ['boson, string model', 'scattering amplitude, off-shell', 'random surface', 'potential, static', 'field theory, Liouville', 'energy, operator', 'propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101173'] | ['An exact integral expression is found for the amplitude of a Bosonic string with ends separated by a fixed distance $R$ evolving over a time $T$ between arbi- trary initial and final configurations. It is impossible to make a covariant subtraction of a covariant quantity which would render the amplitude non-zero. It ... | ['2001-01-26'] |
1,411 | ['eng'] | ['Kogan, I I', 'Kovner, A', 'Tekin, B'] | ['Instanton molecules at high temperature'] | ['Particle Physics - Theory'] | ['instanton, molecule', 'Georgi-Glashow model', 'dimension, 3', 'temperature, high', 'correlation function', 'quantum chromodynamics', 'dimension, 4', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101171'] | ['We show that correlators of some local operators in gauge theories are sensitive to the presence of the instantons even at high temperature where the latter are bound into instanton-antiinstanton "molecules". We calculate correlation functions of such operators in the deconfined phase of the 2+1 dimensional Georgi-Gl... | ['2001-01-26'] |
1,412 | ['eng'] | ['Gawedzki, K', 'Todorov, I G', 'Tran Ngoc Bich, P'] | ['Canonical quantization of the boundary Wess-Zumino-Witten model'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'quantization', 'boundary condition', 'Chern-Simons term', 'field theory, conformal', 'field theory, topological', 'dimension, 2', 'dimension, 3', 'phase space', 'Hilbert space', 'current algebra, SU(2)', 'operator, vertex', 'quantum group, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101170'] | ['We present an analysis of the canonical structure of the WZW theory with untwisted conformal boundary conditions. The phase space of the boundary theory on a strip is shown to coincide with the phase space of the Chern-Simons theory on a solid cylinder (a disc times a line) with two Wilson lines. This reveals a new a... | ['2001-01-26'] |
1,413 | ['eng'] | ['Das, S', 'Gegenberg, J', 'Husain, V'] | ['Scalar field spacetimes and the AdS/CFT conjecture'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'space-time, anti-de Sitter', 'field theory, conformal', 'charge, conservation law', 'dimension, 3-5', 'energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101169'] | ["We describe a class of asymptotically AdS scalar field spacetimes, and calculate the associated conserved charges for three, four and five spacetime dimensions using the conformal and counter-term prescriptions. The energy associated with the solutions in each case is proportional to $\\sqrt{M^2 - k^2}$, where $M$ is... | ['2001-01-26'] |
1,414 | ['eng'] | ['Picariello, M', 'Quadri, A'] | ['Refined chiral Slavnov-Taylor identities'] | ['Particle Physics - Theory'] | ['Slavnov identity', 'quantum electrodynamics, chiral', 'fermion, massless', 'quantization', 'renormalization', 'cohomology', 'invariance, Becchi-Rouet-Stora', 'effective action', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101167'] | ["We study the quantization of chiral QED by means of an extended Slavnov-Taylor (ST) identity under which an external source and the ghost field form a doublet. This ST identity incorporates the Adler-Bardeen anomaly. We prove that the cohomology classes of the extended classical linearized ST operator ${\\cal S}'_0$ ... | ['2001-01-26'] |
1,415 | ['eng'] | ['Nitta, M'] | ['A Note on Supersymmetric WZW term in Four Dimensions'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'Wess-Zumino-Witten model', 'supersymmetry, superfield', 'potential, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101166'] | ['We reconsider the supersymmetric Wess-Zumino-Witten (SWZW) term in four dimensions. It has been known that the manifestly supersymmetric form of the SWZW term includes derivative terms on auxiliary fields, the highest components of chiral superfields, and then we cannot eliminate them by their equations of motion. We... | ['2001-01-26'] |
1,416 | ['eng'] | ['Rupp, C', 'Sibold, K'] | ['Supersymmetry Transformation of Quantum Fields II'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, transformation', 'supersymmetry, symmetry breaking', 'Wess-Zumino gauge', 'Slavnov identity', 'transformation, Becchi-Rouet-Stora', 'propagator', 'scaling, violation', 'Fock space', 'Hilbert space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101165'] | ['We study the transformation law of quantum fields in super Yang-Mills theory quantized in the Wess-Zumino gauge. It can be derived from a local version of generalized Slavnov-Taylor identities for general Green functions. Under suitable normalization conditions the transformations are local. Within the vector multipl... | ['2001-01-26'] |
1,417 | ['eng'] | ['Koyama, K', 'Soda, J'] | ['Strongly Coupled CFT in FRW Universe from AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'strong coupling', 'space-time, Robertson-Walker', 'space-time, anti-de Sitter', 'space-time, de Sitter', 'effective action', 'two-point function', 'vacuum state', 'field theory, scalar', 'Hamilton-Jacobi equation, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101164'] | ['We develop a formalism to calculate the effective action of the strongly coupled conformal field theory (CFT) in curved spacetime. The effective action of the CFT is obtained from AdS/CFT correspondence. The anti de-Sitter (AdS) spacetime has various slicing which give various curved spacetime on its boundary. We sho... | ['2001-01-26'] |
1,418 | ['eng'] | ['Cotuaescu, I I', 'Visinescu, M'] | ['Runge-Lenz operator for Dirac field in Taub-NUT background'] | ['Particle Physics - Theory'] | ['space-time, Taub-NUT', 'fermion', 'operator, Dirac', 'hidden symmetry', 'conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101163'] | ['Fermions in D=4 self-dual Euclidean Taub-NUT space are investigated. Dirac-type operators involving Killing-Yano tensors of the Taub-NUT geometry are explicitly given showing that they anticommute with the standard Dirac operator and commute with the Hamiltonian as it is expected. They are connected with the hidden s... | ['2001-01-26'] |
1,419 | ['eng'] | ['Hata, H', 'Teraguchi, S'] | ['Test of the Absence of Kinetic Terms around the Tachyon Vacuum in Cubic String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'tachyon, vacuum state', 'nonperturbative', 'transformation, Becchi-Rouet-Stora', 'expansion, derivative', 'fluctuation, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101162'] | ['It has been conjectured that the bosonic open string theory around the non-perturbative tachyon vacuum has no open string dynamics at all. We explore, in the cubic open string field theory with level truncation approximation, the possibility that this conjecture is realized by the absence of kinetic terms of the stri... | ['2001-01-26'] |
1,420 | ['eng'] | ['Chakrabarti, A', 'Tchrakian, D H'] | ['Gravitation with superposed Gauss-Bonnet terms in higher dimensions'] | ['Particle Physics - Theory'] | ['gravitation', 'Gauss-Bonnet term', 'black hole', 'differential forms', 'horizon', 'astrophysics, fundamental constant', 'space-time, higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101160'] | ['Our starting point is an iterative construction suited to combinatorics in arbitarary dimensions d, of totally anisymmetrised p-Riemann 2p-forms (2p\\le d) generalising the (1-)Riemann curvature 2-forms. Superposition of p-Ricci scalars obtained from the p-Riemann forms defines the maximally Gauss--Bonnet extended gr... | ['2001-01-25'] |
1,421 | ['eng'] | ['Girotti, H O', 'Gomes, M J', 'Rivelles, V O', 'Silva, A J'] | ['The Low Energy Limit of the Noncommutative Wess-Zumino Model'] | ['Particle Physics - Theory'] | ['supersymmetry', 'Wess-Zumino model', 'noncommutative', 'perturbation theory, higher-order', 'energy, low', 'effective potential', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101159'] | ['It has recently been shown that the noncommutative Wess-Zumino model is renormalizable to all orders of perturbation theory and that the infrared singularities arising form the IR/UV mixing are all integrable. In this work we investigate the low energy behavior of this model by deriving the effective potentials media... | ['2001-01-25'] |
1,422 | ['eng'] | ['Chiantese, S'] | ['Non-diagrammatic calculation of QCD one-loop beta-function based on the exact renormalization group equation'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'quantum chromodynamics', 'renormalization group, beta function', 'background field', 'regularization, Pauli-Villars', 'perturbation theory, higher-order', 'path integral', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101157'] | ['Using the higher covariant derivatives and gauge invariant Pauli-Villars regularization of gauge theories in the framework of the background field method, we obtain a version of the exact renormalization group equation for the regulator fields, whose vacuum energy depends on the background gauge field. It is evaluate... | ['2001-01-25'] |
1,423 | ['eng'] | ['Wellmann, M'] | ['Infrared Behaviour of Massive Scalar Matter coupled to Gravity'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massive', 'gravitation', 'perturbation theory, causality', 'quantum gravity', 'field theory, tensor', 'infrared problem', 'scalar particle, interaction', 'graviton, radiative correction', 'bremsstrahlung', 'differential cross section', 'approximation, adiabatic', 'S-matrix'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101156'] | ['In the framework of causal perturbation theory we consider a massive scalar field coupled to gravity. In the field theoretic approach to quantum gravity (QG) we start with a massless second rank tensor field. This tensor field is then quantized in a covariant way in Minkowski space. This article deals with the adiaba... | ['2001-01-25'] |
1,424 | ['eng'] | ['Romeo, A', 'Saharian, A A'] | ['Vacuum densities and zero-point energy for fields obeying Robin conditions on cylindrical surfaces'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'field theory, scalar', 'massive', 'any-dimensional', 'tensor, energy-momentum', 'boundary condition, cylinder', 'energy, density', 'zeta function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101155'] | ['The Casimir effect for general Robin conditions on the surface of a cylinder in $D$-spacetime dimensions is studied for massive scalar field with general curvature coupling. The energy distribution and vacuum stress are investigated. We separate volumic and superficial energy contributions, for both interior and exte... | ['2001-01-25'] |
1,425 | ['eng'] | ['Casadio, R', 'Harms, B'] | ['Black Hole Evaporation and Compact Extra Dimensions'] | ['Particle Physics - Theory'] | ['black hole, decay', 'space-time, higher-dimensional', 'luminosity', 'critical phenomena', 'effective potential', 'radiation, Hawking', 'Klein-Gordon equation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101154'] | ['We study the evaporation of black holes in space-times with extra dimensions of size L. We first obtain a description which interpolates between the expected behaviors of very large and very small black holes and then show that the luminosity is greatly damped when the horizon shrinks towards L from a larger value. A... | ['2001-01-25'] |
1,426 | ['eng'] | ['Rupp, C', 'Scharf, R', 'Sibold, K'] | ['Supersymmetry Transformation of Quantum Fields'] | ['Particle Physics - Theory'] | ['supersymmetry', 'Wess-Zumino model', 'transformation, Becchi-Rouet-Stora', 'Slavnov identity', 'quantum electrodynamics', 'Wess-Zumino gauge', 'Ward identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101153'] | ['In the Wess-Zumino gauge, supersymmetry transformations become non-linear and are usually incorporated together with BRS transformations in the form of Slavnov-Taylor identities, such that they appear at first sight to be even non-local. Furthermore, the gauge fixing term breaks supersymmetry. In the present paper, w... | ['2001-01-25'] |
1,427 | ['eng'] | ['Zamolodchikov, A B', 'Zamolodchikov, A B'] | ['Liouville field theory on a pseudosphere'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'boundary condition', 'wave function', 'bootstrap', 'algebra, Virasoro', 'partition function', 'invariance, modular', 'n-point function, 1', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101152'] | ["Liouville field theory is considered with boundary conditions corresponding to a quantization of the classical Lobachevskiy plane (i.e. euclidean version of $AdS_2$). We solve the bootstrap equations for the out-vacuum wave function and find an infinite set of solutions. This solutions are in one to one correspondenc... | ['2001-01-24'] |
1,428 | ['eng'] | ['Petkova, V B', 'Zuber, J B'] | ['The many faces of Ocneanu cells'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'operator, vertex', 'operator, chiral', 'operator product expansion', 'algebra, fusion', 'simplex', 'quantum algebra', 'Clebsch-Gordan coefficients', 'model, lattice', 'algebra, SL(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101151'] | ["We define generalised chiral vertex operators covariant under the Ocneanu ``double triangle algebra'' {\\cal A}, a novel quantum symmetry intrinsic to a given rational 2-d conformal field theory. This provides a chiral approach, which, unlike the conventional one, makes explicit various algebraic structures encounter... | ['2001-01-24'] |
1,429 | ['eng'] | ['Ivanova, T A', 'Popov, A D'] | ['Cech, Dolbeault and de Rham cohomologies in Chern-Simons and BF theories'] | ['Particle Physics - Theory'] | ['talk, Dubna 2000/07/31', 'field theory, topological', 'field theory, BF', 'Chern-Simons term', 'gauge field theory, nonabelian', 'cohomology', 'hidden symmetry', 'integrability', 'symmetry, dressing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101150'] | ['Topological Chern-Simons (CS) and BF theories and their holomorphic analogues are discussed in terms of de Rham and Dolbeault cohomologies. We show that Cech cohomology provides another useful description of the above topological and holomorphic field theories. In particular, all hidden (nonlocal) symmetries of non-A... | ['2001-01-24'] |
1,430 | ['eng'] | ['Setare, M R', 'Saharian, A A'] | ['Particle creation by moving spherical shell in the dynamical Casimir effect'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'effect, Casimir', 'scalar particle, production', 'scalar particle, massless', 'approximation, adiabatic', 'Bogolyubov transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101149'] | ['The creation of massless scalar particles from the quantum vacuum by spherical shell with time varying radius is studied. In the general case of motion the equations are derived for the instantaneous basis expansion coefficients. The examples are considered when the mean number of particles can be explicitly evaluate... | ['2001-01-24'] |
1,431 | ['eng'] | ['Bashir, A', 'Delbourgo, Robert', 'Roberts, M L'] | ['Multidimensional phase space and sunset diagrams'] | ['Particle Physics - Theory'] | ['particle, decay', 'phase space', 'Feynman graph', 'threshold, expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101148'] | ['We derive expressions for the phase space of a particle of momentum $p$ decaying into $N$ particles, that are valid for any number of dimensions. These are imaginary parts of so-called sunset diagrams, which we also obtain. The results are given as a series of hypergeometric functions, which terminate for odd dimensi... | ['2001-01-24'] |
1,432 | ['eng'] | ['Park, J S'] | ['Higgs Bundles and Four Manifolds'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'geometry, algebra', 'Donaldson theory', 'Seiberg-Witten model', 'Higgs model', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101147'] | ['It is known that the Seiberg-Witten invariants, derived from supersymmetric Yang-Mill theories in four-dimensions, do not distinguish smooth structure of certain non-simply-connected four manifolds. We propose generalizations of Donaldson-Witten and Vafa-Witten theories on a K\\"{a}hler manifold based on Higgs Bundle... | ['2001-01-24'] |
1,433 | ['eng'] | ['Wang Guo Li', 'Fu, Y K'] | ['The Layer Phase in the Non-isotropic SU(3) Gauge Model at Finite Temperature'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'lattice field theory', 'finite temperature', 'critical phenomena', 'cumulant expansion, variational', 'Polyakov loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101146'] | ['The phase structure of a non-isotropic non-Abelian SU(3) lattice gauge model at finite temperature is investigated to the third order in the variational-cumulant expansion (VCE) approach. The layer phase exists in this model in the cases of dimensions D=4, D=5 (d=D-1).'] | ['2001-01-24'] |
1,434 | ['eng'] | ['Hashimoto, K', 'Krasnov, K V'] | ['D-brane Solutions in Non-Commutative Gauge Theory on Fuzzy Sphere'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'field equations, solution', 'membrane model, D-brane', 'background field', 'sphere, fuzzy', 'field theory, action', 'binding energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101145'] | ["Non-commutative gauge theory on fuzzy sphere was obtained by Alekseev et al. as describing the low energy dynamics of a spherical D2-brane in S^3 with the background b-field. We identify a subset of solutions of this theory which are analogs of ``unstable'' solitons on a non-commutative flat D2-brane found by Gopakum... | ['2001-01-23'] |
1,435 | ['eng'] | ['Günaydin, M'] | ['Generalized AdS/CFT Dualities and Space-Time Symmetries of M/Superstring Theory'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'field theory, conformal', 'field theory, anti-de Sitter', 'M-theory', 'supersymmetry, multiplet', 'string model', 'duality', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101144'] | ["I review the relationship between AdS/CFT (anti-de Sitter / conformal field theory) dualities and the general theory of unitary lowest weight (ULWR) (positive energy) representations of non-compact space-time groups and supergroups. The ULWR's have the remarkable property that they can be constructed by tensoring som... | ['2001-01-23'] |
1,436 | ['eng'] | ['Craps, B', 'Gaberdiel, M R'] | ['Discrete torsion orbifolds and D-branes II'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model, open', 'supersymmetry', 'orbifold', 'torsion, discrete', 'soliton, BPS', 'phase space', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101143'] | ['The consistency of the orbifold action on open strings between D-branes in orbifold theories with and without discrete torsion is analysed carefully. For the example of the C^3/Z_2 x Z_2 theory, it is found that the consistency of the orbifold action requires that the D-brane spectrum contains branes that give rise t... | ['2001-01-23'] |
1,437 | ['eng'] | ['Aragão de Carvalho, C', 'Cornwall, J M', 'Silva, A J'] | ['Alternative Dimensional Reduction via the Density Matrix'] | ['Particle Physics - Theory'] | ['finite temperature', 'effective action', 'dimensional reduction', 'Schroedinger equation', 'field theory, scalar', 'perturbation theory, higher-order', 'gauge field theory, Yang-Mills', 'density matrix', 'critical phenomena', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101142'] | ['We give graphical rules, based on earlier work for the functional Schrodinger equation, for constructing the density matrix for scalar and gauge fields at finite temperature T. More useful is a dimensionally-reduced effective action (DREA) constructed from the density matrix by further functional integration over the... | ['2001-01-23'] |
1,438 | ['eng'] | ['Velhinho, J M'] | ['Some properties of generalized connections in quantum gravity'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'quantum gravity', 'differential geometry', 'group theory', 'category', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101141'] | ['The quantum completion of the space of connections in a manifold can be seen as the set of all morphisms from the groupoid of the edges of the manifold to the (compact) gauge group. This algebraic construction generalizes the analogous description of the gauge-invariant quantum configuration space of Ashtekar and Ish... | ['2001-01-23'] |
1,439 | ['eng'] | ['Ilieva, N P'] | ['Two-dimensional anyons and the temperature dependence of commutator anomalies'] | ['Particle Physics - Theory'] | ['anyon', 'dimension, 2', 'finite temperature', 'anomaly', 'Hall effect', 'commutation relations', 'correlation function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101140'] | ['The temperature dependence of commutator anomalies is discussed on the explicit example of particular (anyonic) field operators in two dimensions. The correlation functions obtained show that effects of the non-zero temperature might manifest themselves not only globally but also locally.'] | ['2001-01-23'] |
1,440 | ['eng'] | ['Argyres, Philip C', 'Narayan, K S'] | ['String Webs and the Decay of Supersymmetric Particles'] | ['Particle Physics - Theory'] | ['talk, Columbus 2000/08/09', 'gauge field theory', 'supersymmetry', 'effective action', 'symmetry, U(1)**N', 'spectra, BPS', 'string model', 'vacuum state', 'dyon, decay'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101139'] | ["The spectrum of stable electrically and magnetically charged supersymmetric particles can change discontinuously due to the decay of these particles as the vacuum on the Coulomb branch is varied. We show that this decay process is well described by semi-classical field configurations purely in terms of the low energy... | ['2001-01-23'] |
1,441 | ['eng'] | ['Frolov, V P', 'Fursaev, D V'] | ['Black Holes with Polyhedral Multi-String Configurations'] | ['Particle Physics - Theory'] | ['black hole', 'astrophysics, string', 'Einstein equation, solution', 'back reaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101138'] | ['We find exact solutions of the Einstein equations which describe a black hole pierced by infinitely thin cosmic strings. The string segments enter the black hole along the radii and their positions coincide with the symmetry axes of a regular polyhedron. Each string produces an angle deficit proportional to its tensi... | ['2001-01-23'] |
1,442 | ['eng'] | ['McInnes, B'] | ['Topologically Induced Instability in String Theory'] | ['Particle Physics - Theory'] | ['string model', 'field theory, anti-de Sitter', 'field theory, conformal', 'stability', 'effect, topological', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101136'] | ['Using the generalised AdS/CFT correspondence, we show that there are certain ten-dimensional differentiable manifolds such that string theory on such a manifold is unstable [to the emission of "large branes"] no matter what the metric may be. The instability is thus due to the [differential] topology of the manifold,... | ['2001-01-23'] |
1,443 | ['eng'] | ['Denef, F', 'Greene, Brian R', 'Raugas, M'] | ['Split attractor flows and the spectrum of BPS D-branes on the Quintic'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, BPS', 'supergravity', 'moduli space', 'conifold, singularity', 'attractor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101135'] | ['We investigate the spectrum of type IIA BPS D-branes on the quintic from a four dimensional supergravity perspective and the associated split attractor flow picture. We obtain some very concrete properties of the (quantum corrected) spectrum, mainly based on an extensive numerical analysis, and to a lesser extent on ... | ['2001-01-23'] |
1,444 | ['eng'] | ['Surya, S', 'Schleich, K', 'Witt, D M'] | ['Phase Transitions for Flat adS Black Holes'] | ['Particle Physics - Theory'] | ['black hole, anti-de Sitter', 'horizon', 'thermodynamics', 'critical phenomena, confinement', 'soliton, anti-de Sitter', 'energy', 'field theory, conformal', 'gauge field theory, SU(N)', 'expansion 1/N', 'Wilson loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101134'] | ['We reexamine the thermodynamics of adS black holes with Ricci flat horizons using the adS soliton as the thermal background. We find that there is a phase transition which is dependent not only on the temperature, but also on the black hole area, which is an independent parameter. As in the spherical adS black hole, ... | ['2001-01-22'] |
1,445 | ['eng'] | ['Zhu, J M', 'Wang, B', 'Abdalla, Elcio'] | ['Object picture of quasinormal ringing on the background of small Schwarzschild Anti-de Sitter black holes'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'space-time, anti-de Sitter', 'field theory, scalar', 'massless', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101133'] | ['We investigated the evolution of a scalar field propagating in small Schwarzschild Anti-de Sitter black holes. The imaginary part of the quasinormal frequency decreases with the horizon size and the real part of the quasinormal frequency keeps nearly as a constant. The object-picture clarified the question about on t... | ['2001-01-22'] |
1,446 | ['eng'] | ['Russo, Jorge G'] | ['Free energy and critical temperature in eleven dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'finite temperature', 'energy', 'critical phenomena', 'string model', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101132'] | ['We compute the one-loop contribution to the free energy in eleven-dimensional supergravity, with the eleventh dimension compactified on a circle of radius $R_{11}$. We find a finite result. In a small radius expansion, it has the form of the type IIA supergravity free energy plus non-perturbative corrections in the s... | ['2001-01-22'] |
1,447 | ['eng'] | ['Ravndal, F', 'Thomassen, J B'] | ['Radiative corrections to the Casimir energy and effective field theory'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'quantum electrodynamics', 'path integral', 'effective action', 'boundary condition', 'radiative correction', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101131'] | ['We discuss radiative corrections to the Casimir effect from an effective field theory point of view. It is an improvement and more complete version of a previous discussion by Kong and Ravndal. By writing down the most general effective Lagrangian respecting the symmetries and the boundary conditions, we are able to ... | ['2001-01-22'] |
1,448 | ['eng'] | ['Dai, J', 'Song, X C'] | ['Noncommutative Geometry of Lattices and Staggered Fermions'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'fermion, lattice field theory', 'operator, Dirac'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101130'] | ["Differential structure of a d-dimensional lattice, which essentially is a noncommutative exterior algebra, is defined using both reductions in 1-order plus 2-order of universal differential calculus in the context of NCG developed by Dimakis et al, and the formalism adopting a Dirac-Connes operator proposed by us rec... | ['2001-01-22'] |
1,449 | ['eng'] | ['Andreas, B', 'Curio, G', 'Hernández-Ruipérez, D', 'Yau, S T'] | ['Fibrewise T-Duality for D-Branes on Elliptic Calabi-Yau'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'T-duality', 'space, Calabi-Yau', 'geometry, algebra', 'monodromy', 'symmetry, mirror', 'cohomology', 'fibre bundle, SU(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101129'] | ["Fibrewise T-duality (Fourier-Mukai transform) for D-branes on an elliptic Calabi-Yau $X$ is shown to require naturally an appropriate twisting of the operation respectively a twisted charge. The fibrewise T-duality is furthermore expressed through known monodromies in the context of Kontsevich's interpretation of mir... | ['2001-01-22'] |
1,450 | ['eng'] | ['Manzoni, L A', 'Wreszinski, W F'] | ['A Theory of the Casimir Effect for Compact Regions'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'effect, Casimir', 'boundary condition', 'perturbation theory, higher-order', 'regularization, dependence', 'asymptotic expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101128'] | ["We develop Dietz's idea of identifying the Casimir energy as the regularization-independent Ramanujan sum of an asymptotic series. We also provide for the first time a solution (in this framework) of the external problem for the cube. The complete analytic and rigorous derivation of the Casimir effect for the cube pe... | ['2001-01-22'] |
1,451 | ['eng'] | ['Kuzenko, S M', 'McArthur, I N'] | ['Effective action of N = 4 super Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'superspace, harmonic', 'effective action', 'background field', 'perturbation theory, higher-order', 'heat kernel'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101127'] | ['Using the N = 2 off-shell formulation in harmonic superspace for N = 4 super Yang-Mills theory, we present a representation of the one-loop effective action which is free of so-called coinciding harmonic singularities and admits a straightforward evaluation of low-energy quantum corrections in the framework of an N =... | ['2001-01-22'] |
1,452 | ['eng'] | ['Deotto, E', 'Gozzi, E', 'Mauro, D'] | ['Supersymmetry in Classical Mechanics'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'supersymmetry', 'differential forms', 'charge', 'cohomology', 'phi**n model, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101124'] | ['We briefly review the universal supersymmetry present in classical hamiltonian systems and show its applications to field theories.'] | ['2001-01-19'] |
1,453 | ['eng'] | ['Ferrara, Sergio'] | ['Spinors, superalgebras and the signature of space-time'] | ['Particle Physics - Theory'] | ['talk, Trieste 2000/11/04', 'talk, Minneapolis 2000/10/13', 'talk, Genova 2000/09/18', 'space-time, signature', 'supersymmetry, algebra', 'spinor', 'algebra, Lie', 'supergravity', 'M-theory', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101123'] | ['Superconformal algebras embedding space-time in any dimension and signature are considered. Different real forms of the $R$-symmetries arise both for usual space-time signature (one time) and for Euclidean or exotic signatures (more than one times). Application of these superalgebras are found in the context of super... | ['2001-01-19'] |
1,454 | ['eng'] | ['Bohm, A R', 'La Madrid, R', 'Tay, B A', 'Kielanowski, Piotr'] | ['Time Asymmetric Boundary Conditions and the Definition of Mass and Width for Relativistic Resonances'] | ['Particle Physics - Theory'] | ['Z0, mass', 'Z0, width', 'resonance, mass', 'resonance, width', 'resonance, Breit-Wigner', 'phase space, Hilbert space', 'boundary condition', 'time reversal, asymmetry', 'Lippmann-Schwinger equation', 'S-matrix, pole', 'interpretation of experiments'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101121'] | ['The definition of mass and width of relativistic resonances and in particular of the $Z$-boson is discussed. For this we use the theory based on time asymmetric boundary conditions given by Hardy class spaces ${\\mathbf \\Phi}_-$ and ${\\mathbf \\Phi}_+$ for prepared in-states and detected out-states respectively, ra... | ['2001-01-19'] |
1,455 | ['eng'] | ['Behrndt, K', 'Gukov, S G', 'Shmakova, M'] | ['Domain Walls, Black Holes, and Supersymmetric Quantum Mechanics'] | ['Particle Physics - Theory'] | ['domain wall, BPS', 'black hole', 'quantum mechanics', 'supersymmetry', 'supergravity', 'vacuum state', 'dimension, 5', 'dimension, 4', 'effective potential', 'membrane model', 'critical phenomena', 'symmetry, SL(3)', 'coset space', 'renormalization group, fixed point', 'Morse theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101119'] | ['Supersymmetric solutions, such as BPS domain walls or black holes, in four- and five-dimensional supergravity theories with eight supercharges can be described by effective quantum mechanics with a potential term. We show how properties of the latter theory can help us to learn about the physics of supersymmetric vac... | ['2001-01-18'] |
1,456 | ['eng'] | ['Mathur, S D'] | ['Gravity on $AdS_3$ and flat connections in the boundary CFT'] | ['Particle Physics - Theory'] | ['gravitation', 'space-time, anti-de Sitter', 'dimension, 3', 'field theory, conformal', 'boundary condition', 'membrane model, D-brane', 'membrane model, p-brane', 'supergravity', 'dimension, 10', 'field equations', 'field theory, deformation', 'differential geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101118'] | ["We consider the CFT that arises from the D1-D5 system in the presence of a constant background gauge potential which couples to the R-charge of the theory: this potential effectively changes the periodicities of the fermions. By the AdS/CFT correspondence, the effect of this connnection should be obtained by finding ... | ['2001-01-18'] |
1,457 | ['eng'] | ['Dreyer, O', 'Ghosh, A', 'Wísniewski, J A'] | ['Black hole entropy calculations based on symmetries'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'dimension, 3', 'horizon', 'symmetry', 'Poisson bracket', 'field theory, vector', 'central charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101117'] | ["Symmetry based approaches to the black hole entropy problem have a number of attractive features; in particular they are very general and do not depend on the details of the quantization method. However we point out that, of the two available approaches, one faces conceptual problems (also emphasized by others), whil... | ['2001-01-18'] |
1,458 | ['eng'] | ['Gepner, D', 'Noyvert, B'] | ['Unitary representations of SW(3/2,2) superconformal algebra'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry, algebra', 'algebra, SW(3/2,2)', 'operator, Virasoro', 'algebra, representation', 'algebra, W(N)', 'field theory, conformal', 'model, minimal', 'fusion', 'operator product expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101116'] | ['SW(3/2,2) superconformal algebra is W algebra with two Virasoro operators. The Kac determinant is calculated and the complete list of unitary representations is determined. Two types of extensions of SW(3/2,2) algebra are discussed. A new approach to construction of W algebras from rational conformal field theories i... | ['2001-01-18'] |
1,459 | ['eng'] | ['Brodie, J H'] | ['On Mediating Supersymmetry Breaking in D-brane Models'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry, symmetry breaking', 'string model', 'supergravity', 'perturbation theory, higher-order', 'higher-order, 2', 'critical phenomena', 'tachyon', 'stability', 'potential, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101115'] | ["We consider the 3+1 visible sector to live on a Hanany-Witten D-brane construction in type IIA string theory. The messenger sector consists of stretched strings from the visible brane to a hidden D6-brane in the extra spatial dimensions. In the open string channel supersymmetry is broken by gauge mediation while in t... | ['2001-01-18'] |
1,460 | ['eng'] | ['Argyres, Philip C', 'Narayan, K S'] | ['String Webs from Field Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'supersymmetry', 'charge, electric', 'charge, magnetic', 'gauge field theory, SU(N)', 'soliton, BPS', 'moduli space', 'string model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101114'] | ["The spectrum of stable electrically and magnetically charged supersymmetric particles can change discontinuously as one changes the vacuum on the Coulomb branch of gauge theories with extended supersymmetry in four dimensions. We show that this decay process can be understood and is well described by semiclassical fi... | ['2001-01-18'] |
1,461 | ['eng'] | ['Bandos, I A', 'de Azcárraga, J A', 'Izquierdo, J M', 'Lukierski, J'] | ['BPS states in M-theory and twistorial constituents'] | ['Particle Physics - Theory'] | ['M-theory', 'model, composite', 'preon, BPS', 'dimension, 11', 'central charge', 'twistor', 'superspace', 'algebra, OSp(1/64)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101113'] | ['We provide a complete algebraic description of BPS states in M-theory in terms of primary constituents that we call BPS preons. We argue that any BPS state preserving k of the 32 supersymmetries is a composite of (32-k) BPS preons. In particular, the BPS states corresponding to the basic M2 and M5 branes are composed... | ['2001-01-18'] |
1,462 | ['eng'] | ['Alexandre, J'] | ['QED in external fields, a functional point of view'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'electromagnetic field, external field', 'fermion, propagator', 'vertex function', 'effective action', 'Ward identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101112'] | ['A functional partial differential equation is set for the proper graphs generating functional of QED in external electromagnetic fields. This equation leads to the evolution of the proper graphs with the external field amplitude and the external field gauge dependence of the complete fermion propagator and vertex is ... | ['2001-01-18'] |
1,463 | ['eng'] | ['Dai, J', 'Song, X C'] | ['Dirac-Connes Operator on Discrete Abelian Groups and Lattices'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'group theory, abelian', 'group theory, discrete', 'operator, Dirac', 'lattice field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101111'] | ['A kind of Dirac-Connes operator defined in the framework of Connes\' NCG is introduced on discrete abelian groups; it satisfies a Junk-free condition, and bridges the NCG composed by Dimakis, M\\"{u}ller-Hoissen and Sitarz and the NCG of Connes. Then we apply this operator to d-dimensional lattices.'] | ['2001-01-18'] |
1,464 | ['eng'] | ['Bagnuls, C', 'Bervillier, C'] | ['Exact renormalization group equations and the field theoretical approach to critical phenomena'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'renormalization group', 'critical phenomena', 'continuum limit', 'effective action', 'expansion, derivative', 'fixed point', 'phi**n model, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101110'] | ['After a brief presentation of the exact renormalization group equation, we illustrate how the field theoretical (perturbative) approach to critical phenomena takes place in the more general Wilson (nonperturbative) approach. Notions such as the continuum limit and the renormalizability and the presence of singulariti... | ['2001-01-18'] |
1,465 | ['eng'] | ['Petriello, F J'] | ['The Higgs Mechanism in Non-commutative Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'Higgs model, nonabelian', 'invariance, Becchi-Rouet-Stora', 'sigma model, linear', 'symmetry, O(2)', 'renormalization', 'beta function', 'symmetry breaking', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101109'] | ['This paper investigates the non-commutative version of the Abelian Higgs model at the one loop level. We find that the BRST invariance of the theory is maintained at this order in perturbation theory, rendering the theory one-loop renormalizable. Upon removing the gauge field from the theory we also obtain a consiste... | ['2001-01-17'] |
1,466 | ['eng'] | ['Freire, F L', 'Litim, Daniel F', 'Pawlowski, J M'] | ['Gauge invariance, background fields and modified Ward identities'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'gauge field theory, Yang-Mills', 'invariance, gauge', 'background field', 'Ward identity', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101108'] | ['In this talk the gauge symmetry for Wilsonian flows in pure Yang-Mills theories is discussed. The background field formalism is used for the construction of a gauge invariant effective action. The symmetries of the effective action under gauge transformations for both the gauge field and the auxiliary background fiel... | ['2001-01-17'] |
1,467 | ['eng'] | ['Franco, D H T'] | ['Application of the Microlocal Analysis to a Superfield Model in Superspace'] | ['Particle Physics - Theory'] | ['supersymmetry', 'superspace', 'two-point function, analytic properties', 'dimension, 2', 'functional analysis'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101107'] | ['In this paper, we apply the microlocal analysis to study the singularity structure of the two-point function in a supersymmetric model formulated in superspace language.'] | ['2001-01-17'] |
1,468 | ['eng'] | ['Gilkey, P B', 'Kirsten, K', 'Vassilevich, D V'] | ['Heat trace asymptotics with transmittal boundary conditions and quantum brane-world scenario'] | ['Particle Physics - Theory'] | ['field theory, Euclidean', 'path integral', 'effective action', 'perturbation theory, higher-order', 'regularization, heat kernel', 'membrane model', 'renormalization', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101105'] | ['We study the spectral geometry of an operator of Laplace type on a manifold with a singular surface. We calculate several first coefficients of the heat kernel expansion. These coefficients are responsible for divergences and conformal anomaly in quantum brane-world scenario.'] | ['2001-01-17'] |
1,469 | ['eng'] | ['Bianchi, M', 'Morales, J F'] | ['Anomalies, RG-flows and Open/Closed String Duality'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'string model', 'duality', 'anomaly', 'renormalization group', 'Witten index', 'gauge field theory', 'space-time, anti-de Sitter', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101104'] | ['We discuss the interplay between IR and UV divergences in vacuum configurations with open and unoriented strings. We establish a general one-to-one correspondence between anomalies and R-R tadpoles associated to sectors with non-trivial Witten index. The result does not require any supersymmetry to be preserved by th... | ['2001-01-17'] |
1,470 | ['eng'] | ['Lu, W F', 'Kim, C K', 'Yee, J H', 'Nahm, K'] | ['Rayleigh-Schrödinger Perturbation Theory Based on Gaussian Wavefunctional Approach'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'perturbation theory', 'wave function', 'Gauss approximation', 'energy levels', 'effective potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101103'] | ['A Rayleigh-Schr\\"{o}dinger perturbation theory based on the Gaussian wavefunctional is constructed. The method can be used for calculating the energies of both the vacuum and the excited states. A model calculation is carried out for the vacuum state of the $\\lambda\\phi^4$ field theory.'] | ['2001-01-17'] |
1,471 | ['eng'] | ['Iso, S', 'Kimura, Y', 'Tanaka, K', 'Wakatsuki, K'] | ['Noncommutative Gauge Theory on Fuzzy Sphere from Matrix Model'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry', 'differential geometry, noncommutative', 'sphere, fuzzy', 'stability', 'matrix model', 'Chern-Simons term', 'expansion 1/N', 'operator, algebra', 'effective action', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101102'] | ['We derive a noncommutative U(1) and U(n) supersymmetric gauge theory on the fuzzy sphere from a three dimensional matrix model by expanding the model around a classical solution of the fuzzy sphere. Chern-Simons term is added in the matrix model to make the fuzzy sphere as a classical solution of the model. Majorana ... | ['2001-01-17'] |
1,472 | ['eng'] | ['Igarashi, Y', 'Itoh, K', 'So, H'] | ['BRS Symmetry, the Quantum Master Equation, and the Wilsonian Renormalization Group'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'path integral', 'effective action', 'renormalization group, transformation', 'Hamiltonian formalism', 'master equation', 'invariance, Becchi-Rouet-Stora', 'Ward-Takahashi identity', 'antifield'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101101'] | ['Recently we made a proposal for realization of an effective BRS symmetry along the Wilsonian renormalization group flow. In this paper we show that the idea can be naturally extended for the most general gauge theories. Extensive use of the antifield formalism is made to reveal some remarkable structure of the effect... | ['2001-01-17'] |
1,473 | ['eng'] | ['Hamada, K'] | ['A Dynamical Solution of Stable Starobinsky-Type Inflation Model in Quantum Geometry'] | ['Particle Physics - Theory'] | ['inflationary universe', 'effective action', 'invariance, conformal', 'diffeomorphism', 'field equations, solution', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101100'] | ['Quantum geometry gives a regularization scheme-independent effective action, whoes equation of motion for the conformal mode has a stable de Sitter solution at the high-energy region where the coupling of the self-interactions of the traceless mode can be neglected because of the asymptotic freedom. However, the dyna... | ['2001-01-17'] |
1,474 | ['eng'] | ['Ogushi, S'] | ['Conformal Anomaly via AdS/CFT duality'] | ['Particle Physics - Theory'] | ['thesis', 'anomaly, conformal', 'space-time, anti-de Sitter', 'field theory, conformal', 'duality', 'expansion 1/N', 'supergravity', 'renormalization group, c-function', 'gravitation, dilaton', 'dimension, 2-5', 'dimension, 8', 'dimension, 9', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101099'] | ['AdS/CFT duality is a conjectured dual correspondence between the large $N$ limit of Conformal Field Theory (CFT) in $d$-dimensions and the supergravity (SUGRA) in $d+1$-dimensional Anti de Sitter (AdS) space. By using this conjecture, we can study various properties of large $N$ CFT by simple calculations in SUGRA. R... | ['2001-01-17'] |
1,475 | ['eng'] | ['Chung, J M', 'Chung, B K'] | ['Reduction of a Class of Three-Loop Vacuum Diagrams to Tetrahedron Topologies'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'Feynman graph, massive', 'higher-order, 3', 'effective potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101098'] | ['We obtain finite parts (as well as $\\epsilon$-pole parts) of massive three-loop vacuum diagrams with three-point and/or four-point interaction vertices by reducing them to tetrahedron diagrams with both massive and massless lines, whose finite parts were given analytically in a recent paper by Broadhurst. In the pro... | ['2001-01-17'] |
1,476 | ['eng'] | ['Chung, J M', 'Chung, B K'] | ['Induced Lorentz- and CPT-violating Chern-Simons term in QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'Chern-Simons term', 'violation, Lorentz', 'violation, CPT', 'effective action', 'two-point function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101097'] | ["Using the Fock-Schwinger proper time method, we calculate the induced Chern-Simons term arising from the Lorentz- and CPT-violating sector of quantum electrodynamics with a $b_\\mu \\bar{\\psi}\\gamma^\\mu \\gamma_5 \\psi$ term. Our result to all orders in $b$ coincides with a recent linear-in-$b$ calculation by Chai... | ['2001-01-17'] |
1,477 | ['eng'] | ['Cvetic, M', 'Gibbons, G W', 'Lu, H', 'Pope, C N'] | ['Supersymmetric Non-singular Fractional D2-branes and NS-NS 2-branes'] | ['Particle Physics - Theory'] | ['membrane model, fractional', 'membrane model, deformation', 'supersymmetry', 'gauge field theory', 'duality', 'confinement', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101096'] | ['We obtain regular deformed D2-brane solutions with fractional D2-branes arising as wrapped D4-branes. The space transverse to the D2-brane is a complete Ricci-flat 7-manifold of G_2 holonomy, which is asymptotically conical with principal orbits that are topologically CP^3 or the flag manifold SU(3)/(U(1) x U(1)). We... | ['2001-01-17'] |
1,478 | ['eng'] | ['Bergman, A', 'Ganor, O J', 'Karczmarek, J L'] | ['A Note on Intersecting and Fluctuating Solitons in 4D Noncommutative Field Theory'] | ['Particle Physics - Theory'] | ['field theory, noncommutative', 'soliton, deformation', 'soliton, fluctuation', 'zero mode', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101095'] | ['We examine the intersections, fluctuations and deformations of codimension two solitons in field theory on noncommutative $R^4$, in the limit of large noncommutativity. We find that holomorphic deformations are zero modes of flat branes, and we show that there is a zero mode localized at the intersection of two solit... | ['2001-01-17'] |
1,479 | ['eng'] | ['Llatas, P M'] | ['Aspects of Localized Gravity Around the Soft Minima'] | ['Particle Physics - Theory'] | ['gravitation, local', 'gravitation, fundamental constant', 'space-time, higher-dimensional', 'graviton, mass spectrum', 'mass, gap', 'potential', 'dimension, 4', 'oscillator, harmonic', 'membrane model', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101094'] | ['n-Dimensional pure gravity theory can be obtained as the effective theory of an n+1 model (with non-compact extra dimension) where general n+1 reparametrization invariance is explicitly broken in the extra dimension. As was pointed out in the literature, a necessary consistency condition for having a non-vanishing fo... | ['2001-01-16'] |
1,480 | ['eng'] | ['Connes, Alain'] | ['C*algebras and differential geometry'] | ['Particle Physics - Theory'] | ['algebra, C*', 'differential geometry, noncommutative', 'index theorem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101093'] | ['This is the translation to appear in the "SUPERSYMMETRY 2000 - Encyclopaedic Dictionary" of the original paper, published in March 1980, (C.R. Acad. Sci. Paris, Ser. A-B, 290, 1980) in which basic notions of noncommutative geometry were introduced and applied to noncommutative tori. These include connections on finit... | ['2001-01-16'] |
1,481 | ['eng'] | ['Kim, N J', 'Lee, H W', 'Myung, Y S'] | ['Role of the brane curvature scalar in the brane world cosmology'] | ['Particle Physics - Theory'] | ['membrane model', 'astrophysics, model', 'dimension, 5', 'dimension, 4', 'Einstein equation', 'space-time, anti-de Sitter', 'space-time, Schwarzschild'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101091'] | ['We include the brane curvature scalar to study its cosmological implication in the brane world cosmology. This term is usually introduced to obtain the well-defined stress-energy tensor on the boundary of anti de Sitter-Schwarzschild space. Here we treat this as the perturbed term for cosmological purpose. It is show... | ['2001-01-16'] |
1,482 | ['eng'] | ['Deriglazov, A A'] | ['Supplementation of reducible constraints and the Green-Schwarz superstring'] | ['Particle Physics - Theory'] | ['string model, action', 'supersymmetry', 'constraint', 'field equations', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101090'] | ['We apply the supplementation trick [26] to the Green-Schwarz superstring. For type IIB theory both first and second class constraints are covariantly separated and then arranged into irreducible sets in the initial formulation. For N=1 Green-Schwarz superstring we propose a modified action which is equivalent to the ... | ['2001-01-16'] |
1,483 | ['eng'] | ['Batalin, I A', 'Grigoriev, M A', 'Lyakhovich, S L'] | ['Star Product for Second Class Constraint Systems from a BRST Theory'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'quantization, Batalin-Vilkovisky', 'transformation, Becchi-Rouet-Stora', 'operator, algebra', 'differential forms, symplectic', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101089'] | ['We explicitly quantize the general second-class constrained system at the level of deformation quantization such that the quantization is covariant with respect to local coordinates on the phase space. The approach is based on constructing the effective first-class constraint (gauge) system equivalent to the original... | ['2001-01-16'] |
1,484 | ['eng'] | ['Anselmi, D'] | ['A universal flow invariant in quantum field theory'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'gravitation, induced', 'field theory, transformation', 'propagator', 'central charge', 'tensor, energy-momentum', 'fixed point, conformal', 'fermion', 'derivative, high', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101088'] | ['A flow invariant is a quantity depending only on the UV and IR conformal fixed points and not on the flow connecting them. Typically, its value is related to the central charges a and c. In classically-conformal field theories scale invariance is broken by quantum effects and the difference a_{UV}-a_{IR} is measured ... | ['2001-01-16'] |
1,485 | ['eng'] | ['Campbell, Bruce A', 'Kaminski, K'] | ['Noncommutativity and Spontaneously Broken Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(2)', 'Higgs model', 'differential geometry, noncommutative', 'symmetry, spontaneously broken', 'perturbation theory, higher-order', 'propagator', 'renormalization', 'Higgs particle, mass', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101086'] | ["We examine the spontaneous symmetry breaking of gauge theories in the framework of noncommutative field theory. We consider a noncommutative U(2) Higgs model with matter in the adjoint representation, that is the simplest example of a noncommutative gauge theory that is both classically well-defined in $R_{\\xi}$ gau... | ['2001-01-15'] |
1,486 | ['eng'] | ['Pradisi, G'] | ['Type-I vacua from non-geometric Orbifolds'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'orbifold, Z(3)', 'vacuum state', 'string model', 'supersymmetry', 'spectra, massless', 'spontaneous compactification'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101085'] | ["Some examples of Type-I vacua related to non geometric orbifolds are shown. In particular, the open descendants of the diagonal $Z_3$ orbifold are compared with the geometric ones. Although not chiral, these models exhibit some interesting properties, like twisted sectors in the open-string spectra and the presence o... | ['2001-01-15'] |
1,487 | ['eng'] | ['Ambjørn, Jan', 'Anagnostopoulos, K N', 'Bietenholz, W', 'Hotta, T', 'Nishimura, J'] | ['Monte Carlo Studies of the Dimensionally Reduced 4d SU(N) Super Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['talk, Ioannina 2000/04/20', 'gauge field theory, SU(N)', 'dimensional reduction', 'dimension, 4', 'dimension, 10', 'matrix model', 'supersymmetry', 'expansion 1/N', 'space-time', 'Wilson loop', 'Polyakov loop', 'n-point function', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101084'] | ['We simulate a supersymmetric matrix model obtained from dimensional reduction of 4d SU(N) super Yang-Mills theory. The model is well defined for finite N and it is found that the large N limit obtained by keeping g^2 N fixed gives rise to well defined operators which represent string amplitudes. The space-time struct... | ['2001-01-15'] |
1,488 | ['eng'] | ['Brustein, Ram', 'Foffa, Stefano', 'Veneziano, Gabriele'] | ['CFT, Holography, and Causal Entropy Bound'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'holography', 'entropy', 'any-dimensional', 'causality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101083'] | ["The causal entropy bound (CEB) is confronted with recent explicit entropy calculations in weakly and strongly coupled conformal field theories (CFTs) in arbitrary dimension $D$. For CFT's with a large number of fields, $N$, the CEB is found to be valid for temperatures not exceeding a value of order $M_P/N^{{1\\over ... | ['2001-01-15'] |
1,489 | ['eng'] | ['Ohta, K'] | ['Supersymmetric D-brane Bound States with B-field and Higher Dimensional Instantons on Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'bound state', 'supersymmetry', 'field theory, tensor', 'instanton', 'dimension, 8', 'sphere, fuzzy', 'field theory, deformation', 'T-duality', 'magnetic field, background field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101082'] | ["We classify supersymmetric D0-Dp bound states with a non-zero B-field by considering T-dualities of intersecting branes at angles. Especially, we find that the D0-D8 system with the B-field preserves 1/16, 1/8 and 3/16 of supercharges if the B-field satisfies the ``(anti-)self-dual'' condition in dimension eight. The... | ['2001-01-15'] |
1,490 | ['eng'] | ['Gamboa-Rios, J', 'Loewe, M', 'Rojas, J C'] | ['Is spacetime non-commutative?'] | ['Particle Physics - Theory'] | ['space-time, noncommutative', 'Aharonov-Bohm effect', 'holonomy', 'kinematics, correction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101081'] | ['The Aharonov-Bohm effect is a topological one and the line spectrum does not depend of the energy of the electrons. If the space is non-commutative, the holonomy receives kinematic corrections that tend to diffuse the spectrum of lines. Thus, non-commutative effects of spacetime could be observed by accelerating elec... | ['2001-01-15'] |
1,491 | ['eng'] | ['Shocklee, P', 'Thorlacius, L'] | ['Zero-Mode Dynamics of String Webs'] | ['Particle Physics - Theory'] | ['string model', 'boson, zero mode', 'moduli space', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101080'] | ['At sufficiently low energy the dynamics of a string web is dominated by zero modes involving rigid motion of the internal strings. The dimension of the associated moduli space equals the maximal number of internal faces in the web. The generic web moduli space has boundaries and multiple branches, and for webs with t... | ['2001-01-15'] |
1,492 | ['eng'] | ['Faddeev, L D', 'Niemi, Antti J'] | ['Electric-Magnetic Duality in Infrared SU(2) Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'duality, electromagnetic', 'field theory, scalar', 'Heisenberg model', 'effective action', 'critical phenomena', 'knot theory', 'string model, confinement'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101078'] | ['We explicitly realize the dual structure between the electric and magnetic variables in the long-distance SU(2) Yang-Mills theory. The electric variables correspond to an abelian scalar multiplet with two complex scalar fields, while the dual magnetic variables yield a relativistic version of the Heisenberg model. Th... | ['2001-01-15'] |
1,493 | ['eng'] | ['Brax, P'] | ['Graviton Absorption by Non-BPS Branes'] | ['Particle Physics - Theory'] | ['membrane model, singularity', 'graviton, absorption', 'S-matrix, unitarity', 'Klein-Gordon equation', 'potential, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101077'] | ['We consider the behaviour of neutral non-BPS branes probed by scalars and gravitons. We show that the naked singularity of the non-BPS branes is a {\\it repulson} absorbing no incoming radiation. The naked singularity is surrounded by an infinite potential well breaking the unitarity of the scattering S-matrix. We co... | ['2001-01-15'] |
1,494 | ['eng'] | ['Klemm, D', 'Petkou, Anastasios C', 'Siopsis, G'] | ['Entropy bounds, monotonicity properties and scaling in CFTs'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'entropy', 'energy', 'gauge field theory, Yang-Mills', 'supersymmetry', 'duality', 'finite temperature', 'black hole, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101076'] | ['We study the ratio of the entropy to the total energy in conformal field theories at finite temperature. For the free field realizations of {\\cal N}=4 super Yang-Mills theory in D=4 and the (2,0) tensor multiplet in D=6, the ratio is bounded from above. The corresponding bounds are less stringent than the recently p... | ['2001-01-15'] |
1,495 | ['eng'] | ['Zloshchastiev, K G'] | ['Extended Lambda-Maxwell duality and related large class of dyonic and neutral exactly solvable 4D Einstein-Maxwell-dilaton models discovered'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation, solution', 'dilaton', 'dyon', 'duality', 'field theory, scalar', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101075'] | ['We report the discovered class of exact static solutions of several 4D Einstein-Maxwell-dilaton systems: string-induced, Liouville, trigonometric, polynomial, etc., for three basic topologies (spherical, hyperbolical and flat) being uniformly treated. In addition to the usual electro-magnetic duality this class obeys... | ['2001-01-15'] |
1,496 | ['eng'] | ['Riccioni, F'] | ['All Couplings of Minimal Six-dimensional Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'coupling', 'anomaly', 'multiplet', 'gauge field theory', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101074'] | ['We describe the complete coupling of $(1,0)$ six-dimensional supergravity to tensor, vector and hypermultiplets. The generalized Green-Schwarz mechanism implies that the resulting theory embodies factorized gauge and supersymmetry anomalies, to be disposed of by fermion loops. Consequently, the low-energy theory is d... | ['2001-01-12'] |
1,497 | ['eng'] | ['Wang, B', 'Abdalla, Elcio', 'Su, R K'] | ['Relating Friedmann equation to Cardy formula in universes with cosmological constant'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'space-time, anti-de Sitter', 'space-time, de Sitter', 'holography', 'entropy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101073'] | ['A relation between the Friedmann equation and the Cardy formula has been found for de Sitter closed and Anti de Sitter flat universes. For the remaining de (Anti) Sitter universes the arguments fail, and we speculate whether the general philosophy of holography can be satisfied in such contents.'] | ['2001-01-12'] |
1,498 | ['eng'] | ['Austing, P', 'Wheater, John F'] | ['The Convergence of Yang-Mills Integrals'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'partition function', 'correlation function', 'mathematical methods'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101071'] | ['We prove that SU(N) bosonic Yang-Mills matrix integrals are convergent for dimension (number of matrices) $D\\ge D_c$. It is already known that $D_c=5$ for N=2; we prove that $D_c=4$ for N=3 and that $D_c=3$ for $N\\ge 4$. These results are consistent with the numerical evaluations of the integrals by Krauth and Stau... | ['2001-01-12'] |
1,499 | ['eng'] | ['Ansoldi, S', 'Castro, C', 'Spallucci, E'] | ['p-Branes from Generalized Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'gauge field theory, Yang-Mills', 'higher-dimensional', 'matrix model', 'effective action', 'expansion 1/N', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101070'] | ["We consider the reduced, quenched version of a generalized Yang-Mills action in 4k-dimensional spacetime. This is a new kind of matrix theory which is mapped through the Weyl-Wigner-Moyal correspondence into a field theory over a non-commutative phase space. We show that the ``classical'' limit of this field theory i... | ['2001-01-12'] |
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