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 |
|---|---|---|---|---|---|---|---|---|
300 | ['eng'] | ['Sorokin, D'] | ['Coincident (Super)-Dp-Branes of Codimension One'] | ['Particle Physics - Theory'] | ['membrane model, action', 'supersymmetry, algebra', 'space-time, symmetry', 'kappa symmetry', 'diffeomorphism, invariance', 'invariance, Lorentz'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106212'] | ['We consider properties of a covariant worldvolume action for a system of N coincident Dp-branes in D=(p+2) dimensional space-time (so called codimension one branes). In the case of N coincident D0-branes in D=2 we then find a generalization of this action to a model which includes fermionic degrees of freedom and is ... | ['2001-06-26'] |
301 | ['eng'] | ['Bossard, A', 'Mohammedi, N'] | ['Poisson-Lie Duality in the String Effective Action'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'duality, transformation', 'anomaly, Weyl', 'sigma model, nonlinear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106211'] | ['The symmetry properties of the bosonic string effective action under Poisson-Lie duality transformations are investigated. A convenient and simple formulation of these duality transformations is found, that allows the reduction of the string effective action in a Kaluza-Klein framework. It is shown that the action is... | ['2001-06-26'] |
302 | ['eng'] | ['Oda, I'] | ['Higgs Mechanism in the Presence of a Topological Term'] | ['Particle Physics - Theory'] | ['gauge field theory', 'mass, topological', 'any-dimensional', 'field theory, scalar', 'quantization', 'effect, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106210'] | ["In cases of both abelian and nonabelian gauge groups, we study the Higgs mechanism in the topologically massive gauge theories in an arbitrary space-time dimension. We show that when the conventional Higgs potential coexists with a topological term, gauge fields become massive by 'eating' simultaneously both the Namb... | ['2001-06-26'] |
303 | ['eng'] | ['Silverstein, E'] | ['(A)dS Backgrounds from Asymmetric Orientifolds'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'orientifold, asymmetry', 'space-time, de Sitter', 'space-time, anti-de Sitter', 'string model, coupling', 'dimension, 6'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106209'] | ['I present asymmetric orientifold models which, with the addition of RR fluxes, fix all the NS NS moduli including the dilaton. In critical string theory, this gives new AdS backgrounds with (discretely tunably) weak string coupling. Extrapolating to super-critical string theory, this construction leads to a promising... | ['2001-09-14'] |
304 | ['eng'] | ['Nepomechie, R I'] | ['The boundary N=2 supersymmetric sine-Gordon model'] | ['Particle Physics - Theory'] | ['sine-Gordon model, action', 'supersymmetry', 'integrability', 'current, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106207'] | ['We construct an action for the N=2 supersymmetric sine-Gordon model on the half-line, which we argue is both supersymmetric and integrable. The boundary interaction depends on three continuous boundary parameters, as well as the bulk mass parameter.'] | ['2001-09-14'] |
305 | ['eng'] | ['Chu, C S', 'Madore, J', 'Steinacker, H'] | ['Scaling Limits of the Fuzzy Sphere at one Loop'] | ['Particle Physics - Theory'] | ['sphere, fuzzy', 'two-point function', 'moduli space', 'phi**n model, 4', 'geometry, noncommutative', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106205'] | ["We study the one loop dynamics of QFT on the fuzzy sphere and calculate the planar and nonplanar contributions to the two point function at one loop. We show that there is no UV/IR mixing on the fuzzy sphere. The fuzzy sphere is characterized by two moduli: a dimensionless parameter N and a dimensionful radius R. Dif... | ['2001-09-14'] |
306 | ['eng'] | ['Inami, T', 'Saitô, Y', 'Yamamoto, M'] | ['Cancellation of UV Divergences in the N=4 SUSY Nonlinear Sigma Model in Three Dimensions'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 3', 'supersymmetry', 'expansion 1/N', 'renormalization, beta function', 'quantization, correction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106204'] | ['We study the UV properties of the three-dimensional ${\\cal N}=4$ SUSY nonlinear sigma model whose target space is $T^*(CP^{N-1})$ (the cotangent bundle of $CP^{N-1}$) to higher orders in the 1/N expansion. We calculate the $\\beta$-function to next-to-leading order and verify that it has no quantum corrections at le... | ['2001-09-14'] |
307 | ['eng'] | ['Vasilev, M A'] | ['Cubic Interactions of Bosonic Higher Spin Gauge Fields in $AdS_5$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'gauge field theory', 'spin, high', 'symmetry, SU(2,2)', 'symmetry, O(4,2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106200'] | ['The dynamics of totally symmetric free massless higher spin fields in $AdS_d$ is reformulated in terms of the compensator formalism for AdS gravity. The $AdS_5$ higher spin algebra is identified with the star product algebra with the $su(2,2)$ vector (i.e., $o(4,2)$ spinor) generating elements. Cubic interactions of ... | ['2001-09-14'] |
308 | ['eng'] | ['Ilha, A', 'Wotzasek, C'] | ['Duality equivalence between nonlinear self-dual and topologically massive models'] | ['Particle Physics - Theory'] | ['mass, topological', 'duality', 'Chern-Simons term', 'Born-Infeld model', 'matter, coupling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106199'] | ['In this report we study the dual equivalence between the generalized self-dual (SD) and topologically massive (TM) models. To this end we linearize the model using an auxiliary field and apply a gauge embedding procedure to construct a gauge equivalent model. We clearly show that, under the above conditions, a nonlin... | ['2001-06-22'] |
309 | ['eng'] | ['Maharana, K'] | ['On Lie point symmetry of classical Wess-Zumino-Witten model'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, classical', 'magnetic monopole', 'symmetry, Lie', 'mechanics, classical'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106198'] | ["We perform the group analysis of Witten's equations of motion for a particle moving in the presence of a magnetic monopole, and also when constrained to move on the surface of a sphere, which is the classical Wess-Zumino-Witten model. We also consider variations of this model. Our analysis gives the generators of the... | ['2001-06-22'] |
310 | ['eng'] | ['Miao, Y G', 'Müller-Kirsten, H J W', 'Park, D K'] | ['Constructing Doubly Self-Dual Chiral p-Form Actions in D=2(p+1) Spacetime Dimensions'] | ['Particle Physics - Theory'] | ['field theory, action', 'higher-dimensional', 'differential forms, chiral', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106197'] | ["A Siegel-type chiral p-form action is proposed in D=2(p+1) spacetime dimensions. The approach we adopt is to realize the symmetric second-rank Lagrange-multiplier field, introduced in Siegel's action, in terms of a normalized multiplication of two (q+1)-form fields with q indices of each field contracted in the even ... | ['2001-06-22'] |
311 | ['eng'] | ['Misra, A'] | ["The Possible Topological Nature of and Generalized Star Products in Noncommutative N=2 p-p' System in the Seiberg-Witten Low Energy Limit"] | ['Particle Physics - Theory'] | ['string model, noncommutative', 'scattering amplitude', 'tree approximation', 'operator, vertex', 'Seiberg-Witten model', 'n-point function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106196'] | ["We analyse open and mixed sector tree-level amplitudes consisting of two p-p' open-string and one or two p'-p' open-string verte operators in the purely open-string sector, and two p-p' or p'-p' open-string and one closed string vertex operators, for N=2 strings with a constant magnetic B turned on. We note that in t... | ['2001-06-22'] |
312 | ['eng'] | ['Gómez, C', 'Resco, P'] | ['Topics in String Tachyon Dynamics'] | ['Particle Physics - Theory'] | ['lectures, Como 2001/05/07', 'string model', 'tachyon, condensation', 'effective action', 'K-theory', 'space-time, anti-de Sitter', 'sigma model', 'beta function', 'astrophysics, fundamental constant', 'membrane model, D-brane', 'gauge field theory', 'stability, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106195'] | ['We review some aspects of string tachyon dynamics with special emphasis on effective actions and K-theory interpretation.'] | ['2001-06-22'] |
313 | ['eng'] | ['Bouwknegt, P', 'Carey, A L', 'Mathai, V', 'Murray, M K', 'Stevenson, D'] | ['Twisted K-theory and K-theory of bundle gerbes'] | ['Particle Physics - Theory'] | ['K-theory', 'membrane model, D-brane', 'fibre bundle', 'cohomology', 'Hilbert space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106194'] | ['In this note we introduce the notion of bundle gerbe K-theory and investigate the relation to twisted K-theory. We provide some examples. Possible applications of bundle gerbe K-theory to the classification of D-brane charges in non-trivial backgrounds are discussed.'] | ['2001-06-22'] |
314 | ['eng'] | ['Antoniadis, Ignatios', 'Kiritsis, Elias B', 'Tomaras, T N'] | ['D-brane Standard Model'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0111269'] | ['The minimal embedding of the Standard Model in type I string theory is described. The SU(3) color and SU(2) weak interactions arise from two different collections of branes. The correct prediction of the weak angle is obtained for a string scale of 6-8 TeV. Two Higgs doublets are necessary and proton stability is gua... | ['2001-11-30'] |
315 | ['eng'] | ['Hiller, J R', 'Pinsky, S', 'Trittmann, U'] | ['Wave functions and properties of massive states in three-dimensional supersymmetric Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'dimension, 3', 'quantization, light cone', 'discrete', 'bound state, wave function', 'bound state, mass spectrum', 'transverse momentum, spectra', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106193'] | ['We apply supersymmetric discrete light-cone quantization (SDLCQ) to the study of supersymmetric Yang-Mills theory on R x S^1 x S^1. One of the compact directions is chosen to be light-like and the other to be space-like. Since the SDLCQ regularization explicitly preserves supersymmetry, this theory is totally finite,... | ['2001-09-14'] |
316 | ['eng'] | ['Lukas, A', 'Skinner, D'] | ['Brane-World Inflation and the Transition to Standard Cosmology'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 5', 'M-theory, heterotic', 'inflationary universe', 'space-time, anti-de Sitter', 'vacuum state', 'potential', 'orbifold', 'dimension, 4', 'Kaluza-Klein model', 'field theory, scalar', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106190'] | ['In the context of a five-dimensional brane-world model motivated from heterotic M-theory, we develop a framework for potential-driven brane-world inflation. Specifically this involves a classification of the various background solutions of (A)dS_5 type, an analysis of five-dimensional slow-roll conditions and a study... | ['2001-06-21'] |
317 | ['eng'] | ['Armoni, Adi', 'Russo, R'] | ['Non-Commutative Gauge Theories and the Cosmological Constant'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'astrophysics, fundamental constant', 'orbifold', 'vacuum state, energy', 'perturbation theory, higher-order', 'string model', 'renormalization', 'membrane model, D-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106189'] | ['We discuss the issue of the cosmological constant in non-commutative non-supersymmetric gauge theories. In particular, in orbifold field theories non-commutativity acts as a UV cut-off. We suggest that in these theories quantum corrections give rise to a vacuum energy \\rho, that is controlled by the non-commutativit... | ['2001-06-21'] |
318 | ['eng'] | ['Barnich, G', 'Grigoriev, M A', 'Henneaux, M'] | ['Seiberg-Witten maps from the point of view of consistent deformations of gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, deformation', 'Seiberg-Witten map', 'field theory, noncommutative', 'cohomology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106188'] | ['Noncommutative versions of theories with a gauge freedom define (when they exist) consistent deformations of their commutative counterparts. General aspects of Seiberg-Witten maps are discussed from this point of view. In particular, the existence of the Seiberg-Witten maps for various noncommutative theories is rela... | ['2001-06-21'] |
319 | ['eng'] | ['Ita, H', 'Oz, Y'] | ['String Field Theory and the Fuzzy Sphere'] | ['Particle Physics - Theory'] | ['field theory, string', 'sphere, fuzzy', 'tachyon, condensation', 'Wess-Zumino-Witten model, SU(2)', 'tachyon, potential', 'tachyon, decay modes', 'membrane model, D-brane', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106187'] | ['We use boundary string field theory to study open string tachyon condensation on a three-sphere closed string background. We consider the closed string background described by $SU(2)_k$ WZW model in the limit of large $k$. We compute the exact tachyon potential and analyse the decay modes.'] | ['2001-06-21'] |
320 | ['eng'] | ['Bertolini, M', 'Campos, V L', 'Ferretti, G', 'Fré, P', 'Salomonson, P', 'Trigiante, M'] | ['Supersymmetric 3-branes on smooth ALE manifolds with flux'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 3', 'supersymmetry', 'supergravity', 'differential forms, flux', 'asymptotic expansion', 'soliton, BPS', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106186'] | ["We construct a new family of classical BPS solutions of type IIB supergravity describing 3-branes transverse to a 6-dimensional space with topology R^2*ALE. They are characterized by a non-trivial flux of the supergravity 2-forms through the homology 2-cycles of a generic smooth ALE manifold. Our solutions have two K... | ['2001-06-21'] |
321 | ['eng'] | ['Del Debbio, L', 'Panagopoulos, H', 'Rossi, P', 'Vicari, E'] | ['k-string tensions in SU(N) gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 4', 'supersymmetry', 'string tension, ratio', 'charge, Z(N)', 'model, chiral', 'symmetry, SU(N) x SU(N)', 'dimension, 2', 'charge, topological', 'scaling', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106185'] | ['In the context of four-dimensional SU(N) gauge theories, we study the spectrum of the confining strings. We compute, for the SU(6) gauge theory formulated on a lattice, the three independent string tensions sigma_k related to sources with Z_N charge k=1,2,3, using Monte Carlo simulations. Our results support the sine... | ['2001-06-21'] |
322 | ['eng'] | ['Li, M'] | ['Matrix Model for De Sitter'] | ['Particle Physics - Theory'] | ['matrix model', 'space-time, de Sitter', 'Chern-Simons term', 'Hilbert space', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106184'] | ['Based on a heuristic boost argument, we propose that the 4 dimensional de Sitter space can be described by a spherical Chern-Simons matrix model near the cosmological horizon, or models generalizing this simple choice. The dimension of the Hilbert space is naturally finite. We also make some comments on possible real... | ['2001-06-21'] |
323 | ['eng'] | ['Furuta, K', 'Inami, T', 'Nakajima, H', 'Nitta, M'] | ['Supersymmetic Extension of Non-Abelian Scalar-Tensor Duality'] | ['Particle Physics - Theory'] | ['Freedman-Townsend model', 'field theory, tensor', 'duality', 'sigma model, nonlinear', 'gauge field theory, Yang-Mills', 'coset space', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106183'] | ['The field theory dual to the Freedman-Townsend model of a non-Abelian anti-symmetric tensor field is a nonlinear sigma model on the group manifold G. This can be extended to the duality between the Freedman-Townsend model coupled to Yang-Mills fields and a nonlinear sigma model on a coset space G/H. We present the su... | ['2001-06-21'] |
324 | ['eng'] | ['Chui, C H O', 'Mercat, C', 'Orrick, W', 'Pearce, P A'] | ['Integrable Lattice Realizations of Conformal Twisted Boundary Conditions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'boundary condition', 'lattice field theory', 'integrability', 'model, minimal', 'symmetry, SL(2)', 'unitarity', 'space-time, torus', 'scaling, finite size', 'continuum limit', 'Ising model', 'Potts model', 'partition function', 'graph theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106182'] | ['We construct integrable lattice realizations of conformal twisted boundary conditions for ^sl(2) unitary minimal models on a torus. These conformal field theories are realized as the continuum scaling limit of critical A-D-E lattice models with positive spectral parameter. The integrable seam boundary conditions are ... | ['2001-06-21'] |
325 | ['eng'] | ['Christiansen, H R', 'Schaposnik, F A'] | ['Noncommutative Quantum Mechanics and Rotating Frames'] | ['Particle Physics - Theory'] | ['quantum mechanics, noncommutative', 'counters and detectors, interference', 'gauge field theory, background', 'path integral', 'effective action', 'effect, rotational', 'charged particle', 'effective Lagrangian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106181'] | ['We study the effect of noncommutativity of space on the physics of a quantum interferometer located in a rotating disk in a gauge field background. To this end, we develop a path-integral approach which allows defining an effective action from which relevant physical quantities can be computed as in the usual commuta... | ['2001-06-21'] |
326 | ['eng'] | ['Felder, G', 'Kofman, L A', 'Linde, Andrei D'] | ['Tachyonic Instability and Dynamics of Spontaneous Symmetry Breaking'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, spontaneously broken', 'tachyon, stability', 'effective potential', 'preheating', 'tunneling', 'lattice field theory', 'renormalization', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106179'] | ['Spontaneous symmetry breaking usually occurs due to the tachyonic (spinodal) instability of a scalar field near the top of its effective potential at $\\phi = 0$. Naively, one might expect the field $\\phi$ to fall from the top of the effective potential and then experience a long stage of oscillations with amplitude... | ['2001-06-21'] |
327 | ['eng'] | ['Myers, R C'] | ['Nonabelian D-branes and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['talk, Montreal 2000/03/22', 'membrane model, D-brane', 'nonabelian', 'differential geometry, noncommutative', 'field theory, scalar', 'effect, dielectric', 'graviton', 'Born-Infeld model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106178'] | ["We discuss the nonabelian world-volume action which governs the dynamics of N coincident Dp-branes. In this theory, the branes' transverse displacements are described by matrix-valued scalar fields, and so this is a natural physical framework for the appearance of noncommutative geometry. One example is the dielectri... | ['2001-06-21'] |
328 | ['eng'] | ['Cvetic, M', 'Gibbons, G W', 'Lu, H', 'Pope, C N'] | ['Resolved Branes and M-theory on Special Holonomy Spaces'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'membrane model, p-brane', 'M-theory', 'holonomy, Spin(7)', 'membrane, fractional', 'space, transverse', 'supergravity', 'Chern-Simons term', 'string model', 'space-time', 'differential forms, harmonic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106177'] | ['We review the construction of regular p-brane solutions of M-theory and string theory with less than maximal supersymmetry whose transverse spaces have metrics with special holonomy, and where additional fluxes allow brane resolutions via transgression terms. We focus on the properties of resolved M2-branes and fract... | ['2001-09-14'] |
329 | ['eng'] | ['Vainshtein, A I'] | ['Monopole, gluino and charge condensates in gauge theories with broken N=2 supersymmetry'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'gauge field theory, SU(2)', 'supersymmetry, symmetry breaking', 'condensation, chiral', 'gluino, condensation', 'magnetic monopole, condensation', 'dyon, condensation', 'charge, condensation', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106176'] | ["We consider chiral condensates in SU(2) gauge theory with broken N=2 supersymmetry and one fundamental flavor in the matter sector. Matter and gaugino condensates are determined by integrating out the adjoint field. The only nonperturbative input is the Affleck-Dine-Seiberg one-instanton superpotential. The results a... | ['2001-06-20'] |
330 | ['eng'] | ['Konishi, K I', 'Spanu, L'] | ['Non-Abelian Vortex and Confinement'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, SO(N)', 'vortex, magnetic', 'symmetry, spontaneously broken', 'confinement', 'flux, quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106175'] | ['We discuss the physical properties of magnetic vortices in models in which a non-Abelian gauge symmetry (e.g., SU(N)) is spontaneously broken by Higgs mechanism to a discrete center (e.g. $Z_N$). These generalize the Abrikosov-Nielsen-Olesen vortex of a U(1) gauge theory. The sources of such vortices carry "fractiona... | ['2001-06-20'] |
331 | ['eng'] | ['Brustein, Ram', "D'Alwis, S P"] | ['Moduli stabilization and supersymmetry breaking in effective theories of strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'moduli space', 'superpotential', 'superfield, chiral', 'astrophysics, fundamental constant', 'supergravity', 'potential, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106174'] | ['The region of moduli space of string theories which is most likely to describe the "real world" is where the string coupling is about unity and the volume of extra compact dimensions is about the same size as the string volume. Here we map the landscape of this "central" region in a model-independent way, assuming on... | ['2001-06-20'] |
332 | ['eng'] | ['Smailagic, A', 'Spallucci, E'] | ['The Dual Phases of Massless/Massive Kalb-Ramond Fields'] | ['Particle Physics - Theory'] | ['gauge field theory', 'differential forms', 'field theory, scalar', 'duality', 'path integral', 'field theory, Proca', 'field theory, Kalb-Ramond'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106173'] | ["We have developed dualization of ordinary and ``Stueckelberg compensated'' massive phase for the Kalb-Ramond theory. The compensated phase allows to study the interplay between spin jumping and duality. We show that spin jumping is caused by mass, while gauge symmetry is not necessary for this effect to take place."] | ['2001-06-20'] |
333 | ['eng'] | ['Mohammedi, N'] | ['New duality transformation in two-dimensional non-linear sigma models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'duality, transformation', 'T-duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106172'] | ['A new T-duality transformation is found in two-dimensional non-linear sigma models. This is a straightforward generalisation of Abelian and non-Abelian T-dualities. It is shown, in particular, that a given non-linear sigma model can possess more than one dual theory. Finally, the construction of this duality is given... | ['2001-06-20'] |
334 | ['eng'] | ['Martinec, Emil J', 'McElgin, W'] | ['String Theory on AdS Orbifolds'] | ['Particle Physics - Theory'] | ['string model', 'orbifold, Z(N)', 'rotational', 'fermion, parastatistics', 'space-time, anti-de Sitter', 'dimension, 10', 'singularity', 'symmetry, conformal', 'supersymmetry', 'central charge', 'algebra, Virasoro', 'Wess-Zumino-Witten model', 'symmetry, SL(2,R)', 'membrane model, D-brane', 'moduli space', 'energy', '... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106171'] | ['We consider worldsheet string theory on $Z_N$ orbifolds of $AdS_3$ associated with conical singularities. If the orbifold action includes a similar twist of $S^3$, supersymmetry is preserved, and there is a moduli space of vacua arising from blowup modes of the orbifold singularity. We exhibit the spectrum, including... | ['2001-06-20'] |
335 | ['eng'] | ['Shio, C'] | ['Noncommutative Momentum for Arbitrary Spin Polarization'] | ['Particle Physics - Theory'] | ['momentum, noncommutative', 'invariance, Lorentz', 'polarization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106170'] | ['As an extension of Lorentz invariant noncommutative momentum conservation for longtudinal spin polarization, a general procedure to maintain Lorentz invariance for arbitrary spin polarization states which correspond to experimental set-up of arbitrary direction of initial spin is presented in a systematic way. Three ... | ['2001-06-20'] |
336 | ['eng'] | ['Rylov, Y A'] | ['Pair production problem and canonical quantization of nonlinear scalar field in terms of world lines'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'nonlinear', 'quantization', 'pair production', 'commutation relations', 'scattering'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106169'] | ['A new quantization scheme (WL-scheme), using world lines as objects of quantization, is proposed. Applying to nonlinear scalar field, the WL -scheme is investigated and compared with the conventional PA-scheme of quantization. In the PA-scheme objects of quantization are particles and antiparticles, which are fragmen... | ['2001-06-20'] |
337 | ['eng'] | ['Taniguchi, M', 'Uehara, S', 'Yamada, S', 'Yamawaki, K'] | ['Does DLCQ S-matrix have a covariant continuum limit?'] | ['Particle Physics - Theory'] | ['quantization, light cone', 'discrete', 'S-matrix', 'continuum limit', 'zero mode', 'phi**n model, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106167'] | ['We develop a systematic DLCQ perturbation theory and show that DLCQ S-matrix does not have a covariant continuum limit for processes with $p^+=0$ exchange. This implies that the role of the zero mode is more subtle than ever considered in DLCQ and hence must be treated with great care also in non-perturbative approac... | ['2001-06-20'] |
338 | ['eng'] | ['Yi, P'] | ['Anomaly of (2,0) Theories'] | ['Particle Physics - Theory'] | ['membrane model', 'gravitation', 'anomaly, axial', 'orbifold, fixed point'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106165'] | ["We compute gravitational and axial anomaly for D-type (2,0) theories realized on N pairs of coincident M5-branes at R^5/Z_2 orbifold fixed point. We first summarize work by Harvey, Minasian, and Moore on A-type (2,0) theories, and then extend it to include the effect of orbifold fixed point. The net anomaly inflow fo... | ['2001-06-20'] |
339 | ['eng'] | ['Jassal, H K', 'Mukherjee, A'] | ['Classical string propagation in gravitational fields'] | ['Particle Physics - Theory'] | ['string model', 'gravitation, background field', 'space-time', 'astrophysics, string', 'Kaluza-Klein model', 'black hole, charge', 'dimension, 5', 'perturbation theory', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106164'] | ["The motion of a string in curved spacetime is discussed in detail. The basic formalism for string motion in Minkowski spacetime and in curved spacetime is presented. The description applies to cosmic strings as well as to fundamental strings. Major ansatze for solving the string equations of motion are reviewed. In p... | ['2001-06-20'] |
340 | ['eng'] | ['Grinstein, B', 'Nolte, D R'] | ['Bulk Observers in Non-Factorizable Geometries'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'Kaluza-Klein model, mass spectrum', 'geometry', 'membrane model', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106163'] | ["We consider five dimensional non-factorizable geometries where the transverse dimension is bounded and the remaining (parallel) dimensions are not. We study the construction of effective theories at distances much longer than the transverse size. An observer unable to resolve the transverse direction can only measure... | ['2001-06-20'] |
341 | ['eng'] | ['Cvetic, M', 'Gibbons, G W', 'Liu, J T', 'Lu, H', 'Pope, C N'] | ['A New Fractional D2-brane, G_2 Holonomy and T-duality'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'fractional', 'holonomy, G(2)', 'T-duality', 'space-time', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106162'] | ['Recently, a new example of a complete non-compact Ricci-flat metric of G_2 holonomy was constructed, which has an asymptotically locally conical structure at infinity with a circular direction whose radius stabilises. In this paper we find a regular harmonic 3-form in this metric, which we then use in order to obtain... | ['2001-06-20'] |
342 | ['eng'] | ['Bigazzi, F', 'Cotrone, A L', 'Zaffaroni, A'] | ['N=2 Gauge Theories from Wrapped Five-branes'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'membrane model', 'string model', 'supergravity', 'dimension, 7', 'dimension, 10', 'dimension, 4', 'moduli space', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106160'] | ['We present string duals of four dimensional N=2 pure SU(N) SYM theory. The theory is obtained as the low energy limit of D5-branes wrapped on non-trivial two-cycles. Using seven-dimensional gauged supergravity and uplifting the result to ten-dimensions, we obtain solutions corresponding to various points of the N=2 m... | ['2001-06-19'] |
343 | ['eng'] | ['Herbst, Manfred', 'Kling, A', 'Kreuzer, M'] | ['Star Products from Open Strings in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'string, correlation function', 'sigma model, nonlinear', 'gauge field theory, background field', 'magnetic field, background field', 'geometry, noncommutative', 'membrane model, D-brane', 'Born-Infeld model', 'expansion, derivative', 'propagator', 'amplitude analysis, vacuum state', 'path integral, me... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106159'] | ['We define a non-commutative product for arbitrary gauge and B-field backgrounds in terms of correlation functions of open strings. While off-shell correlations are, of course, not conformally invariant, it turns out that, at least to first derivative order, our product has the trace property and is associative up to ... | ['2001-06-19'] |
344 | ['eng'] | ['Sánchez, N'] | ['String Driven Cosmology and its Predictions'] | ['Particle Physics - Theory'] | ['talk, Erice 2000/12/06', 'string model', 'inflationary universe', 'model, minimal', 'energy, density', 'relativity theory, general', 'dilaton, coupling', 'graviton, spectra', 'asymptotic behavior', 'gravitational radiation, background'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106158'] | ['We present a minimal model for the Universe evolution fully extracted from effective String Theory. This model is by its construction close to the standard cosmological evolution, and it is driven selfconsistently by the evolution of the string equation of state itself. The inflationary String Driven stage is able to... | ['2001-06-19'] |
345 | ['eng'] | ['Bars, Itzhak'] | ["Map of Witten's * to Moyal's *"] | ['Particle Physics - Theory'] | ['string model', 'phase space', 'geometry, noncommutative', 'invariance, Lorentz', 'quantization, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106157'] | ["It is shown that Witten's star product in string field theory, defined as the overlap of half strings, is equivalent to the Moyal star product involving the relativistic phase space of even string modes. The string field A(x[\\sigma]) can be rewritten as a phase space field of the even modes $x_{2n}, p_{2n}$ where $x... | ['2001-06-19'] |
346 | ['eng'] | ['Constantinescu, F', 'Scharf, G'] | ['Quantum field components of supersymmetric multiplets'] | ['Particle Physics - Theory'] | ['multiplet, chiral', 'supersymmetry', 'commutation relations', 'Fock space', 'causality', 'axiomatic field theory', 'spinor, Majorana'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106156'] | ['We adress the problem of Fock space representations of (free) multiplet component fiels encountered in supersymmetric quantum field theory insisting on positivity and causality. We look in detail on the scalar and Majorana components of the chiral supersymmetric multiplet. Several Fock space representations are intro... | ['2001-06-19'] |
347 | ['eng'] | ['Curio, G', 'Klemm, A D', 'Körs, B', 'Lüst, Dieter'] | ['Fluxes in Heterotic and Type II String Compactifications'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'space-time, Calabi-Yau', 'duality', 'flux', 'dimension, 6', 'gauge field theory', 'anomaly, U(1)', 'effective potential', 'potential, scalar', 'tachyon', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106155'] | ['In this paper we consider heterotic compactifications on K3 x T2 as well as type II compactifications on K3-fibred Calabi-Yau spaces with certain fluxes for the gauge and RR field strengths F and H turned on. By providing an identification of corresponding fluxes we show that the well-known N=2 heterotic/type II stri... | ['2001-06-19'] |
348 | ['eng'] | ['Scadron, M D', 'Zenczykowski, P'] | ['Chiral Phase Transitions'] | ['Particle Physics - Theory'] | ['sigma model, linear', 'symmetry, SU(2)', 'critical phenomena, chiral', 'symmetry, dynamically broken', 'quark, condensation', 'quark, mass', 'sigma meson, condensation', 'color, superconducting', 'potential, chemical', 'finite temperature'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106154'] | ['We show that melting the quark mass, the scalar $\\sigma $ mass and the quark condensate leads uniquely to the quark-level SU(2) linear $\\sigma $ model field theory. Upon thermalization, the chiral phase transition curve requires $T_c =2f^{CL}_{\\pi}\\approx 180 MeV$ when $\\mu = 0$, while the critical chemical pote... | ['2001-06-19'] |
349 | ['eng'] | ['Nicolai, Hermann C', 'Samtleben, H'] | ['N=8 matter coupled AdS_3 supergravities'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory', 'dimension, 3', 'dimension, 6', 'space-time, anti-de Sitter', 'matter, coupling', 'symmetry, SO(8,N)/SO(8) x SO(N)', 'Lagrangian formalism', 'group theory, SO(4)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106153'] | ['Following the recent construction of maximal (N=16) gauged supergravity in three dimensions, we derive gauged D=3, N=8 supergravities in three dimensions as deformations of the corresponding ungauged theories with scalar manifolds SO(8,n)/(SO(8)x SO(n)). As a special case, we recover the N=(4,4) theories with local S... | ['2001-06-19'] |
350 | ['eng'] | ['Guendelman, E I', 'Kaganovich, A B'] | ['Interactions from SSB of scale symmetry'] | ['Particle Physics - Theory'] | ['scaling, invariance', 'potential, production', 'symmetry, spontaneously broken', 'quintessence', 'field theory, scalar', 'fermion, family', 'fermion, mass generation', 'gravitation', 'four-fermion interaction', 'astrophysics, missing-mass', 'galaxy', 'quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106152'] | ['We study a scale invariant two measures theory where a dilaton field \\phi has no explicit potentials. The scale transformations include a shift \\phi\\to\\phi+const. The theory demonstrates a new mechanism for generation of the exponential potential: in the conformal Einstein frame (CEF), after SSB of scale invarian... | ['2001-06-19'] |
351 | ['eng'] | ['Mazur, P O', 'Mottola, E'] | ['Weyl Cohomology and the Effective Action for Conformal Anomalies'] | ['Particle Physics - Theory'] | ['Wess-Zumino term', 'anomaly, conformal', 'effective action, nonlocal', 'any-dimensional', 'cohomology, Weyl', 'operator', 'regularization, dimensional', 'dimension, 2', 'dimension, 4', 'tensor, energy-momentum', 'scaling, finite size', 'infrared problem', 'gravitation', 'space-time, anti-de Sitter', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106151'] | ['We present a general method of deriving the effective action for conformal anomalies in any even dimension, which satisfies the Wess-Zumino consistency condition by construction. The method relies on defining the coboundary operator of the local Weyl group, and giving a cohomological interpretation to counterterms in... | ['2001-06-19'] |
352 | ['eng'] | ['Gates, S J'] | ['Superconformal Symmetry in 11D Superspace and the M-Theory Effective Action'] | ['Particle Physics - Theory'] | ['superspace', 'dimension, 11', 'symmetry, conformal', 'M-theory', 'effective action', 'supergravity, fluctuation', 'torsion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106150'] | ['We establish a theorem about non-trivial 11D supergravity fluctuations that are conformally related to flat superspace geometry. Under the assumption that a theory of conformal 11D supergravity exists, similar in form to that of previously constructed theories in lower dimensions, this theorem demands the appearance ... | ['2001-06-19'] |
353 | ['eng'] | ['Vasilev, M A'] | ['Conformal Higher Spin Symmetries of 4d Massless Supermultiplets and osp(L,2M) Invariant Equations in Generalized (Super)Space'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'massless', 'dimension, 4', 'multiplet', 'supersymmetry', 'spin, high', 'gauge field theory, Yang-Mills', 'algebra, SU(2,2)', 'representation, duality', 'Bogolyubov transformation', 'symmetry, OSp(N,M)', 'space-time, anti-de Sitter', 'any-dimensional', 'vacuum state', 'quantization', 'biblio... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106149'] | ['Realization of the conformal higher spin symmetry on the 4d massless field supermultiplets is given. The self-conjugated supermultiplets, including the linearized ${\\cal N}=4$ SYM theory, are considered in some detail. Duality between non-unitary field-theoretical representations and the unitary doubleton--type repr... | ['2001-06-19'] |
354 | ['eng'] | ['Peet, A W'] | ['More on Singularity Resolution'] | ['Particle Physics - Theory'] | ['talk', 'space-time, singularity', 'string model', 'enhancon', 'membrane model', 'gauge field theory', 'supergravity', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106148'] | ['String theoretic resolution of classical spacetime singularities is discussed. Particular emphasis is on the use of brane probes, and the connection [1] of the enhancon phenomenon [2] to the n=2* Pilch-Warner flow spacetime [3]. Some comments and details on the singularity of the PW spacetime are added. For the proce... | ['2001-06-19'] |
355 | ['eng'] | ['Paul, B C', 'Chakravarty, S'] | ['Inflaton Field and Primordial Blackhole'] | ['Particle Physics - Theory'] | ['black hole, production', 'inflaton, potential', 'space-time, Reissner-Nordstroem', 'space-time, de Sitter', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106147'] | ['Primordial black hole formation has been studied using an inflaton field with a variable cosmological term as the potential.'] | ['2001-06-19'] |
356 | ['eng'] | ['Gravanis, E', 'Mavromatos, Nikolaos E'] | ['Impulse Action on D-particles in Robertson-Walker Space Times, Higher-Order Logarithmic Conformal Algebras and Cosmological Horizons'] | ['Particle Physics - Theory'] | ['space-time, Robertson-Walker', 'embedding', 'recoil, D-particle', 'sigma model', 'algebra, conformal', 'two-point function', 'renormalization group, fixed point', 'space-time, horizon', 'back reaction', 'critical phenomena', 'field theory, conformal', 'field theory, Liouville', 'operator, vertex'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106146'] | ["We demonstrate that an impulse action (`recoil') on a D-particle embedded in a (four-dimensional) cosmological Robertson-Walker (RW) spacetime is described, in a $\\sigma$-model framework, by a suitably extended higher-order logarithmic world-sheet algebra of relevant deformations. We study in some detail the algebra... | ['2001-06-19'] |
357 | ['eng'] | ['Ghoroku, K', 'Nakamura, A'] | ['Massive vector trapping as a gauge boson on a brane'] | ['Particle Physics - Theory'] | ['membrane model, action', 'Randall-Sundrum model', 'space-time, anti-de Sitter', 'dimension, 5', 'dimension, 4', 'field theory, vector', 'massive', 'photon, gauge boson', 'potential', 'field theory, fluctuation', 'field equations, solution', 'propagator, vector'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106145'] | ['We propose a mechanism to trap massive vector fields as a photon on the Randall-Sundrum brane embedded in the five dimensional AdS space. This localization-mechanism of the photon is realized by considering a brane action, to which a quadratic potential of the bulk-vector fields is added. We also point out that this ... | ['2001-06-19'] |
358 | ['eng'] | ['Starkman, G D', 'Stojkovic, D B', 'Trodden, M'] | ['Homogeneity, Flatness and "Large" Extra Dimensions'] | ['Particle Physics - Theory'] | ['Friedman model', 'space-time, Robertson-Walker', 'direct production', 'Kaluza-Klein model', 'excited state, decay', 'entropy', 'space-time, topology', 'density, fluctuation', 'space-time, higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106143'] | ['We consider a model in which the universe is the direct product of a (3+1)-dimensional Friedmann, Robertson-Walker (FRW) space and a compact hyperbolic manifold (CHM). Standard Model fields are confined to a point in the CHM (i.e. to a brane). In such a space, the decay of massive Kaluza-Klein modes leads to the inje... | ['2001-09-14'] |
359 | ['eng'] | ['Takayanagi, T'] | ['Tachyon Condensation on Orbifolds and McKay Correspondence'] | ['Particle Physics - Theory'] | ['string model', 'orbifold', 'dimension, 3', 'tachyon, condensation', 'membrane model, D-brane', 'membrane, decay', 'supersymmetry', 'algebra, geometry', 'category'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106142'] | ['In this short note we present a mathematical interpretation of tachyon condensation on (three dimensional) orbifolds within the framework of boundary string field theory (BSFT). We explicitly show that important parts of decay modes in brane-antibrane systems with N=2 boundary supersymmetry can be interpreted as the ... | ['2001-06-18'] |
360 | ['eng'] | ['Leblond, F', 'Myers, R C', 'Winters, D J'] | ['Consistency Conditions for Brane Worlds in Arbitrary Dimensions'] | ['Particle Physics - Theory'] | ['membrane model', 'sum rule', 'spontaneous compactification', 'space-time, any-dimensional', 'Randall-Sundrum model', 'dimension, 6', 'tensor, energy-momentum', 'string tension'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106140'] | ["We consider ``brane world sum rules'' for compactifications involving an arbitrary number of spacetime dimensions. One of the most striking results derived from such consistency conditions is the necessity for negative tension branes to appear in five--dimensional scenarios. We show how this result is easily evaded f... | ['2001-06-18'] |
361 | ['eng'] | ['Ots, I', 'Saar, R', 'Loide, R K', 'Liivat, H'] | ['"Dynamical" non-minimal higher-spin interaction and gyromagnetic ratio g=2'] | ['Particle Physics - Theory'] | ['algebra, Poincare', 'algebra, representation', 'coupling, electromagnetic', 'spin, >=1', 'Klein-Gordon equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106137'] | ['The field-dependent invariant representation (the "dynamical" representation) of the Poincar\\\'e algebra is considered as a dynamical principle in order to get the corresponding "dynamical" electromagnetic coupling for higher spins ($s\\geq 1$). If in lower-spin ($s=0,1/2$) cases the "dynamical" coupling is taken to... | ['2001-06-18'] |
362 | ['eng'] | ['Fosco, C D', 'López, A'] | ['Aspects of noncommutative descriptions of planar systems in high magnetic fields'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'Chern-Simons term', 'magnetic field, external field', 'magnetic field, high', 'matter, current', 'Hall effect', 'model, planar', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106136'] | ['We study some aspects of recent proposals to use the noncommutative Chern-Simons theory as an effective description of some planar condensed matter models in strong magnetic fields, such as the Quantum Hall Effect. We present an alternative justification for such a description, which may be extended to other planar s... | ['2001-06-18'] |
363 | ['eng'] | ['Tekin, B'] | ['Higher Dimensional Operators or Large Extra Dimensions?'] | ['Particle Physics - Theory'] | ['gravitation, deformation', 'space-time, higher-dimensional', 'operator, higher-dimensional', 'approximation, nonrelativistic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106134'] | ['We deform gravity with higher curvature terms in four dimensions and argue that the non-relativistic limit is of the same form as the non-relativistic limit of the theories with large extra dimensions. Therefore the experiments that perform sub-millimeter tests of inverse-square law cannot distinguish the effects of ... | ['2001-06-18'] |
364 | ['eng'] | ['Bonanno, A', 'Reuter, M'] | ['Cosmology of the Planck Era from a Renormalization Group for Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'renormalization group', 'effective action', 'Einstein equation, solution', 'density, perturbation', 'astrophysics', 'fixed point', 'particle, horizon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106133'] | ["Homogeneous and isotropic cosmologies of the Planck era before the classical Einstein equations become valid are studied taking quantum gravitational effects into account. The cosmological evolution equations are renormalization group improved by including the scale dependence of Newton's constant and of the cosmolog... | ['2001-06-18'] |
365 | ['eng'] | ['Deo, B B'] | ['Super Virasoro Ghost Algebra using the Conformal Ghosts'] | ['Particle Physics - Theory'] | ['string model, supersymmetry', 'ghost, current', 'algebra, Virasoro', 'ghost, conformal', 'algebra, Clifford', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106132'] | ['Superconformal ghost current generators of conformal dimension 3/2 are constructed using the conformal ghosts and anticommuting infinite dimensional gamma matrices of the Clifford algebra. The super-Virasoro algebra for the ghosts in both the N.S. and R sectors are presented. The anomaly terms in both cases are deduc... | ['2001-06-18'] |
366 | ['eng'] | ['Giovannini, M'] | ['Localization of metric fluctuations on scalar branes'] | ['Particle Physics - Theory'] | ['membrane model, scalar', 'space-time, fluctuation', 'symmetry, Poincare', 'symmetry, spontaneously broken', 'dimension, 5', 'dimension, 4', 'fluctuation, scalar', 'fluctuation, vector', 'zero mode', 'potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106131'] | ["The localization of metric fluctuations on scalar brane configurations breaking spontaneously five-dimensional Poincar\\'e invariance is discussed. Assuming that the four-dimensional Planck mass is finite and that the geometry is regular, it is demonstrated that the vector and scalar fluctuations of the metric are no... | ['2001-06-18'] |
367 | ['eng'] | ['Dimopoulos, S', 'Kachru, S', 'Kaloper, N', 'Lawrence, A', 'Silverstein, E'] | ['Generating Small Numbers by Tunneling in Multi-Throat Compactifications'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'D-brane, 3', 'spontaneous compactification', 'effective action', 'tunneling', 'hierarchy, gauge', 'grand unified theory', 'supersymmetry, symmetry breaking', 'field theory, conformal', 'space-time, anti-de Sitter', 'glueball, decay', 'astrophysics, missing-mass', 'sparticle, mass spectrum',... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106128'] | ['A generic F-theory compactification containing many D3 branes develops multiple brane throats. The interaction of observers residing inside different throats involves tunneling suppression and, as a result, is very weak. This suggests a new mechanism for generating small numbers in Nature. One application is to the h... | ['2001-09-14'] |
368 | ['eng'] | ['Anchordoqui, L A', 'Edelstein, J D', 'Núñez, C', 'Bergliaffa, S E P', 'Schvellinger, M', 'Trobo, M L', 'Zyserman, F'] | ['Brane Worlds, String Cosmology, and AdS/CFT'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'astrophysics, string', 'space-time, anti-de Sitter', 'space-time, de Sitter', 'field theory, conformal', 'domain wall'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106127'] | ['Using the thin-shell formalism we discuss the motion of domain walls in de Sitter and anti-de Sitter (AdS) time-dependent bulks. This motion results in a dynamics for the brane scale factor. We show that in the case of a clean brane the scale factor describes both singular and non-singular universes, with phases of c... | ['2001-06-15'] |
369 | ['eng'] | ['Sfetsos, K'] | ['Dynamical emergence of extra dimensions and warped geometries'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 4', 'space-time, Minkowski', 'geometry', 'dimension, 5', 'symmetry, Z(N)', 'supersymmetry', 'membrane model, D-brane', 'continuum limit', 'lattice', 'approximation, strong coupling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106126'] | ['We present four-dimensional gauge theories in Minkowski spacetime which effectively generate in certain energy regimes five-dimensional warped geometries whereas, in general, the fifth dimension is latticized. After discussing in detail several general aspects in such theories we present a number of exactly solvable ... | ['2001-06-15'] |
370 | ['eng'] | ['Gamboa-Rios, J', 'Loewe, M', 'Méndez, F', 'Rojas, J C'] | ['Noncommutative Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics, noncommutative', 'dimension, 2', 'perturbation theory', 'propagator', 'potential', 'partition function', 'statistical mechanics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106125'] | ['Quantum mechanics in a noncommutative plane is considered. For a general two dimensional central field, we find that the theory can be perturbatively solved for large values of the noncommutative parameter ($\\theta$) and explicit expressions for the eigenstates and eigenvalues are given. The Green function is explic... | ['2001-06-15'] |
371 | ['eng'] | ['Read, N', 'Saleur, H'] | ['Exact spectra of conformal supersymmetric nonlinear sigma models in two dimensions'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'dimension, 2', 'field theoretical model, CP(N-1)', 'coset space, OSp(N,M)', 'renormalization group, fixed point', 'invariance, conformal', 'model, vertex', 'critical phenomena, percolation', 'partition function', 'gas, Coulomb', 'Landau-Ginzburg model', 'dilute gas approxima... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106124'] | ['We study two-dimensional nonlinear sigma models in which the target spaces are the coset supermanifolds U(n+m|n)/[U(1)\\times U(n+m-1|n)] \\cong CP^{n+m-1|n} (projective superspaces) and OSp(2n+m|2n)/OSp(2n+m-1|2n) \\cong S^{2n+m-1|2n} (superspheres), n, m integers, -2\\leq m\\leq 2; these quantum field theories live... | ['2001-06-15'] |
372 | ['eng'] | ['Gannon, T'] | ['Algorithms for affine Kac-Moody algebras'] | ['Particle Physics - Theory'] | ['algebra, Kac-Moody', 'algebra, affine', 'Wess-Zumino-Witten model', 'group theory, Weyl', 'algebra, Lie', 'S-matrix', 'parity', 'numerical methods'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106123'] | ['Weyl groups are ubiquitous, and efficient algorithms for them -- especially for the exceptional algebras -- are clearly desirable. In this paper we provide several of these, addressing practical concerns arising naturally for instance in computational aspects of the study of affine algebras or Wess-Zumino-Witten conf... | ['2001-06-15'] |
373 | ['eng'] | ['Kiem, Y H', 'Rey, S J', 'Sato, H T', 'Yee, J T'] | ['Open Wilson Lines and Generalized Star Product in Nocommutative Scalar Field Theories'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'Wilson loop', 'effective action', 'Feynman graph, higher-order', 'dipole', 'phi**n model, 3', 'correlation function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106121'] | ['Open Wilson line operators and generalized star product have been studied extensively in noncommutative gauge theories. We show that they also show up in noncommutative scalar field theories as universal structures. We first point out that dipole picture of noncommutative geometry provides an intuitive argument for r... | ['2001-06-15'] |
374 | ['eng'] | ['Grojean, C', 'Quevedo, F', 'Tasinato, G', 'Zavala, I'] | ['Branes on Charged Dilatonic Backgrounds'] | ['Particle Physics - Theory'] | ['membrane model', 'background, charge', 'dilaton', 'space-time', 'violation, Lorentz', 'dimension, 5', 'gravitational radiation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106120'] | ['We study the motion of an n-brane in an n+q+2 dimensional background that has dilatonic q-brane singularities and that is charged under an antisymmetric tensor field. The background spacetime is maximally symmetric in the n-dimensions parallel to the n-brane with constant curvature k=0,+1,-1. For k=1 the bulk solutio... | ['2001-06-15'] |
375 | ['eng'] | ['Bizdadea, C', 'Saliu, S O'] | ['Lagrangian Sp(3) BRST symmetry for Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'invariance, Becchi-Rouet-Stora', 'symmetry, Sp(3)', 'antifield', 'master equation, classical', 'gauge fixing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106118'] | ['The Sp(3) BRST symmetry for Yang-Mills theory is derived in the framework of the antibracket-antifield formalism.'] | ['2001-06-15'] |
376 | ['eng'] | ['Gauntlett, J P', 'Kim, N', 'Martelli, D', 'Waldram, D'] | ['Wrapped fivebranes and N=2 super Yang--Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'supergravity', 'dimension, 10', 'membrane model', 'infrared problem', 'moduli space', 'anomaly, U(1)', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106117'] | ['We construct D=10 supergravity solutions corresponding to type IIB fivebranes wrapping a two-sphere in a Calabi--Yau two-fold. These are related in the IR to the large N limit of pure N=2 SU(N) super Yang--Mills theory. We show that the singularities in the IR correspond to the wrapped branes being distributed on a r... | ['2001-06-15'] |
377 | ['eng'] | ['Naik, S'] | ['The Sigma model formulation of the type II string theory in the $Ads_5\\times S_5$ backgrounds with Ramond-Ramond Flux'] | ['Particle Physics - Theory'] | ['string model', 'space-time', 'dimension, 10', 'sigma model', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106116'] | ['A sigma model action is constructed for the type II string in the $Ads_5\\times S_5$ backgrounds with Ramond-Ramond flux.'] | ['2001-06-15'] |
378 | ['eng'] | ['Hatsuda, M', 'Sakaguchi, M'] | ['Wess-Zumino term for the AdS superstring and generalized Inonu-Wigner contraction'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, anti-de Sitter', 'Wess-Zumino term', 'algebra, SO(3)', 'group theory, Poincare', 'algebra, OSp(1/32)', 'charge, string', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106114'] | ['We examine a Wess-Zumino term, written in bilinear of superinvariant currents, for a superstring in anti-de Sitter (AdS) space. The standard Inonu-Wigner contraction does not give the correct flat limit but gives zero. This originates from the fact that the fermionic metric of the super-Poincare group is degenerate. ... | ['2001-06-15'] |
379 | ['eng'] | ['Maldacena, J M'] | ['Eternal Black Holes in AdS'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, Schwarzschild', 'space-time, anti-de Sitter', 'field theory, conformal', 'information theory', 'duality', 'space-time, cylinder', 'wave function', 'field theory, scalar', 'entanglement'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106112'] | ['We propose a dual non-perturbative description for maximally extended Schwarzschild Anti-de-Sitter spacetimes. The description involves two copies of the conformal field theory associated to the AdS spacetime and an initial entangled state. In this context we also discuss a version of the information loss paradox and... | ['2001-09-14'] |
380 | ['eng'] | ['Visser, M'] | ['Essential and inessential features of Hawking radiation'] | ['Particle Physics - Theory'] | ['radiation, Hawking', 'horizon', 'black hole', 'entropy', 'approximation, eikonal', 'WKB approximation', 'partial wave'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106111'] | ["There are numerous derivations of the Hawking effect available in the literature. They emphasise different features of the process, and sometimes make markedly different physical assumptions. This article presents a ``minimalist'' argument, and strips the derivation of as much excess baggage as possible. All that is ... | ['2001-06-14'] |
381 | ['eng'] | ['Jurco, B', 'Schupp, P', 'Wess, J'] | ['Noncommutative line bundle and Morita equivalence'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'fibre bundle', 'Seiberg-Witten model', 'transformation, gauge', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106110'] | ["Global properites of abelian noncommutative gauge theories based on $\\star$-products which are deformation quantizations of arbitrary Poisson structures are studied. It is shown that the local existence of invertible covariantizing maps (which are closely related to the Seiberg-Witten map) leads naturally to the not... | ['2001-06-14'] |
382 | ['eng'] | ['Witten, Edward'] | ['Quantum Gravity In De Sitter Space'] | ['Particle Physics - Theory'] | ['quantum gravity', 'space-time, de Sitter', 'Hilbert space', 'asymptotic behavior', 'field theory, conformal', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106109'] | ['We discuss some general properties of quantum gravity in De Sitter space. It has been argued that the Hilbert space is of finite dimension. This suggests a macroscopic argument that General Relativity cannot be quantized -- unless it is embedded in a more precise theory that determines the value of the cosmological c... | ['2001-06-14'] |
383 | ['eng'] | ['Boschi-Filho, H', 'Braga, N R F'] | ['Bulk versus boundary quantum states'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'space-time, anti-de Sitter', 'holography', 'duality', 'boundary condition', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106108'] | ['An explicit holographic correspondence between AdS bulk and boundary quantum states is found in the form of a one to one mapping between scalar field creation/annihilation operators. The mapping requires the introduction of arbitrary energy scales and exhibits an ultraviolet-infrared duality: a small regulating mass ... | ['2001-06-14'] |
384 | ['eng'] | ['Kluson, J'] | ["Proposal for Background Independent Berkovits' Superstring Field Theory"] | ['Particle Physics - Theory'] | ['field theory, string', 'supersymmetry', 'background field, dependence', 'field equations, solution', 'operator, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106107'] | ["In this paper we would like to propose the background independent formulation of Berkovits' superstring field theory. Then we will show that the solution of equation of motion of this theory leads to the Berkovits' superstring field theory formulated around particular CFT background."] | ['2001-06-14'] |
385 | ['eng'] | ['Gannon, T'] | ['Boundary Conformal Field Theory and Fusion Ring Representations'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'boundary condition', 'algebra, fusion', 'invariance, modular', 'partition function', 'perturbation theory, higher-order', 'graph theory', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106105'] | ['To an RCFT corresponds two combinatorial structures: the 1-loop {partition function} of a closed string (the amplitude of a torus, sometimes called a modular invariant), and the 1-loop partition function of an open string (a representation of the fusion ring called a NIM-rep or equivalently a fusion graph). In this p... | ['2001-06-14'] |
386 | ['eng'] | ['Nahm, W', 'Wendland, K'] | ['Mirror Symmetry on Kummer Type K3 Surfaces'] | ['Particle Physics - Theory'] | ['symmetry, mirror', 'field theory, conformal', 'supersymmetry', 'central charge, 6', 'orbifold', 'moduli space', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106104'] | ['We investigate both geometric and conformal field theoretic aspects of the version of mirror symmetry on N=(4,4) superconformal field theories with central charge c=6 which was found by Vafa and Witten for more general orbifolds of toroidal theories [VW95], and which was generalized to the celebrated Strominger/Yau/Z... | ['2001-06-14'] |
387 | ['eng'] | ['Kawai, H', 'Kuroki, T'] | ['Strings as Flux Tube and Deconfinement on Branes in Gauge Theories'] | ['Particle Physics - Theory'] | ['membrane model', 'string model', 'gauge field theory, abelian', 'flux tube, stability', 'confinement', 'tachyon, condensation', 'matrix model', 'field theory, scalar', 'effect, dielectric'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106103'] | ['We propose gauge theories in which the unstable branes and the fundamental string are realized as classical solutions. While the former are represented by domain wall like configurations of a scalar field coupled to the gauge field, the latter is by a confined flux tube in the bulk. It is shown that the confined flux... | ['2001-06-14'] |
388 | ['eng'] | ['Lübcke, M', 'Nasir, S M', 'Niemi, Antti J', 'Torokoff, K'] | ['Twisted Plasma Column'] | ['Particle Physics - Theory'] | ['charged particle, plasma', 'magnetic field', 'effective action', 'soliton', 'knot theory', 'plasma, energy', 'spectral representation', 'flux tube', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106102'] | ['We present results from a numerical investigation of an effective field theory model of a two-component plasma with oppositely charged point particles. We are particularly interested in the possible existence of stable knot-like solitons in this model. For this, we numerically construct and analyze the properties of ... | ['2001-06-14'] |
389 | ['eng'] | ['Hayakawa, S', 'Izawa, K I'] | ['Warped Compactification with a Four-Brane'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 6', 'dimension, 4', 'astrophysics, fundamental constant', 'gauge field theory, abelian', 'symmetry, SO(2)', 'spontaneous compactification'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106101'] | ['Warped compactification of the six-dimensional bulk with a negative cosmological constant is realized with a 4-brane along with an abelian gauge theory. No fine tuning of couplings are needed to obtain the vanishing cosmological constant in four dimensions, as is the case for the bulk with a positive cosmological con... | ['2001-06-14'] |
390 | ['eng'] | ['Neupane, I P'] | ['Localized gravity with higher derivative terms'] | ['Particle Physics - Theory'] | ['gravitation', 'derivative, high', 'membrane model', 'gravitation, correction', 'space-time, anti-de Sitter', 'higher-dimensional', 'perturbation, linear', 'graviton, propagator', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106100'] | ['In the intersecting brane configurations with any number $n$ of extra dimensions, we obtain a localized gravity on the $n$ orthogonal {\\it non-solitonic} or {\\it solitonic} $(n+2)$-branes in the presence of higher derivative terms. In the presence of such terms there would exist a non vanishing brane tension at the... | ['2001-06-14'] |
391 | ['eng'] | ['Millikan, R C'] | ['Light Front Models of the Leptons, Bosons, and Quarks'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'transverse', 'oscillator, excited state', 'lepton, model', 'gauge boson, model', 'quark, model', 'fermion, family', 'model, light front', 'twist', 'symmetry, SU(2)', 'symmetry, SU(3)', 'space-time', 'string model', 'quantum number', 'particle, mass', 'Chern-Simons term', 'soliton', 'instan... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106098'] | ['The elementary particles are modeled as harmonic oscillator excitations of transverse U(1) gauge fields propagating at v = c, with open and closed string-like propagation paths. One, two and three node states represent the leptons, bosons, and quarks. We incorporate a twist theta for the gauge field components which ... | ['2001-09-14'] |
392 | ['eng'] | ['Alexander, S', 'Ling, Y', 'Smolin, L'] | ['A thermal instability for positive brane cosmological constant in the Randall-Sundrum cosmologies'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'astrophysics, fundamental constant', 'membrane model', 'radiation, emission', 'temperature', 'dimension, 4-6', 'mirror, acceleration', 'space-time, anti-de Sitter', 'space-time, de Sitter', 'space-time, embedding'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106097'] | ['We describe a novel dynamical mechanism to radiate away a positive four dimensional cosmological constant, $\\Lambda_4$, in the Randall-Sundrum cosmological scenario. We show that there are modes of the bulk gravitational field for which the brane is effectively a mirror. This will generally give rise to an emission ... | ['2001-06-13'] |
393 | ['eng'] | ['Minasian, R', 'Shatashvili, S L', 'Vanhove, P'] | ['Closed Strings from SO(8) Yang-Mills Instantons'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(8)', 'instanton', 'string model, closed', 'dimension, 8', 'dimension, 10', 'supersymmetry, nonlinear', 'effective action', 'tachyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106096'] | ['When eight-dimensional instantons, satisfying F \\wedge F = \\pm \\star_8 (F\\wedge F), shrink to zero size, we find stringy objects in higher order ten-dimensional Yang-Mills (viewed as a low-energy limit of open string theory). The associated F^4 action is a combination of two independent parts having a single-trac... | ['2001-06-13'] |
394 | ['eng'] | ['Rosales, J J', 'Tkach, V I', 'Pashnev, A I'] | ['On the Schr\\"odinger Equation for the Supersymmetric FRW Model'] | ['Particle Physics - Theory'] | ['space-time, Robertson-Walker', 'supersymmetry', 'Schroedinger equation, time dependence', 'invariance, reparametrization', 'minisuperspace'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106095'] | ['We consider a time-dependent Schr\\"odinger equation for the Friedmann-Robertson-Walker (FRW) model. We show that for this purpose it is possible to include an additional action invariant under reparametrization of time. The last one does not change the equations of motion for the minisuperspace model, but changes on... | ['2001-06-13'] |
395 | ['eng'] | ['Petrov, A Yu'] | ['Quantum superfield supersymmetry'] | ['Particle Physics - Theory'] | ['lectures', 'supersymmetry, superfield', 'operator, determinant', 'Feynman graph, higher-order', 'Wess-Zumino model', 'effective action', 'perturbation theory, higher-order', 'renormalization', 'supergravity', 'field theory, dilaton', 'gauge field theory, Yang-Mills', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106094'] | ['Superfield approach in supersymmetric quantum field theory is described. Many examples of its applications to different superfield models are considered.'] | ['2001-06-13'] |
396 | ['eng'] | ['Ahn, C', 'Nam, S', 'Sin, S J'] | ['Orientifold in Conifold and Quantum Deformation'] | ['Particle Physics - Theory'] | ['space, Calabi-Yau', 'conifold', 'string model', 'membrane model', 'supersymmetry', 'orientifold', 'space-time, deformation', 'renormalization group', 'duality', 'symmetry breaking, chiral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106093'] | ["We describe orientifold operation defining O3 plane in the conifold background by deriving it from that of O4 plane in the T-dual Type IIA brane construction. We find that the O3 plane can exist only at the tip of the cone. We discuss how to reconcile this fact with the deformed or resolved conifold where there is no... | ['2001-06-13'] |
397 | ['eng'] | ['Chamseddine, A H', 'Sabra, W A'] | ['Einstein Brane-Worlds In 5D Gauged Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'domain wall, BPS', 'membrane model', 'spinor, Killing', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106092'] | ['We study, in the context of five dimensional N=2 gauged supergravity with vector and hypermultiplets, curved domain wall solutions with worldvolumes given by four dimensional Einstein manifolds with a negative cosmological constant. For a choice of the projection condition on the Killing spinors of the BPS solutions,... | ['2001-06-13'] |
398 | ['eng'] | ['Constantinescu, F', 'Gut, M', 'Scharf, G'] | ['Quantized hermitian superfields'] | ['Particle Physics - Theory'] | ['superfield', 'field theory, scalar', 'supersymmetry, algebra', 'field theory, vector'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106091'] | ['We analyse the algebras generated by free component quantum fields together with the susy generators $Q,\\bar Q$. Restricting to hermitian fields we first construct the scalar field algebra from which various scalar superfields can be obtained by exponentiation. Then we study the vector algebra and use it to construc... | ['2001-06-13'] |
399 | ['eng'] | ['Constantinescu, F', 'Scharf, G'] | ['Causal Approach to Supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry', 'superfield, chiral', 'fermion, Majorana', 'perturbation theory', 'phase space, Fock space', 'quantization', 'S-matrix', 'causality', 'Wess-Zumino model', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106090'] | ['We construct quantized free superfields and represent them as operator-valued distributions in Fock space starting with Majorana fields. The perturbative construction of the S-matrix for interacting theories is carried through by extending the causal method of Epstein and Glaser to superspace. We propose a scaling an... | ['2001-06-13'] |
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