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 |
|---|---|---|---|---|---|---|---|---|
2,900 | ['eng'] | ['Gutperle, M'] | ['Non-BPS D-branes and enhanced symmetry in an asymmetric orbifold'] | ['Particle Physics - Theory'] | ['string model, closed', 'supersymmetry', 'membrane model, D-brane', 'spontaneous compactification', 'orbifold, asymmetry', 'invariance, Becchi-Rouet-Stora', 'duality', 'particle, multiplet', 'boundary condition', 'stability', 'invariance, gauge', 'dimension, 9', 'gauge field theory, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007126'] | ['In this paper properties of D branes in a nine dimensional asymmetric orbifold are discussed, using a $(-1)^{F_L}\\sigma_{1/2}$ projection, where $F_L$ is the leftmoving space-time fermion number and $\\sigma_{1/2}$ is a freely acting shift of order two. There are two types of non BPS D branes, which are stable at $R... | ['2000-07-18'] |
2,901 | ['eng'] | ['Frey, A'] | ['Brane Configurations of BPS Domain Walls for the $N=1^{*}$SU(N) Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'domain wall', 'soliton, BPS', 'membrane model', 'field equations, solution', 'string model', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007125'] | ["We study supersymmetric domain walls in N=1 SU(N) gauge theory with 3 massive adjoint representation chiral multiplets. This theory, known as N=1^*, can be obtained as a massive deformation of N=4 Yang-Mills theory. Following Polchinski and Strassler, we consider the string dual of this theory in terms of spherical 5... | ['2000-07-18'] |
2,902 | ['eng'] | ['Gauntlett, J P', 'Tong, D', 'Townsend, P K'] | ['Supersymmetric Intersecting Domain Walls'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 3', 'dimension, 4', 'dimension, 6', 'supersymmetry', 'domain wall, interaction', 'soliton', 'energy', 'potential, scalar', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007124'] | ['The general scalar potential of D-dimensional sigma-models with eight supersymmetries is found for $D=3,4$. Some models are shown to admit static 1/4 supersymmetric intersecting domain wall solutions. Intersecting domain wall solutions that carry a Noether charge are also found and they too preserve 1/4 supersymmetry... | ['2000-07-18'] |
2,903 | ['eng'] | ['Cruz, W'] | ['Fractal Statistics and Quantum Black Hole Entropy'] | ['Particle Physics - Theory'] | ['statistics, fractals', 'quantum mechanics', 'black hole, entropy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007123'] | ['Simple considerations about the fractal characteristic of the quantum-mechanical path give us the opportunity to derive the quantum black hole entropy in connection with the concept of fractal statistics. We show the geometrical origin of the numerical factor of four of the quantum black hole entropy expression and t... | ['2000-07-18'] |
2,904 | ['eng'] | ['Kemmoku, R', 'Sato, H T'] | ['Deformed fields and Moyal construction of deformed super Virasoro algebra'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'supersymmetry', 'algebra, representation', 'algebra, deformation', 'operator, differential', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007122'] | ['Studied is the deformation of super Virasoro algebra proposed by Belov and Chaltikhian. Starting from abstract realizations in terms of the FFZ type generators, various connections of them to other realizations are shown, especially to deformed field representations, whose bosonic part generator is recently reported ... | ['2000-07-18'] |
2,905 | ['eng'] | ['Setare, M R', 'Rezaeian, A H'] | ['Trace anomaly and Casimir effect'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'domain wall', 'dimension, 2', 'effect, Casimir', 'anomaly, conformal', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007121'] | ['The Casimir energy for scalar field of two parallel conductor in two dimensional domain wall background with Dirichlet boundary conditions is calculated by making use of general properties of renormalized stress tensor.We show that vacuum expectation values of stress tensor contain two terms which come from the bound... | ['2000-07-18'] |
2,906 | ['eng'] | ['Duff, Michael J', 'Liu, J T', 'Stelle, Kellogg S'] | ['A supersymmetric Type IIB Randall-Sundrum realization'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'supersymmetry', 'domain wall', 'supergravity', 'symmetry, Z(2)', 'dimension, 10', 'dimension, 5', 'dimensional reduction', 'string model', 'membrane model', 'orbifold'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007120'] | ['We show that an earlier domain wall solution of type IIB supergravity provides a supersymmetric realization of the Randall-Sundrum brane-world, and give its ten-dimensional interpretation in terms of IIB 3-branes. We also explain how previous no-go theorems are circumvented. In particular, whereas D=5 supergravity sc... | ['2000-07-18'] |
2,907 | ['eng'] | ['Bruckmann, F', 'Heinzl, T', 'Vekua, T', 'Wipf, A'] | ['Magnetic monopoles vs. Hopf defects in the Laplacian (Abelian) gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Higgs model', 'magnetic monopole', 'topology, defect', 'dependence, gauge', 'field equations, solution', 'fibre bundle', 'gauge, abelian', 'instanton', 'defect, Hopf', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007119'] | ['We investigate the Laplacian Abelian gauge on the sphere S^4 in the background of a single `t Hooft instanton. To this end we solve the eigenvalue problem of the covariant Laplace operator in the adjoint representation. The ground state wave function serves as an auxiliary Higgs field. We find that the ground state i... | ['2000-07-18'] |
2,908 | ['eng'] | ['Schwarz, J H'] | ['String Theory'] | ['Particle Physics - Theory'] | ['talk', 'particle physics, history', 'S-matrix', 'duality', 'bootstrap', 'dual resonance model', 'string model', 'scattering amplitude, higher-order', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007118'] | ["Lenny Susskind has made many important contributions to theoretical physics during the past 35 years. In this talk I will discuss the early history of string theory (1968-72) emphasizing Susskind's contributions."] | ['2000-07-17'] |
2,909 | ['eng'] | ['Schwarz, J H'] | ['Reminiscences of Collaborations with Joel Scherk'] | ['Particle Physics - Theory'] | ['talk', 'particle physics, history', 'string model', 'supersymmetry, symmetry breaking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007117'] | ['I had the privilege of collaborating with Joel Scherk on three separate occasions: in 1970 at Princeton, in 1974 at Caltech, and in 1978-79 at the Ecole Normale Superieure. In this talk I give some reminiscences of these collaborations.'] | ['2000-07-17'] |
2,910 | ['eng'] | ['Gomes, J F', 'Gueuvoghlanian, E P', 'Sotkov, G M', 'Zimerman, A H'] | ['T-duality of axial and vector dyonic integrable models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, Toda', 'field theory, affine', 'Wess-Zumino-Witten model', 'dimension, 2', 'gauge field theory', 'perturbation theory, higher-order', 'higher-order, 2', 'duality', 'torsion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007116'] | ['A general construction of affine Non Abelian Toda(NA) models in terms of axial and vector gauged two loop WZNW model is discussed. We study the {\\it off-critical T-duality} between certain families of axial and vector type of integrable models for the case of affine NA- Toda theories with one global U(1) symmetry . ... | ['2000-07-17'] |
2,911 | ['eng'] | ['Anselmo, F', 'Ellis, Jonathan Richard', 'Nanopoulos, Dimitri V', 'Volkov, G'] | ['Results from an Algebraic Classification of Calabi-Yau Manifolds'] | ['Particle Physics - Theory'] | ['space, Calabi-Yau', 'charge, topological', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007115'] | ["We present results from an inductive algebraic approach to the systematic construction and classification of the `lowest-level' CY3 spaces defined as zeroes of polynomial loci associated with reflexive polyhedra, derived from suitable vectors in complex projective spaces. These CY3 spaces may be sorted into `chains' ... | ['2000-07-17'] |
2,912 | ['eng'] | ['Youm, D'] | ['q-Deformed Conformal Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics, deformation', 'symmetry breaking, conformal', 'dimension, 2', 'algebra, Heisenberg'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007114'] | ['We construct a q-deformed version of the conformal quantum mechanics model of de Alfaro, Fubini and Furlan for which the deformation parameter is complex and the unitary time evolution of the system is preserved. We also study differential calculus on the q-deformed quantum phase space associated with such system.'] | ['2000-07-17'] |
2,913 | ['eng'] | ['Govaerts, J'] | ['Half-Integer Winding Number Solutions to the Landau-Ginzburg-Higgs Equations and Instability of the Abrikosov-Nielsen-Olesen Vortex'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'Landau-Ginzburg model', 'vortex, stability', 'charge, topological', 'charge, fractional', 'domain wall', 'model, superconducting', 'symmetry, spontaneously broken', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007112'] | ['New solutions to the abelian U(1) Higgs model, corresponding to vortices of integer and half-integer winding number bound onto the edges of domain walls and possibly surrounded by annular current flows, are described, based on a fine-grained analysis of the topology of such configurations in spacetime. The existence ... | ['2000-07-17'] |
2,914 | ['eng'] | ['Vlasov, G V'] | ['The superfluidity of fermions coupled to gravity'] | ['Particle Physics - Theory'] | ['Fermi gas, relativistic', 'gravitation', 'superfluid', 'Bogolyubov transformation', 'approximation, linear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007111'] | ['We investigate superfluidity of the relativistic fermi-gas with gravitational interaction. The excitation spectrum is obtained within the linearized theory. While superfluidity may take place at a definite ratio of the Fermi momentum, rest mass and coupling constant, the metric coefficients play predominant role form... | ['2000-07-17'] |
2,915 | ['eng'] | ['Kumar, A', 'Misra, A'] | ['Triality of Four Dimensional Strings and Networks'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'triality', 'space-time', 'string, network', 'supergravity', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007110'] | ['We apply the string-triality\\cite{duffetal} to argue the existence of the string-networks of solitonic T and U-strings in the heterotic theory on T^6, S and T-strings in IIB on K3 x T^2 and, S and U-strings in IIA on K3 x T^2. We then show the existence of the above heterotic string networks by analyzing the supersy... | ['2000-07-17'] |
2,916 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N'] | ['Consistent Warped-Space Kaluza-Klein Reductions, Half-Maximal Gauged Supergravities and $CP^{n}$ Constructions'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'supergravity, embedding', 'dimension, 4-7', 'dimension, 11', 'gauge field theory, SU(2)', 'duality, T-duality', 'vacuum state', 'space-time, anti-de Sitter', 'space, CP(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007109'] | ["We obtain new consistent Kaluza-Klein embeddings of the gauged supergravities with half of maximal supersymmetry in dimensions D=7, 6, 5 and 4. They take the form of warped embeddings in type IIA, type IIB, M-theory and type IIB respectively, and are obtained by performing Kaluza-Klein circle reductions or T-duality ... | ['2000-07-17'] |
2,917 | ['eng'] | ['Jentschura, U D', 'Weniger, E J'] | ['Comment on "The Effective Action'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'effective action', 'perturbation theory, higher-order', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007108'] | ['We show that results recently reported in [Cho and Pak, hep-th/0006057] have appeared in the literature before.'] | ['2000-07-17'] |
2,918 | ['eng'] | ['Bak, D', 'Lee, K'] | ['Elongation of Moving Noncommutative Solitons'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 3', 'differential geometry, noncommutative', 'soliton', 'symmetry breaking, Lorentz'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007107'] | ["We discuss the characteristic properties of noncommutative solitons moving with constant velocity. As noncommutativity breaks the Lorentz symmetry, the shape of moving solitons is affected not just by the Lorentz contraction along the velocity direction, but also sometimes by additional `elongation' transverse to the... | ['2000-07-17'] |
2,919 | ['eng'] | ['Cai, R G', 'Ohta, N'] | ['(F1, D1, D3) Bound State, Its Scaling Limits and SL(2,Z) Duality'] | ['Particle Physics - Theory'] | ['supergravity', 'bound state', 'scaling', 'duality, SL(2,Z)', 'gauge field theory, Yang-Mills', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007106'] | ['We investigate the properties of the bound state (F1, D1, D3) in IIB supergravity in three different scaling limits and the $SL(2, Z)$ transformation of the resulting theories. In the simple decoupling limit with finite electric and magnetic components of NS $B$ field, the worldvolume theory is the ${\\cal N}$=4 SYM ... | ['2000-07-17'] |
2,920 | ['eng'] | ['Bastianelli, F', 'Corradini, O', 'van Nieuwenhuizen, P'] | ['Dimensional regularization of the path integral in curved space on an infinite time interval'] | ['Particle Physics - Theory'] | ['space-time', 'quantum mechanics', 'path integral', 'regularization, dimensional', 'propagator', 'perturbation theory, higher-order', 'higher-order, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007105'] | ['We use dimensional regularization to evaluate quantum mechanical path integrals in arbitrary curved spaces on an infinite time interval. We perform 3-loop calculations in Riemann normal coordinates, and 2-loop calculations in general coordinates. It is shown that one only needs a covariant two-loop counterterm (V_{DR... | ['2000-07-14'] |
2,921 | ['eng'] | ['Ooguri, H', 'Rahmfeld, J', 'Robins, H', 'Tannenhauser, J'] | ['Holography in Superspace'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'supersymmetry, superspace', 'coset space', 'holography', 'boundary condition', 'Wilson loop', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007104'] | ['The AdS/CFT correspondence identifies the coordinates of the conformal boundary of anti-de Sitter space with the coordinates of the conformal field theory. We generalize this identification to theories formulated in superspace. As an application of our results, we study a class of Wilson loops in N=4 SYM theory. A ga... | ['2000-07-14'] |
2,922 | ['eng'] | ['Lukierski, J', 'Stichel, P C', 'Zakrzewski, W J'] | ['From Gauging Nonrelativistic Translations to N-Body Dynamics'] | ['Particle Physics - Theory'] | ['particle, nonrelativistic', 'gravitation', 'dimension, 3', 'field equations, solution', 'Hamiltonian formalism', 'conservation law', 'quantization, 1', 'Schroedinger equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007102'] | ['We consider the gauging of space translations with time-dependent gauge functions. Using fixed time gauge of relativistic theory, we consider the gauge-invariant model describing the motion of nonrelativistic particles. When we use gauge-invariant nonrelativistic velocities as independent variables the translation ga... | ['2000-07-14'] |
2,923 | ['eng'] | ['Lindström, U', 'Svendsen, H'] | ['A pedestrian approach to the high energy limits of branes and other gravitational systems'] | ['Particle Physics - Theory'] | ['membrane model', 'Hamiltonian formalism', 'constraint', 'particle, relativistic', 'string model, boson', 'phase space', 'relativity theory, general', 'diffeomorphism, invariance'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007101'] | ['In this article we study limits of models that contain a dimensionful parameter such as the mass of the relativistic point-particle. The limits are analogous to the massless limit of the particle and may be thought of as high energy limits. We present the ideas and work through several examples in a (hopefully) pedag... | ['2000-07-14'] |
2,924 | ['eng'] | ['Pelc, O'] | ['On the Quantization Constraints for a D3 Brane in the Geometry of NS5 Branes'] | ['Particle Physics - Theory'] | ['membrane model', 'p-brane, 3', 'p-brane, 5', 'quantization, constraint', 'approximation, quasiclassical', 'supersymmetry', 'differential geometry', 'energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007100'] | ['A D3 brane in the background of NS5 branes is studied semi-classically. The conditions for preserved supersymmetry are derived, leading to a differential equation for the shape of the D3 brane. The solutions of this equation are analyzed. For a D3 brane intersecting the NS5 branes, the angle of approach is known to b... | ['2000-07-13'] |
2,925 | ['eng'] | ['Claus, P', 'Rahmfeld, J', 'Robins, H', 'Tannenhauser, J', 'Zunger, Y'] | ['Isometries in anti-de Sitter and Conformal Superspaces'] | ['Particle Physics - Theory'] | ['superspace, conformal', 'coset space', 'space-time, anti-de Sitter', 'supersymmetry, algebra', 'supersymmetry, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007099'] | ['We derive explicit forms for the superisometries of a wide class of supercoset manifolds, including those with fermionic generators in the stability group. We apply the results to construct the action of SU(2,2|4) on three supercoset manifolds: (10|32)-dimensional AdS_5 x S^5 superspace, (4|16)-dimensional conformal ... | ['2000-07-13'] |
2,926 | ['eng'] | ['Fleck, M'] | ['BFT Embedding of Interacting Second-Class Systems'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'fermion', 'duality', 'quantization, constraint', 'Hamiltonian formalism', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007098'] | ['The embedding procedure of Batalin, Fradkin, and Tyutin, which allows to convert a second-class system into a first-class one, is employed to convert second-class interacting models. Two cases are considered. One, is the Self-Dual model minimally coupled to a Dirac fermion field. The other, the Self-Dual model minima... | ['2000-07-13'] |
2,927 | ['eng'] | ['Bertolini, M', 'Vecchia, P D', 'Frau, M', 'Lerda, A', 'Marotta, R', 'Russo, R'] | ['Is a classical description of stable non-BPS D-branes possible?'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model', 'supersymmetry', 'dimension, 10', 'spontaneous compactification', 'field theory, classical', 'bound state', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007097'] | ['We study the classical geometry produced by a stack of stable (i.e. tachyon free) non-BPS D-branes present in K3 compactifications of type II string theory. This classical representation is derived by solving the equations of motion describing the low-energy dynamics of the supergravity fields which couple to the non... | ['2000-07-13'] |
2,928 | ['eng'] | ['Alekseev, A', 'Schomerus, V'] | ['RR charges of D2-branes in the WZW model'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, tensor', 'Wess-Zumino-Witten model', 'flux, background', 'charge, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007096'] | ['We consider the contribution of the B-field into the RR charge of a spherical D2-brane. Extending a recent analysis of Taylor, we show that the boundary and bulk contributions do not cancel in general. Instead, they add up to an integer as observed by Stanciu. The general formula is applied to compute the RR charges ... | ['2000-07-13'] |
2,929 | ['eng'] | ['Lienart, S', 'Ruelle, P', 'Verhoeven, O'] | ['On Discrete Symmetries in su(2) and su(3) Affine Theories and Related Graphs'] | ['Particle Physics - Theory'] | ['algebra, SU(2)', 'algebra, SU(3)', 'algebra, affine', 'symmetry, discrete', 'algebra, representation', 'symmetry, discrete', 'partition function', 'graph theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007095'] | ['We classify the possible finite symmetries of conformal field theories with an affine Lie algebra su(2) and su(3), and discuss the results from the perspective of the graphs associated with the modular invariants. The highlights of the analysis are first, that the symmetries we found in either case are matched by the... | ['2000-07-13'] |
2,930 | ['eng'] | ['Elizalde, E'] | ['Matching the observational value of the cosmological constant'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'astrophysics, fundamental constant', 'field theory, scalar', 'effect, Casimir', 'boundary condition', 'spontaneous compactification', 'vacuum state', 'energy, density'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007094'] | ['A simple model is introduced in which the cosmological constant is interpreted as a true Casimir effect on a scalar field filling the universe (e.g. $\\mathbf{R} \\times \\mathbf{T}^p\\times \\mathbf{T}^q$, $\\mathbf{R} \\times \\mathbf{T}^p\\times \\mathbf{S}^q, ...$). The effect is driven by compactifying boundary ... | ['2000-07-13'] |
2,931 | ['eng'] | ['Rosa, L', 'Vitale, P', 'Wetterich, C'] | ['Critical exponents of the Gross-Neveu model from the effective average action'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'symmetry, O(N)', 'effective action', 'critical phenomena', 'perturbation theory, higher-order', 'renormalization', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007093'] | ['The phase transition of the Gross-Neveu model with N fermions is investigated by means of a non-perturbative evolution equation for the scale dependence of the effective average action. The critical exponents and scaling amplitudes are calculated for various values of N in d=3. It is also explicitely verified that th... | ['2000-07-13'] |
2,932 | ['eng'] | ['Banerjee, R', 'Mandal, B P'] | ['Quantum gauge symmetry from finite field dependent BRST transformations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'symmetry breaking', 'field theory, massive', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007092'] | ['Using the technique of finite field dependent BRST transformations we show that the classical massive Yang-Mills theory and the pure Yang-Mills theory whose gauge symmetry is broken by a gauge fixing term are identical from the view point of quantum gauge symmetry. The explicit infinitesimal transformations which lea... | ['2000-07-13'] |
2,933 | ['eng'] | ['Polshin, S A'] | ['Quantization of fields over de Sitter space by the method of generalized coherent states'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'field theory, scalar', 'fermion', 'field theory, de Sitter', 'quantization', 'coherent state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007091'] | ['A system of generalized coherent states for the de Sitter group obeying the Klein-Gordon equation and corresponding to the massive spin zero particles over the de Sitter space is considered. This allows us to construct the quantized scalar field by the resolution over these coherent states; the corresponding propagat... | ['2000-07-13'] |
2,934 | ['eng'] | ['Angelantonj, Carlo', 'Antoniadis, Ignatios', 'Dudas, E A', 'Sagnotti, A'] | ['Type-I strings on magnetised orbifolds and brane transmutation'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'membrane model', 'p-brane, 9', 'p-brane, 5', 'orbifold, magnetic', 'orientifold', 'tachyon', 'stability', 'Kaluza-Klein model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007090'] | ['In the presence of internal magnetic fields, a D9 brane can acquire a D5 (or anti-D5) R-R charge, and can therefore contribute to the corresponding tadpole. In the resulting vacua, supersymmetry is generically broken and tachyonic instabilities are present. However, suitable choices for the magnetic fields, correspon... | ['2000-07-12'] |
2,935 | ['eng'] | ['Rey, S J', 'Von Unge, R'] | ['S-Duality, Noncritical Open String and Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'gauge field theory, U(1)', 'duality, transformation', 'Wilson loop', 'string model, open', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007089'] | ["We examine several aspects of S-duality of four-dimensional noncommutative gauge theory. By making duality transformation explicit, we find that S-dual of noncommutative gauge theory is defined in terms of dual noncommutative deformation. In `magnetic' noncommutative U(1) gauge theory, we show that, in addition to ga... | ['2000-07-12'] |
2,936 | ['eng'] | ['Mathieu, P', 'Rasmussen, J', 'Walton, M A'] | ['Fusion in coset CFT from admissible singular-vector decoupling'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, fractional', 'coset space', 'algebra, fusion', 'algebra, representation', 'decoupling', 'algebra, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007088'] | ['Fusion rules for Wess-Zumino-Witten (WZW) models at fractional level can be defined in two ways, with distinct results. The Verlinde formula yields fusion coefficients that can be negative. These signs cancel in coset fusion rules, however. On the other hand, the fusion coefficients calculated from decoupling of sing... | ['2000-07-12'] |
2,937 | ['eng'] | ['Klein, M', 'Rabadan, Raul'] | ['D=4, N=1 orientifolds with vector structure'] | ['Particle Physics - Theory'] | ['orientifold', 'symmetry, Z(N)', 'supersymmetry', 'string model', 'string, open', 'string, closed', 'membrane model', 'p-brane, 5', 'p-brane, 9', 'geometry', 'group theory, representation', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007087'] | ["We construct compact type IIB orientifolds with discrete groups Z_4, Z_6, Z_6', Z_8, Z_12 and Z_12'. These models are N=1 supersymmetric in D=4 and have vector structure. The possibility of having vector structure in Z_N orientifolds with even N arises due to an alternative Omega-projection in the twisted sectors. So... | ['2000-07-12'] |
2,938 | ['eng'] | ['Pando-Zayas, L A', 'Tseytlin, Arkady A'] | ['Conformal Sigma Models for a Class of $T ^{p,q}$ Spaces'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'sigma model, nonlinear', 'coset space', 'differential geometry', 'string model', 'supersymmetry', 'differential forms, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007086'] | ["We consider a 2-d conformal theory based on (G x G')/ H coset sigma model introduced by Guadagnini, Martellini and Mintchev. It is shown that in the case of {SU(2) x SU(2)}/ U(1) the metric of the corresponding background is of T^{p,q} coset space form (but is not an Einstein one). Similar interpretation is possible ... | ['2000-07-12'] |
2,939 | ['eng'] | ['Peresunko, Yu P'] | ['Geometrical Approach to the Gauge Field Mass Problem'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'space-time', 'dimensional reduction', 'effective action', 'gauge field theory, Yang-Mills', 'mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007085'] | ['In the Kaluza - Klein approach the (4+d)-dimensional Einstein--Hilbert gravity action is considered. The extra d-dimensional manifold V_d is a Riemann space with the d-parametric group of isometry $G_d$ which acts on V_d by the left shifts and with arbitrary nondegenerated left-invariant metric g_{ab}. The gauge fiel... | ['2000-07-12'] |
2,940 | ['eng'] | ['Fujikawa, K'] | ['Aspects of Anomalies in Field Theory'] | ['Particle Physics - Theory'] | ['talk, Singapore 2000/03/13', 'gauge field theory, Yang-Mills', 'fermion, chiral', 'path integral', 'anomaly', 'lattice field theory', 'perturbation theory, higher-order', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007084'] | ['We discuss some formal aspects of quantum anomalies with an emphasis on the regularization of field theory. We briefly review how ambiguities in perturbation theory have been resolved by various regularization schemes. To single out the true quantum anomaly among ambiguities, the combined ideas of PCAC, soft pion lim... | ['2000-07-12'] |
2,941 | ['eng'] | ['Papadopoulos, G', 'Tong, D'] | ['Brane Potentials and Moduli Spaces'] | ['Particle Physics - Theory'] | ['supergravity', 'membrane model, D-brane', 'membrane model, p-brane', 'moduli space', 'gauge field theory, Yang-Mills', 'Born-Infeld model', 'perturbation theory, higher-order', 'magnetic monopole', 'potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007083'] | ['It is shown that the supergravity moduli spaces of D1-D5 and D2-D6 brane systems coincide with those of the Coulomb branches of the associated non-abelian gauge theories. We further discuss situations in which worldvolume brane actions include a potential term generated by probing certain supergravity backgrounds. We... | ['2000-07-12'] |
2,942 | ['eng'] | ['Zamora, Frederic'] | ['Non-Supersymmetric SO(3)-Invariant Deformations of N=1* Vacua and their Dual String Theory Description'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'effective potential', 'membrane model, p-brane', 'vacuum state', 'duality, transformation', 'symmetry, SO(3)', 'field theory, deformation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007082'] | ["We study the SO(3)-invariant relevant deformations of N=4 SU(N) gauge theory using the methods of Polchinski and Strassler. We present the region of parameter space where the non-supersymmetric vacuum is still described by stable ``dielectric'' five branes within the supergravity approximation."] | ['2000-07-12'] |
2,943 | ['eng'] | ['Lenz, F', 'Thies, M', 'Yazaki, K'] | ['Chiral Condensates in the Light-Cone Vacuum'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'dimension, 4', 'Gross-Neveu model', 'dimension, 2', 'quantization, light cone', 'path integral', 'condensation, chiral', 'symmetry, spontaneously broken', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007081'] | ['In light-cone quantization, the standard procedure to characterize the phases of a system by appropriate ground state expectation values fails. The light-cone vacuum is determined kinematically. We show that meaningful quantities which can serve as order parameters are obtained as expectation values of Heisenberg ope... | ['2000-07-12'] |
2,944 | ['eng'] | ['Gomes, M J', 'Malbouisson, J M C', 'Rodrigues, A G', 'Silva, A J'] | ['Relativistic scalar Aharonov-Bohm scattering'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'scalar particle, relativistic', 'scattering amplitude', 'Klein-Gordon equation', 'electromagnetic field, external field', 'renormalization', 'perturbation theory', 'Chern-Simons term', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007080'] | ["We discuss the scattering of relativistic spin zero particles by an infinitely long and arbitrarily thin solenoid. The exact solution of the first-quantized problem can be obtained as a mimic of the nonrelativistic case, either in the original Aharonov-Bohm way or by using the Berry's magnetization scheme. The pertur... | ['2000-07-12'] |
2,945 | ['eng'] | ['Dimopoulos, P', 'Farakos, K', 'Kehagias, A A', 'Koutsoumbas, G'] | ['Lattice Evidence for Gauge Field Localization on a Brane'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 5', 'lattice field theory, action', 'coupling, anisotropy', 'space, transverse', 'Randall-Sundrum model', 'space-time, anti-de Sitter', 'critical phenomena', 'susceptibility', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007079'] | ['We examine the problem of gauge-field localization in higher-dimensional gauge theories. In particular, we study a five-dimensional U(1) by lattice techniques and we find that gauge fields can indeed be localized. Two models are considered. The first one has anisotropic couplings independent of each other and of the ... | ['2000-07-12'] |
2,946 | ['eng'] | ['Jatkar, D P', 'Mandal, G', 'Wadia, S R'] | ['Nielsen-Olesen Vortices in Noncommutative Abelian Higgs Model'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'vortex', 'flux, topological', 'Theta parameter', 'differential geometry, noncommutative', 'symmetry, left-right'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007078'] | ['We construct Nielsen-Olesen vortex solution in the noncommutative abelian Higgs model. We derive the quantized topological flux of the vortex solution. We find that the flux is integral by explicit computation in the large $\\theta$ limit as well as in the small $\\theta$ limit. In the context of a tachyon vortex on ... | ['2000-07-12'] |
2,947 | ['eng'] | ['Dorey, P', 'Pillin, M', 'Tateo, R', 'Watts, G M T'] | ['One-point functions in perturbed boundary conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Lee-Yang model', 'scaling', 'n-point function, 1', 'boundary condition', 'perturbation theory, higher-order', 'phase space, Hilbert space', 'energy, density', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007077'] | ['We consider the one-point functions of bulk and boundary fields in the scaling Lee-Yang model for various combinations of bulk and boundary perturbations. The one-point functions of the bulk fields are analysed using the truncated conformal space approach and the form-factor expansion. Good agreement is found between... | ['2000-07-12'] |
2,948 | ['eng'] | ['Lechner, K', 'Marchetti, P A'] | ['Interacting branes, dual branes, and dyonic branes'] | ['Particle Physics - Theory'] | ['membrane model, interaction', 'dyon', 'duality', 'differential forms', 'any-dimensional', 'effective action', 'potential, gauge', 'anomaly', 'boson, chiral', 'string model, heterotic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007076'] | ['This paper presents a general covariant lagrangian framework for the dynamics of a system of closed n-branes and dual (D-n-4)-branes in D dimensions, interacting with a dynamical (n+1)-form gauge potential. The framework proves sufficiently general to include also a coupling of the branes to (the bosonic sector of) a... | ['2000-07-12'] |
2,949 | ['eng'] | ['Govindarajan, S', 'Jayaraman, T', 'Sarkar, T'] | ['On D-branes from Gauged Linear $\\Sigma$ Models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory', 'dimension, 2', 'string model', 'membrane model, D-brane', 'boundary condition', 'topology', 'Landau-Ginzburg model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007075'] | ['We study both A-type and B-type D-branes in the gauged linear sigma model by considering worldsheets with boundary. The boundary conditions on the matter and vector multiplet fields are first considered in the large-volume phase/non-linear sigma model limit of the corresponding Calabi-Yau manifold, where we also find... | ['2000-07-12'] |
2,950 | ['eng'] | ['Dimakis, A', 'Müller-Hoissen, F'] | ['Noncommutative Korteweg-de-Vries Equation'] | ['Particle Physics - Theory'] | ['Korteweg-de Vries equation, soliton', 'differential geometry, noncommutative', 'quantization, deformation', 'Miura transformation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007074'] | ['We construct a deformation quantized version (ncKdV) of the KdV equation which possesses an infinite set of conserved densities. Solutions of the ncKdV are obtained from solutions of the KdV equation via a kind of Seiberg-Witten map. The ncKdV is related to a modified ncKdV equation by a noncommutative Miura transfor... | ['2000-07-12'] |
2,951 | ['eng'] | ['Kheirandish, F', 'Khorrami, M'] | ['Two-dimensional fractional supersymmetric conformal- and logarithmic conformal- field theories and the two point functions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry, transformation', 'superfield', 'fractional', 'two-point function', 'operator, algebra', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007073'] | ['A general two-dimensional fractional supersymmetric conformal field theory is investigated. The structure of the symmetries of the theory is studied. Applying the generators of the closed subalgebra generated by $(L_{-1},L_{0},G_{-1/(F+1)})$ and $(\\bar{L}_{-1},\\bar{L}_{0},\\bar{G}_{-1/(F+1)})$, the two point functi... | ['2000-07-12'] |
2,952 | ['eng'] | ['Hosono, S'] | ['Local Mirror Symmetry and Type IIA Monodromy of Calabi-Yau manifolds'] | ['Particle Physics - Theory'] | ['space-time, Calabi-Yau', 'geometry, algebra', 'symmetry, mirror', 'differential forms, symplectic', 'monodromy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007071'] | ['We propose a monodromy invariant pairing $K_{hol}(X) \\otimes H_3(X^\\vee,\\ZZ) \\to \\IQ$ for a mirror pair of Calabi-Yau manifolds, $(X,X^\\vee)$. This pairing is utilized implicitly in the previous calculations of the prepotentials for Gromov-Witten invariants. After identifying the pairing explicitly we interpret... | ['2000-07-12'] |
2,953 | ['eng'] | ['Yamaguchi, S'] | ['Gepner-Like Description of a String Theory on a Non-compact Singular Calabi-Yau Manifold'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, Calabi-Yau', 'field theory, Liouville', 'partition function', 'invariance, modular', 'geometry, algebra', 'charge, topological', 'Witten index'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007069'] | ['We investigate a Gepner-like superstring model described by a combination of multiple minimal models and an N=2 Liouville theory. This model is thought to be equivalent to the superstring theory on a singular non-compact Calabi-Yau manifold. We construct the modular invariant partition function of this model, and con... | ['2000-07-12'] |
2,954 | ['eng'] | ['Ospina-Giraldo, J F'] | ['Wess Zumino Couplings for Generalized $\\Sigma$ Orbifold Fixed-points'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'Wess-Zumino term', 'field theory, orbifold', 'differential forms, 6', 'anomaly', 'fixed point'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007068'] | ['The Wess-Zumino couplings for generalized sigma-orbifold fixed-points are presented and the generalized GS 6-form that encoding the complete sigma-standard gauge-gravitational-non standard gauge anomaly and its opposite inflow is derived.'] | ['2000-07-12'] |
2,955 | ['eng'] | ['Bachas, C P', 'Hoppe, J', 'Pioline, B'] | ["Nahm's equations, $N=1^{*}$ domain walls, and D-strings in $AdS_{5} \\times S_{5}$"] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, deformation', 'field equations, solution', 'string model, D-string', 'field theory, anti-de Sitter', 'field theory, conformal', 'mass, deformation', 'domain wall', 'moduli space', 'integrability', 'differential equations, Lax', 'Nahm equation', 'charge,... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007067'] | ["We consider the following two problems: classical domain walls in the ${\\cal N} =1^*$ mass deformation of the maximally supersymmetric Yang Mills theory, and D-strings as external magnetic sources in the context of the AdS/CFT correspondence. We show that they are both described by Nahm's equations with unconvention... | ['2000-07-12'] |
2,956 | ['eng'] | ['Bellorin, J', 'Restuccia, A'] | ['Extended Self-Dual Configurations as Stable Exact Solutions in Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'field equations, solution', 'duality', 'energy', 'operator, determinant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007066'] | ['A class of exact solutions to the Born-Infeld field equations, over manifolds of any even dimension, is constructed. They are an extension of the self-dual configurations. They are local minima of the action for riemannian base manifolds and local minima of the Hamiltonian for pseudo-riemannian ones. A general explic... | ['2000-07-12'] |
2,957 | ['eng'] | ['Goldberger, W D', 'Rothstein, I Z'] | ['Quantum Stabilization of Compactified $AdS_{5}$'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'field theory, scalar', 'membrane model', 'spontaneous compactification, anti-de Sitter', 'stability', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007065'] | ['We investigate the quantum stability of the system composed of two branes bounding a region of AdS, which has been proposed by Randall and Sundrum as a possible solution to the hierarchy problem. It is shown that as a consequence of the bulk curvature, the modulus potential generated by quantum fluctuations can natur... | ['2000-07-12'] |
2,958 | ['eng'] | ['Anchordoqui, L A', 'Núñez, C', 'Olsen, K'] | ['Quantum Cosmology and AdS/CFT'] | ['Particle Physics - Theory'] | ['quantum cosmology, wave function', 'field theory, conformal', 'space-time, anti-de Sitter', 'dimension, 3', 'membrane model', 'minisuperspace', 'Wheeler-DeWitt equation', 'WKB approximation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007064'] | ['In this paper we study the creation of brane-worlds in $AdS$ bulk. We first consider the simplest case of onebranes in $AdS_3$. In this case we are able to properly describe the creation of a spherically symmetric brane-world deriving a general expression for its wavefunction. Then, we sketch the $AdS_{d+1}$ set-up w... | ['2000-07-12'] |
2,959 | ['eng'] | ['Dick, R'] | ['Which action for brane worlds?'] | ['Particle Physics - Theory'] | ['Einstein equation', 'membrane model', 'energy-momentum', 'gravitation, action', 'electromagnetic field', 'dimension, 4', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007063'] | ["In his pioneering work on singular shells in general relativity, Lanczos had derived jump conditions across energy-momentum carrying hypersurfaces from the Einstein equation with codimension 1 sources. However, on the level of the action, the discontinuity of the connection arising from a codimension 1 energy-momentu... | ['2000-07-12'] |
2,960 | ['eng'] | ['Fukuma, M', 'Matsuura, S', 'Sakai, T'] | ['A Note on the Weyl Anomaly in the Holographic Renormalization Group'] | ['Particle Physics - Theory'] | ['space-time, any-dimensional', 'gravitation', 'dilaton', 'Hamilton-Jacobi equation, constraint', 'renormalization group, transformation', 'anomaly, Weyl', 'holography', 'field equations, solution', 'continuum limit'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007062'] | ['We give a prescription for calculating the holographic Weyl anomaly in arbitrary dimensions within the framework based on the Hamilton-Jacobi equation proposed by de Boer, Verlinde and Verlinde. A few sample calculations are made and shown to agree with the ones obtained so far. We further discuss how to take continu... | ['2000-07-10'] |
2,961 | ['eng'] | ['Arutyunov, G E', 'Pankiewicz, A', 'Theisen, Stefan J'] | ['Cubic couplings in D=6 N=4b supergravity on $AdS_{3}\\times S^{3}$'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'space-time, anti-de Sitter', 'supergravity', 'dimension, 6', 'operator, chiral', 'n-point function, 4', 'coupling', 'effective action', 'field theory, scalar', 'field theory, tensor', 'field theory, vector', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007061'] | ['We determine the AdS exchange diagrams needed for the computation of 4--point functions of chiral primary operators in the SCFT_2 dual to the D=6 N=4b supergravity on the AdS_3\\times S^3 background and compute the corresponding cubic couplings. We also address the issue of consistent truncation.'] | ['2000-07-10'] |
2,962 | ['eng'] | ['Chamblin, A', 'Karch, A', 'Nayeri, A'] | ['Thermal Equilibration of Brane-Worlds'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'astrophysics, model', 'membrane model', 'thermodynamics', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007060'] | ['We analyze the thermodynamical properties of brane-worlds, with a focus on the second model of Randall and Sundrum. We point out that during an inflationary phase on the brane, black holes can be thermally nucleated in the bulk. This leads us to ask the question: Can the black hole - brane-world system evolve towards... | ['2000-07-10'] |
2,963 | ['eng'] | ['Khelashvili, A A'] | ['Unusual Bound States in QFT Models'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion, bound state', 'quantum electrodynamics', 'Bethe-Salpeter equation, solution', 'Wick-Cutkosky model', 'ladder approximation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007059'] | ['Homogeneous Bethe-Salpeter equation for simplest Wick-Cutkosky model is studied in the case when the mass of the two-body system is more then the sum of constituent particles masses. It is shown that there is always a small attraction between the like-sigh charged particles as a pure relativistic effect. If the coupl... | ['2000-07-10'] |
2,964 | ['eng'] | ['Ferrara, Sergio', 'Sokatchev, Emery S'] | ['Conformal superfields and BPS states in $AdS_{4/7}$ geometries'] | ['Particle Physics - Theory'] | ['talk, Villa Gualino 1999/09/20', 'algebra, conformal', 'algebra, OSp(8/4,R)', 'algebra, OSp(8/N)', 'supersymmetry', 'superspace, harmonic', 'algebra, representation', 'space-time, anti-de Sitter', 'singleton', 'BPS', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007058'] | ['We carry out a general analysis of the representations of the superconformal algebras OSp(8/4,R) and OSp(8*/2N) in terms of harmonic superspace. We present a construction of their highest-weight UIR\'s by multiplication of the different types of massless conformal superfields ("supersingletons"). Particular attention... | ['2000-07-10'] |
2,965 | ['eng'] | ['Kudryavtsev, V A'] | ['Spinor representations of the Virasoro and super-Virasoro algebras for conformal spin to be equal 1/k'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'supersymmetry', 'spin, fractional', 'algebra, representation', 'spinor'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007057'] | ['It is considered here the possibility of unitary spinor representations of the Virasoro and super-Virasoro algebras for conformal spin to be equal 1/k; k are integers.'] | ['2000-07-10'] |
2,966 | ['eng'] | ['Chaudhuri, S'] | ["Confinement and the Short Type I' Flux Tube"] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'gravitation', 'field theory, scalar', 'field theory, tensor', 'soliton, massive', 'flux tube', 'quantization', 'fluctuation', 'confinement', 'duality', 'spontaneous compactification, torus'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007056'] | ["We show that the recent world-sheet analysis of the quantum fluctuations of a short flux tube in type II string theory leads to a simple and precise description of a pair of stuck D0branes in an orientifold compactification of the type I' string theory. The existence of a stable type I' flux tube of sub-string-scale ... | ['2000-07-07'] |
2,967 | ['eng'] | ['Kuroki, T', 'Rey, S J'] | ['Time-Delay at Higher Genus in High-Energy Open String Scattering'] | ['Particle Physics - Theory'] | ['string model, open', 'scattering amplitude, higher-order', 'asymptotic behavior', 'Riemann surfaces', 'time delay'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007055'] | ['We explore some aspects of causal time-delay in open string scattering studied recently by Seiberg, Susskind and Toumbas. By examining high-energy scattering amplitudes in fixed order perturbation theory, we argue that causal time-delay at $G$-th order is $1/(G+1)$ times smaller than the time-delay at tree level. We ... | ['2000-07-07'] |
2,968 | ['eng'] | ['Greenberg, O W'] | ['Theories of violation of statistics'] | ['Particle Physics - Theory'] | ['talk, Anacapri 2000/05/31', 'statistics, violation', 'parastatistics', 'quon, algebra', 'superselection rule', 'statistics, infinite', 'quon, bound state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007054'] | ['I discuss theories of violations of statistics, including intermediate statistics, parastatistics, parons, and quons. I emphasize quons, which allow small violations of statistics. I analyze the quon algebra and its representations, implications of the algebra including the observables allowed by the superselection r... | ['2000-07-07'] |
2,969 | ['eng'] | ['Giannakis, I', 'Ren, H'] | ['Recovery of the Schwarzchild Metric in Theories with Localized Gravity Beyond Linear Order'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model', 'Einstein equation, solution', 'gravitation', 'space-time, Schwarzschild', 'symmetry, axial', 'symmetry, gauge', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007053'] | ['We solve the Einstein equations in the Randall-Sundrum framework with a static, spherically symmetric matter distribution on the {\\it physical brane} and obtain an approximate expression for the gravitational field outside the source to second order in the gravitational coupling. This expression when confined on the... | ['2000-07-07'] |
2,970 | ['eng'] | ['Berman, D S', 'Sundell, P'] | ['Flowing to a noncommmutative (OM) five brane via its supergravity dual'] | ['Particle Physics - Theory'] | ['membrane model, noncommutative', 'D-brane, 5', 'supergravity', 'dimension, 11', 'duality', 'string model, open'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007052'] | ['The dual supergravity description of the flow between (2,0) five-brane theory and the noncommutative five-brane (OM) theory is examined at critical five-brane field strength. The self-duality of the field strength is shown to arise as a consequence of the supergravity solution. Open membrane solutions are examined in... | ['2000-07-07'] |
2,971 | ['eng'] | ['Kabat, D', 'Lifschytz, G', 'Lowe, D A'] | ['Black Hole Thermodynamics from Calculations in Strongly-Coupled Gauge Theory'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'dimension, 10', 'quantum mechanics, strong coupling', 'symmetry, SU(N)', 'membrane model, D-brane', 'finite temperature', 'expansion 1/N', 'duality', 'density matrix', 'gauge field theory, strong coupling', 'Dyson-Schwinger equation, gap', 'Wilson loop', 'mean field approximation', 'numerical c... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007051'] | ["We develop an approximation scheme for the quantum mechanics of N D0-branes at finite temperature in the 't Hooft large-N limit. The entropy of the quantum mechanics calculated using this approximation agrees well with the Bekenstein-Hawking entropy of a ten-dimensional non-extremal black hole with 0-brane charge. Th... | ['2000-07-07'] |
2,972 | ['eng'] | ['Bichl, Andreas A', 'Grimstrup, J M', 'Grosse, Harald', 'Popp, L', 'Schweda, Manfred', 'Wulkenhaar, R'] | ['The Superfield Formalism Applied to the Noncommutative Wess-Zumino Model'] | ['Particle Physics - Theory'] | ['Wess-Zumino model', 'supersymmetry, superfield', 'differential geometry, noncommutative', 'perturbation theory, higher-order', 'propagator', 'vertex function', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007050'] | ['We introduce the notion of superoperators on noncommutative R^4 and re-investigate in the framework of superfields the noncommutative Wess-Zumino model as a quantum field theory. In a highly efficient manner we are able to confirm'] | ['2000-07-07'] |
2,973 | ['eng'] | ['Ivanova, T A', 'Lechtenfeld, O'] | ['Hidden Symmetries of the Open N=2 String'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, signature', 'effective action', 'gauge field theory, Yang-Mills', 'duality', 'fibre bundle', 'twistor', 'cohomology, Becchi-Rouet-Stora', 'analytic properties', 'field equations, hierarchy', 'hidden symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007049'] | ['It is known for ten years that self-dual Yang-Mills theory is the effective field theory of the open N=2 string in 2+2 dimensional spacetime. We uncover an infinite set of abelian rigid string symmetries, corresponding to the symmetries and integrable hierarchy of the self-dual Yang-Mills equations. The twistor descr... | ['2000-07-07'] |
2,974 | ['eng'] | ['Pasti, P', 'Sorokin, D P', 'Tonin, M'] | ['Superembeddings, Partial Supersymmetry Breaking and Superbranes'] | ['Particle Physics - Theory'] | ['space-time, embedding', 'superspace', 'supersymmetry, symmetry breaking', 'particle, relativistic', 'membrane model', 'symmetry, spontaneously broken', 'diffeomorphism', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007048'] | ['It is advocated that the superembedding approach is a generic covariant method for the description of superbranes as models of (partial) spontaneous supersymmetry breaking. As an illustration we construct (in the framework of superembeddings) an n=1, d=3 worldvolume superfield action for a supermembrane propagating i... | ['2000-07-07'] |
2,975 | ['eng'] | ['Schücker, T'] | ['Spin group and almost commutative geometry'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'space-time, fluctuation', 'fermion', 'differential geometry, noncommutative', 'Hilbert space', 'group theory, Spin(N)', 'gauge field theory, SU(3) x SU(2) x U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007047'] | ["For Connes' spectral triples, the group of automorphisms lifted to the Hilbert space is defined and used to fluctuate the metric. A few commutative examples are presented including Chamseddine and Connes' spectral unification of gravity and electromagnetism. One almost commutative example is treated: the full standar... | ['2000-07-07'] |
2,976 | ['eng'] | ['Balog, J', 'Fehér, L', 'Palla, L'] | ['The chiral WZNW phase space as a quasi-Poisson space'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, chiral', 'operator, algebra', 'algebra, Hopf', 'algebra, deformation', 'phase space', 'monodromy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007045'] | ["It is explained that the chiral WZNW phase space is a quasi-Poisson space with respect to the `canonical' Lie quasi-bialgebra which is the classical limit of Drinfeld's quasi-Hopf deformation of the universal enveloping algebra. This exemplifies the notion of quasi-Poisson-Lie symmetry introduced recently by Alekseev... | ['2000-07-07'] |
2,977 | ['eng'] | ['Bergshoeff, E A', 'Kallosh, R', 'Van Proeyen, A'] | ['Supersymmetry in Singular Spaces'] | ['Particle Physics - Theory'] | ['space-time, singularity', 'boundary condition', 'supersymmetry, transformation', 'dimension, 5', 'dimension, 10', 'membrane model', 'energy', 'soliton, BPS', 'field theory, Calabi-Yau', 'symmetry, Z(2)', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007044'] | ['We develop the concept of supersymmetry in singular spaces, apply it in an example for 3-branes in D=5 and comment on 8-branes in D=10. The new construction has an interpretation that the brane is a sink for the flux and requires adding to the standard supergravity a (D-1)-form field and a supersymmetry singlet field... | ['2000-07-07'] |
2,978 | ['eng'] | ['Polychronakos, A P'] | ['Flux tube solutions in noncommutative gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'differential geometry, noncommutative', 'field equations, solution', 'flux tube', 'flux, quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007043'] | ['We derive nonperturbative classical solutions of noncommutative U(1) gauge theory, with or without a Higgs field, representing static magnetic flux tubes with arbitrary cross-section. The fields are nonperturbatively different from the vacuum in at least some region of space. The flux of these tubes is quantized in n... | ['2000-07-07'] |
2,979 | ['eng'] | ['Nishigaki, S M'] | ['Comment on Dirac spectral sum rules for $QCD_{3}$'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'dimension, 3', 'operator, Dirac', 'sum rule', 'sigma model, nonlinear', 'dimension, 0', 'matrix model, random'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007042'] | ['Recently Magnea [Phys.Rev.D61, 056005 (2000); Phys.Rev.D62, 016005 (2000)] claimed to have computed the first sum rules for Dirac operators in 3D gauge theories from 0D non-linear sigma models. I point out that these computations are incorrect, and that they contradict with the exact results for the spectral densitie... | ['2000-07-07'] |
2,980 | ['eng'] | ['Akhoury, R'] | ['A Variational Principle for Radial Flows in Holographic theories'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'holography', 'mathematical methods, variational', 'effective action', 'domain wall', 'Randall-Sundrum model', 'supergravity', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007041'] | ['We develop furthur the correspondence between a d+1 dimensional theory and a d dimensional one with the "radial" (d+1)th corodinate \\rho playing the role of an evolution parameter. We discuss the evolution of an effective action defined on a d dimensional surface charactarized by \\rho by means of a new variational ... | ['2000-07-07'] |
2,981 | ['eng'] | ['Jiang, J', 'Li, T', 'Marfatia, D M'] | ['Brane Networks in AdS Space'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'Einstein equation, solution', 'space-time, anti-de Sitter', 'membrane model, interaction', 'membrane, network'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007039'] | ["We present static solutions to Einstein's equations corresponding to the most general network of $N$ orthogonal families of $(2+N)$-branes in $(4+N)$-dimensional $AdS$ spacetimes. The bulk cosmological constant can take a different value in each cell enclosed by intersecting branes and the extra dimensions can be com... | ['2000-07-06'] |
2,982 | ['eng'] | ['Weinberg, Erick J'] | ['Duality and Massless Monopoles'] | ['Particle Physics - Theory'] | ['talk, Pushkin 2000/05/13', 'gauge field theory, SU(2)', 'Higgs model', 'magnetic monopole, massless', 'duality', 'gauge field theory, SO(5)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007038'] | ['Duality arguments suggest the existence of massless magnetic monopoles in gauge theories with the symmetry broken to a non-Abelian subgroup. I discuss how these arise and show how they are manifested as clouds of massless fields surrounding massive monopoles. The dynamics of these clouds is discussed, and the scatter... | ['2000-07-06'] |
2,983 | ['eng'] | ['Harvey, J A', 'Ruchayskiy, O'] | ['The Local Structure of Anomaly Inflow'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'anomaly', 'operator, Dirac', 'operator, determinant', 'partition function', 'axion, string', 'fermion, zero mode', 'gauge field theory, U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007037'] | ['Anomaly cancellation for M-theory fivebranes requires the introduction of a "bump-form" which smoothes out the five-brane source. We discuss the physical origin of this bump-form in the simpler case of axion strings in 3+1 dimensions and construct it in terms of the radial profile of the fermion zero modes. Our treat... | ['2000-07-06'] |
2,984 | ['eng'] | ['Metsaev, R R', 'Tseytlin, Arkady A'] | ['Superstring action in AdS x $S^{5}$ kappa symmetry light cone gauge'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 10', 'string model', 'supersymmetry, algebra', 'field theory, action', 'light cone gauge', 'differential forms', 'quantization', 'kappa symmetry', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007036'] | ['As part of program to quantize superstrings in AdS_5 x S^5 background in light cone approach we find the explicit form of the corresponding Green-Schwarz action in fermionic light-cone kappa-symmetry gauge. The resulting action is quadratic and quartic in fermions. In the flat space limit it reduces to the standard l... | ['2000-07-06'] |
2,985 | ['eng'] | ['Cederwall, Martin', 'Gran, U G', 'Nielsen, M', 'Nilsson, B E W'] | ['Manifestly supersymmetric M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'superspace', 'supersymmetry, transformation', 'effective action', 'supergravity', 'dimension, 11', 'torsion, constraint', 'derivative, high', 'Bianchi identity, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007035'] | ['In this paper, the low-energy effective dynamics of M-theory, eleven-dimensional supergravity, is taken off-shell in a manifestly supersymmetric formulation. We show that a previously proposed relaxation of the superspace torsion constraints does indeed accommodate a current supermultiplet which lifts the equations o... | ['2000-07-06'] |
2,986 | ['eng'] | ['Eliashvili, M', 'Tsitsishvili, G'] | ['Magnetic Instability in a Parity Invariant 2D Fermion System'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'parity, invariance', 'stability, magnetic', 'finite temperature', 'fermion, spin', 'effective action', 'current, correlation function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007034'] | ['We consider the parity invariant (2+1)-dimensional QED where the matter is represented as a mixture of fermions with opposite spins. It is argued that the perturbative ground state of the system is unstable with respect to the formation of magnetized ground state. Carrying out the finite temperature analysis we show ... | ['2000-07-06'] |
2,987 | ['eng'] | ['Eliashvili, M', 'Tsitsishvili, G'] | ['Chern-Simons Theory and Quantum Fields in the Lowest Landau Level'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'mechanics, classical', 'gauge field theory, U(1)', 'Chern-Simons term', 'energy levels'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007033'] | ["By considering the area preserving geometric transformations in the configuration space of electrons moving in the lowest Landau level (LLL) we arrive at the Chern-Simons type Lagrangian. Imposing the LLL condition, we get a scheme with the complex gauge fields and transformations. Quantum theory for the matter field... | ['2000-07-06'] |
2,988 | ['eng'] | ['Fauser, B'] | ['On the Hopf algebraic origin of Wick normal-ordering'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'Hamiltonian formalism', 'operator, algebra', 'algebra, Hopf', 'algebra, Clifford'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007032'] | ["A combinatorial formula of G.-C. Rota and J.A. Stein is taken to perform Wick re-ordering in quantum field theory. Wick's theorem becomes a Hopf algebraic identity called Cliffordization. The combinatorial method relying on Hopf algebras is highly efficient in computations and yields closed algebraic expressions. AMS... | ['2000-07-06'] |
2,989 | ['eng'] | ['Castro, A'] | ['Remarks on the existence of Spinning Membrane Actions'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, D-brane', 'spin', 'field theory, tensor', 'monopole, BPS', 'Skyrmion', 'space-time', 'supersymmetry', 'invariance, Weyl', 'symmetry breaking', 'quantization', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007031'] | ['It has been recently argued by some authors that is impossible to construct a Weyl invariant spinning membrane action, where the $S$-supersymmetry associated with the 3D superconformal algebra, is relinquished without gauge fixing. Contrary to those assertions, we show why it is possible to construct a Weyl-invariant... | ['2000-07-05'] |
2,990 | ['eng'] | ['Balachandran, A P', 'Martin, X', "O'Connor, D"] | ['Fuzzy Actions and their Continuum Limits'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion', 'action, fuzzy', 'dimension, 2', 'space, sphere', 'differential geometry, noncommutative', 'heat kernel', 'continuum limit'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007030'] | ["Previously matrix model actions for ``fuzzy'' fields have been proposed using non-commutative geometry. They retained ``topological'' properties extremely well, being capable of describing instantons, $\\theta$--states, the chiral anomaly, and even chiral fermions with no ``doubling''. Here, we demonstrate that the s... | ['2000-07-05'] |
2,991 | ['eng'] | ['Binétruy, P', 'Cline, J M', 'Grojean, C'] | ['Dynamical Instability of Brane Solutions with a Self-Tuning Cosmological Constant'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'dimension, 5', 'dimension, 4', 'Einstein equation, solution', 'astrophysics, fundamental constant', 'membrane model, stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007029'] | ["A five-dimensional solution to Einstein's equations coupled to a scalar field has been proposed as a partial solution to the cosmological constant problem: the effect of arbitrary vacuum energy (tension) of a 3-brane is cancelled; however, the scalar field becomes singular at some finite proper distance in the extra ... | ['2000-07-05'] |
2,992 | ['eng'] | ['Abdalla, Elcio', 'Correa-Borbonet, L A'] | ['Holography in an Early Universe with Asymmetric Inflation'] | ['Particle Physics - Theory'] | ['inflationary universe', 'dimension, >4', 'holography', 'hierarchy', 'spontaneous compactification', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007028'] | ['We discuss the validity of the holographic principle in a $(4+n)$ dimensional universe in an asymmetric inflationary phase.'] | ['2000-07-05'] |
2,993 | ['eng'] | ['Baulieu, L'] | ['A Curious Relation Between Gravity and Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'gravitation', 'any-dimensional', 'gauge field theory, SO(N,1)', 'gauge field theory, SO(N,2)', 'supersymmetry', 'group theory, Poincare', 'renormalization group', 'field theory, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007027'] | ['We find that Euclidian or Minkowski gravity in d dimensions can be formally expressed as the restriction to a slice of a supersymmetric Yang-Mills theory in d+1 dimensions with SO(d+1), SO(d,1) or SO(d-1,2) internal symmetry. We suggest that renormalization effects in the bulk imply a contraction of the latter symmet... | ['2000-07-05'] |
2,994 | ['eng'] | ['Lee, J C'] | ['T-dual R-R zero-norm states, D-branes and S-duality of type II string theory'] | ['Particle Physics - Theory'] | ['string model, open', 'supersymmetry', 'phase space', 'transformation, gauge', 'T-duality', 'dilaton', 'axion', 'membrane model, D-brane', 'S-duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007026'] | ['We calculate the R-R zero-norm states of type II string spectrum. To fit these states into the right symmetry charge parameters of the gauge transformations of the R-R tensor forms, one is forced to T-dualize some type I open string space-time coordinates and thus to introduce D-branes into the theory. We also demons... | ['2000-07-05'] |
2,995 | ['eng'] | ['Flachi, A', 'Toms, David J'] | ['Higgs mechanism in the Randall-Sundrum model'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 5', 'dimensional reduction', 'dimension, 4', 'field theory, scalar', 'Kaluza-Klein model', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007025'] | ['We consider the dimensional reduction of a bulk scalar field in the Randall-Sundrum model. By allowing the scalar field to be non-minimally coupled to the spacetime curvature we show that it is possible to generate spontaneous symmetry breaking on the brane.'] | ['2000-07-05'] |
2,996 | ['eng'] | ['Blumenhagen, R', 'Görlich, L', 'Körs, B', 'Lüst, Dieter'] | ['Noncommutative Compactifications of Type I Strings on Tori with Magnetic Background Flux'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'spontaneous compactification, torus', 'dimension, 6', 'dimension, 4', 'differential geometry, noncommutative', 'background field', 'flux, magnetic', 'Kaluza-Klein model', 'grand unified theory', 'particle, multiplet', 'group theory, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007024'] | ['We construct six- and four-dimensional toroidal compactifications of the Type I string with magnetic flux on the D-branes. The open strings in this background probe a noncommutative internal geometry. Phenomenologically appealing features such as chiral fermions and supersymmetry breaking in the gauge sector are natu... | ['2000-07-05'] |
2,997 | ['eng'] | ['Fatollahi, A H'] | ['Gauge Symmetry As Symmetry Of Matrix Coordinates'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'space-time, model', 'differential geometry, noncommutative', 'lattice field theory', 'approximation, strong coupling', 'expansion 1/N', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007023'] | ['We propose a new point of view to gauge theories based on taking the action of symmetry transformations directly on the coordinates of space. Via this approach the gauge fields are not introduced at the first step, and they can be interpreted as fluctuations around some classical solutions of the model. The new point... | ['2000-07-05'] |
2,998 | ['eng'] | ['Nishimura, J', 'Vernizzi, G'] | ['Brane world from IIB matrices'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'dimension, 6', 'effective action', 'membrane model', 'gauge field theory, Yang-Mills', 'matrix model', 'space-time, model', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007022'] | ['We have proposed recently a dynamical mechanism that may realize a flat four-dimensional space time as a brane in type IIB superstring theory. A crucial role is played by the phase of the chiral fermion integral associated with the IKKT Matrix Theory, which is conjectured to be a nonperturbative definition of type II... | ['2000-07-05'] |
2,999 | ['eng'] | ['Ali, A'] | ['Conformal symmetry of superstrings on $AdS_{3}\\times S^{3}\\times T^{4}$ and D1/D5 system'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'p-brane, 1', 'field theory, conformal', 'dimension, 2', 'string model', 'supersymmetry', 'two-point function', 'operator product expansion', 'operator, algebra', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007021'] | ['Conformal field theory of the D1/D5 system and superstrings on $AdS_3\\times S^3\\times T^4$ is studied with particular attention to the world-sheet fields corresponding to the $T^4$ part. A solution to the spacetime N=4 superconformal symmetry doubling and other problems is proposed. It is argued that the relevant s... | ['2000-07-05'] |
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