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 |
|---|---|---|---|---|---|---|---|---|
2,700 | ['eng'] | ['Su, W C'] | ['Abelian Decomposition of SO(2N) Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'algebra, Lie', 'operator, algebra', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008093'] | ['Faddeev and Niemi have proposed a decomposition of SU(N) Yang-Mills theory in terms of new variables, appropriate for describing the theory in the infrared limit. We extend this method to SO(2N) Yang-Mills theory. We find that the SO(2N) connection decomposes according to irreducible representations of SO(N). The low... | ['2000-08-14'] |
2,701 | ['eng'] | ['Lee, K', 'Tong, D', 'Yi, S'] | ['The moduli space of two U(1) instantons on noncommutative $R^{4}$ and $R^{3}\\times S ^{1}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'differential geometry, noncommutative', 'space, circle', 'instanton', 'moduli space', 'geometry', 'bound state', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008092'] | ['We employ the ADHM method to derive the moduli space of two instantons in U(1) gauge theory on a noncommutative space. We show by an explicit hyperK\\"ahler quotient construction that the relative metric of the moduli space of two instantons on $R^4$ is the Eguchi-Hanson metric and find a unique threshold bound state... | ['2000-08-14'] |
2,702 | ['eng'] | ['Das-Gupta, K', 'Hyun, S', 'Oh, K', 'Tatar, R'] | ['Conifolds with Discrete Torsion and Noncommutativity'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'gauge field theory', 'supersymmetry', 'orbifold', 'conifold', 'torsion, discrete', 'string model, open', 'potential, superpotential', 'moduli space', 'differential geometry, noncommutative', 'field theory, anti-de Sitter', 'field theory, conformal', 'supergravity'... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008091'] | ['We study D3 branes at orbifolded conifold singularities in the presence of discrete torsion. The vacuum moduli space of open strings becomes non-commutative due to a deformation of the superpotential and is studied via the representation theory of the moduli algebra. It is also shown that the center of the moduli alg... | ['2000-08-14'] |
2,703 | ['eng'] | ['Chepelev, I', 'Roiban, R'] | ['Convergence Theorem for Non-commutative Feynman Graphs and Renormalization'] | ['Particle Physics - Theory'] | ['Wess-Zumino model', 'gauge field theory, Yang-Mills', 'supersymmetry', 'differential geometry, noncommutative', 'Feynman graph, higher-order', 'field theory, Euclidean', 'field theory, scalar', 'asymptotic behavior', 'homology', 'mathematical methods', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008090'] | ['We present a rigorous proof of the convergence theorem for the Feynman graphs in arbitrary massive Euclidean quantum field theories on non-commutative R^d (NQFT). We give a detailed classification of divergent graphs in some massive NQFT and demonstrate the renormalizability of some of these theories.'] | ['2000-08-14'] |
2,704 | ['eng'] | ['Moffat, J W'] | ['Perturbative Noncommutative Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'differential geometry, noncommutative', 'field theory, action', 'propagator', 'perturbation theory, higher-order', 'nonperturbative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008089'] | ['We study perturbative noncommutative quantum gravity by expanding the gravitational field about a fixed classical background. A calculation of the one loop gravitational self-energy graph reveals that only the non-planar graviton loops are damped by oscillating internal momentum dependent factors. The noncommutative ... | ['2000-08-11'] |
2,705 | ['eng'] | ['Das, S R', 'Jevicki, A', 'Mathur, S D'] | ['Giant Gravitons, BPS bounds and Noncommutativity'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'membrane model', 'soliton, BPS', 'vacuum state', 'tunneling', 'graviton', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008088'] | ["It has been recently suggested that gravitons moving in $AdS_m \\times S^n$ spacetimes along the $S^n$ blow up into spherical $(n-2)$ branes whose radius increases with increasing angular momentum. This leads to an upper bound on the angular momentum, thus ``explaining'' the stringy exclusion principle. We show that ... | ['2000-08-11'] |
2,706 | ['eng'] | ['Randjbar-Daemi, S', 'Shaposhnikov, M E'] | ['On some new warped brane world solutions in higher dimensions'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, Yang-Mills', 'dimension, >4', 'Einstein equation, solution', 'astrophysics, fundamental constant', 'membrane model', 'topology', 'fermion, chiral', 'instanton, background'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008087'] | ["We present new solutions of higher dimensional Einstein's equations with a cosmological constant that localize gravity on branes which are transverse to Ricci-flat manifolds or to homogeneous spaces with topologically non-trivial solutions of gauge field equations. These solutions are relevant for the localization of... | ['2000-08-11'] |
2,707 | ['eng'] | ['Toublan, D', 'Verbaarschot, J J M'] | ['Dirac Spectrum in Adjoint QCD'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/05/12', 'operator, Dirac', 'operator, spectra', 'quantum chromodynamics', 'fermion, representation', 'condensation, chiral', 'susceptibility, scalar', 'effective Lagrangian, chiral', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008086'] | ['In this lecture we discuss some exact results for the low-lying spectrum of the Dirac operator in adjoint QCD. In particular, we find an analytical expression for the slope of the average spectral density. These results are obtained by means of a generating function which is an extension of the QCD partition function... | ['2000-08-11'] |
2,708 | ['eng'] | ['Cadoni, M', 'Cavaglià, M'] | ['Open strings, 2D gravity and AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['string model, open', 'gravitation, dilaton', 'space-time, anti-de Sitter', 'dimension, 2', 'duality', 'field theory, conformal', 'black hole', 'sigma model, nonlinear', 'boundary condition', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008084'] | ['We present a detailed discussion of the duality between dilaton gravity on AdS_2 and open strings. The correspondence between the two theories is established using their symmetries and field theoretical, thermodynamic, and statistical arguments. We use the dual conformal field theory to describe two-dimensional black... | ['2000-08-11'] |
2,709 | ['eng'] | ['Nam, S'] | ['Casimir Force in Compact Noncommutative Extra Dimensions and Radius Stabilization'] | ['Particle Physics - Theory'] | ['energy, Casimir', 'field theory, scalar', 'torus, noncommutative', 'Kaluza-Klein model', 'space-time, higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008083'] | ['We compute the one loop Casimir energy of an interacting scalar field in a compact noncommutative space of $R^{1,d}\\times T^2_\\theta$, where we have ordinary flat $1+d$ dimensional Minkowski space and two dimensional noncommuative torus. We find that next order correction due to the noncommutativity still contribut... | ['2000-08-10'] |
2,710 | ['eng'] | ['Schwimmer, A', 'Theisen, Stefan J'] | ['Diffeomorphisms, Anomalies and the Fefferman-Graham Ambiguity'] | ['Particle Physics - Theory'] | ['anomaly, Weyl', 'regularization, dimensional', 'cohomology', 'transformation, diffeomorphism', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008082'] | ['Using the Weyl transfomations induced by diffeomorphisms we set up a cohomological problem for the Fefferman-Graham coefficients. The cohomologically nontrivial solutions remove the ambiguity and give the nonlocal terms in the effective action responsible for the trace anomalies.'] | ['2000-08-10'] |
2,711 | ['eng'] | ['Evans, N', 'Johnson, C V', 'Petrini, M'] | ['The Enhancon and N=2 Gauge Theory/Gravity RG Flows'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'gauge field theory, SU(N)', 'supersymmetry', 'postulated particle, enhancon', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'renormalization group, transformation', 'perturbation theory, higher-order', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008081'] | ["We study the family of ten dimensional type IIB supergravity solutions corresponding to renormalisation group flows from N=4 to N=2 supersymmetric Yang-Mills theory. Part of the solution set corresponds to a submanifold of the Coulomb branch of the gauge theory, and we use a D3-brane probe to uncover details of this ... | ['2000-08-10'] |
2,712 | ['eng'] | ['Greensite, J', 'Olesen, P'] | ['Broadening of the QCD3 flux tube from the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'flux tube', 'critical phenomena', 'Wilson loop', 'correlation function', 'finite temperature', 'field equations', 'analytic properties', 'approximation, quasiclassical', 'approximation, strong coupling', 'supergravity', 'saddle-point approximation', 'dimensio... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008080'] | ['We use the finite temperature AdS/CFT approach to demonstrate logarithmic broadening of the confining QCD3 flux tube as a function of quark separation. This behavior indicates that, unlike lattice QCD, there is no roughening transition in the AdS/CFT formulation, which raises the interesting possibility of extrapolat... | ['2000-08-10'] |
2,713 | ['eng'] | ['Randjbar-Daemi, S', 'Shaposhnikov, M E'] | ['Fermion zero-modes on brane-worlds'] | ['Particle Physics - Theory'] | ['membrane model', 'gravitation, background field', 'gauge field theory, background field', 'fermion, chiral', 'field theory, scalar', 'coupling, Yukawa', 'fermion, zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008079'] | ['We study localization of bulk fermions on a brane with inclusion of Yang-Mills and scalar backgrounds in higher dimensions and give the conditions under which localized chiral fermions can be obtained.'] | ['2000-08-10'] |
2,714 | ['eng'] | ['Karanikas, A I', 'Ktorides, C N'] | ["Polyakov's spin factor and new algorithms for efficient perturbative computations in QCD"] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion', 'path integral', 'perturbation theory, higher-order', 'Wilson loop', 'correlation function', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008078'] | ["Polyakov's spin factor enters as a weight in the path-integral description of particle-like modes propagating in Euclidean space-times, accounting for particle spin. The Fock-Feynman-Schwinger path integral applied to QCD accomodates Polyakov's spin factor in a natural manner while, at the same time, it identifies Wi... | ['2000-08-10'] |
2,715 | ['eng'] | ['Majumdar, P', 'Sharatchandra, H S'] | ['3+1 dimensional Yang-Mills theory as a local theory of evolution of metrics on 3 manifolds'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'path integral, Euclidean', 'field theory, transformation', 'Hamiltonian formalism', 'constraint', 'space-time', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008077'] | ['An explicit canonical transformation is constructed to relate the physical subspace of Yang-Mills theory to the phase space of the ADM variables of general relativity. This maps 3+1 dimensional Yang-Mills theory to local evolution of metrics on 3 manifolds.'] | ['2000-08-10'] |
2,716 | ['eng'] | ['Buchel, A S', 'Peet, A W', 'Polchinski, Joseph'] | ['Gauge Dual and Noncommutative Extension of an N=2 Supergravity Solution'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, SU(N)', 'field equations, solution', 'symmetry breaking', 'duality', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008076'] | ['We investigate some properties of a recent supergravity solution of Pilch and Warner, which is dual to the N=4 gauge theory softly broken to N=2. We verify that a D3-brane probe has the expected moduli space and its effective action can be brought to N=2 form. The kinetic term for the probe vanishes on an enhancon lo... | ['2000-08-10'] |
2,717 | ['eng'] | ['Gross, David J', 'Hashimoto, A', 'Itzhaki, N'] | ['Observables of Non-Commutative Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'operator, algebra', 'correlation function', 'invariance, gauge', 'Wilson loop', 'n-point function', 'two-point function', 'supergravity', 'duality', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008075', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We construct gauge invariant operators in non-commutative gauge theories which in the IR reduce to the usual operators of ordinary field theories (e.g. Tr F^2). We show that in the deep UV the two-point functions of these operators admit a universal exponential behavior which fit neatly with the dual supergravity res... | ['2000-08-09'] |
2,718 | ['eng'] | ['Mavromatos, Nikolaos E', 'Rizos, J'] | ['String-Inspired Higher-Curvature Terms and the Randall-Sundrum Scenario'] | ['Particle Physics - Theory'] | ['string model', 'scattering amplitude', 'effective action', 'transformation, conformal', 'Randall-Sundrum model', 'dimension, 5', 'field equations, solution', 'boundary condition', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008074'] | ["We consider the O(a') string effective action, with Gauss-Bonnet curvature-squared and forth-order dilaton-derivative terms, which is derived by a matching procedure with string amplitudes in five space-time dimensions. We show that a non-factorizable metric of the Randall-Sundrum (RS) type, with four-dimensional con... | ['2000-08-09'] |
2,719 | ['eng'] | ['Sahakian, V V'] | ['The phases of 2D NCOS'] | ['Particle Physics - Theory'] | ['string model, open', 'dimension, 2', 'space, circle', 'differential geometry, noncommutative', 'finite temperature', 'critical phenomena', 'perturbation theory, higher-order', 'approximation, strong coupling', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008073'] | ['We study the phases of the 1+1 dimensional Non-Commutative Open String theory on a circle. We find that the length scale of non-commutativity increases at strong coupling, the coupling in turn being dressed by a power of D-string charge. The system is stringy at around this length scale, with dynamics involving an in... | ['2000-08-09'] |
2,720 | ['eng'] | ['Oeckl, R'] | ['The Quantum Geometry of Spin and Statistics'] | ['Particle Physics - Theory'] | ['spin, statistics', 'group theory, representation', 'braid group', 'quantum group', 'anyon', 'quon', 'boson, path integral', 'fermion, path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008072'] | ['Both, spin and statistics of a quantum system can be seen to arise from underlying (quantum) group symmetries. We show that the spin-statistics theorem is equivalent to a unification of these symmetries. Besides covering the Bose-Fermi case we classify the corresponding possibilities for anyonic spin and statistics. ... | ['2000-08-09'] |
2,721 | ['eng'] | ['Mattsson, P', 'Dorey, P'] | ['Boundary spectrum in the sine-Gordon model with Dirichlet boundary conditions'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'bound state, spectra', 'boundary condition', 'bootstrap', 'scattering amplitude, analytic properties', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008071'] | ['We find the spectrum of boundary bound states for the sine-Gordon model with Dirichlet boundary conditions, closing the bootstrap and providing a complete description of all the poles in the boundary reflection factors. The boundary Coleman-Thun mechanism plays an important role in the analysis. Two basic lemmas are ... | ['2000-08-09'] |
2,722 | ['eng'] | ['Neto, J A', 'Neves, C', 'Oliveira, W'] | ['Gauging the SU(2) Skyrme model'] | ['Particle Physics - Theory'] | ['Skyrme model', 'gauge field theory', 'quantization, constraint', 'energy spectrum', 'gauge, symplectic', 'phase space', 'hidden symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008070'] | ['In this paper the SU(2) Skyrme model is reformulated as a gauge theory. It is done following two different approaches: the unfixing Hamiltonian gauge formalism and a new scheme of gauge Lagrangian reformulation. In the former, the reduced Skyrme model is expressed as a gauge theory without Wess-Zumino(WZ) variables. ... | ['2000-08-09'] |
2,723 | ['eng'] | ['Jones, H F', 'Parkin, P', 'Winder, D'] | ['Quantum Dynamics of the Slow Rollover Transition in the Linear Delta Expansion'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'delta expansion, linear', 'wave function', 'perturbation theory', 'numerical calculations, variational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008069'] | ['We apply the linear delta expansion to the quantum mechanical version of the slow rollover transition which is an important feature of inflationary models of the early universe. The method, which goes beyond the Gaussian approximation, gives results which stay close to the exact solution for longer than previous meth... | ['2000-08-09'] |
2,724 | ['eng'] | ['Kirschner, R', 'Savvidy, G K'] | ['Electromagnetic scattering on extraterrestrial D3-brane spikes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'Born-Infeld model', 'field equations, soliton', 'electromagnetic field, plane wave', 'partial wave', 'scattering'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008068'] | ["We consider scattering of electromagnetic plane waves on a D3-brane spike which emanates normal to D3-barne in the extra space direction. Previous studies show that this D3-brane spike soliton of the Dirac-Born-Infeld Lagrangian can be interpreted as a F/D-string attached to a D3-brane and that Polchinski's open stri... | ['2000-08-09'] |
2,725 | ['eng'] | ['Alimohammadi, M', 'Khorrami, M'] | ['On the phase structure of two-dimensional generalized Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 2', 'partition function', 'critical phenomena', 'phi**n model, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008067'] | ['The phase structure of the generalized Yang--Mills theories is studied, and it is shown that {\\it almost} always, it is of the third order. As a specific example, it is shown that all of the models with the interaction $\\sum_j (n_j-j+N)^{2k}$ exhibit third order phase transition. ($n_j$ is the length of the $j$-th ... | ['2000-08-09'] |
2,726 | ['eng'] | ['Ahn, C', 'Paeng, J'] | ['Three-Dimensional SCFTs, Supersymmetric Domain Wall and Renormalization Group Flow'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'vacuum state', 'potential', 'gauge field theory, SU(3) x U(1)', 'boundary condition', 'field theory, conformal', 'dimension, 3', 'domain wall', 'renormalization group, transformation', 'renormalization group, fixed point', 'group theory, exceptional', 'numerical calculati... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008065'] | ["By analyzing SU(3)xU(1) invariant stationary point, studied earlier by Nicolai and Warner, of gauged N=8 supergravity, we find that the deformation of S^7 gives rise to nontrivial renormalization group flow in a three-dimensional boundary super conformal field theory from N=8, SO(8) invariant UV fixed point to N=2, S... | ['2000-08-09'] |
2,727 | ['eng'] | ['Harvey, J A', 'Kraus, P', 'Larsen, F'] | ['Tensionless Branes and Discrete Gauge Symmetry'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'soliton', 'symmetry, gauge', 'symmetry, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008064'] | ['We show that the tensionless branes found recently on non-BPS D-branes using non-commutative field theory are in fact gauge equivalent to the vacuum under a discrete gauge symmetry. We also give a simple construction of the D(2p)-branes in IIA theory starting from a single non-BPS D9-brane.'] | ['2000-08-08'] |
2,728 | ['eng'] | ['Günaydin, M', 'Koepsell, K', 'Nicolai, Hermann C'] | ['Conformal and Quasiconformal Realizations of Exceptional Lie Groups'] | ['Particle Physics - Theory'] | ['group theory, exceptional', 'group theory, representation', 'nonlinear', 'supergravity', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008063'] | ["We present a nonlinear realization of E_8 on a space of 57 dimensions, which is quasiconformal in the sense that it leaves invariant a suitably defined ``light cone'' in 57 dimensions. This realization, which is related to the Freudenthal triple system associated with the unique exceptional Jordan algebra over the sp... | ['2000-08-08'] |
2,729 | ['eng'] | ['Bossard, A', 'Mohammedi, N'] | ['Non-Abelian Duality in the String Effective Action'] | ['Particle Physics - Theory'] | ['string model, boson', 'effective action', 'perturbation theory, higher-order', 'duality, nonabelian', 'duality, transformation', 'anomaly, Weyl', 'sigma model, nonlinear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008062'] | ['We study the symmetry of the one loop effective action of bosonic string theory under non-Abelian T-duality transformations. It is shown that the original Lagrangian and its dual are proportionnal. As a direct consequence the corresponding reduced low energy effective actions are equivalent. This permits the determin... | ['2000-08-08'] |
2,730 | ['eng'] | ['Cognola, G', 'Zerbini, S'] | ['On the Dimensional Reduction Procedure'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'field theory, Euclidean', 'dimension, >4', 'dimensional reduction', 'regularization, heat kernel', 'differential geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008061'] | ['The issue related to the so-called dimensional reduction procedure is revisited within the Euclidean formalism. First, it is shown that for symmetric spaces, the local exact heat-kernel density is equal to the reduced one, once the harmonic sum has been succesfully performed. In the general case, due to the impossibi... | ['2000-08-08'] |
2,731 | ['eng'] | ['Iengo, R', 'Kalkkinen, J'] | ['Decay Modes of Highly Excited String States and Kerr Black Holes'] | ['Particle Physics - Theory'] | ['string model', 'excited state, mass spectrum', 'excited state, lifetime', 'string, decay modes', 'black hole, Kerr', 'scattering amplitude, (4graviton)', 'saddle-point approximation', 'invariance, modular'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008060'] | ['We consider four-graviton scattering in Type II string theory on one-loop level in the large centre of mass energy M^2 limit. We extract from it an explicit integral expression for the full string theory corrections to the imaginary part of the mass-shift and the lifetime of a massive state with the highest allowed s... | ['2000-08-08'] |
2,732 | ['eng'] | ['De Francia, M', 'Kirsten, K', 'Dowker, John S'] | ['Effective actions on squashed lens spaces'] | ['Particle Physics - Theory'] | ['space-time, lens', 'effective action', 'string model', 'holography', 'finite temperature', 'regularization, zeta function', 'spinor', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008059'] | ['As a technical exercise with possible relevance to the holographic principle and string theory, the effective actions (functional determinants) for scalars and spinors on the squashed three-sphere identified under the action of a cyclic group, Z_m, are determined. Especially in the extreme oblate squashing limit, whi... | ['2000-08-08'] |
2,733 | ['eng'] | ['Caldarelli, M', 'Catelani, G', 'Vanzo, L'] | ['Action, Hamiltonian and CFT for 2D black holes'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, conformal', 'dimension, 2', 'black hole', 'field theory, action', 'Hamiltonian formalism', 'field equations, solution', 'boundary condition', 'thermodynamics', 'temperature, Hawking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008058'] | ['The boundary terms in the Hamiltonian, in the presence of horizons, are carefully analyzed in a simple 2D theory admitting AdS black holes. The agreement between the euclidean approach and Cardy\'s formula is obtained modulo certain assumptions on the spectrum of the Virasoro\'s algebra. There is no discrepancy facto... | ['2000-08-08'] |
2,734 | ['eng'] | ['Castro, C', 'El-Naschie, M S', 'Mahecha, J'] | ['On plausible violations of the Riemann conjecture due to fractal p-branes in Cantorian-Fractal Spacetime'] | ['Particle Physics - Theory'] | ['string model', 'fractals', 'Riemann surfaces', 'index theorem', 'membrane model, p-brane', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008056'] | ['It is explicitly shown using a Mathematica package that non-trivial complex zeroes of the Riemann zeta function may exist which {\\bf do not} lie in the critical line: $ Re ~ s = 1/2$. The generation of the location of these plausible zeroes, that may violate the Riemann conjecture, is based on the study of fractal s... | ['2000-08-08'] |
2,735 | ['eng'] | ['Oda, I'] | ['Reissner-Nordstrom Black Hole in Gravity Localized Models'] | ['Particle Physics - Theory'] | ['black hole, Reissner-Nordstroem', 'membrane model', 'Randall-Sundrum model', 'dimension, 5', 'domain wall', 'defect, topological', 'gauge field theory, U(1)', 'tensor, energy-momentum', 'Einstein equation', 'charge, electric'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008055'] | ['We investigate the possibility of having the electrically charged Reissner-Nordstrom black hole in the gravity localized models in a brane world. It is shown that the Reissner-Nordstrom black hole exists as a solution in the 5D Randall-Sundrum domain wall model if there is the U(1) bulk gauge field. We find that the ... | ['2000-08-08'] |
2,736 | ['eng'] | ['Dvali, G', 'Gabadadze, Gregory T'] | ['Gravity on a Brane in Infinite-Volume Extra Space'] | ['Particle Physics - Theory'] | ['gravitation, tensor', 'membrane model', 'space-time, higher-dimensional', 'graviton, propagator', 'space-time, transparency', 'mass, hierarchy', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008054'] | ["We generalize the mechanism proposed in [hep-th/0005016] and show that a four-dimensional relativistic tensor theory of gravitation can be obtained on a brane in flat infinite-volume extra space. In particular, we demonstrate that the induced Ricci scalar gives rise to Einstein's gravity on a delta-function type bran... | ['2000-08-08'] |
2,737 | ['eng'] | ['De Mello-Koch, R', 'Rodrigues, J P'] | ['Lumps in level truncated open string field theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'field theory, string', 'string, open', 'boson, string', 'operator, Becchi-Rouet-Stora', 'vertex function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008053'] | ['The ratios of the masses of D(p-d) branes to the masses of Dp in open bosonic string field theory are computed within the modified level truncation approximation of Moeller, Sen and Zweibach. At the lowest non-trivial truncation requiring the addition of new primary states, we find evidence of rapid convergence to th... | ['2000-08-08'] |
2,738 | ['eng'] | ['Gibbons, G W', 'Herdeiro, C A R'] | ['Born-Infeld Theory and Stringy Causality'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'space-time', 'string model', 'causality', 'black hole', 'Kaluza-Klein model', 'electromagnetic field, nonlinear', 'fluctuation, scalar', 'fluctuation, spinor', 'unified field theory', 'shock waves', 'BIon', 'Gauss-Bonnet term', 'gravitation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008052'] | ['Fluctuations around a non-trivial solution of Born-Infeld theory have a limiting speed given not by the Einstein metric but the Boillat metric. The Boillat metric is S-duality invariant and conformal to the open string metric. It also governs the propagation of scalars and spinors in Born-Infeld theory. We discuss th... | ['2000-08-08'] |
2,739 | ['eng'] | ['Birmingham, Daniel', 'Sen, S'] | ['An Exact Black Hole Entropy Bound'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'field theory, conformal', 'Rademacher expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008051'] | ['We show that a Rademacher expansion can be used to establish an exact bound for the entropy of black holes within a conformal field theory framework. This convergent expansion includes all subleading corrections to the Bekenstein-Hawking term.'] | ['2000-08-08'] |
2,740 | ['eng'] | ['Lu, H', 'Pope, C N'] | ['Branes on the Brane'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model, p-brane', 'p-brane, 3', 'supergravity', 'gauge field theory, U(1)', 'Kaluza-Klein model', 'dimension, >4', 'soliton, BPS', 'black hole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008050'] | ["We show that four-dimensional N=2 ungauged Einstein-Maxwell supergravity can be embedded on the Randall-Sundrum 3-brane, as a consistent Kaluza-Klein reduction of five-dimensional N=4 gauged supergravity. In particular, this allows us to describe four-dimensional Reissner-Nordstrom black holes within the Randall-Sund... | ['2000-08-08'] |
2,741 | ['eng'] | ['Leal, L C'] | ['Maxwell Chern Simons Theory in a Geometric Representation'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'loop space', 'field theory, scalar', 'field theory, massless', 'Schroedinger equation', 'anyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008049'] | ['We quantize the Maxwell Chern Simons theory in a geometric representation that generalizes the Abelian Loop Representation of Maxwell theory. We find that in the physical sector, the model can be seen as the theory of a massles scalar field with a topological interaction that enforces the wave functional to be multiv... | ['2000-08-07'] |
2,742 | ['eng'] | ['Howe, Paul S'] | ['Aspects of the D=6, (2,0) Tensor Multiplet'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'dimension, 6', 'supersymmetry, superfield', 'superspace, harmonic', 'transformation, conformal', 'correlation function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008048'] | ['Some aspects of the $D=6, (2,0)$ tensor multiplet are discussed. Its formulation as an analytic superfield on a suitably defined superspace and its superconformal properties are reviewed. Powers of the field strength superfield define a series of superconformal fields which correspond to the KK multiplets of D=11 sup... | ['2000-08-07'] |
2,743 | ['eng'] | ['Heslop, P J', 'Howe, Paul S'] | ['Chiral Superfields in IIB Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'field theory, anti-de Sitter', 'dimension, 10', 'supersymmetry', 'superfield, chiral', 'expansion, harmonic', 'constraint, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008047'] | ['The field strength superfield of IIB supergravity on $AdS_5\\xz S^5$ is expanded in harmonics on $S^5$ with coefficients which are $D=5, N=8$ chiral superfields. On the boundary of $AdS_5$ these superfields map to $D=4,N=4$ chiral superfields and both sets of superfields obey additional fourth-order constraints. The ... | ['2000-08-07'] |
2,744 | ['eng'] | ['Periwal, V'] | ['Deformation quantization as the origin of D-brane non-Abelian degrees of freedom'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'quantization, deformation', 'fibre bundle', 'differential geometry, symplectic', 'homology', 'expansion 1/N', 'K-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008046'] | ['I construct a map from the Grothendieck group of coherent sheaves to $K$-homology. This results in explicit realizations of $K$-homology cycles associated with D-brane configurations. Non-Abelian degrees of freedom arise in this framework from the deformation quantization of $N$-tuple cycles. The large $N$ limit of t... | ['2000-08-07'] |
2,745 | ['eng'] | ['Bastianelli, F', 'Corradini, O', 'van Nieuwenhuizen, P'] | ['Dimensional regularization of nonlinear $\\sigma$ models on a finite time interval'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 1', 'regularization, dimensional', 'energy, vacuum state', 'perturbation theory, higher-order', 'higher-order, 2', 'time, boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008045'] | ["We extend dimensional regularization to the case of compact spaces. Contrary to previous regularization schemes employed for nonlinear sigma models on a finite time interval (``quantum mechanical path integrals in curved space'') dimensional regularization requires only a covariant finite two-loop counterterm. This c... | ['2000-08-07'] |
2,746 | ['eng'] | ['Castro-Alvaredo, O A', 'Fring, A'] | ['Identifying the Operator Content, the Homogeneous Sine-Gordon models'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'symmetry, SU(3)', 'n-point function', 'form factor', 'operator, algebra', 'expansion, cluster', 'tensor, energy-momentum', 'sum rule', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008044'] | ['We address the general question of how to reconstruct the field content of a quantum field theory from a given scattering theory in the context of the form factor program. For the SU(3)_2-homogeneous Sine-Gordon model we construct systematically all n-particle form factors in terms of general determinant formulae. We... | ['2000-08-07'] |
2,747 | ['eng'] | ['Smailagic, A', 'Spallucci, E'] | ['Wess-Zumino terms and Duality'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Wess-Zumino term', 'anomaly', 'effective action', 'any-dimensional', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008043'] | ['We show the equivalence between Stuckelberg and Wess-Zumino methods of restoration of gauge symmetries of the anomalous, Abelian, effective action, in arbitrary even dimensions D=2k. We present dual version of Wess-Zumino terms with the compensating field described by a Kalb-Ramond like p=2k-2 form.'] | ['2000-08-07'] |
2,748 | ['eng'] | ['Das, S', 'Rey, S J'] | ['Open Wilson Lines in Noncommutative Gauge Theory and Tomography of Holographic Dual Supergravity'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'differential geometry, noncommutative', 'Wilson loop, open', 'operator, composite', 'duality', 'supergravity', 'holography', 'dimension, 4', 'dimension, 5', 'field theory, anti-de Sitter', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008042'] | ['We study the issue of gauge-invariant observables in d=4, N=4 noncommutative gauge theory and UV-IR relation therein. We show that open Wilson lines form a complete set of gauge invariant operators, which are local in momentum space and, depending on their size, exhibit two distinct behaviors of the UV-IR relation. W... | ['2000-08-04'] |
2,749 | ['eng'] | ['Kakushadze, Z'] | ['Conformal Brane World and Cosmological Constant'] | ['Particle Physics - Theory'] | ['membrane model', 'astrophysics, fundamental constant', 'domain wall', 'invariance, conformal', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008041'] | ['We consider a recently proposed setup where a codimension one brane is embedded in the background of a smooth domain wall interpolating between AdS and Minkowski minima. Since the volume of the transverse dimension is infinite, bulk supersymmetry is intact even if brane supersymmetry is completely broken. On the othe... | ['2000-08-04'] |
2,750 | ['eng'] | ['McCartor, G'] | ['Chiral Symmetry in the Light-Cone Representation $(M_{pi}^{2}\\sim\\mu_{q}<\\Omega|\\overline{\\psi}\\psi|\\Omega>+...)$'] | ['Particle Physics - Theory'] | ['symmetry breaking, chiral', 'vacuum state, Theta parameter', 'condensation, chiral', 'Schwinger model', 'mass', 'renormalization', 'quantization, light cone', 'dimension, 2', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008040'] | ['In this paper I shall discuss the way in which vacuum structure and condensates occur in the light-cone representation. I shall particularly emphasize the mechanism by which the mass squared of a composite such as the pion comes to depend linearly on the bare mass of its Fermion constituents. I shall give details in ... | ['2000-08-04'] |
2,751 | ['eng'] | ['Dorey, P', 'Dunning, C', 'Tateo, R'] | ['Differential equations for general SU(n) Bethe ansatz systems'] | ['Particle Physics - Theory'] | ['Bethe ansatz', 'differential equations', 'symmetry, SU(N)', 'integral equations, nonlinear', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008039'] | ["We show that SU(n) Bethe Ansatz equations with arbitrary `twist' parameters are hidden inside certain nth order ordinary differential equations, and discuss various consequences of this fact."] | ['2000-08-04'] |
2,752 | ['eng'] | ['Yang, J'] | ['Coarse graining and renormalization'] | ['Particle Physics - Theory'] | ['field theory', 'scattering amplitude, higher-order', 'renormalization group', 'differential equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008037'] | ["Reformulating the QFT's as coarse grained 'low' energy sectors of a postulated complete quantum theory of everything with the 'high' energy modes integrated out or 'clustering' into 'low' energy objects, we can evaluate the Feynman amplitudes by solving a series of natural differential equations which automatically d... | ['2000-08-04'] |
2,753 | ['eng'] | ['Diakonov, D I', 'Petrov, V'] | ['Non-Abelian Stokes Theorems in Yang-Mills and Gravity Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Wilson loop', 'Stokes theorem, nonabelian', 'gravitation', 'holonomy', 'dimension, 2-4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008035'] | ["We recall the non-Abelian Stokes theorem for the Wilson loop in the Yang-Mills theory and discuss its meaning. Then we move to `gravitational Wilson loops', i.e. to holonomies in curved d=2,3,4 spaces and derive non-Abelian Stokes theorems for these quantities as well, which are similar to our formula in the Yang-Mil... | ['2000-08-04'] |
2,754 | ['eng'] | ['Kleihaus, B', 'Kunz, J'] | ['Non-Abelian Black Holes with Magnetic Dipole Hair'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'black hole, nonabelian', 'symmetry, axial', 'magnetic monopole, pair', 'black hole, hair', 'dipole, magnetic', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008034'] | ['We construct static axially symmetric black holes in SU(2) Einstein-Yang-Mills-Higgs theory. Located inbetween a monopole-antimonopole pair, these black holes possess magnetic dipole hair. The difference of their mass and their horizon mass equals the mass of the regular monopole-antimonopole solution, as expected fr... | ['2000-08-04'] |
2,755 | ['eng'] | ['Taylor, W'] | ['Mass generation from tachyon condensation for vector fields on D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, vector', 'mass generation', 'tachyon, condensation', 'zero mode', 'field theory, string', 'invariance, Becchi-Rouet-Stora', 'gauge field theory, U(1)', 'effective potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008033'] | ['The level truncation approach to string field theory is used to study the zero-momentum action for vector excitations on a bosonic D-brane which has been annihilated by tachyon condensation. It is shown that in the true vacuum the translation zero modes associated with transverse scalars on the D-brane are lifted by ... | ['2000-08-04'] |
2,756 | ['eng'] | ['Allen, R E'] | ['Origin and Further Predictions of the Statistical Superfield'] | ['Particle Physics - Theory'] | ['supersymmetry', 'superfield, statistical', 'effective action', 'particle, multiplet', 'quantization', 'Hamiltonian formalism', 'operator, algebra', 'energy, vacuum state', 'grand unified theory, SO(10)', 'WIMP', 'astrophysics, missing-mass', 'Higgs particle, parity', 'coupling, Yukawa'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008032'] | ["In earlier papers, an action with unconventional supersymmetry was found to reproduce standard physics at low energy, but to predict interesting new phenomena near 1 TeV and above. In the present paper, it is shown that this action results from a remarkably simple picture: a single fundamental system consisting of id... | ['2000-08-04'] |
2,757 | ['eng'] | ['Gauntlett, J P', 'Kim, C', 'Lee, K', 'Yi, P'] | ['General Low Energy Dynamics of Supersymmetric Monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'quantum mechanics', 'supersymmetry', 'magnetic monopole', 'quantization', 'Higgs model', 'zero mode', 'effective action', 'fermion, matter', 'potential', 'dyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008031'] | ['We derive general low energy dynamics of monopoles and dyons in N=2 and N=4 supersymmetric Yang-Mills theories by utilising a collective coordinate expansion. The resulting new kind of supersymmetric quantum mechanics incorporates the effects of multiple Higgs fields, both in the N=2 vector multiplet and hypermultipl... | ['2000-08-04'] |
2,758 | ['eng'] | ['Bergman, A', 'Ganor, O J'] | ['Dipoles, Twists and Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, scalar', 'duality, T-duality', 'field theory, torus', 'differential geometry, noncommutative', 'dipole', 'Seiberg-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008030'] | ['T-duality of gauge theories on a noncommutative $T^d$ can be extended to include fields with twisted boundary conditions. The resulting T-dual theories contain novel nonlocal fields. These fields represent dipoles of constant magnitude. Several unique properties of field theories on noncommutative spaces have simpler... | ['2000-08-03'] |
2,759 | ['eng'] | ['Nishino, H'] | ['Supersymmetric Yang-Mills Theory in Eleven Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, transformation', 'dimension, 11', 'field theory, action', 'field equations', 'membrane model', 'invariance, Lorentz', 'closure approximation', 'multiplet, vector'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008029'] | ['We present a Lorentz invariant lagrangian formulation for a supersymmetric Yang-Mills vector multiplet in eleven dimensions (11D). The Lorentz symmetry is broken at the field equation level, and therefore the breaking is spontaneous, as in other formulations of supersymmetric theories in 12D or higher dimensions. We ... | ['2000-08-03'] |
2,760 | ['eng'] | ['Das, S', 'Mann, R B'] | ['Conserved Quantities in Kerr-anti-de Sitter Spacetimes in Various Dimensions'] | ['Particle Physics - Theory'] | ['space-time, Kerr', 'space-time, anti-de Sitter', 'any-dimensional', 'charge, conservation law', 'transformation, conformal', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008028'] | ['We compute the conserved charges for Kerr anti-de Sitter spacetimes in various dimensions using the conformal and the counterterm prescriptions. We show that the conserved charge corresponding to the global timelike killing vector computed by the two methods differ by a constant dependent on the rotation parameter an... | ['2000-08-03'] |
2,761 | ['eng'] | ['Nair, V P'] | ['Quantum Mechanics on a Noncommutative Brane in M(atrix) Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model', 'matrix model', 'quantum mechanics', 'algebra, SU(2)', 'algebra, Heisenberg', 'space, sphere', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008027'] | ['We consider the quantum mechanics of a particle on a noncommutative two-sphere with the coordinates obeying an SU(2)-algebra. The momentum operator can be constructed in terms of an $SU(2)\\times SU(2)$- extension and the Heisenberg algebra recovered in the smooth manifold limit. Similar considerations apply to the m... | ['2000-08-03'] |
2,762 | ['eng'] | ['Neves, R'] | ['Renormalization Group Flow in BRST Invariant Open String $\\sigma$-Model'] | ['Particle Physics - Theory'] | ['string model, open', 'boson, string', 'sigma model, nonlinear', 'renormalization group, transformation', 'renormalization group, beta function', 'transformation, Becchi-Rouet-Stora', 'effective action', 'invariance, gauge', 'field theory, string', 'coupling, vertex'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008026'] | ["The renormalization group flow in the theory space of a BRST invariant string $\\sigma$-model is investigated. For the open bosonic string the non-perturbative off-shell effective action and its gauge symmetry properties are determined from $\\beta$-functions defined by the local Weyl anomaly. The interactions are sh... | ['2000-08-03'] |
2,763 | ['eng'] | ['Sfetsos, K'] | ['Supersymmetric phases of finite-temperature strings, 2'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'finite temperature', 'effective action', 'supergravity', 'field equations, solution', 'domain wall'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008025'] | ['It was recently proposed that there exist stable supersymmetric phases for finite temperature superstings. This issue was investigated using an effective supergravity which takes into account massive winding modes. Such a theory admits BPS solutions that do not suffer from Hagedorn-type instabilities. We extend sever... | ['2000-08-03'] |
2,764 | ['eng'] | ['Hikida, Y', 'Nozaki, M', 'Takayanagi, T'] | ['Tachyon Condensation on Fuzzy Sphere and Noncommutative Solitons'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, SU(2)', 'string model, open', 'tachyon, condensation', 'membrane, condensation', 'membrane model, D-brane', 'operator, vertex', 'sphere, fuzzy', 'index theorem', 'differential geometry, noncommutative', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008023'] | ["We study a brane-antibrane system and a non-BPS D-brane in SU(2) WZW model. We first discuss the tachyon condensation using the vertex operator formalism and find the generation of codimension two D-branes after the condensation. Our result is consistent with the recent interpretation that a D2-brane is a bound state... | ['2000-08-03'] |
2,765 | ['eng'] | ['Kamani, D'] | ['Noncommutative Superstring Worldsheet'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, background field', 'differential geometry, noncommutative', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008020'] | ['In this paper we consider the worldsheet of superstring as a noncommutative space. Some additional terms can be added to the superstring action, that for ordinary worldsheet are zero. Expansion of this extended action up to the first order of the noncommutativity parameter of the string worldsheet, leads to the new s... | ['2000-08-03'] |
2,766 | ['eng'] | ['Takata, H'] | ['Electric-Magnetic Duality in IIB Matrix Model with D-brane'] | ['Particle Physics - Theory'] | ['talk, Bangalore 2000/08/17', 'matrix model', 'gauge field theory, U(1)', 'differential geometry, noncommutative', 'duality, transformation', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'decoupling', 'string model', 'string tension'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008019'] | ['We consider electric-magnetic duality(S-duality) in IIB matrix model with a D3-brane background. We propose the duality transformation by considering that of noncommutative Yang-Mills theory(NCYM) in four dimension. NCYM derived from the matrix model has a Yang-Mills coupling related to the noncommutativity of the sp... | ['2000-08-03'] |
2,767 | ['eng'] | ['Bulgadaev, S A'] | ['Cartan tori and ADE classification of two-dimensional topological phase transitions'] | ['Particle Physics - Theory'] | ['talk, London 2000/07/17', 'sigma model, nonlinear', 'dimension, 2', 'statistical mechanics', 'critical phenomena, topological', 'duality', 'effective action', 'torus, Cartan', 'group theory, lattice'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008018'] | ['A talk presented at International Conference ICMP-2000, London, England'] | ['2000-08-02'] |
2,768 | ['eng'] | ['Bulgadaev, S A'] | ['D-dimensional conformal sigma-models and their topological excitations'] | ['Particle Physics - Theory'] | ['talk, London 2000/07/17', 'field theory, conformal', 'sigma model, nonlinear', 'any-dimensional', 'soliton', 'charge, topological', 'analytic properties', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008017'] | ['A talk presented at International Conference ICMP-2000, London, England'] | ['2000-08-02'] |
2,769 | ['eng'] | ['Hashimoto, A', 'Hirano, S', 'Itzhaki, N'] | ['Large branes in AdS and their field theory dual'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'membrane model', 'supersymmetry', 'symmetry, rotational', 'gauge field theory, Yang-Mills', 'field equations, solution', 'soliton, BPS', 'instanton', 'stability', 'energy', 'angular momentum', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008016'] | ['Recently it was suggested that a graviton in $AdS_5 \\times S_5$ with a large momentum along the sphere can blow up into a spherical D-brane in $S_5$. In this paper we show that the same graviton can also blow up into a spherical D-brane in $AdS_5$ with exactly the same quantum numbers (angular momentum and energy). ... | ['2000-08-02'] |
2,770 | ['eng'] | ['Grisaru, Marc T', 'Myers, R C', 'Tafjord, O'] | ['SUSY and Goliath'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'membrane model, D-brane', 'membrane model, p-brane', 'graviton', 'supersymmetry', 'instanton', 'energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008015'] | ["We investigate the `giant gravitons' of McGreevy, Susskind and Toumbas [hep-th/0003075]. We demonstrate that these are BPS configurations which preserve precisely the same supersymmetries as a `point-like' graviton. We also show that there exist `dual' giant gravitons consisting of spherical branes expanding into the... | ['2000-08-02'] |
2,771 | ['eng'] | ['Nieto, J A', 'Yee, C M'] | ['p-Brane Action from Gravi-Dilaton Effective Action'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'effective action', 'any-dimensional', 'membrane model, p-brane', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008014'] | ['Using a special ansatz for the metric, by straightforward computation we prove that gravi-dilaton effective action in higher dimensions is reduced to the p-brane action. The dual symmetry of the generic type $%a\\longleftrightarrow \\frac 1a$ is an important symmetry of the reduced action.'] | ['2000-08-02'] |
2,772 | ['eng'] | ['Seiberg, N'] | ['A Note on Background Independence in Noncommutative Gauge Theories, Matrix Model and Tachyon Condensation'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model, D-brane', 'membrane model, p-brane', 'field theory, tensor', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'background field', 'tachyon, condensation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008013'] | ['Using the construction of D-branes with nonzero $B$ field in the matrix model we give a physical interpretation of the known background independence in gauge theories on a noncommutative space. The background independent variables are identified as the degrees of freedom of the underlying matrix model. This also clar... | ['2000-08-02'] |
2,773 | ['eng'] | ['Oda, I'] | ['Bosonic Fields in the String-like Defect Model'] | ['Particle Physics - Theory'] | ['Einstein equation, solution', 'any-dimensional', 'topology, defect', 'string model', 'field theory, scalar', 'Kaluza-Klein model', 'space, sphere', 'partial wave'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008012'] | ["We study localization of bosonic bulk fields on a string-like defect with codimension 2 in a general space-time dimension in detail. We show that in cases of spin 0 scalar and spin 1 vector fields there are an infinite number of massless Kaluza-Klein (KK) states which are degenerate with respect to the radial quantum... | ['2000-08-02'] |
2,774 | ['eng'] | ['Zachos, C K'] | ['A Survey of Star Product Geometry'] | ['Particle Physics - Theory'] | ['talk, Chicago 2000/07/22', 'geometry', 'operator, algebra', 'algebra, nonabelian', 'operator, differential', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008010'] | ["A brief pedagogical survey of the star product is provided, through Groenewold's original construction based on the Weyl correspondence. It is then illustrated how simple Landau orbits in a constant magnetic field, through their Dirac Brackets, define a noncommutative structure since these brackets exponentiate to a ... | ['2000-08-02'] |
2,775 | ['eng'] | ['Schwarz, J H'] | ['Does Superstring Theory Have a Conformally Invariant Limit?'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'string model', 'supersymmetry', 'dimension, 6', 'asymptotic behavior', 'invariance, conformal', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008009'] | ['This talk describes a proposal, due to Hull, for a conformally invariant limit of superstring theory in six dimensions.'] | ['2000-08-02'] |
2,776 | ['eng'] | ['Donagi, R', 'Ovrut, B A', 'Pantev, T', 'Waldram, D'] | ['Standard-Model Bundles on Non-Simply Connected Calabi-Yau Threefolds'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'gauge field theory, Z(8)', 'grand unified theory, SU(5)', 'field theory, Calabi-Yau', 'fibre bundle', 'geometry, algebra', 'gauge field theory, SU(3) x SU(2) x U(1)', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008008'] | ['We give a proof of the existence of $G=SU(5)$, stable holomorphic vector bundles on elliptically fibered Calabi--Yau threefolds with fundamental group $\\bbz_2$. The bundles we construct have Euler characteristic 3 and an anomaly that can be absorbed by M-theory five-branes. Such bundles provide the basis for constru... | ['2000-08-02'] |
2,777 | ['eng'] | ['Shurtleff, R'] | ['Rotations and e, $\\nu$ Propagators, 3'] | ['Particle Physics - Theory'] | ['electron', 'neutrino', 'spinor', 'propagator', 'invariance, rotational', 'symmetry, internal', 'symmetry, SU(2) x U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008007'] | ['In Parts I and II we showed that e, $\\nu$ propagators can be derived from rotation invariant projection operators, thereby providing examples of how quantities with spacetime symmetry can be obtained by constraining rotationally symmetric objects. One constraint is the restriction of the basis; only two kinds of bas... | ['2000-08-02'] |
2,778 | ['eng'] | ['Bozhilov, P'] | ['Exact String Solutions in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['string model', 'field theory, classical', 'space-time', 'any-dimensional', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008006'] | ['We show how the classical string dynamics in $D$-dimensional curved background can be reduced to the dynamics of a massless particle constrained on a certain surface whenever there exists at least one Killing vector for the background metric. Then we obtain a number of sufficient conditions, which ensure the existenc... | ['2000-08-02'] |
2,779 | ['eng'] | ['Sathiapalan, B'] | ['Loop Variables and Gauge Invariant Interactions, 2'] | ['Particle Physics - Theory'] | ['gauge field theory', 'loop space', 'string model', 'scattering amplitude', 'dimensional reduction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008005'] | ['We continue the discussion of our previous paper on writing down gauge invariant interacting equations for a bosonic string using the loop variable approach. In the earlier paper the equations were written down in one higher dimension where the fields are massless. In this paper we describe a procedure for dimensiona... | ['2000-08-02'] |
2,780 | ['eng'] | ['Zloshchastiev, K G'] | ['Holographic principle and field-to-particle transition formalism in sigma model, dilaton gravity and supergravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'supergravity', 'effective action', 'sigma model, nonlinear', 'particle, relativistic', 'quantization, Dirac', 'Hamiltonian formalism', 'membrane model', 'string model', 'field theory, transformation', 'holography', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008004'] | ['The paper consists of two parts which seem to be independent of each other but for a first look only. In the Part one the field-to-particle transition formalism is applied to the sigma model (string), dilaton gravity and gauged supergravity 0-brane solutions. In addition to the fact that the field-to-particle transit... | ['2000-08-02'] |
2,781 | ['eng'] | ['Zhou Bang Rong'] | ['Nambu-Goldstone mechanism at finite temperature in the imaginary-time and real-time formalism'] | ['Particle Physics - Theory'] | ['Goldstone theorem', 'finite temperature', 'bound state, propagator', 'mass spectrum', 'fermion, condensation', 'Dyson-Schwinger equation', 'electroweak interaction', 'symmetry, spontaneously broken'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008003'] | ['In the imaginay-time formalism of thermal field theory, and also in the real-time formalism but by means of some redefined physical propagators for scalar bound states by diagonalization of four-point function matrices, we reexamine the Nambu-Goldstone mechanism of electroweak symmetry breaking in a one-generation fe... | ['2000-08-02'] |
2,782 | ['eng'] | ['Kiem, Y H', 'Lee, S', 'Park, J'] | ['Noncommutative Field Theory from String Theory'] | ['Particle Physics - Theory'] | ['phi**n model, 3', 'dimension, 6', 'differential geometry, noncommutative', 'perturbation theory, higher-order', 'higher-order, 2', 'string model, open', 'field theory, tensor', 'decoupling', 'Riemann surfaces', 'propagator', 'scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008002'] | ['Noncommutative \\phi^3 field theory in six dimensions exhibits the logarithmic UV/IR mixing at the two-loop order. We show that open string theory in the presence of constant background NS-NS two-form field yields the same amplitude upon taking a decoupling limit. The stretched string picture proposed on the basis of... | ['2000-08-02'] |
2,783 | ['eng'] | ['Maldacena, J M', 'Núñez, C'] | ['Towards the large N limit of pure N=1 super Yang Mills'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'space, sphere', 'field equations, solution', 'gravitation', 'gauge field theory, Yang-Mills', 'supersymmetry', 'expansion 1/N', 'particle, multiplet', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008001'] | ['We find the gravity solution corresponding to a large number of NS or D fivebranes wrapped on a two sphere so that we have pure ${\\cal N}=1$ super Yang-Mills in the IR. The supergravity solution is smooth, it shows confinement and it breaks the $U(1)_R$ chiral symmetry in the appropriate way. When the gravity approx... | ['2000-08-02'] |
2,784 | ['eng'] | ['Zhou, C G'] | ['Noncommutative Scalar Solitons at Finite $\\theta$'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'field equations, soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007255'] | ['We investigate the behavior of the noncommutative scalar soliton solutions at finite noncommutative scale $\\theta$. A detailed analysis of the equation of the motion indicates that fewer and fewer soliton solutions exist as $\\theta$ is decreased and thus the solitonic sector of the theory exhibits an overall hierar... | ['2000-08-01'] |
2,785 | ['eng'] | ['Enqvist, Kari', 'Keski-Vakkuri, E', 'Räasänen, S S'] | ['Constraints on brane and bulk ideal fluid in Randall-Sundrum cosmologies'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'Einstein equation, solution', 'dimension, 5', 'tensor, energy-momentum', 'conservation law', 'membrane model', 'fluid', 'radion, stability', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007254'] | ['We investigate constraints for including bulk and brane matter in the Randall- Sundrum model. In the static configuration with two zero thickness branes, we find that no realistic brane matter is possible when the radion is stabilized. We also consider the possibility that the radion has stabilized by dissipating its... | ['2000-08-01'] |
2,786 | ['eng'] | ['Molins, J', 'Simón, J'] | ['BPS States and Automorphisms'] | ['Particle Physics - Theory'] | ['M-theory', 'soliton, BPS', 'supersymmetry, algebra', 'algebra, Poincare', 'dimension, 11', 'algebra, representation', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007253'] | ["The purpose of the present paper is twofold. In the first part, we provide an algebraic characterization of several families of $\\nu= \\frac{1}{2^n}$ $n\\leq 5$ BPS states in M theory, at threshold and non-threshold, by an analysis of the BPS bound derived from the ${\\cal N}=1$ D=11 SuperPoincar\\'e algebra. We det... | ['2000-08-01'] |
2,787 | ['eng'] | ['Youm, D'] | ['Localization of Gravity on Dilatonic Domain Walls'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'any-dimensional', 'soliton', 'domain wall', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007252'] | ["We supplement the discussion on localization of gravity on dilatonic domain walls in ``Solitons in Brane Worlds'' (Nucl. Phys. B576, 106, hep-th/9911218) by giving unified and coherent discussion which combines the result of this paper and the expanded results in the author's subsequent papers in an attempt to avoid ... | ['2000-08-01'] |
2,788 | ['eng'] | ['Kirsten, K'] | ['Spectral functions in mathematics and physics'] | ['Particle Physics - Theory'] | ['thesis', 'regularization, zeta function', 'external field', 'boson, condensation', 'space-time', 'fermion', 'gauge field theory, U(1)', 'field theory, scalar', 'field theory, spinor', 'any-dimensional', 'perturbation theory, higher-order', 'renormalization', 'spectral representation', 'energy, ground state', 'path in... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007251'] | ['Several functions of the spectrum of second order elliptic differential operators play a central role in the analysis of properties of physical systems. E.g. in statistical mechanics relevant spectral functions comprise of various partition sums for the evaluation of thermodynamical quantities as critical temperature... | ['2000-08-01'] |
2,789 | ['eng'] | ['Freedman, Daniel Z', 'Minahan, J A'] | ['Finite Temperature Effects in the Supergravity Dual of the N=1* Gauge Theory'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory', 'duality', 'finite temperature', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'p-brane, 5', 'field theory, tensor', 'differential forms, 3', 'entropy', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007250'] | ['We consider the supergravity dual of the N=1* theory at finite temperature by applying the Polchinski-Strassler construction to the black D3 brane solution of Type IIB supergravity. At finite temperature the 5-brane probe action is minimized when the probe falls to the horizon, although metastable minima with r>>r_H ... | ['2000-08-01'] |
2,790 | ['eng'] | ['Bijtebier, J'] | ['Bound state equation for 4 or more relativistic particles'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'bound state, (4particle)', 'Bethe-Salpeter equation', 'dimension, 3', 'dimensional reduction', 'Feynman graph', 'propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007249'] | ["We apply the 3D reduction method we recently proposed for the N-particle Bethe-Salpeter equation to the 4-particle case. We find that the writing of the N>3 Bethe-Salpeter equation is not a straightforward task, owing to the presence of mutually unconnected interactions, which could lead to an overcounting of some di... | ['2000-08-01'] |
2,791 | ['eng'] | ['Bender, C M', 'Böttcher, S', 'Jones, H F', 'Meisinger, P N'] | ['Double-Scaling Limit of a Broken Symmetry Quantum Field Theory'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, Euclidean', 'any-dimensional', 'symmetry, spontaneously broken', 'effective action, expansion', 'scaling', 'correlation function', 'Schroedinger equation', 'Ising model', 'parity, invariance', 'parity, transverse momentum', 'renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007248'] | ["The Ising limit of a conventional Hermitian parity-symmetric scalar quantum field theory is a correlated limit in which two bare Lagrangian parameters, the coupling constant $g$ and the {\\it negative} mass squared $-m^2$, both approach infinity with the ratio $-m^2/g=\\alpha>0$ held fixed. In this limit the renormal... | ['2000-08-01'] |
2,792 | ['eng'] | ['Gorsky, A S', 'Makeenko, Y M', 'Selivanov, K G'] | ['On noncommutative vacua and noncommutative solitons'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'soliton', 'vacuum state', 'membrane model', 'dimension, 3', 'kink'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007247'] | ['We consider noncommutative theory of a compact scalar field. The recently discovered projector solitons are interpreted as classical vacua in the model considered. Localized solutions to the projector equation are pointed out and their brane interpretation is discussed. An example of the noncommutative soliton interp... | ['2000-08-01'] |
2,793 | ['eng'] | ['Selivanov, K G'] | ['Branes in external field or more about Randall-Sundrum scenario'] | ['Particle Physics - Theory'] | ['talk, Pushkin 2000/05/13', 'Randall-Sundrum model', 'external field', 'membrane model', 'membrane, tension', 'membrane, production', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007246'] | ['Fate of branes in external fields is reviewed with emphasis on a spontaneous creation of the Brane World. No negative tension brane is involved.'] | ['2000-08-01'] |
2,794 | ['eng'] | ['Shurtleff, R'] | ['Rotations and e, $\\nu$ Propagators, 2'] | ['Particle Physics - Theory'] | ['transformation, space-time', 'electron, propagator', 'neutrino, propagator', 'energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007245'] | ['We continue to derive spacetime quantities and spin 1/2 propagators from rotations. Rotation-invariant projection operators are found for each element of a four element basis, i.e. a basis for four component quantities with specific transformation rules under rotations. With these four projection operators, we make t... | ['2000-08-01'] |
2,795 | ['eng'] | ['Burzlaff, J', 'Kellegher, E'] | ['Expansion in the distance parameter for two vortices close together'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, Euclidean', 'dimension, 2', 'gauge field theory, U(1)', 'field equations, vortex', 'fluctuation', 'asymptotic behavior', 'zero mode', 'Landau-Ginzburg model', 'Bogomolnyi equation', 'model, superconducting'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007244'] | ['Static vortices close together are studied for two different models in 2-dimen- sional Euclidean space. In a simple model for one complex field an expansion in the parameters describing the relative position of two vortices can be given in terms of trigonometric and exponential functions. The results are then compare... | ['2000-08-01'] |
2,796 | ['eng'] | ['Romeo, A', 'Saharian, A A'] | ['Casimir effect for scalar fields under Robin boundary conditions on plates'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'boundary condition', 'energy, Casimir', 'invariance, conformal', 'regularization, zeta function', 'analytic properties', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007242'] | ['We study the Casimir effect for scalar fields subject to Robin boundary conditions $(1+\\beta_{m}n^{\\mu}\\partial_{\\mu}) \\phi =0$ at $x=a_{m}$ on one ($m=1$) and two ($m=1,2$) parallel plates at a distance $a\\equiv a_{2}-a_{1}$ from each other. Making use of the generalized Abel-Plana formula previously establish... | ['2000-08-01'] |
2,797 | ['eng'] | ['Rajaraman, A'] | ['Supergravity Solutions for Localised Brane Intersections'] | ['Particle Physics - Theory'] | ['supergravity', 'field equations, solution', 'membrane model, p-brane', 'p-brane, 2', 'p-brane, 5', 'membrane model, D-brane', 'membrane, interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007241'] | ['We present a general method for constructing supergravity solutions for intersecting branes. The solutions are written in terms of a single function, which is the solution to a nonlinear differential equation. We illustrate this procedure in detail for the case of M2-branes ending on M5-branes. We also present superg... | ['2000-08-01'] |
2,798 | ['eng'] | ['Chaichian, Masud', 'Chen, W F', 'Montonen, C'] | ['New Superconformal Field Theories in Four Dimensions and N=1 Duality'] | ['Particle Physics - Theory'] | ['review', 'field theory, conformal', 'supersymmetry', 'algebra, representation', 'gauge field theory, Yang-Mills', 'symmetry breaking, chiral', 'anomaly', 'moduli space', 'duality', 'nonperturbative', 'fermion, flavor', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007240'] | ['Recently, developments in the understanding of low-energy N=1 supersymmetric gauge theory have revealed two important phenomena: the appearance of new four-dimensional superconformal field theories and a non-Abelian generalization of electric-magnetic duality at the IR fixed point. This report is a pedagogical introd... | ['2000-08-01'] |
2,799 | ['eng'] | ['Mukohyama, S'] | ['Quantum effects, brane tension and large hierarchy in the brane-world'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'coupling, matter', 'dimension, 5', 'spontaneous compactification', 'Einstein equation, solution', 'invariance, conformal', 'membrane model', 'energy, Casimir', 'hierarchy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007239'] | ["Semiclassical Einstein's equation with conformally invariant bulk matter fields is examined in the brane world scenario with the S^1/Z_2 compactification. Exact semiclassical solutions are obtained and it is shown that (a) tension of our brane can be made positive or negative whichever one likes; and that (b) if Casi... | ['2000-08-01'] |
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