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 |
|---|---|---|---|---|---|---|---|---|
5,800 | ['eng'] | ["O'Raifeartaigh, Lochlainn", 'Sreedhar, V V'] | ['Duality in Liouville Theory as a Reduced Symmetry'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'field theory, Liouville', 'dimension, 2', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906116'] | ['The origin of the rather mysterious duality symmetry found in quantum Liouville theory is investigated by considering the Liouville theory as the reduction of a WZW-like theory in which the form of the potential for the Cartan field is not fixed a priori. It is shown that in the classical theory conformal invariance ... | ['1999-06-16'] |
5,801 | ['eng'] | ['Zinn-Justin, J'] | ['Renormalization of gauge theories and master equation'] | ['Particle Physics - Theory'] | ['talk, Stony Brook 1999/05/21', 'gauge field theory, Yang-Mills', 'action', 'quantization', 'fermion', 'field theory, scalar', 'renormalization', 'master equation', 'invariance, Becchi-Rouet-Stora', 'Slavnov identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906115'] | ['The evolution of ideas which has led from the first proofs of the renormalizability of non-abelian gauge theories, based on Slavnov--Taylor identities, to the modern proof based on the BRS symmetry and the master equation is recalled. This lecture has been delivered at the {\\bf Symposium in the Honour of Professor C... | ['1999-06-16'] |
5,802 | ['eng'] | ['Dunne, G V', 'Rao, K'] | ['Lamé Instantons'] | ['Particle Physics - Theory'] | ['Schroedinger equation', 'instanton', 'fluctuation', 'energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906113'] | ['We perform a precise analytic test of the instanton approximation by comparing the exact band spectrum of the periodic Lamé potential to the tight-binding, instanton and WKB approximations. The instanton result gives the correct leading behavior in the semiclassical limit, while the tight-binding approximation does e... | ['1999-06-16'] |
5,803 | ['eng'] | ['David, J R', 'Mandal, G', 'Vaidya, S', 'Wadia, S R'] | ['Point Mass Geometries, Spectral Flow and $AdS_{3}-CFT_{2}$ Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'supergravity', 'dimension, 3', 'field theory, conformal', 'dimension, 2', 'transformation, gauge', 'energy, Euclidean', 'spectral representation', 'partition function', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906112'] | ['We discuss, in terms of the AdS_3-CFT_2 correspondence, a one-parameter family of (asymptotically AdS_3) conical geometries which are generated by point masses and interpolate between AdS_3 and BTZ spacetimes. We show that these correspond to spectral flow in N= (4,4) SCFT_2 which interpolate between NS and R sectors... | ['1999-06-16'] |
5,804 | ['eng'] | ['Brouder, C'] | ['On the trees of quantum fields'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'path integral', 'algebra', 'quantum electrodynamics', 'fermion, propagator', 'photon, propagator', 'renormalization', 'Ward identity, cohomology', 'vertex function', 'vacuum polarization', 'electron, propagator', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906111'] | ['The solution of some equations involving functional derivatives is given as a series indexed by planar binary trees. The terms of the series are given by an explicit recursive formula. Some algebraic properties of these series are investigated. Several examples are treated in the case of quantum electrodynamics: the ... | ['1999-06-16'] |
5,805 | ['eng'] | ['Azcoiti, V', 'Galante, A'] | ['Vector Symmetries and $\\Theta$-Vacuum'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'partition function, Euclidean', 'potential, chemical', 'effective action', 'Theta parameter', 'correlation function', 'expansion, cluster', 'quantum chromodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906110'] | ['Under very general assumptions we show that Vafa-Witten theorem on vector symmetries in vector-like theories can be extended to some physically relevant gauge theories with non-positive definite integration measure as QCD with a theta-vacuum term.'] | ['1999-06-16'] |
5,806 | ['eng'] | ['Majumder, J', 'Sen, A'] | ['"Blowing up" D-branes on Non-supersymmetric Cycles'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, conformal', 'soliton, BPS', 'Wilson loop', 'background field, tensor', 'tachyon, potential', 'critical phenomena', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906109'] | ["In the orbifold limit of K3, one can give exact conformal field theory description of D-branes wrapped on certain non-supersymmetric cycles of K3. We study the effect of switching on the `non-geometric blow up modes' corresponding to anti-symmetric tensor gauge field flux through the 2-cycles on these D-branes. Worki... | ['1999-06-16'] |
5,807 | ['eng'] | ['Antoniadis, Ignatios', 'Ovarlez, G'] | ['An introduction to perturbative and non-perturbative string theory'] | ['Particle Physics - Theory'] | ['talk, Cargese 1998/07/20', 'talk, Corfu 1998/09/06', 'string model, heterotic', 'perturbation theory', 'quantization, 1', 'dimension, 26', 'spontaneous compactification', 'tachyon', 'duality', 'field theory, orbifold', 'effective action', 'nonperturbative', 'soliton', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906108'] | ["In these lectures we give a brief introduction to perturbative and non-perturbative string theory. The outline is the following. 1. Introduction to perturbative string theory 1.1 From point particle to extended objects 1.2 Free closed and open string spectrum 1.3 Compactification on a circle and T-duality 1.4 The Sup... | ['1999-06-16'] |
5,808 | ['eng'] | ['Plechko, V N'] | ['Fermionic Path Integrals and Two-Dimensional Ising Model with Quenched Site Disorder'] | ['Particle Physics - Theory'] | ['talk, Florence 1998/08/25', 'Ising model', 'dimension, 2', 'fermion, lattice field theory', 'continuum limit', 'path integral', 'Gross-Neveu model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906107'] | ['The notion of the integral over the anticommuting Grassmann variables is applied to analyze the fermionic structure of the 2D Ising model with quenched site dilution. In the $N$-replica scheme, the model is explicitly reformulated as a theory of interacting fermions on a lattice. For weak dilution, the continuum-limi... | ['1999-06-16'] |
5,809 | ['eng'] | ['Nicolai, Hermann C'] | ['On Hidden Symmetries in d=11 Supergravity and Beyond'] | ['Particle Physics - Theory'] | ['talk, Brussels 1999/03/24', 'supergravity', 'dimension, 11', 'hidden symmetry', 'symmetry, SO(1,2) x SO(16)', 'M-theory', 'gauge field theory, Yang-Mills', 'dimensional reduction', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906106'] | ['Invited talk at the conference "Fundamental Interactions: From Symmetries to Black Holes" in honor of Francois Englert, 24 - 27 March, Universite Libre de Bruxelles, Belgium'] | ['1999-06-16'] |
5,810 | ['eng'] | ['Lee, J', 'Lee, S'] | ['Mass Spectrum of D=11 Supergravity on $AdS_{2}\\times S^{2} \\times T^{7}$'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'space-time, anti-de Sitter', 'space-time, S(2)', 'space-time, T(7)', 'spontaneous compactification', 'Kaluza-Klein model', 'mass spectrum', 'algebra, SU(1,1/2)', 'algebra, conformal', 'algebra, representation', 'M-theory', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906105'] | ['We compute the Kaluza-Klein mass spectrum of the D=11 supergravity compactified on AdS_2\\times S^2\\times T^7 and arrange it into representations of the SU(1,1|2) superconformal algebra. This geometry arises in M theory as the near horizon limit of a D=4 extremal black-hole constructed by wrapping four groups of M-b... | ['1999-06-16'] |
5,811 | ['eng'] | ['Pashaev, O K', 'Lee, J H'] | ['Chern-Simons Solitons in Quantum Potential'] | ['Particle Physics - Theory'] | ['Schroedinger equation, nonlinear', 'gauge field theory, U(1)', 'Chern-Simons term', 'soliton', 'duality', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906104'] | ['The self-dual Chern-Simons solitons under the influence of the quantum potential are considered. The single-valuedness condition for an arbitrary integer number $N \\ge 0$ of solitons leads to quantization of Chern-Simons coupling constant $\\kappa = m {e^{2} \\over g}$, and the integer strength of quantum potential ... | ['1999-06-16'] |
5,812 | ['eng'] | ['Hatsuda, M T', 'Kamimura, K', 'Sekiya, S'] | ['Electric-Magnetic Duality Invariant Lagrangians'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Born-Infeld model', 'duality', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906103'] | ['We find general non-linear lagrangians of a U(1) field invariant under electric-magnetic duality. They are characterized by an arbitrary function and go to the Maxwell theory in the weak field limit. We give some explicit examples which are generalizations of the Born-Infeld theory.'] | ['1999-06-16'] |
5,813 | ['eng'] | ['Corley, S'] | ['Mass spectrum of N=8 supergravity on $AdS_{2}x S^{2}$'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 4', 'black hole, Reissner-Nordstroem', 'horizon', 'space-time, anti-de Sitter', 'Calogero model', 'dimension, 2', 'duality', 'mass spectrum', 'quantum mechanics, conformal', 'dimension, conformal', 'group theory, SU(1,1/2)', 'group theory, SU(2) x SU(6)', 'group theory, representation', 'gr... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906102'] | ['An initial step is taken in investigating the duality between the near horizon region of a four dimensional extremal Reissner-Nordstrom black hole and the n-particle, N=4 Calogero model as conjectured by Gibbons and Townsend. Specifically we compute the mass spectrum of d=4, N=8 supergravity about the Bertotti-Robins... | ['1999-06-15'] |
5,814 | ['eng'] | ['Gamboa-Rios, J'] | ['Fermions on Non-Trivial Topologies'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'field theory, torus', 'topology', 'propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906100'] | ['An exact expression for the Green function of a purely fermionic system moving on the manifold $\\Re \\times \\Sigma^{D-1}$ where $\\Sigma^{D-1}$ is a (D-1)-torus is found. This expression involves the bosonic analog of $\\chi_n = e^{in\\theta}$ corresponding to the irreducible representation for the n-th class of ho... | ['1999-06-15'] |
5,815 | ['eng'] | ['Sanjay, S'] | ['On direct and crossed channel asymptotics of four-point functions in AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'supergravity', 'dilaton', 'n-point function, 4', 'perturbation theory, higher-order', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906099'] | ['We analyse the leading logarithmic singularities in direct and crossed channel limit of the four-point functions in dilaton-axion sector of type IIB supergravity on $AdS_{5}$ in AdS/CFT correspondence. Logarithms do not cancel in the full correlator in both channels.'] | ['1999-06-15'] |
5,816 | ['eng'] | ['Gibbons, G W', 'Herdeiro, C A R'] | ['Supersymmetric Rotating Black Holes and Causality Violation'] | ['Particle Physics - Theory'] | ['black hole, rotational', 'supersymmetry', 'dimension, 5', 'causality, violation', 'Hamilton-Jacobi equation', 'Klein-Gordon equation, solution', 'cross section, absorption', 'space-time', 'effective potential', 'particle, spinless', 'quantum mechanics', 'field theory, scalar', 'background', 'thermodynamics', 'tachyon... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906098'] | ["The geodesics of the rotating extreme black hole in five spacetime dimensions found by Breckenridge, Myers, Peet and Vafa are Liouville integrable and may be integrated by additively separating the Hamilton-Jacobi equation. This allows us to obtain the Stäckel-Killing tensor. We use these facts to give the maximal an... | ['1999-06-15'] |
5,817 | ['eng'] | ['Ferrari, F', 'Lazzizzera, I'] | ['Field Theories of Topological Random Walks'] | ['Particle Physics - Theory'] | ['field theory, topological', 'polymer', 'random walk', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'statistical mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906097'] | ['In this work we derive certain topological theories of transverse vector fields whose amplitudes reproduce topological invariants involving the interactions among the trajectories of three and four random walks. This result is applied to the construction of a field theoretical model which describes the statistical me... | ['1999-06-15'] |
5,818 | ['eng'] | ['Ali, A'] | ['Classification of Two Dimensional N=4 Superconformal Symmetries'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry', 'algebra, Kac-Moody', 'symmetry, SU(2)', 'symmetry, SU(2) x SU(2) x U(1)', 'symmetry, SU(2) x U(1)**4', 'operator product expansion', 'algebra, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906096'] | ['Classification of N=4 superconformal symmetries in two dimensions is re-examined. It is proposed that apart from SU(2) and $SU(2)\\times SU(2)\\times U(1)$ their Kac-Moody symmetry can also be $SU(2)\\times(U(1))^4$. These superconformal symmetries and corresponding algebras are named small, large and middle ones res... | ['1999-06-15'] |
5,819 | ['eng'] | ['de Wit, B'] | ['Modifications of the area law and N=2 supersymmetric black holes'] | ['Particle Physics - Theory'] | ['talk, Brussels 1999/03/24', 'black hole', 'supersymmetry', 'entropy', 'string model', 'charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906095'] | ["Modifications of the area law are crucial in order to find agreement with microscopic entropy calculations based on string theory, when including contributions that are subleading for large charges. The deviations of the area law are in accord with Wald's proposal for the entropy based on a Noether charge. We discuss... | ['1999-06-15'] |
5,820 | ['eng'] | ['Lópes-Cardoso, G', 'de Wit, B', 'Mohaupt, T'] | ['Macroscopic entropy formulae and non-holomorphic corrections for supersymmetric black holes'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'black hole, heterotic', 'supersymmetry', 'string model', 'M-theory', 'spontaneous compactification', 'derivative, high', 'tree approximation', 'duality', 'entropy, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906094'] | ['In four-dimensional N=2 compactifications of string theory or M-theory, modifications of the Bekenstein-Hawking area law for black hole entropy in the presence of higher-derivative interactions are crucial for finding agreement between the macroscopic entropy obtained from supergravity and subleading corrections to t... | ['1999-06-15'] |
5,821 | ['eng'] | ['Alvarez, M', 'Olive, David I'] | ['The Dirac quantisation condition for fluxes on four-manifolds'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'magnetic monopole', 'flux, magnetic', 'flux, quantization', 'topology', 'index theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906093'] | ['A systematic treatment is given of the Dirac quantisation condition for electromagnetic fluxes through two-cycles on a four-manifold space-time which can be very complicated topologically, provided only that it is connected, compact, oriented and smooth. This is sufficient for the quantised Maxwell theory on it to sa... | ['1999-06-15'] |
5,822 | ['eng'] | ['Bytsenko, A A', 'Vanzo, L', 'Zerbini, S'] | ['Semiclassical Approximation for Chern-Simons Theory and 3-Hyperbolic Invariants'] | ['Particle Physics - Theory'] | ['space-time', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'topology', 'approximation, quasiclassical', 'fibre bundle', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906092'] | ['The invariant integration method for Chern-Simons theory defined on the compact hyperbolic manifold {\\Gamma}\\H^3 is verified in the semiclassical approximation. The semiclassical limit for the partition function is presented. We discuss briefly L^2 - analytic torsion and the eta invariant of Atiyah-Patodi-Singer fo... | ['1999-06-15'] |
5,823 | ['eng'] | ['Bulgadaev, S A'] | ['BKT phase transitions in two-dimensional systems with internal symmetries'] | ['Particle Physics - Theory'] | ['talk, Dubna 1996/08/26', 'sigma model, nonlinear', 'dimension, 2', 'field equations, vortex', 'energy', 'charge, topological', 'partition function', 'duality', 'lattice field theory', 'critical phenomena', 'transformation, conformal', 'asymptotic freedom', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906091'] | ['The Berezinsky-Kosterlitz-Thouless (BKT) type phase transitions in two-dimensional systems with internal abelian continuous symmetries are investigated. The necessary conditions for they can take place are: 1) conformal invariance of the kinetic part of the model action, 2) vacuum manifold must be degenerated with ab... | ['1999-06-15'] |
5,824 | ['eng'] | ['Imamura, Y'] | ['Branes in type 0/type II duality'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'field theory, massless', 'duality', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906090'] | ['We give relations between type 0 and type II D-brane configurations under T-duality suggested by Bergman and Gaberdiel and confirm that massless fields on D-branes are identical to ones on the dual D-brane configurations. Furthermore, we discuss dualities of type 0 and type II NS5-branes.'] | ['1999-06-15'] |
5,825 | ['eng'] | ['Dütsch, M', 'Schrör, B'] | ['Massive Vectormesons and Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory', 'field theory, renormalizable', 'vector meson, scattering', 'vector meson, massive', 'Higgs model', 'invariance, Becchi-Rouet-Stora', 'S-matrix', 'perturbation theory', 'ghost', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906089'] | ["We show that the requirements of renormalizability and physical consistency imposed on perturbative interactions of massive vectormesons fix the interactions essentially uniquely, i.e. the physical particle content together with renormalizability determines the theory. In particular physical consistency requires the ... | ['1999-06-15'] |
5,826 | ['eng'] | ['Arfaei, H', 'Kamani, D'] | ['Branes with Background Fields in Boundary State Formalism'] | ['Particle Physics - Theory'] | ['membrane model, interaction', 'sigma model, nonlinear', 'dimension, 2', 'field theory, tensor', 'phase space, boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9909167'] | ['Interaction of branes in presence of internal gauge fields is considered by using the boundary state formalism. This approach enables us to consider the problems that are not easily accessible to the canonical approach via open strings. The effects of compactification of some of the dimensions on tori are also discus... | ['1999-09-24'] |
5,827 | ['por'] | ['De Oliveira-Imbiriba, B C'] | ['Exploring the Supersymmetric $\\sigma$ Model'] | ['Particle Physics - Theory'] | ['thesis', 'sigma model, nonlinear', 'supersymmetry', 'Wess-Zumino term', 'torsion', 'anomaly, conformal', 'field equations', 'topology', 'effective action', 'space, Kaehler', 'group theory, SU(2) x U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906088'] | ['The purpose of this work is to present some basic concepts about the non-linear sigma model in a simple and direct way. We start with showing the bosonic model and the Wess-Zumino-Witten term, making some comments about its topological nature, and its association with the torsion. It is also shown that to cancel the ... | ['1999-06-14'] |
5,828 | ['eng'] | ['Antonuccio, F', 'Hashimoto, A', 'Lunin, O', 'Pinsky, S S'] | ['Can DLCQ test the Maldacena Conjecture?'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 1', 'supergravity', 'fermion', 'quantization, light cone', 'quantization, discrete', 'operator, algebra', 'gauge field theory, SU(N)', 'expansion 1/N', 'supersymmetry', 'tensor, energy-momentum', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906087'] | ["We consider the Maldacena conjecture applied to the near horizon geometry of a D1-brane in the supergravity approximation and consider the possibility of testing the conjecture against the boundary field theory calculation using DLCQ. We propose the two point function of the stress energy tensor as a convenient quant... | ['1999-06-14'] |
5,829 | ['eng'] | ['Thomassen, J B'] | ['Chiral Poincaré transformations and their anomalies'] | ['Particle Physics - Theory'] | ['fermion, chiral', 'transformation, Poincare', 'gauge field theory, external field', 'path integral', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906086'] | ['We consider global transformations of a Dirac fermion field that are generated by the generators of Poincare transformations, but with a \\gamma_5 appended. Using proper time regularization in Minkowski space, we find that these chiral translations and chiral Lorentz transformations in general have anomalies, and we ... | ['1999-06-14'] |
5,830 | ['eng'] | ['Petkou, Anastasios C', 'Siopsis, G'] | ['Renormalization Group Flow and Thermodynamics of Conformal Field Theories'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, O(N)', 'field theory, fermion', 'symmetry, SU(N)', 'finite temperature', 'energy', 'Gross-Neveu model', 'field theory, conformal', 'dimension, 3', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906085'] | ['We discuss the free-energy density of bosonic and fermionic theories possessing strongly coupled critical points in D=3. We construct a stationary renormalization group trajectory which interpolates between the free massless theory of N scalars and a class of interacting theories including both bosons and fermions. A... | ['1999-06-14'] |
5,831 | ['eng'] | ['Sato, T'] | ['Target-space covariance of worldvolume solutions of massive IIA D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 4', 'p-brane, 8', 'dimension, 10', 'string model', 'string, background field', 'Wess-Zumino term', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906084'] | ["We investigate the worldvolume actions of massive IIA D-branes (i.e. D-branes in a massive IIA background) and obtain explicitly in each case a supersymmetric point charge solution of the worldvolume gauge field with an appropriate excitation of the transverse scalar field. Affected by the background, the form of one... | ['1999-06-14'] |
5,832 | ['eng'] | ['Dvoeglazov, V V'] | ['Additional Equations Derived from the Ryder Postulates in the (1/2,0)+(0,1/2) Representation of the Lorentz Group'] | ['Particle Physics - Theory'] | ['particle, multiplet', 'spinor', 'group theory, Lorentz', 'group theory, representation', 'group theory, O(4,2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906083'] | ['Developing recently proposed constructions for the description of particles in the $(1/2,0)\\oplus (0,1/2)$ representation space, we derive the second-order equations. The similar ones were proposed in the sixties and the seventies in order to understand the nature of various mass and spin states in the representatio... | ['1999-06-11'] |
5,833 | ['eng'] | ['Armoni, Adi', 'Kol, B'] | ['Non-Supersymmetric Large N Gauge Theories from Type 0 Brane Configurations'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'expansion 1/N', 'membrane model, p-brane', 'p-brane, 0', 'duality', 'string model', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906081'] | ["We use dyonic brane configurations of type 0 string theory to study large N non-supersymmetric 4d gauge theories. The brane configurations define theories similar to the supersymmetric ones which arise in type II. We find the non-SUSY analogues of N=2 and N=1. In particular we suggest new non-SUSY CFT's and a brane r... | ['1999-06-11'] |
5,834 | ['eng'] | ['Denef, F', 'Raeymaekers, J', 'Troost, W'] | ['New solutions to an old equation'] | ['Particle Physics - Theory'] | ['talk, Brussels 1999/03/24', 'electromagnetic interaction', 'particle, relativistic', 'field equations, solution', 'tunneling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906080'] | ['We present a brief historical overview of the classical theory of a radiating point charge, described by the Lorentz-Dirac equation. A recent development is the discovery of tunnelling of a charge through a potential barrier, in a completely classical context. Also, a concrete example is discussed of the existence of... | ['1999-06-11'] |
5,835 | ['eng'] | ['Lechner, K', 'Marchetti, P A'] | ['Duality-invariant Quantum Field Theories of Charges and Monopoles'] | ['Particle Physics - Theory'] | ['charge, electric', 'magnetic monopole', 'dyon', 'duality', 'invariance, Lorentz', 'invariance, SO(2)', 'charge, quantization', 'symmetry, Z(4)', 'effective action', 'Theta parameter', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906079'] | ['We present a manifestly Lorentz- and SO(2)-Duality-invariant local Quantum Field Theory of electric charges, Dirac magnetic monopoles and dyons. The manifest invariances are achieved by means of the PST-mechanism. The dynamics for classical point particles is described by an action functional living on a circle, if t... | ['1999-06-11'] |
5,836 | ['eng'] | ['Cho, J H', 'Lee, T', 'Semenoff, Gordon W'] | ['Two Dimensional Anti-de Sitter Space and Discrete Light Cone Quantization'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 3', 'spontaneous compactification', 'dimension, 2', 'field theory, conformal', 'duality', 'black hole', 'entropy', 'Wilson loop', 'topology', 'quantization, light cone', 'discrete'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906078'] | ['We realize the two dimensional anti-de Sitter (AdS_2) space as a S^1 compactification of the AdS_3 space in the framework of DLCQ (discrete light cone quantization). This realization of the AdS_2 space illustrates how the AdS_2/CFT duality can be derived from the well-known AdS_3/CFT duality. We also evaluate the ent... | ['1999-06-11'] |
5,837 | ['eng'] | ['Matlock, P', 'Viswanathan, K S'] | ['The AdS/CFT Correspondence for the Massive Rarita-Schwinger Field'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'Rarita-Schwinger equation, solution', 'boundary condition', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906077'] | ['The complete solution to the massive Rarita-Schwinger field equation in anti-de Sitter space is constructed, and used in the AdS/CFT correspondence to calculate the correlators for the boundary conformal field theory. It is found that when no condition is imposed on the field solution, there appear two different boun... | ['1999-06-11'] |
5,838 | ['eng'] | ['Solomon, D'] | ['Quantum states with a space-like energy momentum'] | ['Particle Physics - Theory'] | ['field theory', 'phase space', 'Hamiltonian formalism', 'tensor, energy-momentum', 'gauge field theory, U(1)', 'fermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906076'] | ['A common assumption in quantum field theory is that the energy-momentum 4-vector of any quantum state must be timelike. It will be proven that this is not the case for a Dirac-Maxwell field. In this case quantum states can be shown to exist whose energy-momentum is spacelike. This implies that there must exist quantu... | ['1999-06-10'] |
5,839 | ['eng'] | ['Savvidy, G K'] | ['Born-Infeld Action in String Theory'] | ['Particle Physics - Theory'] | ['thesis', 'string model', 'Born-Infeld model', 'membrane model, D-brane', 'gauge field theory, SU(N)', 'field theory, conformal', 'space-time, anti-de Sitter', 'baryon, model', 'color, flux tube', 'boundary condition', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906075'] | ["In this thesis I present applications of the Born-Infeld action to the description of D-branes, mostly in the context of type IIB string theory. First I present the Callan-Maldacena construction of a fundamental string attached to a threebrane, whereby the string is made out of the wrapped brane. This interpretation ... | ['1999-06-10'] |
5,840 | ['eng'] | ['Garattini, R'] | ['Entropy from the foam'] | ['Particle Physics - Theory'] | ['space-time, foam', 'wormhole', 'approximation, quasiclassical', 'black hole, entropy', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906074'] | ["A simple model of spacetime foam, made by N wormholes in a semiclassical approximation, is taken under examination. We show that the Bekenstein-Hawking entropy is here ``quantized'' in agreement with the heuristic calculation of Bekenstein."] | ['1999-06-10'] |
5,841 | ['eng'] | ['Dorn, H', 'Pershin, V D'] | ['Concavity of the $Q\\overline{Q}$ potential in $N=4$ super Yang-Mills gauge theory and AdS/CFT duality'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, anti-de Sitter', 'field theory, conformal', 'quark antiquark, potential', 'Wilson loop', 'soliton, BPS', 'duality', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906073'] | ['We derive a generalised concavity condition for potentials between static sources obtained from Wilson loops coupling both to gauge bosons and a set of scalar fields. It involves the second derivatives with respect to the distance in ordinary space as well as with respect to the relative orientation in internal space... | ['1999-06-10'] |
5,842 | ['eng'] | ['Banerjee, R', 'Rothe, H J', 'Rothe, Klaus D'] | ['Hamiltonian Approach to Lagrangian Gauge Symmetries'] | ['Particle Physics - Theory'] | ['Lagrangian formalism', 'Hamiltonian formalism', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906072'] | ['We reconsider the problem of finding all local symmetries of a Lagrangian. Our approach is completely Hamiltonian without any reference to the associated action. We present a simple algorithm for obtaining the restrictions on the gauge parameters entering in the definition of the generator of gauge transformations.'] | ['1999-06-10'] |
5,843 | ['eng'] | ['Schrör, B'] | ["Modular Theory and Eyvind Wichmann's Contributions to modern Particle Physics Theory"] | ['Particle Physics - Theory'] | ['particle physics, history', 'axiomatic field theory', 'operator, algebra', 'transformation, modular', 'scattering'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906071'] | ["Some of the consequences of Eyvind Wichmann's contributions to modular theory and the QFT phase-space structure are presented. In order to show the power of those ideas in contemporary problems, I selected the issue of algebraic holography as well as a new nonperturbative constructive approach (based on the modular s... | ['1999-06-10'] |
5,844 | ['eng'] | ['Gukov, S G', 'Vafa, C', 'Witten, Edward'] | ['CFTs From Calabi-Yau Four-folds'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space, Calabi-Yau', 'F-theory', 'M-theory', 'string model', 'singularity', 'vacuum state', 'domain wall', 'supersymmetry', 'Kazama-Suzuki model', 'membrane model', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906070'] | ['We consider F/M/Type IIA theory compactified to four, three, or two dimensions on a Calabi-Yau four-fold, and study the behavior near an isolated singularity in the presence of appropriate fluxes and branes. We analyze the vacuum and soliton structure of these models, and show that near an isolated singularity, one o... | ['1999-06-10'] |
5,845 | ['eng'] | ['Doikou, A', 'Nepomechie, R I'] | ['Soliton S matrices for the critical $A_{N-1}^{(1)}$ chain'] | ['Particle Physics - Theory'] | ['statistical mechanics', 'model, spin', 'S-matrix', 'soliton', 'Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906069'] | ['We compute by Bethe Ansatz both bulk and boundary hole scattering matrices for the critical A_{N-1}^(1) quantum spin chain. The bulk S matrix coincides with the soliton S matrix for the A_{N-1}^(1) Toda field theory with imaginary coupling. We verify our result for the boundary S matrix using a generalization of the ... | ['1999-06-10'] |
5,846 | ['eng'] | ['Sato, H T'] | ['World-line Green functions with momentum and source conservations'] | ['Particle Physics - Theory'] | ['string model', 'scattering amplitude, higher-order', 'higher-order, 2', 'momentum, conservation law', 'constraint', 'transformation, reparametrization', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906068'] | ['Based on the generating functional method with an external source function, a useful constraint on the source function is proposed for analyzing the one- and two-loop world-line Green functions. The constraint plays the same role as the momentum conservation law of a certain nontrivial form, and transforms ambiguous ... | ['1999-06-10'] |
5,847 | ['eng'] | ['Dowker, John S'] | ['Magnetic fields and factored two-spheres'] | ['Particle Physics - Theory'] | ['magnetic monopole', 'quantum mechanics', 'charge, quantization', 'heat kernel', 'zeta function', 'energy, Casimir', 'sphere', 'fixed point', 'magnetic field', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906067'] | ['A magnetic monopole is placed at the centre of a 3-ball whose surface, S, is tiled by the symmetry group, G, of a regular solid. The quantum mechanics on the two-dimensional quotient, S/G, is developed and the monopole charge is found to be quantized in the expected manner. The heat-kernels and zeta-functions are eva... | ['1999-06-10'] |
5,848 | ['eng'] | ['Daboul, J', 'Delbourgo, Robert'] | ['Matrix Representation of Octonions and Generalizations'] | ['Particle Physics - Theory'] | ['algebra, octonion', 'algebra, representation', 'algebra, Lie'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906065'] | ["We define a special matrix multiplication among a special subset of $2N\\x 2N$ matrices, and study the resulting (non-associative) algebras and their subalgebras. We derive the conditions under which these algebras become alternative non-associative and when they become associative. In particular, these algebras yiel... | ['1999-06-10'] |
5,849 | ['eng'] | ['Randall, L', 'Sundrum, R'] | ['An Alternative to Compactification'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'spontaneous compactification', 'gravitation, potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906064'] | ["Conventional wisdom states that Newton's force law implies only four non-compact dimensions. We demonstrate that this is not necessarily true in the presence of a non-factorizable background geometry. The specific example we study is a single 3-brane embedded in five dimensions. We show that even without a gap in the... | ['1999-06-09'] |
5,850 | ['eng'] | ['Wetterich, C'] | ['Gluon-Meson Duality'] | ['Particle Physics - Theory'] | ['quantum chromodynamics, vacuum state', 'Higgs model', 'gluon', 'meson', 'duality', 'vector meson, octet', 'duality, quark hadron', 'effective Lagrangian', 'nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906062'] | ['The QCD-vacuum is characterized by the Higgs phenomenon for colored scalar fields. In this dual picture the gluons appear as the octet of vector mesons. Also quarks and baryons are identified. Gluon-meson and quark-baryon duality can account in a simple way for realistic masses of all low-mass hadrons and for their i... | ['1999-06-09'] |
5,851 | ['eng'] | ['Ellwanger, Ulrich'] | ['Monopole Condensation and Antisymmetric Tensor Fields'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'lattice field theory', 'field theory, tensor', 'renormalization group, transformation', 'gauge field theory, Yang-Mills', 'monopole, condensation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906061'] | ["A field theoretic description of monopole condensation in strongly coupled gauge theories is given by actions involving antisymmetric tensors B_{\\mu\\nu} of rank 2. We rederive the corresponding action for 4d compact QED, summing explicitly over all possible monopole configurations. Its gauge symmetries and Ward ide... | ['1999-06-09'] |
5,852 | ['eng'] | ['Lee, C W H', 'Rajeev, S G'] | ['A Review of Symmetry Algebras of Quantum Matrix Models in the Large-N Limit'] | ['Particle Physics - Theory'] | ['review', 'matrix model', 'expansion 1/N', 'algebra, Lie', 'string model', 'gauge field theory, Yang-Mills', 'model, spin', 'quantum gravity', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906060'] | ['This is a review article in which we will introduce, in a unifying fashion and with more intermediate steps in some difficult calculations, two infinite-dimensional Lie algebras of quantum matrix models, one for the open string sector and one for the closed string sector. Physical observables of quantum matrix models... | ['1999-06-09'] |
5,853 | ['eng'] | ['Hormuzdiar, J N', 'Hsu, S D H'] | ['On Spherically Symmetric Breathers in Scalar Theories'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'Klein-Gordon equation', 'soliton', 'symmetry, rotational', 'fluctuation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906058'] | ["We develop an algorithm which can be used to exclude the existence of classical breathers (periodic finite energy solutions) in scalar field theories, and apply it to several cases of interest. In particular, the technique is used to show that a pair of potentially periodic solutions of the 3+1 Sine-Gordon Lagrangian... | ['1999-06-09'] |
5,854 | ['eng'] | ['Csáki, C', 'Skiba, W', 'Terning, J'] | ['$\\beta$ Functions of Orbifold Theories and the Hierarchy Problem'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'gauge field theory, hierarchy', 'orbifold', 'renormalization group, beta function', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906057'] | ['We examine a class of gauge theories obtained by projecting out certain fields from an N=4 supersymmetric SU(N) gauge theory. These theories are non-supersymmetric and in the large N limit are conformal. Recently it was proposed that the hierarchy problem could be solved by embedding the standard model in a theory of... | ['1999-06-09'] |
5,855 | ['eng'] | ['Bergman, O', 'Gaberdiel, M R'] | ['Dualities of Type 0 Strings'] | ['Particle Physics - Theory'] | ['string model, boson', 'string, open', 'string, closed', 'duality', 'supersymmetry', 'spontaneous compactification, orbifold', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906055'] | ['It is conjectured that the two closed bosonic string theories, Type 0A and Type 0B, correspond to certain supersymmetry breaking orbifold compactifications of M-theory. Various implications of this conjecture are discussed, in particular the behaviour of the tachyon at strong coupling and the existence of non-perturb... | ['1999-06-08'] |
5,856 | ['eng'] | ['Mansfield, P', 'Nolland, D'] | ['One-loop Conformal Anomalies From AdS/CFT in the Schrödinger Representation'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'field theory, Euclidean', 'fermion', 'anomaly, conformal', 'perturbation theory, higher-order', 'Kaluza-Klein model', 'mass spectrum', 'spontaneous compactification', 'Schroedinger equation, wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906054'] | ['We compute the conformal anomalies of boundary CFTs for scalar and fermionic fields propagating in AdS spacetime at one-loop. The coefficients are quantized, with values related to the mass-spectra for Kaluza-Klein compactifications of Supergravity on AdS5xS5 and AdS7xS4. Our approach interprets the boundary partitio... | ['1999-06-08'] |
5,857 | ['eng'] | ['Gustavsson, A', 'Henningson, M'] | ['The light spectrum near the Argyres-Douglas point'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'fermion, multiplet', 'vacuum state, moduli space', 'central charge', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906053'] | ['We consider N = 2 super Yang-Mills theory with SU(2) gauge group and a single quark hypermultiplet in the fundamental representation. For a specific value of the quark bare mass and at a certain point in the moduli space of vacua, the central charges corresponding to two mutually non-local electro-magnetic charges va... | ['1999-06-08'] |
5,858 | ['eng'] | ['Periwal, V'] | ['String field theory Hamiltonians from Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'loop space', 'field theory, string', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906052'] | ['Marchesini showed that the Fokker-Planck Hamiltonian for Yang-Mills theories is the loop operator. Jevicki and Rodrigues showed that the Fokker-Planck Hamiltonian of some matrix models coï ncides with temporal gauge non-critical string field theory Hamiltonians constructed by Ishibashi and Kawai (and their collaborat... | ['1999-06-08'] |
5,859 | ['eng'] | ['Eden, B U', 'Howe, Paul S', 'Schubert, C', 'Sokatchev, Emery S', 'West, Peter C'] | ['Simplifications of four-point functions in N=4 supersymmetric Yang-Mills theory at two loops'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'n-point function, 4', 'perturbation theory, higher-order', 'higher-order, 2', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906051'] | ['The superconformal Ward identities combined with N=2 harmonic analyticity are used to evaluate two-loop four-point correlation functions of gauge-invariant operators in D=4, N=4 supersymmetric Yang-Mills theory in terms of the well-known one-loop box integral. The result is confirmed by a direct numerical computation... | ['1999-06-08'] |
5,860 | ['eng'] | ['Klimenko, S', 'Nikitin, I N'] | ['Exotic solutions in string theory'] | ['Particle Physics - Theory'] | ['string model', 'string, classical', 'field equations, solution', 'Hamiltonian formalism', 'Lagrangian formalism', 'momentum', 'angular momentum', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906050'] | ['Solutions of classical string theory, correspondent to the world sheets, mapped in Minkowsky space with a fold, are considered. Typical processes for them are creation of strings from vacuum, their recombination and annihilation. These solutions violate positiveness of square of mass and Regge condition. In quantum s... | ['1999-06-08'] |
5,861 | ['eng'] | ['Shifman, M'] | ['Exact Results in Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Atlanta 1999/03/20', 'gauge field theory, strong coupling', 'supersymmetry', 'renormalization, beta function', 'gluino, condensation', 'instanton', 'symmetry, spontaneously broken', 'field theory, topological', 'analytic properties', 'anomaly', 'gauge field theory, action', 'vacuum state', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906049'] | ["Powerful methods based on supersymmetry allow one to find exact solutions to certain problems in strong coupling gauge theories. The inception of some of these methods (holomorphy in the gauge coupling and other chiral parameters, in conjunction with instanton calculations) dates back to the 1980's. I describe the ea... | ['1999-06-08'] |
5,862 | ['eng'] | ['Kiritsis, Elias B', 'Taylor, T R'] | ['Thermodynamics of D-brane Probes'] | ['Particle Physics - Theory'] | ['talk, Corfu 1998/09/06', 'talk, Trieste 1999/02/24', 'membrane model, D-brane', 'thermodynamics', 'black hole, Reissner-Nordstroem', 'quantum gravity', 'horizon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906048'] | ['We discuss the dynamics and thermodynamics of particle and D-brane probes moving in non-extremal black hole/brane backgrounds. When a probe falls from asymptotic infinity to the horizon, it transforms its potential energy into heat, $TdS$, which is absorbed by the black hole in a way consistent with the first law of ... | ['1999-06-08'] |
5,863 | ['eng'] | ['Alberghi, G L', 'Lowe, D A', 'Trodden, M'] | ['Charged False Vacuum Bubbles and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'domain wall', 'space-time, Reissner-Nordstroem', 'space-time, anti-de Sitter', 'vacuum state, bubble', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906047'] | ["We initiate a study of cosmology within the framework of Maldacena's AdS/CFT correspondence. We present a comprehensive analysis of the classical motion of a charged domain wall that separates an external Reissner-Nordstrom region of spacetime (with small or vanishing cosmological constant) from an internal de-Sitter... | ['1999-06-08'] |
5,864 | ['eng'] | ['Klemm, A D', 'Zaslow, E'] | ['Local Mirror Symmetry at Higher Genus'] | ['Particle Physics - Theory'] | ['string model, topological', 'partition function', 'field theory, Calabi-Yau', 'geometry, algebra', 'symmetry, mirror'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906046'] | ['We discuss local mirror symmetry for higher-genus curves. Specifically, we consider the topological string partition function from higher genus curves contained in a Fano surface within a Calabi-Yau. Our main example is the local P^2 case. The Kodaira-Spencer theory of gravity, tailored to this local geometry, can be... | ['1999-06-07'] |
5,865 | ['eng'] | ['Zois, I P'] | ['Gelfand-Fuchs cohomology and M-Theory as a Topological Quantum Field Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'field theory, topological', 'cohomology', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906045'] | ['We propose a Lagrangian density for M-Theory which is purely topological using Gelfand-Fuchs cohomology which characterises up to homotopy physical principle and S-duality, we conjecture on the existence of certain plane fields on $S^{11}$.'] | ['1999-06-07'] |
5,866 | ['eng'] | ['Sahakian, V V'] | ['Black holes and thermodynamics of non-gravitational theories'] | ['Particle Physics - Theory'] | ['thesis', 'black hole, production', 'gauge field theory, Yang-Mills', 'supersymmetry', 'thermodynamics', 'critical phenomena', 'string model', 'membrane model', 'matrix model', 'strong coupling', 'duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906044'] | ['This is a thesis/review article that combines some of the results of hep-th/9809061, hep-th/9810224 and hep-th/9901135 with a short discussion of introductory background material; an attempt has been made to present the work in a self-contained manner. The first chapter mostly targets readers who are vaguely familiar... | ['1999-06-07'] |
5,867 | ['eng'] | ['Garattini, R'] | ['Spacetime Foam and the Casimir Energy'] | ['Particle Physics - Theory'] | ['space-time, foam', 'topology, fluctuation', 'gravitation', 'Hamiltonian formalism', 'energy, Casimir', 'entropy', 'black hole, pair production', 'astrophysics, wave function', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906043'] | ['We conjecture that the neutral black hole pair production is related to the vacuum fluctuation of pure gravity via the Casimir-like energy. A generalization of this process to a multi-black hole pair is considered. Implications on the foam-like structure of spacetime and on the cosmological constant are discussed.'] | ['1999-06-07'] |
5,868 | ['eng'] | ['Girotti, H O'] | ['Duality Symmetry in the Schwarz-Sen Model'] | ['Particle Physics - Theory'] | ['talk, Buenos Aires 1998/11/28', 'gauge field theory, Yang-Mills', 'symmetry, SO(2)', 'Hamiltonian formalism', 'constraint', 'operator, algebra', 'duality, transformation', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906042'] | ['The duality symmetric but not manifestly covariant action proposed by Schwarz-Sen is canonically quantized in the Coulomb gauge. The resulting theory turns out to be, nevertheless, relativistically invariant. It is shown, afterwards, that the Schwarz-Sen model naturally emerges when duality is implemented as a local ... | ['1999-06-07'] |
5,869 | ['eng'] | ['Bandos, I A', 'Kummer, Wolfgang'] | ['Superstring "ending" on super-D9-brane'] | ['Particle Physics - Theory'] | ['membrane model', 'string model, interaction', 'supersymmetry', 'kappa symmetry', 'field equations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906041'] | ['A supersymmetric action functional describing the interaction of the fundamental superstring with the D=10, type IIB Dirichlet super-9-brane is presented. A set of supersymmetric equations for the coupled system is obtained from the action principle. It is found that the interaction of the string endpoints with the s... | ['1999-06-07'] |
5,870 | ['eng'] | ['Emparan, R'] | ['AdS/CFT Duals of Topological Black Holes and the Entropy of Zero-Energy States'] | ['Particle Physics - Theory'] | ['black hole, topological', 'space-time, anti-de Sitter', 'field theory, conformal', 'duality', 'weak coupling', 'strong coupling', 'tensor, energy-momentum', 'entropy', 'gauge field theory, Yang-Mills', 'supersymmetry', 'coupling constant, correction', 'space-time, Rindler', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906040'] | ['The horizon of a static black hole in Anti-deSitter space can be spherical, planar, or hyperbolic. The microscopic dynamics of the first two classes of black holes have been extensively discussed recently within the context of the AdS/CFT correspondence. We argue that hyperbolic black holes introduce new and fruitful... | ['1999-06-07'] |
5,871 | ['eng'] | ['Antoniadis, Ignatios', 'Bachas, C P', 'Dudas, E A'] | ['Gauge couplings in four-dimensional Type I string orbifolds'] | ['Particle Physics - Theory'] | ['string model', 'orbifold', 'coupling, gauge', 'threshold, effect', 'supersymmetry', 'orientifold', 'duality', 'background field', 'dependence, moduli', 'spontaneous compactification, torus', 'supergravity', 'anomaly, U(1)', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906039'] | ['We compute threshold effects to gauge couplings in four-dimensional $Z_N$ orientifold models of type I strings with ${\\cal N}=2$ and ${\\cal N}=1$ supersymmetry, and study their dependence on the geometric moduli. We also compute the tree-level (disk) couplings of the open sector gauge fields to the twisted closed s... | ['1999-06-07'] |
5,872 | ['eng'] | ['Banks, T', 'Fischler, Willy'] | ['A Model for High Energy Scattering in Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'string model, weak coupling', 'scattering, two-particle', 'cross section, elastic scattering', 'impact parameter', 'black hole, decay', 'scattering amplitude, elastic scattering', 'graviton, exchange', 'space-time, Schwarzschild', 'approximation, eikonal', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906038'] | ['We present a model for high energy two body scattering in a quantum theory of gravity. The model is applicable for center of mass energies higher than the relevant Planck scale. At impact parameters smaller than the Schwarzchild radius appropriate to the center of mass energy and total charge of the initial state, th... | ['1999-06-07'] |
5,873 | ['eng'] | ['Przeszowski, J A'] | ['The Light-Front SU(N) Yang-Mills Theory for the Weyl Gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'field theory, light front', 'Weyl gauge', 'quantization, constraint', 'Hamiltonian formalism', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906037'] | ['The canonical quantization is performed at a light-front surface for the SU(N) Yang-Mills theory. The Weyl gauge is imposed as a gauge condition. The suitable parameterization is chosen for the transverse gauge field components in order to have Dirac brackets independent of interactions. The generating functional is ... | ['1999-06-07'] |
5,874 | ['eng'] | ['Fendley, P R'] | ['Sigma models as perturbed conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'perturbation theory', 'sigma model, nonlinear', 'coset space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906036'] | ['We show that two-dimensional sigma models are equivalent to certain perturbed conformal field theories. When the fields in the sigma model take values in a space G/H for a group G and a maximal subgroup H, the corresponding conformal field theory is the $k\\to\\infty$ limit of the coset model $(G/H)_k$, and the pertu... | ['1999-06-07'] |
5,875 | ['eng'] | ['Bertola, M', 'Gorini, V', 'Moschella, U', 'Schäffer, R'] | ['Correspondence between Minkowski and de Sitter Quantum Field Theory'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'space-time, Minkowski', 'any-dimensional', 'Klein-Gordon equation', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906035'] | ["In this letter we show that the ``preferred'' Klein-Gordon Quantum Field Theories (QFT's) on a d-dimensional de Sitter spacetime can be obtained from a Klein-Gordon QFT on a (d+1)-dimensional ``ambient'' Minkowski spacetime satisfying the spectral condition and, conversely, that a Klein-Gordon QFT on a (d+1)-dimensio... | ['1999-06-07'] |
5,876 | ['eng'] | ['Reenders, M'] | ['Dynamical symmetry breaking in the gauged Nambu-Jona-Lasinio model'] | ['Particle Physics - Theory'] | ['thesis', 'Jona-Lasinio-Nambu model', 'symmetry, dynamically broken', 'critical phenomena', 'scaling', 'renormalization group', 'Dyson-Schwinger equation', 'propagator', 'Ward identity', 'ladder approximation', 'fixed point', 'vacuum polarization', 'gauge field theory, U(1)', 'symmetry, U(N)', 'numerical calculations'... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906034'] | ['The mechanism of dynamical chiral symmetry breaking is studied in the Abelian version of the gauged Nambu-Jona-Lasinio model in four dimensions. The most interesting feature of the gauged Nambu-Jona-Lasinio model is the appearance of relevant (renormalizable) four-fermion interactions near a critical curve separating... | ['1999-06-07'] |
5,877 | ['eng'] | ['Khvedelidze, A M', 'Mladenov, D M'] | ['Euler-Calogero-Moser system from SU(2) Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'differential forms', 'Hamiltonian formalism', 'dimensional reduction', 'dimension, 4', 'dimension, 1', 'mechanics, classical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906033'] | ['It is shown that $A_{6}I$ Euler-Calogero-Moser model with certain external potential after the reduction to the invariant submanifold through the discrete symmetry coincides with the unconstrained SU(2) Yang-Mills mechanics originated from 4-dimensional SU(2) Yang-Mills theory under the supposition of the spatial hom... | ['1999-06-07'] |
5,878 | ['eng'] | ['Antonov, D V'] | ['Abelian Higgs Model as an Ensemble of Vortex Loops'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'dimension, 3', 'loop space', 'vortex', 'Landau-Ginzburg model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906032'] | ['In the London limit of the Ginzburg-Landau theory (Abelian Higgs model), vortex dipoles (small vortex loops) are treated as a grand canonical ensemble in the dilute gas approximation. The summation over these objects with the most general rotation- and translation invariant measure of integration over their shapes le... | ['1999-06-07'] |
5,879 | ['eng'] | ['Feng, B', 'Hanany, A', 'He, Y H'] | ["The $Z_{k} \\times D_{k'}$ Brane Box Model"] | ['Particle Physics - Theory'] | ['membrane model', 'orbifold, singularity', 'model, geometrical', 'group theory, nonabelian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906031'] | ["An example of a non-Abelian Brane Box Model, namely one corresponding to a $Z_k \\times D_{k'}$ orbifold singularity of $\\C^3$, is constructed. Its self-consistency and hence equivalence to geometrical methods are subsequently shown. It is demonstrated how a group-theoretic twist of the non-Abelian group circumvents... | ['1999-06-07'] |
5,880 | ['eng'] | ['Petkou, Anastasios C', 'Skenderis, K'] | ['A non-renormalization theorem for conformal anomalies'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'any-dimensional', 'anomaly', 'two-point function', 'n-point function, 3', 'renormalization group', 'gauge field theory, SU(N)', 'supersymmetry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906030'] | ["We provide a non-renormalization theorem for the coefficients of the conformal anomaly associated with operators with vanishing anomalous dimensions. Such operators include conserved currents and chiral operators in superconformal field theories. We illustrate the theorem by computing the conformal anomaly of 2-point... | ['1999-06-07'] |
5,881 | ['eng'] | ['Marshakov, A V'] | ['SUSY gauge theories and Whitham integrable systems from compactification and SUSY breaking'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1999/01/26', 'gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'Seiberg-Witten model', 'geometry, algebra', 'perturbation theory', 'integrability', 'Higgs model', 'string model', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906029'] | ['We review the Seiberg-Witten construction of low-energy effective actions and BPS spectra in SUSY gauge theories and its formulation in terms of integrable systems. It is also demonstrated how this formulation naturally appears from the compactified version of the theory with partially broken supersymmetry so that th... | ['1999-06-04'] |
5,882 | ['eng'] | ['Vanegas, N'] | ['Regularization of Automorphic Functions of Manifolds with Special Kähler Geometry'] | ['Particle Physics - Theory'] | ['geometry, Kaehler', 'regularization, zeta function', 'duality', 'string model', 'mass formula', 'analytic properties', 'coset space, SU(1,1)/U(1)', 'Theta function', 'Mellin transformation', 'coset space, SU(1,2)/U(1) x SU(2)', 'group theory, symplectic', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906028'] | ['In this paper we find automorphic functions of coset manifolds with special over integers which belong to a duality-invariant lattice, this product is known to produce duality-invariant functions. In turn these functions correspond to Eisenstein series which can be understood as string theory amplitudes that receive ... | ['1999-06-04'] |
5,883 | ['eng'] | ["D'Hoker, E", 'Phong, D H'] | ['Seiberg-Witten Theory and Calogero-Moser Systems'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1999/01/26', 'gauge field theory, Yang-Mills', 'supersymmetry', 'Seiberg-Witten model', 'geometry, algebra', 'mechanics, classical', 'symmetry, SU(N)', 'Hamiltonian formalism', 'algebra, Lie', 'operator, Lax', 'integrability', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906027'] | ['We present a brief account of a series of recent results on twisted and untwisted elliptic Calogero-Moser systems, and on their fundamental role in the Seiberg-Witten solution of gauge theories with one massive hypermultiplet in the adjoint representation of an arbitrary gauge algebra G.'] | ['1999-06-04'] |
5,884 | ['eng'] | ['Lukaszuk, L', 'Leader, Elliot', 'Johansen, A'] | ['Contour gauges, canonical formalism and flux algebras'] | ['Particle Physics - Theory'] | ['Fock-Schwinger gauge', 'electromagnetic field', 'flux, algebra', 'gauge field theory, Yang-Mills', 'charge, algebra', 'Gauss law', 'fermion, propagator', 'quantum electrodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906026'] | ["A broad class of contour gauges is shown to be determined by admissible contractions of the geometrical region considered and a suitable equivalence class of curves is defined. In the special case of magnetostatics, the relevant electromagnetic potentials are directly related to the ponderomotive forces. Schwinger's ... | ['1999-06-04'] |
5,885 | ['eng'] | ['Medrano, M R', 'Sánchez, N'] | ['Quantum Field Theory-Quantum String Duality in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'black hole', 'string model', 'duality', 'temperature, Hawking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906025'] | ["We introduce a {\\cal R} ``Dual'' transform which relates Quantum Field Theory and Quantum String regimes, both in a curved background. This operation maps the characteristic length of one regime into the other and, as a consequence, mass domains as well. The Hawking-Gibbons temperature and the string maximal or crit... | ['1999-06-04'] |
5,886 | ['eng'] | ['Vergeles, S N'] | ['Two approaches to anomaly-free quantization of general covariant systems on an example of a two-dimensional string'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 2', 'quantization, constraint', 'quantization, 1', 'Hamiltonian formalism', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906024'] | ['In this paper we discuss two approaches to anomaly-free quantization of a two-dimensional string. The first approach is based on the canonical Dirac prescription of quantization of degenerated systems. At the second approach we "weaken" the Dirac quantization conditions requiring the solving of first class constraint... | ['1999-06-04'] |
5,887 | ['eng'] | ['Ito, K'] | ['ADE Singularity and the Seiberg-Witten Theory'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1999/01/26', 'gauge field theory, Yang-Mills', 'supersymmetry', 'algebra, Lie', 'algebra, representation', 'geometry, algebra', 'Seiberg-Witten model', 'Landau-Ginzburg model', 'transformation, conformal', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906023'] | ['We study the low-energy effective theory of N=2 supersymmetric Yang-Mills theory with ADE gauge groups in view of the spectral curves of the periodic Toda lattice and the A-D-E singularity theory. We examine the exact solutions by using the Picard-Fuchs equations for the period integrals of the Seiberg-Witten differe... | ['1999-06-04'] |
5,888 | ['eng'] | ['Bousso, R'] | ['Holography in General Space-times'] | ['Particle Physics - Theory'] | ['space-time, model', 'phase space, Hilbert space', 'fundamental constant, length', 'entropy', 'astrophysics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906022'] | ['We provide a background-independent formulation of the holographic principle. It permits the construction of embedded hypersurfaces (screens) on which the entire bulk information can be stored at a density of no more than one bit per Planck area. Screens are constructed explicitly for AdS, Minkowski, and de Sitter sp... | ['1999-06-04'] |
5,889 | ['eng'] | ['Irwin, P W', 'Paranjape, M B'] | ['Topological symmetry breaking and confinement of anyons'] | ['Particle Physics - Theory'] | ['symmetry breaking, topological', 'anyon, confinement', 'Higgs model, abelian', 'Chern-Simons term', 'dimension, 3', 'Wilson loop', 'vortex, condensation', 'path integral', 'instanton', 'charge, electric', 'flux tube, magnetic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906021'] | ["We study the behaviour of Wilson and 't Hooft loop operators for the 2+1 dim. Abelian-Higgs model with Chern-Simons term. The phase of topological symmetry breaking where the vortex field condenses, found by Samuel for the model in the absence of the Chern-Simons term, persists in its presence. In this phase, the top... | ['1999-06-03'] |
5,890 | ['eng'] | ['Gremm, M', 'Katz, E'] | ['Mirror symmetry for N=1 QED in three dimensions'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'fermion, flavor', 'string model', 'supersymmetry', 'membrane model', 'symmetry, mirror', 'parity, invariance'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906020'] | ['We construct three-dimensional N=1 QED with N_f flavors using branes of type IIB string theory. This theory has a mirror, which can be realized using the S-dual brane configuration. As in examples with more supersymmetry, the Higgs branch of the original theory gets mapped into the Coulomb branch of the mirror. We us... | ['1999-06-03'] |
5,891 | ['eng'] | ['Kiritsis, Elias B'] | ['Duality and Instantons in String Theory'] | ['Particle Physics - Theory'] | ['lectures, Trieste 1999/03/22', 'string model', 'duality', 'instanton', 'vacuum state', 'supersymmetry', 'effective action', 'membrane model, D-brane', 'soliton, BPS', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906018'] | ['In these lecture notes duality tests and instanton effects in supersymmetric vacua of string theory are discussed. A broad overview of BPS-saturated terms in the effective actions is first given. Their role in testing the consistency of duality conjectures as well as discovering the rules of instanton calculus in str... | ['1999-06-03'] |
5,892 | ['eng'] | ['Alexandre, J', 'Polonyi, J'] | ['Tree-level renormalization'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'renormalization group', 'tree approximation', 'correlation function', 'mean field approximation', 'effective action', 'saddle-point approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906017'] | ['It is shown in the framework of the N-component scalar model that the saddle point structure may generate non-trivial renormalization group flow. The spinodal phase separation can be described in this manner and a flat action is found as an exact result which is valid up to any order of the loop expansion. The correl... | ['1999-06-03'] |
5,893 | ['eng'] | ['Vall, A N', 'Korenblit, S E', 'Leviant, V M', 'Naumov, D V', 'Sinitskaya, A V'] | ['Two- and Three-particle States in a Nonrelativistic Four-fermion Model in the Fine-tuning Renormalization Scheme. Goldstone mode "against" extension theory'] | ['Particle Physics - Theory'] | ['four-fermion interaction', 'nonrelativistic', 'Hamiltonian formalism', 'bound state', 'three-body problem', 'Goldstone particle', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906015'] | ['In a nonrelativistic contact four-fermion model we show, that simple two-particle sector and Goldstone modes. Their correspondence with the self-adjoint extension into Pontryagin space is established leading to self-adjoint semi-bounded Hamiltonians in three-particle sectors as well. Renormalized Faddeev equations fo... | ['1999-06-03'] |
5,894 | ['eng'] | ['Jona-Lasinio, G', 'Marchetti, F M'] | ['On the Pairing Structure of the Vacuum induced by a Magnetic Field in 2+1-dimensional Dirac Field Theory'] | ['Particle Physics - Theory'] | ['field theory, Dirac', 'dimension, 3', 'vacuum state', 'magnetic field, constant', 'Bogolyubov transformation', 'energy spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906014'] | ['Using a sequence of Bogoliubov transformations, we obtain an exact expression for the vacuum state of a Dirac field in 2+1 dimensions in presence of a constant magnetic field. This expression reveals a peculiar two level pairing structure for any value of the mass m greater than zero. This calculation clarifies the n... | ['1999-06-03'] |
5,895 | ['eng'] | ['Zhou Jian Ge'] | ['Super 0-brane and GS Superstring Actions on $AdS_{2}xS^{2}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space-time, S(2)', 'membrane model, p-brane', 'p-brane, 0', 'charge, electric', 'charge, magnetic', 'string model', 'supersymmetry', 'coset space', 'differential forms, 2', 'flux'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906013'] | ['The super 0-brane and GS superstring actions on AdS_2 \\times S^2 background with 2-form flux are constructed by supercoset approach. We find the super 0-brane action contains two parameters which can be identified with the electric and magnetic charges of the super 0-brane. The obtained super 0-brane action describe... | ['1999-06-03'] |
5,896 | ['eng'] | ['Oh, K', 'Tatar, R'] | ['Branes at Orbifolded Conifold Singularities and Supersymmetric Gauge Field Theories'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'orbifold', 'supersymmetry', 'moduli space', 'sigma model, nonlinear', 'geometry, algebra', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906012'] | ['We consider D3 branes at orbifolded conifold singularities which are not quotient singularities. We use toric geometry and gauged linear sigma model to study the moduli space of the gauge theories on the D3 branes. We find that topologically distinct phases are related by a flop transition. It is also shown that an o... | ['1999-06-03'] |
5,897 | ['eng'] | ['Dorey, N'] | ['An Elliptic Superpotential for Softly Broken N=4 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry, symmetry breaking', 'potential', 'deformation, massive', 'vacuum state', 'duality', 'integrability', 'critical phenomena', 'transformation, modular', 'spontaneous compactification', 'dimension, 4', 'dimension, 3', 'effective action', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906011'] | ['An exact superpotential is derived for the N=1 theories which arise as massive deformations of N=4 supersymmetric Yang-Mills (SYM) theory. The superpotential of the SU(N) theory formulated on R^{3}\\times S^{1} is shown to coincide with the complexified potential of the N-body elliptic Calogero-Moser Hamiltonian. Thi... | ['1999-06-03'] |
5,898 | ['eng'] | ['Medrano, M R', 'Sánchez, N'] | ['Hawking Radiation in String Theory and the String Phase of Black Holes'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'radiation, Hawking', 'string model, mass spectrum', 'string, emission', 'critical phenomena', 'duality, transformation', 'back reaction', 'cross section, emission'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906009'] | ["The quantum string emission by Black Holes is computed in the framework of the `string analogue model' (or thermodynamical approach), which is well suited to combine QFT and string theory in curved backgrounds (particulary here, as black holes and strings posses intrinsic thermal features and temperatures). The QFT-H... | ['1999-06-02'] |
5,899 | ['eng'] | ['Abrikosov, A A'] | ['Multiinstantons in curvilinear coordinates'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'space-time', 'instanton', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9906008'] | ["The 'tHooft's 5N-parametric multiinstanton solution is generalized to curvilinear coordinates. Expressions can be simplified by a gauge transformation that makes $\\eta$-symbols constant in the vierbein formalism. This generates the compensating addition to the gauge potential of pseudoparticles. Typical examples (4-... | ['1999-06-02'] |
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