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 |
|---|---|---|---|---|---|---|---|---|
5,400 | ['eng'] | ['Kleinert, H'] | ['Perturbative Calculation of Multi-Loop Feynman Diagrams'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'perturbation theory, higher-order', 'critical phenomena', 'Pade approximation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908078'] | ['We show that the calculation of L-loop Feynman integrals in D dimensions can be reduced to a series of matrix multiplications in D times L dimensions. This gives rise to a new type of expansions for the critical exponents in three dimensions in which all coefficients can be calculated exactly.'] | ['1999-08-11'] |
5,401 | ['eng'] | ['Dabholkar, A', 'Trivedi, S P'] | ['Discrete Flux as Quantum Hair'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'space, torus', 'finite temperature', 'flux, electric', 'flux, magnetic', 'partition function', 'field theory, anti-de Sitter', 'field theory, conformal', 'supergravity', 'dimension, 4', 'dimension, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908077'] | ['We investigate Yang-Mills theory on a spatial torus at finite temperature in the presence of discrete electric and magnetic fluxes using the AdS/CFT correspondence. We calculate the leading dependence of the partition function on the fluxes using the dual supergravity theory and comment upon the interpretation of the... | ['1999-08-11'] |
5,402 | ['eng'] | ['Lykken, J D', 'Randall, L'] | ['The Shape of Gravity'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, >4', 'gravitation, fluctuation', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908076'] | ["In a nontrivial background geometry with extra dimensions, gravitational effects will depend on the shape of the Kaluza-Klein excitations of the graviton. We investigate a consistent scenario of this type with two positive tension three-branes separated in a five-dimensional Anti-de Sitter geometry. The graviton is l... | ['1999-08-11'] |
5,403 | ['eng'] | ['Bergman, O', 'Hanany, A', 'Karch, A', 'Kol, B'] | ['Branes and Supersymmetry Breaking in Three Dimensional Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 3', 'Chern-Simons term', 'supersymmetry, symmetry breaking', 'symmetry, spontaneously broken', 'Kaluza-Klein model', 'spontaneous compactification, torus', 'membrane model, p-brane', 'p-brane, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908075'] | ['It is shown that supersymmetry is spontaneously broken in certain three-dimensional supersymmetric gauge theories, by using the s-rule in their string theory realization as brane configurations. In particular, supersymmetry is broken in N=3 supersymmetric Yang-Mills-Chern-Simons theory with gauge group SU(n) and CS c... | ['1999-08-11'] |
5,404 | ['eng'] | ['Casher, Aharon', 'Shamir, Y'] | ['Feynman rules for non-perturbative sectors and anomalous supersymmetry Ward identities'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'anomaly', 'instanton', 'nonperturbative', 'perturbation theory, higher-order', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908074'] | ["We show that supersymmetry Ward identities contain an anomalous term which takes the form of a surface term in Hilbert space. In the one-instanton sector the anomalous term is the integral of a total rho-derivative where rho is the instanton's size. There are cases where the anomalous term is non-zero, and cannot be ... | ['1999-08-11'] |
5,405 | ['eng'] | ['Adler, R J', 'Santiago, D I'] | ['On a Generalization in Quantum Theory'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation', 'quantization', 'Hamiltonian formalism', 'operator, algebra', 'uncertainty relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908073'] | ['We here consider a generalization of the Klein-Gordon scalar wave equation which involves a single arbitrary function. The quantization may be viewed as allowing $\\hbar$ to be a function of the momentum or wave vector rather than a constant. The generalized theory is most easily viewed in the wave vector space analo... | ['1999-08-10'] |
5,406 | ['eng'] | ['Aldazabal, G', 'Uranga, A M'] | ['Tachyon-free Non-supersymmetric Type IIB Orientifolds via Brane-Antibrane Systems'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'dimension, 6', 'dimension, 4', 'spontaneous compactification', 'orientifold', 'partition function', 'particle, multiplet', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908072'] | ["We derive the rules to construct type IIB compact orientifolds in six and four dimensions including D-branes and anti-D-branes. Even though the models are non-supersymmetric due to the presence of the anti-D-branes, we show that it is easy to construct large classes of models free of tachyons. Brane-antibrane annihil... | ['1999-08-10'] |
5,407 | ['eng'] | ["O'Driscoll, D"] | ['Towards a supersymmetric classification of D-brane configurations with odd spin structure'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry', 'scattering amplitude', 'phase space', 'boundary condition', 'fluctuation', 'fermion, zero mode', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908071'] | ['We consider the construction of a general tree level amplitude for the interactions between dynamical D-branes where the configurations have non-zero odd spin structure. Using Riemann Theta Identities we map the conditions for the preservation of some supersymmetry to a set of integer matrices satisfying a simple but... | ['1999-08-10'] |
5,408 | ['eng'] | ['Diakonov, D I'] | ['Vortex solution in 2+1 dimensional Yang-Mills theory at high temperatures'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'finite temperature, high', 'dimension, 3', 'vortex', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908069'] | ['At high temperatures the A_0 component of the Yang--Mills field plays the role of the Higgs field, and the 1-loop potential V(A_0) plays the role of the Higgs potential. We find a new stable vortex solution of the Abrikosov-Nielsen-Olesen type, and discuss its properties and possible implications.'] | ['1999-08-10'] |
5,409 | ['eng'] | ['Filippov, A T', 'Ivanov, V G'] | ['Global Properties of Exact Solutions in Integrable Dilaton-Gravity Models'] | ['Particle Physics - Theory'] | ['talk, Dubna 1998/07/13', 'gravitation', 'dilaton', 'field equations, solution', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908068'] | ['Global canonical transformations to free chiral fields are constructed for DG models minimally coupled to scalar fields. The boundary terms for such canonical transformations are shown to vanish in asymptotically static coordinates if there is no scalar field.'] | ['1999-08-10'] |
5,410 | ['eng'] | ['Haack, M', 'Louis, J'] | ['Aspects of Heterotic/M-Theory Duality in D=3'] | ['Particle Physics - Theory'] | ['talk, Cargese 1999/05/24', 'M-theory', 'string model, heterotic', 'dimension, 3', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908067'] | ['We study the duality between M-theory compactified on Calabi-Yau fourfolds and the heterotic string compactified on Calabi-Yau threefolds times a circle. Our analysis is based on a comparison of the low energy effective actions in three dimensions.'] | ['1999-08-10'] |
5,411 | ['eng'] | ['Nojiri, S', 'Odintsov, S D', 'Ogushi, S', 'Sugamoto, A', 'Yamamoto, M'] | ['Axion-Dilatonic Conformal Anomaly from Ads/CFT Correspondence'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'axion', 'anomaly, conformal', 'field theory, conformal', 'field theory, anti-de Sitter', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908066'] | ['We discuss general multidimensional axion-dilatonic AdS gravity which may correspond to bosonic sector of Gibbons-Green-Perry (compactified) IIB supergravity with RR-scalar (axion). Using AdS/CFT correspondence the 4d conformal anomaly on axion-dilaton-gravitational background is found from SG side. It is shown that ... | ['1999-08-10'] |
5,412 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Strong Coupling Limit of N=2 SCFT Free Energy and Higher Derivative AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'supersymmetry', 'field theory, action', 'derivative, high', 'approximation, strong coupling', 'energy', 'perturbation theory, higher-order', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908065'] | ['We study the role of higher derivative terms (Riemann curvature squared ones) in thermodynamics of SCFTs via AdS/CFT correspondence. Using IIB string effective action (d5 AdS gravity) with such HD terms deduced from heterotic string via duality we calculate strong coupling limit of ${\\cal N}=2$ SCFT free energy with... | ['1999-08-10'] |
5,413 | ['eng'] | ['Angelantonj, Carlo'] | ['Comments on Open-String Orbifolds with a Non-Vanishing $B_{ab}$'] | ['Particle Physics - Theory'] | ['string model, open', 'orbifold', 'field theory, tensor', 'flux', 'membrane model, D-brane', 'scattering amplitude, higher-order', 'particle, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908064'] | ['We study the effect of a non-vanishing flux for the NS-NS antisymmetric tensor in open-string orbifolds. As in toroidal models, the total dimension of the Chan-Paton gauge group is reduced proportionally to the rank of $B_{ab}$, both on D9 and on D5-branes, while the Moebius amplitude involves some signs that, in the... | ['1999-08-10'] |
5,414 | ['eng'] | ['Kim, C H', 'Park, Y J'] | ['Consistent Superalgebraic Truncations from D=5, N=5 Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'algebra, SU(5/2)', 'symmetry breaking', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908063'] | ['We study a novel five-dimensional, {\\it N}=5 supergravity in the context of Lie superalgebra SU(5/2). The possible successive superalgebraic truncations from {\\it N}=5 theory to the lower supersymmetric {\\it N}=4,3,2, and 1 supergravity theories are systematically analyzed as a sub-superalgebraic chain of SU(5/2)$... | ['1999-08-10'] |
5,415 | ['eng'] | ['Kubota, K I', 'Terao, H'] | ['Nonperturbative Renormalization Group and Renormalizability of Gauged NJL Model'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'gauge field theory', 'nonperturbative', 'renormalization group, transformation', 'critical phenomena', 'asymptotic freedom', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908062'] | ['Non-perturbative renormalizability, or non-triviality, of the gauged Nambu-Jona-Lasinio (NJL) model in four dimensions is examined by using non-perturbative (exact) renormalization group in large $N_c$ limit. When running of the gauge coupling is asymptotically free and slow enough, the two dimensional renormalized t... | ['1999-08-10'] |
5,416 | ['eng'] | ['Gaberdiel, M R', 'Sen, A'] | ['Non-supersymmetric D-Brane Configurations with Bose-Fermi Degenerate Open String Spectrum'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model', 'soliton, BPS', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908060'] | ['The spectrum of open strings on various non-BPS D-brane configurations in type II string theory on a K3 orbifold is analysed. At a generic point in the corresponding moduli space the spectrum of open strings does not have any degeneracy between bosonic and fermionic states. However, there exist special values for the... | ['1999-08-10'] |
5,417 | ['eng'] | ['Feng, S S', 'Yao, Z', 'Zhao, D P', 'Zang, D S'] | ['2+1 Dimensional Fermion Determinant in a Constant Background Field at Finite Temperature and Density'] | ['Particle Physics - Theory'] | ['fermion, determinant', 'dimension, 3', 'background field, constant', 'finite temperature', 'density, finite', 'potential, chemical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908059'] | ['We evaluate exactly both the non-relativistic and relativistic fermion determinant in 2+1 dimensions in a constant background field at finite temperature. The effect of finite chemical potential is also considered. In both cases, the systems are decoupled into an infinite number of 1+1 fermions by Fourier transformat... | ['1999-08-10'] |
5,418 | ['eng'] | ['Feng, S S', 'Ni, G J'] | ['Gaussian Effective Potential Analysis of Sinh(Sine)-Gordon Models by New Regularization-Renormalization Scheme'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'sinh-Gordon equation', 'dimension, 1-3', 'regularization, dependence', 'renormalization', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908058'] | ['Using the new regularization and renormalization scheme recently proposed by Yang and used by Ni et al, we analyse the sine-Gordon and sinh-Gordon models within the framework of Gaussian effective potential in D+1 dimensions. Our analysis suffers no divergence and so does not suffer from the manipulational obscuritie... | ['1999-08-10'] |
5,419 | ['eng'] | ['Dvoeglazov, V V'] | ['Again on the possible compositeness of the photon'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'photon, model', 'model, composite', 'neutrino, bound state', 'spinor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908057'] | ['We construct the transversal and longitudinal 4-vector potentials and strengths F^{\\mu\\nu} in the momentum representation on using the second-type 4-spinors recently proposed by Ahluwalia. Questions of relevance of this kind of theories to the correct photon statistics are briefly discussed.'] | ['1999-08-10'] |
5,420 | ['eng'] | ['Bigatti, D', 'Susskind, Leonard'] | ['Magnetic fields, branes and noncommutative geometry'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'phase space', 'differential geometry, noncommutative', 'membrane model', 'magnetic field', 'string model', 'perturbation theory', 'operator, vertex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908056'] | ["We construct a simple physical model of a particle moving on the infinite noncommutative 2-plane. The model consists of a pair of opposite charges moving in a strong magnetic field. In addition, the charges are connected by a spring. In the limit of large magnetic field, the charges are frozen into the lowest Landau ... | ['1999-08-10'] |
5,421 | ['eng'] | ['Lu, W F'] | ['Restoration and Dynamical Breakdown of the $\\Phi \\to -\\Phi$ Symmetry in the (1+1)-dimensional Massive sine-Gordon Field Theory'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'symmetry, dynamically broken', 'symmetry, spontaneously broken', 'finite temperature', 'effective potential', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908055'] | ['Within the framework of the Gaussian wave-functional approach, we investigate the influences of quantum and finite-temperature effects on the Z_2-symmetry(\\phi \\to -\\phi) of the (1+1)-dimensional massive sine-Gordon field theory. It is explicitly demonstrated that by quantum effects the Z_2-symmetry can be restore... | ['1999-08-10'] |
5,422 | ['eng'] | ['Eremin, S', 'Ivanov, E'] | ['Holomorphic Effective Action of N=2 SYM Theory from Harmonic Superspace with Central Charges'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'superspace, harmonic', 'central charge', 'effective action', 'perturbation theory, higher-order', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908054'] | ["We compute the one-loop holomorphic effective action of the massless Cartan sector of N=2 SYM theory in the Coulomb branch, taking into account the contributions both from the charged hypermultiplets and off-diagonal components of the gauge superfield. We use the manifestly supersymmetric harmonic superfields diagram... | ['1999-08-10'] |
5,423 | ['eng'] | ['Polshin, S A', 'Zheltukhin, A A'] | ['Tensionless strings and the space-time signature change'] | ['Particle Physics - Theory'] | ['string model', 'field equations, solution', 'space-time, signature'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908053'] | ['We construct a tensionless string model in a four-dimensional space-time ${\\bf R}^{2,2}$ with the (2,2) signature and solve the string equations. We find that the signature change radically changes the structure of the holonomy group of the null worldsheet. As a result the introduction of the worldsheet Dirac operat... | ['1999-08-09'] |
5,424 | ['eng'] | ['Hawkins, E'] | ['Noncommutative Regularization for the Practical Man'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'space, S(2)', 'quantization', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908052'] | ['It has been proposed that the noncommutative geometry of the "fuzzy" 2-sphere provides a nonperturbative regularization of scalar field theories. This generalizes to compact Kaehler manifolds where simple field theories are regularized by the geometric quantization of the manifold. In order to permit actual calculati... | ['1999-08-09'] |
5,425 | ['eng'] | ['Szabo, R J'] | ['Topological Field Theory and Quantum Holonomy Representations of Motion Groups'] | ['Particle Physics - Theory'] | ['field theory, topological', 'field theory, tensor', 'field theory, BF', 'space-time', 'any-dimensional', 'fibre bundle', 'Hamiltonian formalism', 'temporal gauge', 'group theory, representation', 'mathematical methods', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908051'] | ['Canonical quantization of abelian BF-type topological field theory coupled to extended sources on generic d-dimensional manifolds and with curved line bundles is studied. Sheaf cohomology is used to construct the appropriate topological extension of the action and the topological flux quantization conditions, in term... | ['1999-08-09'] |
5,426 | ['eng'] | ['Belavin, A A', 'Stroganov, Yu G'] | ['Minimal Models of Integrable Lattice Theory and Truncated Functional Equations'] | ['Particle Physics - Theory'] | ['statistical mechanics', 'integrability', 'boundary condition', 'quantum group, representation', 'Bethe ansatz', 'operator, algebra', 'algebra, fusion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908050'] | ["We consider the integrable XXZ model with the special open boundary conditions. We perform Quantum Group reduction of this model in roots of unity and use it for the definition Minimal Models of Integrable lattice theory. It is shown that after this Quantum Group reduction Sklyanin's transfer-matrices satisfy the clo... | ['1999-08-09'] |
5,427 | ['eng'] | ['Krogh, M'] | ['Noncommutative Geometry and Twisted Little-String Theories'] | ['Particle Physics - Theory'] | ['thesis', 'string model', 'gauge field theory, fibre bundle', 'background field', 'differential geometry, noncommutative', 'instanton', 'spontaneous compactification', 'duality', 'particle, multiplet', 'group theory, representation', 'symmetry breaking, Wilson loop', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908049'] | ['In this thesis we will discuss various aspects of noncommutative geometry and compactified Little-String theories. First we will give an introduction to the use of noncommutative geometry in string theory. Thereafter we will present a proof of the connection between D-brane dynamics and noncommutative geometry. Then ... | ['1999-08-09'] |
5,428 | ['eng'] | ['Mahapatra, S'] | ['Eguchi-Hanson metric from various limits'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'astrophysics, fundamental constant', 'space-time, Eguchi-Hanson'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908048'] | ['In this note, we review various seemingly different ways of obtaining Eguchi-Hanson metric with or without a cosmological constant term. Interestingly, the conformal class of metric corresponding to hyperbolic $n$-monopole solution obtained from the generalized Gibbons-Hawking ansatz, reduces to the Eguchi-Hanson met... | ['1999-08-06'] |
5,429 | ['eng'] | ['Chamblin, A', 'Perry, M J', 'Reall, H S'] | ['Non-BPS D8-branes and Dynamic Domain Walls in Massive IIA Supergravities'] | ['Particle Physics - Theory'] | ['supergravity', 'domain wall', 'membrane model, D-brane', 'membrane model, p-brane', 'D-brane, 8', 'field equations, solution', 'approximation, quasiclassical', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908047'] | ['We study the D8-branes of the Romans massive IIA supergravity theory using the coupled supergravity and worldvolume actions. D8 branes can be regarded as domain walls with the jump in the extrinsic curvature at the brane given by the Israel matching conditions. We examine the restrictions that these conditions place ... | ['1999-08-06'] |
5,430 | ['eng'] | ['Runkel, I'] | ['Structure constants for the D-series Virasoro minimal models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'algebra, Virasoro', 'model, minimal', 'algebra, representation', 'partition function', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908046'] | ['In this paper expressions are given for the bulk and boundary structure constants of D-series Virasoro minimal models on the upper half plane. It is the continuation of an earlier work on the A-series. The solution for the boundary theory is found first and then extended to the bulk. The modular invariant bulk field ... | ['1999-08-06'] |
5,431 | ['eng'] | ['McArthur, I N'] | ['$\\kappa$ Symmetry of Green-Schwarz Actions in Coset Superspaces'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry, superspace', 'kappa symmetry', 'coset space', 'group theory, Lorentz', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908045'] | ["The nature of kappa-symmmetry transformations is examined for p-branes embedded in a class of coset superspaces G/H, where G is an appropriate supergroup and H is the Lorentz subgroup. It is shown that one of the conditions $\\delta Z^M \\, E_M{}^a$ which characterizes kappa-symmetry transformations arises very natur... | ['1999-08-06'] |
5,432 | ['eng'] | ['Michelson, J', 'Strominger, A'] | ['Superconformal Multi-Black Hole Quantum Mechanics'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'black hole', 'soliton, BPS', 'moduli space', 'quantum mechanics, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908044'] | ['The quantum mechanics of N slowly-moving charged BPS black holes in five-dimensional ${\\cal N}=1$ supergravity is considered. The moduli space metric of the N black holes is derived and shown to admit 4 supersymmetries. A near-horizon limit is found in which the dynamics of widely separated black holes decouples fro... | ['1999-08-06'] |
5,433 | ['eng'] | ['Aoki, K', 'Morikawa, K', 'Sumi, J I', 'Terao, H', 'Tomoyose, M'] | ['Analysis of the Wilsonian Effective Potentials in Dynamical Chiral Symmetry Breaking'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion, chiral', 'effective potential', 'symmetry breaking, chiral', 'symmetry, dynamically broken', 'critical phenomena', 'renormalization group', 'perturbation theory, higher-order', 'Dyson-Schwinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908043'] | ['The non-perturbative renormalization group equation for the Wilsonian effective potential is given in a certain simple approximation scheme in order to study chiral symmetry breaking phenomena dynamically induced by strong gauge interactions. The evolving effective potential is found to be non-analytic in infrared, w... | ['1999-08-06'] |
5,434 | ['eng'] | ['Aoki, K', 'Morikawa, K', 'Sumi, J I', 'Terao, H', 'Tomoyose, M'] | ['Wilson Renormalization Group Equations for the Critical Dynamics of Chiral Symmetry'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion, massless', 'symmetry breaking, chiral', 'symmetry, dynamically broken', 'renormalization group', 'perturbation theory, higher-order', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908042'] | ['The critical dynamics of the chiral symmetry breaking induced by gauge interaction is examined in the Wilson renormalization group framework in comparison with the Schwinger-Dyson approach. We derive the beta functions for the four-fermi couplings in the sharp cutoff renormalzation group scheme, from which the critic... | ['1999-08-06'] |
5,435 | ['eng'] | ['Berkovits, N'] | ['Quantization of the Type II Superstring in a Curved Six-Dimensional Background'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'dimension, 6', 'space-time', 'quantization', 'operator, vertex', 'spontaneous compactification', 'sigma model, nonlinear', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908041'] | ['A sigma model action with N=2 D=6 superspace variables is constructed for the Type II superstring compactified to six curved dimensions with Ramond-Ramond flux. The action can be quantized since the sigma model is linear when the six-dimensional spacetime is flat. When the six-dimensional spacetime is $AdS_3\\times S... | ['1999-08-06'] |
5,436 | ['eng'] | ['Alekseev, A Yu', 'Recknagel, A', 'Schomerus, V'] | ['Non-commutative World-volume Geometries'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model, open', 'operator, vertex', 'Wess-Zumino-Witten model, SU(2)', 'approximation, quasiclassical', 'operator, algebra', 'Clebsch-Gordan coefficients', 'sphere, fuzzy', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908040'] | ['The geometry of D-branes can be probed by open string scattering. If the background carries a non-vanishing B-field, the world-volume becomes non-commutative. Here we explore the quantization of world-volume geometries in a curved background with non-zero Neveu-Schwarz 3-form field strength H = dB. Using exact and ge... | ['1999-08-05'] |
5,437 | ['eng'] | ['Gabadadze, Gregory T', 'Kakushadze, Z'] | ['A Remark on Witten Effect for QCD Monopoles in Matrix Quantum Mechanics'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, Theta parameter', 'magnetic monopole', 'dyon', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908039'] | ["In a recent work (hep-th/9805198) we argued that a certain matrix quantum mechanics may describe 't Hooft's monopoles which emerge in QCD when the theory is projected to its maximal Abelian subgroup. In this note we find further evidence which supports this interpretation. We study the theory with a non-zero theta-te... | ['1999-08-05'] |
5,438 | ['eng'] | ['Aoki, H', 'Iso, S', 'Kawai, H', 'Kitazawa, Y', 'Tada, T', 'Tsuchiya, A'] | ['IIB Matrix Model'] | ['Particle Physics - Theory'] | ['talk, Nishinomiya 1998/11/12', 'talk, Kyoto 1998/11/16', 'string model', 'supersymmetry', 'matrix model', 'dimension, 10', 'Wilson loop, field equations', 'Hamiltonian formalism', 'light cone gauge', 'scaling', 'invariance, diffeomorphism', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908038'] | ['We review our proposal for a constructive definition of superstring, type IIB matrix model. The IIB matrix model is a manifestly covariant model for space-time and matter which possesses N=2 supersymmetry in ten dimensions. We refine our arguments to reproduce string perturbation theory based on the loop equations. W... | ['1999-08-05'] |
5,439 | ['eng'] | ['Bytsenko, A A', 'Gonçalves, A E', 'Williams, F L'] | ['Chern-Simons Invariants of Closed Hyperbolic 3-Manifolds'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 3', 'Chern-Simons term', 'fermion', 'index theorem', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908037'] | ['The Chern-Simons invariants of irreducible U(n)- flat connections on compact hyperbolic 3-manifolds of the form {\\Gamma}\\H^3 are derived. The explicit formula for the Chern-Simons functional is given in terms of Selberg type zeta functions related to the twisted eta invariants of Atiyah-Patodi-Singer.'] | ['1999-08-05'] |
5,440 | ['eng'] | ['Behrend, R E', 'Pearce, P A', 'Petkova, V B', 'Zuber, J B'] | ['Boundary Conditions in Rational Conformal Field Theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'field theory, rational', 'boundary condition', 'graph theory', 'algebra, fusion', 'partition function', 'Riemann surfaces, higher-order', 'correlation function', 'operator product expansion', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908036'] | ["We develop further the theory of Rational Conformal Field Theories (RCFTs) on a cylinder with specified boundary conditions emphasizing the role of a triplet of algebras: the Verlinde, graph fusion and Pasquier algebras. We show that solving Cardy's equation, expressing consistency of a RCFT on a cylinder, is equival... | ['1999-08-05'] |
5,441 | ['eng'] | ['Hollowood, Timothy J', 'Khoze, V V'] | ['ADHM and D-instantons in orbifold AdS/CFT duality'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'orbifold', 'duality', 'gauge field theory, U(N)', 'supersymmetry', 'instanton', 'fluctuation, determinant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908035'] | ['We consider ADHM instantons in product group gauge theories that arise from D3-branes located at points in the orbifold R^6/Z_p. At finite $N$ we argue that the ADHM construction and collective coordinate integration measure can be deduced from the dynamics of D-instantons in the D3-brane background. For the large-N ... | ['1999-08-05'] |
5,442 | ['eng'] | ['Fosco, C D', 'Trinchero, R C'] | ['Domain walls and dimensional reduction'] | ['Particle Physics - Theory'] | ['fermion, propagator', 'any-dimensional', 'dimensional reduction', 'domain wall', 'partition function', 'effective action', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908034'] | ['We study some properties of a dimensional reduction mechanism for fermions in an odd number D+1 of spacetime dimensions. A fermionic field is equipped with a mass term with domain wall like defects along one of the spacelike dimensions, which is moreover compactified. We show that there is a regime such that the only... | ['1999-08-05'] |
5,443 | ['eng'] | ['Antonov, D V'] | ['Ensemble of Vortex Loops in the Abelian-Projected SU(3)-Gluodynamics'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'fermion', 'partition function', 'vortex, gas', 'loop space', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908033'] | ['Grand canonical ensemble of small vortex loops emerging in the London limit of the effective Abelian-projected theory of the SU(3)-gluodynamics is investigated in the dilute gas approximation. An essential difference of this system from the SU(2)-case is the presence of two interacting gases of vortex loops. Two alte... | ['1999-08-05'] |
5,444 | ['eng'] | ['Davydychev, A I'] | ['Geometrical approach to Feynman integrals and the $\\epsilon$-expansion'] | ['Particle Physics - Theory'] | ['talk, Heraklion 1999/04/12', 'Feynman graph, higher-order', 'epsilon expansion', 'geometry', 'propagator', 'n-point function, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908032'] | ['Application of the geometrically-inspired representations to the epsilon-expansion of the two-point function with different masses is considered. Explicit result for an arbitrary term of the expansion is obtained in terms of log-sine integrals. Construction of the epsilon-expansion in the three-point case is also dis... | ['1999-08-05'] |
5,445 | ['eng'] | ['Biro, T S', 'Matinyan, S G', 'Müller, B'] | ['Quantum Dynamics from Classical Dissipative Systems'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'field theory, classical', 'quantization', 'finite temperature', 'energy', 'entropy', 'Langevin equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908031'] | ["We argue that classical non-Abelian gauge theory provides an example of 't Hooft's scenario, in which quantum mechanics is generated at large distances in a classical dynamical system. Using the known properties of thermal field theories, we show how the transformation from classical to quantum dynamics emerges. Plan... | ['1999-08-05'] |
5,446 | ['eng'] | ['Billó, M', 'Craps, B', 'Roose, F'] | ['Anomalous couplings of type 0 D-branes'] | ['Particle Physics - Theory'] | ['talk, Cargese 1999/05/24', 'membrane model, D-brane', 'membrane model, p-brane', 'string model', 'coupling, anomaly', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908030'] | ['Closed type 0 string theories and their D-branes are introduced. The full Wess-Zumino action of these D-branes is derived. The analogy with type II is emphasized throughout the argument.'] | ['1999-08-05'] |
5,447 | ['eng'] | ['Billó, M', 'Craps, B', 'Roose, F'] | ['Anomalous couplings of non-BPS D-branes'] | ['Particle Physics - Theory'] | ['talk, Cargese 1999/05/24', 'membrane model, D-brane', 'string model', 'soliton, BPS', 'anomaly', 'tachyon', 'field theory, tensor', 'action', 'Wess-Zumino term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908029'] | ['Non-BPS type II D-branes couple to R-R potentials via an action that, upon tachyon condensation, gives rise to the Wess-Zumino action of BPS D-branes.'] | ['1999-08-05'] |
5,448 | ['eng'] | ['Buchbinder, I L', 'Krykhtin, V A', 'Pershin, V D'] | ['On Consistent Equations for Massive Spin-2 Field Coupled to Gravity in String Theory'] | ['Particle Physics - Theory'] | ['string model', 'gravitation', 'spin, 2', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908028'] | ["We investigate the problem of derivation of consistent equations of motion for the massive spin 2 field interacting with gravity within both field theory and string theory. In field theory we derive the most general classical action with non-minimal couplings in arbitrary spacetime dimension and find the most general... | ['1999-08-05'] |
5,449 | ['eng'] | ['Khare, A'] | ['Fractional Statistics and Chern-Simons Field Theory in 2+1 Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'dimension, 3', 'Chern-Simons term', 'vortex', 'anyon', 'statistics, fractional', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908027'] | ['The question of anyons and fractional statistics in field theories in 2+1 dimensions with Chern-Simons (CS) term is discussed in some detail. Arguments are spelled out as to why fractional statistics is only possible in two space dimensions. This phenomenon is most naturally discussed within the framework of field th... | ['1999-08-05'] |
5,450 | ['eng'] | ['González-Arroyo, A', 'Peña, C'] | ['Large N corrections to the strong coupling behaviour of $SU(N)/Z_{N}$ lattice gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)/Z(N)', 'lattice field theory', 'expansion 1/N', 'Wilson loop', 'fermion', 'gluino, condensation', 'propagator', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908026'] | ['We derive a formula for the large N behaviour of the expectation values of an arbitrary product of Wilson loops in the adjoint representation. We show the consequences of our formula for the study of the large N strong coupling behaviour of SU(N)/Z_N pure gauge theories, and theories with matter fields in the adjoint... | ['1999-08-05'] |
5,451 | ['eng'] | ['Fuchs, J', 'Schweigert, C'] | ['Symmetry breaking boundaries; 2, More structures'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'orbifold', 'symmetry breaking', 'Ward identity', 'correlation function', 'boundary condition', 'group theory', 'fibre bundle', 'duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908025'] | ['Various structural properties of the space of symmetry breaking boundary conditions that preserve an orbifold subalgebra are established. To each such boundary condition we associate its automorphism type. It is shown that correlation functions in the presence of such boundary conditions are expressible in terms of t... | ['1999-08-04'] |
5,452 | ['eng'] | ['Ghosh, A', 'Madden, R', 'Veneziano, Gabriele'] | ['Back-Reaction to Dilaton-Driven Inflation'] | ['Particle Physics - Theory'] | ['inflationary universe', 'gravitation', 'dilaton', 'back reaction', 'gauge field theory, Yang-Mills', 'fluctuation', 'path integral', 'propagator', 'perturbation theory, higher-order', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908024'] | ['We compute the leading-order back-reaction to dilaton-driven inflation, due to graviton, dilaton and gauge-boson production. The one-loop effect turns out to be non-vanishing (unlike the case for pure de-Sitter and for power-law inflation), to be of relative order $\\ell_P^2H^2(t)$, and to have the correct sign for f... | ['1999-08-04'] |
5,453 | ['eng'] | ['Antoniadis, Ignatios', 'Dudas, E A', 'Sagnotti, A'] | ['Brane Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'string model', 'supersymmetry, symmetry breaking', 'orientifold', 'tachyon', 'dimension, 6', 'gauge field theory, hierarchy', 'stability', 'perturbation theory, higher-order', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908023'] | ['We show how to construct chiral tachyon-free perturbative orientifold models, where supersymmetry is broken at the string scale on a collection of branes while, to lowest order, the bulk and the other branes are supersymmetric. In higher orders, supersymmetry breaking is mediated to the remaining sectors, but is supp... | ['1999-08-04'] |
5,454 | ['eng'] | ['Caldarelli, M M', 'Cognola, G', 'Klemm, D'] | ['Thermodynamics of Kerr-Newman-AdS Black Holes and Conformal Field Theories'] | ['Particle Physics - Theory'] | ['black hole', 'field theory, conformal', 'field theory, anti-de Sitter', 'thermodynamics', 'relativity theory, general', 'gauge field theory, U(1)', 'field theory, Euclidean', 'critical phenomena', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908022'] | ['We study the thermodynamics of four-dimensional Kerr-Newman-AdS black holes both in the canonical and the grand-canonical ensemble. The stability conditions are investigated, and the complete phase diagrams are obtained, which include the Hawking-Page phase transition in the grand-canonical ensemble. In the canonical... | ['1999-08-04'] |
5,455 | ['eng'] | ['Schrör, B'] | ['New Concepts in Particle Physics from Solution of old Problem'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'operator, algebra', 'S-matrix', 'form factor', 'entropy', 'transformation, modular', 'holography', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908021'] | ["This is a survey on recent progress in the understanding of some profound issues concerning the relation between on- and off-shell concepts in local quantum physics. Proofs for special situations have already appeared in previous publications. This present frame built on modular localization is wide enough to cover s... | ['1999-08-04'] |
5,456 | ['eng'] | ['Gopakumar, R', 'Green, M B'] | ['Instantons and Non-renormalisation in AdS/CFT'] | ['Particle Physics - Theory'] | ['instanton', 'gauge field theory, SU(N)', 'supersymmetry', 'current, correlation function', 'space-time, anti-de Sitter', 'field theory, conformal', 'expansion 1/N', 'graviton, scattering amplitude', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908020'] | ["The series of perturbative fluctuations around a multi-instanton contribution to a specific class of correlation functions of supercurrents in $\\cal N=4$ supersymmetric SU(N) Yang--Mills theory is examined in the light of the AdS/CFT correspondence. Subject to certain plausible assumptions, we argue that a given ter... | ['1999-08-04'] |
5,457 | ['eng'] | ['Pioline, B', 'Schwarz, A'] | ['Morita equivalence and T-duality (or B versus $\\Theta$)'] | ['Particle Physics - Theory'] | ['M-theory', 'duality', 'gauge field theory, Yang-Mills', 'torus, noncommutative', 'symmetry, SO(N)', 'Born-Infeld model', 'supersymmetry', 'mass formula, BPS', 'background, magnetic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908019'] | ["T-duality in M(atrix) theory has been argued to be realized as Morita equivalence in Yang-Mills theory on a non-commutative torus (NCSYM). Even though the two have the same structure group, they differ in their action since Morita equivalence makes crucial use of an additional modulus on the NCSYM side, the constant ... | ['1999-08-04'] |
5,458 | ['eng'] | ['Brecher, D', 'Perry, M J'] | ['Ricci-Flat Branes'] | ['Particle Physics - Theory'] | ['membrane model', 'holonomy', 'field equations', 'spinor, Killing', 'duality', 'domain wall', 'supergravity', 'instanton', 'soliton', 'dimension, 10', 'dimension, 11'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908018'] | ["Up to overall harmonic factors, the D8-brane solution of the massive type IIA supergravity theory is the product of nine-dimensional Minkowski space (the worldvolume) with the real line (the transverse space). We show that the equations of motion allow for the worldvolume metric to be generalised to an arbitrary Ricc... | ['1999-08-04'] |
5,459 | ['eng'] | ['Ishihara, S', 'Kataoka, H', 'Sato, H'] | ['D=4, N=1, Type IIA Orientifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'orientifold', 'scattering amplitude, higher-order', 'duality', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908017'] | ["We study D=4, N=1, type IIA orientifold with orbifold group $Z_N$ and $Z_N and Mobius strip and extract the tadpole divergences. We find that the tadpole cancellation conditions thus obtained are satisfied by the $Z_4$, $Z_8$, $Z'_8$, $Z'_{12}$ orientifolds while there is no solution for $Z_3$, $Z_7$, $Z_6$, $Z'_6$, ... | ['1999-08-04'] |
5,460 | ['eng'] | ['Fauser, B', 'Dehnen, H'] | ['Isospin from Spin by Compositenes'] | ['Particle Physics - Theory'] | ['talk, Zacatecas 1999/06/23', 'isospin', 'spin', 'bound state, nonlocal', 'model, geometrical', 'group theory, Lorentz', 'spinor', 'coupling, gauge', 'gauge field theory, SU(2)', 'algebra, Clifford'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908015'] | ['We propose a new method to generate the internal isospin degree of freedom by non-local bound states. This can be seen as motivated by Bargmann-Wigner like considerations, which originated from local spin coupling. However, our approach is not of purely group theoretical origin, but emerges from a geometrical model. ... | ['1999-08-03'] |
5,461 | ['eng'] | ['Anselmi, D'] | ['Towards the classification of conformal field theories in arbitrary dimension'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'any-dimensional', 'renormalization group', 'anomaly', 'central charge', 'tensor, energy-momentum', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908014'] | ['I identify the subclass of higher-dimensional conformal field theories that is most similar to two-dimensional conformal field theory. In this subclass the domain of validity of the recently proposed formula for the irreversibility of the renormalization-group flow is suitably enhanced. The trace anomaly is quadratic... | ['1999-08-03'] |
5,462 | ['eng'] | ['Li, T'] | ['Scale, Gauge Couplings, Soft Terms and Toy Compactification in M-theory on $S^{1}/Z_{2}$'] | ['Particle Physics - Theory'] | ['M-theory', 'dimension, 11', 'supersymmetry, symmetry breaking', 'spontaneous compactification', 'coupling constant', 'mass spectrum', 'perturbation theory, higher-order', 'space-time, Calabi-Yau', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908013'] | ["In M-theory on $S^1/Z_2$, we point out that to be consistant, we should keep the scale, gauge couplings and soft terms at next order, and obtain the soft term relations $M_{1/2} = -A$, $|{{M_{0}}/{M_{1/2}}}| \\leq {1/{\\sqrt 3}}$ in the standard embedding and $M_{1/2}=-A$ in the non-standard embedding with five brane... | ['1999-08-03'] |
5,463 | ['eng'] | ['Landsteiner, K', 'López, E'] | ['Probing the Strong Coupling Limit of Large N SYM on Curved Backgrounds'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'finite temperature', 'space-time', 'approximation, strong coupling', 'space-time, anti-de Sitter', 'field theory, conformal', 'black hole', 'membrane model', 'Wilson loop', 'screening, length', 'critical phenomena', 'potential, static'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908010'] | ['According to the AdS/CFT correspondence, the strong coupling limit of large n, N=4 supersymmetric gauge theory at finite temperature is described by asymptotically anti de Sitter black holes. These black holes exist with planar, spherical and hyperbolic horizon geometries. We concentrate on the hyperbolic and spheric... | ['1999-08-03'] |
5,464 | ['eng'] | ['Tomasiello, A'] | ['Projective resolutions of coherent sheaves and descent relations between branes'] | ['Particle Physics - Theory'] | ['membrane model', 'tachyon', 'fibre bundle', 'K-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908009', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We notice that, for branes wrapped on complex analytic subvarieties, the algebraic-geometric version of K-theory makes the identification between brane-antibrane pairs and lower-dimensional branes automatic. This is because coherent sheaves on the ambient variety represent gauge bundles on subvarieties, and they can ... | ['1999-08-03'] |
5,465 | ['eng'] | ['Song, J S'] | ['Three-Dimensional Gorenstein Singularities and SU(3) Modular Invariants'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'Landau-Ginzburg model', 'dimension, 2', 'invariance, SU(3)', 'invariance, modular', 'potential', 'geometry, algebra', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908008', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['Using N=2 Landau-Ginzburg theories, we examine the recent conjectures relating the SU(3) WZW modular invariants, finite subgroups of SU(3) and Gorenstein singularities. All isolated three-dimensional Gorenstein singularities do not appear to be related to any known Landau-Ginzburg theories, but we present some curiou... | ['1999-08-03'] |
5,466 | ['eng'] | ['Böhm, R', 'Günther, H', 'Herrmann, C F', 'Louis, J'] | ['Compactification of Type IIB String Theory on Calabi-Yau Threefolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'supergravity', 'spontaneous compactification', 'effective Lagrangian', 'field theory, Calabi-Yau', 'differential geometry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908007'] | ['We study compactifications of type IIB supergravity on Calabi-Yau threefolds. The resulting low energy effective Lagrangian is displayed in the large volume limit and its symmetry properties - with specific emphasis on the SL(2,Z) - are discussed. The explicit map to type IIA string theory compactified on a mirror Ca... | ['1999-08-03'] |
5,467 | ['eng'] | ['Bordag, M', 'Skalozub, V'] | ['On Symmetry Restoration at Finite Temperature'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'finite temperature', 'symmetry, spontaneously broken', 'effective potential', 'mass spectrum', 'critical phenomena', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908003'] | ["We investigate the effective potential for a scalar $\\Phi^{4}$ theory with spontaneous symmetry breaking and finite temperature. All 'daisy' and 'super daisy' diagrams are summed up and the properties of the correspponding gap eqation are investigated. It is shown exactly that the phase transition is first order."] | ['1999-08-03'] |
5,468 | ['eng'] | ['Jarvis, P D', 'Corney, S P', 'Tsohantjis, I'] | ['Covariant spinor representation of $iosp(d,2/2)$ and quantization of the spinning relativistic particle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'spin', 'group theory, IOSp(N,2/2)', 'group theory, representation', 'quantization, Becchi-Rouet-Stora', 'quantization, Batalin-Vilkovisky', 'phase space', 'ghost', 'cohomology', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908002'] | ['A covariant spinor representation of $iosp(d,2/2)$ is constructed for the quantization of the spinning relativistic particle. It is found that, with appropriately defined wavefunctions, this representation can be identified with the state space arising from the canonical extended BFV-BRST quantization of the spinning... | ['1999-08-03'] |
5,469 | ['eng'] | ['Sundborg, B'] | ['The Hagedorn Transition, Deconfinement and N=4 SYM Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'space, S(3)', 'perturbation theory, higher-order', 'confinement', 'critical phenomena', 'symmetry, Z(N)', 'thermodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9908001'] | ['N=4 Super Yang-Mills theory supplies us with a non-Abelian 4D gauge theory with a meaningful perturbation expansion, both in the UV and in the IR. We calculate the free energy on a 3-sphere and observe a deconfinement transition for large N at zero coupling. The same thermodynamic behaviour is found for a wide class ... | ['1999-08-03'] |
5,470 | ['eng'] | ['Shadmi, Y', 'Shirman, Yu'] | ['Dynamical Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'symmetry, dynamically broken', 'R parity', 'Witten index', 'grand unified theory, SU(5)', 'gaugino, condensation', 'perturbation theory, higher-order', 'potential, flat direction', 'fermion, flavor', 'gauge field theory, SU(N)', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907225'] | ['Supersymmetry is one of the most plausible and theoretically motivated frameworks for extending the Standard Model. However, any supersymmetry in Nature must be a broken symmetry. Dynamical supersymmetry breaking (DSB) is an attractive idea for incorporating supersymmetry into a successful description of Nature. The ... | ['1999-08-02'] |
5,471 | ['eng'] | ['Donets, E E', 'Pashnev, A I', 'Rosales, J J', 'Tsulaia, M M'] | ['N=4 Supersymmetric Multidimensional Quantum Mechanics, Partial SUSY Breaking and Superconformal Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics, conformal', 'any-dimensional', 'superfield', 'supersymmetry, symmetry breaking', 'Lagrangian formalism', 'Hamiltonian formalism', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907224'] | ['The multidimensional N=4 supersymmetric quantum mechanics (SUSY QM) is constructed using the superfield approach. As a result the component form of the classical and quantum Lagrangian and Hamiltonian is obtained. In the considered SUSY QM both classical and quantum N=4 algebras include central charges and it opens v... | ['1999-08-02'] |
5,472 | ['eng'] | ['Sitenko, Yu A'] | ['Induced vacuum condensates in the background of a singular magnetic vortex in 2+1-dimensional space-time'] | ['Particle Physics - Theory'] | ['fermion, condensation', 'dimension, 3', 'vacuum state', 'vortex', 'symmetry breaking, chiral', 'parity, violation', 'energy, density'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907223'] | ['We show that the vacuum of the quantized massless spinor field in 2+1-dimensional space-time is polarized in the presence of a singular magnetic vortex. Depending on the choice of the boundary condition at the location of the vortex, either chiral symmetry or parity is broken; the formation of the appropriate vacuum ... | ['1999-08-02'] |
5,473 | ['eng'] | ['Hannibal, L', 'Von Ossietzky, C'] | ['Existence of axially symmetric solutions in SU(2)-Yang-Mills and related theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'relativity theory, general', 'dilaton', 'field equations, solution', 'symmetry, axial', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907222'] | ['It is shown that the static axially symmetric solutions of SU(2) Einstein-Yang-Mills-Dilaton theory constructed by Kleihaus and Kunz are gauge-equivalent to two-parameter families of embedded abelian solutions, characterized by mass and magnetic dipole moment. The existence of other particle-like solutions is exclude... | ['1999-08-02'] |
5,474 | ['eng'] | ['Roepstorff, G'] | ['Superconnections'] | ['Particle Physics - Theory'] | ['talk, Berkeley 1999/06/11', 'gauge field theory, Yang-Mills', 'Higgs model', 'unified field theory', 'differential forms', 'differential geometry', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907221'] | ['The mathematical framework of superbundles suggests that one considers the Higgs field as a natural constituent of a superconnection. I propose to take as superbundle the exterior algebra obtained from a Hermitian vector bundle of rank 5 for the Standard Model.'] | ['1999-08-02'] |
5,475 | ['eng'] | ['Kim, Y S'] | ['Gauge Transformations on Massless Spin-1/2 Particles and Neutrino Polarization as a Consequence of Gauge Invariance'] | ['Particle Physics - Theory'] | ['talk, Zacatecas 1999/06/23', 'fermion, massive', 'fermion, massless', 'group theory, SL(2,C)', 'neutrino, polarization', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907220'] | ['The two-by-two representation of the SL(2,c) group is for spin-1/2 particles. Starting from this two-by-two representation, it is possible to construct the four-by-four matrices for spin-1 particles. For massless particles, it is possible to construct four-potentials from two-component SL(2,c) spinors. Four potential... | ['1999-08-02'] |
5,476 | ['eng'] | ['Fabbri, D', 'Fré, P', 'Gualtieri, L', 'Reina, C', 'Tomasiello, A', 'Zaffaroni, A', 'Zampa, A'] | ['3D superconformal theories from Sasakian seven-manifolds'] | ['Particle Physics - Theory'] | ['gauge field theory', 'field theory, conformal', 'field theory, anti-de Sitter', 'supersymmetry', 'dimension, 3', 'dimension, 7', 'dimensional reduction', 'Kaluza-Klein model', 'particle, multiplet', 'group theory, representation', 'group theory, geometrical', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907219'] | ['In this paper we discuss candidate superconformal N=2 gauge theories that realize the AdS/CFT correspondence with M--theory compactified on the homogeneous Sasakian 7-manifolds M^7 that were classified long ago. In particular we focus on the two cases M^7=Q^{1,1,1} and M^7=M^{1,1,1}, for the latter the Kaluza Klein s... | ['1999-07-30'] |
5,477 | ['eng'] | ['Ragoucy, E'] | ['Deformed oscillators algebra formulation of the Nonlinear Schrödinger hierarchy and of its symmetry'] | ['Particle Physics - Theory'] | ['talk, Prague 1999/06/17', 'Schroedinger equation, nonlinear', 'differential equations, hierarchy', 'algebra, oscillator', 'algebra, deformation', 'dimension, 2', 'inverse scattering method', 'Fock space', 'algebra, W(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907218'] | ['We present a self-contained formulation of the Nonlinear Schrodinger hierarchy and its Yangian symmetry in terms of deformed oscilator algebra (Z.F. algebra). The link between Yangian Y(gl(N)) and finite W(gl(pN),N.gl(p)) algebras is also illustrated in this framework.'] | ['1999-07-30'] |
5,478 | ['eng'] | ['Banerjee, R', 'Rothe, H J', 'Rothe, Klaus D'] | ['Master Equation for Lagrangian Gauge Symmetries'] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'constraint', 'master equation', 'gauge field theory, Yang-Mills', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907217'] | ['Using purely Hamiltonian methods we derive a simple differential equation for the generator of the most general local symmetry transformation of a Lagrangian. The restrictions on the gauge parameters found by earlier approaches are easily reproduced from this equation. We also discuss the connection with the purely L... | ['1999-07-30'] |
5,479 | ['eng'] | ['Ceresole, Anna T', "Dall'Agata, G", "D'Auria, R"] | ['KK Spectroscopy of Type IIB Supergravity on $AdS_{5} \\times T^{11}$'] | ['Particle Physics - Theory'] | ['supergravity', 'spontaneous compactification, anti-de Sitter', 'coset space, SU(2) x SU(2)/U(1)', 'Kaluza-Klein model', 'particle, multiplet', 'charge, topological', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907216'] | ["We give full details for the computation of the Kaluza--Klein mass spectrum of Type IIB Supergravity on AdS_5 x T^{11}, with T^{11}=SU(2)xSU(2)/U(1), that has recently lead to both stringent tests and interesting predictions on the AdS_5/CFT_4 correspondence for N=1 SCFT's (hep-th/9905226). We exhaustively explain ho... | ['1999-07-30'] |
5,480 | ['eng'] | ['Mukhi, S', 'Suryanarayana, N V'] | ['Gravitational Couplings, Orientifolds and M-Planes'] | ['Particle Physics - Theory'] | ['gravitation, action', 'orientifold', 'membrane model, D-brane', 'membrane model, p-brane', 'F-theory', 'M-theory', 'differential forms', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907215'] | ['We examine string-theory orientifold planes of various types including the Sp and SO-odd planes, and deduce the gravitational Chern-Simons couplings on their world-volumes. Consistency checks are carried out in different spacetime dimensions using various dualities, including those relating string theory with F-theor... | ['1999-07-30'] |
5,481 | ['eng'] | ['De Giovanni, A', 'Santambrogio, A', 'Zanon, D'] | ["$(\\alpha^{'})^{4}$ corrections to the N=2 supersymmetric Born-Infeld action"] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'supersymmetry, superspace', 'perturbation theory, higher-order', 'higher-order, 4', 'regularization, dimensional', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907214'] | ["We consider the N=2 supersymmetric Born-Infeld action and compute one-loop divergences quantizing the theory in N=1 superspace. We find that in the presence of non constant curvature the theory is not renormalizable. The structure of the $(\\alpha')^4$ counterterm, proportional to derivatives of the curvature, is con... | ['1999-07-30'] |
5,482 | ['eng'] | ['Adler, M', 'Van Moerbeke, P'] | ['The spectrum of coupled random matrices'] | ['Particle Physics - Theory'] | ['statistical mechanics, random', 'matrix model', 'lattice, Toda', 'operator, vertex', 'operator, determinant', 'algebra, Virasoro', 'algebra, representation', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907213'] | ['In this work, we explain how the integrable technology can be brought to bear to gain insight in the nature of the distribution of the spectrum of coupled Hermitean random matrices (of finite size) and the equations the associated probabilities satisfy. Given two intervals, the joint statistics random matrices satisf... | ['1999-07-30'] |
5,483 | ['eng'] | ['Esposito, G', 'Stornaiolo, C'] | ['Non-Locality and Ellipticity in a Gauge-Invariant Quantization'] | ['Particle Physics - Theory'] | ['Schroedinger equation', 'dimension, 2', 'quantization', 'boundary condition, nonlocal', 'invariance, gauge', 'ghost', 'operator, differential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907212'] | ['The quantum theory of a free particle in two dimensions with non-local boundary conditions on a circle is known to lead to surface and bulk states. Such a scheme is here generalized to the quantized Maxwell field, subject to mixed boundary conditions. If the Robin sector is modified by the addition of a pseudo-differ... | ['1999-07-30'] |
5,484 | ['eng'] | ['Cornalba, L', 'Schiappa, R'] | ['Matrix Theory Star Products from the Born-Infeld Action'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'M-theory', 'matrix model', 'membrane model, D-brane', 'soliton, BPS'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907211', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ["We conjecture that the Sen-Seiberg limit of the Type IIA D2-brane action in a flat spacetime background can be resummed, at all orders in \\alpha', to define an associative star product on the membrane. This star product can be independently constrained from the equivalent Matrix theory description of the correspondi... | ['1999-07-30'] |
5,485 | ['eng'] | ['Gremm, M', 'Kapustin, A A'] | ['Heterotic Little String Theories and Holography'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 6', 'holography', 'membrane model', 'duality', 'space-time, anti-de Sitter', 'field theory, conformal', 'orbifold, singularity', 'supergravity', 'partition function', 'Wess-Zumino-Witten model', 'invariance, modular', 'dilaton, background', 'operator, chiral', 'symmetry, Spin(32)... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907210'] | ['It has been conjectured that Little String Theories in six dimensions are holographic to critical string theory in a linear dilaton background. We test this conjecture for theories arising on the worldvolume of heterotic fivebranes. We compute the spectrum of chiral primaries in these theories and compare with result... | ['1999-07-30'] |
5,486 | ['eng'] | ['Arkani-Hamed, N', 'Dimopoulos, S', 'Dvali, G', 'Kaloper, N'] | ['Infinitely Large New Dimensions'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time, anti-de Sitter', 'quantum gravity', 'space-time, higher-dimensional', 'potential', 'gravitation, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907209'] | ["We construct intersecting brane configurations in Anti-de-Sitter space localizing gravity to the intersection region, with any number $n$ of extra dimensions. This allows us to construct two kinds of theories with infinitely large new dimensions, TeV scale quantum gravity and sub-millimeter deviations from Newton's L... | ['1999-07-30'] |
5,487 | ['eng'] | ['Dunne, G V'] | ['Derivative Expansion and Soliton Masses'] | ['Particle Physics - Theory'] | ['expansion, derivative', 'soliton, mass', 'field theory, scalar', 'potential', 'dimension, 2', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907208'] | ['We present a simple algorithm to implement the generalized derivative expansion introduced previously by L-H. Chan, and apply it to the calculation of the one-loop mass correction to the classical soliton mass in the 1+1 dimensional Jacobi model. We then show how this derivative expansion approach implies that the to... | ['1999-07-29'] |
5,488 | ['eng'] | ['De Ritis, R', 'Marino, A A', 'Rubano, C', 'Scudellaro, P'] | ['Quintessence duality'] | ['Particle Physics - Theory'] | ['quintessence', 'duality', 'potential', 'string model', 'dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907207'] | ['In our short paper we join quintessence cosmological scenarios with the duality simmetry existing in dilaton cosmologies. Actually, we consider only the tracker potentials $V = V_0 \\phi^{- \\alpha}$ and show that duality is established if $\\alpha = 2$.'] | ['1999-07-29'] |
5,489 | ['eng'] | ['Alishahiha, M', 'Oz, Y'] | ['AdS/CFT and BPS Strings in Four Dimensions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, anti-de Sitter', 'supersymmetry', 'membrane model, p-brane', 'p-brane, 5', 'string model', 'soliton, BPS', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907206'] | ['We consider N=2 superconformal theories defined on a 3+1 dimensional hyperplane intersection of two sets of M5 branes. These theories have (tensionless) BPS string solitons. We use a dual supergravity formulation to deduce some of their properties via the AdS/CFT correspondence.'] | ['1999-07-29'] |
5,490 | ['eng'] | ['Alvarez, Enrique', 'Gómez, C'] | ['Ultraviolet and infrared freedom from string amplitudes'] | ['Particle Physics - Theory'] | ['string model', 'string tension', 'tension, infinite', 'scattering amplitude, higher-order', 'asymptotic freedom', 'tachyon, effect', 'infrared problem', 'membrane model, D-brane', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907205'] | ['The infinite tension limit of string amplitudes is examined with some care, identifying the part responsible of diamagnetic behaviour as well as a peculiar paramagnetic {\\em tachyon magnifying} responsible of aysmptotic freedom. The way string theory represents abelian gauge theories is connected with the non-planar... | ['1999-07-29'] |
5,491 | ['eng'] | ['Giddings, Steven B', 'Ross, S F'] | ['D3-brane shells to black branes on the Coulomb branch'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'membrane model', 'space-time, anti-de Sitter', 'field theory, conformal', 'duality', 'black hole', 'two-point function', 'Wilson loop', 'dimension, 10', 'absorption'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907204'] | ['We use the AdS/CFT duality to study the special point on the Coulomb branch of ${\\cal N}=4$ SU(N) gauge theory which corresponds to a spherically symmetric shell of D3-branes. This point is of interest both because the spacetime region inside the shell is flat, and because this configuration gives a very simple exam... | ['1999-07-28'] |
5,492 | ['eng'] | ['Buchel, A S', 'Shiu, G', 'Tye, S H Henry'] | ['Anomaly Cancelations in Orientifolds with Quantized B Flux'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, >4', 'orientifold', 'anomaly, chiral', 'scattering amplitude, higher-order', 'symmetry breaking', 'group theory, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907203'] | ['We consider anomaly cancelations in Type IIB orientifolds on T^4/Z_N with quantized NS-NS sector background B-flux. For a rank b B-flux on T^4 (b is always even) and when N is even, the cancelation requires a 2^{b/2} multiplicity of states in the 59-open string sector. We identify the twisted sector R-R scalars and t... | ['1999-07-28'] |
5,493 | ['eng'] | ['Cvetic, M', 'Lü, H', 'Pope, C N', 'Stelle, Kellogg S'] | ['T-Duality in the Green-Schwarz Formalism, and the Massless/Massive IIA Duality Map'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model', 'Kaluza-Klein model', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907202'] | ['We derive a component-field expansion of the Green-Schwarz action for the type IIA string, in an arbitrary background of massless NS-NS and R-R bosonic fields, up to quadratic order in the fermionic coordinates \\theta. Using this action, we extend the usual derivation of Buscher T-duality rules to include not only N... | ['1999-07-28'] |
5,494 | ['eng'] | ['Sachs, I'] | ['Electric Black Holes in Type 0 String Theory'] | ['Particle Physics - Theory'] | ['string model', 'black hole, electric', 'space-time, anti-de Sitter', 'dimension, 3', 'membrane model, D-brane', 'bound state', 'field theory, conformal', 'dimension, 2', 'effective action', 'entropy', 'stability, linear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907201'] | ["We discuss AdS_{2+1} (BTZ) black holes arising in type 0 string theory corresponding to D1-D5 and F1-NS5 bound states. In particular we describe a new non-dilatonic solution in the RR sector with only Dp_{+}, that is ``electric'' branes. This system is distinguished by the absence of fermions in the world volume theo... | ['1999-07-28'] |
5,495 | ['eng'] | ['Berkovits, N', 'Bershadsky, M', 'Hauer, T', 'Zhukov, S V', 'Zwiebach, B'] | ['Superstring Theory on $AdS_{2} x S^{2}$ as a Coset Supermanifold'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'space-time, anti-de Sitter', 'space, S(2)', 'coset space', 'sigma model, nonlinear', 'Wess-Zumino term', 'effective action', 'renormalization group, beta function', 'perturbation theory, higher-order', 'invariance, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907200'] | ['We quantize the superstring on the AdS_2 x S^2 background with Ramond-Ramond flux using a PSU(1,1|2)/U(1) x U(1) sigma model with a WZ term. One-loop conformal invariance of the model is guaranteed by a general mechanism which holds for coset spaces G/H where G is Ricci-flat and H is the invariant locus of a Z_4 auto... | ['1999-07-28'] |
5,496 | ['eng'] | ['Jaffe, R L', 'Williamson, L R'] | ['The Casimir Energy in a Separable Potential'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'Schroedinger equation, solution', 'energy, Casimir', 'potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907199'] | ['The Casimir energy is the first-order-in-\\hbar correction to the energy of a time-independent field configuration in a quantum field theory. We study the Casimir energy in a toy model, where the classical field is replaced by a separable potential. In this model the exact answer is trivial to compute, making it a go... | ['1999-07-28'] |
5,497 | ['eng'] | ['De Ritis, R', 'Marino, A A', 'Rubano, C', 'Scudellaro, P'] | ['Tracker fields from nonminimally coupled theory'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'field theory, tensor', 'coupling, matter', 'quintessence', 'potential', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907198'] | ["We extend the concept of quintessence to a flat nonminimally coupled scalar - tensor theories of gravity. By means of Noether's symmetries for the cosmological pointlike Lagrangian L, it is possible to exhibit exact solutions for a class of models depending on a free parameter s. This parameter comes out in the relat... | ['1999-07-28'] |
5,498 | ['eng'] | ['Kudryavtsev, A E', 'Piette, B M A G', 'Zakrzewski, W J'] | ['On the interactions of Skyrmions with domain walls'] | ['Particle Physics - Theory'] | ['Skyrmion', 'domain wall', 'soliton, topological', 'bound state', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907197'] | ['We study classical solutions of a particular version of the modified Skyrme model in (3+1) dimensions. The model possesses Skyrmion solutions as well as stable domain walls that connect different vacua of the theory. We show that there is an attractive interaction between Skyrmions and domain walls. Thus Skyrmions ca... | ['1999-07-28'] |
5,499 | ['eng'] | ['Nikitin, I N'] | ['String theory in Lorentz-invariant time-like gauge'] | ['Particle Physics - Theory'] | ['string model, closed', 'boson, string', 'anomaly', 'invariance, Lorentz', 'mechanics, classical', 'gauge fixing', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9907196'] | ['A theory of closed bosonic string in time-like gauge, related in Lorentz-invariant way with the world sheet, is considered. Absence of quantum anomalies in this theory is shown.'] | ['1999-07-28'] |
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