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 |
|---|---|---|---|---|---|---|---|---|
1,300 | ['eng'] | ['Banks, T', 'Fischler, Willy'] | ['M-theory observables for cosmological space-times'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'astrophysics, fundamental constant', 'space-time, Robertson-Walker', 'Friedman model', 'M-theory', 'S-matrix', 'boundary condition', 'quantum mechanics', 'inflationary universe'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102077'] | ['We discuss the construction of the analog of an S-matrix for space-times that begin with a Big-Bang and asymptote to an FRW universe with nonnegative cosmological constant. When the cosmological constant is positive there are many such S-matrices, related mathematically by gauge transformations and physically by an a... | ['2001-02-15'] |
1,301 | ['eng'] | ['Harvey, J A'] | ['Komaba Lectures on Noncommutative Solitons and D-Branes'] | ['Particle Physics - Theory'] | ['lectures, Komaba 2000/11/14', 'differential geometry, noncommutative', 'membrane model, D-brane', 'soliton', 'tachyon', 'K-theory', 'quantum mechanics', 'vortex', 'string model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102076'] | ['These lectures provide an introduction to noncommutative geometry and its origins in quantum mechanics and to the construction of solitons in noncommutative field theory. These ideas are applied to the construction of D-branes as solitons of the tachyon field in noncommutative open string theory. A brief discussion i... | ['2001-02-15'] |
1,302 | ['eng'] | ['Baulieu, L', 'Bellon, M'] | ['Supersymmetry with a Ghost Time'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'quantization, dependence', 'Hamiltonian formalism', 'Wess-Zumino model', 'invariance, Becchi-Rouet-Stora', 'gauge field theory, Yang-Mills', 'time, ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102075'] | ['The progress brought to the study of chiral fermions and gauge theories by quantization methods with a bulk time suggests their usefulness in supersymmetric theories. Using superspace methods, we show how an explicitly supersymmetric version of such quantization methods may be given.'] | ['2001-02-15'] |
1,303 | ['eng'] | ['Steinacker, H'] | ['Aspects of the q-deformed Fuzzy Sphere'] | ['Particle Physics - Theory'] | ['talk, Turin 2000/10/02', 'quantum space', 'sphere, fuzzy', 'quantum group, SU(2)', 'differential forms', 'gauge field theory, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102074'] | ["These notes are a short review of the q-deformed fuzzy sphere S^2_{q,N}, which is a ``finite'' noncommutative 2-sphere covariant under the quantum group U_q(su(2)). We discuss its real structure, differential calculus and integration for both real q and q a phase, and show how actions for Yang-Mills and Chern- Simons... | ['2001-02-15'] |
1,304 | ['eng'] | ['Sen-Gupta, S', 'Sinha, A K'] | ['Fermion helicity flip in a Kalb-Ramond background'] | ['Particle Physics - Theory'] | ['fermion, helicity', 'torsion', 'field theory, tensor', 'background field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102073'] | ['The helicity flip of a spin-1/2 Dirac fermion interacting with a torsion field endowed with a pseudo-tensorial extension is analysed. Taking the torsion to be represented by a Kalb-Ramond field we show that there is a finite amplitude for helicity flip for massive fermions.The lowest order contribution is proportiona... | ['2001-02-15'] |
1,305 | ['eng'] | ['Griguolo, L', 'Pietroni, M'] | ['Hard Non-commutative Loops Resummation'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'differential geometry, noncommutative', 'perturbation theory, higher-order', 'renormalization group, transformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102070'] | ['The non-commutative version of the euclidean $g^2\\phi^4$ theory is considered. By using Wilsonian flow equations the ultraviolet renormalizability can be proved to all orders in perturbation theory. On the other hand, the infrared sector cannot be treated perturbatively and requires a resummation of the leading dive... | ['2001-02-14'] |
1,306 | ['eng'] | ['Gornik, B', 'Borstnik, N M'] | ['Massless particles of any spin obey linear equations of motion'] | ['Particle Physics - Theory'] | ['field equations, linear', 'wave function', 'spin, high', 'any-dimensional', 'invariance, Poincare', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102067'] | ['The proof is presented that the Poincare symmetry determines the equations of motion for massless particles of any spin in 2n-dimensional spaces, which are linear in the momentum.'] | ['2001-02-14'] |
1,307 | ['eng'] | ['Martín, C P'] | ['Chiral Gauge Anomalies on Noncommutative Minkowski Space-time'] | ['Particle Physics - Theory'] | ['talk, Turin 2000/10/02', 'gauge field theory, U(N)', 'fermion, chiral', 'path integral', 'anomaly, gauge', 'space-time, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102066'] | ["Chiral gauge anomalies on noncommutative Minkowski Space-time are computed and have their origin elucidated. The consistent form and the covariant form of the anomaly are obtained. Both Fujikawa's method and Feynman diagram techniques are used to carry out the calculations"] | ['2001-02-14'] |
1,308 | ['eng'] | ['Dabrowski, M P'] | ['Mixmaster Horava-Witten Cosmology'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'talk, Rome 2000/07/02', 'string model', 'supersymmetry', 'effective action', 'Horava-Witten model', 'space-time, Bianchi', 'space-time, Kasner', 'chaos', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102065'] | ['We discuss various superstring effective actions and, in particular, their common sector which leads to the so-called pre-big-bang cosmology (cosmology in a weak coupling limit of heterotic superstring). Then, we review the main ideas of the Horava-Witten theory which is a strong coupling limit of heterotic superstri... | ['2001-02-14'] |
1,309 | ['eng'] | ['Cadoni, M', 'Carta, P'] | ['The AdS/CFT correspondence in two dimensions'] | ['Particle Physics - Theory'] | ['talk, Turin 2000/10/02', 'gravitation', 'space, anti-de Sitter', 'field theory, conformal', 'dimension, 2', 'dilaton', 'sigma model, nonlinear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102064'] | ['We review recent progress in understanding the anti-de Sitter/conformal field theory correspondence in the context of two-dimensional dilaton gravity theory.'] | ['2001-02-14'] |
1,310 | ['eng'] | ['Kluson, J'] | ['D-Branes from N D(-1)-Branes in Bosonic and Type IIA String Theory'] | ['Particle Physics - Theory'] | ['string model', 'boson, string', 'supersymmetry', 'membrane model, D-brane', 'instanton', 'field theory, string', 'boundary condition', 'Born-Infeld model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102063'] | ['In this paper we would like to discuss the emergence of D-branes from infinite many D-instantons in bosonic and type IIA string theory in the framework of boundary string field theory.'] | ['2001-02-14'] |
1,311 | ['eng'] | ['Irges, N'] | ['Remarks on cosmological issues in some string theoretic brane worlds'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'dimension, 5', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102062'] | ['We examine, in the context of certain string compactifications resulting in five dimensional brane worlds the mechanisms of (self) tuning of the cosmological constant and the recovery of standard cosmological evolution. We show that self tuning can occur only as long as supersymmetry is unbroken (unless additional as... | ['2001-02-13'] |
1,312 | ['eng'] | ['Barvinsky, A O', 'Das, S', 'Kunstatter, G'] | ['Quantum Mechanics of Charged Black Holes'] | ['Particle Physics - Theory'] | ['black hole', 'charge, quantization', 'quantum gravity', 'symmetry, rotational', 'fundamental constant, fine structure', 'vacuum state, fluctuation', 'black hole, Reissner-Nordstroem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102061'] | ['We quantize the spherically symmetric sector of generic charged black holes. Thermal properties are encorporated by imposing periodicity in Euclidean time, with period equal to the inverse Hawking temperature of the black hole. This leads to an exact quantization of the area $A$ and charge $Q$ operators. For the Reis... | ['2001-02-13'] |
1,313 | ['eng'] | ["D'Auria, R", 'Ferrara, Sergio', 'Lledó, M A'] | ['On the Embedding of Space-Time Symmetries into Simple Superalgebras'] | ['Particle Physics - Theory'] | ['group theory, Sp(N)', 'supersymmetry, algebra', 'symmetry, space-time', 'any-dimensional', 'R parity', 'algebra, Poincare', 'algebra, representation', 'symmetry, embedding', 'algebra, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102060'] | ['We explore the embedding of Spin groups of arbitrary dimension and signature into simple superalgebras in the case of extended supersymmetry. The R-symmetry, which generically is not compact, can be chosen compact for all the cases that are congruent mod 8 to the physical conformal algebra so($D-2$,2), $D\\geq 3$. An... | ['2001-02-13'] |
1,314 | ['eng'] | ['Cahill, K'] | ['Supersymmetry without Grassmann Variables'] | ['Particle Physics - Theory'] | ['supersymmetry, transformation', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102058'] | ['Supersymmetry transformations may be represented by unitary operators in a formulation of supersymmetry without numbers that anti-commute. The physical relevance of this formulation hinges on whether or not one may add states of even and odd fermion number, a question which soon may be settled by experiment.'] | ['2001-02-13'] |
1,315 | ['eng'] | ['Lu, J X'] | ['(1 + p)-Dimensional Open D(p - 2) Brane Theories'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'duality', 'differential geometry, noncommutative', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102056'] | ['The dynamics of a Dp brane can be described either by an open string ending on this brane or by an open D(p - 2) brane ending on the same Dp brane. The ends of the open string couple to a Dp brane worldvolume gauge field while the boundary of the open D(p - 2) brane couples to a (p - 2)-form worldvolume potential who... | ['2001-02-12'] |
1,316 | ['eng'] | ['Chaves, M'] | ['An introduction to generalized Yang-Mills theories'] | ['Particle Physics - Theory'] | ['talk, Zacatecas 2000/07/31', 'gauge field theory, Yang-Mills', 'field theory, scalar', 'differential geometry', 'fibre bundle', 'grand unified theory', 'dimension, >4', 'Salam-Weinberg model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102055'] | ['In generalized Yang-Mills theories scalar fields can be gauged just as vector fields in a usual Yang-Mills theory, albeit it is done in the spinorial representation. The presentation of these theories is aesthetic in the following sense: A physical theory using Yang-Mills theories requires several terms and irreducib... | ['2001-02-12'] |
1,317 | ['eng'] | ['Arnone, S', 'Kubyshin, Yu A', 'Morris, T R', 'Tighe, J F'] | ['A gauge invariant regulator for the ERG'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'gauge field theory, SU(N)', 'any-dimensional', 'gauge field theory, SU(N|M)', 'effective action', 'renormalization group', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102054'] | ['A gauge invariant regularisation for dealing with pure Yang-Mills theories within the exact renormalization group approach is proposed. It is based on the regularisation via covariant higher derivatives and includes auxiliary Pauli-Villars fields which amounts to a spontaneously broken SU(N|N) super-gauge theory. We ... | ['2001-02-12'] |
1,318 | ['eng'] | ['Kostyakov, I V', 'Gromov, N A', 'Kuratov, V V'] | ['Graded contractions of Virasoro algebras'] | ['Particle Physics - Theory'] | ['talk, Dubna 2000/07/31', 'algebra, Virasoro', 'algebra, commutation relations', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102052'] | ['We describe graded contractions of Virasoro algebra. The highest weight representations of Virasoro algebra are constructed. The reducibility of representations is analysed. In contrast to standart representations the contracted ones are reducible except some special cases. Moreover we find an exotic module with null... | ['2001-02-12'] |
1,319 | ['eng'] | ['Birmingham, Daniel', 'Sen-Gupta, K', 'Sen, S'] | ['Near-Horizon Conformal Structure of Black Holes'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'field theory, scalar', 'algebra, Virasoro', 'algebra, representation', 'wave function, scaling', 'horizon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102051'] | ['The near-horizon properties of a black hole are studied within an algebraic framework, using a scalar field as a simple probe to analyze the geometry. The operator H governing the near-horizon dynamics of the scalar field contains an inverse square interaction term. It is shown that the operators appearing in the cor... | ['2001-02-12'] |
1,320 | ['eng'] | ['Budinich, P'] | ['On Fermions in Compact momentum Spaces Bilinearly Constructed with Pure Spinors'] | ['Particle Physics - Theory'] | ['space-time', 'differential geometry', 'spinor', 'dimension, >4', 'algebra, Clifford', 'gauge field theory, U(1)', 'electroweak interaction', 'dimensional reduction', 'baryon, multiplet', 'lepton, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102049'] | ["It is shown how the old Cartan's conjecture on the fundamental role of the geometry of simple (or pure) spinors, as bilinearly underlying euclidean geometry, may be extended also to quantum mechanics of fermions (in first quantization), however in compact momentum spaces, bilinearly constructed with spinors, with sig... | ['2001-02-12'] |
1,321 | ['eng'] | ['Catal-Ozer, A', 'Dereli, T'] | ['Electroweak Theory and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['talk, Istanbul 2000/06/19', 'electroweak interaction', 'geometry, noncommutative', 'algebra, SU(2)', 'Higgs particle, mass', 'algebra, derivative', 'boson, mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102048'] | ['The noncommutative generalisation of the standard electroweak model due to Balakrishna, Gursey and Wali is formulated in terms of the derivations Der_2(M_3) of a three dimensional representation of the su(2) Lie algebra of weak isospin. A light Higgs boson of mass about 130 GeV, together with four very heavy scalar b... | ['2001-02-12'] |
1,322 | ['eng'] | ['Lima, E', 'Ovrut, B A', 'Park, J'] | ['Five-Brane Superpotentials in Heterotic M-Theory'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'membrane model, p-brane', 'p-brane, 5', 'p-brane, 3', 'supersymmetry', 'path integral, determinant', 'effective action', 'orbifold', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102046'] | ['The open supermembrane contribution to the non-perturbative superpotential of bulk space five-branes in heterotic M-theory is presented. We explicitly compute the superpotential for the modulus associated with the separation of a bulk five-brane from an end-of-the-world three-brane. The gauge and kappa-invariant boun... | ['2001-02-09'] |
1,323 | ['eng'] | ['Hollowood, Timothy J', 'Khoze, V V', 'Travaglini, G'] | ['Exact Results in Noncommutative ${\\cal N}=2$ Supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry', 'differential geometry, noncommutative', 'effective action', 'Seiberg-Witten model', 'instanton', 'effective action', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102045'] | ['We study the low-energy dynamics of noncommutative $\\N=2$ supersymmetric U(N) Yang-Mills theories in the Coulomb phase. Exact results are derived for the leading terms in the derivative expansion of the Wilsonian effective action. We find that in the infrared regime the U(1) subgroup decouples, and the remaining SU(... | ['2001-02-09'] |
1,324 | ['eng'] | ['Bichl, Andreas A', 'Grimstrup, J M', 'Popp, L', 'Schweda, Manfred', 'Wulkenhaar, R'] | ['Perturbative Analysis of the Seiberg-Witten Map'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'differential geometry, noncommutative', 'Seiberg-Witten map', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'perturbation theory, higher-order', 'field theory, action', 'derivative, high', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102044'] | ['We investigate the quantization of the theta-expanded noncommutative U(1) Yang-Mills action, obtained via the Seiberg-Witten map. As expected we find non-renormalizable terms. The one-loop propagator corrections are gauge independent, and lead us to a unique extention of the noncommutative classical action. We interp... | ['2001-02-09'] |
1,325 | ['eng'] | ['Gava, E', 'Hammou, A B', 'Morales, J F', 'Narain, Kumar S'] | ['AdS/CFT correspondence and D1/D5 systems in theories with 16 supercharges'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'field theory, conformal', 'membrane model, D-brane', 'membrane model, p-brane', 'orientifold', 'Kaluza-Klein model', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102043'] | ['We discuss spectra of $AdS_3$ supergravities, arising in the near horizon geometry of D1/D5 systems in orbifolds/orientifolds of type IIB theory with 16 supercharges. These include models studied in a recent paper (hep-th/0012118), where the group action involves also a shift along a transversal circle, as well as II... | ['2001-02-09'] |
1,326 | ['eng'] | ['Savonije, I', 'Verlinde, Erik'] | ['CFT and Entropy on the Brane'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'membrane model', 'entropy', 'temperature, dependence', 'astrophysics, model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102042'] | ['We consider a brane-universe in the background of an Anti-de Sitter/ Schwarschild geometry. We show that the induced geometry of the brane is exactly given by that of a standard radiation dominated FRW-universe. The radiation is represented by a strongly coupled CFT with an AdS-dual description. We show that when the... | ['2001-02-09'] |
1,327 | ['eng'] | ['Ferrari, F'] | ['A model for gauge theories with Higgs fields'] | ['Particle Physics - Theory'] | ['gauge field theory', 'field theory, Higgs', 'dimension, 4', 'sigma model, nonlinear', 'dimension, 2', 'renormalization', 'bound state', 'soliton', 'expansion 1/N', 'charge, electric', 'charge, magnetic', 'scaling', 'field theory, conformal', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102041'] | ["We discuss in details a simple, purely bosonic, quantum field theory belonging to larger class of models with the following properties: a) They are asymptotically free, with a dynamically generated mass scale. b) They have a space of parameters which gets quantum corrections drastically modifying the classical singul... | ['2001-02-08'] |
1,328 | ['eng'] | ['Filippi, A'] | ['New physics in the charged relativistic Bose gas using zeta-function regularization?'] | ['Particle Physics - Theory'] | ['talk, Marseille 2000/06/14', 'boson, gas', 'relativistic', 'anomaly', 'regularization, zeta function', 'field theory, scalar', 'nonperturbative', 'charge, density'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102040'] | ["The multiplicative anomaly, recently introduced in QFT, plays a fundamental role in solving some mathematical inconsistencies of the widely used zeta-function regularization method. Its physical relevance is still an open question and is here analyzed in the light of a non-perturbative method. Even in this approach t... | ['2001-02-08'] |
1,329 | ['eng'] | ['Finkel, F', 'Gómez-Ullate, D', 'González-López, A', 'Rodríguez, M A', 'Zhdanov, R S'] | ['A_N-type Dunkl operators and new spin Calogero-Sutherland models'] | ['Particle Physics - Theory'] | ['Calogero-Sutherland model', 'algebra, A(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102039'] | ['A new family of A_N-type Dunkl operators preserving a polynomial subspace of finite dimension is constructed. Using a general quadratic combination of these operators and the usual Dunkl operators, several new families of exactly and quasi-exactly solvable quantum spin Calogero-Sutherland models are obtained. These i... | ['2001-02-08'] |
1,330 | ['eng'] | ['Albertsson, C', 'Brinne, B', 'Lindström, U', 'Von Unge, R'] | ['E8 Quiver Gauge Theory and Mirror Symmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, E(8)', 'symmetry, mirror', 'gauge field theory, quiver', 'moduli space', 'string model', 'vacuum state', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102038'] | ['We show that the Higgs branch of a four-dimensional Yang-Mills theory, with gauge and matter content summarised by an E_8 quiver diagram, is identical to the generalised Coulomb branch of a four-dimensional superconformal strongly coupled gauge theory with E_8 global symmetry. This is the final step in showing that t... | ['2001-02-08'] |
1,331 | ['eng'] | ['Shiromizu, T', 'Ida, D'] | ['Anti-de Sitter no hair, AdS/CFT and the brane-world'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'hair', 'membrane model', 'space-time, asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102035'] | ['We study the asymptotic behavior of the bulk spacetimes with the negative cosmological constant in the context of the brane-world scenario. We show that, in Euclidean bulk, or in Lorentzian static bulk, some sequences of hypersurfaces with the positive Ricci scalar evolve to the anti-de Sitter spacetime. Based on the... | ['2001-02-08'] |
1,332 | ['eng'] | ['De Carlos, B', 'Hindmarsh, M B', 'McNair, N', 'Moreno, J M'] | ['Domain Walls in Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'quantum chromodynamics', 'supersymmetry', 'domain wall', 'superfield, chiral', 'gaugino, condensation', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102033'] | ['In this talk we construct BPS-saturated domain walls in supersymmetric QCD, for any values of the masses of the chiral matter superfields. We compare our results to those already obtained in the literature and we also discuss their range of applicability, as well as future directions that would be desirable to explor... | ['2001-02-08'] |
1,333 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Supersymmetric new brane-world'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'dilaton', 'field theory, conformal', 'supergravity', 'dimension, 5', 'superpotential', 'graviton, perturbation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102032'] | ['The quantum-induced dilatonic brane world (New Brane World) is created by brane CFT quantum effects (giving effective brane tension) in accordance with AdS/CFT set-up which also defines surface term. Considering bosonic sector of 5d gauged supergravity with single scalar and taking the boundary action as predicted by... | ['2001-02-08'] |
1,334 | ['eng'] | ['Guralnik, Z'] | ['String Junctions and Non-Simply Connected Gauge Groups'] | ['Particle Physics - Theory'] | ['F-theory', 'gauge field theory', 'string model', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102031'] | ["Relations between the global structure of the gauge group in elliptic F-theory compactifications, fractional null string junctions, and the Mordell-Weil lattice of rational sections are discussed. We extend results in the literature, which pertain primarily to rational elliptic surfaces and obtain pi^1(G) where G is ... | ['2001-02-08'] |
1,335 | ['eng'] | ['Ayala, M', 'Haase, R W'] | ['OSp(N|4) group and their contractions to P(3,1)xGauge'] | ['Particle Physics - Theory'] | ['group theory, OSp(N|4)', 'group theory, Poincare', 'group theory, representation', 'group theory, de Sitter', 'group theory, anti-de Sitter', 'group theory, SO(N,M)', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102030'] | ["Starting from SO(n,m) groups, we are in search of groups that: (1.) in a simple way, include N supersymmetric generators(see \\cite{Nahm}) (2.) contain as subgroup: the de Sitter group SO(4,1) or the Anti-de Sitter group SO(3,2) (3.) permit nontrivial gauge symmetry groups. The smallest groups satisfyng above conditi... | ['2001-02-08'] |
1,336 | ['eng'] | ['Venugopalan, R', 'Wirstam, J'] | ['Hard Thermal Loops and Beyond in the Finite Temperature World-Line Formulation of QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'hard thermal loop approximation', 'quantum mechanics', 'path integral', 'determinant', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102029'] | ['We derive the hard thermal loop action for soft electromagnetic fields in the finite temperature world-line formulation at imaginary time, by first integrating out the hard fermion modes from the microscopic QED action. Further, using the finite T world-line method, we calculate all static higher order terms in the s... | ['2001-02-07'] |
1,337 | ['eng'] | ['Lüscher, Martin'] | ['Chiral gauge theories revisited'] | ['Particle Physics - Theory'] | ['lectures, Erice 2000/08/27', 'gauge field theory, chiral', 'anomaly, gauge', 'regularization', 'fermion, Weyl', 'Ginsparg-Wilson relation', 'lattice field theory', 'dimension, 5', 'dimension, 4', 'fermion, domain wall', 'fermion, propagator', 'path integral, measure', 'cohomology', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102028'] | ['Contents: 1. Introduction, 2. Chiral gauge theories & the gauge anomaly, 3. The regularization problem, 4. Weyl fermions from 4+1 dimensions, 5. The Ginsparg-Wilson relation, 6. Gauge-invariant lattice regularization of anomaly-free theories.'] | ['2001-02-07'] |
1,338 | ['eng'] | ['Morris, T R', 'Tighe, J F'] | ['Convergence of derivative expansions in scalar field theory'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'phi**n model, 4', 'renormalization group', 'expansion, derivative', 'beta function', 'n-point function, 4', 'Feynman graph, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102027'] | ['The convergence of the derivative expansion of the exact renormalisation group is investigated via the computation of the beta function of massless scalar lambda phi^4 theory. The derivative expansion of the Polchinski flow equation converges at one loop for certain fast falling smooth cutoffs. Convergence of the der... | ['2001-02-07'] |
1,339 | ['eng'] | ['Gies, H'] | ['Wilsonian effective action for SU(2) Yang-Mills theory with Cho-Faddeev-Niemi-Shabanov decomposition'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'effective action', 'renormalization group', 'coupling, marginal', 'soliton', 'gauge fixing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102026'] | ['The Cho-Faddeev-Niemi-Shabanov decomposition of the SU(2) Yang-Mills field is employed for the calculation of the corresponding Wilsonian effective action to one-loop order with covariant gauge fixing. The generation of a mass scale is observed, and the flow of the marginal couplings is studied. Our results indicate ... | ['2001-02-07'] |
1,340 | ['eng'] | ['Ahn, C', 'Baseilhac, P', 'Kim, C', 'Rim, C'] | ['Perturbative test of exact vacuum expectation values of local fields in affine Toda theories'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'field theory, conformal', 'Feynman graph, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102024'] | ['Vacuum expectation values of local fields for all dual pairs of non-simply laced affine Toda field theories recently proposed are checked against perturbative analysis. The computations based on Feynman diagram expansion are performed upto two-loops. Agreement is obtained.'] | ['2001-02-07'] |
1,341 | ['eng'] | ['Chacko, Z', 'Fox, P J'] | ['Wave Function of the Radion in the dS and AdS Brane Worlds'] | ['Particle Physics - Theory'] | ['radion, wave function', 'membrane model', 'space-time, de Sitter', 'space-time, anti-de Sitter', 'Randall-Sundrum model', 'dimension, 5', 'radion, mass', 'radion, coupling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102023'] | ['We study the linearized metric perturbation corresponding to the radion for the generalization of the five dimensional two brane setup of Randall and Sundrum to the case when the curvature of each brane is locally constant but non-zero. We find the wave fuction of the radion in a coordinate system where each brane is... | ['2001-02-06'] |
1,342 | ['eng'] | ['Campbell, Bruce A', 'Kaminski, K'] | ['Noncommutative Linear Sigma Models'] | ['Particle Physics - Theory'] | ['sigma model, linear', 'field theory, noncommutative', 'symmetry, U(N)', 'symmetry, O(N)', 'Goldstone theorem', 'symmetry, spontaneously broken', 'group theory, representation', 'Feynman graph', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102022'] | ["We examine noncommutative linear sigma models with U(N) global symmetry groups at the one-loop quantum level, and contrast the results with our previous study of the noncommutative O(N) linear sigma models where we have shown that Nambu-Goldstone symmetry realization is inconsistent with continuum renormalization. Sp... | ['2001-02-06'] |
1,343 | ['eng'] | ['Pérez-Victoria, M'] | ['Physical (ir)relevance of ambiguities to Lorentz and CPT violation in QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'violation, Lorentz', 'violation, CPT', 'regularization', 'Chern-Simons term', 'symmetry, spontaneously broken', 'invariance, gauge', 'anomaly', 'radiative correction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102021'] | ['We discuss the regularization and renormalization of QED with Lorentz and CPT violation, and argue that the coefficient of the Chern-Simons term is an independent parameter not determined by gauge invariance. We also study these issues in a model with spontaneous breaking of Lorentz and CPT symmetries and find an exp... | ['2001-02-06'] |
1,344 | ['eng'] | ['Trittmann, U'] | ['SDLCQ and String/Field Theory Correspondences'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'quantization, light cone', 'discrete', 'string model', 'supersymmetry', 'membrane model', 'supergravity', 'correlation function', 'symmetry, Z(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102020'] | ["String/Field theory correspondences have been discussed heavily in recent years. Here, we describe a testing scenario involving a non-perturbative field theory calculation using the framework of supersymmetric discrete light-cone quantization (SDLCQ). We consider a Maldacena-type conjecture applied to the near horizo... | ['2001-02-06'] |
1,345 | ['eng'] | ['Choudhary, A R'] | ['New relations between analyticity, Regge trajectories, Veneziano amplitude, and Moebius transformations'] | ['Particle Physics - Theory'] | ['scattering amplitude, analytic properties', 'Regge poles', 'Moebius transformation', 'threshold', 'transformation, conformal', 'ghost', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102019'] | ['In this paper we use the analyticity properties of the scattering amplitude in the context of the conformal mapping techniques. The Schwarz-Christoffel and Riemann-Schwarz functions are used to map the upper half -plane onto a triangle. We use the known asymptotic and threshold behaviors of the scattering amplitude t... | ['2001-02-06'] |
1,346 | ['eng'] | ['Brunner, Ilka', 'Distler, Jacques'] | ['Torsion D-Branes in Nongeometrical Phases'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'torsion', 'K-theory', 'charge, D-brane', 'moduli space, Kaehler', 'monodromy', 'orbifold, Gepner', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102018'] | ['In a geometrical background, D-brane charge is classified by topological K-theory. The corresponding classification of D-brane charge in an arbitrary, nongeometrical, compactification is still a mystery. We study D-branes on non-simply-connected Calabi-Yau 3-folds, with particular interest in the D-branes whose charg... | ['2001-02-06'] |
1,347 | ['eng'] | ['Khare, A', 'Paranjape, M B'] | ['Solitons in 2+1 Dimensional Non-Commutative Maxwell Chern-Simons Higgs Theories'] | ['Particle Physics - Theory'] | ['Higgs model', 'Chern-Simons term', 'gauge field theory, noncommutative', 'gauge field theory, U(1)', 'dimension, 3', 'soliton', 'field equations, solution', 'flux tube'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102016'] | ['We find soliton solutions in the 2+1 dimensional non-commutative Maxwell Chern-Simons Higgs theories. In the limit of the Chern-Simons coefficient going to zero, these solutions go over to the previously found solutions in the non-commutative Maxwell Higgs theories. The new solutions may have relevance in the theory ... | ['2001-02-06'] |
1,348 | ['eng'] | ['Papazoglou, A'] | ['Dilaton tadpoles and mass in warped models'] | ['Particle Physics - Theory'] | ['membrane model', 'sum rule', 'dilaton, tadpole', 'dilaton, mass', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102015'] | ['We review the brane world sum rules of Gibbons at al for compact five dimensional warped models with identical four-geometries and bulk dynamics involving scalar fields with generic potential. We show that the absence of dilaton tadpoles in the action functional of the theory is linked to one of these sum rules. More... | ['2001-02-06'] |
1,349 | ['eng'] | ['Harikumar, E', 'Lahiri, A', 'Sivakumar, M'] | ['Topologically Massive Non-Abelian Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'mass, topological', 'Hamiltonian formalism', 'constraint', 'differential forms', 'deformation', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102013'] | ['We study the relationship between three non-Abelian topologically massive gauge theories, viz. the naive non-Abelian generalization of the Abelian model, Freedman-Townsend model and the dynamical 2-form theory, in the canonical framework. Hamiltonian formulation of the naive non-Abelian theory is presented first. The... | ['2001-02-06'] |
1,350 | ['eng'] | ['Nepomechie, R I'] | ['Consistent superconformal boundary states'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'model, minimal', 'Ising model', 'algebra, representation', 'transformation, modular', 'algebra, fusion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102010'] | ['We propose a supersymmetric generalization of Cardy\'s equation for consistent N=1 superconformal boundary states. We solve this equation for the superconformal minimal models SM(p/p+2) with p odd, and thereby provide a classification of the possible superconformal boundary conditions. In addition to the Neveu-Schwar... | ['2001-02-05'] |
1,351 | ['eng'] | ['Armoni, Adi', 'Minasian, R', 'Theisen, Stefan J'] | ['On non-commutative N=2 super Yang-Mills'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry', 'field theory, noncommutative', 'Seiberg-Witten model', 'string model', 'infrared problem', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102007'] | ["We discuss the Seiberg-Witten solution of the non-commutative N=2 U(N) SYM model. The solution is described in terms of the ordinary Seiberg-Witten curve of the SU(N) theory plus an additional free U(1). Hence, at the two-derivative approximation the theory flows to the ordinary commutative theory in the infra-red (k... | ['2001-02-05'] |
1,352 | ['eng'] | ['Argyres, Philip C'] | ['Supersymmetry and Strongly Coupled Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/15', 'gauge field theory', 'strong coupling', 'supersymmetry', 'dimension, 4-6', 'operator, marginal', 'vacuum state', 'moduli space', 'algebra, conformal', 'spectra, BPS', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102006'] | ["I briefly review how supersymmetry helps in the extraction of exact nonperturbative information from field theories, and then discuss some open problems in strongly coupled gauge theories. (Talk given at ``30 Years of Supersymmetry'' symposium in Minneapolis, Minnesota on October 15, 2000.)"] | ['2001-02-05'] |
1,353 | ['eng'] | ['Bergamin, L'] | ['Dynamical Symmetry Breaking in SYM Theories as a Non-Semiclassical Effect'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'symmetry, dynamically broken', 'effective action', 'nonperturbative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102005'] | ['We study supersymmetry breaking effects in N=1 SYM from the point of view of quantum effective actions. Restrictions on the geometry of the effective potential from superspace are known to be problematic in quantum effective actions, where explicit supersymmetry breaking can and must be studied. On the other hand the... | ['2001-02-02'] |
1,354 | ['eng'] | ['Beckers, J', 'Cariñena, José F', 'Debergh, N M', 'Marmo, G'] | ['Non-Hermitian oscillator-like Hamiltonians and $\\lambda$-coherent states revisited'] | ['Particle Physics - Theory'] | ['oscillator', 'coherent state', 'Hilbert space', 'factorization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102004'] | ['Previous $\\lambda$-deformed {\\it non-Hermitian} Hamiltonians with respect to the usual scalar product of Hilbert spaces dealing with harmonic oscillator-like developments are (re)considered with respect to a new scalar product in order to take into account their property of self-adjointness. The corresponding defor... | ['2001-02-02'] |
1,355 | ['eng'] | ['Gursoy, U', 'Saçlioglu, C'] | ['An open bosonic string with one end fixed'] | ['Particle Physics - Theory'] | ['boson, string model', 'membrane model', 'algebra, Virasoro', 'quantization', 'tensor, energy-momentum', 'Regge poles', 'constraint', 'Hilbert space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102003'] | ['We study a bosonic string with one end free and the other confined to a D-brane. Only the odd oscillator modes are allowed, which leads to a Virasoro algebra of even Virasoro modes only. The theory is quantized in a gauge where world-sheet time and ordinary time are identified. There are no negative or null norm stat... | ['2001-02-02'] |
1,356 | ['eng'] | ['Brihaye, Y', 'Mercier, B'] | ['Classical solutions in the Einstein-Born-Infeld-Abelian-Higgs model'] | ['Particle Physics - Theory'] | ['Higgs model, abelian', 'Born-Infeld model', 'symmetry, axial', 'gravitation', 'vortex', 'magnetic monopole', 'string', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102002'] | ['We consider the classical equations of the Born-Infeld-Abelian-Higgs model (with and without coupling to gravity) in an axially symmetric ansatz. A numerical analysis of the equations reveals that the (gravitating) Nielsen-Olesen vortices are smoothly deformed by the Born-Infeld interaction, characterized by a coupli... | ['2001-02-02'] |
1,357 | ['eng'] | ['Dehghani, M H', 'Mann, R B'] | ['Quasilocal Thermodynamics of Kerr and Kerr-anti-de Sitter Spacetimes and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, Kerr', 'space-time, anti-de Sitter', 'field theory, conformal', 'thermodynamics', 'black hole, mass', 'stability', 'energy', 'angular momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102001'] | ['We consider the quasilocal thermodynamics of rotating black holes in asymptotically flat and asymptotically anti de Sitter spacetimes. Using the minimal number of intrinsic boundary counterterms inspired by the AdS/CFT correspondence, we find that we are able to carry out an analysis of the thermodynamics of these bl... | ['2001-02-02'] |
1,358 | ['eng'] | ['Martin, I', 'Ovalle, J', 'Restuccia, A'] | ['Compactified D=11 Supermembranes and Symplectic Non-Commutative Gauge Theories'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'dimension, 11', 'spontaneous compactification', 'differential geometry, symplectic', 'differential geometry, noncommutative', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101236'] | ['It is shown that a double compactified D=11 supermembrane with non trivial wrapping may be formulated as a symplectic non-commutative gauge theory on the world volume. The symplectic non commutative structure is intrinsically obtained from the symplectic 2-form on the world volume defined by the minimal configuration... | ['2001-02-02'] |
1,359 | ['eng'] | ['Binétruy, P', 'Deffayet, C', 'Langlois, D'] | ['The radion in brane cosmology'] | ['Particle Physics - Theory'] | ['membrane model', 'symmetry, Z(2)', 'radion, fluctuation', 'space-time, anti-de Sitter', 'dimension, 5', 'dimension, 4', 'geometry, induced', 'radion', 'perturbation theory', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101234'] | ['We consider the homogeneous cosmological radion, which we define as the interbrane distance in a two brane and $Z_2$ symmetrical configuration. In a coordinate system where one of the brane is at rest, the junction conditions for the second (moving) brane give directly the (non-linear) equations of motion for the rad... | ['2001-02-02'] |
1,360 | ['eng'] | ['Arkani-Hamed, N', 'Gregoire, T', 'Wacker, J G'] | ['Higher dimensional supersymmetry in 4D superspace'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'dimension, 4-10', 'fermion, chiral', 'anomaly', 'Chern-Simons term', 'orbifold', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101233'] | ["We present an explicit formulation of supersymmetric Yang-Mills theories from $\\D=$ 5 to 10 dimensions in the familiar $\\N=1,\\D=4$ superspace. This provides the rules for globally supersymmetric model building with extra dimensions and in particular allows us to simply write down $\\N=1$ SUSY preserving interactio... | ['2001-02-02'] |
1,361 | ['eng'] | ['Bigazzi, F'] | ['RG Flows Toward IR Isolated Fixed Points'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field equations, solution', 'gravitation', 'gauge field theory, SU(N) x SU(M)', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'renormalization group, transformation', 'infrared problem, fixed point'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101232'] | ['We perform here a critical analysis of some non-supersymmetric gravity solutions in Type 0B string theory. We first consider the most general configuration of parallel N electric and M magnetic D3-branes. The field theory living on their worldvolume is non-supersymmetric and non-conformal (if N \\neq M) and has gauge... | ['2001-02-02'] |
1,362 | ['eng'] | ['Evans, J M'] | ['Integrable Sigma-models and Drinfeld-Sokolov Hierarchies'] | ['Particle Physics - Theory'] | ['sigma model', 'conservation law', 'Korteweg-de Vries equation, hierarchy', 'field theory, Toda', 'field theory, affine', 'group theory, exceptional', 'Wess-Zumino-Witten model', 'group theory, Lie', 'coset space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101231'] | ['Local commuting charges in sigma-models with classical Lie groups as target manifolds are shown to be related to the conserved quantities appearing in the Drinfeld-Sokolov (generalized mKdV) hierarchies. Conversely, the Drinfeld-Sokolov construction can be used to deduce the existence of commuting charges in these an... | ['2001-02-02'] |
1,363 | ['eng'] | ['Gibbons, G W', 'Herdeiro, C A R'] | ['The Melvin Universe in Born-Infeld Theory and other Theories of Non-Linear Electrodynamics'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'astrophysics, model', 'magnetic field', 'dyon', 'duality, electromagnetic', 'electromagnetic field, nonlinear', 'supersymmetry', 'flux, magnetic', 'quantization, Dirac'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101229'] | ["We derive a Melvin Universe type solution describing a magnetic field permeating the whole Universe in gravity minimally coupled to any non-linear electromagnetic theory, including Born-Infeld Theory. For a large set of non-linear electrodynamics theories, our solution is complete and non-singular, as long as the mag... | ['2001-02-02'] |
1,364 | ['eng'] | ['Mund, J'] | ['The Bisognano-Wichmann Theorem for Massive Theories'] | ['Particle Physics - Theory'] | ['axiomatic field theory, massive', 'duality', 'invariance, modular', 'phase space', 'operator, algebra', 'invariance, CPT', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101227'] | ['The geometric action of modular groups for wedge regions (Bisognano-Wichmann property) is derived from the principles of local quantum physics for a large class of Poincare covariant models in d=4. As a consequence, the CPT theorem holds for this class. The models must have a complete interpretation in terms of massi... | ['2001-02-02'] |
1,365 | ['eng'] | ['Sato, M'] | ['BPS Bound States of D6-branes and Lower Dimensional D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 6', 'soliton, BPS', 'bound state', 'charge, topological', 'charge, fractional', 'gauge field theory, U(N)', 'energy', 'dimension, 7', 'space, torus'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101226'] | ['We construct 1/8, 1/4, and 1/2 BPS solutions spanned by diagonal elements of U(N) constant fluxes in the 6+1 dimensional U(N) super Yang-Mills theory on T^6 with topological stability. These solutions represent BPS bound states of D0, D2, D4, and D6 branes. The consistency with the D-brane charge conservation implies... | ['2001-02-02'] |
1,366 | ['eng'] | ['Akemann, G', 'Damgaard, P H'] | ['Wilson Loops in N=4 Supersymmetric Yang-Mills Theory from Random Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model, random', 'gauge field theory, U(N)', 'supersymmetry', 'field theory, conformal', 'field theory, anti-de Sitter', 'Wilson loop', 'universality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101225'] | ['Based on the AdS/CFT correspondence, string theory has given exact predictions for circular Wilson loops in U(N) {\\cal N}=4 supersymmetric Yang-Mills theory to all orders in a 1/N expansion. These Wilson loops can also be derived from Random Matrix Theory. In this paper we show that the result is generically insensi... | ['2001-02-02'] |
1,367 | ['eng'] | ['Talalaev, D'] | ['The elliptic Gaudin system with spin'] | ['Particle Physics - Theory'] | ['fibre bundle', 'moduli space', 'integrability', 'differential geometry, symplectic', 'geometry, algebra', 'Gaudin model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101224'] | ['The elliptic Gaudin model was obtained in the framework of Hamiltonian reduction as the Hitchin system on an elliptic curve with two fixed points. In the present paper the algebraic-geometrical structure of the system is clarified, the solutions in terms of theta-functions and the action-angle variables are construct... | ['2001-02-02'] |
1,368 | ['eng'] | ['Hall, R L', 'Lucha, W', 'Schöberl, F F'] | ['Energy bounds for the spinless Salpeter equation'] | ['Particle Physics - Theory'] | ['Bethe-Salpeter equation, spinless', 'Hamiltonian formalism', 'potential, Coulomb', 'oscillator', 'energy, upper limit', 'energy, lower limit', 'operator, representation', 'spectral representation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101223'] | ['We study the spectrum of the spinless-Salpeter Hamiltonian H = \\beta \\sqrt{m^2 + p^2} + V(r), where V(r) is an attractive central potential in three dimensions. If V(r) is a convex transformation of the Coulomb potential -1/r and a concave transformation of the harmonic-oscillator potential r^2, then upper and lowe... | ['2001-02-02'] |
1,369 | ['eng'] | ['Higashijima, K', 'Yokoi, N'] | ['Spontaneous Lorentz Symmetry Breaking by Anti-Symmetric Tensor Field'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'symmetry, Lorentz', 'symmetry, spontaneously broken', 'quantization', 'Hamiltonian formalism', 'photon, Goldstone particle', 'dimension, 3', 'effective action', 'equivalence theorem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101222'] | ['We study the spontaneous Lorentz symmetry breaking in a field theoretical model in (2+1)-dimension, inspired by string theory. This model is a gauge theory of an anti-symmetric tensor field and a vector field (photon). The Nambu-Goldstone (NG) boson for the spontaneous Lorentz symmetry breaking is identified with the... | ['2001-02-02'] |
1,370 | ['eng'] | ['Liang, Y C', 'Teo, E'] | ['Black diholes with unbalanced magnetic charges'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation, solution', 'dilaton', 'symmetry, axial', 'black hole, Kerr', 'charge, magnetic', 'dimension, 2', 'membrane model', 'string model', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101221'] | ['We present a technique that can be used to generate a static, axisymmetric solution of the Einstein-Maxwell-Dilaton equations from a stationary, axisymmetric solution of the vacuum Einstein equations. Starting from the Kerr solution, Davidson and Gedalin have previously made use of this technique to obtain a pair of ... | ['2001-02-02'] |
1,371 | ['eng'] | ['Giusto, S', 'Halpern, M B'] | ['Hamiltonian Formulation of Open WZW Strings'] | ['Particle Physics - Theory'] | ['string model, open', 'field theory, conformal', 'dimension, 2', 'Hamiltonian formalism', 'differential geometry, noncommutative', 'operator, vertex', 'operator, algebra', 'Knizhnik-Zamolodchikov equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101220'] | ['Using a Hamiltonian approach, we construct the classical and quantum theory of open WZW strings on a strip. (These are the strings which end on WZW branes.) The development involves non-abelian generalized Dirichlet images in an essential way. At the classical level, we find a new non-commutative geometry in which th... | ['2001-02-02'] |
1,372 | ['eng'] | ['Cornalba, L', 'Schiappa, R'] | ['Nonassociative Star Product Deformations for D-brane Worldvolumes in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['space-time', 'membrane model, D-brane', 'field theory, deformation', 'background field', 'field theory, conformal', 'n-point function', 'effect, dielectric', 'soliton', 'tachyon', 'matrix model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101219'] | ['We investigate the deformation of D-brane world-volumes in curved backgrounds. We calculate the leading corrections to the boundary conformal field theory involving the background fields, and in particular we study the correlation functions of the resulting system. This allows us to obtain the world-volume deformatio... | ['2001-02-02'] |
1,373 | ['eng'] | ['Majid, S', 'Schücker, T'] | ['$Z_2\\times Z_2$ Lattice as a Connes-Lott-Quantum Group Model'] | ['Particle Physics - Theory'] | ['quantum group', 'differential geometry, noncommutative', 'lattice, Z(2) x Z(2)', 'operator, Dirac', 'space-time, discrete', 'gauge field theory, Yang-Mills', 'field theory, Higgs', 'cohomology', 'moduli space', 'Lagrangian formalism', 'diffeomorphism, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101217'] | ["We apply quantum group methods for noncommutative geometry to the $Z_2\\times Z_2$ lattice to obtain a natural Dirac operator on this discrete space. This then leads to an interpretation of the Higgs fields as the discrete part of spacetime in the Connes-Lott formalism for elementary particle Lagrangians. The model p... | ['2001-01-31'] |
1,374 | ['eng'] | ['Ilha, A', 'Wotzasek, C'] | ['Interference of Spin-2 Self-Dual Modes'] | ['Particle Physics - Theory'] | ['gravitation, topological', 'dimension, 3', 'Hamiltonian formalism', 'spin, 2', 'duality', 'interference'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101215'] | ['We study the effects of interference between the self-dual and anti self-dual massive modes of the linearized Einstein-Chern-Simons topological gravity. The dual models to be used in the interference process are carefully analyzed with special emphasis on their propagating spectrum. We identify the opposite dual aspe... | ['2001-01-31'] |
1,375 | ['eng'] | ['Ceresole, Anna T', "Dall'Agata, G"] | ['Brane-worlds in 5d supergravity'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'talk, Kharkov 2000/07/25', 'supergravity', 'dimension, 5', 'Randall-Sundrum model', 'supersymmetry', 'multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101214'] | ['We summarise the present status of supersymmetric Randall-Sundrum brane-world scenarios and report on their possible realisation within five-dimensional matter coupled N=2 gauged supergravity.'] | ['2001-01-31'] |
1,376 | ['eng'] | ['Behrndt, K'] | ['Domain walls and flow equations in supergravity'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'supergravity', 'domain wall', 'renormalization group, holography', 'superpotential', 'critical phenomena', 'gravitation, local', 'field theory, scalar', 'infrared problem, fixed point', 'space-time, anti-de Sitter', 'membrane model, stability', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101212'] | ["Domain wall solutions have attracted much attention due to their relevance for brane world scenarios and the holographic RG flow. In this talk I discuss the following aspects for these applications: (i) derivation of the first order flow equations as Bogomol'nyi bound; (ii) different types of critical points of the s... | ['2001-01-31'] |
1,377 | ['eng'] | ['Hikida, Y', 'Nozaki, M', 'Sugawara, Y'] | ['Formation of Spherical D2-brane from Multiple D0-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'Wess-Zumino-Witten model, SU(2)', 'path integral', 'boundary condition', 'supersymmetry', 'bound state, BPS', 'tachyon, condensation', 'sphere, fuzzy', 'Wilson loop', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101211'] | ["We study D-branes in SU(2) WZW model by means of the boundary state techniques. We realize the ``fuzzy sphere'' configuration of multiple D0-branes as the boundary state with the insertion of suitable Wilson line. By making use of the path-integral representation we show that this boundary state preserves the appropr... | ['2001-01-31'] |
1,378 | ['eng'] | ['Chaichian, Masud', 'Kobakhidze, A B', 'Tsulaia, M M'] | ['Supersymmetry breaking in 5-dimensional space-time with S**1/Z(2) compactification'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'dimension, 5', 'spontaneous compactification, orbifold', 'multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101210'] | ['We consider supersymmetric models in 5-dimensional space-time compactified on S**1/Z(2) orbifold where N=2 supersymmetry is explicitly broken down to N=1 by the orbifold projection. We find that the residual N=1 supersymmetry is broken spontaneously by a stable classical wall-like field configurations which can appea... | ['2001-01-31'] |
1,379 | ['eng'] | ['Chaichian, Masud', 'Demichev, A P', 'Sheikh-Jabbari, S', 'Tureanu, A'] | ['Quantum Theories on Noncommutative Spaces with Nontrivial Topology'] | ['Particle Physics - Theory'] | ['space-time, noncommutative', 'topology', 'operator, representation', 'Aharonov-Bohm effect', 'energy, Casimir', 'field theory, scalar', 'space-time, cylinder', 'space-time, torus', 'path integral', 'approximation, quasiclassical'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101209'] | ['After discussing the peculiarities of quantum systems on noncommutative (NC) spaces with non-trivial topology and the operator representation of the $\\star$-product on them, we consider the Aharonov-Bohm and Casimir effects for such spaces. For the case of the Aharonov-Bohm effect, we have obtained an explicit expre... | ['2001-01-31'] |
1,380 | ['eng'] | ['Rashkov, R', 'Viswanathan, K S', 'Yang, Y'] | ['Background Independent Open String Field Theory with Constant B field On the Annulus'] | ['Particle Physics - Theory'] | ['field theory, string', 'dimension, 2', 'background field, constant', 'two-point function', 'boundary condition', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101207'] | ["We study Witten's background independent open-string field theory in the presence of a constant B-field at one loop level. The Green's function and the partition function with a constant B-field are evaluated for an annulus."] | ['2001-01-31'] |
1,381 | ['eng'] | ['Acharya, B S'] | ['Confining Strings from $G_2$-holonomy spacetimes'] | ['Particle Physics - Theory'] | ['string model, confinement', 'holonomy, G(2)', 'M-theory', 'gauge field theory, SO(N)', 'gauge field theory, E(N)', 'duality', 'space-time'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101206'] | ["The low energy physics of M theory near certain singularities of $G_2$-holonomy spacetimes can be described by pure N=1 super Yang-Mills theory in four dimensions. In this note we consider the cases when the gauge group is SO(2n), E6, E7 or E8. Confining strings with precisely the expected charges are naturally ident... | ['2001-01-30'] |
1,382 | ['eng'] | ['Karp, R L', 'Esposito, F P', 'Witten, Louis'] | ['Type IIB orientifolds with discrete torsion'] | ['Particle Physics - Theory'] | ['talk, Columbus 2000/08/09', 'orientifold, Z(N) x Z(M)', 'torsion, discrete', 'tadpole', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101205'] | ['We consider compact four-dimensional ${\\bf Z_N}\\times {\\bf Z_M}$ type IIB orientifolds, for certain values of $N$ and $M$. We allow the additional feature of discrete torsion and discuss the modification of the consistency conditions arising from tadpole cancellation. We point out the differences between the cases... | ['2001-01-30'] |
1,383 | ['eng'] | ['Karp, R L'] | ['Product Integrals and Wilson loops'] | ['Particle Physics - Theory'] | ['talk, Columbus 2000/08/09', 'Wilson loop', 'transformation, gauge', 'Stokes theorem, nonabelian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101204'] | ['Using product integrals we review the unambiguous mathematical representation of Wilson line and Wilson loop operators, including their behavior under gauge transformations and the non-abelian Stokes theorem. Interesting consistency conditions among Wilson lines are also presented.'] | ['2001-01-30'] |
1,384 | ['eng'] | ['Olasagasti, I'] | ['Gravitating global defects'] | ['Particle Physics - Theory'] | ['topology, defect', 'gravitation', 'Einstein equation, solution', 'any-dimensional', 'sigma model', 'invariance, O(N)', 'field theory, scalar', 'spontaneous compactification', 'space-time, sphere'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101203'] | ['We give a prescription to add the gravitational field of a global topological defect to a solution of Einstein\'s equations in an arbitrary number of dimensions. We only demand that the original solution has a O(n) invariance with n greater or equal 3. We will see that the general effect of a global defect is to intr... | ['2001-01-30'] |
1,385 | ['eng'] | ['Chamseddine, A H', 'Volkov, M S'] | ['Non-Abelian vacua in D=5, N=4 gauged supergravity'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2) x U(1)', 'supergravity', 'dimension, 5', 'symmetry, SO(4)', 'symmetry, SO(3)', 'spinor, Killing', 'string model', 'supersymmetry', 'vacuum state', 'space-time, anti-de Sitter', 'field theory, conformal', 'Bogomolnyi equation, solution', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101202'] | ["We study essentially non-Abelian backgrounds in the five dimensional N=4 gauged SU(2)$\\times$U(1) supergravity. Static configurations that are invariant under either the SO(4) spatial rotations or with respect to the SO(3) rotations and translations along the fourth spatial coordinate are considered. By analyzing co... | ['2001-01-30'] |
1,386 | ['eng'] | ['Burdík, C', 'Pashnev, A', 'Tsulaia, M M'] | ['On the mixed symmetry irreducible representations of the Poincare group in the BRST approach'] | ['Particle Physics - Theory'] | ['group theory, Poincare', 'group theory, representation', 'Lagrangian formalism', 'invariance, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101201'] | ['The lagrangian description of irreducible massless representations of the Poincare group with the corresponding Young tableaux having two rows along with some explicit examples including the notoph and Weyl tensor is given. For this purpose is used the method of the BRST constructions adopted to the systems of second... | ['2001-01-30'] |
1,387 | ['eng'] | ["D'Alwis, S P"] | ['Boundary String Field Theory the Boundary State Formalism and D-Brane Tension'] | ['Particle Physics - Theory'] | ['field theory, string', 'duality', 'boundary condition', 'membrane model, D-brane', 'membrane, tension', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101200'] | ['Recently a boundary string field theory that had been proposed some time ago, was used to calculate correctly the ratios of D-brane (both BPS and non-BPS) tensions. We discuss how this work is related to the boundary state formalism and open string closed string duality, and argue that the latter clarifies why the co... | ['2001-01-30'] |
1,388 | ['eng'] | ['Martinec, Emil J', 'Moore, G'] | ['Noncommutative Solitons on Orbifolds'] | ['Particle Physics - Theory'] | ['soliton, noncommutative', 'orbifold', 'membrane model, D-brane', 'algebra, C*', 'differential geometry, noncommutative', 'field theory, string', 'moduli space', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101199'] | ['In the noncommutative field theory of open strings in a B-field, D-branes arise as solitons described as projection operators or partial isometries in a $C^*$ algebra. We discuss how D-branes on orbifolds fit naturally into this algebraic framework, through the examples of $R^n/G$, $T^n=R^n/Z^n$, and $T^n/G$. We also... | ['2001-01-30'] |
1,389 | ['eng'] | ['Charmousis, C', 'Emparan, R', 'Gregory, R'] | ['Self-gravity of Brane Worlds'] | ['Particle Physics - Theory'] | ['membrane model', 'gravitation', 'hierarchy', 'geometry, background', 'black hole', 'field theory, scalar', 'massless', 'coupling, minimal', 'propagator', 'Randall-Sundrum model', 'potential, scalar', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101198'] | ['We examine the inclusion of brane self-gravity in brane-world scenarios with three or more compact extra dimensions. If the brane is a thin, localized one, then we find that the geometry in its vicinity is warped in such a way that gravity on the brane can become very weak, independently of the volume of the extra di... | ['2001-01-30'] |
1,390 | ['eng'] | ['Cohen, T D'] | ['Spontaneous Parity Violation in QCD At Finite Temperature'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'finite temperature', 'parity, violation', 'symmetry, spontaneously broken', 'Vafa-Witten theorem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101197'] | ['The generalization of the Vafa-Witten theorem ruling out parity violation to QCD at finite temperature is considered. It is shown that this generalization of the theorem rules out Lorentz-invariant parity violating operators from spontaneously acquiring vacuum expectation values. However, it does not rule out Lorentz... | ['2001-01-30'] |
1,391 | ['eng'] | ['Amorim, R', 'Barcelos-Neto, J'] | ['Hamiltonian embedding of the massive noncommutative U(1) theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'massive', 'field theory, noncommutative', 'embedding', 'Hamiltonian formalism', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101196'] | ['We show that the massive noncommutative U(1) can be embedded in a gauge theory by using the BFFT Hamiltonian formalism. By virtue of the peculiar non-Abelian algebraic structure of the noncommutative massive U(1) theory, several specific identities involving Moyal commutators had to be used in order to make the embed... | ['2001-01-30'] |
1,392 | ['eng'] | ['Bellucci, S', 'Ivanov, E', 'Krivonos, S'] | ['Towards the complete N=2 superfield Born-Infeld action with partially broken N=4 supersymmetry'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'superfield', 'multiplet', 'supersymmetry, symmetry breaking', 'central charge, complex', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101195'] | ['We propose a systematic way of constructing N=2, D=4 superfield Born-Infeld action with a second nonlinearly realized N=2 supersymmetry. The latter, together with the manifest N=2 supersymmetry, form a central-charge extended N=4, D=4 supersymmetry. We embed the Goldstone-Maxwell N=2 multiplet into an infinite-dimens... | ['2001-01-30'] |
1,393 | ['eng'] | ['Birmingham, Daniel'] | ['Choptuik Scaling and Quasinormal Modes in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'black hole', 'dimension, 3', 'scaling', 'perturbation, scalar', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101194'] | ['We establish an exact connection between the Choptuik scaling parameter for the three-dimensional BTZ black hole, and the imaginary part of the quasinormal frequencies for scalar perturbations. Via the AdS/CFT correspondence, this leads to an interpretation of Choptuik scaling in terms of the timescale for return to ... | ['2001-01-30'] |
1,394 | ['eng'] | ['Sevrin, A', 'Troost, J', 'Troost, W'] | ['The non-abelian Born-Infeld action at order F^6'] | ['Particle Physics - Theory'] | ['Born-Infeld model, nonabelian', 'membrane model, D-brane', 'magnetic field', 'string model', 'gauge field theory, Yang-Mills', 'group theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101192'] | ['To gain insight into the non-abelian Born-Infeld (NBI) action, we study coinciding D-branes wrapped on tori, and turn on magnetic fields on their worldvolume. We then compare predictions for the spectrum of open strings stretching between these D-branes, from perturbative string theory and from the effective NBI acti... | ['2001-01-30'] |
1,395 | ['eng'] | ['Klishevich, S M', 'Plyushchay, M S', 'Rausch de Traubenberg, M'] | ['Fractional helicity, Lorentz symmetry breaking and anyons'] | ['Particle Physics - Theory'] | ['helicity, fractional', 'symmetry breaking, Lorentz', 'anyon', 'algebra, SL(2,C)', 'algebra, representation', 'dimensional reduction', 'dimension, 4', 'dimension, 3', 'algebra, Heisenberg', 'algebra, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101190'] | ["We show that the massless $(3+1)$-dimensional fractional helicity states cannot be described unambiguously on the basis of the infinite-dimensional representations of the $sl(2,\\CC)$ Lie algebra and that the theory of integer and half-integer helicity massless particles can be formulated only in terms of the finite-... | ['2001-01-30'] |
1,396 | ['eng'] | ['Benkaddour, I', 'Rhalami, A E L', 'Saidi, E H'] | ['Fractional Quantum Hall Excitations as RdTS Highest Weight State Representations'] | ['Particle Physics - Theory'] | ['Hall effect, fractional', 'space-time, anti-de Sitter', 'Chern-Simons term', 'gauge field theory, abelian', 'droplet', 'supersymmetry', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101188'] | ['Using the Chern-Simons effective model of fractional quantum Hall (FQH) systems, we complete partial results obtained in the literature on FQHE concerning topological orders of FQH states. We show that there exists a class of effective FQH models having the same filling fraction $\\nu$, interchanged under $ Gl(n,Z)$ ... | ['2001-01-30'] |
1,397 | ['eng'] | ['Graham, K', 'Runkel, I', 'Watts, G M T'] | ['Minimal model boundary flows and c=1 CFT'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'model, minimal', 'boundary condition', 'energy, ground state', 'energy, gap', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101187'] | ["We consider perturbations of unitary minimal models by boundary fields. Initially we consider the models in the limit as c -> 1 and find that the relevant boundary fields all have simple interpretations in this limit. This interpretation allows us to conjecture the IR limits of flows in the unitary minimal models gen... | ['2001-01-29'] |
1,398 | ['eng'] | ['Font, A', 'Klein, M', 'Quevedo, F'] | ['The Dilaton Potential from N= 1*'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dilaton, potential', 'gauge field theory, Yang-Mills', 'field theory, deformation', 'field equations, solution', 'coupling constant', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101186'] | ['Recent understanding of {\\cal N}=1* supersymmetric theory (mass deformed {\\cal N}=4) has allowed the possibility of finding an exact superpotential which encodes the properties of the different phases of the theory. We consider this superpotential as an illustrative example for the source of a nontrivial scalar pot... | ['2001-01-29'] |
1,399 | ['eng'] | ['Tachibana, M'] | ['Bulk Gauge Fields in the Bigravity Model'] | ['Particle Physics - Theory'] | ['gauge field theory', 'gravitation, model', 'space-time, anti-de Sitter', 'dimension, 5', 'membrane model', 'zero mode, massive', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101185'] | ['Motivated by a recently proposed "bigravity" model with two positive tension $AdS_4$ branes in $AdS_5$ by Kogan et al.[hep-th/0011141], we study behavior of bulk gauge field in the model. In this case, the zero mode of the gauge field is not constant but depends on the fifth dimensional coordinate transverse to the b... | ['2001-01-29'] |
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