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 |
|---|---|---|---|---|---|---|---|---|
1,500 | ['eng'] | ['Cai, R G', 'Lu, J X', 'Ohta, N', 'Roy, S', 'Wu, Y S'] | ['OM Theory and V-duality'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'membrane model', 'bound state', 'duality', 'M-theory', 'decoupling', 'spontaneous compactification'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101069'] | ["We show that the (M5, M2, M2$'$, MW) bound state solution of eleven dimensional supergravity recently constructed in hep-th/0009147 is related to the (M5, M2) bound state one by a finite Lorentz boost along a M5-brane direction perpendicular to the M2-brane. Given the (M5, M2) bound state as a defining system for OM ... | ['2001-01-12'] |
1,501 | ['eng'] | ['Tyutin, I V'] | ['The general form of the *-commutator on the Grassman algebra'] | ['Particle Physics - Theory'] | ['algebra, Grassmann', 'algebra, deformation', 'commutation relations', 'algebra, representation', 'algebra, Moyal', 'Poisson bracket, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101068'] | ['We study the general form of the *-commutator treated as a deformation of the Poisson bracket on the Grassman algebra. We show that, up to a similarity transformation, there are other deformations of the Poisson bracket in addition to the Moyal commutator (one at even and one at odd n, n is the number of the generato... | ['2001-01-12'] |
1,502 | ['eng'] | ['Koikawa, T'] | ['Soliton Equations Extracted from the Noncommutative Zero-Curvature Equation'] | ['Particle Physics - Theory'] | ['algebra, Moyal', 'gauge field theory, SL(N,C)', 'dimensional reduction', 'dimension, 2', 'dimension, 4', 'Korteweg-de Vries equation, hierarchy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101067'] | ['We investigate the equation where the commutation relation in 2-dimensional zero-curvature equation composed of the algebra-valued potentials is replaced by the Moyal bracket and the algebra-valued potentials are replaced by the non-algebra-valued ones with two more new variables. We call the 4-dimensional equation t... | ['2001-01-12'] |
1,503 | ['eng'] | ["D'Auria, R", 'Ferrara, Sergio', 'Vaulà, S'] | ['AdS_6/CFT_5 correpondence for F(4) Supergravity'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'supergravity, F(4)', 'space-time, anti-de Sitter', 'field theory, conformal', 'dimension, 6', 'dimension, 5', 'multiplet, vector', 'potential, scalar', 'gauge field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101066'] | ["F(4) supergravity, the gauge theory of the exceptional six-dimensional Anti-de Sitter superalgebra, is coupled to an arbitrary number of vector multiplets whose scalar components parametrize the quaternionic manifold SO(4,n)/SO(4)\\times SO(n). By gauging the compact subgroup SU(2)_d \\otimes G, where SU(2)_d is the ... | ['2001-01-12'] |
1,504 | ['eng'] | ['Bena, I', 'Vaman, D'] | ['The polarization of M5 branes and little string theories with reduced supersymmetry'] | ['Particle Physics - Theory'] | ['membrane model, polarization', 'string model', 'supersymmetry', 'Kaluza-Klein model', 'supergravity', 'dimension, 11', 'magnetic monopole', 'vacuum state', 'domain wall', 'baryon, vertex', 'current, perturbation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101064'] | ['We construct an M-theory dual of a 6 dimensional little string theory with reduced supersymmetry, along the lines of Polchinski and Strassler. We find that upon perturbing the (2,0) theory with an R-current, the M5 branes polarize into a wrapped Kaluza Klein monopole, whose isometry direction is along the R current. ... | ['2001-01-12'] |
1,505 | ['eng'] | ['Böhm, A', 'Kaldass, H', 'Wickramasekara, S'] | ['Relativistic Gamow Vectors I Derivation from Poles of the S-Matrix'] | ['Particle Physics - Theory'] | ['S-matrix, analytic properties', 'vector, Gamow', 'Hilbert space', 'resonance, relativistic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101063'] | ['A state vector description for relativistic resonances is derived from the first order pole of the $j$-th partial $S$-matrix at the invariant square mass value $\\sm_R=(m-i\\Gamma/2)^2$ in the second sheet of the Riemann energy surface. To associate a ket, called Gamow vector, to the pole, we use the generalized eige... | ['2001-01-12'] |
1,506 | ['eng'] | ['Marachevsky, V N'] | ['Casimir energy and realistic model of dilute dielectric ball'] | ['Particle Physics - Theory'] | ['matter, dielectric', 'energy, Casimir', 'dispersion', 'dipole, interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101062'] | ['Casimir energy of a dilute homogeneous dielectric ball at zero temperature is calculated for arbitrary physically possible frequency dispersion of dielectric permittivity $\\epsilon(i\\omega)$. There are no divergences in calculations because in the realistic model of dilute ball atoms interact at distances greater t... | ['2001-01-11'] |
1,507 | ['eng'] | ['Battye, R A', 'Carter, B'] | ['Generic junction conditions in brane-world scenarios'] | ['Particle Physics - Theory'] | ['space-time', 'membrane model', 'gravitation', 'field theory, tensor', 'differential forms', 'symmetry, Z(2)', 'coupling, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101061'] | ["We present the generic junction conditions obeyed by a co-dimension one brane in an arbitrary background spacetime. As well as the usual Darmois-Israel junction conditions which relate the discontinuity in the extrinsic curvature to the to the energy-momentum tensor of matter which is localized to the brane, we point... | ['2001-01-11'] |
1,508 | ['eng'] | ['Campos, A', 'Sopuerta, C F'] | ['Evolution of Cosmological Models in the Brane-world Scenario'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model', 'Randall-Sundrum model', 'dimension, 5', 'domain wall', 'dynamical system', 'critical phenomena', 'bifurcation', 'space-time, anisotropy', 'space-time, Bianchi'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101060'] | ['In this work we consider Randall-Sundrum brane-world type scenarios, in which the spacetime is described by a five-dimensional manifold with matter fields confined in a domain wall or three-brane. We present the results of a systematic analysis, using dynamical systems techniques, of the qualitative behaviour of the ... | ['2001-01-11'] |
1,509 | ['eng'] | ['Solovyov, A V'] | ['Correlation Functions of the Scalar Field in Background NC U(1) Yang-Mills'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'gauge field theory, U(1)', 'background field', 'correlation function', 'operator, composite', 'invariance, gauge', 'differential geometry, noncommutative', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101059'] | ['We consider the complex scalar field coupled to background NC U(1) YM and calculate the correlator of two gauge invariant composite operators. We show how the star-unitary gauge invariance is restored for higher correlators (though the Green function itself is not invariant). It is interesting that recently discovere... | ['2001-01-11'] |
1,510 | ['eng'] | ['Gu, J A', 'Ho, P M', 'Ramgoolam, S'] | ['Stringy Spacetime Uncertainty as an Alternative to Inflation'] | ['Particle Physics - Theory'] | ['string model', 'space-time, uncertainty relations', 'energy, density'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101058'] | ['In this paper we point out that the spacetime uncertainty relation proposed for string theory has strong cosmological implications that can solve the flatness problem and the horizon problem without the need of inflation. We make minimal assumptions about the very early universe.'] | ['2001-01-11'] |
1,511 | ['eng'] | ['Vázquez-Poritz, J F'] | ['Localized Massive Gravity from B Fields'] | ['Particle Physics - Theory'] | ['M-theory', 'string model', 'field equations, solution', 'domain wall', 'dimension, 5', 'background field', 'gravitation, massive', 'integrability', 'fluctuation, spectra', 'graviton', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101057'] | ['We consider five-dimensional domain-wall solutions which arise from a sphere reduction in M-theory or string theory and have the higher-dimensional interpretation as the near-horizon region of p-branes in constant, background B fields. We analyze the fluctuation spectrum of linearized gravity and find that there is a... | ['2001-01-11'] |
1,512 | ['eng'] | ['Buchel, A S'] | ['Comments on fractional instantons in N=2 gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'supersymmetry', 'instanton, fractional', 'duality', 'geometry, algebra', 'Seiberg-Witten model', 'monodromy', 'moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101056'] | ['N=1^* gauge theories are believed to have fractional instanton contributions in the confining vacua. D3 brane probe computations in gravitation dual of large-N N=2^* gauge theories point to the absence of such contributions in the low energy gauge dynamics. We study fractional instantons in N=2 SU(2) Yang-Mills theor... | ['2001-01-11'] |
1,513 | ['eng'] | ['Bilal, Adel'] | ['Introduction to Supersymmetry'] | ['Particle Physics - Theory'] | ['lectures', 'supersymmetry, algebra', 'spinor', 'group theory, Poincare', 'group theory, representation', 'superfield', 'gauge field theory', 'symmetry, spontaneously broken', 'sigma model, nonlinear', 'Seiberg-Witten model', 'duality', 'monodromy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101055'] | ['These are expanded notes of lectures given at the summer school "Gif 2000" in Paris. They constitute the first part of an "Introduction to supersymmetry and supergravity" with the second part on supergravity by J.-P. Derendinger to appear soon. The present introduction is elementary and pragmatic. I discuss: spinors ... | ['2001-01-11'] |
1,514 | ['eng'] | ['Leinaas, J M'] | ['Unruh effect in storage rings'] | ['Particle Physics - Theory'] | ['talk, Capri 2000/10/15', 'electron, storage ring', 'electron, linear accelerator', 'electron, polarized beam', 'synchrotron radiation', 'Unruh effect', 'relativity theory, general', 'field theory, vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101054'] | ['A uniformly accelerated system will get thermally excited due to interactions with the vacuum fluctuations of the quantum fields. This is the Unruh effect. Also a system accelerated in a circular orbit will be heated, but in this case complications arise relative to the linear case. An interesting question is in what... | ['2001-01-10'] |
1,515 | ['eng'] | ['de Azcárraga, J A', 'Izquierdo, J M', 'MacFarlane, A J'] | ['Hidden supersymmetries in supersymmetric quantum mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, superfield', 'hidden symmetry', 'charge, conservation law', 'cohomology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101053'] | ['We discuss the appearance of additional, hidden supersymmetries for simple 0+1 $Ad(G)$-invariant supersymmetric models and analyse some geometrical mechanisms that lead to them. It is shown that their existence depends crucially on the availability of odd order invariant skewsymmetric tensors on the (generic) compact... | ['2001-01-10'] |
1,516 | ['eng'] | ['Bassetto, A', 'Nicoli, S', 'Vian, Federica'] | ['Topological contributions in two-dimensional Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 2', 'partition function', 'group theory, geometrical', 'regularization, heat kernel'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101052'] | ['We show that keeping only the topologically trivial contribution to the average of a class function on U(N) amounts to integrating over its algebra. The goal is reached first by decompactifying an expansion over the instanton basis and then directly, by means of a geometrical procedure.'] | ['2001-01-10'] |
1,517 | ['eng'] | ['Fabbri, D', 'Fré, P'] | ['Shadow multiplets and superHiggs mechanism'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'multiplet, shadow', 'Kaluza-Klein model', 'supergravity', 'dimension, 11', 'dimensional reduction', 'effect, Higgs', 'symmetry, spontaneously broken'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101050'] | ['We discuss a general feature of Freund Rubin compactifications that was previously overlooked. It consist in a curious pairing, which we call a shadow relation, of completely different (in terms of spin and mass) fields of the dimensionally reduced theory. Particularly interesting is the case where the compactificati... | ['2001-01-10'] |
1,518 | ['eng'] | ['Lima, E', 'Ovrut, B A', 'Park, J', 'Reinbacher, R'] | ['Non-Perturbative Superpotential from Membrane Instantons in Heterotic M-Theory'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'membrane model', 'instanton', 'supersymmetry', 'superpotential', 'correction, nonperturbative', 'supergravity', 'kappa symmetry', 'effective action', 'zero mode', 'Wess-Zumino term', 'operator, Dirac', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101049'] | ['A formalism for calculating the open supermembrane contribution to the non-perturbative superpotential of moduli in heterotic M-theory is presented. This is explicitly applied to the Calabi-Yau (1,1)-moduli and the separation modulus of the end-of-the-world BPS three-branes, whose non-perturbative superpotential is c... | ['2001-01-09'] |
1,519 | ['eng'] | ['Barcelos-Neto, J'] | ['A superspace embedding of the Wess-Zumino model'] | ['Particle Physics - Theory'] | ['Wess-Zumino model', 'superspace, embedding', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101048'] | ['We embed the Wess-Zumino (WZ) model in a wider superspace than the one described by chiral and anti-chiral superfields.'] | ['2001-01-09'] |
1,520 | ['eng'] | ['Tyutin, I V'] | ['The general form of the star-product on the Grassman algebra'] | ['Particle Physics - Theory'] | ['algebra, Grassmann', 'algebra, Clifford'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101046'] | ['We study the general form of the noncommutative associative product (star-product), treated as a deformation of usual "pointwise" product, on the Grassman algebra. We show that up to a similarity transformation, there is only one such product. The relation of the algebra ${\\cal F}$, algebra of elements of the Grassm... | ['2001-01-09'] |
1,521 | ['eng'] | ['Sheikh-Jabbari, S'] | ['Noncommutative Open String Theories and Their Dualities'] | ['Particle Physics - Theory'] | ['talk, Torino 2000/10/02', 'string model, open', 'duality', 'membrane model, D-brane', 'membrane model, p-brane', 'differential geometry, noncommutative', 'symmetry, SL(2,Z)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101045'] | ['The recently found non-critical open string theories is reviewed. These open strings, noncommutative open string theories (NCOS), arise as consistent quantum theories describing the low energy theory of D-branes in a background electric B-field in the critical limit. Focusing on the D3-brane case, we construct the mo... | ['2001-01-09'] |
1,522 | ['eng'] | ['Hassaïne, M', 'Horváthy, P A'] | ['Brane-related relativistic Chaplygin gas with field-dependent Poincare symmetry'] | ['Particle Physics - Theory'] | ['membrane model', 'gas, relativistic', 'Kaluza-Klein model', 'invariance, Poincare', 'Born-Infeld model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101044'] | ["A relativistic generalization of the Chaplygin gas is derived in a Kaluza-Klein framework, using a quadratic Lagrangian. Our theory admits the field-dependent Poincar\\'e symmetry of the d-brane related Born-Infeld models of Bordemann and Hoppe, and of Jackiw and Polychronakos, to which it is secretely (but not manif... | ['2001-01-09'] |
1,523 | ['eng'] | ['Pando-Zayas, L A', 'Tseytlin, Arkady A'] | ['3-branes on spaces with R x S^2 x S^3 topology'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'membrane, fractional', 'field equations, solution', 'supergravity', 'space, sphere', 'dimension, 6'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101043'] | ['We study supergravity solutions representing D3-branes with transverse 6-space having R x S^2 x S^3 topology. We consider regular and fractional D3-branes on a natural one-parameter extensions of the standard Calabi-Yau metrics on the singular and resolved conifolds. After imposing a Z_2 identification on an angular ... | ['2001-01-09'] |
1,524 | ['eng'] | ['Sakai, N', 'Tomizawa, S'] | ['Our World as an Intersection of Walls and a String'] | ['Particle Physics - Theory'] | ['Einstein equation, solution', 'dimension, 7', 'string', 'astrophysics, fundamental constant', 'tensor, energy-momentum', 'graviton, massless', 'gravitation, correction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101042'] | ['A solution of Einstein equations is obtained for our four-dimensional world as an intersection of a wall and a string-like defect in seven-dimensional spacetime with a negative cosmological constant. A matter energy-momentum tensor localized on the wall and on the string is needed. A single massless graviton is found... | ['2001-01-09'] |
1,525 | ['eng'] | ['Itoh, T', 'Oh, P', 'Ryou, C'] | ['Gauge Symmetry Enhancement and Radiatively Induced Mass in the Large N Nonlinear Sigma Model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'coset space, SU(N)/SU(M) x U(2)', 'expansion 1/N', 'effective action', 'mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101041'] | ['We consider a hybrid of nonlinear sigma models in which two complex projective spaces are coupled with each other under a duality. We study the large N effective action in 1+1 dimensions. We find that some of the dynamically generated gauge bosons acquire radiatively induced masses which, however, vanish along the se... | ['2001-01-09'] |
1,526 | ['eng'] | ['Huang, W H'] | ['High-Temperature Effective Potential of Noncommutative Scalar Field Theory'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, noncommutative', 'effective potential', 'renormalization', 'temperature, high', 'radiative correction', 'phi**n model', 'Feynman graph, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101040'] | ['The renormalization of the effective potentials for the noncommutative scalar field theory in the high temperature are investigated to the two-loop approximation. The Feynman diagrams in evaluating the effective potential may be separated as two parts: the planar diagrams and nonplanar diagrams. The nonplanar parts, ... | ['2001-01-09'] |
1,527 | ['eng'] | ['Rudychev, I'] | ['From noncommutative string/membrane to ordinary ones'] | ['Particle Physics - Theory'] | ['string model', 'membrane model', 'field theory, noncommutative', 'approximation, decoupling', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101039'] | ['We discuss origin of equivalence between noncommutative and ordinary Yang-Mills from point of view of string theory. Working in BRST/Hamiltonian framework first we investigate string model in the decoupling limit and show that change of variables and applying the conversion of constraints of decoupled string theory g... | ['2001-01-09'] |
1,528 | ['eng'] | ['Mukohyama, S'] | ['Static solutions in the R^4 brane world'] | ['Particle Physics - Theory'] | ['membrane model, tension', 'dimension, 5', 'transformation, conformal', 'differential equations, solution', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101038'] | ['A simple five-dimensional brane world model is proposed, motivated by M-theory compactified on a six-dimensional manifold of small radius and an S^1/Z_2 of large radius. We include a leading-order higher curvature correction to the tree-level bulk action since in brane world scenarios the curvature scale in the bulk ... | ['2001-01-09'] |
1,529 | ['eng'] | ['Gates, S J', 'Nishino, H'] | ['On the Origin of The Specious'] | ['Particle Physics - Theory'] | ['supergravity, fluctuation', 'dimension, 11', 'M-theory', 'superspace, geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101037'] | ["In relation to the superspace modifications of 11D supergeometry required to describe the M-theory low-energy effective action, we present an analysis of infinitesimal supergravity fluctuations about the flat superspace limit. Our investigation confirms Howe's interpretation of our previous Bianchi identity analysis.... | ['2001-01-08'] |
1,530 | ['eng'] | ['Dalmazi, D', 'Verbaarschot, J J M'] | ['Virasoro Constraints and Flavor-Topology Duality in QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion, flavor', 'partition function', 'constraint, Virasoro', 'constraint, solution', 'duality', 'operator, Dirac', 'charge, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101035'] | ['We derive Virasoro constraints for the zero momentum part of the QCD-like partition functions in the sector of topological charge $\\nu$. The constraints depend on the topological charge only through the combination $N_f +\\beta\\nu/2$ where the value of the Dyson index $\\beta$ is determined by the reality type of t... | ['2001-01-08'] |
1,531 | ['eng'] | ['Fendley, P R'] | ['Integrable sigma models and perturbed coset models'] | ['Particle Physics - Theory'] | ['sigma model', 'dimension, 2', 'coset space', 'field theory, conformal', 'thermodynamics, Bethe ansatz', 'S-matrix', 'fusion', 'Gross-Neveu model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101034'] | ['Sigma models arise frequently in particle physics and condensed-matter physics as low-energy effective theories. In this paper I compute the exact free energy at any temperature in two hierarchies of integrable sigma models in two dimensions. These theories, the SU(N)/SO(N) and O(2P)/O(P) x O(P) models, are asymptoti... | ['2001-01-08'] |
1,532 | ['eng'] | ['Cappiello, L', 'Cristofano, G', 'Maiella, G', 'Marotta, V'] | ['Tunnelling Effects in a Brane System and Quantum Hall Physics'] | ['Particle Physics - Theory'] | ['Hall effect', 'tunneling', 'membrane model, D-brane', 'tachyon, condensation', 'field theory, conformal', 'central charge', 'operator, vertex', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101033'] | ['We argue that a system of interacting D-branes, generalizing a recent proposal, can be modelled as a Quantum Hall fluid. We show that tachyon condensation in such a system is equivalent to one particle tunnelling. In a conformal field theory effective description, that induces a transition from a theory with central ... | ['2001-01-08'] |
1,533 | ['eng'] | ['Dolgushev, V A', 'Lyakhovich, S L', 'Sharapov, A A'] | ['Wick type deformation quantization of Fedosov manifolds'] | ['Particle Physics - Theory'] | ['quantization, deformation', 'differential geometry, symplectic', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101032'] | ['A coordinate-free definition for Wick-type symbols is given for symplectic manifolds by means of the Fedosov procedure. The main ingredient of this approach is a bilinear symmetric form defined on the complexified tangent bundle of the symplectic manifold and subject to some set of algebraic and differential conditio... | ['2001-01-08'] |
1,534 | ['eng'] | ['Leao, C R', 'Rivelles, V O'] | ['Off-Shell Duality in Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'duality, off-shell', 'invariance, modular', 'transformation, SO(2)', 'transformation, SL(2,Z)', 'Maxwell equation', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101031'] | ['The classical equations of motion of Maxwell and Born-Infeld theories are known to be invariant under a duality symmetry acting on the field strengths. We implement the SL(2,Z) duality in these theories as linear but non-local transformations on the potentials. We show that the action and the partition function in th... | ['2001-01-08'] |
1,535 | ['eng'] | ['Susskind, Leonard'] | ['The Quantum Hall Fluid and Non-Commutative Chern Simons Theory'] | ['Particle Physics - Theory'] | ['Hall effect', 'fluid, quantization', 'Chern-Simons term', 'electromagnetic field', 'quasiparticle', 'statistics, fractional', 'gauge field theory, noncommutative', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101029'] | ["The first part of this paper is a review of the author's work with S. Bahcall which gave an elementary derivation of the Chern Simons description of the Quantum Hall effect for filling fraction $1/n$. The notation has been modernized to conform with standard gauge theory conventions. In the second part arguments are ... | ['2001-01-23'] |
1,536 | ['eng'] | ['Kalkkinen, J', 'Martelli, D'] | ['Holographic Renormalization Group and Fermionic Boundary Data'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'gauge field theory, tensor', 'differential forms', 'fermion', 'boundary condition', 'renormalization group', 'holography', 'duality', 'constraint', 'Ward identity', 'diffeomorphism, invariance'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101028'] | ['We discuss Holographic Renormalization Group equations in the presence of fermions and form fields in the bulk. The existence of a holographically dual quantum field theory for a given bulk gravity theory imposes consistency conditions on the ranks of the form fields, the fermion - form field couplings, and leads to ... | ['2001-01-23'] |
1,537 | ['eng'] | ['De Boer, J'] | ['The Holographic Renormalization Group'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'space-time, anti-de Sitter', 'field theory, conformal', 'renormalization group, transformation', 'holography', 'Hamilton-Jacobi equation', 'membrane model', 'domain wall', 'gravitation', 'dimension, 5', 'field theory, scalar', 'anomaly, conformal', 'astrophysics, fundamental constant', 'bib... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101026'] | ['In this lecture, we review the derivation of the holographic renormalization group given in hep-th/9912012. Some extra background material is included, and various applications are discussed.'] | ['2001-01-23'] |
1,538 | ['eng'] | ['Chalmers, G', 'Siegel, Warren'] | ['Simplifying Algebra in Feynman Graphs, Part III'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, vector', 'field theory, massive', 'symmetry, spontaneously broken', 'T-duality', 'electroweak interaction', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101025'] | ['A T-dualized selfdual inspired formulation of massive vector fields coupled to arbitrary matter is generated; subsequently its perturbative series modeling a spontaneously broken gauge theory is analyzed. The new Feynman rules and external line factors are chirally minimized in the sense that only one type of spin in... | ['2001-01-23'] |
1,539 | ['eng'] | ['Conrad, J O'] | ['On Fractional Instanton Numbers in Six Dimensional Heterotic E_8 x E_8 Orbifolds'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'string model, heterotic', 'gauge field theory, E(8) x E(8)', 'orbifold', 'dimension, 6', 'instanton', 'charge, topological', 'charge, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101023'] | ['We show how the level matching condition in six dimensional, abelian and supersymmetric orbifolds of the E_8 x E_8 heterotic string can be given equivalently in terms of fractional gauge and gravitational instanton numbers. This relation is used to restate the classification of the orbifolds in terms of flat bundles ... | ['2001-01-23'] |
1,540 | ['eng'] | ['Deriglazov, A A'] | ['Modified N=1 Green-Schwarz superstring with irreducible first class constraints'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'algebra, constraint', 'invariance, Poincare'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101022'] | ['We propose modified action which is equivalent to N=1 Green-Schwarz superstring and which allows one to realize the supplementation trick [26]. Fermionic first and second class constraints are covariantly separated, the first class constraints (1CC) turn out to be irreducible. We discuss also equations of motion in t... | ['2001-01-23'] |
1,541 | ['eng'] | ['Oehme, Reinhard'] | ['Superconvergence and Duality'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'propagator', 'sum rule', 'duality', 'algebra, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101021'] | ['Superconvergence relations for the transverse gauge field propagator can be used in order to show that the corresponding gauge quanta are not elements of the physical state space, as defined by the BRST algebra. With a given gauge group, these relations are valid for a limited region in the number of matter fields, i... | ['2001-01-23'] |
1,542 | ['eng'] | ['Herzog, C P', 'Klebanov, Igor R'] | ['Gravity Duals of Fractional Branes in Various Dimensions'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane, fractional', 'any-dimensional', 'field equations, solution', 'supergravity', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101020'] | ['We derive type II supergravity solutions corresponding to space-filling regular and fractional Dp branes on (9-p)-dimensional conical transverse spaces. Fractional Dp-branes are wrapped D(p+2)-branes; therefore, our solutions exist only if the base of the cone has a non-vanishing Betti number b_2. We also consider 11... | ['2001-01-23'] |
1,543 | ['eng'] | ['Dadhich, N K', 'Ghosh, S G'] | ['Gravitational collapse of null fluid on the brane'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 5', 'membrane model', 'gravitation', 'field equations, solution', 'boundary condition', 'black hole', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101019'] | ["We first obtain the analogue of Vaidya's solution on the brane for studying the collapse of null fluid onto a flat Minkowski cavity on the brane. Since the back-reaction of the bulk onto the brane is supposed to strengthen gravity on the brane, it would favour formation of black hole as against naked singularity. Tha... | ['2001-01-23'] |
1,544 | ['eng'] | ['Bogaerts, J A C', 'Sevrin, A', 'Troost, J', 'Troost, W', 'Van der Loo, S'] | ['D-branes and constant electro-magnetic backgrounds'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'membrane model, D-brane', 'electromagnetic field, background field', 'gauge field theory, Yang-Mills', 'string model', 'mass spectrum', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101018'] | ['We probe the effective worldvolume theory of a set of coinciding D-branes by switching on constant electro-magnetic fields on them. The comparison of the mass spectrum predicted by string theory with the mass spectrum obtained from the effective action provides insights in the structure of the effective theory.'] | ['2001-01-23'] |
1,545 | ['eng'] | ['Marcus, A'] | ['Superconformal Mechanics and the Super Virasoro Algebra'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 1', 'mechanics, classical', 'supersymmetry', 'algebra, Virasoro', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101017'] | ['We consider N=1,2 superconformal mechanics in 0+1 dimensions and show that if the Hamiltonian is invertible the superconformal generators can be used to construct half of the super Virasoro algebra. The full algebra can be derived if the special conformal generator is also invertible. The generators are quantized and... | ['2001-01-23'] |
1,546 | ['eng'] | ['Añaños, G N J', 'Svaiter, N F'] | ['The Effective Potential for Composite Operator in the Scalar Model at Finite Temperature'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'phi**n model, 6', 'any-dimensional', 'finite temperature', 'effective potential', 'operator, composite', 'expansion 1/N', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0102072'] | ['We discuss the $\\phi^4$ and $\\phi^6$ theory defined in a flat $D$-dimensional space-time. We assume that the system is in equilibrium with a thermal bath at temperature $\\beta^{-1}$. To obtain non-perturbative result, the $ 1/N $ expansion is used. The method of the composite operator (CJT) for summing a large set... | ['2001-02-14'] |
1,547 | ['eng'] | ['Liu, H', 'Michelson, J'] | ['Supergravity Couplings of Noncommutative D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supergravity', 'gauge field theory, Yang-Mills', 'Wilson loop', 'scattering amplitude, higher-order', 'differential geometry, noncommutative', 'analytic properties', 'matrix model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101016'] | ["We discuss the supergravity couplings of noncommutative D-branes by considering the disk amplitudes with one closed string insertion. The result confirms a recent proposal for the general form of the noncommutative Yang-Mills operators coupling to the massless closed string modes. The construction involves smearing Y... | ['2001-01-23'] |
1,548 | ['eng'] | ['Cornalba, L'] | ['Some Computations with Seiberg-Witten Invariant Actions'] | ['Particle Physics - Theory'] | ['talk, Torino 2000/10/02', 'Seiberg-Witten model', 'membrane model, D-brane', 'effective action', 'dimension, 2', 'T-duality', 'gauge field theory, U(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101015'] | ['We show, with a 2-dimensional example, that the low energy effective action which describes the physics of a single D-brane is compatible with T-duality whenever the corresponding U(N) non-abelian action is form-invariant under the non-commutative Seiberg-Witten transformations.'] | ['2001-01-23'] |
1,549 | ['eng'] | ['Mukhopadhyay, P', 'Sen, A'] | ['Test of Siegel Gauge for the Lump Solution'] | ['Particle Physics - Theory'] | ['boson, string', 'field theory, string', 'dimension, 26', 'membrane model, D-brane', 'field equations, solution', 'Siegel gauge', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101014'] | ['We test the validity of the Siegel gauge condition for the lump solution of cubic open bosonic string field theory by checking the equations of motion of the string field components outside the Siegel gauge. At level (3,6) approximation, the linear and quadratic terms of the equations of motion of these fields are fo... | ['2001-01-23'] |
1,550 | ['eng'] | ['Aharony, O'] | ['A note on the holographic interpretation of string theory backgrounds with varying flux'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'background field', 'holography', 'duality', 'flux', 'membrane model', 'conifold', 'analytic properties', 'vacuum state', 'effect, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101013'] | ['We discuss the field theory interpretation (via holographic duality) of some recently-discovered string theory solutions with varying flux, focusing on four dimensional theories with N=2 supersymmetry and with N=1 supersymmetry which arise as the near-horizon limits of "fractional D3-branes". We argue that in the N=2... | ['2001-01-23'] |
1,551 | ['eng'] | ['Mazur, P O'] | ['Black Uniqueness Theorems'] | ['Particle Physics - Theory'] | ['black hole, hair', 'sigma model, nonlinear', 'transformation, harmonic', 'space-time', 'Einstein-Maxwell equation', 'potential, Ernst', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101012'] | ["I review the black hole uniqueness theorem and the no hair theorems established for physical black hole stationary states by the early 80'. This review presents the original and decisive work of Carter, Robinson, Mazur and Bunting on the problem of no bifurcation and uniqueness of physical black holes. Its original v... | ['2001-01-23'] |
1,552 | ['eng'] | ['Kazakov, V', 'Kostov, Ivan K', 'Kutasov, D'] | ['A Matrix Model for the Two Dimensional Black Hole'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 2', 'matrix model', 'string model', 'vortex, condensation', 'thermodynamics', 'quantization, correction', 'field theory, conformal', 'coset space, SL(2)|U(1)', 'partition function', 'lattice, Toda'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101011'] | ['We construct and study a matrix model that describes two dimensional string theory in the Euclidean black hole background. A conjecture of V. Fateev, A. and Al. Zamolodchikov, relating the black hole background to condensation of vortices (winding modes around Euclidean time) plays an important role in the constructi... | ['2001-01-23'] |
1,553 | ['eng'] | ['Intriligator, K', 'Kleban, M', 'Kumar, J'] | ['Comments on Unstable Branes'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'membrane model, D-brane', 'string model', 'supersymmetry', 'stability', 'supergravity', 'any-dimensional', 'symmetry, Z(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101010'] | ['We argue that type II string theories contain unstable NS4 branes, which descend from a conjectured unstable M4 brane of M-theory. Assuming that an M2 brane can arise in M5 brane/anti-brane annihilation, the unstable M4 brane, and also an unstable M3 brane, must exist as sphalerons. We compare the tensions of the uns... | ['2001-01-23'] |
1,554 | ['eng'] | ['Ahluwalia, D V', 'Kirchbach, M'] | ['1\\/2,1\\/2 Representation space'] | ['Particle Physics - Theory'] | ['group theory, Lorentz', 'group theory, representation', 'particle, massive', 'spin', 'multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101009'] | ['A careful ab initio construction of the finite-mass (1/2,1/2) representation space of the Lorentz group reveals it to be a spin-parity multiplet. In general, it does not lend itself to a single-spin interpretation. We find that (1/2,1/2) representation space for massive particles naturally bifurcates into a triplet a... | ['2001-01-23'] |
1,555 | ['eng'] | ['Ferreira, C N', 'Porto, M', 'Helayël-Neto, José A'] | ['Cosmic String in the Supersymmetric CSKR Theory'] | ['Particle Physics - Theory'] | ['talk, Sao Lourenco 2000/10/23', 'astrophysics, string', 'supersymmetry', 'superfield', 'mass, topological', 'propagator', 'duality', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101008'] | ['We study a cosmic string solution of an N=1-supersymmetric version of the Cremmer-Scherk-Kalb-Ramond (CSKR) Lagrangian coupled to a vector superfield by means of a topological mass term. The 2-form gauge potential is proposed to couple non-minimally to matter, here described by a chiral scalar superfield. The importa... | ['2001-01-23'] |
1,556 | ['eng'] | ['Behrndt, K', 'Cvetic, M'] | ['Gauging of N=2 Supergravity Hypermultiplet and Novel Renormalization Group Flows'] | ['Particle Physics - Theory'] | ['supergravity', 'coset space, SU(2,1)/U(2)', 'domain wall', 'prepotential, Killing', 'renormalization group', 'gauge, abelian', 'quaternion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101007'] | ['We provide the explicit gauging of all the SU(2,1) isometries of one N=2 supergravity hyper-multiplet, which spans SU(2,1)/U(2) coset space parameterized in terms of two complex projective coordinate fields z_1 and z_2. We derive the full, explicit Killing prepotential that specifies the most general superpotential. ... | ['2001-01-23'] |
1,557 | ['eng'] | ['Vorontsova, E G', 'Sharov, G S'] | ['Black Hole Horizon in Superstring Inspired D-Dimensional Dilaton Gravity'] | ['Particle Physics - Theory'] | ['talk, Tver 2000/09/14', 'gravitation, dilaton', 'any-dimensional', 'black hole, horizon', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101004'] | ['In $D$-dimensional dilaton gravitational model stationary Schwarzschild type solutions (centrally symmetrical solutions in vacuum) are obtained. They contain the two-parameter set of solutions: the first parameter is proportional to a central mass and the second one describes intensity of the dilaton field. If the la... | ['2001-01-23'] |
1,558 | ['eng'] | ['Nojiri, S', 'Obregón, O', 'Odintsov, S D', 'Tkach, V I'] | ['String Versus Einstein Frame in AdS/CFT Induced Quantum Dilatonic Brane-World Universe'] | ['Particle Physics - Theory'] | ['membrane model, tension', 'dilaton', 'space-time, anti-de Sitter', 'field theory, conformal', 'string model', 'quantum cosmology', 'inflationary universe', 'black hole', 'gravitation, mass', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101003'] | ['AdS/CFT induced quantum dilatonic brane-world where 4d boundary is flat or de Sitter (inflationary) or Anti-de Sitter brane is considered. The classical brane tension is fixed but boundary QFT produces the effective brane tension via the account of corresponding conformal anomaly induced effective action. This result... | ['2001-01-23'] |
1,559 | ['eng'] | ['Guralnik, Z', 'Ramgoolam, S'] | ['On the Polarization of Unstable D0-Branes into Non-Commutative Odd Spheres'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'polarization', 'space, sphere', 'dimension, 3', 'differential geometry, noncommutative', 'Born-Infeld model', 'field equations, solution', 'polarization', 'tachyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0101001'] | ['We consider the polarization of unstable type IIB D0-branes in the presence of a background five-form field strength. This phenomenon is studied from the point of view of the leading terms in the non-abelian Born Infeld action of the unstable D0-branes. The equations have SO(4) invariant solutions describing a non-co... | ['2001-01-23'] |
1,560 | ['eng'] | ['Sasakura, N'] | ['Low-energy propagation modes on string network'] | ['Particle Physics - Theory'] | ['string, network', 'dimension, 2', 'lattice, deformation', 'gauge field theory, U(1)', 'energy', 'effective action', 'vertex, fluctuation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012270'] | ['We study low-energy propagation modes on string network lattice. Specifically, we consider an infinite two-dimensional regular hexagonal string network and analyze the low frequency propagation modes on it. The fluctuation modes tangent to the two-dimensional plane respect the spatial rotational symmetry on the plane... | ['2001-01-01'] |
1,561 | ['eng'] | ['Iucci, A', 'Li, K', 'Naón, C M'] | ['Non local Thirring model with spin flipping interactions'] | ['Particle Physics - Theory'] | ['Thirring model', 'field theory, nonlocal', 'dimension, 2', 'partition function', 'mass spectrum', 'spin, charge', 'many-body problem', 'bosonization', 'approximation, harmonic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012269'] | ['We extend a non local and non covariant version of the Thirring model in order to describe a many-body system with spin-flipping interactions By introducing a model with two fermion species we are able to avoid the use of non abelian bosonization which is needed in a previous approach. We obtain a bosonized expressio... | ['2001-01-01'] |
1,562 | ['eng'] | ['Lugo, A R'] | ['Correlation functions in the non-commutative Wess-Zumino-Witten model'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, U(N)', 'n-point function', 'perturbation theory, higher-order', 'renormalization', 'differential geometry, noncommutative', 'Theta parameter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012268'] | ['We develop a systematic perturbative expansion and compute the one-loop two-points, three-points and four-points correlation functions in a non-commutative version of the U(N) Wess-Zumino-Witten model in different regimes of the $\\theta$-parameter showing in the first case a kind of phase transition around the value... | ['2001-01-01'] |
1,563 | ['spa'] | ['Silva, G A'] | ['Born-Infeld action and Supersymmetry'] | ['Particle Physics - Theory'] | ['thesis', 'Born-Infeld model', 'supersymmetry, superspace', 'Higgs model', 'gauge field theory, nonabelian', 'soliton, BPS', 'field theory, action', 'string model', 'dyon', 'membrane model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012267'] | ["In the thesis we analize different problems related to the supersymmetric extension of the Dirac-Born-Infeld action. In chapter 2 we introduce the DBI action and show how it appears in string theory, we discuss also it's connection with Dp-branes. Chapter 3 is a self contained introduction to supersymmetry, with emph... | ['2001-01-01'] |
1,564 | ['eng'] | ['Lozano, G S', 'Moreno, E F', 'Schaposnik, F A'] | ['Self-dual Chern-Simons solitons in noncommutative space'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'Higgs model', 'dimension, 3', 'field equations, solution', 'space-time, noncommutative', 'soliton, BPS', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012266'] | ['We construct exact soliton solutions to the Chern-Simons-Higgs system in noncommutative space, for non-relativistic and relativistic models. In both cases we find regular vortex-like solutions to the BPS equations which approach the ordinary selfdual non-topological and topological solitons when he noncommutative par... | ['2001-01-01'] |
1,565 | ['eng'] | ['Nilles, Hans Peter'] | ['Dark Energy in Extra Dimensions and String Theory'] | ['Particle Physics - Theory'] | ['talk, Heidelberg 2000/07/10', 'talk, Geneva 2000/06/26', 'dark energy', 'astrophysics, fundamental constant', 'space-time, higher-dimensional', 'string model', 'spontaneous compactification', 'moduli space', 'dimension, 5', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012265'] | ['The smallness of the cosmological constant is one of the basic problems in particle physics and cosmology. Various attempts have been made to explain this mystery, but no satisfactory solution has been found yet. The appearance of extra dimensions in the framework of brane world systems seems to provide some new idea... | ['2001-01-01'] |
1,566 | ['eng'] | ['Ivashchuk, V D'] | ['On supersymmetric solutions in D = 11 supergravity with Ricci-flat internal spaces'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'field equations, solution', 'supersymmetry, fractional', 'M-theory', 'membrane model, p-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012263'] | ['An introduction to supersymmetric (SUSY) solutions defined on the product of Ricci-flat spaces in D= 11 supergravity is presented. The paper contains some background information: (i) decomposition relations for SUSY equations and (ii) 2^{-k}-splitting theorem that explains the appearance of N = 2^{-k} fractional supe... | ['2001-01-01'] |
1,567 | ['eng'] | ['Roh, H S'] | ['QCD Confinement and Theta Vacuum'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'confinement', 'vacuum state, Theta parameter', 'symmetry, dynamically broken', 'gluon, condensation', 'gauge field theory, SU(2) x U(1)', 'hadron, mass generation', 'symmetry breaking, chiral', 'strong interaction, CP', 'gluon, mass', 'color, current', 'Salam-Weinberg model', 'Meissner effec... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012261'] | ['This study proposes that the longstanding problems of quantum chromodynamics (QCD) as an SU(3)_C gauge theory, the confinement mechanism and \\Theta vacuum, can be resolved by dynamical spontaneous symmetry breaking (DSSB) through the condensation of singlet gluons and quantum nucleardynamics (QND) as an SU(2)_N x U(... | ['2001-01-01'] |
1,568 | ['eng'] | ['Frolov, V', 'Fursaev, D V'] | ['Mining Energy from a Black Hole by Strings'] | ['Particle Physics - Theory'] | ['black hole', 'string, excited state', 'radiation, Hawking', 'dimension, 2', 'energy, emission', 'astrophysics, string', 'string, interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012260'] | ['We discuss how cosmic strings can be used to mine energy from black holes. A string attached to the black hole gives rise to an additional channel for the energy release. It is demonstrated that when a string crosses the event horizon, its transverse degrees of freedom are thermally excited and thermal string perturb... | ['2001-01-01'] |
1,569 | ['eng'] | ['Sahraoui, E M', 'Saidi, E H'] | ['Solitons on compact and noncompact spaces in large noncommutativity'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'mass spectrum', 'bound state', 'energy', 'effective potential', 'differential geometry, noncommutative', 'soliton', 'field theory, scalar', 'space, Moyal', 'torus, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012259'] | ['We study solutions at the minima of scalar field potentials for Moyal spaces and torii in the large non-commutativity and interprete these solitons in terms of non-BPS D-branes of string theory. We derive a mass spectrum formula linking different D-branes together on quantum torii and suggest that it describes genera... | ['2000-12-29'] |
1,570 | ['eng'] | ['Kutasov, D', 'Sahakyan, D A'] | ['Comments on the Thermodynamics of Little String Theory'] | ['Particle Physics - Theory'] | ['string model', 'thermodynamics', 'holography', 'entropy', 'energy', 'field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'field theory, Liouville'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012258'] | ['We study the high energy thermodynamics of Little String Theory, using its holographic description. This leads to the entropy-energy relation $S=\\beta_H E+\\alpha\\log E+O(1/E)$. We compute $\\alpha$ and show that it is negative; as a consequence, the high energy thermodynamics is unstable. We exhibit a mode localiz... | ['2000-12-29'] |
1,571 | ['eng'] | ['Zhukovskii, V C', 'Klimenko, K G', 'Khudyakov, V V', 'Ebert, D'] | ['Magnetic catalysis of parity breaking in a massive Gross-Neveu model and high-temperature superconductivity'] | ['Particle Physics - Theory'] | ['Gross-Neveu model, massive', 'dimension, 3', 'catalysis, magnetic', 'magnetic field, external field', 'critical phenomena', 'superconducting', 'parity, dynamically broken', 'finite temperature', 'effective potential', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012256'] | ['In the framework of a (2+1)-dimensional P-even massive Gross-Neveu model, an external magnetic field is shown to induce a parity breaking first order phase transition. Possibility of applying the results obtained to description of magnetic phase transitions in high-temperature superconductors is discussed.'] | ['2000-12-29'] |
1,572 | ['eng'] | ['Ichinose, S'] | ['Pole Solution in Six Dimensions and Mass Hierarchy'] | ['Particle Physics - Theory'] | ['talk, Sendai 2000/10/23', 'gravitation', 'dimension, 4-6', 'dimensional reduction', 'Higgs model', 'field equations, solution', 'Randall-Sundrum model', 'astrophysics, fundamental constant', 'numerical calculations', 'mass, hierarchy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012255'] | ['A solution of the 6D gravitational model, which has the pole configuration, is found. The vacuum setting is done by the 6D Higgs potential and the solution is for a family of the vacuum and boundary parameters. The boundary condition is solved by the $1/k^2$-expansion (thin pole expansion) where $1/k$ is the {\\it th... | ['2000-12-29'] |
1,573 | ['eng'] | ['Imamura, Y'] | ['A D2-brane realization of Maxwell-Chern-Simons-Higgs systems'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'supersymmetry', 'Chern-Simons term', 'Higgs model', 'dimension, 3', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 2', 'p-brane, 8', 'field equations, solution', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012254'] | ['We show that N=2 supersymmetric Maxwell-Chern-Simons-Higgs systems in three dimension can be realized as gauge theories on a D2-brane in D8-branes background with a non-zero B-field. We reproduce a potential of Coulomb branch of the Chern-Simons theory as a potential of a D2-brane in a classical D8-brane solution and... | ['2000-12-29'] |
1,574 | ['eng'] | ['Rugh, S E', 'Zinkernagel, H'] | ['The Quantum Vacuum and the Cosmological Constant Problem'] | ['Particle Physics - Theory'] | ['history', 'astrophysics, fundamental constant', 'vacuum state', 'relativity theory, general', 'energy, density', 'space-time', 'quantum electrodynamics', 'electroweak interaction', 'symmetry, spontaneously broken', 'critical phenomena', 'tensor, energy-momentum', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012253'] | ['The cosmological constant problem arises at the intersection between general relativity and quantum field theory, and is regarded as a fundamental problem in modern physics. In this paper we describe the historical and conceptual origin of the cosmological constant problem which is intimately connected to the vacuum ... | ['2000-12-29'] |
1,575 | ['eng'] | ['Frolov, V', 'Zelnikov, A I'] | ['Non-Minimally Coupled Massive Scalar Field in a 2D Black Hole'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massive', 'black hole', 'radiation, Hawking', 'dimension, 2', 'gravitation, dilaton', 'potential', 'black hole, stability', 'bound state', 'two-point function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012252'] | ['We study a nonminimal massive scalar field in a 2-dimensional black hole spacetime. We consider the black hole which is the solution of the 2d dilaton gravity derived from string-theoretical models. We found an explicit solution in a closed form for all modes and the Green function of the scalar field with an arbitra... | ['2000-12-29'] |
1,576 | ['eng'] | ['Rastelli, L', 'Sen, A', 'Zwiebach, B'] | ['String Field Theory Around the Tachyon Vacuum'] | ['Particle Physics - Theory'] | ['field theory, string', 'membrane model, D-brane', 'membrane model, p-brane', 'field theory, condensation', 'operator, algebra', 'tachyon, vacuum state', 'effective action', 'soliton', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012251'] | ["Assuming that around the tachyon vacuum the kinetic term of cubic open string field theory is made purely of ghost operators we are led to gauge invariant actions which manifestly implement the absence of open string dynamics around this vacuum. We test this proposal by showing the existence of lump solutions of arbi... | ['2000-12-28'] |
1,577 | ['eng'] | ['Vainshtein, A I', 'Yung, A V'] | ['Type I Superconductivity upon Monopole Condensation in Seiberg-Witten Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry, algebra', 'Seiberg-Witten model', 'model, superconducting', 'monopole, condensation', 'mass spectrum', 'fluctuation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012250'] | ['We study the confinement scenario in N=2 supersymmetric SU(2) gauge theory near the monopole point upon breaking of N=2 supersymmetry by the adjoint matter mass term. We confirm claims made previously that the Abrikosov-Nielsen-Olesen string near the monopole point fails to be a BPS state once next-to-leading correct... | ['2000-12-28'] |
1,578 | ['eng'] | ['Duff, Michael J'] | ['State of the Unification Address'] | ['Particle Physics - Theory'] | ['talk, Columbus 2000/08/09', 'M-theory', 'membrane model', 'supersymmetry', 'astrophysics, fundamental constant', 'Randall-Sundrum model', 'dimension, >4', 'gravitation, correction', 'space-time, anti-de Sitter', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012249'] | ["After reviewing how M-theory subsumes string theory, I report broadly on some new and interesting developments, focusing on the ``brane-world'': circumventing no-go theorems for supersymmetric brane-worlds, complementarity of the Maldacena and Randall-Sundrum pictures; self-tuning of the cosmological constant. I conc... | ['2000-12-28'] |
1,579 | ['eng'] | ['Rattazzi, Riccardo', 'Zaffaroni, A'] | ['Comments on the Holographic Picture of the Randall-Sundrum Model'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, >=4', 'spontaneous compactification', 'space-time', 'fermion, flavor', 'flavor, conservation law', 'radion, stability', 'symmetry breaking', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012248'] | ['We discuss some issues about the holographic interpretation of the compact Randall-Sundrum model, which is conjectured to be dual to a 4d field theory with non-linearly realized conformal symmetry. We make several checks of this conjecture. In particular, we show that the radion couples conformally to a background 4d... | ['2000-12-28'] |
1,580 | ['eng'] | ['Hyun, S', 'Shin, H'] | ['Supersymmetry of Green-Schwarz Superstring and Matrix String Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'matrix model', 'dimension, >4', 'supergravity', 'gravitational radiation', 'light cone gauge', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012247'] | ['We study the dynamics of Green-Schwarz superstring on the gravitational wave background corresponding to the Matrix string theory and the supersymmetry transformation rules of the superstring. The dynamics is obtained in the light-cone formulation and is shown to agree with that derived from the Matrix string theory.... | ['2000-12-28'] |
1,581 | ['eng'] | ['Youm, D'] | ['Cosmology of Dilatonic Brane World'] | ['Particle Physics - Theory'] | ['membrane model', 'dilaton', 'astrophysics, model', 'radion, potential', 'Randall-Sundrum model', 'Friedman model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012246'] | ['We study cosmological solutions in the dilatonic brane world models. The effective four-dimensional equations on the brane are analyzed for the models with one positive tension brane and two branes with tensions of opposite signs. Just as in the non-dilatonic brane case, the conventional Friedmann equations of the fo... | ['2000-12-28'] |
1,582 | ['eng'] | ['Kirillov, A A', 'Serebryakov, G V'] | ['Origin of a classical space in quantum cosmologies'] | ['Particle Physics - Theory'] | ['talk, Ulyanovsk 2000/09/11', 'quantum cosmology', 'space-time, higher-dimensional', 'spontaneous compactification', 'field theory, vector', 'space, classical', 'space-time, Bianchi'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012245'] | ['The influence of vector fields on the origin of a classical space in quantum cosmologies and on the possible compactification process in multidimensional gravity is investigated. It is shown that all general features of the transition between classical and quantum regimes of the evolution can be obtained within the s... | ['2000-12-28'] |
1,583 | ['eng'] | ['Jinzenji, M', 'Sasaki, T'] | ['N=4 Supersymmetric Yang-Mills Theory on Orbifold-$T^4/{\\bf Z}_2$'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'orbifold, T(4)/Z(2)', 'partition function', 'space-time, Kaehler', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012242'] | ['We derive the partition function of N=4 supersymmetric Yang-Mills theory on orbifold-$T^4/{\\bf Z}_2$. In classical geometry, K3 surface is constructed from the orbifold-$T^4/{\\bf Z}_2$. Along the same way as the orbifold construction, we construct the partition function of K3 surface from orbifold-$T^4/{\\bf Z}_2$.... | ['2000-12-28'] |
1,584 | ['eng'] | ['Klich, I'] | ["Photon Green's function and the Casimir energy in a medium"] | ['Particle Physics - Theory'] | ['electromagnetic field', 'energy, Casimir', 'photon, two-point function', 'matter, dielectric', 'photon, velocity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012241'] | ["A new expansion is established for the Green's function of the electromagnetic field in a medium with arbitrary $\\epsilon$ and $\\mu$. The obtained Born series are shown to consist of two types of interactions - the usual terms (denoted $\\cal P$) that appear in the Lifshitz theory combined with a new kind of terms ... | ['2000-12-28'] |
1,585 | ['eng'] | ['Awad, A', 'Chamblin, A'] | ['A Bestiary of Higher Dimensional Taub-NUT-AdS Spacetimes'] | ['Particle Physics - Theory'] | ['space-time, Taub-NUT', 'space-time, anti-de Sitter', 'higher-dimensional', 'Einstein equation, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012240'] | ['We present a menagerie of solutions to the vacuum Einstein equations in six, eight and ten dimensions. These solutions describe spacetimes which are either locally asymptotically adS or locally asymptotically flat, and which have non-trivial topology. We discuss the global structure of these solutions, and their rele... | ['2000-12-27'] |
1,586 | ['eng'] | ['Cai, R G', 'Lu, J X', 'Wu, Y S'] | ['The Galilean Nature of V-duality for Noncommutative Open String and Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['string model', 'string, open', 'duality', 'differential geometry, noncommutative', 'space-time, transformation', 'holography', 'group theory, Galilei'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012239'] | ['A V-duality conjecture was put forward recently in hep-th/0006013 which consists of two parts: a) a non-trivial allowed spacetime boost for noncommutative open string theories (NCOS) is a Galileo one and b) such related NCOS theories are physically equivalent. The aim of this paper is to test a) in a gravity setup an... | ['2000-12-27'] |
1,587 | ['eng'] | ['Amelino-Camelia, G'] | ['Testable scenario for Relativity with minimum-length'] | ['Particle Physics - Theory'] | ['space-time', 'relativity theory', 'fundamental constant, length', 'velocity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012238'] | ['I propose a general class of space-times whose structure is governed by observer-independent scales of both velocity ($c$) and length (Planck length), and I observe that these space-times can naturally host a modification of FitzGerald-Lorentz contraction such that lengths which in their inertial rest frame are bigge... | ['2000-12-27'] |
1,588 | ['eng'] | ['Yoshida, K'] | ['Deconfining Phase Transition in QCD_4 and QED_4 at Finite Temperature'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'quantum electrodynamics', 'critical phenomena, confinement', 'finite temperature', 'field theory, topological', 'deformation', 'dimensional reduction', 'dimension, 4', 'dimension, 2', 'potential, linear', 'gauge, abelian', 'instanton', 'gas, Coulomb', 'Wilson loop', 'Polyakov loop', 'gauge f... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012237'] | ['We investigate the deconfining phase transition in QCD_4 and QED_4 at finite temperature using a perturbative deformation of topological quantum field theory (TQFT). A modified maximal abelian gauge (MAG) is utilized in the analysis. In this case, we can derive the linear potential studying the 2D theory through Pari... | ['2000-12-27'] |
1,589 | ['eng'] | ['Bellucci, S', 'Ivanov, E', 'Krivonos, S'] | ['N=2 and N=4 supersymmetric Born-Infeld theories from nonlinear realizations'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'superfield', 'symmetry breaking', 'supersymmetry, representation', 'nonlinear', 'field equations', 'central charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012236'] | ["Starting from nonlinear realizations of the partially broken central-charge extended N=4 and N=8 Poincar\\'e supersymmetries in D=4, we derive the superfield equations of N=2 and N=4 Born-Infeld theories. The basic objects are the bosonic Goldstone N=2 and N=4 superfields associated with the central charge generators... | ['2000-12-26'] |
1,590 | ['eng'] | ['Bachas, C P', 'Petropoulos, M'] | ['Anti-de-Sitter D-branes'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model, SL(2,R)', 'membrane model, D-brane', 'field theory, de Sitter', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012234'] | ['We study D-branes of the SL(2,\\bR) WZW model, and of its discrete orbifolds. Gluing the currents by group automorphisms leads to three types of D-branes: two-dimensional hyperbolic planes ($H_2$), de Sitter branes (dS$_2$), or anti-de-Sitter branes (AdS$_2$). We explain that the dS$_2$ branes are unphysical, because... | ['2000-12-26'] |
1,591 | ['eng'] | ['Candelas, P', 'De la Ossa, X C', 'Rodríguez-Villegas, F'] | ['Calabi-Yau Manifolds Over Finite Fields, 1'] | ['Particle Physics - Theory'] | ['space, Calabi-Yau', 'supersymmetry', 'string model', 'Seiberg-Witten model', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012233'] | ['We study Calabi-Yau manifolds defined over finite fields. These manifolds have parameters, which now also take values in the field and we compute the number of rational points of the manifold as a function of the parameters. The intriguing result is that it is possible to give explicit expressions for the number of r... | ['2000-12-26'] |
1,592 | ['eng'] | ['Lópes-Cardoso, G', 'de Wit, B', 'Käppeli, J', 'Mohaupt, T'] | ['Examples of stationary BPS solutions in N=2 supergravity theories with $R^{2}$-interactions'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'supergravity', 'soliton, BPS', 'horizon', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012232'] | ['We discuss explicit examples of BPS solutions in four-dimensional N=2 supergravity with R^2-interactions. We demonstrate how to construct solutions by iteration. Generically, the presence of higher-curvature interactions leads to non-static spacetime line elements. We comment on the existence of horizons for multi-ce... | ['2000-12-26'] |
1,593 | ['eng'] | ['Parikh, M K', 'Solodukhin, S N'] | ['de Sitter Brane Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'membrane model, de Sitter', 'graviton, propagator', 'dimension, 5', 'space-time, Minkowski', 'space-time, anti-de Sitter', 'astrophysics, fundamental constant', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012231'] | ["We find explicitly the induced graviton propagator on de Sitter branes embedded in various five-dimensional spacetimes; de Sitter branes in AdS and Minkowski space are particular cases. By studying the structure of the momentum-space propagator, we are able to extract interesting physics, much of which is qualitative... | ['2000-12-26'] |
1,594 | ['eng'] | ['Belich, H', 'Monteiro del Cima, O', 'Helayël-Neto, José A'] | ['Does the Higgs mechanism favour electron-electron bound states in Maxwell-Chern-Simons $QED_{3}$?'] | ['Particle Physics - Theory'] | ['talk, Sao Lourenco 2000/10/23', 'quantum electrodynamics', 'Chern-Simons term', 'dimension, 3', 'symmetry, spontaneously broken', 'electron electron, interaction', 'bound state, (2electron)', 'Born approximation', 'effect, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012229'] | ['The low-energy electron-electron scattering potential is derived and discussed for the Maxwell-Chern-Simons model coupled to QED_3 with spontaneous symmetry breaking. One shows that the Higgs mechanism might favour electron-electron bound states.'] | ['2000-12-25'] |
1,595 | ['eng'] | ['Shapiro, I L', 'Solà, J'] | ['Scaling behavior of the cosmological constant'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'gravitation, fundamental constant', 'scaling', 'renormalization group', 'gauge field theory, SU(2) x U(1)', 'light nucleus, production'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012227'] | ["In quantum field theory, the vacuum action is subject to renormalization and to the renormalization group running. Consequently, the ``cosmological constant'' is not a constant, still less should be zero. In this paper we continue with previous work, and derive the contributions of the light particles to the running ... | ['2000-12-25'] |
1,596 | ['eng'] | ['Starkman, G D', 'Stojkovic, D B', 'Trodden, M'] | ['Large Extra Dimensions and Cosmological Problems'] | ['Particle Physics - Theory'] | ['membrane model', 'Friedman model', 'space-time, Robertson-Walker', 'entropy', 'space-time, higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012226'] | ['We consider a variant of the brane-world model in which the universe is the direct product of a Friedmann, Robertson-Walker (FRW) space and a compact hyperbolic manifold of dimension $d\\geq2$. Cosmology in this space is particularly interesting. The dynamical evolution of the space-time leads to the injection of a l... | ['2000-12-25'] |
1,597 | ['eng'] | ['Jurco, B', 'Schupp, P', 'Wess, J'] | ['Nonabelian noncommutative gauge fields and Seiberg-Witten map'] | ['Particle Physics - Theory'] | ['talk, Torino 2000/10/02', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'regularization, Pauli-Villars', 'geometry, algebra', 'Seiberg-Witten map'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012225'] | ["Noncommutative gauge fields (similar to the type that arises in string theory with background B-fields) are constructed for arbitrary nonabelian gauge groups with the help of a map that relates ordinary nonabelian and noncommutative gauge theories (Seiberg-Witten map). As in our previous work we employ Kontsevich's f... | ['2000-12-25'] |
1,598 | ['eng'] | ['Furlan, Paolo', 'Hadjiivanov, L K', 'Todorov, I G'] | ['Indecomposable U_q(sl_n) modules for q^h = -1 and BRS intertwiners'] | ['Particle Physics - Theory'] | ['quantum group, SL(N)', 'quantum group, representation', 'operator, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012224'] | ["A class of indecomposable representations of U_q(sl_n) is considered for q an even root of unity (q^h = -1) exhibiting a similar structure as (height h) indecomposable lowest weight Kac-Moody modules associated with a chiral conformal field theory. In particular, U_q(sl_n) counterparts of the Bernard-Felder BRS opera... | ['2000-12-25'] |
1,599 | ['eng'] | ['Pearce, P A', 'Chim, L', 'Ahn, C'] | ['Excited TBA Equations I'] | ['Particle Physics - Theory'] | ['Ising model, massive', 'thermodynamics, Bethe ansatz', 'boundary condition', 'transfer matrix', 'excited state', 'renormalization group', 'lattice field theory', 'quantum number', 'energy levels', 'scaling', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012223'] | ['We consider the massive tricritical Ising model M(4,5) perturbed by the thermal operator phi_{1,3} in a cylindrical geometry and apply integrable boundary conditions, labelled by the Kac labels (r,s), that are natural off-critical perturbations of known conformal boundary conditions. We derive massive thermodynamic B... | ['2000-12-25'] |
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