Unnamed: 0 int64 0 18.1k | language stringclasses 4
values | creator stringlengths 2 137 | title stringlengths 2 217 | subject stringclasses 15
values | keyword stringlengths 10 597 | identifier stringlengths 82 244 | description stringlengths 2 2.3k | date stringlengths 14 14 |
|---|---|---|---|---|---|---|---|---|
2,800 | ['eng'] | ['Page, D N'] | ['Defining Entropy Bounds'] | ['Particle Physics - Theory'] | ['entropy', 'effect, Casimir', 'Hamiltonian formalism', 'field theory, scalar', 'density matrix', 'quantum gravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007238'] | ["Bekenstein's conjectured entropy bound for a system of linear size R and energy E, S < 2 pi E R, has counterexamples for many of the ways in which the ``system,'' R, E, and S may be defined. Here new ways are proposed to define these quantities for arbitrary nongravitational quantum field theories in flat spacetime, ... | ['2000-07-31'] |
2,801 | ['eng'] | ['Page, D N'] | ["Subsystem Entropy Exceeding Bekenstein's Bound"] | ['Particle Physics - Theory'] | ['black hole', 'energy', 'entropy, lower limit', 'field theory, scalar', 'domain wall', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007237'] | ["If Bekenstein's conjectured bound on the microcanonical entropy, S < 2 pi E R, is applied to a closed subsystem of maximal linear size R and excitation energy up through E, it can be violated by an arbitrarily large factor by a scalar field having a symmetric potential allowing domain walls, and by the electromagneti... | ['2000-07-31'] |
2,802 | ['eng'] | ['Ganor, O J', 'Mikhailov, A Yu', 'Saulina, N A'] | ['Constructions of Non Commutative Instantons on $T^{4}$ and $K_{3}$'] | ['Particle Physics - Theory'] | ['instanton, noncommutative', 'moduli space', 'space, Kaehler', 'space, torus', 'geometry, algebra', 'gauge field theory, Yang-Mills', 'quantum group', 'Seiberg-Witten model', 'T-duality', 'string model', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007236'] | ['We generalize the spectral-curve construction of moduli spaces of instantons on $\\MT{4}$ and $K_3$ to noncommutative geometry. We argue that the spectral-curves should be constructed inside a twisted $\\MT{4}$ or $K_3$ that is an elliptic fibration without a section. We demonstrate this explicitly for $T^4$ and to f... | ['2000-07-31'] |
2,803 | ['eng'] | ['David, J R'] | ['Tachyon condensation in the D0/D4 system'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 4', 'p-brane, 0', 'field theory, string', 'supersymmetry', 'tachyon, potential', 'tachyon, condensation', 'operator, vertex', 'mass spectrum', 'string, decoupling', 'membrane model, bound state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007235'] | ["The D0/D4 system with a Neveu-Schwarz B-field in the spatial directions of the D4-brane has a tachyon in the spectrum of the (0,4) strings. The tachyon signals the instability of the system to form a bound state of the D0-brane with the D4-brane. We use the Wess-Zumino-Witten like open superstring field theory formul... | ['2000-07-31'] |
2,804 | ['eng'] | ['Kalkkinen, J', 'Martelli, D'] | ['Holographic Renormalization Group with Fermions and Form Fields'] | ['Particle Physics - Theory'] | ['renormalization group, transformation', 'anomaly', 'gravitation', 'astrophysics, fundamental constant', 'Hamilton-Jacobi equation', 'constraint', 'Ward identity', 'fermion', 'differential forms', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007234'] | ['We find the Holographic Renormalization Group equations for the holographic duals of generic gravity theories coupled to form fields and spin-1/2 fermions. Using Hamilton-Jacobi theory we discuss the structure of Ward identities, anomalies, and the recursive equations for determining the divergent terms of the genera... | ['2000-07-31'] |
2,805 | ['eng'] | ['Krause, A'] | ['A Small Cosmological Constant and Backreaction of Non-Finetuned Parameters'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'membrane model', 'domain wall', 'astrophysics, fundamental constant', 'back reaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007233'] | ['We include the backreaction on the warped geometry induced by non-finetuned parameters for a recently proposed mechanism to obtain an exponentially small cosmological constant \\Lambda_4. It is shown that by separating two domain-walls by a distance 2l the cosmological constant still appears exponentially suppressed ... | ['2000-07-31'] |
2,806 | ['eng'] | ['Shurtleff, R'] | ['Rotations and e, $\\nu$ Propagators, 1'] | ['Particle Physics - Theory'] | ['electron, propagator', 'neutrino, propagator', 'symmetry, rotational', 'spinor', 'vector', 'energy-momentum', 'positron'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007232'] | ['Rotation symmetry is less constraining than space-time symmetry. The free electron propagator is a projection operator that we show can be constructed from rotation symmetric projection operators. Rotation-based identifications of time, space, energy, momentum, polarization matrices, and the positron hypothesis are d... | ['2000-07-31'] |
2,807 | ['eng'] | ['Kuzenko, S M', 'Theisen, Stefan J'] | ['Nonlinear Self-Duality and Supersymmetry'] | ['Particle Physics - Theory'] | ['talk, Bad Honnef 2000/02/21', 'talk, Vienna 2000/03', 'gauge field theory, U(1)', 'field theory, action', 'derivative, high', 'Born-Infeld model', 'duality, transformation', 'supersymmetry, superfield'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007231'] | ['We review self-duality of nonlinear electrodynamics and its extension to several Abelian gauge fields coupled to scalars. We then describe self-duality in supersymmetric models, both N = 1 and N = 2. The self-duality equations, which have to be satisfied by the action of any self-dual system, are found and solutions ... | ['2000-07-31'] |
2,808 | ['eng'] | ['Vytheeswaran, A S'] | ['Hidden Symmetries in Second Class Constrained Systems'] | ['Particle Physics - Theory'] | ['talk, Calcutta 2000/01/18', 'quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'constraint', 'Schwinger model, chiral', 'sigma model, nonlinear', 'phase space', 'hidden symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007230'] | ['For many systems with second class constraints, the question posed in the title is answered in the negative. We prove this for a range of systems with two second class constraints. After looking at two examples, we consider a fairly general proof. It is shown that, to unravel gauge invariances in second class constra... | ['2000-07-31'] |
2,809 | ['eng'] | ['Engelhardt, M', 'Faber, M', 'Reinhardt, H'] | ['Center vortex model for the infrared sector of Yang-Mills theory'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/05/12', 'gauge field theory, SU(2)', 'Wilson loop', 'vortex', 'confinement', 'string tension', 'finite temperature', 'topology', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007229'] | ['A model for the infrared sector of SU(2) Yang-Mills theory, based on magnetic vortices represented by (closed) random surfaces, is presented. The random surfaces, governed by an action penalizing curvature, are investigated using Monte Carlo methods on a hypercubic lattice. A low-temperature confining phase and a hig... | ['2000-07-31'] |
2,810 | ['eng'] | ['Clément, G', 'Galtsov, D V'] | ['Solitons and black holes in Einstein-Born-Infeld-dilaton theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'dilaton', 'gravitation', 'soliton', 'black hole', 'symmetry, SL(2,R)', 'field equations, solution', 'dimensional reduction', 'space-time, singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007228'] | ['Static spherically symmetric asymptotically flat solutions to the U(1) Born-Infeld theory coupled to gravity and to a dilaton are investigated. The dilaton enters in such a way that the theory is $SL(2,R)$- symmetric for a unit value of the dilaton coupling constant. We find globally regular solutions for any value o... | ['2000-07-31'] |
2,811 | ['eng'] | ['Niedermaier, M R'] | ['Quantized Einstein-Rosen waves, AdS_2, and spontaneous symmetry breaking'] | ['Particle Physics - Theory'] | ['gravitational radiation, polarization', 'dimension, 4', 'space-time, anti-de Sitter', 'dimension, 2', 'symmetry, O(1,1)', 'symmetry, spontaneously broken', 'field theory, scalar', 'dimension, 3', 'symmetry, SL(2,R)', 'invariance, CPT', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007227'] | ["4D cylindrical gravitational waves with aligned polarizations (Einstein-Rosen waves) are shown to be described by a weight 1/2 massive free field on the double cover of AdS_2. Thorn's C-energy is one of the sl(2,R) generators, the reconstruction from the (timelike) symmetry axis is the CFT_1 holography. Classically t... | ['2000-07-31'] |
2,812 | ['eng'] | ['Clark, T E', 'Love, S T'] | ['Effective Lagrangians, Symmetry Currents and Spontaneously Broken Extended Supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry', 'symmetry, spontaneously broken', 'fermion, Goldstone particle', 'effective Lagrangian', 'current, conservation law', 'symmetry, space-time', 'R parity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007225'] | ['The effective Lagrangian governing the self interactions of the Nambu-Goldstone fermions associated with spontaneously broken extended supersymmetry as well as their coupling to matter is presented and scrutinized. The resulting currents associated with R-symmetry, supersymmetry and space-time translations are constr... | ['2000-07-28'] |
2,813 | ['eng'] | ["D'Alwis, S P", 'Irges, N'] | ['The Cosmological Constant in Calabi-Yau 3-fold Compactifications of the Horava-Witten Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'effective action', 'supergravity', 'astrophysics, fundamental constant', 'field theory, Calabi-Yau', 'supersymmetry, symmetry breaking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007223'] | ['Brane world scenarios offer a way of setting the cosmological constant to zero after supersymmetry breaking provided there is a sufficient number of adjustable integration constants/parameters. In the case of the Horava-Witten theory compactified on a Calabi-Yau threefold, we argue that it is difficult to find enough... | ['2000-07-28'] |
2,814 | ['eng'] | ['Bastianelli, F', 'Cuoghi, G', 'Nocetti, L'] | ['Consistency conditions and trace anomalies in six dimensions'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, conformal', 'effective action', 'dimension, 6', 'anomaly, conformal', 'charge, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007222'] | ['Conformally invariant quantum field theories develop trace anomalies when defined on curved backgrounds. We study again the problem of identifying all possible trace anomalies in d=6 by studying the consistency conditions to derive their 10 independent solutions. It is known that only 4 of these solutions represent t... | ['2000-07-28'] |
2,815 | ['eng'] | ['Hill, Christopher T', 'Ramond, P'] | ['Topology in the Bulk'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'dimension, 5', 'monopole', 'instanton', 'charge, topological', 'membrane model, D-brane', 'effective Lagrangian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007221'] | ["Certain static soliton configurations of gauge fields in 4+1 dimensions correspond to the instanton in 4-Euclidean dimensions ``turned on its side,'' becoming a monopole in 4+1. The periodic instanton solution can be used with the method of images to construct solutions satisfying D-brane boundary conditions. The $\\... | ['2000-07-28'] |
2,816 | ['eng'] | ['Boulanger, N', 'Damour, Thibault Marie Alban Guillaume', 'Gualtieri, L', 'Henneaux, M'] | ['Inconsistency of interacting, multi-graviton theories'] | ['Particle Physics - Theory'] | ['dimension, >2', 'field theory, massless', 'spin, 2', 'graviton', 'field theory, action', 'transformation, Becchi-Rouet-Stora', 'ghost', 'cohomology', 'field theory, deformation', 'differential forms', 'master equation', 'gauge field theory', 'matter, coupling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007220'] | ['We investigate, in any spacetime dimension >=3, the problem of consistent couplings for a finite collection of massless, spin-2 fields described, in the free limit, by a sum of Pauli-Fierz actions. We show that there is no consistent (ghost-free) coupling, with at most two derivatives of the fields, that can mix the ... | ['2000-07-28'] |
2,817 | ['eng'] | ['Furlan, Paolo', 'Petkova, V B'] | ['Fusion Rings Related to Affine Weyl Groups'] | ['Particle Physics - Theory'] | ['talk, Clausthal 1999/07/11', 'group theory, Weyl', 'group theory, affine', 'algebra, fusion', 'algebra, representation', 'field theory, conformal', 'dimension, 2', 'field theory, rational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007219'] | ['The construction of the fusion ring of a quasi-rational CFT based on $\\hat{sl}(3)_k$ at generic level $k\\not \\in {\\Bbb Q}$ is reviewed. It is a commutative ring generated by formal characters, elements in the group ring ${\\Bbb Z}[\\tilde{W}]$ of the extended affine Weyl group $\\tilde{W}$ of $\\hat{sl}(3)_k$. So... | ['2000-07-28'] |
2,818 | ['eng'] | ['Ghilardi, M', 'Guadagnini, E'] | ['Statistical properties of classical gravitating particles in (2+1) dimensions'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'particle, relativistic', 'dimension, 3', 'gravitation', 'statistical mechanics', 'temperature, dependence', 'energy', 'entropy', 'astrophysics, model', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007218'] | ['We report the statistical properties of classical particles in (2+1) gravity as resulting from numerical simulations. Only particle momenta have been taken into account. In the range of total momentum where thermal equilibrium is reached, the distribution function and the corresponding Boltzmann entropy are computed.... | ['2000-07-28'] |
2,819 | ['eng'] | ['Sochichiu, C'] | ['Noncommutative Tachyonic Solitons. Interaction with Gauge Field'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'field theory, scalar', 'tachyon', 'differential geometry, noncommutative', 'soliton', 'membrane model, p-brane', 'membrane model, D-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007217'] | ['We show that in the presence of U(1) noncommutative gauge interaction the noncommutative tachyonic system exhibits solitonic solutions for finite value of the noncommutativity parameter.'] | ['2000-07-28'] |
2,820 | ['eng'] | ['Hong, S I', 'Kogut, J B'] | ['Symmetry Nonrestoration in a Gross-Neveu Model with Random Chemical Potential'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 3', 'dimension, 2', 'potential, chemical', 'potential, random', 'field theory, Euclidean', 'symmetry breaking, chiral', 'symmetry breaking, Z(2)', 'finite temperature', 'charge conjugation', 'critical phenomena', 'effective potential', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007216'] | ['We study the symmetry behavior of the Gross-Neveu model in three and two dimensions with random chemical potential. This is equivalent to a four-fermion model with charge conjugation symmetry as well as Z_2 chiral symmetry. At high temperature the Z_2 chiral symmetry is always restored. In three dimensions the initia... | ['2000-07-28'] |
2,821 | ['eng'] | ['Alishahiha, M', 'Oz, Y', 'Russo, Jorge G'] | ['Supergravity and Light-Like Non-commutativity'] | ['Particle Physics - Theory'] | ['supergravity', 'field equations, solution', 'membrane model, D-brane', 'membrane model, p-brane', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'string model', 'duality', 'graviton, absorption'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007215'] | ['We construct dual supergravity descriptions of field theories and little string theories with light-like non-commutativity. The field theories are realized on the world-volume of Dp branes with light-like NS $B$ field and M5 branes with light-like $C$ field. The little string theories are realized on the world-volume... | ['2000-07-27'] |
2,822 | ['eng'] | ['Ablikim, M', 'Corrigan, E'] | ['On the perturbative expansion of boundary reflection factors of the supersymmetric sinh-Gordon model'] | ['Particle Physics - Theory'] | ['sinh-Gordon model', 'supersymmetry', 'dimension, 2', 'propagator', 'boundary condition', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007214'] | ['The supersymmetric sinh-Gordon model on a half-line with integrable boundary conditions is considered perturbatively to verify conjectured exact reflection factors to one loop order. Propagators for the boson and fermion fields restricted to a half-line contain several novel features and are developed as prerequisite... | ['2000-07-27'] |
2,823 | ['eng'] | ['Acharya, B S', 'Spence, B'] | ['Flux, Supersymmetry and M theory on 7-manifolds'] | ['Particle Physics - Theory'] | ['M-theory', 'dimension, 11', 'supersymmetry, potential', 'dimension, 7', 'spontaneous compactification', 'dimension, 4', 'holonomy, G(2)', 'spinor, Killing', 'derivative, high', 'supersymmetry, symmetry breaking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007213'] | ['Various aspects of low energy M theory compactified to four dimensions are considered. If the four manifold admits a Killing spinor then supersymmetry requires that the compactification cannot be warped - in contrast to compactifications to other dimensions. If the spinor is parallel then supersymmetry requires that ... | ['2000-07-27'] |
2,824 | ['eng'] | ['Andreas, B', 'Curio, G', 'Minasian, R'] | ['Anomalous D-Brane Charge in F-Theory Compactifications'] | ['Particle Physics - Theory'] | ['F-theory', 'spontaneous compactification', 'membrane model, D-brane', 'anomaly', 'field theory, Calabi-Yau', 'geometry, algebra', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007212'] | ['Tadpole cancellation in F-theory on an elliptic Calabi-Yau fourfold $X\\rightarrow B_3$ demands some spacetime-filling three-branes (points in $B_3$). If moved to the discriminant surface, which supports the gauge group, and dissolved into a finite size instanton, the second Chern class of the corresponding bundle $E... | ['2000-07-27'] |
2,825 | ['eng'] | ['Balasubramanian, V', 'Gimon, E G', 'Minic, D', 'Rahmfeld, J'] | ['Four Dimensional Conformal Supergravity From AdS Space'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'gauge field theory', 'invariance, conformal', 'boundary condition', 'dimensional reduction', 'Kaluza-Klein model', 'dimension, 4', 'gauge field theory, Yang-Mills', 'anomaly', 'renormalization group'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007211'] | ['Exploring the role of conformal theories of gravity in string theory, we show that the minimal (N=2) gauged supergravities in five dimensions induce the multiplets and transformations of N=1 four dimensional conformal supergravity on the spacetime boundary. N=1 Poincare supergravity can be induced by explicitly break... | ['2000-07-27'] |
2,826 | ['eng'] | ['Maeda, K I', 'Torii, T', 'Narita, M', 'Yahikozawa, S'] | ['The excitation of a charged string passing through a shock wave in a charged Aichelburg-Sexl spacetime'] | ['Particle Physics - Theory'] | ['string, excited state', 'charged particle, shock waves', 'string model, singularity', 'space-time, Aichelburg-Sexl', 'string, mass', 'light cone gauge', 'gauge field theory, U(1)', 'axion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007210'] | ['We investigate how much a first-quantized charged bosonic test string gets excited after crossing a shock wave generated by a charged particle with mass $\\tilde{M}$ and charge $\\tilde{Q}$. On the basis of Kaluza-Klein theory, we pay attention to a closed string model where the charge is given by a momentum along a ... | ['2000-07-27'] |
2,827 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N'] | ['Domain Walls with Localised Gravity and Domain-Wall/QFT Correspondence'] | ['Particle Physics - Theory'] | ['supergravity', 'potential, scalar', 'field equations, solution', 'domain wall', 'M-theory', 'spontaneous compactification, sphere', 'membrane model, D-brane', 'membrane model, p-brane', 'perturbation theory, higher-order', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007209'] | ['We study general domain-wall solutions supported by a delta-function source, together with a single pure exponential scalar potential in supergravity. These scalar potentials arise from a sphere reduction in M-theory or string theory. We find several examples of flat (BPS) domain walls that lead to a localisation of ... | ['2000-07-27'] |
2,828 | ['eng'] | ['Ghosh, P K'] | ['Super-Calogero-Moser-Sutherland systems and free super-oscillators'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, symmetry breaking', 'Hamiltonian formalism', 'model, oscillator', 'operator, algebra', 'supersymmetry, OSp(2|2)', 'Calogero-Moser model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007208'] | ['We show that the supersymmetric rational Calogero-Moser-Sutherland (CMS) model of A_{N+1}-type is equivalent to a set of free super-oscillators, through a similarity transformation. We prescribe methods to construct the complete eigen-spectrum and the associated eigen-functions, both in supersymmetry preserving as we... | ['2000-07-27'] |
2,829 | ['eng'] | ['Chiou-Lahanas, C', 'Diamandis, G A', 'Georgalas, B C', 'Kapella-Economou, A E', 'Maintas, X N'] | ['Static and non-static quantum effects in two-dimensional dilaton gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'dimension, 2', 'field equations, solution', 'black hole, horizon', 'radiation, Hawking', 'effective action', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007207'] | ['We study backreaction effects in two-dimensional dilaton gravity. The backreaction comes from an $R^2$ term which is a part of the one-loop effective action arising from massive scalar field quantization in a certain approximation. The peculiarity of this term is that it does not contribute to the Hawking radiation o... | ['2000-07-27'] |
2,830 | ['eng'] | ['Banks, T', 'Dine, Michael', 'Motl, L'] | ['On Anthropic Solutions of the Cosmological Constant Problem'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'hierarchy, gauge', 'anthropic principle', 'membrane model', 'supersymmetry', 'axion', 'cosmic radiation, background', 'cosmic radiation, fluctuation', 'M-theory', 'vacuum state', 'tunneling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007206'] | ['Motivated by recent work of Bousso and Polchinski (BP), we study theories which explain the small value of the cosmological constant using the anthropic principle. We argue that simultaneous solution of the gauge hierarchy problem is a strong constraint on any such theory. We exhibit three classes of models which sat... | ['2000-07-27'] |
2,831 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Can We Live on the Brane in Schwarzschild-anti de Sitter Black Hole?'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'space-time, anti-de Sitter', 'membrane model', 'black hole', 'temperature, Hawking', 'field equations, solution', 'field theory, conformal', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007205'] | ['The model of d5 higher derivative (HD) gravity admitting Schwarzschild- -anti de Sitter Black Hole (S-AdS BH) as exact solution is considered. The surface counterterms are added to the complete action, they are fixed by the condition of finiteness of bulk AdS spacetime when brane goes to infinity. As a result the bra... | ['2000-07-27'] |
2,832 | ['eng'] | ['Gross, David J', 'Nekrasov, N A'] | ['Dynamics of Strings in Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'differential geometry, nonabelian', 'soliton, BPS', 'monopole', 'dyon', 'field equations, string', 'Theta parameter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007204'] | ['We continue our study of solitons in noncommutative gauge theories and present an extremely simple BPS solution of N=4 U(1) noncommutative gauge theory in 4 dimensions, which describes N infinite D1 strings that pierce a D3 brane at various points, in the presence of a background B-field in the Seiberg-Witten limit. ... | ['2000-07-27'] |
2,833 | ['eng'] | ['Shiromizu, T', 'Shibata, M'] | ['Black holes in the brane world'] | ['Particle Physics - Theory'] | ['black hole', 'membrane model', 'Randall-Sundrum model', 'Einstein equation, solution', 'dimension, 5', 'dimension, 4', 'boundary condition', 'horizon', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007203'] | ['We numerically construct time-symmetric initial data sets of a black hole in the Randall-Sundrum brane world model, assuming that the black hole is spherical on the brane. We find that the apparent horizon is cigar-shaped in the 5D spacetime.'] | ['2000-07-27'] |
2,834 | ['eng'] | ['Vázquez-Poritz, J F'] | ['Absorption by Nonextremal D3-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'supergravity', 'effective potential', 'dilaton', 'axion', 'field theory, vector', 'field theory, tensor', 'differential forms', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007202'] | ['We calculate the absorption probabilities for a class of massless fields whose linear perturbations leave the near-extremal D3-brane background metric unperturbed. It has previously been found that, for extremal D3-branes, these fields share the same absorption probability as that of the dilaton-axion. We find that t... | ['2000-07-26'] |
2,835 | ['eng'] | ['Fukuma, M', 'Sakai, T'] | ['Comment on Ambiguities in the Holographic Weyl Anomaly'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'any-dimensional', 'holography', 'anomaly, Weyl', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007200'] | ['We consider possible ambiguities in the holographic Weyl anomaly that are caused by local terms in the flow equation. We point out that such ambiguities actually do not give physically meaningful contributions to the Weyl anomaly.'] | ['2000-07-26'] |
2,836 | ['eng'] | ['Axenides, M', 'Floratos, Emmanuel G', 'Perivolaropoulos, L'] | ['Instabilities of Spherical Membranes in Supermembrane and Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model', 'supersymmetry', 'symmetry, rotational', 'stability', 'dimension, 6', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007198'] | ['Motivated by recent work on classical matrix membranes we study rotating ellipsoidal membranes in the framework of the light-cone supermembrane theory. We investigate stability properties of these classical solutions which are important for the quntization of super membranes. We find instability modes for various sec... | ['2000-07-26'] |
2,837 | ['eng'] | ['Kang, G', 'Myung, Y S'] | ['U(1) Gauge Field of the Kaluza-Klein Theory in the Presence of Branes'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, 5', 'dimensional reduction', 'effective action', 'gauge field theory, U(1)', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007197'] | ['We investigate the zero mode dimensional reduction of the Kaluza-Klein unifications in the presence of a single brane in the infinite extra dimension. We treat the brane as fixed, not a dynamical object, and do not require the orbifold symmetry. It seems that, contrary to the standard Kaluza-Klein models, the 4D effe... | ['2000-07-26'] |
2,838 | ['eng'] | ['Keurentjes, A'] | ['New vacua for Yang-Mills theory on a 3-torus'] | ['Particle Physics - Theory'] | ['thesis', 'gauge field theory, Yang-Mills', 'dimension, 3', 'space-time, torus', 'supersymmetry', 'boundary condition', 'Witten index', 'group theory, exceptional', 'group theory, symplectic', 'group theory, representation', 'orientifold', 'string model', 'M-theory', 'vacuum state', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007196'] | ["In this thesis we discuss recent new insights in the structure of the moduli space of flat connections of Yang-Mills theory on a 3-torus. Chapter 2 discusses the computation of Witten's index for 4-dimensional gauge theories, and the paradox that arises in comparing various computations. This was resolved by the disc... | ['2000-07-26'] |
2,839 | ['eng'] | ['Mohaupt, T'] | ['Black Hole Entropy, Special Geometry and Strings'] | ['Particle Physics - Theory'] | ['review', 'string model', 'supersymmetry', 'black hole', 'spontaneous compactification', 'field theory, Calabi-Yau', 'soliton', 'supergravity, conformal', 'reparametrization, symplectic', 'field equations', 'entropy', 'M-theory', 'particle, multiplet', 'duality', 'differential geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007195'] | ['We review work done over the last years on the macroscopic and microscopic entropy of supersymmetric black holes in fourdimensional N=2 supergravity and in N=2 compactifications of string theory and M-theory. Particular emphasis is put on the crucial role of higher curvature terms and of modifications of the area law... | ['2000-07-26'] |
2,840 | ['eng'] | ['Eguchi, Tohru', 'Getzler, E', 'Xiong, C S'] | ['Topological gravity in genus 2 with two primary fields'] | ['Particle Physics - Theory'] | ['gravitation, topological', 'dimension, 2', 'correlation function', 'Riemann surfaces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007194', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We calculate the genus 2 correlation functions of two-dimensional topological gravity, in a background with two primary fields, using the genus 2 topological recursion relations.'] | ['2000-07-26'] |
2,841 | ['eng'] | ['Bistrovic, B'] | ['Quantum mechanics with non-unitary symmetries'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'nonrelativistic', 'relativistic', 'group theory, Lorentz', 'group theory, representation', 'unitarity', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007193'] | ["This article shows how to properly extend symmetries of non-relativistic quantum mechanics to include non-unitary representations of Lorentz group for all spins. It follows from this that (almost) all existing relativistic single particle Lagrangians and equations are incorrect. This is shown in particular for Dirac'... | ['2000-07-26'] |
2,842 | ['eng'] | ['Bering, K'] | ["A Note on Non-Locality and Ostrogradski's Construction"] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'Lagrangian formalism', 'field equations', 'Hamiltonian formalism', 'invariance, gauge', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007192'] | ["We consider the Hamiltonian treatment of non-local theories and Ostrogradski's formalism. This has recently also been discussed by Woodard (hep-th/0006207) and by Gomis, Kamimura and Llosa (hep-th/0006235). In our approach we recast the second class constraints into first class constraints and invoke the boundary Poi... | ['2000-07-25'] |
2,843 | ['eng'] | ['Klebanov, Igor R', 'Strassler, M J'] | ['Supergravity and a Confining Gauge Theory'] | ['Particle Physics - Theory'] | ['space-time, conifold', 'gauge field theory, SU(N) x SU(M)', 'membrane model, D-brane', 'membrane model, p-brane', 'field equations, solution', 'supergravity', 'renormalization group', 'confinement', 'duality', 'symmetry breaking, chiral', 'field theory, deformation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007191'] | ['We revisit the singular IIB supergravity solution describing M fractional 3-branes on the conifold [hep-th/0002159]. Its 5-form flux decreases, which we explain by showing that the relevant \\NN=1 SUSY SU(N+M)xSU(N) gauge theory undergoes repeated Seiberg-duality transformations in which N -> N-M. Far in the IR the g... | ['2000-07-25'] |
2,844 | ['eng'] | ['Farina, C', 'Santos, F C', 'Tort, A C'] | ['The non-retarded dispersive force between an electrically polarizable atom and a magnetically polarizable one'] | ['Particle Physics - Theory'] | ['atom, forces', 'polarization, electric', 'polarization, magnetic', 'quantum electrodynamics, perturbation theory', 'energy, interaction', 'dispersion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007190'] | ['Using perturbative QED we show that, while the retarded dispersive force between an electrically polarizable atom and a magnetically polarizable one is proportional to $1/r^{8}$, where $r$ is the distance between the atoms, the non-retarded force is proportiaonal to $1/r^{5}$. This is a rather surprising result that ... | ['2000-07-25'] |
2,845 | ['eng'] | ['Farhi, E', 'Graham, N', 'Jaffe, R L', 'Weigel, H'] | ["Fractional and Integer Charges from Levinson's Theorem"] | ['Particle Physics - Theory'] | ['fermion', 'charge, fractional', 'gauge field theory, U(1)', 'vacuum polarization', 'bag model, chiral', 'dimension, 2', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007189'] | ["We compute fractional and integer fermion quantum numbers of static background field configurations using phase shifts and Levinson's theorem. By extending fermionic scattering theory to arbitrary dimensions, we implement dimensional regularization in a 1+1 dimensional gauge theory. We demonstrate that this regulariz... | ['2000-07-25'] |
2,846 | ['eng'] | ['Karabali, Dimitra', 'Kim, C', 'Nair, V P'] | ['Manifest covariance and the Hamiltonian approach to mass gap in (2+1)-dimensional Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 3', 'mass spectrum', 'Hamiltonian formalism', 'invariance, Lorentz', 'path integral, measure', 'mass, magnetic', 'wave function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007188'] | ['In earlier work we have given a Hamiltonian analysis of Yang-Mills theory in (2+1) dimensions showing how a mass gap could arise. The nature of the measure of integration for gauge-invariant configurations plays a crucial role in generating a gap. In this paper, we present a strategy for capturing the key properties ... | ['2000-07-25'] |
2,847 | ['eng'] | ['Hadjiivanov, L K', 'Stanev, Y S', 'Todorov, I T'] | ['Regular basis and R-matrices for the su(n)$_{k}$ Knizhnik-Zamolodchikov equation'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'symmetry, SU(N)', 'R-matrix', 'Knizhnik-Zamolodchikov equation, solution', 'braid group, representation', 'n-point function, 4', 'operator, vertex', 'chiral', 'zero mode', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007187'] | ['Dynamical R-matrix relations are derived for the group-valued chiral vertex operators in the SU(n) WZNW model from the KZ equation for a general four-point function including two step operators. They fit the exchange relations for the U_q(sl_n) covariant quantum matrix derived previously by solving the dynamical Yang... | ['2000-07-25'] |
2,848 | ['eng'] | ['Banks, T', 'Fischler, Willy'] | ['Scherk-Schwarz SUSY Breaking in Noncommutative Field Theory'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'Wess-Zumino model', 'differential geometry, noncommutative', 'mass spectrum', 'perturbation theory, higher-order', 'boundary condition', 'energy, vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007186'] | ['Motivated by a recent conjecture [1] that quantum corrections and the UV/IR connection modify the classical relation between SUSY breaking and the cosmological constant to the phenomenologically acceptable : $M_{SUSY} \\sim M_P (\\Lambda /M_P^4)^{1/8}$, we study SUSY breaking by boundary conditions in noncommutative ... | ['2000-07-25'] |
2,849 | ['eng'] | ['Moss, I G'] | ['Heat Kernel Expansions for Distributional Backgrounds'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'any-dimensional', 'vacuum state', 'fluctuation', 'heat kernel, expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007185'] | ['Heat kernel expansion coefficients are calculated for vacuum fluctuations with distributional background potentials and field strengths. Terms up to and including t^5/2 are presented.'] | ['2000-07-25'] |
2,850 | ['eng'] | ['Naganuma, M', 'Nitta, M'] | ['BPS Domain Walls in Models with Flat Directions'] | ['Particle Physics - Theory'] | ['supersymmetry', 'domain wall', 'soliton, BPS', 'potential, flat direction', 'moduli space', 'symmetry, O(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007184'] | ['We consider BPS domain walls in the four dimensional N=1 supersymmetric models with continuous global symmetry. Since the BPS equation is covariant under the global transformation, the solutions of the BPS walls also have the global symmetry. The moduli space of the supersymmetric vacua in such models have non-compac... | ['2000-07-25'] |
2,851 | ['eng'] | ['García-Recio, C', 'Salcedo, L L'] | ['Gauge invariant derivative expansion of the effective action at finite temperature and density and the scalar field in 2+1 dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, scalar', 'dimension, 3', 'dimension, 1', 'finite temperature', 'density, finite', 'effective action', 'perturbation theory, higher-order', 'expansion, derivative', 'invariance, gauge', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007183'] | ['A method is presented for the computation of the one-loop effective action at finite temperature and density. The method is based on an expansion in the number of spatial covariant derivatives. It applies to general background field configurations with arbitrary internal symmetry group and space-time dependence. Full... | ['2000-07-25'] |
2,852 | ['eng'] | ['Schreiber, A W', 'Rosenfelder, R', 'Alexandrou, C'] | ['What Can We Learn from QED at Large Couplings?'] | ['Particle Physics - Theory'] | ['talk, Adelaide 2000/03/13', 'quantum electrodynamics', 'strong coupling', 'approximation, quenching', 'electron, propagator', 'nonperturbative', 'perturbation theory, higher-order', 'Dyson-Schwinger equation', 'numerical calculations, variational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007182'] | ['In order to understand QCD at the energies relevant to hadronic physics one requires analytical methods for dealing with relativistic gauge field theories at large couplings. Strongly coupled quenched QED provides an ideal laboratory for the development of such techniques, in particular as many calculations suggest t... | ['2000-07-25'] |
2,853 | ['eng'] | ['Moffat, J W'] | ['Noncommutative Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'differential geometry, noncommutative', 'symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007181'] | ['The possible role of gravity in a noncommutative geometry is investigated. Due to the Moyal *-product of fields in noncommutative geometry, it is necessary to complexify the metric tensor of gravity. We first consider the possibility of a complex Hermitian, nonsymmetric $g_{\\mu\\nu}$ and discuss the problems associa... | ['2000-07-25'] |
2,854 | ['eng'] | ['Altaisky, M V'] | ['Field theory on a Lie group'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'path integral', 'group theory, Lie', 'group theory, geometrical', 'propagator', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007180'] | ["The $\\phi^4$ field model is generalized to the case when the field $\\phi(x)$ is defined on a Lie group: $S[\\phi]=\\int_{x\\in G} L[\\phi(x)] d\\mu(x)$, $d\\mu(x)$ is the left-invariant measure on a locally compact group $G$. For the particular case of the affine group $G:x'=ax+b,a\\in\\R_+, x,b \\in \\R^n$ t he Fe... | ['2000-07-25'] |
2,855 | ['eng'] | ['Alimohammadi, M', 'Saaidi, K'] | ['More on generalized simplicial chiral models'] | ['Particle Physics - Theory'] | ['model, chiral', 'statistical mechanics, simplex', 'symmetry, U(N)', 'partition function', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007178'] | ['By generalizing the auxiliary field term in the Lagrangian of simplicial chiral models on a (d-1)-dimensional simplex, the generalized simplicial chiral models has been introduced in \\c{Ali}. These models can be solved analytically only in d=0 and d=2 cases at large-N limit. In d=0 case, we calculate the eigenvalue ... | ['2000-07-25'] |
2,856 | ['eng'] | ['Bowcock, P', 'Charmousis, C', 'Gregory, R'] | ['General brane cosmologies and their global spacetime structure'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model', 'dimension, 5', 'field equations, solution', 'space-time, Schwarzschild', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007177'] | ['Starting from a completely general standpoint, we find the most general brane-Universe solutions for a three-brane in a five dimensional spacetime. The brane can border regions of spacetime with or without a cosmological constant. Making no assumptions other than the usual cosmological symmetries of the metric, we pr... | ['2000-07-24'] |
2,857 | ['eng'] | ['Pasquier, V'] | ['Skyrmions in the Quantum Hall effect and noncommutative solitons'] | ['Particle Physics - Theory'] | ['Skyrmion', 'Hall effect', 'soliton, noncommutative', 'dipole, condensation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007176'] | ['It has been recently shown that solitons are fundamental classical solutions of non-commutative field theories. We reconsider this issue from the standpoint of the Hall effect and identify some solutions with known solutions in the integer Hall effect with no Zeeman coupling.'] | ['2000-07-24'] |
2,858 | ['eng'] | ['Witten, Edward'] | ['Overview Of K-Theory Applied To Strings'] | ['Particle Physics - Theory'] | ['K-theory', 'membrane model, D-brane', 'membrane model, p-brane', 'differential forms', 'string model', 'supersymmetry', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'tachyon, condensation', 'geometry, algebra', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007175'] | ['K-theory provides a framework for classifying Ramond-Ramond (RR) charges and fields. K-theory of manifolds has a natural extension to K-theory of noncommutative algebras, such as the algebra considered in noncommutative Yang-Mills theory or in open string field theory. In a number of concrete problems, the K-theory a... | ['2000-07-24'] |
2,859 | ['eng'] | ['Fuchs, J', 'Huiszoon, L R', 'Schellekens, A N', 'Schweigert, C', 'Walcher, J'] | ['Boundaries, crosscaps and simple currents'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'charge conjugation, invariance', 'current', 'boundary condition', 'partition function, torus'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007174'] | ['Universal formulas for the boundary and crosscap coefficients are presented, which are valid for all symmetric simple current modifications of the charge conjugation invariant of any rational conformal field theory.'] | ['2000-07-24'] |
2,860 | ['eng'] | ['Uranga, A M'] | ['From quiver diagrams to particle physics'] | ['Particle Physics - Theory'] | ['talk, Barcelona 2000/07/10', 'string model', 'supersymmetry', 'spontaneous compactification', 'membrane model, D-brane', 'orbifold', 'orientifold', 'geometry, algebra', 'Feynman graph, quiver', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007173'] | ['Recent scenarios of phenomenologically realistic string compactifications involve the existence of gauge sectors localized on D-branes at singular points of Calabi-Yau threefolds. The spectrum and interactions in these gauge sectors are determined by the local geometry of the singularity, and can be encoded in quiver... | ['2000-07-24'] |
2,861 | ['eng'] | ['Buric, M', 'Radovanovic, V'] | ['Quantum corrections for (anti)-evaporating black hole'] | ['Particle Physics - Theory'] | ['black hole, mass', 'black hole, entropy', 'gravitation', 'symmetry, rotational', 'dilaton', 'dimension, 2', 'tensor, energy-momentum', 'radiation, Hawking', 'black hole, horizon', 'thermodynamics', 'Unruh effect', 'quantization, correction', 'back reaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007172'] | ['In this paper we analyse the quantum correction for Schwarzschild black hole in the Unruh state in the framework of spherically symmetric gravity (SSG) model. SSG is a two-dimensional dilaton model which is obtained by spherically symmetric reduction from the four-dimensional theory. We find the one-loop geometry of ... | ['2000-07-24'] |
2,862 | ['eng'] | ['Marolf, D M'] | ['Half-Branes, Singular Brane Intersections, and Kaluza-Klein reduction'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane model, interaction', 'dimension, 11', 'Kaluza-Klein model', 'soliton, BPS', 'dimensional reduction', 'supergravity', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007171'] | ["Two subtle aspects of brane intersections are investigated. The first concerns the `half-branes' that arise in discussions of the Hanany-Witten effect, often in the D0/D8 setting. The second involves the validity of seemingly singular classical BPS brane intersections. A study of holomorphic curves in the background ... | ['2000-07-24'] |
2,863 | ['eng'] | ['Johnson, C V'] | ['D-Brane Primer'] | ['Particle Physics - Theory'] | ['lectures', 'membrane model, D-brane', 'membrane model, p-brane', 'string model', 'particle, relativistic', 'partition function', 'space-time', 'supersymmetry', 'duality', 'Born-Infeld model', 'gauge field theory, Yang-Mills', 'supergravity', 'soliton, BPS', 'monopole', 'instanton', 'bound state', 'membrane, fractiona... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007170'] | ['Following is a collection of lecture notes on D-branes, which may be used by the reader as preparation for applications to modern research applications such as: the AdS/CFT and other gauge theory/geometry correspondences, Matrix Theory and stringy non-commutative geometry, etc. In attempting to be reasonably self-con... | ['2000-07-24'] |
2,864 | ['eng'] | ['Gomes, J F', 'Gueuvoghlanian, E P', 'Sotkov, G M', 'Zimerman, A H'] | ['Electrically Charged Topological Solitons'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'dimension, 2', 'duality', 'soliton, topological', 'charge, electric', 'quantization', 'operator, algebra', 'approximation, quasiclassical', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007169'] | ['Two new families of T-Dual integrable models of dyonic type are constructed. They represent specific SU(n+1) singular Non-Abelian Affine Toda models having U(1) global symmetry. Their 1-soliton spectrum contains both neutral (monopoles) and U(1) charged topological solitons (dyons) sharing the main properties of 4-di... | ['2000-07-21'] |
2,865 | ['eng'] | ['Lu, J X', 'Roy, S', 'Singh, H'] | ['SL(2, Z) Duality and 4-Dimensional Noncommutative Theories'] | ['Particle Physics - Theory'] | ['string model, open', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'duality, SL(2,Z)', 'Seiberg-Witten model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007168'] | ['We investigate how the four-dimensional noncommutative open string/Yang-Mills theory behaves under a general non-perturbative quantum $SL(2,Z)$ symmetry transformation. We discuss this by considering D3 branes in a constant background of axion, dilaton, and electric and magnetic fields (including both $ {\\bf E} \\pe... | ['2000-07-21'] |
2,866 | ['eng'] | ['Douari, J', 'Hassouni, Y'] | ['The FSUSY Hamiltonian in the connexion with the Chern-Simons gauge theory'] | ['Particle Physics - Theory'] | ['dimension, 2', 'operator, anyon', 'operator, algebra', 'operator, quon', 'supersymmetry', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007167'] | ['On the two-dimensional lattice, the construction of anyonic operators and its algebras is discussed. Thus, the fractional supersymetry (FSUSY) and the associated FSUSY Hamiltonian basing on the quonic anyons are recalled. Its particular case for bosonic anyon and fermionic anyon is given. The FSUSY Hamiltonian in the... | ['2000-07-21'] |
2,867 | ['eng'] | ['Ganor, O J', 'Karczmarek, J L'] | ['M(atrix)-Theory Scattering in OM-Theory'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'dimension, >4', 'dimensional reduction', 'supersymmetry, algebra', 'symmetry, SO(5)', 'matrix model', 'field theory, deformation', 'scattering'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007166'] | ['We study the Quantum-Mechanics on the hyper-Kahler manifold that is the blow-up of an $A_1$-singularity. This system is relevant for M(atrix)-theory as it was conjectured to describe scattering in the "noncommutative" deformation of a free 5+1D tensor multiplet in the sector with two units of longitudinal light-like ... | ['2000-07-21'] |
2,868 | ['eng'] | ['Douari, J', 'Hassouni, Y'] | ['Fractional Supersymmetry through Generalized Anyonic algebra'] | ['Particle Physics - Theory'] | ['operator, anyon', 'supersymmetry, fractional', 'operator, quon', 'quantum algebra, SL(2)', 'Hamiltonian formalism', 'phase space, Fock space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007165'] | ['The construction of anyonic operators and algebra is generalized by using quons operators. Therefore, the particular versionof fractional supersymmetry is constructed on the two-dimensional lattice by associating two generalized anyons of different kinds. The fractional supersymmetry Hamiltonian operator is obtained ... | ['2000-07-21'] |
2,869 | ['eng'] | ['Balantekin, A B'] | ['Character Expansions, Itykzon-Zuber Integrals, and the QCD Partition Function'] | ['Particle Physics - Theory'] | ['group theory, U(1)', 'expansion, character', 'quantum chromodynamics', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007161'] | ['A combinatorial formula to generate U(N) character expansions is presented. It is shown that the resulting character expansion formulas greatly simplify a number of problems where integrals over the group manifolds need to be calculated. Several examples are given, including direct and very quick calculations of the ... | ['2000-07-21'] |
2,870 | ['eng'] | ['Dimakis, A', 'Müller-Hoissen, F'] | ['Moyal Deformation, Seiberg-Witten-Map, and Integrable Models'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fibre bundle', 'field theory, deformation', 'integrability', 'Seiberg-Witten model', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007160'] | ['A covariant formalism for Moyal deformations of gauge theory and differential equations which determine Seiberg-Witten maps is presented. Replacing the ordinary product of functions by the noncommutative Moyal product, noncommutative versions of integrable models can be constructed. We explore how a Seiberg-Witten ma... | ['2000-07-21'] |
2,871 | ['eng'] | ['Bozza, Valerio', 'Veneziano, Gabriele'] | ['O(d,d)-invariant collapse/inflation from colliding superstring waves'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'scattering, plane wave', 'any-dimensional', 'symmetry, O(N,N)', 'field equations, solution', 'astrophysics, model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007159'] | ['Generalizing previous work, we study the collision of massless superstring plane waves in D space-time dimensions within an explicitly O(D-2,D-2)-invariant set of field equations. We discuss some general properties of the solutions, showing in particular that they always lead to the formation of a singularity in the ... | ['2000-07-21'] |
2,872 | ['eng'] | ['Majumder, J', 'Sen, A'] | ['Non-BPS D-branes on a Calabi-Yau Orbifold'] | ['Particle Physics - Theory'] | ['string model, D-string', 'supersymmetry', 'field theory, Calabi-Yau', 'orbifold', 'moduli space, stability', 'conservation law', 'field theory, conformal', 'geometry, algebra', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007158'] | ['A system containing a pair of non-BPS D-strings of type IIA string theory on an orbifold, representing a single D2-brane wrapped on a nonsupersymmetric 2-cycle of a Calabi-Yau 3-fold with $(h^{(1,1)},h^{(1,2)})$ = (11,11), is analyzed. In certain region of the moduli space the configuration is stable. We show that be... | ['2000-07-21'] |
2,873 | ['eng'] | ['Millar, K', 'Taylor, W', 'Van Raamsdonk, M'] | ['D-particle polarizations with multipole moments of higher-dimensional branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'p-brane, 2', 'polarization', 'moment, multipole', 'string model', 'background field', 'fermion', 'duality', 'supersymmetry, superspace', 'field equations, solution', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007157'] | ['We study the polarization states of the D0-brane in type IIA string theory. We show that in addition to states with angular momentum and magnetic dipole moments, there are polarization states of a single D0-brane with nonzero D2-brane dipole and magnetic H-dipole moments, as well as quadrupole and higher moments of v... | ['2000-07-20'] |
2,874 | ['eng'] | ['Chaichian, Masud', 'Demichev, A P', 'Presnajder, P', 'Tureanu, A'] | ['Space-Time Noncommutativity, Discreteness of Time and Unitarity'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'space-time', 'differential geometry, noncommutative', 'perturbation theory, higher-order', 'unitarity', 'time, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007156'] | ['Violation of unitarity for noncommutative field theory on compact space-times is considered. Although such theories are free of ultraviolet divergences, they still violate unitarity while in a usual field theory such a violation occurs when the theory is nonrenormalizable. The compactness of space-like coordinates im... | ['2000-07-20'] |
2,875 | ['eng'] | ['Hssaini, M', 'Sedra, M B', 'Bennai, M', 'Maroufi, B'] | ["On the Fairlie's Moyal formulation of M(atrix) theory"] | ['Particle Physics - Theory'] | ['M-theory', 'dimension, 10', 'gauge field theory, U(N)', 'supersymmetry', 'expansion 1/N', 'matrix model', 'membrane model', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007155'] | ["Starting from the Moyal formulation of M-theory in the large N-limit, we propose to reexamine the associated membrane equations of motion in 10 dimensions formulated in terms of Poisson bracket. Among the results obtained, we rewrite the coupled first order Nahm's equations into a simple form leading in turn to their... | ['2000-07-20'] |
2,876 | ['eng'] | ['Pawelczyk, J', 'Rey, S J'] | ['Ramond-Ramond Flux Stabilization of D-Branes'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'membrane model, D-brane', 'membrane model, p-brane', 'flux', 'stability', 'Gauss law', 'supergravity, background field', 'charge, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007154'] | ["In AdS_n x S^m threaded by N-units of Ramond-Ramond flux, dynamics of Dm-brane wrapped on S^{m-1} embedded in S^m is investigated. It is found that the wrapped D-brane is stable both locally and globally and, on AdS_n, behaves effectively as a fundamental string. It is also claimed that, that semi-infinite partially ... | ['2000-07-20'] |
2,877 | ['eng'] | ['Sen, A', 'Zwiebach, B'] | ['Large Marginal Deformations in String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'field theory, deformation', 'string, boson', 'Wilson line', 'background field', 'effective potential', 'tachyon', 'membrane model, D-brane', 'field equations, solution', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007153'] | ['We use the level truncation scheme to obtain accurate descriptions of open bosonic string field configurations corresponding to large marginal deformations such as background Wilson lines. To do so, we solve for all fields as functions of the massless string field, and confirm that the effective potential of the mass... | ['2000-07-20'] |
2,878 | ['eng'] | ['Labastida, J M F'] | ['Knot Invariants and Chern-Simons Theory'] | ['Particle Physics - Theory'] | ['talk, Barcelona 2000/07/10', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 3', 'knot theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007152'] | ['A brief review of the development of Chern-Simons gauge theory since its relation to knot theory was discovered in 1988 is presented. The presentation is done guided by a dictionary which relates knot theory concepts to quantum field theory ones. From the basic objects in both contexts the quantities leading to knot ... | ['2000-07-20'] |
2,879 | ['eng'] | ['Rausch de Traubenberg, M'] | ['Fractional Supersymmetry and Lie Algebras'] | ['Particle Physics - Theory'] | ['talk, Rabat 2000/06/16', 'algebra, Lie', 'commutation relations', 'algebra, representation', 'operator, differential', 'supersymmetry, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007150'] | ['Supersymmetry and super-Lie algebras have been consistently generalized previously. The so-called fractional supersymmetry and $F-$Lie algebras could be constructed starting from any representation $\\D$ of any Lie algebra $g$. This involves taking the $F^{\\mathrm th}$ root of $\\D$ in some sense. We show, after hav... | ['2000-07-20'] |
2,880 | ['eng'] | ['Shurgaia, A V', 'Müller-Kirsten, H J W', 'Liang, J Q', 'Park, D K'] | ['Finite Temperature Tunneling and Phase Transitions in SU(2)-Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'field theory, action', 'finite temperature', 'tunneling', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007149'] | ['A pure Yang-Mills theory extended by addition of a quartic term is considered in order to study the transition from the quantum tunneling regime to that of classical, i.e. thermal, behaviour. The periodic field configurations are found, which interpolate between the vacuum and sphaleron field configurations. It is sh... | ['2000-07-20'] |
2,881 | ['eng'] | ['Banerjee, R', 'Kumar, S', 'Mandal, S S'] | ['Self dual models and mass generation in planar field theory'] | ['Particle Physics - Theory'] | ['field theory, vector', 'duality', 'dimension, 3', 'mass, topological', 'mass generation', 'Hamiltonian formalism', 'fermion', 'bosonization', 'field theory, planar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007148'] | ['We analyse in three space-time dimensions, the connection between abelian self dual vector doublets and their counterparts containing both an explicit mass and a topological mass. Their correspondence is established in the lagrangian formalism using an operator approach as well as a path integral approach. A canonica... | ['2000-07-20'] |
2,882 | ['eng'] | ['Harmark, T'] | ['Open Branes in Space-Time Non-Commutative Little String Theory'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'membrane model, p-brane', 'bound state', 'differential geometry, noncommutative', 'dimension, 6', 'dimension, 5', 'duality', 'thermodynamics', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007147'] | ['We conjecture the existence of two new non-gravitational six-dimensional string theories, defined as the decoupling limit of NS5-branes in the background of critical electrical two- and three-form RR fields. These theories are space-time non-commutative Little String Theories with open branes. The theory with $(2,0)$... | ['2000-07-19'] |
2,883 | ['eng'] | ['Banks, T'] | ['Cosmological Breaking of Supersymmetry?'] | ['Particle Physics - Theory'] | ['M-theory', 'supersymmetry, symmetry breaking', 'astrophysics, fundamental constant', 'renormalization', 'black hole', 'vacuum state', 'space-time, de Sitter', 'entropy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007146'] | ['It is conjectured that M-theory in asymptotically flat spacetime must be supersymmetric, and that the observed SUSY breaking in the low energy world must be attributed to the existence of a nonzero cosmological constant. This would be consistent with experiment, if the {\\it critical exponent} $\\alpha$ in the relati... | ['2000-07-19'] |
2,884 | ['eng'] | ['Kaganovich, A B'] | ['Field theory model giving rise to "quintessential inflation" without the cosmological constant and other fine tuning problems'] | ['Particle Physics - Theory'] | ['inflationary universe', 'quintessence', 'effective action', 'measure', 'field theory, tensor', 'field theory, scalar', 'quantization', 'gravitation, background', 'transformation, conformal', 'coupling, Yukawa', 'fermion, mass', 'astrophysics, fundamental constant', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007144'] | ['A field theory is developed based on the idea that the effective action of yet unknown fundamental theory, at energy scale below M_{p} has the form of expansion in two measures: S=\\intd^{4}x[\\Phi L_{1}+\\sqrt{-g}L_{2}] where the new measure \\Phi is defined using the third-rank antisymmetric tensor. In the new vari... | ['2000-07-19'] |
2,885 | ['eng'] | ['Belhaj, A', 'Saidi, E H'] | ['On HyperKahler Singularities'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)**N', 'superspace, harmonic', 'supersymmetry, charge', 'symmetry, SU(2)', 'differential geometry, Kaehler', 'vacuum state, moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007143'] | ['Using a geometric realization of the $SU(2)_R$ symmetry and a procedure of factorisation of the gauge and $SU(2)_R$ charges, we study the small instanton singularities of the Higgs branch of supersymmetric $U(1)^r$ gauge theories with eight supercharges. We derive new solutions for the moduli space of vacua preservin... | ['2000-07-19'] |
2,886 | ['eng'] | ['Benkaddour, I', 'Rhalami, A E L', 'Saidi, E H'] | ['Non Trivial Extension of the (1+2)-Poincaré Algebra and Conformal Invariance on the Boundary of $AdS_{3}$'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'boundary condition', 'algebra, Poincare', 'invariance, conformal', 'algebra, Virasoro', 'algebra, Kac-Moody', 'algebra, representation', 'supersymmetry', 'spectral representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007142'] | ["Using recent results on string on $AdS_{3}\\times N^d$, where N is a d-dimensional compact manifold, we re-examine the derivation of the non trivial extension of the (1+2) dimensional-Poincar\\'e algebra obtained by Rausch de Traubenberg and Slupinsky, refs [1] and [29]. We show by explicit computation that this new ... | ['2000-07-19'] |
2,887 | ['eng'] | ['Ishikawa, H', 'Watamura, S'] | ['Free Field Realization of D-brane in Group Manifold'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'phase space, boundary condition', 'group theory, SU(2)', 'group theory, geometrical', 'group theory, representation', 'operator product expansion', 'current algebra', 'cohomology, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007141'] | ["We construct the boundary state for the D-brane in the SU(2) group manifold directly in terms of the group variables. We propose a matching condition for the left- and the right-moving sectors including the zero modes that describes a D-brane of the Neumann-type. The free field realization of the WZW model is used to... | ['2000-07-19'] |
2,888 | ['eng'] | ['Lee, B H', 'Lee, K', 'Yang, H S'] | ['The CP(n) Model on Noncommutative Plane'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'dimension, 3', 'energy, lower limit', 'soliton', 'charge, topological', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007140'] | ['We construct the consistent CP(n) model on noncommutative plane. The Bogomolny bound on the energy is saturated by (anti-)self-dual solitons with integer topological charge, which is independent of their scaling and orientation. This integer quantization is satisfied only for the field configurations without any sing... | ['2000-07-19'] |
2,889 | ['eng'] | ['Dietrich, D D', 'Nayak, G C', 'Greiner, W'] | ['Phase Space Description of the Quark and Gluon Production from a Space-Time Dependent Chromofield'] | ['Particle Physics - Theory'] | ['quantum chromodynamics, vacuum state', 'quark, production', 'gluon, production', 'external field, color', 'background field', 'angular distribution, parton', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007139'] | ['We derive source terms for the production of quarks and gluons from the QCD vacuum in the presence of a space-time dependent external chromofield $A_{cl}$. We found that the source terms for the parton production processes $A_{cl} --> q\\bar{q}, gg$ also include the annihilation processes $q\\bar{q}, gg --> A_{cl}$. ... | ['2000-07-19'] |
2,890 | ['eng'] | ['Blasone, M', 'Jizba, P', 'Vitiello, G'] | ['Dissipation and quantization'] | ['Particle Physics - Theory'] | ['dissipation', 'quantization', 'oscillator', 'Berry phase'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007138'] | ['By resorting to \'t Hooft\'s proposal, according to which information loss leads to ``an apparent quantization of the orbits which resembles the quantum structure seen in the real world", and to the notion of dissipative interference phase elsewhere introduced, we show that the dissipation term in the Hamiltonian for... | ['2000-07-19'] |
2,891 | ['eng'] | ['Belhaj, A', 'Hssaini, M', 'Sahraoui, E L', 'Saidi, E H'] | ['Explicit Derivation of Yang-Mills Self-Dual Solutions on non-Commutative Harmonic Space'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'superspace, harmonic', 'differential geometry, noncommutative', 'field theory, deformation', 'duality', 'symmetry, SU(2)', 'constraint, solution', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007137'] | ['We develop the noncommutative harmonic space (NHS) analysis to study the problem of solving the non-linear constraint eqs of noncommutative Yang-Mills self-duality in four-dimensions. We show that this space, denoted also as NHS($\\eta,\\theta$), has two SU(2) isovector deformations $\\eta^{(ij)}$ and $\\theta^{(ij)}... | ['2000-07-18'] |
2,892 | ['eng'] | ['Kondrashuk, I N'] | ['The solution to Slavnov-Taylor identities in D4 N=1 SYM'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'superfield', 'path integral', 'background field', 'effective action', 'Slavnov identity, solution', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007136'] | ['D4 N=1 SYM with an arbitrary chiral background superfield as the gauge coupling is considered. The solution to Slavnov-Taylor identities has been given. It has been shown that the solution is unique and allows us to restrict the gauge part of the effective action. Under the effective action in this paper we mean the ... | ['2000-07-18'] |
2,893 | ['eng'] | ['Chernodub, M N', 'Gubarev, F V', 'Polikarpov, M I', 'Zakharov, V I'] | ['Magnetic monopoles, alive'] | ['Particle Physics - Theory'] | ['review', 'gauge field theory, Yang-Mills', 'field theory, scalar', 'magnetic monopole', 'field equations, solution', 'perturbation theory, higher-order', 'dependence, gauge', 'regularization, lattice', 'effective Lagrangian', 'scaling, Casimir', 'duality', 'potential', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007135'] | ['We review recent developments in understanding the physics of the magnetic monopoles in unbroken non-Abelian gauge theories. Since numerical data on the monopoles are accumulated in lattice simulations, the continuum theory is understood as the limiting case of the lattice formulation. In this review, written for a m... | ['2000-07-18'] |
2,894 | ['eng'] | ['Pando-Zayas, L A'] | ['Ricci-Parallelizable Spaces in the NS-NS Sector'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'gravitation', 'field theory, scalar', 'field theory, tensor', 'dimension, 10', 'space-time, anti-de Sitter', 'torsion', 'differential geometry', 'octonion', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007134'] | ['We provide a class of nondilatonic solutions to the NS-NS sector of string theory. The solutions consist of products of Ricci-parallelizable spaces with adjusted radii. A representative of this class, AdS_3\\times S^7, is presented in detail. Some comments on possible brane connections are made.'] | ['2000-07-18'] |
2,895 | ['eng'] | ['Ennes, I P', 'Lozano, C', 'Naculich, S', 'Schnitzer, H J'] | ['Seiberg-Witten curves for elliptic models'] | ['Particle Physics - Theory'] | ['talk, Montreal 2000/03/22', 'gauge field theory, SU(N) x SU(M)', 'supersymmetry', 'membrane model', 'dimension, >4', 'Seiberg-Witten model', 'geometry, algebra', 'instanton', 'prepotential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007133'] | ['Four-dimensional N=2 gauge theories may be obtained from configurations of D-branes in type IIA string theory. Unitary gauge theories with two-index representations, and orthogonal and symplectic gauge theories, are constructed from configurations containing orientifold planes. Models with two orientifold planes impl... | ['2000-07-18'] |
2,896 | ['eng'] | ['Martín, C P', 'Ruiz, F R'] | ['Paramagnetic dominance, the sign of the beta function and UV/IR mixing in non-commutative U(1)'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, SU(N)', 'background field', 'dependence, gauge', 'differential geometry, noncommutative', 'magnetic field', 'perturbation theory, higher-order', 'renormalization group, beta function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007131'] | ["U(1) gauge theory on non-commutative Minkowski space-time in the Feynman-'t Hooft background gauge is studied. In particular, UV divergences and non-commutative IR divergent contributions to the two, three and four-point functions are explicitly computed at one loop. We show that the negative sign of the beta functio... | ['2000-07-18'] |
2,897 | ['eng'] | ['Schwarz, J H'] | ['Recent Progress in Superstring Theory'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'talk, Moscow 2000/06/05', 'string model', 'supersymmetry', 'membrane model, p-brane', 'field theory, tensor', 'differential forms', 'tachyon, condensation', 'differential geometry, noncommutative', 'K-theory', 'soliton', 'charge, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007130'] | ['Superstring theory has continued to develop at a rapid clip in the past few years. Following a quick review of some of the major discoveries prior to 1998, this talk focuses on a few of the more recent developments. The topics I have chosen to present are 1) the use of K-theory to classify conserved charges carried b... | ['2000-07-18'] |
2,898 | ['eng'] | ['Kopietz, P'] | ['Two-loop beta-function from the exact renormalization group'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, massless', 'renormalization group, beta function', 'renormalization group, transformation', 'perturbation theory, higher-order', 'higher-order, 2', 'propagator', 'vertex function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007128'] | ["We calculate the two-loop renormalization group (RG) beta-function of a massless scalar field theory from the irreducible version of Polchinski's exact RG flow equation. To obtain the correct two-loop result within this method, it is necessary to take the full momentum-dependence of the irreducible four-point vertex ... | ['2000-07-18'] |
2,899 | ['eng'] | ['Sochichiu, C'] | ['On the Equivalence of Noncommutative Models in Various Dimensions'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion', 'field theory, Euclidean', 'differential geometry, noncommutative', 'any-dimensional', 'matrix model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0007127'] | ['Here we present arguments in favor of equivalence of noncommutative models in various dimensions.'] | ['2000-07-18'] |
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