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 |
|---|---|---|---|---|---|---|---|---|
2,500 | ['eng'] | ['Horowitz, Gary T', 'Hubeny, V E'] | ['CFT Description of Small Objects in AdS'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'supergravity', 'asymptotic behavior', 'expansion, multipole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009051'] | ['By the AdS/CFT correspondence, the expectation value of certain local operators in the CFT is given by the asymptotic value of supergravity fields. We show that these local expectation values contain a remarkable amount of information about small sources deep inside AdS_p x S^q. In particular, they contain essentiall... | ['2000-09-08'] |
2,501 | ['eng'] | ['Medved, A J M', 'Kunstatter, G'] | ['One-Loop Corrected Thermodynamics of the Extremal and Non-Extremal Spinning BTZ Black Hole'] | ['Particle Physics - Theory'] | ['black hole, BTZ', 'thermodynamics', 'dilaton', 'dimensional reduction', 'back reaction', 'space-time, anti-de Sitter', 'dimension, 3', 'gravitation', 'effective action', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009050'] | ['We consider the one-loop corrected geometry and thermodynamics of a rotating BTZ black hole by way of a dimensionally reduced dilaton model. The analysis begins with a comprehensive study of the non-extremal solution after which two different methods are invoked to study the extremal case. The first approach consider... | ['2000-09-08'] |
2,502 | ['eng'] | ['Kao, W F'] | ['Regular charged black hole with a charged de Sitter core'] | ['Particle Physics - Theory'] | ['black hole, charge', 'space-time, de Sitter', 'tensor, energy-momentum', 'conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009049'] | ['We show that there is a class of regular charged black hole with a charged de Sitter core similar to the de Sitter-Schwarzschild black hole. The associated conservation law of energy momentum tensor is quite different from the uncharged counterpart. One can show that the energy momentum tensor associated with the sta... | ['2000-09-08'] |
2,503 | ['eng'] | ['Andrianopoli, Laura', 'Cordaro, F', 'Fré, P', 'Gualtieri, L'] | ['Non-Semisimple Gaugings of D=5 N=8 Supergravity and FDA.s'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'transformation, gauge', 'particle, multiplet', 'group theory, representation', 'differential forms', 'operator, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009048'] | ['We reformulate maximal D=5 supergravity in the geometric approach, based on Free Differential Algebras and the solution of their Bianchi identities. This allows us to explicitly construct the non-compact gaugings corresponding to the non-semisimple algebras CSO(p,q,r). The use of Free Differential Algebras is essenti... | ['2000-09-08'] |
2,504 | ['eng'] | ['Brinne, B', 'Fayyazuddin, A', 'Mukhopadhyay, S', 'Smith, D J'] | ['Supergravity M5-branes wrapped on Riemann surfaces and their QFT duals'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'membrane model, p-brane', 'p-brane, 5', 'Riemann surfaces', 'duality', 'field equations, solution', 'gauge field theory, SU(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009047'] | ['We find solutions of 11-dimensional supergravity for M5-branes wrapped on Riemann surfaces. These solutions preserve ${\\cal N} = 2$ four-dimensional supersymmetry. They are dual to ${\\cal N} = 2$ gauge theories, including non-conformal field theories. We work out the case of ${\\cal N} = 2$ Yang-Mills in detail.'] | ['2000-09-08'] |
2,505 | ['eng'] | ['Modanese, G'] | ['Inertial Mass and Vacuum Fluctuations in Quantum Field Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'field theory, scalar', 'mass', 'dependence, gauge', 'mass spectrum', 'vacuum state, fluctuation', 'propagator', 'renormalization', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009046'] | ['After recalling the different ways to define inertial mass of elementary particles in modern physics, we study the relationship between the mass of charged particles and zero-point electromagnetic fields. To this end we first introduce a simple model comprising a scalar field immersed in stochastic or thermal electro... | ['2000-09-08'] |
2,506 | ['eng'] | ['Aspinwall, Paul S'] | ["A Note on the Equivalence of Vafa's and Douglas's Picture of Discrete Torsion"] | ['Particle Physics - Theory'] | ['torsion, discrete', 'membrane model, D-brane', 'Riemann surfaces', 'space, simplex', 'group theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009045'] | ["For a general nonabelian group action and an arbitrary genus worldsheet we show that Vafa's old definition of discrete torsion coincides with Douglas's D-brane definition of discrete torsion associated to projective representations."] | ['2000-09-07'] |
2,507 | ['eng'] | ['Cherednikov, Igor O'] | ['On Calculation of Ground State Energy for Confined Fermion Fields'] | ['Particle Physics - Theory'] | ['talk, Tver 2000/09/14', 'talk, Pushkin 2000/05/13', 'fermion, confinement', 'energy, Casimir', 'renormalization', 'dimension, 2', 'singularity', 'ground state, energy', 'bag model, hybrid', 'fermion boson, interaction', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009044'] | ['A method for renormalization of Casimir energy of confined fermion fields in (1+1)D is proposed. It is based on extraction of singularities, which appear as poles at the point of physical value of the regularization parameter, and subsequent removing of them by means of re-definition of "bare" constants. A finite gro... | ['2000-09-07'] |
2,508 | ['eng'] | ['Yoshida, Y'] | ['Nonperturbative Aspect In N=2 Supersymmetric Noncommutative Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(2)', 'gauge field theory, U(1)', 'supersymmetry', 'differential geometry, noncommutative', 'approximation, strong coupling', 'asymptotic behavior', 'Seiberg-Witten model', 'S-duality', 'nonperturbative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009043'] | ['We investigate asymptotic behaviors of the strong coupling limit in the N=2 supersymmetric non-commutative Yang-Mills theory. The strong coupling behavior is quite different from the commutative one since the non-commutative dual U(1) theory is asymptotic free, although the monodoromy is the same as that of the ordin... | ['2000-09-07'] |
2,509 | ['eng'] | ['Aspinwall, Paul S', 'Plesser, M R'] | ['D-branes, Discrete Torsion and the McKay Correspondence'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'orbifold, group theory', 'torsion, discrete', 'moduli space', 'K-theory', 'homology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009042'] | ['We analyze the D-branes of a type IIB string theory on an orbifold singularity including the possibility of discrete torsion following the work of Douglas et al. First we prove some general results about the moduli space of a point associated to the "regular representation" of the orbifold group. This includes some a... | ['2000-09-07'] |
2,510 | ['eng'] | ['Chan, C T', 'Chua, C K'] | ['Equivalent Relations between Quantum Dynamics as Derived from a Gauge Transformation'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'space-time, Robertson-Walker', 'oscillator', 'soliton', 'potential, background', 'Schroedinger equation, solution', 'duality, transformation', 'transformation, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009040'] | ['Equivalent relations between quantum mechanical systems in the Robertson-Walker (RW) background metric and quantum dynamics with an induced quadratic background potential are derived in this work. Two elementary applications, which include an algebraic derivation of the evolution operator for a simple harmonic oscill... | ['2000-09-07'] |
2,511 | ['eng'] | ['Boschi-Filho, H', 'Braga, N R F'] | ['Quantum fields in anti de Sitter spacetime and degrees of freedom in the bulk/boundary correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, scalar', 'quantization', 'field theory, conformal', 'spectra, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009039'] | ["The quantization of a scalar field in anti de Sitter spacetime using Poincar\\'e coordinates is considered. We find a discrete spectrum that is consistent with a possible mapping between bulk and boundary quantum states."] | ['2000-09-06'] |
2,512 | ['eng'] | ['Sen, A'] | ['Some Issues in Non-commutative Tachyon Condensation'] | ['Particle Physics - Theory'] | ['tachyon, condensation', 'membrane model', 'boson, string model', 'field theory, noncommutative', 'soliton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009038'] | ['Techniques of non-commutative field theories have proven to be useful in describing D-branes as tachyonic solitons in open string theory. However, this procedure also leads to unwanted degeneracy of solutions not present in the spectrum of D-branes in string theories. In this paper we explore the possibility that thi... | ['2000-09-06'] |
2,513 | ['eng'] | ['Chair, N', 'Sheikh-Jabbari, S'] | ['Pair Production by a Constant External Field in Noncommutative QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, noncommutative', 'external field, constant', 'Dirac equation, solution', 'fermion, pair production'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009037'] | ["In this paper we study QED on the noncommutative space in the constant electro-magnetic field background. Using the explicit solutions of the noncommutative version of Dirac equation in such background, we show that there are well-defined in and out -going asymptotic states and also there is a causal Green's function... | ['2000-09-06'] |
2,514 | ['eng'] | ['Shvedov, O Y'] | ['Exactly Solvable Quantum Mechanical Models with Infinite Renormalization of the Wave Function'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'quantization, 1', 'Hamiltonian formalism', 'perturbation theory, higher-order', 'regularization', 'renormalization', 'wave function', 'operator, algebra', 'phase space, Fock space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009036'] | ['The main difficulty of quantum field theory is the problem of divergences and renormalization. However, realistic models of quantum field theory are renormalized within the perturbative framework only. It is important to investigate renormalization beyond perturbation theory. However, known models of constructive fie... | ['2000-09-06'] |
2,515 | ['eng'] | ['Shvedov, O Y'] | ['Large-N Theory from the Axiomatic Point of View'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'field theory, scalar', 'Hamiltonian formalism', 'expansion 1/N', 'phase space, Fock space', 'algebra, Poincare', 'algebra, representation', 'perturbation theory, higher-order', 'renormalization', 'operator, composite'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009035'] | ['The state space and observables for the leading order of the large-N theory are constructed. The obtained model ("theory of infinite number of fields") is shown to obey Wightman-type axioms (including invariance under boost transformations) and to be nontrivial (there are scattering processes, bound states, unstable ... | ['2000-09-06'] |
2,516 | ['eng'] | ['Rogatko, M'] | ['Positivity of the Bondi Energy in Einstein-Maxwell Axion- Dilaton Gravity'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation', 'axion', 'dilaton', 'energy', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009034'] | ['We present a proof of the positiviy of the Bondi energy in Einstein-Maxwell axion-dilaton gravity, being the low-energy limit of the heterotic string theory. We consider the spacelike hypersurface which asymptotically approaches a null cone and on which the equations of the theory under consideration are given. Next,... | ['2000-09-06'] |
2,517 | ['eng'] | ['Marnelius, R'] | ['Open group transformations'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'group theory, Sp(2)', 'quantum algebra', 'charge, Becchi-Rouet-Stora', 'quantization, Batalin-Vilkovisky', 'master equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009033'] | ['Recent results on finite open group transformations are reviewed.'] | ['2000-09-06'] |
2,518 | ['eng'] | ['Barcelo, C', 'Visser, M'] | ['Braneworld gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'membrane model', 'field theory, action', 'transformation, conformal', 'tensor, energy-momentum', 'fluctuation', 'anomaly', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009032'] | ["We consider the case of a generic braneworld geometry in the presence of one or more moduli fields (e.g., the dilaton) that vary throughout the bulk spacetime. Working in an arbitrary conformal frame, using the generalized junction conditions of gr-qc/0008008 and the Gauss--Codazzi equations, we derive the effective ... | ['2000-09-05'] |
2,519 | ['eng'] | ['Brandt, F T', 'Das, A', 'Frenkel, J'] | ['Two-loop corrections to the topological mass term in thermal $QED_{3}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 3', 'Chern-Simons term', 'finite temperature', 'mass, topological', 'perturbation theory, higher-order', 'higher-order, 2', 'Ward identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009031'] | ['We study the radiative corrections to the Chern-Simons mass term at two loops in 2+1 dimensional quantum electrodynamics at finite temperature. We show that, in contrast to the behavior at zero temperature, thermal effects lead to a non vanishing contribution at this order. Using this result, as well as the large gau... | ['2000-09-05'] |
2,520 | ['eng'] | ['Harvey, J A', 'Moore, G'] | ['Noncommutative Tachyons and K-Theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'tachyon', 'differential geometry, noncommutative', 'K-theory', 'homology', 'string model', 'soliton', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009030'] | ['We show that the relation between D-branes and noncommutative tachyons leads very naturally to the relation between D-branes and K-theory. We also discuss some relations between D-branes and K-homology, provide a noncommutative generalization of the ABS construction, and give a simple physical interpretation of Bott ... | ['2000-09-05'] |
2,521 | ['eng'] | ['Savvidy, G K', 'Savvidy, G K'] | ['Stability of the Rotating Ellipsoidal D0-brane System'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'gauge field theory, U(N)', 'supersymmetry', 'dimension, 1', 'fluctuation', 'symmetry, rotational', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009029'] | ['In this note we prove the complete stability of the classical fluctuation modes of the rotating ellipsoidal membrane. The analysis is carried out in the full SU(N) setting, with the conclusion that the fluctuation matrix has only positive eigenvalues. This proves that the solution will remain close to the original on... | ['2000-09-05'] |
2,522 | ['eng'] | ['Makeenko, Y M'] | ['Reduced Models and Noncommutative Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'talk, Pushkin 2000/05/13', 'gauge field theory, U(N)', 'differential geometry, noncommutative', 'spontaneous compactification', 'partition function', 'lattice field theory, continuum limit', 'Eguchi-Kawai model', 'Wilson loop', 'membrane model, D-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009028'] | ['This is a short review of the relation between the Reduced Models and Noncommutative Yang-Mills Theories (NCYM) based on the work done in collaboration with J. Ambjorn, J. Nishimura and R. Szabo. Contents: 1.Twisted Eguchi-Kawai model (TEK), 2.Mapping onto NCYM, 3.Morita equivalence, 4.Fundamental matter, 5.Wilson lo... | ['2000-09-05'] |
2,523 | ['eng'] | ['Mendes, R V'] | ['Gauge strata and particle generations'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'background field', 'vacuum state', 'fibre bundle', 'topology', 'holonomy', 'family'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009027'] | ['Phenomenological evidence suggests the existence of non-trivial background fields in the QCD vacuum. On the other hand SU(3) gauge theory possessses three different classes of both non-generic and non-trivial strata that may be used as classical backgrounds. It is suggested that this three-fold multiplicity of non-tr... | ['2000-09-05'] |
2,524 | ['eng'] | ['Buchbinder, I L', 'Pershin, V D'] | ['Gravitational Interaction of Higher Spin Massive Fields and String Theory'] | ['Particle Physics - Theory'] | ['talk, Londrina 2000/04/17', 'field theory, tensor', 'spin, 2', 'field theory, massive', 'gravitation', 'string model', 'field equations', 'effective action', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009026'] | ['We discuss the problem of consistent description of higher spin massive fields coupled to external gravity. As an example we consider massive field of spin 2 in arbitrary gravitational field. Consistency requires the theory to have the same number of degrees of freedom as in flat spacetime and to describe causal prop... | ['2000-09-05'] |
2,525 | ['eng'] | ['Janssen, B', 'Meessen, P'] | ['A non-Abelian Chern-Simons term for non-BPS D-branes'] | ['Particle Physics - Theory'] | ['talk, Paris 2000/09/07', 'field theory, tensor', 'gauge field theory, U(N)', 'membrane model, D-brane', 'membrane model, p-brane', 'T-duality', 'Chern-Simons term', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009025'] | ['We propose a Chern-Simons term for N coinciding non-BPS D-branes. Demanding full U(N) invariance and compatibility with T-duality, it is shown that it is necessary to introduce new interaction terms, through which the non-BPS D-branes couple to all p-form RR fields.'] | ['2000-09-05'] |
2,526 | ['eng'] | ['Maru, N', 'Sakai, N', 'Sakamura, Y', 'Sugisaka, R'] | ['SUSY Breaking by Overlap of Wave Functions in Coexisting Walls'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'supersymmetry, symmetry breaking', 'soliton, BPS', 'domain wall', 'perturbation theory, higher-order', 'mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009023'] | ['SUSY breaking without messenger fields is proposed. We assume that our world is on a wall and SUSY is broken only by the coexistence of another wall with some distance from our wall. The Nambu-Goldstone fermion is localized on the distant wall. Its overlap with the wave functions of physical fields on our wall gives ... | ['2000-09-05'] |
2,527 | ['eng'] | ['Corradini, O', 'Kakushadze, Z'] | ['Localized Gravity and Higher Curvature Terms'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, scalar', 'field theory, action', 'derivative, high', 'any-dimensional', 'field equations, solution', 'invariance, Poincare', 'domain wall', 'Gauss-Bonnet term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009022'] | ['We consider localization of gravity in smooth domain wall solutions of gravity coupled to a scalar field with a generic potential in the presence of the Gauss-Bonnet term. We discuss conditions on the scalar potential such that domain wall solutions are non-singular. We point out that the presence of the Gauss-Bonnet... | ['2000-09-05'] |
2,528 | ['eng'] | ['Ohta, N', 'Tomino, D'] | ['Noncommutative Gauge Dynamics from Brane Configurations with Background B field'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'dimension, 3', 'gauge field theory, tensor', 'differential geometry, noncommutative', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009021'] | ['We study the D=3 field theory on the D3-branes stretched between two NS5-branes with NS B-field background. The theory is a noncommutative gauge theory. The mirror symmetry and S-duality of the theory are discussed. A new feature is that the mirror of the noncommutative gauge theory is not a field theory but an open ... | ['2000-09-05'] |
2,529 | ['eng'] | ['Ling, Y'] | ['Introduction to supersymmetric spin networks'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'spin, network', 'supersymmetry', 'algebra, OSp(1|2N)', 'algebra, representation', 'Hilbert space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009020'] | ['In this paper we give a general introduction to supersymmetric spin networks. Its construction has a direct interpretation in context of the representation theory of the superalgebra. In particular we analyze a special kind of spin networks with superalgebra $Osp(1|2n)$. It turns out that the set of corresponding spi... | ['2000-09-05'] |
2,530 | ['eng'] | ['Das, S R', 'Jevicki, A', 'Mathur, S D'] | ['Vibration modes of giant gravitons'] | ['Particle Physics - Theory'] | ['graviton', 'space-time, sphere', 'space-time, anti-de Sitter', 'membrane model, spectra', 'excited state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009019'] | ['We examine the spectrum of small vibrations of giant gravitons, when the gravitons expand in the anti-de-Sitter space and when they expand on the sphere. For any given angular harmonic, the modes are found to have frequencies related to the curvature length scale of the background; these frequencies are independent o... | ['2000-09-05'] |
2,531 | ['eng'] | ['Ling, Y', 'Smolin, L'] | ['Holographic Formulation of Quantum Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'astrophysics, fundamental constant', 'gauge field theory, OSp(1|4)', 'field theory, topological', 'phase space', 'boundary condition', 'Chern-Simons term', 'quantization, constraint', 'Hamiltonian formalism', 'holography', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009018'] | ['We show that ${\\cal N}=1$ supergravity with a cosmological constant can be expressed as constrained topological field theory based on the supergroup $Osp(1|4)$. The theory is then extended to include timelike boundaries with finite spatial area. Consistent boundary conditions are found which induce a boundary theory... | ['2000-09-05'] |
2,532 | ['eng'] | ['Herzog, C P', 'Klebanov, Igor R'] | ['Stable Massive States in 1+1 Dimensional NCOS'] | ['Particle Physics - Theory'] | ['string model, open', 'differential geometry, noncommutative', 'dimension, 2', 'scattering amplitude', 'phase space', 'string, closed'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009017'] | ['We study the case of open string theory on a D1-brane in a critical electric field. It was argued in hep-th/0006085 that the massless open string modes of this theory decouple from the massive modes, corresponding to a decoupling of the U(1) degrees of freedom in the U(N) gauge theory dual. To provide further support... | ['2000-09-05'] |
2,533 | ['eng'] | ['Nojiri, S', 'Odintsov, S D', 'Ogushi, S'] | ['Scheme-dependence of holographic conformal anomaly in d5 gauged supergravity with non-trivial bulk potential'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'gauge field theory', 'dilaton', 'anomaly, conformal', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009015'] | ['Bosonic sector of d5 gauged supergravity with specific parametrization of full scalar coset is considered (multi-dilaton gravity). Using holographic RG in the form suggested by de Boer-Verlinde-Verlinde the holographic d4 conformal anomaly (in the sector of curvature invariants) is found when bulk potential is not co... | ['2000-09-05'] |
2,534 | ['eng'] | ['Castro, C', 'Mahecha, J'] | ['Comments on the Riemann conjecture and index theory on Cantorian fractal space-time'] | ['Particle Physics - Theory'] | ['Riemann surfaces', 'space-time, fractals', 'index theorem', 'zeta function', 'string model', 'membrane model, fractals'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009014'] | ['An heuristic proof of the Riemman conjecture is proposed. It is based on the old idea of Polya-Hilbert. A discrete/fractal derivative self adjoint operator whose spectrum may contain the nontrivial zeroes of the zeta function is presented. To substantiate this heuristic proposal we show using generalized index-theory... | ['2000-09-05'] |
2,535 | ['eng'] | ['Cerchiai, B L', 'Zumino, B'] | ['Properties of perturbative solutions of unilateral matrix equations'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'field equations, solution', 'algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009013'] | ['where the coefficients $a_r$ and the unknown $x$ are square matrices of the same order and all coefficients are on the left (similarly for a right-unilateral equation). Recently certain perturbative solutions of unilateral equations and their properties have been discussed. We present a unified approach based on the ... | ['2000-09-05'] |
2,536 | ['eng'] | ['Ospina, J F'] | ['y-Deformed BPS Dp-branes On a Surface In a Calabi-Yau Threefold'] | ['Particle Physics - Theory'] | ['space-time, Calabi-Yau', 'soliton, BPS', 'membrane model, D-brane', 'membrane model, p-brane', 'membrane, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009012'] | ['Using y-deformed algebraic geometric techniques the y-deformed Mukay vector of RR-charges of the y-deformed BPS Dp-branes localized on a surface in a Calabi-Yau threefold. The formulas that are obtained here are generalizations of the formulas of the fourth section of the preprint hep-th/0007243 .'] | ['2000-09-04'] |
2,537 | ['eng'] | ['Semenoff, Gordon W'] | ['Worldsheet of the discrete light front string'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'string model', 'quantization, light front', 'spontaneous compactification', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009011'] | ['Some aspects of light-like compactifications of superstring theory and their implications for the matrix model of M-theory are discussed.'] | ['2000-09-04'] |
2,538 | ['eng'] | ['Gordon, C', 'Maartens, R'] | ['Density perturbations in the brane-world'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model', 'dimension, 5', 'density, perturbation', 'inflationary universe', 'tensor, energy-momentum', 'conservation law', 'perturbation, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009010'] | ['In Randall-Sundrum-type brane-world cosmologies, density perturbations generate Weyl curvature in the bulk, which in turn backreacts on the brane via stress energy gradients. On super-Hubble scales, the perturbation equations form a closed system on the brane, which may be solved without knowledge of the bulk dynamic... | ['2000-09-04'] |
2,539 | ['eng'] | ['Elitzur, Shmuel', 'Pioline, B', 'Rabinovici, E'] | ['On the short-distance structure of irrational non-commutative gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry', 'differential geometry, noncommutative', 'approximation, strong coupling', 'duality', 'gravitation', 'fractals', 'Kaluza-Klein model', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009009'] | ["As shown by Hashimoto and Itzhaki in hep-th/9911057, the perturbative degrees of freedom of a non-commutative Yang-Mills theory (NCYM) on a torus are quasi-local only in a finite energy range. Outside that range one may resort to a Morita equivalent (or T-dual) description appropriate for that energy. In this note, w... | ['2000-09-04'] |
2,540 | ['eng'] | ['Majumdar, P'] | ['Quantum Aspects of Black Hole Entropy'] | ['Particle Physics - Theory'] | ['talk, Kharagpur 2000/01/04', 'black hole, entropy', 'quantization, correction', 'holography', 'spin, network', 'boundary condition', 'horizon', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009008'] | ['This survey intends to cover recent approaches to black hole entropy which attempt to go beyond the standard semiclassical perspective. Quantum corrections to the semiclassical Bekenstein-Hawking area law for black hole entropy, obtained within the quantum geometry framework, are treated in some detail. Their ramific... | ['2000-09-04'] |
2,541 | ['eng'] | ['Diakonov, D I', 'Petrov, V'] | ['Gauge-invariant formulation of the d=3 Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 3', 'partition function', 'invariance, gauge', 'Wilson loop', 'glueball', 'mass, gap'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009007'] | ['We write down the Yang-Mills partition function and the average Wilson loop in terms of local gauge-invariant variables being the six components of the metric tensor of dual space. The Wilson loop becomes the trace of the parallel transporter in curved space, else called the gravitational holonomy. We show that the e... | ['2000-09-04'] |
2,542 | ['eng'] | ['Ellwanger, Ulrich'] | ['Brane Universes, AdS/CFT, Hamiltonian Formalism and the Renormalization Group'] | ['Particle Physics - Theory'] | ['lectures', 'field theory, anti-de Sitter', 'field theory, conformal', 'gravitation', 'coupling, matter', 'dimension, 5', 'membrane model', 'Hamiltonian formalism', 'constraint', 'renormalization group', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009006'] | ['The AdS/CFT correspondence is developed from classical solutions on AdS_5 with two boundaries. The corresponding limits and the reduction of degrees of freedom are discussed, as well as the required renormalization on the field theory side. The Hamiltonian first-order approach towards the solution of coupled gravitat... | ['2000-09-04'] |
2,543 | ['eng'] | ['Guilarte, J M', 'De la Torre-Mayado, M'] | ['$QED_{2+1}$ Compton effect on Dirac-Landau electrons'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, planar', 'dimension, 3', 'Dirac equation', 'quantization', 'magnetic field, external field', 'photon electron, Compton scattering', 'scattering, length', 'perturbation theory', 'angular distribution', 'scattering amplitude', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009005'] | ['Planar Quantum Electrodynamics is developed when charged fermions are under the influence of a constant and homogeneous external magnetic field. We compute the cross-length for the scattering of optical/ultraviolet photons by Dirac-Landau electrons.'] | ['2000-09-04'] |
2,544 | ['eng'] | ['Nikolov, N M', 'Todorov, I T'] | ['Rationality of conformally invariant local correlation functions on compactified Minkowski space'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'n-point function', 'analytic properties', 'transformation, conformal', 'boundary condition', 'expansion, cluster'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009004'] | ['Rationality of the Wightman functions is proven to follow from energy positivity, locality and a natural condition of global conformal invariance (GCI) in any number D greater or equal to 2, of space-time dimensions. The GCI condition allows to treat correlation functions as generalized sections of a vector bundle ov... | ['2000-09-04'] |
2,545 | ['eng'] | ['Guilarte, J M', 'De la Torre-Mayado, M'] | ['$QED_{2+1}$ the Compton effect'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'perturbation theory', 'S-matrix', 'Compton scattering, angular distribution', 'scattering length', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009003'] | ['The Compton effect in a two-dimensional world is compared with the same process in ordinary three-dimensional space.'] | ['2000-09-04'] |
2,546 | ['eng'] | ['Matsuo, Y'] | ['Topological Charges of Noncommutative Soliton'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'soliton', 'charge, topological', 'membrane model, D-brane', 'K-theory', 'algebra, C*', 'operator, moduli space', 'energy', 'field theory, string'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009002'] | ['The noncommutative soliton is characterized by the use of the projection operators in non-commutative space which is closely related to the K-theory of $C^*$-algebra. We consider the variations of projection operators in the moduli space along the commutative directions and discuss their topological charges. When app... | ['2000-09-04'] |
2,547 | ['eng'] | ['Feng, S S'] | ['Local observed time and redshift in curved spacetime'] | ['Particle Physics - Theory'] | ['space-time, Robertson-Walker', 'redshift', 'Klein-Gordon equation', 'optics, geometrical', 'relativity theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0009001'] | ['Using the observed time and spatial intervals defined originally by Einstein and the observation frame in the vierbein formalism, we propose that in curved spacetime, for a wave received in laboratories, the observed frequency is the changing rate of the phase of the wave relative to the local observable time scale a... | ['2000-09-04'] |
2,548 | ['eng'] | ['Krasnov, K V'] | ['3D Gravity, Point Particles and Liouville Theory'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 3', 'field theory, Liouville', 'operator, vertex', 'two-point function', 'particle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008253'] | ["This paper elaborates on the bulk/boundary relation between negative cosmological constant 3D gravity and Liouville field theory (LFT). We develop an interpretation of LFT non-normalizable states in terms of particles moving in the bulk. This interpretation is suggested by the fact that ``heavy'' vertex operators of ... | ['2000-09-03'] |
2,549 | ['eng'] | ['Kostelecky, V A', 'Potting, R'] | ['Analytical construction of a nonperturbative vacuum for the open bosonic string'] | ['Particle Physics - Theory'] | ['string model, open', 'boson, string', 'field equations', 'quantization, 1', 'vacuum state, nonperturbative', 'operator, vertex', 'operator, Becchi-Rouet-Stora', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008252'] | ['Using analytical methods, a nonpertubative vacuum is constructed recursively in the field theory for the open bosonic string. Evidence suggests it corresponds to the Lorentz-invariant endpoint of tachyon condensation on a D25-brane. The corresponding string field is a twisted squeezed state.'] | ['2000-09-03'] |
2,550 | ['eng'] | ['Falomir, H A', 'Rébora, K', 'Loewe, M'] | ['Casimir energy for a scalar field with a frequency dependent boundary condition'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'energy, Casimir', 'boundary condition', 'asymptotic expansion', 'matter, dielectric', 'regularization, zeta function', 'sonoluminescence'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008251'] | ['We consider the vacuum energy for a scalar field subject to a frequency dependent boundary condition. The effect of a frequency cut-off is described in terms of an {\\it incomplete} $\\zeta$-function. The use of the Debye asymptotic expansion for Bessel functions allows to determine the dominant (volume, area, >...) ... | ['2000-09-03'] |
2,551 | ['eng'] | ['Förste, S', 'Honecker, G', 'Schreyer, R'] | ['Supersymmetric $Z_{N} * Z_{M}$ Orientifolds in 4D with D-Branes at Angles'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'spontaneous compactification, orbifold', 'orientifold, Z(N) x Z(M)', 'operator, algebra', 'particle, multiplet', 'group theory, representation', 'scattering amplitude, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008250'] | ['We construct orientifolds of type IIA string theory. The theory is compactified on a T^6/Z_N times Z_M orbifold. In addition worldsheet parity in combination with a reflection of three compact directions is modded out. Tadpole cancellation requires to add D-6-branes at angles. The resulting four dimensional theories ... | ['2000-09-03'] |
2,552 | ['eng'] | ['Bandos, I A'] | ['Superembedding Approach and S-Duality. A unified description of superstring and super-D1-brane'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 1', 'p-brane, 5', 'duality, transformation', 'field equations', 'invariance, gauge', 'transformation, Weyl', 'Kaluza-Klein model', 'magnetic monopole', 'dimension, >4', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008249'] | ['It is proved that a basic superembedding equation for the 2-dimensional worldsheet superspace $\\S^{(2|8+8)}$ embedded into D=10, type IIB superspace $M^{(10|16+16)}$ provides a universal, S-duality invariant description of a fundamental superstring and super-D1-brane. We work out generalized action principle, obtain... | ['2000-09-03'] |
2,553 | ['eng'] | ['Cucchieri, A', 'Zwanziger, D'] | ['Renormalization-group Calculation of Color-Coulomb Potential'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'renormalization group', 'potential, Coulomb', 'vacuum polarization', 'asymptotic behavior', 'beta function', 'invariance, Becchi-Rouet-Stora', 'perturbation theory', 'color, charge', 'Coulomb gauge', 'gluon, propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008248'] | ['We report here on the application of the perturbative renormalization-group to the Coulomb gauge in QCD. We use it to determine the high-momentum asymptotic form of the instantaneous color-Coulomb potential $V(\\vec{k})$ and of the vacuum polarization $P(\\vec{k}, k_4)$. These quantities are renormalization-group inv... | ['2000-09-03'] |
2,554 | ['eng'] | ['Michishita, Y'] | ['The M2-brane Soliton on the M5-brane with Constant 3-Form'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 2', 'p-brane, 5', 'soliton, BPS', 'effective action', 'field theory, tensor', 'differential forms, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008247'] | ['We obtain a BPS soliton of the effective theory of the M5-brane worldvolume with constant 3-form representing M2-branes ending on the M5-brane. The dimensional reduction of this solution agrees with the known results on D-branes.'] | ['2000-09-03'] |
2,555 | ['eng'] | ['Ichinose, S'] | ['Wall and Anti-Wall in the Randall-Sundrum Model and A New Infrared Regularization'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'infrared problem', 'regularization', 'domain wall', 'potential, Higgs', 'spontaneous compactification', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008245'] | ['An approach to find the field equation solution of the Randall-Sundrum model with the $S^1/Z_2$ extra axis is presented. We closely examine the infrared singularity. The vacuum is set by the 5 dimensional Higgs field. Both the domain-wall and the anti-domain-wall naturally appear, at the ends of the extra compact axi... | ['2000-09-03'] |
2,556 | ['eng'] | ['Karmanov, V A', 'Mangin-Brinet, M', 'Carbonell, J G'] | ['Relativistic wave functions and energies for nonzero angular momentum states in light-front dynamics'] | ['Particle Physics - Theory'] | ['talk, Taipei 2000/03/06', 'bound state', 'light front', 'angular momentum', 'invariance, rotational', 'mass spectrum', 'Bethe-Salpeter equation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008244'] | ["Light-front dynamics (LFD) is a powerful approach to the theory of relativistic composite systems (hadrons in the quark models and relativistic nucleons in nuclei). Its explicitly covariant version has been recently applied with success to describe the new CEBAF/TJNAF data on the deuteron electromagnetic form factors... | ['2000-09-03'] |
2,557 | ['eng'] | ['Mangin-Brinet, M', 'Carbonell, J G', 'Karmanov, V A'] | ['Weak binding limit and non zero angular momentum states in Light-Front Dynamics'] | ['Particle Physics - Theory'] | ['talk, Heidelberg 2000/06/12', 'bound state', 'light front', 'angular momentum', 'invariance, rotational', 'Bethe-Salpeter equation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008243'] | ['We show some results concerning the weak binding limit for J=0 states -- which turn out to strongly differ from the non relativistic case -- together with the construction of non zero angular momentum states. The calculation of such states in the Light-Front Dynamics (LFD) framework has some peculiarities which are a... | ['2000-09-03'] |
2,558 | ['eng'] | ['Suyama, T'] | ['BPS D-branes after Tachyon Condensation'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'effective action', 'soliton, BPS', 'tachyon, condensation', 'bound state', 'membrane, tension', 'invariance, gauge', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008242'] | ['We construct an effective action describing brane-antibrane system containing N D-branes and N \\bar{D}-branes. BPS equations for remaining D-branes after tachyon condensation are derived and their properties are investigated. The value of the D-brane tension and the number of brane bound states are discussed.'] | ['2000-09-03'] |
2,559 | ['eng'] | ['Peet, A W'] | ['Black holes in string theory'] | ['Particle Physics - Theory'] | ['lectures, Boulder 1999/05/30', 'string model', 'black hole', 'thermodynamics', 'entropy', 'information theory', 'supergravity', 'quantum number', 'supersymmetry', 'soliton, BPS', 'membrane model', 'scaling', 'radiation, Hawking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008241'] | ['This is a write-up of introductory lectures on black holes in string theory given at TASI-99. Topics discussed include: Black holes, thermodynamics and the Bekenstein-Hawking entropy, the information problem; supergravity actions, conserved quantum numbers, supersymmetry and BPS states, units and duality, dimensional... | ['2000-09-03'] |
2,560 | ['eng'] | ['Higashijima, K', 'Nitta, M'] | ['Auxiliary Field Formulation of Supersymmetric Nonlinear Sigma Models'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'sigma model, nonlinear', 'dimension, 2', 'supersymmetry, superfield', 'coset space', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008240'] | ['Two dimensional N=2 supersymmetric nonlinear sigma models on hermitian symmetric spaces are formulated in terms of the auxiliary superfields. If we eliminate auxiliary vector and chiral superfields, they give D- and F-term constraints to define the target manifolds. The integration over auxiliary vector superfields, ... | ['2000-09-03'] |
2,561 | ['eng'] | ['Bena, I', 'Nastase, H', 'Vaman, D'] | ['Propagators for p-forms in $AdS_{2p+1}$ and correlation functions in the $AdS_{7}/(2,0)$ CFT correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'any-dimensional', 'differential forms', 'n-point function, 2', 'n-point function, 3', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008239'] | ["In AdS_{2p+1} we construct propagators for p-forms whose lagrangians contain terms of the form A / d A. In particular we explore the case of forms satisfying ``self duality in odd dimensions'', and the case of forms with a topological mass term. We point out that the ``complete'' set of maximally symmetric bitensors ... | ['2000-08-31'] |
2,562 | ['eng'] | ['Corrigan, E', 'Taormina, A'] | ['Reflection factors and a two-parameter family of boundary bound states in the sinh-Gordon model'] | ['Particle Physics - Theory'] | ['sinh-Gordon equation', 'bound state, energy spectrum', 'boundary condition', 'bootstrap', 'WKB approximation', 'coupling constant', 'dimension, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008237'] | ['The investigation of boundary breather states of the sinh-Gordon model restricted to a half-line is revisited. Properties of the classical boundary breathers for the two-parameter family of integrable boundary conditions are reviewed and extended. The energy spectrum of the quantized boundary states is computed, firs... | ['2000-08-31'] |
2,563 | ['eng'] | ['Martinovic, L', 'Vary, J P'] | ['Light-Front Aspects of Chiral Symmetry'] | ['Particle Physics - Theory'] | ['talk, Heidelberg 2000/06/12', 'symmetry, chiral', 'symmetry, spontaneously broken', 'anomaly, axial', 'light front', 'vacuum state, multiple', 'Goldstone particle', 'fermion, zero mode', 'sigma model', 'gauge, Weyl', 'regularization, point-splitting', 'Schwinger model, massive', 'quantum electrodynamics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008236'] | ['Spontaneous chiral symmetry breaking and axial anomaly are studied in the light-front formulation. The existence of multiple vacua and a Nambu-Goldstone boson, both related to dynamical fermion zero modes, are demonstrated within a simple sigma model with fermions. The Weyl gauge formulation and a consistent gauge in... | ['2000-08-31'] |
2,564 | ['eng'] | ['Gratton, S', 'Turok, Neil G'] | ['Homogeneous Modes of Cosmological Instantons'] | ['Particle Physics - Theory'] | ['quantum gravity, Euclidean', 'instanton', 'astrophysics', 'symmetry, O(4)', 'field theory, scalar', 'regularization', 'potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008235'] | ['We discuss the O(4) invariant perturbation modes of cosmological instantons. These modes are spatially homogeneous in Lorentzian spacetime and thus not relevant to density perturbations. But their properties are important in establishing the meaning of the Euclidean path integral. If negative modes are present, the E... | ['2000-08-31'] |
2,565 | ['eng'] | ['Joy, M', 'Kuriakose, V C'] | ['First Order Phase Transitions in a Bianchi type-I universe'] | ['Particle Physics - Theory'] | ['space-time, Bianchi', 'critical phenomena', 'phi**n model, 6', 'effective potential', 'finite temperature', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008234'] | ['Considering the theory of induced gravity coupled to matter fields, taking the $\\phi ^6$ interaction potential model we evaluate the one-loop effective potential in a (3+1)dimensional Bianchi type-I spacetime. It is proved that the $\\phi ^6$ theory can be regularised in (3+1)dimensional curved spacetime. We evaluat... | ['2000-08-31'] |
2,566 | ['eng'] | ['Kjaergaard, L'] | ['The exact renormalisation group equation and the perturbed unitary minimal models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'model, minimal', 'dimension, 2', 'sine-Gordon model', 'renormalization group', 'n-point function', 'quantum group', 'effective action', 'charge, background', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008233'] | ['The exact renormalisation group equation is studied for a two-dimensional theory with exponential interaction and a background charge at infinity. The motivation for studying this interaction is the flow between unitary minimal models perturbed by Phi_{(1,3)}, and their realisation in terms of a quantum group restric... | ['2000-08-31'] |
2,567 | ['eng'] | ['Ivanov, S', 'Papadopoulos, G'] | ['A no-go theorem for string warped compactifications'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'perturbation theory, higher-order', 'anomaly', 'spontaneous compactification'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008232'] | ['We give necessary conditions for the existence of perturbative heterotic and type II string warped compactifications preserving eight and four supersymmetries to four spacetime dimensions, respectively. In particular, we find that the only compactifications of heterotic string with the spin connection embedded in the... | ['2000-08-31'] |
2,568 | ['eng'] | ['Minahan, J A', 'Zwiebach, B'] | ['Field theory models for tachyon and gauge field string dynamics'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'tachyon, condensation', 'gauge field theory, U(1)', 'Schroedinger equation, soliton', 'effective potential', 'string model', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008231'] | ['In hep-th/0008227, the unstable lump solution of \\phi^3 theory was shown to have a spectrum governed by the solvable Schroedinger equation with the \\ell=3 reflectionless potential and was used as a model for tachyon condensation in string theory. In this paper we study in detail an \\ell\\to \\infty scalar field th... | ['2000-08-31'] |
2,569 | ['eng'] | ['Gaberdiel, M R'] | ['Discrete torsion orbifolds and D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'torsion, discrete', 'orbifold', 'phase space', 'boundary condition', 'T-duality', 'group theory, representation', 'cohomology', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008230'] | ['D-branes on orbifolds with and without discrete torsion are analysed in a unified way using the boundary state formalism. It is found that in both cases the theory possesses D-branes whose world-volume carries conventional and projective representations of the orbifold group. For the example of the Z_2xZ_2 orbifold i... | ['2000-08-31'] |
2,570 | ['eng'] | ['Esposito, G'] | ['Mass Generation of Nonlocal Field Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, nonlocal', 'mass generation', 'Higgs model', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008229'] | ['The possibility is investigated that a nonlocal formulation of gauge theories may provide an alternative mechanism for the generation of mass. For this purpose, a path-integral approach is used, with gauge-averaging term leading to an invertible integro-differential operator on field disturbances and to a mass term i... | ['2000-08-31'] |
2,571 | ['eng'] | ['Lu, Q K', 'Chang, Z', 'Guo, H Y'] | ['Global geometric properties of AdS space and the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'field theory, scalar', 'boundary condition', 'propagator', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008228'] | ["The Poisson kernels and relations between them for a massive scalar field in a unit ball $B^n$ with Hua's metric and conformal flat metric are obtained by describing the $B^n$ as a submanifold of an $(n+1)$-dimensional embedding space. Global geometric properties of the AdS space are discussed. We show that the $(n+1... | ['2000-08-31'] |
2,572 | ['eng'] | ['Zwiebach, B'] | ['A Solvable Toy Model for Tachyon Condensation in String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'tachyon, condensation', 'phi**n model, 3', 'deformation, marginal', 'tachyon, potential', 'membrane model', 'wave function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008227'] | ['The lump solution of \\phi^3 field theory provides a toy model for unstable D-branes of bosonic string theory. The field theory living on this lump is itself a cubic field theory involving a tachyon, two additional scalar fields, and a scalar field continuum. Its action can be written explicitly because the fluctuati... | ['2000-08-30'] |
2,573 | ['eng'] | ['Constable, N R', 'Johnson, C V', 'Myers, R C'] | ['Fractional Branes and the Entropy of 4D Black Holes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane, fractional', 'bound state', 'Kaluza-Klein model, monopole', 'black hole', 'entropy', 'gauge field theory', 'dimension, 2', 'dimension, 4', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008226'] | ['We reconsider the four dimensional extremal black hole constructed in type IIB string theory as the bound state of D1-branes, D5-branes, momentum, and Kaluza-Klein monopoles. Specifically, we examine the case of an arbitrary number of monopoles. Consequently, the weak coupling calculation of the microscopic entropy r... | ['2000-08-30'] |
2,574 | ['eng'] | ['Bruzzo, U', 'Fucito, F', 'Tanzini, A', 'Travaglini, G'] | ['On the Multi-Instanton Measure for Super Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, Kaehler', 'coset space', 'path integral, measure', 'instanton', 'moduli space', 'invariance, reparametrization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008225'] | ['In this paper we revisit the arguments that have led to the proposal of a multi-instanton measure for supersymmetric Yang-Mills theories. We then recall how the moduli space of gauge connections on $\\real^4$ can be built from a hyperk\\"ahler quotient construction which we generalize to supermanifolds. The measure w... | ['2000-08-30'] |
2,575 | ['eng'] | ['Park, D K', 'Müller-Kirsten, H J W', 'Shurgaia, A V'] | ['Functional Relation of interquark potential with interquark distance'] | ['Particle Physics - Theory'] | ['string model', 'space-time, anti-de Sitter', 'membrane model', 'finite temperature', 'quark, potential', 'quark, confinement', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008224'] | ['The functional relation between interquark potential and interquark distance is explicitly derived by considering Nambu-Goto action in the $AdS \\times S^5$ background. It is also shown that similar relation holds in the general background. The implication of this relation in confinement is briefly discussed.'] | ['2000-08-30'] |
2,576 | ['eng'] | ['Correa, D H'] | ['Vacuum energies for the relativistic Landau problem'] | ['Particle Physics - Theory'] | ['thesis', 'gauge field theory, U(1)', 'fermion', 'energy, vacuum state', 'perturbation theory, higher-order', 'dimension, 3', 'dimension, 4', 'analytic properties', 'asymptotic behavior', 'energy, Casimir', 'regularization, zeta function', 'magnetic field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008223'] | ['We study, through zeta-function techniques, the vacuum energies for Dirac fields in a constant magnetic background. We consider the combined effect of the background and twisted boundary conditions. The required charge renormalization is discussed in each case.'] | ['2000-08-30'] |
2,577 | ['eng'] | ['Cruz, W'] | ['Fractal statistics, fractal index and fractons'] | ['Particle Physics - Theory'] | ['talk, Londrina 2000/04/17', 'statistics, fractals', 'quasiparticle', 'field theory, conformal', 'central charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008222'] | ['The concept of fractal index is introduced in connection with the idea of universal class $h$ of particles or quasiparticles termed fractons which obey fractal statistics. We show the relation between fractons and conformal field theory(CFT)-quasiparticles taking into account the central charge $c[\\nu]$ and the part... | ['2000-08-30'] |
2,578 | ['eng'] | ['Gauntlett, J P', 'Portugues, R', 'Tong, D', 'Townsend, P K'] | ['D-brane Solitons in Supersymmetric Sigma-Models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'membrane model, D-brane', 'supersymmetry, fractional', 'soliton', 'domain wall', 'energy', 'M-theory', 'Born-Infeld model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008221'] | ["Massive D=4 N=2 supersymmetric sigma models typically admit domain wall (Q-kink) solutions and string (Q-lump) solutions, both preserving 1/2 supersymmetry. We exhibit a new static 1/4 supersymmetric `kink-lump' solution in which a string ends on a wall, and show that it has an effective realization as a BIon of the ... | ['2000-08-30'] |
2,579 | ['eng'] | ['Fucito, F'] | ['Multi-Instanton Calculus in Supersymmetric Theories'] | ['Particle Physics - Theory'] | ['talk, Osaka 2000/07/27', 'gauge field theory, Yang-Mills', 'field theory, topological', 'transformation, Becchi-Rouet-Stora', 'supersymmetry', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008220'] | ['In this talk I review some recent results concerning multi-instanton calculus in supersymmetric field theories. More in detail, I will show how these computations can be efficiently performed using the formalism of topological field theories.'] | ['2000-08-30'] |
2,580 | ['eng'] | ['Schlesinger, K G'] | ['Some notes on string theory'] | ['Particle Physics - Theory'] | ['string model', 'geometry', 'operator, algebra', 'algebra, Hopf', 'gravitation', 'Wheeler-DeWitt equation', 'Klein-Gordon equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008218'] | ['We start from a quantum computational principle suggested for string theory in a previous paper and discuss how it might lead to a dynamical principle implying the correct classical gravitational limit. Besides this, we briefly look at some structural properties of moduli space.'] | ['2000-08-30'] |
2,581 | ['eng'] | ['Schlesinger, K G'] | ['On the universality of string theory'] | ['Particle Physics - Theory'] | ['string model, universality', 'unified field theory', 'field theory, deformation', 'operator, algebra', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008217'] | ['String theory is accused by some of its critics to be a purely abstract mathematical discipline, having lost the contact to the simple yet deeply rooted questions which physics provided until the beginning of this century. We argue that, in contrary, there are indications that string theory might be linked to a funda... | ['2000-08-30'] |
2,582 | ['eng'] | ['Matsuda, S', 'Seki, S'] | ['Gravitational Stability and Screening Effect from D Extra Timelike Dimensions'] | ['Particle Physics - Theory'] | ['space-time, signature', 'dimension, >4', 'spontaneous compactification', 'Kaluza-Klein model', 'tachyon', 'graviton', 'stability', 'effect, screening', 'gravitation, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008216'] | ['We study (3+1)+D dimensional spacetime, where D extra dimensions are timelike. Compactification of the D timelike dimensions leads to tachyonic Kaluza-Klein gravitons. We calculate the gravitational self-energies of massive spherical bodies due to the tachyonic exchange, discuss their stability, and find that the gra... | ['2000-08-30'] |
2,583 | ['eng'] | ['Park, D K', 'Müller-Kirsten, H J W'] | ['Universality or Non-Universality of Absorption Cross Sections for Extended Objects'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'coupling, minimal', 'cross section, absorption', 'extended particle', 'space-time', 'wave function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008215'] | ['The calculation of absorption cross sections for minimal scalars in supergravity backgrounds is an important aspect of the investigation of AdS/CFT correspondence and requires a matching of appropriate wave functions. The low energy case has attracted particular attention. In the following the dependence of the cross... | ['2000-08-30'] |
2,584 | ['eng'] | ['Mandal, G', 'Rey, S J'] | ['A Note on D-Branes of Odd Codimensions from Noncommutative Tachyons'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry', 'tachyon', 'T-duality', 'differential geometry, noncommutative', 'Hamiltonian formalism', 'operator, algebra', 'soliton', 'string model', 'membrane, tension'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008214'] | ['On a noncommutative space of rank-1, we construct a codimension-one soliton explicitly and, in the context of noncommutative bosonic open string theory, identify it with the D24-brane. We compute the tension of the proposed D24-brane, yielding an exact value and show that it is related to the tension of the codimensi... | ['2000-08-30'] |
2,585 | ['eng'] | ['Hyun, S'] | ['U-duality Between NCOS Theory and Matrix Theory'] | ['Particle Physics - Theory'] | ['string model, open', 'space-time, torus', 'spontaneous compactification', 'matrix model', 'duality, U-duality', 'differential geometry, noncommutative', 'decoupling', 'membrane model, D-brane', 'membrane model, p-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008213'] | ['We show that the NCOS (noncommutative open string) theories on torus $T^p$ ($p\\leq 5$) are U-dual to matrix theory on torus with electric flux background. Under U-duality, the number of D-branes and the number of units of electric flux get interchanged. Furthermore under the same U-duality the decoupling limit taken... | ['2000-08-30'] |
2,586 | ['eng'] | ['Russo, Jorge G'] | ['Large N field theories from superstrings'] | ['Particle Physics - Theory'] | ['lectures, Cartagena de Indias 2000/04/02', 'string model', 'supersymmetry', 'gauge field theory, SU(N)', 'expansion 1/N', 'duality', 'space-time, anti-de Sitter', 'field theory, conformal', 'membrane model, p-brane', 'black hole', 'entropy', 'correlation function', 'holography', 'glueball'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008212'] | ['These are introductory lectures on the correspondence between SU(N) gauge theories and Superstring Theory in anti-de Sitter geometries (AdS). The subject combines a number of different topics, including supersymmetric field theory, classical and quantum physics of black holes, string theory, string dualities, conform... | ['2000-08-29'] |
2,587 | ['eng'] | ['Awad, A M', 'Johnson, C V'] | ['Higher Dimensional Kerr-AdS Black Holes and the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['black hole, anti-de Sitter', 'black hole, Kerr', 'field theory, conformal', 'tensor, energy-momentum', 'anomaly, conformal', 'dimension, 5-7', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008211'] | ['Using the counterterm subtraction technique we calculate the stress-energy tensor, action, and other physical quantities for Kerr-AdS black holes in various dimensions. For Kerr-AdS_5 with both rotation parameters non-zero, we demonstrate that stress-energy tensor, in the zero mass parameter limit, is equal to the st... | ['2000-08-29'] |
2,588 | ['eng'] | ['Bonneau, G'] | ['Regularisation'] | ['Particle Physics - Theory'] | ['regularization', 'Ward identity', 'quantum electrodynamics', 'radiative correction', 'violation, CPT', 'Chern-Simons term', 'two-point function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008210'] | ['We analyse the recent controversy on a possible Chern-Simons like term generated through radiative corrections in QED with a CPT violating term : we prove that, if the theory is correctly defined through Ward identities and normalisation conditions, no Chern-Simons term appears, without any ambiguity. This is related... | ['2000-08-29'] |
2,589 | ['eng'] | ["D'Auria, R", 'Ferrara, Sergio', 'Vaulà, S'] | ['F(4) Supergravity and 5D Superconformal Field Theories'] | ['Particle Physics - Theory'] | ['talk, Istanbul 2000/06/19', 'supergravity', 'supersymmetry, superfield', 'gauge field theory, F(4)', 'field theory, conformal', 'dimension, 5', 'vacuum state', 'differential forms', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008209'] | ['We give a short account of the recently constructed N=2 D=6 matter coupled supergravity based on the F(4) exceptional supergroup and of its 5D superconformal theory correspondent.'] | ['2000-08-29'] |
2,590 | ['eng'] | ['Castro-Alvaredo, O A', 'Fring, A'] | ['Renormalization group flow with unstable particles'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'renormalization group', 'central charge, Virasoro', 'sine-Gordon model', 'symmetry, SU(3)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008208'] | ['The renormalization group flow of an integrable two dimensional quantum field theory which contains unstable particles is investigated. The analysis is carried out for the Virasoro central charge and the conformal dimensions as a function of the renormalization group flow parameter. This allows to identify the corres... | ['2000-08-29'] |
2,591 | ['eng'] | ['Herdegen, A'] | ['No-nonsense Casimir force'] | ['Particle Physics - Theory'] | ['forces, Casimir', 'field theory, scalar', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008207'] | ['Two thin conducting, electrically neutral, parallel plates forming an isolated system in vacuum exert attracting force on each other, whose origin is the quantum electrodynamical interaction. This theoretical hypothesis, known as Casimir effect, has been also confirmed experimentally. Despite long history of the subj... | ['2000-08-29'] |
2,592 | ['eng'] | ['Gates, S J', 'Nishino, H'] | ['Will the Real 4D, N=1 SG Limit of Superstring/M-Theory Please Stand Up?'] | ['Particle Physics - Theory'] | ['supergravity', 'string model', 'supersymmetry', 'M-theory', 'field theory, action', 'renormalization group, beta function', 'axion', 'dilaton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008206'] | ["At the component-level we study the `beta-function-favored constraint' (bffc) formalism, suggested in 1988 as the most natural formulation for supergravity derived from more fundamental theories. We begin with the suggestion that bffc supergravity be identified with new minimal supergravity together with an additiona... | ['2000-08-29'] |
2,593 | ['eng'] | ['Bak, D'] | ['Exact Multi-Vortex Solutions in Noncommutative Abelian-Higgs Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'differential geometry, noncommutative', 'vortex', 'potential, scalar', 'stability', 'vacuum state, bubble'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008204'] | ["We consider the noncommutative Abelian-Higgs theory and construct new types of exact multi-vortex solutions that solve the static equations of motion. They in general do not follow from the BPS equations; only for some specific values of parameters, they satisfy the BPS equations saturating the Bogomol'nyi bound. We ... | ['2000-08-29'] |
2,594 | ['eng'] | ['Das, S R', 'Trivedi, S P', 'Vaidya, S'] | ['Magnetic Moments of Branes and Giant Gravitons'] | ['Particle Physics - Theory'] | ['M-theory', 'graviton', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'magnetic moment', 'black hole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008203'] | ["We study the magnetic analogue of Myers' Dielectric Effect and, in some cases, relate it to the blowing up of particles into branes, first investigated by Greevy, Susskind and Toumbas. We show that $D0$ branes or gravitons in M theory, moving in a magnetic four-form field strength background expand into a non-commuta... | ['2000-08-29'] |
2,595 | ['eng'] | ['Frampton, Paul H'] | ['AdS/CFT Duality and Conformality for Non-Abelian Manifold'] | ['Particle Physics - Theory'] | ['talk, Columbus 2000/08/09', 'field theory, anti-de Sitter', 'field theory, conformal', 'duality', 'orbifold, nonabelian'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008202'] | ['An outline of the conformality approach to the gauge hierarchy is given including the use of non-abelian orbifolds to give unified models of the left-right type.'] | ['2000-08-29'] |
2,596 | ['eng'] | ['Bertolini, M', 'Trigiante, M'] | ['Microscopic entropy of the most general four-dimensional BPS black hole'] | ['Particle Physics - Theory'] | ['black hole, BPS', 'entropy', 'string model', 'spontaneous compactification, torus', 'central charge', 'membrane model', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008201'] | ['In a recent paper we have given the macroscopic and microscopic description of the generating solution of toroidally compactified string theory BPS black holes. In this note we compute its corresponding microscopic entropy. Since by definition the generating solution is the most general solution modulo U-duality tran... | ['2000-08-28'] |
2,597 | ['eng'] | ['Korff, C'] | ['Lie algebraic structures in integrable models, affine Toda field theory'] | ['Particle Physics - Theory'] | ['thesis', 'field theory, Toda', 'field theory, affine', 'dimension, 2', 'integrability', 'algebra, Lie', 'algebra, representation', 'algebra, deformation', 'algebra, fusion', 'duality', 'S-matrix', 'analytic properties', 'bootstrap', 'mass spectrum', 'renormalization', 'field theory, conformal', 'Wess-Zumino-Witten mo... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008200'] | ['The most prominent class of integrable quantum field theories in 1+1 dimensions is affine Toda theory. Distinguished by a rich underlying Lie algebraic structure these models have in recent years attracted much attention not only as test laboratories for non-perturbative methods in quantum field theory but also in th... | ['2000-08-28'] |
2,598 | ['eng'] | ['Solovyov, A V'] | ['On Noncommutative Solitons'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 3', 'differential geometry, noncommutative', 'soliton', 'symmetry, rotational', 'operator, algebra', 'fluctuation', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008199'] | ['We consider 2+1-dimensional classical noncommutative scalar field theory. The general ansatz for a radially symmetric solution is obtained. Some exact solutions are presented. Their possible physical meaning is discussed. The case of the finite $\\theta$ is discussed qualitatively and illustrated by some numerical re... | ['2000-08-28'] |
2,599 | ['eng'] | ['Petkou, Anastasios C', 'Siopsis, G'] | ['Lee-Yang edge singularity in the three-dimensional Gross-Neveu model at finite temperature'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 3', 'finite temperature', 'symmetry, Z(2)', 'energy, density', 'critical phenomena', 'expansion 1/N', 'singularity, Lee-Yang'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0008198'] | ["We discuss the relevance of the Lee-Yang edge singularity to the finite-temperature Z_2-symmetry restoration transition of the Gross-Neveu model in three dimensions. We present an explicit result for its large-N free energy density in terms of Zeta(3) and the absolute maximum of Clausen's function."] | ['2000-08-28'] |
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