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 |
|---|---|---|---|---|---|---|---|---|
11,700 | ['eng'] | ['Bergman, O', 'Thorn, C B'] | ['The Size of a Polymer of String-Bits'] | ['Particle Physics - Theory'] | ['string model, interaction', 'model, polymer', 'nonperturbative', 'bound state', 'numerical calculations, variational'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702068'] | ["In string-bit models, string is described as a polymer of point-like constituents. We attempt to use string-bit ideas to investigate how the size of string is affected by string interactions in a non-perturbative context. Lacking adequate methods to deal with the full complications of bit rearrangement interactions, ... | ['1997-02-10'] |
11,701 | ['eng'] | ['Aldaya, V', 'Calixto, M', 'Guerrero, J'] | ['Algebraic versus Topologic Anomalies'] | ['Particle Physics - Theory'] | ['talk, Brno 1995/08/28', 'quantization, geometrical', 'group theory, quantization', 'anomaly', 'algebra', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702069'] | ['Within the frame of a Group Approach to Quantization anomalies arise in a quite natural way. We present in this talk an analysis of the basic obstructions that can be found when we try to translate symmetries of the Newton equations to the Quantum Theory. They fall into two classes: algebraic and topologic according ... | ['1997-02-10'] |
11,702 | ['eng'] | ['Davis, S'] | ['Scalar Field Theory in Curved Space and the Definition of Momentum'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, scalar', 'propagator, spectral representation', 'momentum', 'Goldstone theorem', 'quantization', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702070'] | ["Some general remarks are made about the quantum theory of scalar fields and the definition of momentum in curved space. Special emphasis is given to field theory in anti-de Sitter space, as it represents a maximally symmetric space-time of constant curvature which could arise in the local description of matter intera... | ['1997-02-10'] |
11,703 | ['eng'] | ['Calixto, M', 'Aldaya, V', 'Guerrero, J'] | ['Global restrictions to the Mixing Angle $\\theta_W$'] | ['Particle Physics - Theory'] | ['talk, Goslar 1996/07/15', 'electroweak interaction, SU(2) x U(1)', 'Weinberg angle', 'neutral current', 'algebra, Lie'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702071'] | ['We provide the theoretic value 1/2 for the quantity $SU(2)\\otimes U(1)_Y$. The arguments we use are of topological nature and have to do with natural requirements of globality in the transformations of the gauge algebra. This results supports the idea that the two definitions of asymptotic limit corresponding to an ... | ['1997-02-10'] |
11,704 | ['eng'] | ['Semikhatov, A M'] | ['On the Equivalence of Affine sl(2) and N=2 Superconformal Representation Theories'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'algebra, conformal', 'algebra, affine', 'supersymmetry, algebra', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702074'] | ['There exist two different languages, the ^sl(2) and N=2 ones, to describe similar structures; a dictionary is given translating the key representation-theoretic terms related to the two algebras. The main tool to describe the structure of ^sl(2) and N=2 modules is provided by diagrams of extremal vectors. The ^sl(2) ... | ['1997-02-10'] |
11,705 | ['eng'] | ['Das, S', 'Das-Gupta, A', 'Sarkar, T'] | ['High Energy Effects on D-Brane and Black Hole Emission Rates'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 5', 'scalar particle, emission', 'membrane model, p-brane', 'radiation, Hawking', 'effect, back reaction', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702075'] | ['We study the emission of scalar particles from a class of near-extremal five dimensional black holes and the corresponding D-brane configuration at high energies. We show that the distribution functions and the black hole greybody factors are modified in the high energy tail of the Hawking spectrum in such way that t... | ['1997-02-10'] |
11,706 | ['eng'] | ['Klebanov, Igor R'] | ['World Volume Approach to Absorption by Non-dilatonic Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 2', 'p-brane, 3', 'p-brane, 5', 'field theory, scalar', 'field theory, M-theory', 'scattering', 'total cross section'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702076'] | ['We calculate classical cross sections for absorption of massless scalars by the extremal 3-branes of type IIB theory, and by the extremal 2- and 5-branes of M-theory. The results are compared with corresponding calculations in the world volume effective theories. For all three cases we find agreement in the scaling w... | ['1997-02-10'] |
11,707 | ['eng'] | ['Skarzhinsky, V D', 'Audretsch, J', 'Jasper, U'] | ['Electron-positron pair production in the Aharonov-Bohm potential'] | ['Particle Physics - Theory'] | ['electron, pair production', 'pair production, electron', 'Aharonov-Bohm effect', 'quantum electrodynamics', 'Dirac equation, solution', 'wave function', 'electron, photoproduction', 'photoproduction, electron', 'cross section, energy dependence', 'angular distribution', 'polarization', 'flux tube, magnetic', 'magneti... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709134'] | ['In the framework of QED we evaluate the cross section for electron-positron pair production by a single photon in the presence of the external Aharonov-Bohm potential in first order of perturbation theory. We analyse energy, angular and polarization distributions at different energy regimes: near the threshold and at... | ['1997-09-19'] |
11,708 | ['eng'] | ['Audretsch, J', 'Jasper, U', 'Skarzhinsky, V D'] | ['Bremsstrahlung of relativistic electrons in the Aharonov-Bohm potential'] | ['Particle Physics - Theory'] | ['electron, relativistic', 'bremsstrahlung', 'Aharonov-Bohm effect', 'flux tube, magnetic', 'magnetic, flux tube', 'quantum electrodynamics', 'cross section, energy dependence', 'polarization', 'angular distribution, asymmetry', 'asymmetry, angular distribution', 'electron, magnetic moment', 'magnetic moment, electron'... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709133'] | ["We investigate the scattering of an electron by an infinitely thin and infinitely long straight magnetic flux tube in the framework of QED. We discuss the solutions of the Dirac and Maxwell fields in the related external pure AB potential and evaluate matrix elements and differential probabilities for the bremsstrahl... | ['1997-09-19'] |
11,709 | ['eng'] | ['García-Compéan, H', 'Plebanski, J F', 'Przanowski, M'] | ['Geometry Associated with Self-dual Yang-Mills and the Chiral Model Approaches to Self-dual Gravity'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'model, chiral', 'gravitation', 'duality', 'field theory, deformation', 'differential geometry, symplectic', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702046'] | ["A geometric formulation of the Moyal deformation for the Self-dual Yang-Mills theory and the Chiral Model approach to Self-dual gravity is given. We find in Fedosov's geometrical construction of deformation quantization the natural geometrical framework associated to the Moyal deformation of the six-dimensional versi... | ['1997-02-07'] |
11,710 | ['eng'] | ['Kitazawa, N'] | ['An Analysis on a Supersymmetric Chiral Gauge Theory with No Flat Direction'] | ['Particle Physics - Theory'] | ['talk, Nagoya 1996/11/13', 'gauge field theory, SU(5)', 'supersymmetry, superfield', 'superfield, chiral', 'effective action', 'potential, Kaehler', 'potential, flat direction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702047'] | ['A guiding principle to determine the Kaehler potential in the low energy effective theory of the supersymmetric chiral gauge theory with no flat direction is proposed. The guiding principle is applied to the SU(5) gauge theory with chiral superfields in the 5* and 10 representation, and the low energy effective theor... | ['1997-02-07'] |
11,711 | ['eng'] | ['Gonçalves-Carvalhaes, C', 'Belvedere, L V', 'Amaral, R L P G', 'Lemos, N A'] | ['Higher-Derivative Massive Fermion Theories'] | ['Particle Physics - Theory'] | ['fermion', 'field theory, action', 'derivative, high', 'field theory, massive', 'dimension, 2', 'Hamiltonian formalism', 'bosonization', 'current, interaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702048'] | ['We propose and canonically quantize a generalization of the two-dimensional massive fermion theory described by a Lagrangian containing third-order derivatives. In our approach the mass term contains a derivative coupling. The quantum solution is expressed in terms of three usual fermions. Employing the standard boso... | ['1997-02-07'] |
11,712 | ['eng'] | ['Reinhardt, H'] | ['Resolution of Gauss Law in Yang-Mills Theory by Gauge Invariant Projection'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Hamiltonian formalism', 'Gauss law', 'partition function', 'topology', 'field theory, monopole', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702049'] | ["An efficient way of resolving Gauss' law in Yang-Mills theory is presented by starting from the projected gauge invariant partition function and integrating out one spatial field variable. In this way one obtains immediately the description in terms of unconstrained gauge invariant variables which was previously obta... | ['1997-02-07'] |
11,713 | ['eng'] | ['Dabholkar, A'] | ['Microstates of Non-supersymmetric Black Holes'] | ['Particle Physics - Theory'] | ['black hole, dyon', 'dimension, 5', 'entropy', 'membrane model', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702050'] | ['A five-dimensional dyonic black hole in Type-I theory is considered that is extremal but non-supersymmetric. It is shown that the Bekenstein-Hawking entropy of this black hole counts precisely the microstates of a D-brane configuration with the same charges and mass, even though there is no apparent supersymmetric no... | ['1997-02-07'] |
11,714 | ['eng'] | ['Penati, S', 'Santambrogio, A', 'Zanon, D'] | ['Gravitational Dressing of N=2 $\\sigma$-Models Beyond Leading Order'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supergravity, induced', 'supersymmetry, superspace', 'central charge, dependence', 'approximation, quasiclassical', 'field theory, Kaehler', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702051'] | ['We study the beta-function of the N=2 sigma-model coupled to N=2 induced supergravity. We compute corrections to first order in the semiclassical limit, $c \\to -\\infty$, beyond one-loop in the matter fields. As compared to the corresponding bosonic, metric sigma-model calculation, we find new types of contributions... | ['1997-02-07'] |
11,715 | ['eng'] | ['Hurth, Tobias', 'van Nieuwenhuizen, P', 'Waldron, A K', 'Preitschopf, C R'] | ['On a possible new $R^2$ theory of supergravity'] | ['Particle Physics - Theory'] | ['supergravity, action', 'supersymmetry, algebra', 'algebra, OSp(1/8)', 'invariance, gauge', 'torsion', 'duality', 'invariance, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702052'] | ['We consider a new MacDowell-Mansouri R^2-type of supergravity theory, an extension of conformal supergravity, based on the superalgebra Osp(1|8). Invariance under local symmetries with negative Weyl weight is achieved by imposing chirality-duality and double-duality constraints on curvatures, along with the usual con... | ['1997-02-07'] |
11,716 | ['eng'] | ['Aste, A', 'Dütsch, M', 'Scharf, G'] | ['Electroweak theory without spontaneous symmetry breaking, 2'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'invariance, gauge', 'fermion, coupling', 'potential, Higgs', 'anomaly, axial', 'tree approximation', 'gauge field theory, massive'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702053'] | ['A recent construction of the electroweak theory, based on quantum gauge invariance alone, is extended to the general case of more generations of fermions with arbitrary mixing. The conditions implied by second order gauge invariance lead to an isolated solution for the fermionic couplings in agreement with the standa... | ['1997-02-07'] |
11,717 | ['eng'] | ['Labastida, J M F', 'Marino, M'] | ['Twisted Baryon Number in N=2 Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'supersymmetry', 'baryon number, twist', 'field theory, topological', 'monopole, nonabelian', 'current, U(1)', 'dimension, 2', 'dimension, 4', 'sigma model', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702054'] | ['We show that the baryon number of N=2 supersymmetric QCD can be twisted in order to couple the topological field theory of non-abelian monopoles to $Spin^c$-structures. To motivate the construction, we also consider some aspects of the twisting procedure as a gauging of global currents in two and four dimensions, in ... | ['1997-02-07'] |
11,718 | ['eng'] | ['Waldron, A K'] | ['A Wick Rotation for Spinor Fields'] | ['Particle Physics - Theory'] | ['spinor, Dirac', 'propagator', 'phase space, Fock space', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702057'] | ['Recently we proposed a new Wick rotation for Dirac spinors which resulted in a hermitean action in Euclidean space. Our work was in a path integral context, however, in this note, we provide the canonical formulation of the new Wick rotation along the lines of the proposal of Osterwalder and Schrader.'] | ['1997-02-07'] |
11,719 | ['eng'] | ['Anselmi, D'] | ['Central functions and their physical implications'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'tensor, energy-momentum', 'propagator', 'renormalization', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702056'] | ["I define central functions c(g) and c'(g) in quantum field theory, useful to study the flow of the numbers of vector, spinor and scalar degrees of freedom from the UV limit to the IR limit and basic ingredients for a description of quantum field theory as an interpolating theory between pairs of 4D conformal field th... | ['1997-02-07'] |
11,720 | ['eng'] | ['Lavrinenko, I V', 'Lü, H', 'Pope, C N', 'Tran, T A'] | ['Harmonic superpositions of non-extremal p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'field theory, soliton', 'symmetry', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702058'] | ['The plot of allowed p and D values for p-brane solitons in D-dimensional supergravity is the same whether the solitons are extremal or non-extremal. One of the useful tools for relating different points on the plot is vertical dimensional reduction, which is possible if periodic arrays of p-brane solitons can be cons... | ['1997-02-07'] |
11,721 | ['eng'] | ['Jensen, B', 'Mani, P'] | ['On the Stability of the GPS Magnetic Monopole Solution'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'Kaluza-Klein model', 'field theory, magnetic monopole', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702044'] | ['The question of the stability of the four dimensional Gross-Perry-Sorkin Kaluza-Klein magnetic monopole solution is investigated within the framework of a N=2, D=5 supergravity theory. We show that this solution does not support a spin structure of the Killing type and is therefore, contrary to previous expectations,... | ['1997-02-12'] |
11,722 | ['eng'] | ['Henneaux, M', 'Knaepen, B', 'Schomblond, C'] | ['BRST cohomology of the Chapline-Manton model'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 3', 'cohomology, Becchi-Rouet-Stora', 'differential forms', 'anomaly', 'field theory, antifield'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702042'] | ['We completely compute the local BRST cohomology $H(s|d)$ of the combined Yang-Mills-2-form system coupled through the Yang-Mills Chern-Simons term ("Chapline-Manton model"). We consider the case of a simple gauge group and explicitely include in the analysis the sources for the BRST variations of the fields ("antifie... | ['1997-02-12'] |
11,723 | ['eng'] | ['Brustein, Ram', 'Madden, R'] | ['Graceful Exit and Energy Conditions in String Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics', 'string model', 'phase space', 'gravitation, dilaton', 'effective action', 'critical phenomena', 'energy', 'space-time, singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702043'] | ['String cosmology solutions are examined in a generalized phase-space including sources representing arbitrary corrections to lowest order string-dilaton-gravity effective action. We find a set of necessary conditions for a graceful exit transition from a dilaton-driven inflationary phase to a radiation dominated era.... | ['1997-02-12'] |
11,724 | ['eng'] | ['Hawking, Stephen William', 'Taylor-Robinson, M M'] | ['Evolution of near extremal black holes'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 4', 'dimension, 5', 'charged particle, emission', 'neutral particle, emission', 'particle, scattering', 'energy loss', 'information theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702045'] | ['Near extreme black holes can lose their charge and decay by the emission of massive BPS charged particles. We calculate the greybody factors for low energy charged and neutral scalar emission from four and five dimensional near extremal Reissner-Nordstrom black holes. We use the corresponding emission rates to obtain... | ['1997-02-12'] |
11,725 | ['eng'] | ['Carneiro, S'] | ['Probability Amplitudes for Charge-Monopole Scattering'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'field theory, monopole', 'scattering', 'propagator', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702036'] | ['In this letter we quantize a previously proposed non-local lagrangean for the classical dual electrodynamics (Phys.Lett.B 384(1996)197), showing how it can be used to construct probability amplitudes. Our results are shown to agree with the obtained by the Schwinger and Zwanziger formulations, but without necessity o... | ['1997-02-06'] |
11,726 | ['eng'] | ['Alvarez, M'] | ['Hamiltonian Reduction of Non-Linear Waves'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, classical', 'field theory, nonlinear', 'Hamiltonian formalism', 'constraint', 'eta', 'potential, symplectic', 'phase space', 'quantization, quasiclassical', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702040'] | ['The Faddeev-Jackiw Hamiltonian Reduction approach to constrained dynamics is applied to the collective coordinates analysis of non-linear waves, and compared with the alternative procedure known as symplectic formalism.'] | ['1997-02-06'] |
11,727 | ['eng'] | ['Martellini, M', 'Zeni, M'] | ['Feynman rules and $\\beta$-function for the BF Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gauge field theory, BF', 'field theory, topological', 'field theory, deformation', 'renormalization group, beta function', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702035'] | ['Yang-Mills theory in the first order formalism appears as the deformation of a topological field theory, the pure BF theory. We discuss this formulation at the quantum level, giving the Feynman rules of the BF-YM theory, the structure of the renormalization and checking its uv-behaviour in the computation of the beta... | ['1997-02-06'] |
11,728 | ['eng'] | ['Sissakian, A N', 'Shevchenko, O Yu', 'Solganik, S B'] | ['Discussion on "Dynamical Chern-Simons term generation at finite density" and "Chern-Simons term at finite density"'] | ['Particle Physics - Theory'] | ['gauge field theory', 'Chern-Simons term', 'density, finite', 'parity, anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702032'] | ['We discuss the comment by V.Zeitlin on our recent papers concerning Chern-Simons term generation at finite density.'] | ['1997-02-06'] |
11,729 | ['eng'] | ['Jatkar, D P'] | ['Non-perturbative Enhanced Gauge Symmetries in the Gimon-Polchinski Orientifold'] | ['Particle Physics - Theory'] | ['string model', 'field theory, orientifold', 'field theory, Kaehler', 'field theory, Calabi-Yau', 'field theory, F-theory', 'geometry, algebra', 'invariance, gauge', 'nonperturbative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702031'] | ['We study the enhanced gauge symmetries at constant couplings in the moduli space of the Gimon-Polchinski Orientifold. We show that whenever there is a singularity of E_6, E_7 and E_8 type we get enhanced gauge symmetry U(5), U(6) and U(8) respectively. This is due to the additional twisting involved in the definition... | ['1997-02-06'] |
11,730 | ['eng'] | ['Frau, M', 'Pesando, I', 'Sciuto, S', 'Lerda, A', 'Russo, R'] | ['Scattering of closed strings from many D-branes'] | ['Particle Physics - Theory'] | ['string model, closed', 'scattering amplitude, factorization', 'membrane model, p-brane', 'background field', 'phase space', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702037'] | ['We develop an operator formalism to compute scattering amplitudes of arbitrary bosonic string states in the background of many D-branes. Specifically, we construct a suitable boundary state which we use to saturate the multi-Reggeon vertex in order to obtain the generator of multi-membrane scattering amplitudes. We e... | ['1997-02-06'] |
11,731 | ['eng'] | ['Weinberg, S'] | ['What is Quantum Field Theory, and What Did We Think It Is?'] | ['Particle Physics - Theory'] | ['talk, Boston 1996/03/01', 'particle physics, history', 'quantization', 'Hamiltonian formalism', 'electromagnetic field', 'S-matrix', 'epsilon expansion', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702027'] | ["This is a talk presented at the conference ``Historical and Philosophical Reflections on the Foundations of Quantum Field Theory,'' at Boston University, March 1996. It will be published in the proceedings of this conference."] | ['1997-02-06'] |
11,732 | ['eng'] | ['Chiang, T M', 'Distler, Jacques', 'Greene, Brian R'] | ['Some Features of (0,2) Moduli Space'] | ['Particle Physics - Theory'] | ['field theory, Calabi-Yau', 'moduli space', 'anomaly', 'coupling, Yukawa', 'fibre bundle', 'field theory, F-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702030'] | ['We discuss some aspects of perturbative $(0,2)$ Calabi-Yau moduli space. In particular, we show how models with different $(0,2)$ data can meet along various sub-loci in their moduli space. In the simplest examples, the models differ by the choice of desingularization of a holomorphic V-bundle over the same resolved ... | ['1997-02-06'] |
11,733 | ['eng'] | ['Kiselev, V G', 'Shnir, Ya M'] | ['Interaction of Non-Abelian Monopole with External Field'] | ['Particle Physics - Theory'] | ['talk, Goslar 1996/07/15', 'gauge field theory, SU(2)', 'Higgs model', 'external field', 'field equations, monopole', 'monopole, interaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702033'] | ["The interaction of a nontrivial topological field configuration with the external fields is considered. The approach is based on the calculation of the zero modes excitation probability. We consider the interaction of the t'Hooft-Polyakov monopole with an external weak uniform magnetic field and the field of another ... | ['1997-02-06'] |
11,734 | ['eng'] | ['Saffin, P M', 'Copeland, E J'] | ['Bubble collisions in SU(2) x U(1) gauge theory and the production of non-topological strings'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2) x U(1)', 'Higgs model', 'symmetry breaking', 'field equations, solution', 'vacuum state, bubble', 'critical phenomena', 'string model', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702034'] | ['We extend work done previously concerning the formation of vortices in a U(1)->1 gauge theory at a first order phase transition to the symmetry breaking SU(2)xU(1)->U(1). It is shown that the collision of bubbles, appearing at the phase transition, allow the possibility for forming non-topological strings associated ... | ['1997-02-06'] |
11,735 | ['eng'] | ['Intriligator, K'] | ['RG Fixed Points in Six Dimensions via Branes at Orbifold Singularities'] | ['Particle Physics - Theory'] | ['supersymmetry', 'dimension, 6', 'field theory, orbifold', 'membrane model', 'renormalization group, fixed point', 'instanton', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702038'] | ['We discuss a set of generalized, necessary conditions for non-trivial, interacting fixed points in six dimensional supersymmetric field theories. We use string theory to argue for the existence of infinite families of interacting RG fixed point theories. The theories are based on certain gauge groups and matter conte... | ['1997-02-06'] |
11,736 | ['eng'] | ['Galtsov, D V', 'Sharakin, S A'] | ['Matrix Ernst potentials for EMDA with multiple vector fields'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation', 'dilaton', 'axion', 'field theory, vector', 'symmetry, SU(N,N)', 'symmetry, chiral', 'potential', 'relativity theory, general', 'black hole', 'sigma model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702039'] | ['We show that the Einstein-Maxwell-Dilaton-Axion system with multiple vector fields (bosonic sector of the D=4, N=4 supergravity) restricted to spacetimes possessing a non-null Killing vector field admits a concise representation in terms of the Ernst-type matrix valued potentials. A constructive derivation of the SWI... | ['1997-02-06'] |
11,737 | ['eng'] | ['Das-Gupta, I'] | ['Vacuum Tunneling by Cosmic Strings'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'vacuum state, tunneling', 'topology, defect', 'symmetry, O(2) x O(2)', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702041'] | ['We consider vacuum tunneling of a new kind where the false vacua are not translationally invariant, but have topological defects that break some of their translational symmetries. In the particular case where the topological defects are cosmic strings, we show the existence of an O(2) \\times O(2) symmetric bounce co... | ['1997-02-06'] |
11,738 | ['eng'] | ['Maldacena, J M', 'Strominger, A'] | ['Universal Low-Energy Dynamics for Rotating Black Holes'] | ['Particle Physics - Theory'] | ['black hole, excited state', 'field theory, conformal', 'dimension, 2', 'string model', 'low-energy theorem', 'Einstein-Maxwell equation', 'sparticle, emission', 'sparticle, absorption', 'sparticle, decay', 'dimension, 4', 'dimension, 5', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702015'] | ['Fundamental string theory has been used to show that low energy excitations of certain black holes are described by a two dimensional conformal field theory. This picture has been found to be extremely robust. In this paper it is argued that many essential features of the low energy effective theory can be inferred d... | ['1997-02-04'] |
11,739 | ['eng'] | ['Hauer, T'] | ['Massive current algebra in the many-flavor chiral Gross-Neveu model'] | ['Particle Physics - Theory'] | ['Gross-Neveu model, chiral', 'current algebra, SU(N)', 'charge, nonlocal', 'operator product expansion', 'renormalization group', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702016'] | ['We study the algebra of SU(n)-currents in the many-flavor chiral Gross-Neveu model. The general structure of the current-current OPE leading to non-local quantum conserved charges is reviewed. We calculate the OPE in the one-flavor and the many-flavor models perturbatively and use renormalization group invariance to ... | ['1997-02-04'] |
11,740 | ['eng'] | ['Dorn, H', 'Otto, H J'] | ['Remarks on T-duality for open strings'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'string model, open', 'sigma model, nonlinear', 'gauge field theory', 'duality', 'renormalization group, beta function', 'Born-Infeld model', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702018'] | ['This contribution gives in sigma-model language a short review of recent work on T-duality for open strings in the presence of abelian or non-abelian gauge fields. Furthermore, it adds a critical discussion of the relation between RG beta-functions and the Born-Infeld action in the case of a string coupled to a D-bra... | ['1997-02-04'] |
11,741 | ['eng'] | ['Gorbunov, I V', 'Kuzenko, S M', 'Lyakhovich, S L'] | ['$N=1$, $D=3$ Superanyons, $osp(2|2)$ and the Deformed Heisenberg Algebra'] | ['Particle Physics - Theory'] | ['anyon', 'dimension, 3', 'supersymmetry', 'algebra, OSp(2|2)', 'algebra, Heisenberg', 'algebra, deformation', 'Hamiltonian formalism', 'phase space', 'quantization, constraint', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702017'] | ['We introduce N=1 supersymmetric generalization of the mechanical system describing a particle with fractional spin in D=1+2 dimensions and being classically equivalent to the formulation based on the Dirac monopole two-form. The model introduced possesses hidden invariance under N=2 Poincaré supergroup with a central... | ['1997-02-04'] |
11,742 | ['eng'] | ['Ambjørn, Jan', 'Hayasaka, K', 'Nakayama, R'] | ['Non-critical open strings beyond the semi-classical approximation'] | ['Particle Physics - Theory'] | ['string model, open', 'correction, wave function', 'field theory, Liouville', 'expansion, quasiclassical', 'boundary condition', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702019'] | ['We studied the lowest order quantum corrections to the macroscopic wave functions $\\Gamma (A,\\ell)$ of non-critical string theory using the semi-classical expansion of Liouville theory. By carefully taking the perimeter constraint into account we obtained a new type of boundary condition for the Liouville field whi... | ['1997-02-04'] |
11,743 | ['eng'] | ['Iengo, R', 'Jug, G'] | ['Vacuum Instability and Pair Nucleation in a Dissipative Medium'] | ['Particle Physics - Theory'] | ['model, dissipation', 'vacuum state, stability', 'particle, pair production', 'dimension, 3', 'electromagnetic field', 'string model', 'current, decay', 'superconducting', 'vortex, pair production'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702021'] | ['We present a systematic and unifying treatment of the problem of spontaneous nucleation of particle-antiparticle pairs in a (2+1)-dimensional system due to a static and uniform electromagnetic-like field, in the presence of quantum dissipation. We first describe a direct derivation of the Caldeira-Leggett type of mec... | ['1997-02-04'] |
11,744 | ['eng'] | ['Mrówczynski, S'] | ['Transport Theory of Massless Fields'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, massless', 'correlation function', 'Dyson-Schwinger equation', 'spectral representation', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702022'] | ['Using the Schwinger-Keldysh technique we discuss how to derive the transport equations for the system of massless quantum fields. We analyse the scalar field models with quartic and cubic interaction terms. In the $\\phi^4$ model the massive quasiparticles appear due to the self-interaction of massless bare fields. T... | ['1997-02-04'] |
11,745 | ['eng'] | ['Klinkhamer, F R', 'Rupp, C'] | ['A global anomaly from the Z-string'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'fermion', 'background field', 'Hamiltonian formalism', 'energy levels', 'Berry phase', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702023'] | ['The response of fermion fields to different backgrounds of essentially 2-dimensional boson fields in SU(2) Yang-Mills-Higgs theory is investigated. In particular, the spectral flow of energy eigenvalues is calculated for a non-contractible sphere of configurations passing through the vacuum and the Z-string (the embe... | ['1997-02-04'] |
11,746 | ['eng'] | ['Giannakis, I', 'Nair, V P'] | ['Symplectic Structures and Self-dual Fields in (4k+2) Dimensions'] | ['Particle Physics - Theory'] | ['boson, chiral', 'dimension, 2', 'field theory, tensor', 'any-dimensional', 'duality', 'dimensional reduction', 'supersymmetry', 'differential geometry, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702024'] | ['We discuss symplectic structures for the chiral boson in (1+1) dimensions and the self-dual field in (4k+2) dimensions. Dimensional reduction of the six-dimensional field on a torus is also considered.'] | ['1997-02-04'] |
11,747 | ['eng'] | ['Chandia, O', 'Zanelli, J'] | ['Topological Invariants, Instantons and Chiral Anomaly on Spaces with Torsion'] | ['Particle Physics - Theory'] | ['space-time', 'torsion', 'charge, topological', 'instanton', 'anomaly, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702025'] | ['In a spacetime with nonvanishing torsion there can occur topologically stable configurations associated with the frame bundle which are independent of the curvature. The relevant topological invariants are integrals of local scalar densities first discussed by Nieh and Yan (N-Y). In four dimensions, the N-Y form $N= ... | ['1997-02-04'] |
11,748 | ['eng'] | ['Berkovich, A', 'McCoy, B M', 'Schilling, A', 'Warnaar, S O'] | ["Bailey flows and Bose-Fermi identities for the conformal coset models $(A^{(1)}_1)_N x (A^{(1)}_1)_{N'}/(A ^{(1)}_1)_{N+N'}$"] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'coset space', 'correlation function', 'analytic properties', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702026'] | ["We use the recently established higher-level Bailey lemma and Bose-Fermi polynomial identities for the minimal models M(p,p') to demonstrate the existence of a Bailey flow from M(p,p') to the coset models $(A^{(1)}_1)_N N' is fractional, and to obtain Bose-Fermi identities for these models. The fermionic side of thes... | ['1997-02-04'] |
11,749 | ['eng'] | ['Ichinose, S', 'Ikeda, N'] | ['Graphical Classification of Global SO(n) Invariants and Independent General Invariants'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'perturbation theory, higher-order', 'symmetry, SO(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702003'] | ['This paper treats some basic points in general relativity and in its perturbative analysis. Firstly a systematic classification of global SO(n) invariants, which appear in the weak-field expansion of n-dimensional gravitational theories, is presented. Through the analysis, we explain the following points: a) a graphi... | ['1997-02-03'] |
11,750 | ['eng'] | ['Guerrero, J', 'Aldaya, V', 'Calixto, M'] | ['Algebraic Quantization on the Torus and Modular Invariance'] | ['Particle Physics - Theory'] | ['talk, Goslar 1996/07/15', 'quantization', 'quantum group, torus', 'invariance, modular', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702004'] | ['New features of systems with non-trivial topology such as fractional quantum numbers, inequivalent quantizations, good operators, topological anomalies, etc. are described in the framework of an algebraic quantization procedure on a group. Modular invariance naturally appears as a subgroup of good operators in the pa... | ['1997-02-03'] |
11,751 | ['eng'] | ['Kim, Y W', 'Park, M I', 'Park, Y J', 'Yoon, S J'] | ['BRST Quantization of the Proca Model based on the BFT and the BFV Formalism'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, massive', 'quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'constraint', 'transformation, Becchi-Rouet-Stora', 'dependence, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702002'] | ['The BRST quantization of the Abelian Proca model is performed using the Batalin-Fradkin-Tyutin and the Batalin-Fradkin-Vilkovisky formalism. First, the BFT Hamiltonian method is applied in order to systematically convert a second class constraint system of the model into an effectively first class one by introducing ... | ['1997-02-03'] |
11,752 | ['eng'] | ['Behrndt, K', 'Sabra, W A'] | ['Static N=2 Black Holes For Quadratic Prepotentials'] | ['Particle Physics - Theory'] | ['black hole, static', 'entropy', 'central charge, minimal', 'prepotential', 'supergravity', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702010'] | ['We employ the principle of minimal central charge and study the entropy of N=2 black holes corresponding to the most general quadratic prepotential. We also give a static black hole solution for these models in which the scalar moduli are non constants. Finally, we speculate on the microscopic origin for our solution... | ['1997-02-03'] |
11,753 | ['eng'] | ['Elitzur, Shmuel', 'Giveon, Amit', 'Kutasov, D'] | ['Branes and N=1 Duality in String Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'duality', 'string model', 'membrane model', 'supersymmetry, superfield'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702014'] | ['We propose a construction of dual pairs in four dimensional N=1 supersymmetric Yang-Mills theory using branes in type IIA string theory.'] | ['1997-02-03'] |
11,754 | ['eng'] | ['Akemann, G'] | ['Universal correlators for multi-arc complex matrix models'] | ['Particle Physics - Theory'] | ['matrix model', 'partition function', 'correlation function', 'loop space', 'analytic properties', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702005'] | ['The correlation functions of the multi-arc complex matrix model are shown to be universal for any finite number of arcs. The universality classes are characterized by the support of the eigenvalue density and are conjectured to fall into the same classes as the ones recently found for the hermitian model. This is exp... | ['1997-02-03'] |
11,755 | ['eng'] | ['Lowe, D A'] | ["Bound States of Type I' D-particles and Enhanced Gauge Symmetry"] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, E(8) x E(8)', 'duality', 'particle, spectra', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702006'] | ["Duality between the E_8 x E_8 heterotic string and Type I' theory predicts a tower of D(irichlet)-particle bound states corresponding to perturbative heterotic string states. In the limit of infinite Type I' coupling, some of these bound states become massless, giving rise to enhanced E_8 x E_8 gauge symmetry. By tak... | ['1997-02-03'] |
11,756 | ['eng'] | ['Howe, Paul S', 'Sezgin, E', 'West, Peter C'] | ['Covariant Field Equations of the M Theory Five-Brane'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'dimension, 11', 'supersymmetry, superspace', 'field equations', 'invariance, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702008'] | ['The component form of the equations of motion for the 5-brane in eleven-dimensions is derived from the superspace equations. These equations are fully covariant in six-dimensions. It is shown that double-dimensional reduction of the bosonic equations gives the equations of motion for a 4-brane in ten dimensions gover... | ['1997-02-03'] |
11,757 | ['eng'] | ['Carlson, C E', 'Molina-Paris, C', 'Pérez-Mercader, J', 'Visser, M'] | ['Casimir effect in dielectrics'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'dielectric', 'effect, finite size', 'electromagnetic field', 'energy, density', 'two-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702007'] | ["In a recent series of papers, Schwinger discussed a process that he called the Dynamical Casimir Effect. The key essence of this effect is the change in zero-point energy associated with any change in a dielectric medium. (In particular, if the change in the dielectric medium is taken to be the growth or collapse of ... | ['1997-02-03'] |
11,758 | ['eng'] | ['Antonsen, F', 'Bormann, K'] | ['Effective Actions for Spin 0,1/2,1 in Curved Spacetimes'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, Dirac', 'gauge field theory, Yang-Mills', 'space-time', 'effective potential', 'perturbation theory, higher-order', 'regularization, zeta function', 'mean field approximation', 'tensor, energy-momentum', 'critical phenomena', 'symmetry breaking', 'quantization', 'anomaly, conform... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702009'] | ['We calculate the effective potentials for scalar, Dirac and Yang-Mills fields in curved backgrounds using a new method for the determination of the heat kernel involving a re-summation of the Schwinger-DeWitt series. Self-interactions are treated both to one loop order as usual and slightly beyond one-loop order by m... | ['1997-02-03'] |
11,759 | ['eng'] | ['Holman, R', 'Kumar, S P'] | ['Gravitino Zero Modes on $U(1)_R$ Strings'] | ['Particle Physics - Theory'] | ['string model', 'supergravity', 'R parity, spontaneously broken', 'gravitino', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702011'] | ['We consider theories with a spontaneously broken gauged R-symmetry, which can only occur in supergravity models. These give rise to cosmic R-strings upon which gravitino zero modes can exist. We construct solutions to the Rarita-Schwinger spin-3/2 equation describing the gravitino in the field of these cosmic strings... | ['1997-02-03'] |
11,760 | ['eng'] | ['Schulze, J', 'Warner, N P'] | ['BPS Geodesics in N=2 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'field theory, monopole', 'geometry, algebra', 'Riemann surfaces', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9702012'] | ['We introduce some techniques for making a more global analysis of the existence of geodesics on a Seiberg-Witten Riemann surface with metric $ds^2 = existence of BPS states in N=2 supersymmetric Yang-Mills theory, one can use these methods to study the BPS spectrum in various phases of the Yang-Mills theory. By way o... | ['1997-02-03'] |
11,761 | ['eng'] | ['Billó, M', 'Cangemi, D', 'Vecchia, P D'] | ['Boundary states for moving D-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, interaction', 'phase space, boundary condition', 'string model', 'supersymmetry', 'gauge field theory, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701190'] | ['We determine the boundary state for both the NS-NS and R-R sectors of superstring theory. We show how they are modified under a boost. The boosted boundary state is then used for computing the interaction of two D-branes moving with constant velocity reproducing with a completely different method a recent calculation... | ['1997-02-19'] |
11,762 | ['eng'] | ['Figueroa, H', 'Gracía-Bondía, José M', 'Lizzi, F', 'Varilly, J C'] | ['A nonperturbative form of the spectral action principle in noncommutative geometry'] | ['Particle Physics - Theory'] | ['gravitation', 'gauge field theory, Yang-Mills', 'Higgs model', 'unified field theory', 'differential geometry, noncommutative', 'field theory, action', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701179'] | ['Using the formalism of superconnections, we show the existence of a bosonic action functional for the standard K-cycle in noncommutative geometry, giving rise, through the spectral action principle, only to the Einstein gravity and Standard Model Yang-Mills-Higgs terms. It provides an effective nonminimal coupling in... | ['1997-02-19'] |
11,763 | ['eng'] | ['Alvarez, Enrique', 'Borlaf, J', 'León, J H'] | ['T-Duality Without Quantum Corrections'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'gauge field theory', 'supersymmetry', 'space-time', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701178'] | ["It is a well known fact that the classical (``Buscher'') transformations of T-duality do receive, in general, quantum corrections. It is interesting to check whether classical T-duality can be exact as a quantum symmetry. The natural starting point is a $\\sigma$-model with N=4 world sheet supersymmetry. Remarkably, ... | ['1997-02-19'] |
11,764 | ['eng'] | ['Lü, H', 'Pope, C N'] | ['T-duality and U-duality in toroidally-compactified strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification, torus', 'dimensional reduction', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701177'] | ['We address the issue of T-duality and U-duality symmetries in the toroidally-compactified type IIA string. It is customary to take as a starting point the dimensionally-reduced maximal supergravity theories, with certain field strengths dualised such that the classical theory exhibits a global $E_{n(n)}$ symmetry, wh... | ['1997-02-19'] |
11,765 | ['eng'] | ['Calixto, M', 'Aldaya, V', 'Navarro, M'] | ['Quantum Field Theory in curved space from a Second Quantization on a Group'] | ['Particle Physics - Theory'] | ['space-time', 'quantization, 2', 'group theory, geometrical', 'phase space, Fock space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701180'] | ['In this article we propose a ``second quantization" scheme especially suitable to deal with non-trivial phase spaces, implemented within a more general Group Approach to Quantization, which recovers the standard Quantum Field Theory (QFT) for ordinary relativistic linear fields. We emphasize, among its main virtues, ... | ['1997-02-19'] |
11,766 | ['eng'] | ['Antonsen, F', 'Bormann, K'] | ['On "Effective potential for a covariantly constant gauge field in curved spacetime"'] | ['Particle Physics - Theory'] | ['space-time', 'gauge field theory, Yang-Mills', 'effective potential', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701181'] | ['We extend recent work by Elizalde et al. to incorporate curvatures which are not small and backgrounds which are not just $S^2\\times R^2, S^1\\times S^1'] | ['1997-02-19'] |
11,767 | ['eng'] | ['Antonsen, F'] | ['A New Non-Perturbative Approach to Quantum Theory in Curved Spacetime Using the Wigner Function'] | ['Particle Physics - Theory'] | ['space-time', 'quantum gravity', 'effective action', 'perturbation theory, higher-order', 'field equations', 'fermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701182'] | ["A new non-perturbative approach to quantum theory in curved spacetime and to quantum gravity, based on a generalisation of the Wigner equation, is proposed. Our definition for a Wigner equation differs from what have otherwise been proposed, and does not imply any approximations. It is a completely exact equation, fu... | ['1997-02-19'] |
11,768 | ['eng'] | ['Dateki, T'] | ['The Phase Structure of the Gross-Neveu Model with Thirring Interaction at the Next to Leading Order of 1/N Expansion'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 2-4', 'critical phenomena, chiral', 'Thirring model', 'expansion 1/N', 'effective potential', 'Dyson-Schwinger equation', 'gauge field theory, hidden symmetry', 'symmetry, spontaneously broken', 'vacuum polarization', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701183'] | ['We study the critical behavior of the D (2<D<4) dimensional Gross-Neveu model with a Thirring interaction, where a vector-vector type four-fermi interaction is on equal terms with a scalar-scalar type one. By using inversion method up to the next-to-leading order of 1/N expansion, we construct a gauge invariant effec... | ['1997-02-19'] |
11,769 | ['eng'] | ['Manfredini, E'] | ['Finite Size Scaling and Running Coupling Constant in CP(N-1) models'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'lattice field theory, action', 'correlation, length', 'scaling, finite size', 'expansion 1/N', 'asymptotic freedom', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701184'] | ['In this work I present a numerical study of the Finite Size Scaling (FSS) of a correlation length in the framework of the $CP ^{N-1}$ model by means of the 1/N expansion. This study has been thought as propedeutical to the application of FSS to the measure on the lattice of a new coupling constant $f_{x}(1/R)$, defin... | ['1997-02-19'] |
11,770 | ['eng'] | ['Fayyazuddin, A'] | ['Results in SUSY field theory from 3-brane probe in F-theory'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 3', 'supersymmetry', 'field theory, F-theory', 'background field', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701185'] | ["Employing Sen's picture of BPS states on a 3-brane probe world volume field theory in a F-theory background. we determine some selection rules for the allowed spectrum in massless $N_{f}\\leq 4$ SU(2) Seiberg-Witten theory. The spectrum for any $N_f \\leq 4$ is consistent with previous conjectures and analysis."] | ['1997-02-19'] |
11,771 | ['eng'] | ['Lozano, Y'] | ['D-brane Dualities as Canonical Transformations'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'Hamiltonian formalism', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701186'] | ['We show that the SL(2,R) duality symmetry of type IIB superstring theory can be formulated as the canonical transformation interchanging momenta and magnetic degrees of freedom associated to the abelian world-volume gauge field of the D-3-brane. D-strings are shown to be connected under the corresponding transformati... | ['1997-02-19'] |
11,772 | ['eng'] | ['Klebanov, Igor R', 'Mathur, S D'] | ['Black Hole Greybody Factors and Absorption of Scalars by Effective Strings'] | ['Particle Physics - Theory'] | ['black hole, charge', 'dimension, 5', 'string model', 'temperature', 'string tension', 'field theory, scalar', 'field theory, massless', 'coupling, minimal', 'dimension, 4', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701187'] | ['We compute the greybody factors for classical black holes in a domain where two kinds of charges and their anticharges are excited by the extra energy over extremality. We compare the result to the greybody factors expected from an effective string model which was earlier shown to give the correct entropy. In the reg... | ['1997-02-19'] |
11,773 | ['eng'] | ['Russo, Jorge G'] | ['T-duality in M-theory and supermembranes'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'field theory, M-theory', 'string model, bound state', 'duality', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701188'] | ['The (q_1,q_2) SL(2,Z) string bound states of type IIB superstring theory admit two inequivalent (T-dual) representations in eleven dimensions in terms of a fundamental 2-brane. In both cases, the spectrum of membrane oscillations can be determined exactly in the limit $g^2\\to \\infty $, where $g^2$ is the type IIA s... | ['1997-02-19'] |
11,774 | ['eng'] | ['Csáki, C', 'Schmaltz, M', 'Skiba, W', 'Terning, J'] | ['Self-Dual N=1 SUSY Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'duality, transformation', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701191'] | ['We present a large set of new self-dual N=1 SUSY gauge theories. Examples include SU(N) theories with tensors and SO(N) theories with spinors. Using these dualities as starting points, new non-trivial duals can be derived by higgsing the gauge group or by integrating out matter. General lessons that can be learned fr... | ['1997-02-19'] |
11,775 | ['eng'] | ['Kalashnikova, Yu S', 'Nefediev, A V'] | ['1+1 string with quarks at the ends revisited'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 2', 'quark', 'dependence, gauge', 'light cone gauge', 'quantization', 'algebra, Poincare'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701193'] | ['The canonical description is presented for the string with pointlike masses at the ends in 1+1 dimensions in two different gauges: in the proper time gauge and in the light cone one. The classical canonical transformation is written out explicitly, which relates physical variables in both gauges, and equivalence of t... | ['1997-02-19'] |
11,776 | ['eng'] | ['Esposito, G', 'Pollifrone, G'] | ['Noncovariant Gauges in Simple Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dependence, gauge', 'ghost', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701176'] | ['A gauge-averaging functional of the axial type is studied for simple supergravity at one loop about flat Euclidean four-space bounded by a three-sphere, or two concentric three-spheres. This is a generalization of recent work on the axial gauge in quantum supergravity on manifolds with boundary. Ghost modes obey nonl... | ['1997-02-19'] |
11,777 | ['eng'] | ['de Wit, B'] | ['Supersymmetric quantum mechanics, supermembranes and Dirichlet particles'] | ['Particle Physics - Theory'] | ['talk, Buckow 1996/08/27', 'quantum mechanics', 'membrane model', 'supersymmetry', 'particle, multiplet', 'field theory, M-theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701169'] | ['We review models of supersymmetric quantum mechanics that are important in the description of supermembranes and of Dirichlet particles, which play a role in the context of M-theory.'] | ['1997-02-19'] |
11,778 | ['eng'] | ['Fayyazuddin, A', 'Smith, D J'] | ['P-brane solutions in IKKT IIB matrix theory'] | ['Particle Physics - Theory'] | ['string model', 'matrix model', 'membrane model, p-brane', 'central charge', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701168'] | ['We find p-brane solutions to the recently proposed IKKT IIB matrix theory for all odd p. We also propose central charges for the p-branes.'] | ['1997-02-19'] |
11,779 | ['eng'] | ['Bershadsky, M', 'Johansen, A', 'Pantev, T', 'Sadov, V'] | ['Four-Dimensional Compactifications of F-theory'] | ['Particle Physics - Theory'] | ['field theory, F-theory', 'moduli space', 'spontaneous compactification', 'duality, heterotic', 'fibre bundle', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701165'] | ['Branches of moduli space of F-theory in four dimensions are investigated. The transition between two branches is described as a 3-brane - instanton transition on a 7-brane. A dual heterotic picture of the transition is presented and the F-theory -- heterotic theory map is given. The F-theory data -- complex structure... | ['1997-02-19'] |
11,780 | ['eng'] | ['Aganagic, M', 'Park, J', 'Popescu, C C', 'Schwarz, J H'] | ['World-Volume Action of the M Theory Five-Brane'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'dimension, 11', 'field theory, action', 'supersymmetry', 'invariance, Poincare', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701166'] | ['This paper presents a 6d world-volume action that describes the dynamics of the M theory five-brane in a flat 11d space-time background. The world-volume action has global 11d super-Poincare invariance, as well as 6d general coordinate invariance and kappa symmetry, which are realized as local symmetries. The paper m... | ['2000-10-05'] |
11,781 | ['eng'] | ['Shurgaia, A V'] | ['Euclidean field theory and singular classical field configurations'] | ['Particle Physics - Theory'] | ['matrix model', 'central charge', 'nonperturbative', 'field theory, M-theory', 'field equations, solution', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701167'] | ['Euclidean field theory on 4-dimensional sphere is suggested for the study of high energy multiparticle production. The singular classical field configurations are found in scalar and SU(2)-gauge theories and the cross section of 2->n processes is calculated. It is shown,that the cross section has a maximum at the ene... | ['1997-02-19'] |
11,782 | ['eng'] | ['Slater, M J'] | ['One-Instanton Tests of the Exact Results in N=2 Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'quantum electrodynamics', 'supersymmetry', 'fermion, flavor', 'field theory, instanton', 'geometry, algebra', 'renormalization group', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701170'] | ['We use the microscopic instanton calculus to determine the one-instanton contribution to the quantum modulus u_3=<Tr(\\phi^3)> in N=2 SU(N_c) supersymmetric QCD with N_f<2N_c fundamental flavors. This is compared with the corresponding prediction of the hyperelliptic curves which are expected to give exact solutions ... | ['1997-02-19'] |
11,783 | ['eng'] | ['Bardakci, K', 'Bernardo, L M'] | ['String Field Equations from Generalized $\\sigma$ Model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'string model, field equations', 'renormalization group', 'perturbation theory, higher-order', 'tachyon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701171'] | ['We propose a new approach for deriving the string field equations from a general sigma model on the world sheet. This approach leads to an equation which combines some of the attractive features of both the renormalization group method and the covariant beta function treatment of the massless excitations. It has the ... | ['1997-02-19'] |
11,784 | ['eng'] | ['Lee, D S', 'Leung, C N', 'Ng, Y J'] | ['Chiral Symmetry Breaking in a Uniform External Magnetic Field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'symmetry, chiral', 'symmetry, dynamically broken', 'magnetic field, external field', 'Dyson-Schwinger equation, nonperturbative', 'finite temperature', 'Goldstone particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701172'] | ['Using the nonperturbative Schwinger-Dyson equation, we show that chiral symmetry is dynamically broken in QED at weak couplings when an external magnetic field is present, and that chiral symmetry is restored at temperatures above $T_c \\simeq \\alpha\\pi^2/\\sqrt{2 \\pi |eH|}$, where $\\alpha$ is the fine structure ... | ['1997-02-19'] |
11,785 | ['eng'] | ['Kar, S', 'Mahapatra, S'] | ['Planetoid strings'] | ['Particle Physics - Theory'] | ['string model', 'wormhole, Lorentz', 'space-time, Rindler', 'black hole', 'dimension, 3', 'quantization, quasiclassical', 'perturbation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701173'] | ["A novel ansatz for solving the string equations of motion and constraints in generic curved backgrounds, namely the ``planetoid ansatz'', was proposed recently by some authors. We construct several specific examples of planetoid strings in curved backgrounds which include Lorentzian wormholes, spherical Rindler space... | ['1997-02-19'] |
11,786 | ['eng'] | ['Mikhailov, A'] | ['Symmetries of BFKL Equation'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'scattering amplitude', 'Lipatov equation', 'spin, algebra', 'symmetry, SL(2)', 'Yang-Baxter equation, R-matrix', 'effective Hamiltonian', 'XXZ model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701174'] | ['We discuss the algebraic structure of the spin chains related to high energy scattering in QCD. We study the sl(2) Yangian symmetry and possible generalizations to nonzero spin and anisotropy parameter.'] | ['1997-02-19'] |
11,787 | ['eng'] | ['Kreuzer, M', 'Skarke, H'] | ['Calabi-Yau 4-folds and toric fibrations'] | ['Particle Physics - Theory'] | ['space-time, Calabi-Yau', 'differential geometry', 'geometry, algebra', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701175'] | ["We present a general scheme for identifying fibrations in the framework of toric geometry and provide a large list of weights for Calabi--Yau 4-folds. We find 914,164 weights with degree $d\\le150$ whose maximal Newton polyhedra are reflexive and 525,572 weights with degree $d\\le4000$ that give rise to weighted proj... | ['1997-02-19'] |
11,788 | ['eng'] | ['Amelino-Camelia, G'] | ['KPZ Formulas for Weyl-Invariant Induced Gravity and Topologically Massive Gravity'] | ['Particle Physics - Theory'] | ['talk, Santa Margherita Ligure 1996/09/17', 'gravitation, induced', 'mass, topological', 'anomaly', 'path integral, measure', 'invariance, diffeomorphism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701161'] | ['I discuss the applicability in Weyl-invariant induced gravity and topologically massive gravity of certain formulas originally derived by Knizhnik, Polyakov, and Zamolodchikov in the context of diffeomorphism-invariant induced gravity.'] | ['1997-01-29'] |
11,789 | ['eng'] | ['Ferrara, Sergio'] | ['Bertotti-Robinson Geometry and Supersymmetry'] | ['Particle Physics - Theory'] | ['talk, Rome 1996/09/23', 'space-time', 'supersymmetry, central charge', 'black hole', 'entropy', 'moduli space', 'supergravity', 'chaos'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701163'] | ['The role of Bertotti-Robinson geometry in the attractor mechanism of extremal black holes is described for the case of N = 2 supersymmetry. Its implication for a model-independent derivation of the Bekenstein-Hawking entropy formula is discussed.'] | ['1997-01-29'] |
11,790 | ['eng'] | ['Ryang, S'] | ['Thermal Action and Specific Heat of the Five-Dimensional Non-Extremal Black Hole'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 5', 'action, on-shell', 'entropy', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701153'] | ['We construct the Euclidean on-shell action for the five-dimensional non-extremal black hole with multiple electric charges. We show that this thermal action agrees with one half of the entropy. This agreement is argued to be related to the generalized Smarr formula of the five-dimensional black hole mass. Through the... | ['1997-01-29'] |
11,791 | ['eng'] | ['Rama, S K'] | ['Can String Theory Avoid Cosmological Singularities?'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'field equations, solution', 'astrophysics, model', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701154'] | ["We consider the effective action for strings and describe in detail the evolution of a four dimensional homogeneous isotropic universe with matter included. We find that the evolution, which is singular in general, becomes singularity free if during certain Phase of the evolution, when the scale factor increases and ... | ['1997-01-29'] |
11,792 | ['eng'] | ['Balog, J', 'Niedermaier, M R'] | ['A Scaling Hypothesis for the Spectral Densities in the O(3) Nonlinear $\\sigma$-Model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(3)', 'spectral representation, density', 'scaling', 'two-point function', 'perturbation theory', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701156'] | ["A scaling hypothesis for the n-particle spectral densities of the O(3) nonlinear sigma-model is described. It states that for large particle numbers the n-particle spectral densities are ``self-similar'' in being basically rescaled copies of a universal shape function. This can be viewed as a 2-dimensional, but non-p... | ['1997-01-29'] |
11,793 | ['eng'] | ['Manias, M V', 'Naón, C M', 'Trobo, M L'] | ['Path-integral fermion-boson decoupling at finite temperature'] | ['Particle Physics - Theory'] | ['bosonization', 'path integral', 'decoupling', 'finite temperature', 'Thirring model', 'Schwinger model', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701160'] | ['We show how to extend the standard functional approach to bosonisation, based on a decoupling change of path-integral variables, to the case in which a finite temperature is considered. As examples, in order to both illustrate and check the procedure, we derive the thermodynamical partition functions for the Thirring... | ['1997-01-29'] |
11,794 | ['eng'] | ['Deser, Stanley D'] | ['Black Hole Electromagnetic Duality'] | ['Particle Physics - Theory'] | ['talk, Merida 1996/10/30', 'gauge field theory, tensor', 'differential forms', 'duality, transformation', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701157'] | ['After defining the concept of duality in the context of general $n$-form abelian gauge fields in 2$n$ dimensions, we show by explicit example the difference between apparent but unrealizable duality transformations, namely those in $D=4k+2$, and those, in $D=4k$, that can be implemented by explicit dynamical generato... | ['1997-01-29'] |
11,795 | ['eng'] | ['Ketov, S V'] | ['The effective hyper-Kähler potential in the N=2 supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'fermion, flavor', 'effective potential, Kaehler', 'perturbation theory, higher-order', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701158'] | ['The effective low-energy hyper-K"ahler potential for a massive N=2 matter in the N=2 super-QCD is investigated. The N=2 extended supersymmetry severely restricts that N=2 matter self-couplings so that their exact form can be fixed by a few parameters, which is apparent in the N=2 harmonic superspace. In the N=2 QED w... | ['1997-01-29'] |
11,796 | ['eng'] | ['Land, M C'] | ['Particles and Events in Classical Off-Shell Electrodynamics'] | ['Particle Physics - Theory'] | ['electromagnetic interaction, classical', 'off-shell', 'potential, Coulomb', 'Maxwell equation, solution', 'potential, Yukawa', 'quantum mechanics', 'photon, mass spectrum', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701159'] | ["Despite the many successes of the relativistic quantum theory developed by Horwitz, et. al., certain difficulties persist in the associated covariant classical mechanics. In this paper, we explore these difficulties through an examination of the classical Coulomb problem in the framework of off-shell electrodynamics.... | ['1997-01-29'] |
11,797 | ['eng'] | ['Kim, N', 'Rey, S J'] | ['M(atrix) Theory on an Orbifold and Twisted Membrane'] | ['Particle Physics - Theory'] | ['matrix model', 'field theory, M-theory', 'field theory, orbifold', 'particle, multiplet', 'group theory, representation', 'membrane model', 'transformation, diffeomorphism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701139'] | ['M(atrix) theory on an orbifold and classical two-branes therein are studied with particular emphasis to heterotic M(atrix) theory on ${\\bf S}_1/ {\\bf Z}_2$ relevant to strongly coupled heterotic and dual Type IA string theories. By analyzing orbifold condition on Chan-Paton factors, we show that three choices of ga... | ['1997-01-28'] |
11,798 | ['eng'] | ['Frishman, Yitzhak', 'Sonnenschein, J'] | ['$QCD_{2}$-Screening, Confinement and Novel non-abelian Solutions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion, massless', 'dimension, 2', 'screening', 'confinement', 'quark, potential', 'fermion, representation', 'bosonization', 'current, external', 'tensor, energy-momentum', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701140'] | ['We analyze the question of screening versus confinement in bosonized massless QCD in two dimensions. We deduce the screening behavior of massless $SU(N_c)$ QCD with flavored fundamental fermions and fermions in the adjoint representation. This is done by computing the potential between external quarks as well as by b... | ['1997-01-28'] |
11,799 | ['eng'] | ['Metsaev, R R'] | ['Massless fields in plane wave geometry'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, massless', 'spin, dependence', 'algebra, conformal', 'algebra, U(2,2)', 'field equations', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701141'] | ['Conformal isometry algebras of plane wave geometry are studied. Then, based on the requirement of conformal invariance, a definition of masslessness is introduced and gauge invariant equations of motion, subsidiary conditions, and corresponding gauge transformations for all plane wave geometry massless spin fields ar... | ['1997-01-28'] |
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