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 |
|---|---|---|---|---|---|---|---|---|
15,600 | ['eng'] | ['Akhmedov, E T', 'Polikarpov, M I', 'Zubkov, M A'] | ['Quantum theory of strings in abelian Higgs model'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'partition function', 'flux, magnetic', 'magnetic, flux', 'vortex', 'string model', 'Aharonov-Bohm effect', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505070'] | ['Starting from the Abelian Higgs field theory, we construct the theory of quantum Abrikosov--Nielsen--Olesen strings. It is shown that in four space -- time dimensions in the limit of infinitely thin strings, the conformal anomaly is absent, and the quantum theory exists. We also study an analogue of the Aharonov--Boh... | ['1995-05-15'] |
15,601 | ['eng'] | ['Elser, S', 'Pauli, H C', 'Kalloniatis, A C'] | ['Discretized light-cone quantization'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 2', 'lattice field theory', 'quantization, light cone', 'Hamiltonian formalism', 'bound state', 'programming', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505069'] | ['We describe the programming method for generating the spectrum of bound states for relativistic quantum field theories using the nonperturbative Hamiltonian approach of Discretized Light-Cone Quantization. The method is intended for eventual application to quantum chromodynamics in 3+1 dimensions. Here the fundamenta... | ['1995-05-15'] |
15,602 | ['eng'] | ['Grisaru, Marc T', 'Wehlau, M E'] | ['2,2 supergravity in the light-cone gauge'] | ['Particle Physics - Theory'] | ['supergravity, induced', 'dimension, 2', 'supersymmetry, superfield', 'supersymmetry, transformation', 'light cone gauge', 'constraint, solution', 'transformation, gauge', 'Ward identity', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505068'] | ['Starting with the prepotential description of two-dimensional (2,2) supergravity we use local supersymmetry transformations to go to light-cone gauge. We discuss properties of the theory in this gauge and derive Ward identities for correlation functions defined with respect to the induced supergravity action.'] | ['1995-05-12'] |
15,603 | ['eng'] | ['Berkooz, M'] | ['The dual of supersymmetric SU(2k) with an antisymmetric tensor and composite dualities'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'duality, transformation', 'field theory, tensor', 'operator, chiral', 'mass, perturbation', 'perturbation, mass', 'potential, flat direction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505067'] | ['We suggest a dual to an SU(2k) Susy gauge theory containing an antisymmetric tensor, \\nf fundamentals and \\nfb anti-fundamentals. This is done by expanding the theory into an equivalent description with two gauge groups and then performing known duality tranformations on each gauge group separately. Chiral operator... | ['1995-05-12'] |
15,604 | ['eng'] | ['Elizalde, E', 'Leseduarte, S', 'Odintsov, S D'] | ['Phase structure of renormalizable four-fermion models in spacetimes of constant curvature'] | ['Particle Physics - Theory'] | ['four-fermion interaction', 'dimension, 2', 'dimension, 3', 'expansion 1/N', 'gravitation', 'spinor, heat kernel', 'heat kernel, spinor', 'propagator', 'effective potential', 'renormalization', 'asymptotic expansion', 'symmetry, U(2)', 'symmetry, discrete', 'symmetry, dynamically broken', 'symmetry, chiral', 'coupling... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505065'] | ['A number of 2d and 3d four-fermion models which are renormalizable ---in the 1/N expansion--- in a maximally symmetric constant curvature space, are investigated. To this purpose, a powerful method for the exact study of spinor heat kernels and propagators on maximally symmetric spaces is reviewed. The renormalized e... | ['1995-05-12'] |
15,605 | ['eng'] | ['Nesterenko, V V', 'Feoli, A', 'Scarpetta, G'] | ['Complete integrability for lagrangian dependent on acceleration in a space-time of constant curvature'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'particle, relativistic', 'space-time', 'acceleration', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505064'] | ['The equations of motion for a Lagrangian {\\cal L}(k_1), depending on the curvature k_1 of the particle worldline, embedded in a space--time of constant curvature, are considered and reformulated in terms of the principal curvatures. It is shown that for arbitrary Lagrangian function {\\cal L}(k_1) the general soluti... | ['1995-05-12'] |
15,606 | ['eng'] | ['Kerschner, R'] | ['On quantum field theories with finitely many degrees of freedom'] | ['Particle Physics - Theory'] | ['phase space, Fock space', 'dimension, finite', 'operator, algebra', 'algebra, deformation', 'thermodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505063'] | ['The existence of inequivalent representations in quantum field theory with {\\it finitely} many degrees of freedom is shown. Their properties are exemplified and analysed for concrete and simple models. In particular the relations to Bogoliubov--Valatin quasi-particles, to thermo field dynamics, and to q--deformed qu... | ['1995-05-12'] |
15,607 | ['eng'] | ['Kirsten, K', 'Toms, David J'] | ['Simple criterion for the occurrence of Bose-Einstein condensation'] | ['Particle Physics - Theory'] | ['boson, condensation', 'relativistic', 'nonrelativistic', 'effective action', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9508055'] | ['We examine the occurrence of Bose-Einstein condensation in both nonrelativistic and relativistic systems with no self-interactions in a general setting. A simple condition for the occurrence of Bose-Einstein condensation can be given if we adopt generalized \\zeta-functions to define the quantum theory. We show that ... | ['1995-08-14'] |
15,608 | ['eng'] | ['Inagaki, T', 'Mukaigawa, S', 'Muta, T'] | ['A soluble model of four-fermion interactions in de Sitter space'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'four-fermion interaction', 'fermion, flavor', 'fermion, mass generation', 'mass generation, fermion', 'effective potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505058'] | ['We consider the theory of four-fermion interactions with N-component fermions in de Sitter space. It is found that the effective potential for a composite operator in the theory is calculable in the leading order of the 1/N expansion. The resulting effective potential is analyzed by varying both the four-fermion coup... | ['1995-05-11'] |
15,609 | ['eng'] | ['Jinzenji, M'] | ['Construction of free energy of Calabi-Yau manifold embedded in CP$^{N-1}$ via torus actions'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'field theoretical model, CP(N-1)', 'field theory, topological', 'field theory, action', 'path integral', 'gravitation', 'energy', 'correlation function', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505057'] | ['We calculate correlation functions of topological sigma model (A-model) on Calabi-Yau hypersurfaces in CP^{N-1} using torus action method. We also obtain path-integral represention of free energy of the theory coupled to gravity.'] | ['1995-05-11'] |
15,610 | ['eng'] | ['Zucchini, R'] | ['Extrinsic hermitian geometry of functional determinants for vector subbundles and the Drinfeld-Sokolov ghost system'] | ['Particle Physics - Theory'] | ['ghost', 'effective action', 'differential forms', 'operator, determinant', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505056'] | ['In this paper, a novel method is presented for the study of the dependence of the functional determinant of the Laplace operator associated to a subbundle F of a hermitian holomorphic vector bundle E over a Riemann surface \\Sigma on the hermitian structure (h,H) of E. The generalized Weyl anomaly of the effective ac... | ['1995-05-11'] |
15,611 | ['eng'] | ['Guido, D', 'Longo, R'] | ['The conformal spin and statistics theorem'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'axiomatic field theory', 'spin, statistics', 'statistics, spin', 'superselection rule', 'operator, algebra', 'algebra, von Neumann'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505059'] | ['We prove the equality between the statistics phase and the conformal univalence for a superselection sector with finite index in Conformal Quantum Field Theory on S^1. A relevant point is the description of the PCT symmetry and the construction of the global conjugate charge.'] | ['1995-05-11'] |
15,612 | ['eng'] | ['Argyres, Philip C', 'Douglas, M R'] | ['New phenomena in SU(3) supersymmetric gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'supersymmetry', 'vacuum state', 'moduli space', 'field theory, dyon', 'effective action', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505062'] | ['We show that four-dimensional N=2 supersymmetric SU(n) gauge theory for n>2 necessarily contains vacua with mutually non-local massless dyons, using only analyticity of the effective action and the weak coupling limit of the moduli space of vacua. A specific example is the Z_3 point in the exact solution for SU(3), a... | ['1995-05-11'] |
15,613 | ['eng'] | ['Chaudhuri, S', 'Hockney, G M', 'Lykken, J D'] | ['Maximally supersymmetric string theories in D < 10'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, <10', 'spontaneous compactification, torus', 'particle, multiplet', 'multiplet, particle', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505054'] | ['The existence of maximally supersymmetric solutions to heterotic string theory that are not toroidal compactifications of the ten-dimensional superstring is established. We construct an exact fermionic realization of an N=1 supersymmetric string theory in D=8 with non-simply-laced gauge group Sp(20). Toroidal compact... | ['1995-05-10'] |
15,614 | ['eng'] | ['Vafa, C', 'Witten, Edward'] | ['A one-loop test of string duality'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 6', 'duality', 'sigma model, nonlinear', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505053'] | ['We test type IIA-heterotic string duality in six dimensions by showing that the sigma model anomaly of the heterotic string is generated by a combination of a tree level and a string one-loop correction on the type IIA side.'] | ['1995-05-10'] |
15,615 | ['eng'] | ['Tseytlin, Arkady A'] | ['Exact solutions of closed string theory'] | ['Particle Physics - Theory'] | ['string model, closed', 'string model, solution', 'field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505052'] | ["We review explicitly known exact D=4 solutions with Minkowski signature in closed bosonic string theory. Classical string solutions with space-time interpretation are represented by conformal sigma models. Two large (intersecting) classes of solutions are described by gauged WZW models and `chiral null models' (model... | ['1995-05-10'] |
15,616 | ['eng'] | ['Alexandrov, M D'] | ['Action functionals for strings in four dimensions'] | ['Particle Physics - Theory'] | ['string model', 'field theory, action', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505050'] | ['All possible action functionals on the space of surfaces in {\\bf R}^4 that depend only on first and second derivatives of the functions, entering the equation of the surface, and satisfy the condition of invariance with respect to rigid motions are described.'] | ['1995-05-10'] |
15,617 | ['eng'] | ['Intriligator, K'] | ['New RG fixed points and duality in supersymmetric SP(N$_{c}$) and SO(N$_{c}$) gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'supersymmetry', 'field theory, magnetic monopole', 'duality', 'renormalization group', 'potential, flat direction', 'flat direction, deformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505051'] | ['We present evidence for new, non-trivial RG fixed points with dual magnetic descriptions in N=1 supersymmetric SP(N_c) and SO(N_c) gauge theories. The SP(N_c) case involves matter X in the antisymmetric tensor representation and N_f flavors of quarks Q in the fundamental representation. The SO(N_c) case involves matt... | ['1995-05-10'] |
15,618 | ['eng'] | ['Schaposnik, F A'] | ['A comment on bosonization in d $\\geq$ 2 dimensions'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'dimension, >=2', 'symmetry, U(N)', 'bosonization', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505049'] | ['We discuss recent results on bosonization in d \\geq 2 space-time dimensions by giving a very simple derivation for the bosonic representation of the original free fermionic model both in the abelian and non-abelian cases. We carefully analyse the issue of symmetries in the resulting bosonic model as well as the reci... | ['1995-05-10'] |
15,619 | ['eng'] | ['Cea, P', 'Consoli, M', 'Cosmai, L', 'Fiore, R'] | ['Lattice effective potential of massless ($\\lambda\\phi^{4}$)$_{4}$ : "triviality" and spontaneous symmetry breaking'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'field theory, massless', 'massless, field theory', 'lattice field theory', 'effective potential', 'triviality', 'symmetry, spontaneously broken', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505048'] | ["We present a precise lattice computation of the slope of the effective potential for massless (\\lambda\\Phi^4)_4 theory in the region of bare parameters indicated by the Brahm's analysis of lattice data. Our results confirm the existence on the lattice of a remarkable phase of (\\lambda\\Phi^4)_4 where Spontaneous S... | ['1995-05-10'] |
15,620 | ['eng'] | ['Gervais, Jean-Loup', 'Saveliev, M V'] | ['Higher grading generalisations of the Toda systems'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'dimension, 2', 'differential forms', 'effective action', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505047'] | ['Integrable generalisations of the Toda systems are obtained, which are generated by flat connection-forms taking values in subspaces of a simple Lie algebra with an extended Z-grading spectrum larger than the usual values plus/minus one, and zero. One may think of our systems as describing some new fields of the matt... | ['1995-05-10'] |
15,621 | ['eng'] | ['Ivanova, T A', 'Popov, A D'] | ['Some new integrable equations from the self-dual Yang-Mills equations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field equations, solution', 'duality', 'integrability', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9508129'] | ['Using the symmetry reductions of the self-dual Yang-Mills (SDYM) equations in (2+2) dimensions, we introduce new integrable equations which are nonautonomous versions of the chiral model in (2+1) dimensions, generalized nonlinear Schrodinger, Korteweg-de Vries, Toda lattice, Garnier and Euler-Arnold equations. The La... | ['1995-08-25'] |
15,622 | ['eng'] | ['Dienes, K R', 'Faraggi, A E'] | ['Gauge coupling unification in realistic free-fermionic string models'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'grand unified theory', 'particle, multiplet', 'multiplet, particle', 'coupling constant', 'perturbation theory, higher-order', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505046'] | ['We discuss the unification of gauge couplings within the framework of a wide class of realistic free-fermionic string models which have appeared in the literature, including the flipped SU(5), SO(6)xSO(4), and various SU(3)xSU(2)xU(1) models. If the matter spectrum below the string scale is that of the minimal supers... | ['1995-05-09'] |
15,623 | ['eng'] | ['Damgaard, P H', 'De Jonghe, F', 'Sollacher, R'] | ['BRST gauge fixing and regularization'] | ['Particle Physics - Theory'] | ['gauge field theory', 'fermion', 'transformation, Becchi-Rouet-Stora', 'path integral', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505040'] | ['In the presence of consistent regulators, the standard procedure of BRST gauge fixing (or moving from one gauge to another) can require non-trivial modifications. These modifications occur at the quantum level, and gauges exist which are only well-defined when quantum mechanical modifications are correctly taken into... | ['1995-05-09'] |
15,624 | ['eng'] | ['Brunelli, J C', 'Das, A'] | ['Bi-hamiltonian structure of the supersymmetric nonlinear Schrödinger equation'] | ['Particle Physics - Theory'] | ['Schroedinger equation, nonlinear', 'supersymmetry', 'Hamiltonian formalism', 'integrability', 'Korteweg-de Vries equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505041'] | ['We show that the supersymmetric nonlinear Schr\\"odinger equation is a bi-Hamiltonian integrable system. We obtain the two Hamiltonian structures of the theory from the ones of the supersymmetric two boson hierarchy through a field redefinition. We also show how the two Hamiltonian structures of the supersymmetric Kd... | ['1995-05-09'] |
15,625 | ['eng'] | ['Bagchi, B', 'Biswas, S', 'Khare, A', 'Roy, P'] | ['Truncated harmonic osillator and parasupersymmetric quantum mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry, algebra', 'model, oscillator', 'statistics, parastatistics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505042'] | ['We discuss in detail the parasupersymmetric quantum mechanics of arbitrary order where the parasupersymmetry is between the normal bosons and those corresponding to the truncated harmonic oscillator. We show that even though the parasusy algebra is different from that of the usual parasusy quantum mechanics, still th... | ['1995-05-09'] |
15,626 | ['eng'] | ['Khare, A'] | ['Chern-Simons term and charged vortices in abelian and nonabelian gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, SU(2)', 'dimension, 3', 'Chern-Simons term', 'field equations, vortex', 'vortex, interaction', 'interaction, vortex', 'duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505043'] | ['In this article we review some of the recent advances regarding the charged vortex solutions in abelian and nonabelian gauge theories with Chern-Simons (CS) term in two space dimensions. Since these nontrivial results are essentially because of the CS term, hence, we first discuss in some detail the various propertie... | ['1995-05-09'] |
15,627 | ['eng'] | ['Dvoeglazov, V V', 'De Zacatecas, A'] | ['Interactions of a j=1 boson in the 2(2j+1) component theory'] | ['Particle Physics - Theory'] | ['boson boson, interaction', 'interaction, boson boson', 'fermion boson, interaction', 'interaction, fermion boson', 'scattering amplitude', 'perturbation theory, higher-order', 'spin', 'potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505044'] | ["The amplitudes for boson-boson and fermion-boson interactions are calculated in the second order of perturbation theory in the Lobachevsky space. An essential ingredient of the used model is the Weinberg's 2(2j+1) component formalism for describing a particle of spin j, recently developed substantially. The boson-bos... | ['1995-05-09'] |
15,628 | ['eng'] | ['Cvetic, M', 'Youm, D'] | ['Four-dimensional supersymmetric dyonic black holes in eleven-dimensional supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'Kaluza-Klein model', 'field equations, solution', 'black hole', 'field theory, dyon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505045'] | ['A class of 4-dimensional supersymmetric dyonic black hole solutions that arise in an effective 11-dimensional supergravity compactified on a 7-torus is presented. We give the explicit form of dyonic solutions with diagonal internal metric, associated with the Kaluza-Klein sector as well as the three-form field, and r... | ['1995-05-09'] |
15,629 | ['eng'] | ['Rasheed, D'] | ['The rotating dyonic black holes of Kaluza-Klein theory'] | ['Particle Physics - Theory'] | ['Kaluza-Klein model', 'dimension, 5', 'field equations, solution', 'black hole', 'charge, electric', 'charge, magnetic', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505038'] | ['The most general electrically and magnetically charged rotating black hole solutions of 5 dimensional \\KK\\ theory are given in an explicit form. Various classical quantities associated with the black holes are derived. In particular, one finds the very surprising result that the gyromagnetic and gyroelectric ratios... | ['1995-05-08'] |
15,630 | ['eng'] | ['Kamata, M', 'Koikawa, T'] | ['The electrically charged BTZ black hole with self (anti-self) dual Maxwell field'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation, solution', 'astrophysics, fundamental constant', 'dimension, 3', 'duality', 'black hole, mass', 'mass, black hole', 'charge, electric', 'black hole, angular momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505037'] | ['The Einstein-Maxwell equations with a negative cosmological constant in 2+1 spacetime dimensions discussed by Banados, Teitelboim and Zanelli are solved by assuming a self(anti-self)dual equation. The solution describes an electrically charged extreme black hole with an angular momentum.'] | ['1995-05-08'] |
15,631 | ['eng'] | ['Song, D Y'] | ['Phase transition by curvature in three dimensional O(N) sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 3', 'space-time, S(2) x R(1)', 'effective potential', 'coupling, conformal', 'conformal, coupling', 'mass generation', 'critical phenomena', 'field theory, strong coupling', 'strong coupling, field theory', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505036'] | ['Using the effective potential, the large-N nonlinear O(N) sigma model with the curvature coupled term is studied on S^2\\times R^1. We show that, for conformally coupled case, the dynamical mass generation of the model in strong-coupled regime on R^3 takes place for any finite scalar curvature (or radius of the S^2).... | ['1995-05-08'] |
15,632 | ['eng'] | ['Gorsky, A S', 'Krichever, I M', 'Marshakov, A V', 'Mironov, A E', 'Morozov, A'] | ['Integrability and Seiberg-Witten exact solution'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'integrability', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505035'] | ['The exact Seiberg-Witten (SW) description of the light sector in the N=2 SUSY 4d Yang-Mills theory is reformulated in terms of integrable systems and appears to be a Gurevich-Pitaevsky (GP) solution to the elliptic Whitham equations. We consider this as an implication that dynamical mechanism behind the SW solution i... | ['1995-05-08'] |
15,633 | ['eng'] | ['Gates, S J', 'Soloviev, O A'] | ['On continuous conformal deformation of the SL(2)$_{4}$|U(1) coset'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'quantization, constraint', 'operator, Becchi-Rouet-Stora', 'coset space, SL(2)/U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505034'] | ["We Describe a one-parameter family of c=1 CFT's as a continuous conformal deformation of the SL(2)_4/U(1) coset."] | ['1995-05-08'] |
15,634 | ['eng'] | ['Alimohammadi, M', 'Ardalan, Farhad'] | ['2-D gravity as a limit of the SL(2,R) black hole'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'symmetry, SL(2,R)/U(1)', 'black hole', 'postulated particle, tachyon', 'operator, vertex', 'field theory, conformal', 'coupling, gravitation', 'gravitation, coupling', 'Wess-Zumino-Witten model', 'field theory, Liouville'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505033'] | ['The transformation of the SL(2,R)/U(1) black hole under a boost of the subgroup U(1) is studied. It is found that the tachyon vertex operators of the black hole go into those of the c=1 conformal field theory coupled to gravity. The discrete states of the black hole also tend to the discrete states of the 2-d gravity... | ['1995-05-08'] |
15,635 | ['eng'] | ['Howe, Paul S', 'Izquierdo, J M', 'Papadopoulos, G J', 'Townsend, P K'] | ['New supergravities with central charges and Killing spinors in 2+1 dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 3', 'field theory, action', 'supersymmetry, algebra', 'central charge', 'group theory, Poincare'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505032'] | ["We construct a new class of (p,q)-extended Poincar\\'e supergravity theories in 2+1 dimensions as Chern-Simons theories of supersymmetry algebras with both central and automorphism charges. The new theories have the advantage that they are limits of corresponding (p,q) adS supergravity theories and, for not too large... | ['1995-05-08'] |
15,636 | ['eng'] | ['Martin, C'] | ['Variational approximation for two-time correlation functions in $\\phi^{4}$ theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'correlation function', 'time dependence', 'mathematical methods, variational'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505031'] | ["We apply the time-dependent variational principle of Balian and V\\'en\\'eroni to the \\Phi^4 theory. An appropriate parametrization for the variational objects allows us to write coupled dynamical equations from which we derive approximations for the two-time correlation functions involving two, three or four field ... | ['1995-05-08'] |
15,637 | ['eng'] | ['Elizalde, E', 'Fosalba-Vela, P', 'Naftulin, S', 'Odintsov, S D'] | ['On black holes in the theory of dilatonic gravity coupled to a scalar field'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, dilaton', 'field theory, scalar', 'renormalization', 'black hole, horizon', 'temperature', 'effective action', 'gauge, conformal', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505030'] | ['Taking advantage of the representation of dilatonic gravity with the Rb2-term under the form of low-derivative dilatonic gravity coupled to an additional scalar, we construct a general renormalizable model motivated by this theory.Exact black hole solutions are found for some special versions of the model, and their ... | ['1995-05-08'] |
15,638 | ['eng'] | ['De Vega, H J', 'Egusquiza, I L'] | ['Multistring solutions in inflationary spacetimes'] | ['Particle Physics - Theory'] | ['inflationary universe', 'string model', 'field equations, solution', 'space-time, de Sitter', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505029'] | ['Multistring solutions of the string equations of motion are found for inflationary spacetimes with expansion factor R(\\eta)\\propto \\eta^k for any k<0 and \\eta conformal time. If 0>k>-1 only two-string solutions can be found within our ansatz, whereas for k=-1-1/n, with n=1,2,\\ldots, multistring solutions exist w... | ['1995-05-05'] |
15,639 | ['eng'] | ['Teotônio-Sobrinho, P'] | ['Self-intersection numbers and random surfaces on the lattice'] | ['Particle Physics - Theory'] | ['string model', 'renormalization', 'lattice field theory', 'random surface', 'string tension, scaling', 'continuum limit', 'cohomology', 'model, discrete'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505028'] | ['String theory in 4 dimensions has the unique feature that a topological term, the oriented self-intersection number, can be added to the usual action. It has been suggested that the corresponding theory of random surfaces wold be free from the problem encountered in the scaling of the string tension. Unfortunately, i... | ['1995-05-05'] |
15,640 | ['eng'] | ['Cattaneo, A S', 'Cotta-Ramusino, P', 'Fröhlich, J', 'Martellini, M'] | ['Topological BF theories in 3 and 4 dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, BF', 'Chern-Simons term', 'field theory, topological', 'dimension, 3', 'dimension, 4', 'partition function', 'knot theory', 'dependence, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505027'] | ['In this paper we discuss topological BF theories in 3 and 4 dimensions. Observables are associated to ordinary knots and links (in 3 dimensions) and to 2-knots (in 4 dimensions). The vacuum expectation values of such observables give a wide range of invariants. Here we consider mainly the 3-dimensional case, where th... | ['1995-05-05'] |
15,641 | ['eng'] | ['Au, G', 'Spence, B'] | ['Hamiltonian reduction and supersymmetric Toda models'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'supersymmetry, superfield', 'dimension, 2', 'Hamiltonian formalism', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505026'] | ['New formulations of the solutions of N=1 and N=2 super Toda field theory are introduced, using Hamiltonian Reduction of the N=1 and N=2 super WZNW Models to the super Toda Models. These parameterisations are then used to present the Hamiltonian formulations of the super Toda theories on the spaces of solutions.'] | ['1995-05-04'] |
15,642 | ['eng'] | ['Aspinwall, Paul S', 'Morrison, Douglas Robert Ogston'] | ['U-duality and integral structures'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, Kaehler', 'duality, transformation', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505025'] | ['We analyze the U-duality group for the case of a type II superstring compactified to four dimensions on a K3 surface times a torus. The various limits of this theory are considered which have interpretations as type IIA and IIB superstrings, the heterotic string, and eleven-dimensional supergravity, allowing all thes... | ['1995-05-04'] |
15,643 | ['eng'] | ['Vafa, C'] | ['A stringy test of the fate of the conifold'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'field theory, Calabi-Yau', 'effective action', 'field theory, soliton', 'black hole', 'particle, multiplet', 'multiplet, particle', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505023'] | ['By studying string loop corrections to superpotential of type II strings compactified on Calabi-Yau threefolds we find a quantum stringy test and a confirmation of a recent proposal of Strominger on the fate of the conifold singularity. We also propose a connection between the spectrum of Bogomolnyi saturated soliton... | ['1995-05-04'] |
15,644 | ['eng'] | ['Tateo, R'] | ['New functional dilogarithm identities and sine-Gordon Y-systems'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'field theory, soliton', 'S-matrix', 'renormalization group, transformation', 'duality, transformation', 'group theory, representation', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505022'] | ['The sine-Gordon Y-systems and those of the minimal M_{p,q}+\\phi_{13} models are determined in a compact form and a correspondence between the rational numbers and a new infinite family of multi-parameter functional equations for the Rogers dilogarithm is pointed out. The relation between the TBA-duality and the mass... | ['1995-05-04'] |
15,645 | ['eng'] | ['Yi, P'] | ['Quantum stability of accelerated black holes'] | ['Particle Physics - Theory'] | ['black hole, acceleration', 'stability', 'geometry', 'tensor, energy-momentum', 'space-time', 'Bogolyubov transformation', 'radiation, Hawking', 'WKB approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505021'] | ['We study quantum aspects of the accelerated black holes in some detail. Explicitly shown is the fact that a uniform acceleration stabilizes certain charged black holes against the well-known thermal evaporation. Furthermore, a close inspection of the geometry reveals that this is possible only for near-extremal black... | ['1995-05-04'] |
15,646 | ['eng'] | ['Dienes, K R', 'Faraggi, A E'] | ['Making ends meet'] | ['Particle Physics - Theory'] | ['unified field theory', 'string model', 'threshold, correction', 'supersymmetry, threshold', 'gauge field theory, SU(3) x SU(2) x U(1)', 'gauge field theory, SU(5) x U(1)', 'gauge field theory, SO(6) x SO(4)', 'coupling, gauge', 'gauge, coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505018'] | ['A long-standing problem in string phenomenology has been the fact that the string unification scale disagrees with the GUT scale obtained by extrapolating low-energy data within the framework of the minimal supersymmetric standard model (MSSM). In this paper we examine several effects that may modify the minimal stri... | ['1995-05-04'] |
15,647 | ['eng'] | ['Van der Sijs, A J'] | ['Some views on monopoles and confinement'] | ['Particle Physics - Theory'] | ['talk', 'gauge field theory, SU(2)', 'Higgs model', 'field equations, monopole', 'monopole, condensation', 'confinement', 'model, superconducting', 'superconducting, model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505019'] | ["Aspects of the monopole condensation picture of confinement are discussed. First, the nature of the monopole singularities in the abelian projection approach is analysed. Their apparent gauge dependence is shown to have a natural interpretation in terms of 't~Hooft-Polyakov-like monopoles in euclidean SU(2) gauge the... | ['1995-05-04'] |
15,648 | ['eng'] | ['Park, Q H', 'Shin, H J'] | ['Classical matrix sine-Gordon theory'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'matrix model', 'coset space, SU(2) x SU(2)/SU(2)', 'field equations, soliton', 'current, conservation law', 'Baecklund transformation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505017'] | ['The matrix sine-Gordon theory, a matrix generalization of the well-known sine-Gordon theory, is studied. In particular, the A_{3}-generalization where fields take value in SU(2) describes integrable deformations of conformal field theory corresponding to the coset SU(2) \\times SU(2) /SU(2). Various classical aspects... | ['1995-05-03'] |
15,649 | ['eng'] | ['Nersessian, A P', 'Damgaard, P H'] | ['Comments on the covariant Sp(2)-symmetric lagrangian BRST formalism'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'constraint', 'transformation, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505009'] | ['We give a simple geometrical picture of the basic structures of the covariant Sp(2) symmetric quantization formalism -- triplectic quantization -- recently suggested by Batalin, Marnelius and Semikhatov. In particular, we show that the appearance of an even Poisson bracket is not a particular property of triplectic q... | ['1995-05-03'] |
15,650 | ['eng'] | ['Muniain, J P', 'Piriz, D D'] | ['Anomalous commutators for energy-momentum tensors'] | ['Particle Physics - Theory'] | ['anomaly, chiral', 'commutation relations', 'tensor, energy-momentum', 'two-point function', 'operator product expansion', 'regularization', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505010'] | ['Anomalous contributions to the energy-momentum commutators are calculated for even dimensions, by using a non-perturbative approach that combines operator product expansion and Bjorken-Johnson-Low limit techniques. We first study the two dimensional case and give the covariant expression for the commutators. The expr... | ['1995-05-03'] |
15,651 | ['eng'] | ['Alekseev, A Yu', 'Schaller, P', 'Strobl, T'] | ['The topological G/G WZW model in the generalized momentum representation'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'gauge field theory', 'coset space', 'field theory, topological', 'quantum group', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505012'] | ['We consider the topological gauged WZW model in the generalized momentum representation. The chiral field g is interpreted as a counterpart of the electric field E of conventional gauge theories. The gauge dependence of wave functionals \\Psi(g) is governed by a new gauge cocycle \\phi_{GWZW}. We evaluate this cocycl... | ['1995-05-03'] |
15,652 | ['eng'] | ['Burgess, M'] | ['Chern-Simons vortices in an open system'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 3', 'Chern-Simons term', 'invariance, gauge', 'quantization, constraint', 'Hamiltonian formalism', 'Hall effect', 'field theory, vortex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505013'] | ['A gauge invariant quantum field theory with a spacetime dependent Chern-Simons coefficient is studied. Using a constraint formalism together with the Schwinger action principle it is shown that non-zero gradients in the coefficient induce magnetic-moment corrections to the Hall current and transform vortex singularit... | ['1995-05-03'] |
15,653 | ['eng'] | ['Braga, N R F', 'De Souza, S M'] | ['A superspace formulation for the Batalin Vilkovisky formalism with extended BRST invariance'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'supersymmetry, superspace', 'gauge field theory, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505014'] | ['A superspace formulation for the Batalin Vilkovisky formalism (also called field-antifield quantization ) with extended BRST invariance (BRST and anti-BRST invariance ) for gauge theories with closed algebra is presented. In contrast to a recent formulation, where only BRST invariance holds off shell, two collective ... | ['1995-05-03'] |
15,654 | ['eng'] | ['Pfister, W'] | ['Mixed symmetry solutions of generalized three-particle Bargmann-Wigner equations in the strong-coupling limit'] | ['Particle Physics - Theory'] | ['bound state, (3fermion)', 'field equations, nonlinear', 'spinor', 'expansion, strong coupling', 'strong coupling, expansion', 'isospin', 'group theory, representation', 'fermion, mass', 'mass, fermion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505015'] | ['Starting from a nonlinear isospinor-spinor field equation, generalized three-particle Bargmann-Wigner equations are derived. In the strong-coupling limit, a special class of spin 1/2 bound-states are calculated. These solutions which are antisymmetric with respect to all indices, have mixed symmetries in isospin-supe... | ['1995-05-03'] |
15,655 | ['eng'] | ['Fosco, C D', 'Randjbar-Daemi, S'] | ['Determinant of twisted chiral Dirac operator on the lattice'] | ['Particle Physics - Theory'] | ['lattice field theory', 'fermion, determinant', 'symmetry, chiral', 'boundary condition', 'string model', 'continuum limit', 'operator, Dirac', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505016'] | ['Using the overlap formulation, we calculate the fermionic determinant on the lattice for chiral fermions with twisted boundary conditions in two dimensions. When the lattice spacing tends to zero we recover the results of the usual string-theory continuum calculations.'] | ['1995-05-03'] |
15,656 | ['eng'] | ['Kutasov, D', 'Schwimmer, A'] | ['On duality in supersymmetric Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'potential', 'duality, transformation', 'infrared problem', 'field theory, deformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505004'] | ['We discuss non-abelian SU(N_c) gauge theory coupled to an adjoint chiral superfield X, and a number of fundamental chiral superfields Q^i. Using duality, we show that turning on a superpotential W(X)=\\Tr\\sum_{l=1}^k g_l X^{l+1} leads to non-trivial long distance dynamics, a large number of multicritical IR fixed po... | ['1995-05-02'] |
15,657 | ['eng'] | ['Kovács, T G', 'Tomboulis, E T', 'Schram, Z'] | ['Topology on the lattice; 2d Yang-Mills theories with a $\\vartheta$ term'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'gauge field theory, SU(N)', 'dimension, 2', 'lattice field theory, Theta parameter', 'topology', 'continuum limit', 'heat kernel', 'critical phenomena', 'fermion, gas', 'magnetic field, external field', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505005'] | ['We study two-dimensional U(N) and SU(N) gauge theories with a topological term on arbitrary surfaces. Starting from a lattice formulation we derive the continuum limit of the action which turns out to be a generalisation of the heat kernel in the presence of a topological term. In the continuum limit we can reconstru... | ['1995-05-02'] |
15,658 | ['eng'] | ['Intriligator, K', 'Pouliot, P'] | ['Exact superpotentials, quantum vacua and duality in supersymmetric SP(N$_{c}$) gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Sp(N)', 'supersymmetry', 'potential', 'fermion, flavor', 'vacuum state', 'moduli space', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505006'] | ['We study N=1 supersymmetric SP(N_c) gauge theories with N_f flavors of quarks in the fundamental representation. Depending on N_f and N_c, we find exact, dynamically generated superpotentials, smooth quantum moduli spaces of vacua, quantum moduli spaces of vacua with additional massless composites at strong coupling,... | ['1995-05-02'] |
15,659 | ['eng'] | ['Kuchiev, M Yu'] | ['Interaction of instantons in a gauge theory forcing their identical orientation'] | ['Particle Physics - Theory'] | ['gauge field theory, instanton', 'instanton, interaction', 'interaction, instanton', 'effective action', 'fermion', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505001'] | ['A gauge theory model in which there exists a specific interaction between instantons is considered. An effective action describing this interaction possesses a minimum when the instantons have identical orientation. The considered interaction might provide a phase transition into the state where instantons have a pre... | ['1995-05-02'] |
15,660 | ['eng'] | ['Milton, K A'] | ['Non-abelian finite-element gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'lattice field theory', 'invariance, gauge', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505002'] | ['We complete the formulation of the equations of motion of a non-Abelian gauge field coupled to fermions on a finite-element lattice in four space-time dimensions. This is accomplished by a straightforward iterative approach, in which successive interaction terms are added to the Dirac and Yang-Mills equations of moti... | ['1995-05-02'] |
15,661 | ['eng'] | ['Morris, T R'] | ['Two phases for compact U(1) pure gauge theory in three dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'lattice field theory, compact', 'dimension, 3', 'field theory, Euclidean', 'path integral', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9505003'] | ["We show that if actions more general than the usual simple plaquette action (\\sim F_{\\mu\\nu}^2) are considered, then compact U(1) {\\sl pure} gauge theory in three Euclidean dimensions can have two phases. Both phases are confining phases, however in one phase the monopole condensate spontaneously `magnetizes'. Fo... | ['1995-05-02'] |
15,662 | ['eng'] | ['Dolgov, D S'] | ['Four-dimensional random surfaces and one-dimensional string theory'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 1', 'gravitation, interaction', 'interaction, gravitation', 'dimension, 4', 'random surface'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504156'] | ['We consider a new action of a two-dimensional field theory interacting with gravitational field. The action is interpreted as the area of a surface imbedded into four-dimensional Mincowski target space. In addition to reparametrization invariance the new action has one extra infinite-dimensional local symmetry with a... | ['1995-05-01'] |
15,663 | ['eng'] | ['García, A E', 'Kechkin, O V'] | ['Symmetries of the stationary Einstein-Maxwell dilaton theory'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'sigma model, nonlinear', 'dimension, 5', 'dimensional reduction', 'dimension, 3', 'Kaluza-Klein model', 'Brans-Dicke model', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504155'] | ['Gravity coupled three--dimensional \\sigma--model describing the stationary Einstein--Maxwell--dilaton system with general dilaton coupling is studied. Killing equations for the corresponding five--dimensional target space are integrated. It is shown that for general coupling constant \\alpha the symmetry algebra is ... | ['1995-05-01'] |
15,664 | ['eng'] | ['Gogilidze, S A', 'Khvedelidze, A M', 'Pervushin, V N'] | ['On admissible gauges for constrained systems'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'invariance, gauge', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504154'] | ['The {\\it {gauge - fixing} } and {\\it gaugeless } methods for reducing the phase space in the generalized Hamiltonian dynamics are compared with the aim to define the class of admissible gauges . In the gaugeless approach, the reduced phase space of a Hamiltonian system with the first class constraints is constructe... | ['1995-05-01'] |
15,665 | ['eng'] | ['Gogilidze, S A', 'Khvedelidze, A M', 'Pervushin, V N'] | ['Covariant gauges for constrained systems'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'transformation, gauge', 'invariance, Lorentz', 'ghost', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504152'] | ['The method of constructing of extended phase space for singular theories which permits the consideration of covariant gauges without the introducing of a ghost fields, is proposed. The extension of the phase space is carried out by the identification of the initial theory with an equivalent theory with higher derivat... | ['1995-05-01'] |
15,666 | ['eng'] | ['Gogilidze, S A', 'Khvedelidze, A M', 'Pervushin, V N'] | ['On abelianization of first class constraints'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504153'] | ['The systematic method for the conversion of first class constraints to the equivalent set of Abelian one based on the Dirac equivalence transformation is developed. The representation for the corresponding matrix performing this transformation is proposed. This representation allows one to lead the problem of abelian... | ['1995-05-01'] |
15,667 | ['eng'] | ['Park, E B', 'Kim, Y W', 'Park, Y J', 'Kim, Y', 'Kim, W T'] | ['Batalin-Tyutin quantization of the Chern-Simons-Proca theory'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'Proca equation', 'dimension, 3', 'quantization, constraint', 'Hamiltonian formalism', 'quantum mechanics', 'quantization, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504151'] | ['We quantize the Chern-Simons-Proca theory in three dimensions by using the Batalin-Tyutin Hamiltonian method, which systematically embeds second class constraint system into first class by introducing new fields in the extended phase space. As results, we obtain simultaneously the St\\"uckelberg scalar term, which is... | ['1995-05-01'] |
15,668 | ['eng'] | ['Matsumura, Y', 'Sakai, N', 'Sakai, T'] | ['Mass spectra of supersymmetric Yang-Mills theories in 1 + 1 dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, charge', 'dimension, 2', 'light cone gauge', 'quantization, constraint', 'Hamiltonian formalism', 'tensor, energy-momentum', 'mass spectrum', 'bound state', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504150'] | ['Physical mass spectra of supersymmetric Yang-Mills theories in 1+1 dimensions are evaluated in the light-cone gauge with a compact spatial dimension. The supercharges are constructed and the infrared regularization is unambiguously prescribed for supercharges, instead of the light-cone Hamiltonian. This provides a ma... | ['1995-05-01'] |
15,669 | ['eng'] | ['Kieu, T D'] | ['Quantisation without Witten anomalies'] | ['Particle Physics - Theory'] | ['quantization', 'anomaly', 'path integral', 'boundary condition', 'Berry phase'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504164'] | ["It is argued that the gauge anomalies are only the artefacts of quantum field theory when certain subtleties are not taken into account. With the Berry's phase needed to satisfy certain boundary conditions of the generating path integral, the gauge anomalies associated with homotopically nontrivial gauge transformati... | ['1995-05-01'] |
15,670 | ['eng'] | ['Curnoe, S', 'Weiss, N'] | ['Mean field description of the fractional quantum Hall effect near $\\nu$=1/(2k+1)'] | ['Particle Physics - Theory'] | ['Hall effect, fractional', 'gauge field theory', 'Chern-Simons term', 'Landau-Ginzburg model', 'mean field approximation', 'potential, chemical', 'magnetic field, external field', 'vortex, energy', 'vortex, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504163'] | ["The nature of Mean Field Solutions to the Equations of Motion of the Chern--Simons Landau--Ginsberg (CSLG) description of the Fractional Quantum Hall Effect (FQHE) is studied. Beginning with the conventional description of this model at some chemical potential \\mu_0 and magnetic field B corresponding to a ``special'... | ['1995-05-01'] |
15,671 | ['eng'] | ['Shapiro, I L', 'Takata, H'] | ['Conformal transformation in gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'relativity theory, general', 'field theory, dilaton', 'transformation, conformal', 'field theory, action', 'field theory, scalar', 'anomaly, conformal', 'renormalization', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504162'] | ['The conformal transformation in the Einstein - Hilbert action leads to a new frame where an extra scalar degree of freedom is compensated by the local conformal-like symmetry. We write down a most general action resulting from such transformation and show that it covers both general relativity and conformally coupled... | ['1995-05-01'] |
15,672 | ['eng'] | ['McArthur, I N'] | ['Gauging of nonlinearly realized symmetries'] | ['Particle Physics - Theory'] | ['group theory, representation', 'representation, induced', 'representation, nonlinear', 'transformation, gauge', 'transformation, Becchi-Rouet-Stora', 'algebra, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504160'] | ['A representation of a subgroup H of a finite-dimensional group G can be used to induce a nonlinear realization of G. If the nonlinearly realized symmetry is gauged, then the BRST charge can be related by a similarity transformation to the BRST charge for the gauged linear realization of H (plus a cohomologically triv... | ['1995-05-01'] |
15,673 | ['eng'] | ['Gibbs, P E'] | ['Symmetry in the topological phase of string theory'] | ['Particle Physics - Theory'] | ['string model', 'field theory, topological', 'string, open', 'string, closed', 'string, discrete', 'operator, algebra', 'algebra, Lie', 'algebra, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504149'] | ['I present arguments to the affect that the topological phase of string theory must be event-symmetric. This motivates a search for a universal string group for discrete strings in event-symmetric space-time which unifies space-time symmetry with internal gauge symmetry. This is partially successful but the results ar... | ['1995-05-01'] |
15,674 | ['eng'] | ['Ghosh, A', 'Maharana, J P'] | ['S-duality and the entropy of black holes in heterotic string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'effective action', 'field equations, solution', 'black hole', 'charge, electric', 'charge, magnetic', 'entropy', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504161'] | ['Four dimensional heterotic string effective action is known to admit non-rotating electrically and magnetically charged black hole solutions. It is shown that the partition functions and entropies in both the cases are identical when these black hole solutions are related by S-duality transformations. The entropy is ... | ['1995-05-01'] |
15,675 | ['eng'] | ['Dvoeglazov, V V'] | ['Extra Dirac equations'] | ['Particle Physics - Theory'] | ['group theory, Lorentz', 'group theory, representation', 'spinor', 'Dirac equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504159'] | ['This paper has rather a pedagogical meaning. Surprising symmetries in the (j,0)\\oplus (0,j) Lorentz group representation space are analyzed. The aim is to draw reader\'s attention to the possibility of describing the particle world on the ground of the Dirac ``doubles". Several tune points of the variational princip... | ['1995-05-01'] |
15,676 | ['eng'] | ['Dvoeglazov, V V'] | ['Neutral particles in light of the Majorana-Ahluwalia ideas'] | ['Particle Physics - Theory'] | ['group theory, Lorentz', 'group theory, representation', 'spinor', 'fermion, Majorana', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504158'] | ['The first part of this article (Sections I and II) presents oneself an overview of theory and phenomenology of truly neutral particles based on the papers of Majorana, Racah, Furry, McLennan and Case. The recent development of the construct, undertaken by Ahluwalia [{\\it Mod. Phys. Lett. A}{\\bf 9} (1994) 439; {\\it... | ['1995-05-01'] |
15,677 | ['eng'] | ['Dvoeglazov, V V'] | ['A note on the Majorana theory for j=1/2 and j=1 particle states'] | ['Particle Physics - Theory'] | ['talk, Oaxtepec 1995/01/04', 'group theory, Lorentz', 'group theory, representation', 'spinor', 'vector', 'fermion, Majorana'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504157'] | ['The wave equations for self/anti-self conjugate Majorana-McLennan-Case j=1/2 and j=1 spinors, proposed by Ahluwalia, are re-written to covariant form. The connection with the Foldy-Nigam-Bargmann-Wightman-Wigner (FNBWW) type quantum field theory is discussed.'] | ['1995-05-01'] |
15,678 | ['eng'] | ['Hassan, S F'] | ['T-duality and non-local supersymmetries'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'duality, transformation', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504148'] | ['We study the non-localization of extended worldsheet supersymmetry under T-duality, when the associated complex structure depends on the coordinate with respect to which duality is performed. First, the canonical transformation which implements T-duality is generalized to the supersymmetric non-linear \\sigma-models.... | ['1995-04-28'] |
15,679 | ['eng'] | ['Sen, A'] | ['Extremal black holes and elementary string states'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'string model', 'black hole, mass', 'mass, black hole', 'charge, left-handed', 'coupling constant', 'black hole, horizon', 'thermodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504147'] | ["Some of the extremal black hole solutions in string theory have the same quantum numbers as the Bogomol'nyi saturated elementary string states. We explore the possibility that these black holes can be identified to elementary string excitations. It is shown that stringy effects could correct the Bekenstein-Hawking fo... | ['1995-04-28'] |
15,680 | ['eng'] | ['Gianvittorio, R', 'Martin, I', 'Restuccia, A'] | ['The gauge invariant lagrangian for Seiberg-Witten topological monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, topological', 'field equations, monopole', 'transformation, Becchi-Rouet-Stora', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504146'] | ['A topological gauge invariant lagrangian for Seiberg-Witten monopole equations is constructed. The action is invariant under a huge class of gauge transformations which after BRST fixing leads to the BRST invariant action associated to Seiberg-Witten monopole topological theory. The supersymmetric transformation of t... | ['1995-04-28'] |
15,681 | ['eng'] | ['Greene, Brian R', 'Morrison, Douglas Robert Ogston', 'Strominger, A'] | ['Black hole condensation and the unification of string vacua'] | ['Particle Physics - Theory'] | ['black hole, condensation', 'string model', 'vacuum state', 'moduli space', 'space-time, Calabi-Yau', 'transition', 'symmetry, mirror'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504145'] | ['It is argued that black hole condensation can occur at conifold singularities in the moduli space of type II Calabi--Yau string vacua. The condensate signals a smooth transition to a new Calabi--Yau space with different Euler characteristic and Hodge numbers. In this manner string theory unifies the moduli spaces of ... | ['1995-04-27'] |
15,682 | ['eng'] | ['Paul, P L'] | ['Topological symmetries of twisted N=2 chiral supergravity in Ashtekar formalism'] | ['Particle Physics - Theory'] | ['gravitation, topological', 'field equations, instanton', 'supergravity, chiral', 'relativity theory, general'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504144'] | ["In this paper a topological theory of gravity is studied on a four-manifold using the formalism of Capovilla {\\sl et al}. We show that it is fact equivalent to Anselmi and Fre's topological gravity using the topological symmetries. Using this formalism gives us a new way to study topological gravity and the intersec... | ['1995-04-27'] |
15,683 | ['eng'] | ['Binétruy, P', 'Gaillard, Mary Katherin', 'Taylor, T R'] | ['Dynamical supersymmetry breaking and the linear multiplet'] | ['Particle Physics - Theory'] | ['supersymmetry, dynamically broken', 'effective Lagrangian', 'supersymmetry, superfield', 'postulated particle, gaugino', 'sparticle, condensation', 'postulated particle, dilaton', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504143'] | ['We analyze gaugino condensation in the presence of a dilaton and an antisymmetric tensor field, with couplings reminiscent of string theories. The degrees of freedom relevant to a supersymmetric description of the effective theory below the scale of condensation are discussed in this context.'] | ['1995-04-27'] |
15,684 | ['eng'] | ['Nishino, H'] | ['Stationary axisymmetric black holes, N=2 superstring, and self-dual gauge or gravity fields'] | ['Particle Physics - Theory'] | ['black hole', 'symmetry, axial', 'Einstein equation', 'gauge field theory, Yang-Mills', 'string model', 'supersymmetry', 'space-time, Kerr', 'Ernst equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504142'] | ['We present interesting relationship between what are called stationary axisymmetric black hole solutions for the vacuum Einstein equations in the ordinary four-dimensions and exact solutions for self-dual Yang-Mills fields in flat 2+2 dimensions which are nothing but the consistent backgrounds for ~N=2~ open superstr... | ['1995-04-27'] |
15,685 | ['eng'] | ['Kogan, I I', 'Shifman, M'] | ['Two phases of supersymmetric gluodynamics'] | ['Particle Physics - Theory'] | ['gluon, field theory', 'supersymmetry', 'effective Lagrangian', 'renormalization, beta function', 'critical phenomena', 'sigma model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504141'] | ['We argue that supersymmetric gluodynamics has two phases with equivalent infrared behavior, one of which is asymptotically free and another one is superstrongly coupled in the ultraviolet domain.'] | ['1995-04-27'] |
15,686 | ['eng'] | ['Bergshoeff, E A', 'Sezgin, E'] | ['Super p-brane theories and new spacetime superalgebras'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry', 'Wess-Zumino term', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504140'] | ["We present a geometric formulation of super p--brane theories in which the Wess--Zumino term is (p+1)--th order in the supersymmetric currents, and hence is manifestly supersymmetric. The currents are constructed using a supergroup manifold corresponding to a generalization of a superalgebra which we found sometime a... | ['1995-04-27'] |
15,687 | ['eng'] | ['Burinskii, A'] | ['Some properties of the Kerr solution to low energy string theory'] | ['Particle Physics - Theory'] | ['string model', 'gravitation, dilaton', 'space-time, Kerr', 'field equations, solution', 'postulated particle, axion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504139'] | ['The Kerr solution to axidilaton gravity is analyzed in the Debney--Kerr--Schild formalism. It is shown that the Kerr principal null congruence retains its property to be geodesic and shear free, however, the axidilatonic Kerr solution is not algebraically special. A limiting form of this solution is considered near t... | ['1995-04-27'] |
15,688 | ['eng'] | ['Krivonos, S', 'Sorin, A', 'Toppan, F'] | ['On the super-NLS equation and its relation with N=2 super-KdV within coset approach'] | ['Particle Physics - Theory'] | ['Schroedinger equation, nonlinear', 'Korteweg-de Vries equation', 'supersymmetry', 'coset space', 'Baecklund transformation', 'differential equations, hierarchy', 'operator, Lax'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504138'] | ['A manifestly N=2 supersymmetric coset formalism is introduced to describe integrable hierarchies. It is applied to analyze the super-NLS equation. It possesses an N=2 symmetry since it can be obtained from a manifest N=2 coset algebra construction. A remarkable result is here discussed: the existence of a B\\"{a}cklu... | ['1995-04-27'] |
15,689 | ['eng'] | ['Dayi, O F'] | ['The Batalain-Vilkovisky method of quantization made easy'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'gauge field theory, tensor', 'Hamiltonian formalism, constraint', 'transformation, Becchi-Rouet-Stora', 'operator, algebra', 'master equation, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504137'] | ['Odd time was introduced to formulate the Batalin-Vilkovisky method of quantization of gauge theories in a systematic manner. This approach is presented emphasizing the odd time canonical formalism beginning from an odd time Lagrangian. To let the beginners have access to the method essential notions of the gauge theo... | ['1995-04-27'] |
15,690 | ['eng'] | ['Ano, N'] | ['Geometrical aspect of topologically twisted 2-dimensional conformal superalgebra'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry, algebra', 'algebra, OSp(2|2)', 'dimension, 2', 'moduli space', 'field theory, topological', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504135'] | ['We study the topologically twisted osp(2|2)+osp(2|2) conformal superalgebra. The algebra includes the Lagrangians which are intrinsic to the topological field theory and composed of fermionic generators. Studying the Lagrangians through a gauge system of osp(2|2)+osp(2|2), geometrical features inherent to the algebra... | ['1995-04-26'] |
15,691 | ['eng'] | ['Dvoeglazov, V V'] | ['Significance of the spinorial basis in relativistic quantum mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics, relativistic', 'group theory, Lorentz', 'group theory, representation', 'spinor', 'symmetry, space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504134'] | ['The problems connected with a choice of the spinorial basis in the (j,0)\\oplus (0,j) representation space are discussed. It is shown to have profound significance in relativistic quantum theory. From the methodological viewpoint this fact is related with the important dynamical role played by space-time symmetries f... | ['1995-04-26'] |
15,692 | ['eng'] | ['Sonoda, H'] | ['The energy-momentum tensor in field theory, 1'] | ['Particle Physics - Theory'] | ['renormalization group, beta function', 'tensor, energy-momentum', 'operator, composite', 'operator product expansion', 'regularization, dimensional', 'phi**n model, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504133'] | ['This is the first of three papers on the short-distance properties of the energy-momentum tensor in field theory. We study the energy-momentum tensor for renormalized field theory in curved space. We postulate an exact Ward identity of the energy-momentum tensor. By studying the consistency of the Ward identity with ... | ['1995-04-26'] |
15,693 | ['eng'] | ['Rabello, S J', 'Gaete, P'] | ['The BFV approach for a nonlocal symmetry of QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion', 'quantization, constraint', 'Hamiltonian formalism', 'invariance, Becchi-Rouet-Stora', 'path integral', 'symmetry, nonlocal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504132'] | ['In this paper we use the Batalin-Fradkin-Vilkovisky formalism to study a recently proposed nonlocal symmetry of QED. In the BFV extended phase space we show that this symmetry stems from a canonical transformation in the ghost sector.'] | ['1995-04-26'] |
15,694 | ['eng'] | ['Saveliev, M V'] | ['On some integrable generalisations of the continuous Toda system'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'dimension, 2', 'integrability', 'Hamiltonian formalism', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504131'] | ['In the present paper we obtain some integrable generalisations of the continuous Toda system generated by a flat connection form taking values in higher grading subspaces of the algebra of the area--preserving diffeomorphism of the torus T^2, and construct their general solutions. The grading condition which we use h... | ['1995-04-26'] |
15,695 | ['eng'] | ['Banerjee, R'] | ['Bosonisation in three-dimensional quantum field theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion', 'dimension, 3', 'partition function', 'Thirring model', 'bosonization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504130'] | ['We show in three dimensions, using functional integral techniques, the equivalence between the partition functions of the massive Thirring model and a gauge theory with two gauge fields, to all orders in the inverse fermion mass. Detailed bosonisation identities, also valid to all orders in the inverse mass, are deri... | ['1995-04-26'] |
15,696 | ['eng'] | ['Mayr, Peter', 'Stieberger, S'] | ['Moduli dependence of one-loop gauge couplings in (0,2) compactifications'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, background field', 'perturbation theory, higher-order', 'coupling constant', 'moduli space, dependence', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504129'] | ['We derive the moduli dependence of the one--loop gauge couplings for non--vanishing gauge background fields in a four--dimensional heterotic (0,2) string compactification. Remarkably, these functions turn out to have a representation as modular functions on an auxiliary Riemann surface on appropriate truncations of t... | ['1995-04-26'] |
15,697 | ['eng'] | ['Requardt, M'] | ['A new class of bounds for correlation functions in Euclidean lattice field theory and statistical mechanics of spin systems'] | ['Particle Physics - Theory'] | ['lattice field theory, Euclidean', 'spin, statistics', 'statistics, spin', 'correlation function', 'critical phenomena', 'phi**n model, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504128'] | ['Starting from an extension of the Poisson bracket structure and Kubo-Martin-Schwinger-property of classical statistical mechanics of continuous systems to spin systems, defined on a lattice, we derive a series of, as we think, new and interesting bounds on correlation functions for general lattice systems. Our method... | ['1995-04-26'] |
15,698 | ['eng'] | ['Petersen, J L', 'Rasmussen, J', 'Yu, M'] | ['Conformal blocks for admissible representations in SL(2) current algebra'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'current algebra, SL(2)', 'n-point function', 'Knizhnik-Zamolodchikov equation', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504127'] | ['We show how to deal with screening charges involving fractional powers of free fields. This enables us to use the free field Wakimoto construction to obtain complete expressions for integral representations of conformal blocks for N-point functions on the sphere, also in the case of non-integrable representations, in... | ['1995-08-14'] |
15,699 | ['eng'] | ['Kitazawa, Y', 'Ninomiya, M'] | ['Scaling behavior of Ricci curvature at short distance near two dimensions'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'epsilon expansion', 'scaling', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9504126'] | ['We study the renormalization of the Ricci curvature as an example of generally covariant operators in quantum gravity near two dimensions. We find that it scales with a definite scaling dimension at short distance. The Ricci curvature singularity at the big bang can be viewed as such a scaling phenomenon. The problem... | ['1995-04-26'] |
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