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 |
|---|---|---|---|---|---|---|---|---|
13,700 | ['eng'] | ['Falceto, F', 'Gawedzki, K'] | ['Unitarity of the Knizhnik-Zamolodchikov-Bernard connection and the Bethe ansatz for the elliptic Hitchin systems'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'path integral', 'phase space', 'Wilson loop', 'Riemann surfaces', 'Knizhnik-Zamolodchikov equation', 'unitarity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604094'] | ['We work out finite-dimensional integral formulae for the scalar product of genus one states of the group G Chern-Simons theory with insertions of Wilson lines. Assuming convergence of the integrals, we show that unitarity of the elliptic Knizhnik-Zamolodchikov-Berna rd connection with respect to the scalar product of... | ['1996-04-18'] |
13,701 | ['eng'] | ['Lukas, A', 'Niemeyer, A', 'Yamaguchi, M'] | ['Post inflationary behaviour of string moduli'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'finite temperature', 'inflationary universe', 'postulated particle, gaugino', 'gaugino, condensation', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604096'] | ['We analyze the behaviour of moduli fields in string effective models between the end of inflation and reheating. The effective moduli potential during this era is derived for a class of simple models. We argue that this potential significantly stabilizes the modulus at its high energy minimum, if some restrictions on... | ['1996-04-18'] |
13,702 | ['eng'] | ['Ferrara, Sergio', 'Minasian, R', 'Sagnotti, A'] | ['Low-energy analysis of M and F theories on Calabi-Yau threefolds'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'field theory, Calabi-Yau', 'M-theory', 'F-theory', 'anomaly', 'charge, topological', 'duality', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604097'] | ['We elucidate the interplay between gauge and supersymmetry anomalies in six-dimensional N=1 supergravity with generalized couplings between tensor and vector multiplets. We derive the structure of the five-dimensional supergravity resulting from the S_1 reduction of these models and give the constraints on Chern-Simo... | ['1996-04-18'] |
13,703 | ['eng'] | ['Griesshammer, H W', 'Kalloniatis, A C'] | ['Field configurations and the SU(2) Haar measure in QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'axial gauge', 'gluon, wave function', 'path integral, measure'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604099'] | ['We characterise a class of SU(2) gluonic field configurations in the modified axial gauge where a zero mode component vanishes at some space point but the global Haar measure remains non-zero. The consequence of this is that gluonic wavefunctionals need not vanish at the boundary of the fundamental modular domain, wh... | ['1996-04-18'] |
13,704 | ['eng'] | ['Takács, G'] | ['A new RSOS restriction of the Zhiber-Mikhailov-Shabat model and $\\Phi_{1,5}$ perturbations of nonunitary minimal model'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'perturbation theory', 'S-matrix', 'operator, algebra', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604098'] | ["The RSOS restriction of the Zhiber-Mikhailov-Shabat (ZMS) model is investigated. It is shown that in addition to the usual RSOS restriction, corresponding to \\Phi_{(1,2)} and \\Phi_{(2,1)} perturbations of minimal CFT, there is another one (called a ``dual'' model) which yields \\Phi_{(1,5)} perturbations of non-uni... | ['1996-04-18'] |
13,705 | ['eng'] | ['Brzezinski, T'] | ['Separation of variables and vacuum structure of massive N=2 SUSY QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, massive', 'massive, gauge field theory', 'supersymmetry', 'vacuum state', 'Hamiltonian formalism', 'conservation law', 'lattice, Toda'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604101'] | ['We show how the method of separation of variables can be used to construct integrable models corresponding to curves describing vacuum structure of N=2 SUSY Yang-Mills theories. In particular, we consider hyperelliptic curves of N=2 SUSY QCD with even number of hypermultiplets with pairwise coinciding masses. We show... | ['1996-04-18'] |
13,706 | ['eng'] | ['González-López, A', 'Kamran, N', 'Olver, P J'] | ['Real Lie algebras of differential operators and quasi-exactly solvable potentials'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, representation', 'analytic properties', 'operator, differential', 'Schroedinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604102'] | ['We first establish some general results connecting real and complex Lie algebras of first-order differential operators. These are applied to completely classify all finite-dimensional real Lie algebras of first-order differential operators in R^2. Furthermore, we find all algebras which are quasi-exactly solvable, al... | ['1996-04-18'] |
13,707 | ['eng'] | ['Aharony, O'] | ['M theory and string dualities'] | ['Particle Physics - Theory'] | ['string model', 'duality, transformation', 'field theory, M-theory', 'spontaneous compactification, torus', 'membrane model', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604103'] | ["We analyze how string theory dualities may be described in M theory. T dualities arise from scalar-vector dualities in the worldvolume of the membrane of M theory. ``Electric-magnetic'' dualities arise from a duality transformation in M theory compactified on a 3-torus, which takes the membrane into a fivebrane wrapp... | ['1996-04-18'] |
13,708 | ['eng'] | ['Cvetic, M', 'Soleng, H H'] | ['Supergravity domain walls'] | ['Particle Physics - Theory'] | ['supergravity', 'topology, defect', 'domain wall', 'tunneling', 'charge, topological', 'Higgs model', 'energy', 'field theory, dilaton', 'mass', 'vacuum state', 'field theory, soliton', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604090'] | ['We review the status of domain walls in N=1 supergravity theories for both the vacuum domain walls as well as dilatonic domain walls. We concentrate on a systematic analysis of the nature of the space-time in such domain wall backgrounds and the special role that supersymmetry is playing in determining the nature of ... | ['1996-04-17'] |
13,709 | ['eng'] | ['Brustein, Ram', 'Gasperini, M', 'Veneziano, Gabriele'] | ['Peak and end point of the relic graviton background in string cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'gravitational radiation', 'background, stochastic', 'energy, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604084'] | ['Using general arguments we determine the allowed region for the end point frequency and the peak energy density of the stochastic background of gravity waves expected in string cosmology. We provide an accurate estimate of the minimal experimental sensitivity required to detect a signal in the Hz to GHz range.'] | ['1996-04-17'] |
13,710 | ['eng'] | ['Alfinito, E', 'Solombrino, L'] | ['The symmetry structure of the heavenly equation'] | ['Particle Physics - Theory'] | ['field equations, Liouville', 'excited state', 'symmetry, operator', 'gravitation, instanton', 'field equations, meron', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604085'] | ['We show that excitations of physical interest of the heavenly equation are generated by symmetry operators which yields two reduced equations with different characteristics. One equation is of the Liouville type and gives rise to gravitational instantons, including those found by Eguchi-Hanson and Gibbons-Hawking. Th... | ['1996-04-17'] |
13,711 | ['eng'] | ['Tataru, L', 'Vancea, I V'] | ['BRST cohomology of the superstring in super-Beltrami parametrisation'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'cohomology, Becchi-Rouet-Stora', 'differential forms, Beltrami'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604088'] | ['A method for the calculation of the BRST cohomology, recently developed for 2D gravity theory and the bosonic string in the Beltrami parametrization,is generalized to the superstring theories quantized in super-Beltrami parametrisation.'] | ['1996-04-17'] |
13,712 | ['eng'] | ['Atzmon, E'] | ['Invariant kinematics on a one-dimensional lattice in noncommutative geometry'] | ['Particle Physics - Theory'] | ['space-time, lattice', 'differential geometry, noncommutative', 'quantum mechanics', 'potential', 'wave function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604086'] | ['In a one-dimensional lattice, noncommutative geometry impairs the induced metric\'s translation invariance. This leads to some inconsistencies among different spectator frames, in the observation of the hoppings of a test particle between lattice sites. To resolve the inconsistencies between the different spectator f... | ['1996-04-17'] |
13,713 | ['eng'] | ['Fainberg, V Ya', 'Pak, N K', 'Shikakhwa, M S'] | ['The path integral quantization and the construction of the S-matrix in the abelian and non-abelian Chern-Simons theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'path integral', 'S-matrix', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604087'] | ['The cvariant path integral quantization of the theory of the scalar and spinor particles interacting through the abelian and non-Abelian Chern-Simons gauge fields is carried out and is shown to be mathematically ill defined due to the absence of the transverse components of these gauge fields. This is remedied by the... | ['1996-04-17'] |
13,714 | ['eng'] | ['Klebanov, Igor R', 'Tseytlin, Arkady A'] | ['Entropy of near-extremal black p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'black hole', 'entropy', 'any-dimensional', 'charge, quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604089'] | ['We carry out a thorough survey of entropy for a large class of p-branes in various dimensions. We find that the Bekenstein-Hawking entropy may be given a simple world volume interpretation only for the non-dilatonic p-branes, those with the dilaton constant throughout spacetime. The entropy of extremal non-dilatonic ... | ['1996-04-17'] |
13,715 | ['eng'] | ['Green, M B', 'Gutperle, M'] | ['Light-cone supersymmetry and d-branes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'boundary condition', 'membrane model, p-brane', 'instanton', 'light cone gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604091'] | ["D-brane boundary states for type II superstrings are constructed by enforcing the conditions that preserve half of the space-time supersymmetry. A light-cone coordinate frame is used where time is identified as one of the coordinates transverse to the brane's (euclidean) world-volume so that the p-brane is treated as... | ['1996-04-17'] |
13,716 | ['eng'] | ['Odaka, K', 'Satoh, K'] | ['The hamiltonian in an Aharonov-Bohm gauge field and its self-adjoint extensions'] | ['Particle Physics - Theory'] | ['gauge field theory', 'Aharonov-Bohm effect', 'Hamiltonian formalism', 'flux tube, magnetic', 'magnetic, flux tube', 'particle, Dirac'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604082'] | ['By using the spherical coordinates in 3+1 dimensions we study the self-adjointness of the Dirac Hamiltonian in an Aharonov-Bohm gauge field of an infinitely thin magnetic flux tube. It is shown that the angular part of the Dirac Hamiltonian requires self-adjoint extensions as well as its radial one. The self-adjoint ... | ['1996-04-16'] |
13,717 | ['eng'] | ['Gorsky, A S', 'Marshakov, A V', 'Mironov, A E', 'Morozov, A'] | ['A note on spectral curve for the periodic homogeneous XYZ-spin chain'] | ['Particle Physics - Theory'] | ['spin, model', 'model, spin', 'integrability', 'gauge field theory, Yang-Mills', 'supersymmetry', 'model, Toda', 'operator, Lax', 'operator, algebra', 'model, magnetic', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604078'] | ['We discuss the construction of the spectral curve and the action integrals for the ``elliptic" XYZ spin chain of the length N_c. Our analysis can reflect the integrable structure behind the ``elliptic" {\\cal N}=2 supersymmetric QCD with N_f=2N_c.'] | ['1996-04-16'] |
13,718 | ['eng'] | ['Deriglazov, A A', 'Galajinsky, A V'] | ['Covariant supplementation scheme for infinitely reducible first class constraints'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'fermion', 'particle, relativistic', 'string model', 'supersymmetry, superfield'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604074'] | ['For a rather broad class of dynamical systems subject to mixed fermionic first and second class constraints or infinitely reducible first class constraints (IR1C), a manifestly covariant scheme of supplementation of IR1C to irreducible ones is proposed. For a model with IR1C only, an application of the scheme leads t... | ['1996-04-16'] |
13,719 | ['eng'] | ['Atance, M', 'Cortés, J L'] | ['Effective Field Theory of Pure Gravity and the Renormalization Group'] | ['Particle Physics - Theory'] | ['gravitation', 'effective action', 'renormalization group', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604076'] | ['The general structure of the renormalization group equations for the low energy effective field theory formulation of pure gravity is presented. The solution of these equations takes a particular simple form if the mass scale of the effective theory is much smaller than the Planck mass (a possibility compatible with ... | ['1996-04-16'] |
13,720 | ['eng'] | ['Schlingemann, D'] | ['Kink states in P($\\phi$)$_{2}$-models (an algebraic approach)'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'dimension, 2', 'field theory, soliton', 'vacuum state', 'tunneling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604075'] | ['Several two-dimensional quantum field theory models have more than one vacuum state. Familiar examples are the Sine-Gordon and the \\phi^4_2-model. It is known that these models possess states, called kink states, which interpolate different vacua. A general construction scheme for kink states in the framework of alg... | ['1996-04-16'] |
13,721 | ['eng'] | ['Antoniadis, Ignatios', 'Gava, E', 'Narain, Kumar S', 'Taylor, T R'] | ['Topological amplitudes in heterotic superstring theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'field theory, conformal', 'dimension, 2', 'correlation function, topological', 'effective action', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604077'] | ['We show that certain heterotic string amplitudes are given in terms of correlators of the twisted topological (2,0) SCFT, corresponding to the internal sector of the N=1 spacetime supersymmetric background. The genus g topological partition function F^g corresponds to a term in the effective action of the form W^{2g}... | ['1996-04-16'] |
13,722 | ['eng'] | ['Yamada, H'] | ['Heaviside transform of the effective potential in the Gross-Neveu model'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'effective potential', 'Heaviside transformation', 'expansion 1/N', 'regularization, dimensional', 'mass', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604081'] | ['A fresh study on the perturbative expansion is presented with the help of Heaviside transform with respect to the mass. We apply Heaviside transform to the effective potential in the Gross-Neveu model and carry out perturbative approximation of the massless potential by dealing with the resulting Heaviside function. ... | ['1996-04-16'] |
13,723 | ['eng'] | ['Krichever, I M', 'Lipan, O', 'Wiegmann, P B', 'Zabrodin, A V'] | ['Quantum integrable systems and elliptic solutions of classical discrete nonlinear equations'] | ['Particle Physics - Theory'] | ['differential equations, nonlinear', 'integrability', 'quantization', 'R-matrix', 'Bethe ansatz', 'Baecklund transformation', 'conservation law', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604080'] | ["Functional relation for commuting quantum transfer matrices of quantum integrable models is identified with classical Hirota's bilinear difference equation. This equation is equivalent to the completely discretized classical 2D Toda lattice with open boundaries. The standard objects of quantum integrable models are i... | ['1996-04-16'] |
13,724 | ['eng'] | ['Bilge, A H'] | ['On the solution and ellipticity properties of the self-duality equations of Corrigan et al. in eight dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'dimension, 8', 'duality', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604083'] | ['We show that the two sets of self-dual Yang-Mills equations in 8-dimensions proposed in (E.Corrigan, C.Devchand, D.B.Fairlie and J.Nuyts, {\\it Nuclear Physics} {\\bf B214}, 452-464, (1983)) form respectively elliptic and overdetermined elliptic systems under the Coulomb gauge condition. In the overdetermined case, t... | ['1996-04-16'] |
13,725 | ['eng'] | ['Papadopoulos, G J'] | ['A brief guide to p-branes'] | ['Particle Physics - Theory'] | ['talk, Geneva 1995/11/27', 'supergravity', 'field equations, solution', 'membrane model, p-brane', 'field theory, dyon', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604068'] | ['We describe the qualitative properties of p-brane solutions of supergravity theories and present two examples of p-brane solutions, first the dyonic membrane solutions of N=2 D=8 supergravity and second the intersecting M-brane solutions of D=11 supergravity.'] | ['1996-04-15'] |
13,726 | ['eng'] | ['Ambjørn, Jan', 'Watabiki, Y'] | ['Non-critical string field theory for 2d quantum gravity coupled to (p, q)-conformal fields'] | ['Particle Physics - Theory'] | ['field theory, string', 'quantum gravity', 'dimension, 2', 'field theory, conformal', 'Hamiltonian formalism', 'algebra, W(N)', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604067'] | ['We propose a non-critical string field theory for 2d quantum gravity coupled to (p,q) conformal fields. The Hamiltonian is described by the generators of the W_p algebra, and the Schwinger-Dyson equation is equivalent to a vacuum condition imposed on the generators of W_p algebra.'] | ['1996-04-15'] |
13,727 | ['eng'] | ['Aitchison, Ian Johnston Rhind', 'Fosco, C D', 'Mazzitelli, F D'] | ['Effective theory for parity conserving QED$_{3}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 3', 'coupling, matter', 'matter, coupling', 'effective action', 'parity, conservation law', 'conservation law, parity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604069'] | ['We consider a higher derivative effective theory for an Abelian gauge field in three dimensions, which represents the result of integrating out heavy matter fields interacting with a classical gauge field in a parity-conserving way. We retain terms containing up to two derivatives of F_{\\mu\\nu}, but make no assumpt... | ['1996-04-15'] |
13,728 | ['eng'] | ['Sen, A'] | ['Duality and orbifolds'] | ['Particle Physics - Theory'] | ['string model', 'field theory, orbifold', 'duality, transformation', 'spontaneous compactification', 'fibre bundle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604070'] | ['We construct several examples where duality transformation commutes with the orbifolding procedure even when the orbifolding group does not act freely, and there are massless states from the twisted sector at a generic point in the moduli space. Often the matching of spectrum in the dual theories is a result of non-t... | ['1996-04-15'] |
13,729 | ['eng'] | ['Kechkin, O V', 'Yurova, M'] | ['Sp(4,R)/GL(2,R) matrix structure of geodesic solutions for Einstein-Maxwell-dilaton-axion theory'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'gauge field theory, U(1)', 'field theory, dilaton', 'field theory, axion', 'field equations, solution', 'symmetry, Sp(4,R)/GL(2,R)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604071'] | ['The constructed Sp(4,R)/GL(2,R) matrix operator defines the family of isotropic geodesic containing vacuum point lines in the target space of the stationary D=4 Einstein--Maxwell--dilaton--axion theory. This operator is used to derive a class of solutions which describes a point center system with nontrivial values o... | ['1996-04-15'] |
13,730 | ['eng'] | ['Nakayama, R', 'Suzuki, T'] | ['Loop equations for + and - loops in c = 1/2 non-critical string theory'] | ['Particle Physics - Theory'] | ['string model', 'central charge, 1/2', 'algebra, loop space', 'algebra, W(3)', 'constraint', 'field theory, string'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604073'] | ['New loop equations for all genera in c = \\frac{1}{2} non-critical string theory are constructed. Our loop equations include two types of loops, loops with all Ising spins up (+ loops) and those with all spins down ( - loops). The loop equations generate an algebra which is a certain extension of W_3 algebra and are ... | ['1996-04-15'] |
13,731 | ['eng'] | ['Abdalla, Elcio', 'Mohayaee, R', 'Zadra, A'] | ['Screening in two-dimensional QCD'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'gauge field theory, SU(N)', 'charge, external', 'effect, screening', 'confinement', 'field equations, solution', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604063'] | ['We discuss the issue of screening and confinement of external colour charges in bosonised two-dimensional quantum chromodynamics. Our computation relies on the static solutions of the semi-classical equations of motion. The significance of the different representations of the matter field is explicitly studied. We ar... | ['1996-04-12'] |
13,732 | ['eng'] | ['Stoyanov, D T'] | ['A model of quantum electrodynamics with higher derivatives'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'field theory, action', 'derivative, high', 'quantization', 'Hamiltonian formalism', 'perturbation theory, higher-order', 'regularization, Pauli-Villars'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604060'] | ['A new version of application Pauli-Villars regularized Green functions in the quantum field theory using higher derivatives is proposed. In this version the regularizing mass M is large but finite. Our approach is demonstrated and discussed on the example of QED. It is shown that in our case there are no ultraviolet ... | ['1996-04-12'] |
13,733 | ['eng'] | ['Lavrov, P M', 'Odintsov, S D', 'Reshetnyak, A A'] | ['Effective action of composite fields for general gauge theories in BLT-covariant formalism'] | ['Particle Physics - Theory'] | ['gauge field theory', 'model, composite', 'quantization', 'effective action', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604061'] | ['The gauge dependence of the effective action of composite fields for general gauge theories in the framework of the quantization method by Batalin, Lavrov and Tyutin is studied. The corresponding Ward identites are obtained. The variation of composite fields effective action is found in terms of new set of generators... | ['1996-04-12'] |
13,734 | ['eng'] | ['Antoniadis, Ignatios', 'Taylor, T R'] | ['Dual N=2 SUSY breaking'] | ['Particle Physics - Theory'] | ['talk, Geneva 1995/11/27', 'talk, Warsaw 1996/03/28', 'supersymmetry, superfield', 'supersymmetry, spontaneously broken', 'duality, transformation', 'current algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604062'] | ['We discuss spontaneous supersymmetry breaking in N=2 globally supersymmetric theories describing abelian vector multiplets. The most general form of the action admits, in addition to the usual Fayet-Iliopoulos term, a magnetic Fayet-Iliopoulos term for the auxiliary components of dual vector multiplets. In a generic ... | ['1996-04-12'] |
13,735 | ['eng'] | ['Vaz, C', 'Witten, Louis'] | ['Quantum naked singularities in 2d dilaton gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'dimension, 2', 'tensor, energy-momentum', 'approximation, quasiclassical', 'boundary condition', 'radiation, Hawking', 'sine-Gordon equation, soliton', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604064'] | ['Roughly speaking, naked singularities are singularities that may be seen by timelike observers. The Cosmic Censorship conjecture forbids their existence by stating that a reasonable system of energy will not, under reasonable conditions, collapse into a naked singularity. There are however many counter-examples to th... | ['1996-04-12'] |
13,736 | ['eng'] | ['Hashimoto, A', 'Klebanov, Igor R'] | ['Decay of excited d-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'n-point function, 4', 'ghost, supersymmetry', 'membrane model, decay', 'decay, membrane model', 'scattering, string', 'string, scattering', 'radiation, Hawking', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604065'] | ['We calculate the leading order interactions of massless D-brane excitations. Their 4-point functions are found to be identical to those found in type I theory. The amplitude for two massless D-brane fluctuations to produce a massless closed string is found to possess interesting new structure. As a function of its si... | ['1996-04-12'] |
13,737 | ['eng'] | ['Nojiri, S I'] | ['Exact four dimensional exploding universe solution in string theory'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification', 'field equations, solution', 'astrophysics, model', 'duality', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604066'] | ['We obtain a four dimensional exploding universe solution in string theory. The solution is obtained from the string theory in the flat background by using non-abelian T-duality and the analytic continuation. In the solution, the radius of the universe is finite for fixed time and the universe is surrounded with the b... | ['1996-05-02'] |
13,738 | ['eng'] | ['Ohta, Y'] | ['Prepotential of N=2 SU(2) Yang-Mills gauge theory coupled with a massive matter multiplet'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, Yang-Mills', 'supersymmetry', 'coupling, matter', 'matter, coupling', 'approximation, weak coupling', 'weak coupling, approximation', 'potential, prepotential', 'scaling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604051'] | ['We discuss the N=2 SU(2) Yang-Mills theory coupled with a massive matter in the weak coupling. In particular, we obtain the instanton expansion of its prepotential. Instanton contributions in the mass-less limit are completely reproduced. We study also the double scaling limit of this massive theory and find that the... | ['1996-05-02'] |
13,739 | ['eng'] | ['Duff, Michael J', 'Lü, H', 'Pope, C N'] | ['The black branes of M-theory'] | ['Particle Physics - Theory'] | ['supergravity', 'effective action', 'membrane model, p-brane', 'field equations, solution', 'finite temperature', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604052'] | ['We present a class of black p-brane solutions of M-theory which were hitherto known only in the extremal supersymmetric limit, and calculate their macroscopic entropy and temperature.'] | ['1996-04-11'] |
13,740 | ['eng'] | ['Pawelczyk, J'] | ['Immersions and folds in string theories of gauge fields'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 2', 'gauge field theory', 'geometry', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604053'] | ['A two-dimensional string model with dynamical cancellation of folds is considered. The action of the model contains the self-intersection number which is defined for surfaces immersed into 4D targets. The two additional variables are not dynamical and live on a compact manifold. In this sense the model is a compactif... | ['1996-04-11'] |
13,741 | ['eng'] | ['Volkov, S'] | ['Computation of the winding number diffusion rate due to the cosmological sphaleron'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'space-time', 'field equations, sphaleron', 'partition function', 'energy', 'fluctuation', 'operator, determinant', 'regularization, zeta function', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604054'] | ['A detailed quantitative analysis of the transition process mediated by a sphaleron type non-Abelian gauge field configuration in curved spacetime is carried out. By examining spectra of the fluctuation operators and applying the zeta function regularization scheme, a closed analytical expression for the transition ra... | ['1996-04-11'] |
13,742 | ['eng'] | ['Dijkgraaf, R', 'Verlinde, Erik', 'Verlinde, Herman L'] | ['BPS quantization of the five-brane'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, p-brane', 'p-brane, 5', 'field theory, soliton', 'quantization', 'mass spectrum', 'field theory, M-theory', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604055'] | ['We give a unified description of all BPS states of M-theory compactified on T^5 in terms of the five-brane. We compute the mass spectrum and degeneracies and find that the SO(5,5,Z) U-duality symmetry naturally arises as a T-duality by assuming that the world-volume theory of the five-brane itself is described by a s... | ['1996-04-11'] |
13,743 | ['eng'] | ['Ghosh, A'] | ['QED$_{2}$ in curved backgrounds'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'space-time', 'effective action', 'quantization', 'Hamiltonian formalism', 'entropy', 'radiation, Hawking', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604056'] | ['Here we discuss the two dimensional quantum electrodynamics in curved space-time, especially in the background of some black holes. We first show the existence of some new quantum mechanical solution which has interesting properties. Then for some special black holes we discuss the fermion-black hole scattering probl... | ['1996-04-11'] |
13,744 | ['eng'] | ['Gómez, C', 'Hernández, R', 'López, E'] | ['Integrability, Jacobians and Calabi-Yau threefolds'] | ['Particle Physics - Theory'] | ['talk, Bandar e Anzali 1995/10/15', 'field theory, Calabi-Yau', 'gauge field theory', 'integrability', 'duality', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604057'] | ["The integrable systems associated with Seiberg-Witten geometry are considered both from the Hitchin-Donagi-Witten gauge model and in terms of intermediate Jacobians of Calabi-Yau threefolds. Dual pairs and enhancement of gauge symmetries are discussed on the basis of a map from the Donagi-Witten ``moduli'' into the m... | ['1996-04-11'] |
13,745 | ['eng'] | ['Lü, H', 'Pope, C N', 'Xu, K W'] | ['Liouville and Toda solutions of M-theory'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, Liouville', 'field theory, M-theory', 'field equations, soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604058'] | ['We study the general form of the equations for isotropic single-scalar, multi-scalar and dyonic p-branes in superstring theory and M-theory, and show that they can be cast into the form of Liouville, Toda (or Toda-like) equations. The general solutions describe non-extremal isotropic p-branes, reducing to the previou... | ['1996-04-11'] |
13,746 | ['eng'] | ['Kempf, A'] | ['Nonpointlike particles in harmonic oscillators'] | ['Particle Physics - Theory'] | ['quantum mechanics, nonlocal', 'model, oscillator', 'perturbation theory', 'Hamiltonian formalism', 'commutation relations', 'energy levels'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604045'] | ['Quantum mechanics ordinarily describes particles as being pointlike, in the sense that the uncertainty \\Delta x can, in principle, be made arbitrarily small. It has been shown that suitable correction terms to the canonical commutation relations induce a finite lower bound to spatial localisation. Here, we perturbat... | ['1996-04-11'] |
13,747 | ['eng'] | ['Kar, S'] | ['Generalised Raychaudhuri equations for strings and membranes'] | ['Particle Physics - Theory'] | ['talk, Madras 1996/02/15', 'string model', 'membrane model', 'space-time', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604046'] | ['A recent generalisation of the Raychaudhuri equations for timelike geodesic congruences to families of D dimensional extremal, timelike, Nambu--Goto surfaces embedded in an N dimensional Lorentzian background is reviewed. Specialising to D=2 (i.e the case of string worldsheets) we reduce the equation for the generali... | ['1996-04-11'] |
13,748 | ['eng'] | ['Kar, S'] | ['Stringy black holes and energy conditions'] | ['Particle Physics - Theory'] | ['gravitation', 'gauge field theory, U(1)', 'field theory, dilaton', 'string model', 'black hole', 'energy', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604047'] | ['The energy condition inequalities for the matter stress energy comprised out of the dilaton and Maxwell fields in the dilaton--Maxwell gravity theories emerging out of string theory are examined in detail. In the simplistic 1+1 dimensional models, the negativity of the Ricci curvature, turns out to be the requirement... | ['1996-04-11'] |
13,749 | ['eng'] | ['Kar, S'] | ['Generalised Raychaudhuri equations for strings in the presence of an antisymmetric tensor field'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time', 'field equations', 'field theory, tensor', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604048'] | ['The generalised Raychaudhuri equations derived by Capovilla and Guven are exclusively for extremal, timelike Nambu--Goto membranes. In this article, we construct the corresponding equations for string world--sheets in the presence of a background Kalb--Ramond field. We analyse the full set of equations by concentrati... | ['1996-04-11'] |
13,750 | ['eng'] | ['Fosco, C D'] | ['Tunneling between fermionic vacua and the overlap formalism'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'fermion', 'gauge field theory, U(1)', 'gauge field theory, external field', 'vacuum state', 'tunneling', 'magnetic field', 'space-time, torus', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604050'] | ['The probability amplitude for tunneling between the Dirac vacua corresponding to different signs of a parity breaking fermionic mass M in 2+1 dimensions is studied, making contact with the continuum overlap formulation for chiral determinants. It is shown that the transition probability in the limit when M \\to \\inf... | ['1996-04-11'] |
13,751 | ['eng'] | ['Rey, S J'] | ['Collective coordinate quantization of Dirichlet branes'] | ['Particle Physics - Theory'] | ['talk, Osaka 1995/12/14', 'membrane model, p-brane', 'quantization', 'partition function', 'field theory, collective', 'perturbation theory', 'wave function', 'approximation, quasiclassical', 'field equations', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604037'] | ["Collective coordinate quantization of Dirichlet branes is discussed. Utilizing Polchinski's combinatoric rule, semiclassical D-brane wave functional is given in proper-time formalism. D-brane equation of motion is then identified with renormalization group equation of defining Dirichlet open string theory. Quantum me... | ['1996-05-02'] |
13,752 | ['eng'] | ['Jackiw, R W'] | ['Gauge theories in the momentum/curvature representation'] | ['Particle Physics - Theory'] | ['talk, New York 1996/04', 'gauge field theory, Yang-Mills', 'quantization, geometrical', 'Hamiltonian formalism', 'transformation, gauge', 'algebra, commutation relations', 'phase space', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604040'] | ['The gauge variance of wave functionals for a gauge theory quantized in the momentum (curvature) representation is described. It is shown that a gauge transformation gives rise to a cocycle, which for theories in two space-time dimensions is related to the Kirillov-Kostant form. Various derivations are presented, incl... | ['1996-04-09'] |
13,753 | ['eng'] | ['Pronin, P I', 'Stepanyantz, K V'] | ['One-loop background calculations in the general field theory'] | ['Particle Physics - Theory'] | ['path integral', 'background field', 'effective action', 'perturbation theory, higher-order', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604038'] | ['We present master formulas for the divergent part of the one-loop effective action for a minimal operator of any order in the 4-dimensional curved space and for an arbitrary nonminimal operator in the flat space.'] | ['1996-04-09'] |
13,754 | ['eng'] | ['Burakovsky, L', 'Horwitz, L P', 'Schieve, W C'] | ['A new relativistic high temperature Bose-Einstein condensation'] | ['Particle Physics - Theory'] | ['boson, statistics', 'boson, condensation', 'temperature, high', 'gas, relativistic', 'mass spectrum', 'potential, chemical', 'critical phenomena', 'antiparticle', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604039'] | ['We discuss the properties of an ideal relativistic gas of events possessing Bose-Einstein statistics. We find that the mass spectrum of such a system is bounded by \\mu \\leq m\\leq 2M/\\mu _K, where \\mu is the usual chemical potential, M is an intrinsic dimensional scale parameter for the motion of an event in spac... | ['1996-04-09'] |
13,755 | ['eng'] | ['Douglas, M R', 'Li, M'] | ['D-brane realization of N=2 super Yang-Mills theory in four dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'membrane model, p-brane', 'supersymmetry', 'spontaneous compactification, orbifold', 'scattering amplitude, higher-order', 'higher-order, scattering amplitude', 'field theory, monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604041'] | ["We develop and study a D-brane realization of 4D N=2 super Yang-Mills theory. It is a type IIB string theory compactified on R^6\\times K3 and containing parallel 7-branes. It can also be regarded as a subsector of Vafa's F-theory compactified on K3\\times K3 and is thus dual to the heterotic string on K3\\times T^2.... | ['1996-04-09'] |
13,756 | ['eng'] | ['Gómez, C', 'Hernández, R', 'López, E'] | ['Integrability, duality and strings'] | ['Particle Physics - Theory'] | ['talk, Razlog 1995/08/28', 'string model', 'supersymmetry, symmetry breaking', 'gauge field theory, SU(2)', 'field theory, soliton', 'moduli space', 'integrability', 'duality', 'geometry, algebra', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604043'] | ['In these notes evidence is presented for intepreting the moduli space of the integrable model associated to N\\!=\\!2 gauge theories with N\\!=\\!4 matter content, in terms of Calabi-Yau manifolds. We restrict to the case of gauge group SU(2), which is compared with the moduli space of the Calabi-Yau manifold WP_{112... | ['1996-04-09'] |
13,757 | ['eng'] | ['Maldacena, J M', 'Susskind, Leonard'] | ['D-branes and fat black holes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'spontaneous compactification', 'field theory, soliton', 'partition function', 'black hole', 'radiation, Hawking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604042'] | ['The application of D-brane methods to large black holes whose Schwarzschild radius is larger than the compactification scale is problematic. Callan and Maldacena have suggested that despite apparent problems of strong interactions when the number of branes becomes large, the open string degrees of freedom may remain ... | ['1996-04-09'] |
13,758 | ['eng'] | ['Hoppe, J'] | ['Multilinear evolution equations for time-harmonic flows'] | ['Particle Physics - Theory'] | ['space-time', 'transformation, conformal', 'any-dimensional', 'conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604033'] | ['It is shown that time-harmonic hypersurface motions in various, conformally flat, N-dimensional manifolds admit a multilinear description, dL/dt={ L, M_1, ... , M_{N-2} }, automatically generating infinitely many conserved quantities, as well as leading to new (integrable) matrix equations. Interestingly, the conform... | ['1996-04-08'] |
13,759 | ['eng'] | ['Baier, V N', 'Milshtein, A I', 'Shaisultanov, R Z'] | ['Photon splitting in a very strong magnetic field'] | ['Particle Physics - Theory'] | ['electron positron, annihilation', 'annihilation, electron positron', 'magnetic field, strong field', 'effective Lagrangian', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604028'] | ['Photon splitting in a very strong magnetic field is analyzed for energy \\omega < 2m. The amplitude obtained on the base of operator-diagram technique is used. It is shown that in a magnetic field much higher than critical one the splitting amplitude is independent on the field. Our calculation is in a good agreement... | ['1996-04-08'] |
13,760 | ['eng'] | ['Prakash, J S'] | ["Weyl's character formula for SU(3)"] | ['Particle Physics - Theory'] | ['group theory, SU(3)', 'algebra, Lie', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604029'] | ["Using a generating function for the Wigner's D-matrix elements of SU(3) Weyl's character formula for SU(3) is derived using Schwinger's technique."] | ['1996-04-08'] |
13,761 | ['eng'] | ['Witten, Edward'] | ['Non-perturbative superpotentials in string theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'potential, nonperturbative', 'spontaneous compactification', 'field theory, Calabi-Yau', 'M-theory', 'F-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604030'] | ['The non-perturbative superpotential can be effectively calculated in M-theory compactification to three dimensions on a Calabi-Yau four-fold X. For certain X, the superpotential is identically zero, while for other X, a non-perturbative superpotential is generated. Using F-theory, these results carry over to certain ... | ['1996-04-08'] |
13,762 | ['eng'] | ['Itakura, K'] | ['Boson expansion methods in light-front QCD$_{1+1}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'dimension, 2', 'quantization, light front', 'field theory, nonlocal', 'operator, algebra', 'Hamiltonian formalism', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604032'] | ["We derive a bosonic Hamiltonian from two dimensional QCD on the light-front. To obtain the bosonic theory we find that it is useful to apply the boson expansion method which is the standard technique in quantum many-body physics. We introduce bilocal boson operators to represent the gauge-invariant quark bilinears an... | ['1996-04-08'] |
13,763 | ['eng'] | ['Klemm, A D', 'Lerche, Wolfgang', 'Mayr, Peter', 'Vafa, C', 'Warner, N'] | ['Self-dual strings and N=2 supersymmetric field theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'duality', 'spontaneous compactification', 'Riemann surfaces', 'field theory, Calabi-Yau', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604034'] | ['We show how the Riemann surface \\Sigma of N=2 Yang-Mills field theory arises in type II string compactifications on Calabi-Yau threefolds. The relevant local geometry is given by fibrations of ALE spaces. The 3-branes that give rise to BPS multiplets in the string descend to self-dual strings on the Riemann surface,... | ['1996-04-08'] |
13,764 | ['eng'] | ['Prakash, J S'] | ["Wigner's D-matrix elements for SU(3)"] | ['Particle Physics - Theory'] | ['group theory, SU(3)', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604036'] | ["A generating function for the Wigner's D-matrix elements of SU(3) is derived. From this an explicit expression for the individual matrix elements is obtained in a closed form."] | ['1996-04-08'] |
13,765 | ['eng'] | ['Tseytlin, Arkady A'] | ['Harmonic superpositions of m-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry', 'supergravity', 'dimension, 10', 'dimension, 11', 'membrane model, interaction', 'interaction, membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604035'] | ['We present solutions describing supersymmetric configurations of 2 or 3 orthogonally intersecting 2-branes and 5-branes of D=11 supergravity. The configurations which preserve 1/4 or 1/8 of maximal supersymmetry are 2+2, 5+5, 2+5, 2+2+2, 5+5+5, 2+2+5 and 2+5+5. (2+2 stands for orthogonal intersection of two 2-branes ... | ['1996-04-08'] |
13,766 | ['eng'] | ['Brandt, F'] | ['Local BRST cohomology and covariance'] | ['Particle Physics - Theory'] | ['algebra, Becchi-Rouet-Stora', 'cohomology', 'differential forms', 'algebra, differential', 'gauge field theory, Yang-Mills', 'gravitation', 'sigma model, nonlinear', 'invariance, diffeomorphism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604025'] | ['The paper outlines a systematic approach to compute the local BRST cohomology in a large class of gauge theories. It relates this cohomology to an underlying gauge covariant algebra and reduces its computation to a compactly formulated problem involving only suitably defined generalized connections and tensor fields.... | ['1996-04-05'] |
13,767 | ['eng'] | ['Zhao, L'] | ['Fock spaces with reflection condition and generalized statistics'] | ['Particle Physics - Theory'] | ['model, oscillator', 'operator, algebra', 'linear spaces, Fock space', 'boundary condition', 'spin, statistics', 'statistics, spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604024'] | ['An oscillator algebra and the associated Fock space with reflecting boundary and generalized statistics are constructed and is generalized to the multicomponent case. The oscillator algebra depends manifestly on the reflection factor and the statistical (exchange) factor, and the corresponding Fock space can be obtai... | ['1996-04-05'] |
13,768 | ['eng'] | ['Gaberdiel, M R', 'Kausch, H G'] | ['Indecomposable fusion products'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'algebra, representation', 'algebra, fusion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604026'] | ['We analyse the fusion products of certain representations of the Virasoro algebra for c=-2 and c=-7 which are not completely reducible. We introduce a new algorithm which allows us to study the fusion product level by level, and we use this algorithm to analyse the indecomposable components of these fusion products. ... | ['1996-04-05'] |
13,769 | ['eng'] | ['Bering, K', 'Damgaard, P H', 'Alfaro, J'] | ['Algebra of higher antibrackets'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'operator, algebra', 'Hamiltonian formalism', 'transformation, Becchi-Rouet-Stora', 'supersymmetry', 'field theory, string', 'string, closed', 'symmetry, Sp(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604027'] | ['We present a simplified description of higher antibrackets, generalizations of the conventional antibracket of the Batalin-Vilkovisky formalism. We show that these higher antibrackets satisfy relations that are identical to those of higher string products in non-polynomial closed string field theory. We argue that th... | ['1996-04-05'] |
13,770 | ['eng'] | ['Oehme, Reinhard', 'Xu, W'] | ['Asymptotic limits and sum rules for the quark propagator'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, propagator', 'sum rule', 'asymptotic behavior', 'perturbation theory, higher-order', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604021'] | ['For the structure functions of the quark propagator, the asymptotic behavior is obtained for general, linear, covariant gauges, and in all directions of the complex k^2-plane. Asymptotic freedom is assumed. Corresponding previous results for the gauge field propagator are important in the derivation. Except for coeff... | ['1996-04-04'] |
13,771 | ['eng'] | ['González-Arroyo, A', 'Montero, A'] | ['Do classical configurations produce confinement?'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'lattice field theory', 'string tension', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604017'] | ['We show that certain classical SU(2) pure gauge configurations give rise to a non-zero string tension. We then investigate cooled configurations generated by Monte Carlo simulations on the lattice and find similar properties. We infer evidence in favour of a classical model of Confinement.'] | ['1996-04-04'] |
13,772 | ['eng'] | ['Heinzl, T'] | ['Hamiltonian formulations of Yang-Mills quantum theory and the Gribov problem'] | ['Particle Physics - Theory'] | ['talk, Regensburg 1995/06/20', 'talk, Schladming 1996/03/02', 'gauge field theory, Yang-Mills', 'Wilson loop', 'gauge field theory, Gribov problem', 'dependence, gauge', 'quantization', 'Hamiltonian formalism', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604018'] | ["We review the status of quantising (non-abelian) gauge theories using different versions of a Hamiltonian formulation corresponding to Dirac's instant and front form of dynamics, respectively. In order to control infrared divergences we work in a finite spatial volume, chosing a torus geometry for convenience. We foc... | ['1996-04-04'] |
13,773 | ['eng'] | ['Lucchesi, C'] | ['Hard thermal loops, quark-gluon plasma response, and T=0 topology'] | ['Particle Physics - Theory'] | ['talk', 'gauge field theory, SU(2)', 'fermion', 'quark gluon, plasma', 'finite temperature, high'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604020'] | ['I outline various derivations of the non-Abelian Kubo equation, which governs the response of a quark-gluon plasma to hard thermal perturbations. In the static case, it is proven that gauge theories do not support hard thermal solitons. Explicit solutions are constructed within an SU(2) Ansatz and they are shown to s... | ['1996-04-04'] |
13,774 | ['eng'] | ['Mohri, K'] | ['Residues and topological Yang-Mills theory in two dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'field theory, topological', 'dimension, 2', 'Riemann surfaces', 'transformation, Becchi-Rouet-Stora', 'flux, magnetic', 'magnetic, flux', 'correlation function', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604022'] | ['The residue formula that evaluates any correlation function of topological SU_n Yang-Mills theory with arbitrary magnetic flux insertion in two dimensions are obtained. Deformations of the system by two form operators are investigated in some detail. The method of the diagonalization of matrix valued fields turns out... | ['1996-04-04'] |
13,775 | ['eng'] | ['Itoyama, H', 'Takashino, H'] | ['Schwinger-Dyson and large N$_{c}$ loop equation for supersymmetric Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'supersymmetry, superfield', 'Wilson loop', 'expansion 1/N', 'Dyson-Schwinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604023'] | ['We derive an infinite sequence of Schwinger-Dyson equations for N=1 supersymmetric Yang-Mills theory. The fundamental and the only variable employed is the Wilson-loop geometrically represented in N=1 superspace: it organizes an infinite number of supersymmetrizing insertions into the ordinary Wilson-loop as a single... | ['1996-04-04'] |
13,776 | ['eng'] | ['Fischler, Willy', 'Paban, S', 'Rozali, M'] | ['Collective coordinates for d-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'scattering', 'field theory, collective', 'anomaly, conformal', 'wormhole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604014'] | ["We develope a formalism for the scattering off D-branes that includes collective coordinates. This allows a systematic expansion in the string coupling constant for such processes, including a worldsheet calculation for the D-brane's mass."] | ['1996-04-03'] |
13,777 | ['eng'] | ['Mishra, A K', 'Rajasekaran, G'] | ['Fock space representation of differential calculus on the noncommutative quantum space'] | ['Particle Physics - Theory'] | ['quantum space', 'differential forms', 'operator, differential', 'operator, algebra', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604008'] | ['A complete Fock space representation of the covariant differential calculus on quantum space is constructed. The consistency criteria for the ensuing algebraic structure, mapping to the canonical fermions and bosons and the consequences of the new algebra for the statistics of quanta are analyzed and discussed. The c... | ['1996-04-03'] |
13,778 | ['eng'] | ['Deriglazov, A A', 'Galajinsky, A V'] | ['The Green-Schwarz superstring in extended configuration space and infinitely reducible first class constraints problem'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'field theory, action', 'Hamiltonian formalism', 'constraint, solution', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604006'] | ['The Green--Schwarz superstring action is modified to include some set of additional (on-shell trivial) variables. A complete constraints system of the theory turns out to be reducible both in the original and in additional variable sectors. The initial 8s first class constraints and 8c second class ones are shown to ... | ['1996-04-03'] |
13,779 | ['eng'] | ['Shafiekhani, A'] | ['Logarithmic operators in conformal field theory and the W$\\infty$-algebra'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'correlation function', 'algebra, W(infinity)', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604007'] | ['It is shown explicitly that the correlation functions of Conformal Field Theories (CFT) which posses the logarithmic operators are invariant under the Borel subalgebra of W_\\infty-algebra\\, constructed by tensor-operator algebra of \\str. The general expression for three and four-point correlation functions which p... | ['1996-04-03'] |
13,780 | ['eng'] | ['Caracciolo, R', 'Frau, M', 'Lerda, A', 'Sciuto, S', 'Zemba, G R'] | ['The extended conformal theory of the Calogero-Sutherland model'] | ['Particle Physics - Theory'] | ['talk, Cagliari 1995/09/03', 'statistical mechanics', 'fermion', 'Hamiltonian formalism', 'operator, algebra', 'algebra, W(infinity)', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604009'] | ['We describe the recently introduced method of Algebraic Bosonization of (1+1)-dimensional fermionic systems by discussing the specific case of the Calogero-Sutherland model. A comparison with the Bethe Ansatz results is also presented.'] | ['1996-04-03'] |
13,781 | ['eng'] | ['Von Gussich, A', 'Sundell, P'] | ['Finite deformations of conformal field theories using analytically regularized connections'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'field theory, deformation', 'analytic properties', 'regularization', 'torsion', 'operator, vertex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604010'] | ['We study some natural connections on spaces of conformal field theories using an analytical regularization method. The connections are based on marginal conformal field theory deformations. We show that the analytical regularization preserves conformal invariance and leads to integrability of the marginal deformation... | ['1996-04-03'] |
13,782 | ['eng'] | ['Engelhardt, M'] | ['Nonrelativistic particle in free random gauge background'] | ['Particle Physics - Theory'] | ['particle, nonrelativistic', 'gauge field theory, background field', 'spin', 'energy levels', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604012'] | ['The problem of a nonrelativistic particle with an internal color degree of freedom, with and without spin, moving in a free random gauge background is discussed. Freeness is a concept developed recently in the mathematical literature connected with noncommuting random variables. In the context of large-N hermitian ma... | ['1996-04-03'] |
13,783 | ['eng'] | ['Förste, S', 'Kehagias, A A', 'Schwager, S'] | ['Non-abelian duality for open strings'] | ['Particle Physics - Theory'] | ['string model, open', 'symmetry, space-time', 'symmetry, SO(N)', 'duality, nonabelian', 'black hole', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604013'] | ['We examine non-abelian duality transformations in the open string case. After gauging the isometries of the target space and developing the general formalism, we study in details the duals of target spaces with SO(N) isometries which, for the SO(2) case, reduces to the known abelian T-duals. We apply the formalism to... | ['1996-04-03'] |
13,784 | ['eng'] | ['Leupold, S', 'Weigert, H'] | ['Radial propagators and Wilson loops'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'radial gauge', 'propagator', 'Wilson loop', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604015'] | ['We present a relation which connects the propagator in the radial (Fock-Schwinger) gauge with a gauge invariant Wilson loop. It is closely related to the well-known field strength formula and can be used to calculate the radial gauge propagator. The result is shown to diverge in four-dimensional space even for free f... | ['1996-04-03'] |
13,785 | ['eng'] | ['Bastianelli, F', 'Lindström, U'] | ['C-theorem for two dimensional chiral theories'] | ['Particle Physics - Theory'] | ['model, chiral', 'dimension, 2', 'parity, violation', 'violation, parity', 'tensor, energy-momentum', 'two-point function', 'renormalization group, c-function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604001'] | ["We discuss an extension of the C-theorem to chiral theories. We show that two monotonically decreasing C-functions can be introduced. However, their difference is a constant of the renormalization group flow. This constant reproduces the 't Hooft anomaly matching conditions."] | ['1996-04-02'] |
13,786 | ['eng'] | ['Maggiore, N', 'Piguet, O', 'Wolf, S'] | ['Algebraic renormalization of N=1 supersymmetric gauge theories with supersymmetry breaking masses'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'mass', 'Wess-Zumino gauge', 'renormalization', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604002'] | ['We provide N=1 Super Yang-Mills theory in the Wess-Zumino gauge with mass terms for the supersymmetric partners of the gauge fields and of the matter fields, together with a supersymmetric mass term for the fermionic matter fields. All mass terms are chosen in such a way to induce soft supersymmetry breakings at most... | ['1996-04-02'] |
13,787 | ['eng'] | ['Bakas, Ioannis', 'Sfetsos, K'] | ['Toda fields of SO(3) hyper-Kähler metrics and free field realizations'] | ['Particle Physics - Theory'] | ['space-time, Kaehler', 'symmetry, SO(3)', 'field theory, Toda', 'symmetry, SU(N)', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604003'] | ['The Eguchi-Hanson, Taub-NUT and Atiyah-Hitchin metrics are the only complete non-singular SO(3)-invariant hyper-Kahler metrics in four dimensions. The presence of a rotational SO(2) isometry allows for their unified treatment based on solutions of the 3-dim continual Toda equation. We determine the Toda potential in ... | ['1996-04-02'] |
13,788 | ['eng'] | ['Alvarez-Gaumé, Luís', 'Distler, Jacques', 'Kounnas, Costas', 'Marino, M'] | ['Softly broken N=2 QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'gauge field theory, SU(2)', 'field theory, dilaton', 'supergravity', 'vacuum state', 'effective potential', 'analytic properties', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604004'] | ['We analyze the possible soft breaking of N=2 supersymmetric Yang-Mills theory with and without matter flavour preserving the analyticity properties of the Seiberg-Witten solution. For small supersymmetry breaking parameter with respect to the dynamical scale of the theory we obtain an exact expression for the effecti... | ['1996-04-02'] |
13,789 | ['eng'] | ['Lano, R P', 'Rodgers, V G J'] | ['Yang-Mills, gravity, and 2D string symmetries'] | ['Particle Physics - Theory'] | ['algebra, Virasoro', 'algebra, Kac-Moody', 'gauge field theory, Yang-Mills', 'string model', 'gravitation', 'transformation, gauge', 'constraint', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9604005'] | ["It is well known that by using the infinite dimensional symmetries that issue from string theories, one can build 2D geometric field theories. These 2D field theories can be identified with gravitational and gauge anomalies that arise in the presence of background gauge and gravitational anomalies. In this work we co... | ['1996-04-02'] |
13,790 | ['eng'] | ['Konno, H'] | ['Dynamical correlation functions and finite-size scaling in Ruijsenaars-Schneider model'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'particle, relativistic', 'correlation function', 'scaling, finite size', 'asymptotic behavior', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9606012'] | ['The trigonometric Ruijsenaars-Schneider model is diagonalized by means of the Macdonald symmetric functions. We evaluate the dynamical density-density correlation function and the one-particle retarded Green function as well as their thermodynamic limit. Based on these results and finite-size scaling analysis, we sho... | ['1996-06-05'] |
13,791 | ['eng'] | ['Paschalis, J E', 'Porfyriadis, P I'] | ['BFV analysis of the U$_{EM}$(1) gauged SU(3) WZW model and the Faddeev-Jackiw approach'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'symmetry, SU(3)', 'gauge field theory, U(1)', 'invariance, Becchi-Rouet-Stora', 'quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603196'] | ["The four dimensional SU(3) WZW model coupled to electromagnetism is treated as a constrained system in the context of Batalin-Fradkin- Vilkovisky formalism. It is shown that this treatment is equivalent to the Faddeev-Jackiw (FJ) approach. It is also shown that the field redefinitions that transform the fields of the... | ['1996-04-01'] |
13,792 | ['eng'] | ['Lee, C Y'] | ['Geometrical interpretation of BRST symmetry in topological Yang-Mills-Higgs theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gauge field theory, topological', 'dimension, 2', 'dimension, 3', 'dimension, 4', 'transformation, Becchi-Rouet-Stora', 'supersymmetry, transformation', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603197'] | ['We study topological Yang-Mills-Higgs theories in two and three dimensions and topological Yang-Mills theory in four dimensions in a unified framework of superconnections. In this framework, we first show that a classical action of topological Yang-Mills type can provide all three classical actions of these theories ... | ['1996-04-01'] |
13,793 | ['eng'] | ['Liu Chien Hao'] | ['Lorentz surfaces and lorentzian CFT'] | ['Particle Physics - Theory'] | ['string model', 'Hamiltonian formalism', 'phase space, symplectic', 'invariance, conformal', 'geometry, algebra', 'quantization, geometrical', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603198'] | ['The interest in string Hamiltonian system has recently been rekindled due to its application to target-space duality. In this article, we explore another direction it motivates. In Sec.\\ 1, conformal symmetry and some algebraic structures of the system that are related to interacting strings are discussed. These lea... | ['1996-04-01'] |
13,794 | ['eng'] | ['Kauffman, L H', 'Noyes, H P'] | ['Discrete physics and the Dirac equation'] | ['Particle Physics - Theory'] | ['lattice field theory', 'Dirac equation', 'dimension, 2', 'quantization, light front', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603202'] | ["We rewrite the 1+1 Dirac equation in light cone coordinates in two significant forms, and solve them exactly using the classical calculus of finite differences. The complex form yields ``Feynman's Checkerboard''---a weighted sum over lattice paths. The rational, real form can also be interpreted in terms of bit-strin... | ['1996-04-01'] |
13,795 | ['eng'] | ['Coceal, O', 'Sabra, W A', 'Thomas, S'] | ['Duality invariant magnetohydrodynamics and dyons'] | ['Particle Physics - Theory'] | ['plasma', 'charge, magnetic', 'charge, electric', 'model, hydrodynamical', 'field equations, dyon', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603200'] | ["The theory of magnetohydrodynamics is extended to the cases of a plasma of separate magnetic and electric charges, as well as to a plasma of dyons respectively. In both these cases the system possesses electric-magnetic duality symmetry. In the former case we find that because of the existence of two independent gene... | ['1996-04-01'] |
13,796 | ['eng'] | ['Bimonte, G', 'Lozano, G S'] | ['Symmetry non restoration and inverse symmetry breaking on the lattice'] | ['Particle Physics - Theory'] | ['lattice field theory', 'symmetry breaking', 'symmetry, O(N) x O(N)', 'field theory, scalar', 'finite temperature', 'any-dimensional', 'continuum limit', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603201'] | ['We study the finite temperature symmetry behaviour of O(N_1) \\times O(N_2) scalar models on the lattice and we prove that at sufficiently high temperatures and in arbitrary dimensions their full symmetry is always restored or, equivalently, that the phenomenon of Symmetry Non Restoration which, according to lowest o... | ['1996-04-01'] |
13,797 | ['eng'] | ['Zwanziger, D'] | ['Lattice Coulomb hamiltonian and static color-Coulomb field'] | ['Particle Physics - Theory'] | ['gauge field theory', 'lattice field theory', 'effective Hamiltonian', 'Coulomb gauge', 'transfer matrix', 'partition function', 'boundary condition', 'coupling constant', 'potential, Coulomb', 'color', 'expansion, weak coupling', 'weak coupling, expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603203'] | ["The lattice Coulomb-gauge hamiltonian is derived from the transfer matrix of Wilson's Euclidean lattice gauge theory. The restriction to a fundamental modular region (no Gribov copies) is implemented in the hamiltonian formalism. The lattice form of Gauss's law is satisfied identically, and the static Coulombic color... | ['1996-04-01'] |
13,798 | ['eng'] | ['Narayanan, R A', 'Neuberger, H'] | ['Anomaly free U(1) chiral gauge theories on a two dimensional torus'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, chiral', 'dimension, 2', 'space-time, torus', 'path integral, determinant', 'anomaly', 'lattice field theory, continuum limit', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603204'] | ["We consider anomaly free combinations of chiral fermions coupled to U(1) gauge fields on a 2D torus first in the continuum and then on the lattice in the overlap formulation. Both in the continuum and on the lattice, when the background consists of sufficiently large constant gauge potentials the action induced by th... | ['1996-04-01'] |
13,799 | ['eng'] | ['Robertson, D G'] | ['The vacuum in light-cone field theory'] | ['Particle Physics - Theory'] | ['talk, Miami Beach 1996/01/25', 'field theory, scalar', 'fermion', 'quantization, light front'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9603205'] | ["This is an overview of the problem of the vacuum in light-cone field theory, stressing its close connection to other puzzles regarding light-cone quantization. I explain the sense in which the light-cone vacuum is ``trivial,'' and describe a way of setting up a quantum field theory on null planes so that it is equiva... | ['1996-04-01'] |
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