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 |
|---|---|---|---|---|---|---|---|---|
12,900 | ['eng'] | ['Stédile, E', 'Duarte, R'] | ['Lensing effect of a cosmic string in Chern-Simons gravity'] | ['Particle Physics - Theory'] | ['talk, Santa Barbara 1996/07/15', 'gauge field theory, SO(3,2)', 'gravitation', 'dimension, 3', 'Chern-Simons term', 'astrophysics, string', 'effect, lens', 'Einstein equation, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608134'] | ["It is pointed out that any conformally transformed of a flat space-time metric $\\ball g_{ij} = f(x)\\;\\eta_{ij}$ is a solution to Witten's equation of Chern-Simons gravity, which holds outside matter in (2+1) dimensions. It is also shown that a simultaneous exterior solution to both Witten's and Einstein's equation... | ['1996-08-21'] |
12,901 | ['eng'] | ['Barrow, John D', 'Dabrowski, M P'] | ['Kantowski-Sachs String Cosmologies'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'field equations, string', 'field equations, solution', 'effective action', 'postulated particle, axion', 'postulated particle, dilaton', 'time dependence', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608136'] | ['We present new exact solutions of the low-energy-effective-action string equations with both dilaton $\\phi $ and axion $H$ fields non-zero. The background universe is of Kantowski-Sachs type. We consider the possibility of a pseudoscalar axion field $h$ ($H=e^\\phi (dh)^{*}$) that can be either time or space depende... | ['1996-08-21'] |
12,902 | ['eng'] | ['Volovich, I V'] | ['D-branes, Black Holes and $SU(\\infty)$ Gauge Theory'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/05/20', 'gauge field theory, SU(infinity)', 'master equation', 'black hole', 'membrane model, p-brane', 'supersymmetry', 'partition function', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608137'] | ["We discuss an application of the known in QCD large $N$ expansion to strings and supermembranes in the strong coupling. In particular we use the recently obtained master field describing $ SU(\\infty)$ gauge theory to argue that quantum extreme black holes obey quantum Boltzmann (infinite) statistics. This supports a... | ['1996-08-21'] |
12,903 | ['eng'] | ['Naón, C M', 'Reichenbach, M C', 'Trobo, M L'] | ['Field theoretical approach to non-local interactions'] | ['Particle Physics - Theory'] | ['Thirring model', 'particle, massless', 'fermion, determinant', 'potential, nonlocal', 'electron', 'dimension, 2', 'path integral', 'forward scattering', 'effective action', 'partition function', 'bosonization, nonlocal', 'spin', 'symmetry, U(2)', 'Wess-Zumino-Witten model', 'dispersion relations', 'correlation functi... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608138'] | ['We apply a recently proposed path-integral approach to non-local bosonization to a Thirring-like system modeling non-relativistic massless particles interacting with localized fermionic impurities. We consider forward scattering processes described by symmetric potentials including interactions between charge, curren... | ['1996-08-21'] |
12,904 | ['eng'] | ['Ryang, S'] | ['A Canonical Approach to Self-Duality of Dirichlet $3$-Brane'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 3', 'duality, SL(2,R)', 'duality, transformation', 'path integral', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608118'] | ['The self-duality of Dirichlet $3$-brane action under the $SL(2,R)$ duality transformation of type IIB superstring theory is shown in the Hamiltonian form of the path integral for the partition function by performing the direct integration with respect to the boundary gauge field. Through the integration in the phase ... | ['1996-08-20'] |
12,905 | ['eng'] | ['Terentyev, M V', 'Zyablyuk, K N'] | ['Vanishing of Cosmological Constant in Dual Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'duality', 'astrophysics, fundamental constant', 'membrane model, p-brane', 'p-brane, 5', 'effective action', 'vacuum state', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608119'] | ['The vacuun configuration of dual supergravity in ten dimensions with one-loop fivebrane corrections is analyzed. It is shown that the compactification of this theory with rather general conditions to six-dimensional space leads to zero value of cosmological constant.'] | ['1996-08-20'] |
12,906 | ['eng'] | ['Nahm, W'] | ['On the Seiberg-Witten Approach to electric-magnetic Duality'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry, central charge', 'symmetry, spontaneously broken', 'duality', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608121'] | ['Electric-magnetic duality allows to calculate the central charges of N=2 supersymmetric theories with massless hypermultiplets as derivatives of simple modular forms. The procedure reproduces the Seiberg-Witten results for N_f=0,2,3 in a uniform way, but indicates open problems for N_f=1.'] | ['1996-08-20'] |
12,907 | ['eng'] | ['Mirleau, O'] | ['Concerning a natural compatibility condition between the action and the renormalized operator product'] | ['Particle Physics - Theory'] | ['path integral', 'renormalization', 'Dyson-Schwinger equation', 'linear spaces, Hilbert space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608120'] | ["In this article we note that in a number of situations the operator product and the classical action satisfy a natural compatibility condition. We consider the interest of this condition to be twofold: First, the naturality (functoriality) of the compatibility condition suggests that it be used for geometrical applic... | ['1996-08-20'] |
12,908 | ['eng'] | ['Krauth, W', 'Staudacher, M'] | ['Non-Integrability of Two-Dimensional QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 2', 'fermion', 'bound state', 'Bethe-Salpeter equation, solution', 'integrability', 'pi, decoupling', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608122'] | ["In this paper we numerically demonstrate that massless two-dimensional QCD is not integrable. To this aim, we explicitly solve the 't Hooft integral equation for bound states by an adaptive spline procedure, and compute the decay amplitudes. These amplitudes significantly differ from zero except in all cases in which... | ['1996-08-20'] |
12,909 | ['eng'] | ['Rodríguez, R', 'Hosotani, Y', 'Hetrick, J E', 'Iso, S'] | ['Aspects of Confinement and Chiral Dynamics in 2-d QED at Finite Temperature'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 1996/08/10', 'Schwinger model', 'dimension, 2', 'finite temperature', 'Polyakov loop', 'energy', 'string tension', 'bosonization', 'confinement', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608123'] | ['We evaluate the Polyakov loop and string tension at zero and finite temperature in $QED_2.$ Using bozonization the problem is reduced to solving the Schrödinger equation with a particular potential determined by the ground state. In the presence of two sources of opposite charges the vacuum angle parameter $\\theta $... | ['1996-08-20'] |
12,910 | ['eng'] | ['Kapustnikov, A A', 'Pashnev, A I', 'Pichugin, A'] | ['The canonical quantization of the kink - model beyond the static solution'] | ['Particle Physics - Theory'] | ['phi**n model, 6', 'field equations, kink', 'time dependence', 'perturbation theory', 'quantization', 'Hamiltonian formalism', 'effective action', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608124'] | ['A new approach to the quantization of the relativistic kink - model around the solitonic solution is developed on the ground of the collective coordinates method. The corresponding effective action is proved to be the action of the nonminimal $d=1+1$ point - particle with curvature. It is shown that upon canonical qu... | ['1996-08-20'] |
12,911 | ['eng'] | ['Anselmi, D', 'Freedman, Daniel Z', 'Grisaru, Marc T', 'Johansen, A A'] | ['Universality of the Operator Product Expansions of $SCFT_4$'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'gauge field theory, Yang-Mills', 'supersymmetry', 'current algebra', 'operator product expansion', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608125'] | ["We study the operator product algebra of the supercurrent J and Konishi superfield K in four-dimensional supersymmetric gauge theories. The Konishi superfield appears in the JJ OPE and the algebra is characterized by two central charges c and c' and an anomalous dimension h for K. In free field (one-loop) approximati... | ['1996-08-20'] |
12,912 | ['eng'] | ['Marnelius, R'] | ['Time evolution in general gauge theories defined on inner product spaces'] | ['Particle Physics - Theory'] | ['gauge field theory', 'quantization, Batalin-Vilkovisky', 'transformation, Becchi-Rouet-Stora', 'phase space', 'invariance, reparametrization', 'Hamiltonian formalism', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608110'] | ['As previously shown BRST singlets |s> in a BRST quantization of general gauge theories on inner product spaces may be represented in the form |s>=e^{[Q, only depends on the matter variables, or a solution of a Dirac quantization. shown that the time evolution is determined by the singlet states of the corresponding r... | ['1996-08-19'] |
12,913 | ['eng'] | ['Grundberg, J', 'Lindström, U', 'Rocek, Martin'] | ['Yang-Mills fields for Cosets'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'coset space', 'sigma model, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608112'] | ['We consider theories with degenerate kinetic terms such as those that arise at strong coupling in $N=2$ super Yang-Mills theory. We compute the components of generalized $N=1,2$ supersymmetric sigma model actions in two dimensions. The target space coordinates may be matter and/or Yang-Mills superfield strengths.'] | ['1996-08-19'] |
12,914 | ['eng'] | ['Seiberg, N'] | ['Five Dimensional SUSY Field Theories, Non-trivial Fixed Points and String Dynamics'] | ['Particle Physics - Theory'] | ['dimension, 5', 'supersymmetry', 'group theory, exceptional', 'mass spectrum', 'coupling constant', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608111'] | ['We study (non-renormalizable) five dimensional supersymmetric field theories. The theories are parametrized by quark masses and a gauge coupling. We derive the metric on the Coulomb branch exactly. We use stringy considerations to learn about new non-trivial interacting field theories with exceptional global symmetry... | ['1996-08-19'] |
12,915 | ['eng'] | ['Davis, K'] | ['Enhanced Gauge Symmetry in M-Theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'field theory, M-theory', 'moduli space', 'space-time', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608113'] | ['In this article we examine some points in the moduli space of M-Theory at which there arise enhanced gauge symmetries. In particular, we examine the ``trivial" points of enhanced gauge symmetry in the moduli space of M-Theory on $S^{ 1 } \\times S^{ 1 } / { \\bf Z }_{ 2 }$ as well as the points of enhanced gauge symm... | ['1996-08-19'] |
12,916 | ['eng'] | ['Yi, P'] | ['Duality, Multi-Monopole Dynamics & Quantum Threshold Bound States'] | ['Particle Physics - Theory'] | ['talk, Argonne 1996/06/27', 'gauge field theory, Yang-Mills', 'Higgs model', 'supersymmetry', 'field theory, monopole', 'moduli space', 'duality', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608114'] | ['Dynamics of many supersymmetric monopoles are studied in the low energy approximation. A conjecture for the exact moduli space metric is given for all collections of fundamental monopoles of distinct type, and various partial confirmations of the conjecture are discussed. Upon the quantization of the resulting multi-... | ['1996-08-19'] |
12,917 | ['eng'] | ['Osipov, E P'] | ['The $\\phi^4_4$ quantum field theory; 2, Integrability of Wick kernels'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'axiomatic field theory', 'operator, algebra', 'linear spaces, Hilbert space', 'invariance, Poincare', 'asymptotic behavior', 'scattering', 'analytic properties', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608115'] | ['We continue the construction of the $:\\phi^4_4:$ quantum field theory. In this paper we consider the Wick kernel of the interacting quantum field. Using the complex structure and the Fock-Bargmann-Berezin-Segal integral representation we prove that this kernel defines a unique operator--valued generalized function o... | ['1996-08-19'] |
12,918 | ['eng'] | ['Becker, K', 'Becker, M', 'Morrison, Douglas Robert Ogston', 'Ooguri, H', 'Yin, Z'] | ['Supersymmetric Cycles in Exceptional Holonomy Manifolds and Calabi-Yau 4-Folds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'field theory, conformal', 'dimension, 2', 'field theory, Calabi-Yau', 'topology', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608116'] | ['We derive in the SCFT and low energy effective action frameworks the necessary and sufficient conditions for supersymmetric cycles in exceptional holonomy manifolds and Calabi-Yau 4-folds. We show that the Cayley cycles in $Spin(7)$ holonomy eight-manifolds and the associative and coassociative cycles in $G_2$ holono... | ['1996-08-19'] |
12,919 | ['eng'] | ['Duff, Michael J'] | ['M-Theory (The Theory Formerly Known as Strings)'] | ['Particle Physics - Theory'] | ['talk, Warwick 1996/03', 'talk, College Park 1996/05/29', 'talk, Erice 1996/07/03', 'talk, Geneva 1996/06/17', 'string model', 'supersymmetry', 'field theory, M-theory', 'membrane model, p-brane', 'spontaneous compactification', 'duality', 'dimension, 10', 'dimension, 11', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608117'] | ['Superunification underwent a major paradigm shift in 1984 when eleven-dimensional supergravity was knocked off its pedastal by ten-dimensional superstrings. This last year has witnessed a new shift of equal proportions: perturbative ten-dimensional superstrings have in their turn been superseded by a new non-perturba... | ['1996-08-19'] |
12,920 | ['eng'] | ['Singleton, D'] | ['Magnetic Charge as a "Hidden" Gauge Symmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, hidden symmetry', 'Maxwell equation', 'charge, magnetic', 'effect, Higgs', 'duality', 'field theory, scalar', 'symmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9701044'] | ["A theory containing both electric and magnetic charges is formulated using two vector potentials, $A_{\\mu}$ and $C_{\\mu}$. This has the aesthetic advantage of treating electric and magnetic charges both as gauge charges, but it has the experimental disadvantage of introducing a second massless gauge boson (the ``ma... | ['1997-01-13'] |
12,921 | ['eng'] | ['Carter, B', 'Langlois, D'] | ['Kalb-Ramond coupled vortex fibration model for relativistic superfluid dynamics'] | ['Particle Physics - Theory'] | ['superfluid, relativistic', 'vortex', 'string model', 'space-time', 'n, matter', 'postulated particle, dilaton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9611082'] | ['The macroscopic dynamics of a rotating superfluid deviates from that of a simple perfect fluid due to the effect of vorticity quantisation, which gives rise to a substructure of cosmic string type line defects that results in a local anisotropy whereby the effective average pressure in the direction of the vortex lin... | ['1996-11-14'] |
12,922 | ['eng'] | ['Falomir, H A', 'Gamboa-Saraví, R E', 'Muschietti, M A', 'Santangelo, E M', 'Solomin, J E'] | ['On the relation between determinants and Green functions of elliptic operators with local boundary conditions'] | ['Particle Physics - Theory'] | ['two-point function', 'operator, determinant', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608102'] | ['A formula relating quotients of determinants of elliptic differential operators sharing their principal symbol, with local boundary conditions, to the corresponding Green function is given.'] | ['1996-08-16'] |
12,923 | ['eng'] | ['Lópes-Cardoso, G', 'Lüst, Dieter', 'Mohaupt, T'] | ['Modular Symmetries of N=2 Black Holes'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'black hole', 'field theory, soliton', 'duality', 'supergravity', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608099'] | ['We discuss the transformation properties of classical extremal N=2 black hole solutions in S-T-U like models under S and T duality. Using invariants of (subgroups of) the triality group, which is the symmetry group of the classical BPS mass formula, the transformation properties of the moduli on the event horizon and... | ['1996-08-16'] |
12,924 | ['eng'] | ['Mansfield, P'] | ['A Large Distance Expansion for Quantum Field Theory'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/05/20', 'path integral', 'wave function', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608097'] | ['Using analyticity of the vacuum wave-functional under complex scalings the vacuum of a quantum field theory may be reconstructed from a derivative expansion valid for slowly varying fields. This enables the eigenvalue problem for the Hamiltonian to be reduced to algebraic equations. Applied to Yang-Mills theory this ... | ['1996-08-16'] |
12,925 | ['eng'] | ['Dijkgraaf, R', 'Moore, G', 'Verlinde, Erik', 'Verlinde, Herman L'] | ['Elliptic Genera of Symmetric Products and Second Quantized Strings'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'partition function', 'Riemann surfaces', 'dimension, 2', 'quantization', 'string model', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608096'] | ['In this note we prove an identity that equates the elliptic genus partition function of a supersymmetric sigma model on the $N$-fold symmetric product $M^N/S_N$ of a manifold $M$ to the partition function of a second quantized string theory on the space $M \\times S^1$. The generating function of these elliptic gener... | ['1996-08-16'] |
12,926 | ['eng'] | ['Volovich, I V'] | ['Three-block p-branes in various dimensions'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'gravitation', 'field theory, dilaton', 'field theory, tensor', 'any-dimensional', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608095'] | ['It is shown that a Lagrangian, describing the interaction of the gravitation field with the dilaton and the antisymmetric tensor in arbitrary dimension spacetime, admits an isotropic p-brane solution consisting of three blocks. Relations with known p-brane solutions are discussed. In particular, in ten-dimensional sp... | ['1996-08-16'] |
12,927 | ['eng'] | ['Strobl, K', 'Hindmarsh, M B'] | ['Universality and Critical Phenomena in String Defect Statistics'] | ['Particle Physics - Theory'] | ['astrophysics', 'space-time', 'topology, defect', 'string model', 'statistical mechanics', 'critical phenomena', 'universality', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608098'] | ['The idea of biased symmetries to avoid or alleviate cosmological problems caused by the appearance of some topological defects is familiar in the context of domain walls, where the defect statistics lend themselves naturally to a percolation theory description, and for cosmic strings, where the proportion of infinite... | ['1996-08-16'] |
12,928 | ['eng'] | ['Kondo, K I'] | ['Transverse Ward-Takahashi Identity, Anomaly and Schwinger-Dyson Equation'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion', 'path integral', 'anomaly', 'Dyson-Schwinger equation, solution', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608100'] | ['Based on the path integral formalism, we rederive and extend the transverse Ward-Takahashi identities (which were first derived by Yasushi Takahashi) for the vector and the axial vector currents and simultaneously discuss the possible anomaly for them. Subsequently, we propose a new scheme for writing down and solvin... | ['1996-08-16'] |
12,929 | ['eng'] | ['Falomir, H A', 'Saraví, R E G', 'Muschietti, M A', 'Santangelo, E M', 'Solomin, J E'] | ['Determinants of Dirac operators with local boundary conditions'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'operator, determinant', 'path integral', 'two-point function', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608101'] | ['We study functional determinants for Dirac operators on manifolds with boundary. We give, for local boundary conditions, an explicit formula relating these determinants to the corresponding Green functions. We finally apply this result to the case of a bidimensional disk under bag-like conditions.'] | ['1996-08-16'] |
12,930 | ['eng'] | ['Azakov, S I'] | ['The Schwinger model on the Torus'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'space-time, torus', 'quantization', 'path integral', 'operator, Dirac', 'zero mode', 'effective action', 'propagator', 'current, correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608103'] | ['The classical and quantum aspects of the Schwinger model on the torus are considered. First we find explicitly all zero modes of the Dirac operator in the topological sectors with nontrivial Chern index and is spectrum. In the second part we determine the regularized effective action and discuss the propagators relat... | ['1996-08-16'] |
12,931 | ['eng'] | ['Aratyn, H', 'Rasinariu, C'] | ['Manifestly Supersymmetric Lax Integrable Hierarchies'] | ['Particle Physics - Theory'] | ['operator, Lax', 'Kadomtsev-Petviashvili equation, hierarchy', 'dimension, 2', 'supersymmetry', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608107'] | ['A systematic method of constructing manifestly supersymmetric $1+1$-dimensional KP Lax hierarchies is presented. Closed expressions for the Lax operators in terms of superfield eigenfunctions are obtained. All hierarchy equations being eigenfunction equations are shown to be automatically invariant under the (extende... | ['1996-08-16'] |
12,932 | ['eng'] | ['Gómez, C', 'Hernández, R', 'López, E'] | ['$K3$-Fibrations and Softly Broken $N=4$ Supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'field theory, Calabi-Yau', 'charge, topological', 'geometry, algebra', 'duality', 'algebra, Kac-Moody', 'string model', 'moduli space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608104'] | ['Global geometry of $K3$-fibration Calabi-Yau threefolds, with Hodge number $h_{2,1}=r$, is used to define $N=4$ softly broken $SU(r+1)$ gauge theories, with the bare coupling constant given by the dual heterotic dilaton, and the mass of the adjoint hypermultiplet given by the heterotic string tension. The $U(r+1)$ Do... | ['1996-08-16'] |
12,933 | ['eng'] | ['Chalmers, G', 'Hanany, A'] | ['Three Dimensional Gauge Theories and Monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'dimension, 3', 'symmetry breaking', 'field theory, monopole', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608105'] | ['The coulomb branch of $N=4$ supersymmetric Yang-Mills gauge theories in $d=2+1$ is studied. A direct connection between gauge theories and monopole moduli spaces is presented. It is proposed that the hyper-Kähler metric of supersymmetric $N=4$ $SU(N)$ Yang-Mills theory is given by the charge $N$ centered moduli space... | ['1996-08-16'] |
12,934 | ['eng'] | ['Sabra, W A'] | ['Symplectic Embeddings and Special Kahler Geometry of CP(n-1,1)'] | ['Particle Physics - Theory'] | ['coset space, SU(N,1)/(U(1) x SU(N))', 'group theory, Sp(N,R)', 'potential, prepotential', 'differential geometry, Kaehler', 'space-time, CP(N-1)', 'spontaneous compactification, orbifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608106'] | ['The embedding of the isometry group of the coset spaces SU(1,n)/ U(1)xSU(n) in Sp(2n+2,R) is discussed. The knowledge of such embedding provides a tool for the determination of the holomorphic prepotential characterizing the special geometry of these manifolds and necessary in the superconformal tensor calculus of N=... | ['1996-08-16'] |
12,935 | ['eng'] | ['Gubser, S S', 'Klebanov, Igor R'] | ['Emission of charged particles from four- and five-dimensional black holes'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 4', 'dimension, 5', 'charged particle, emission', 'membrane model, p-brane', 'string model', 'radiation, Hawking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608108'] | ['Recently Das and Mathur found that the leading order Hawking emission rate of neutral scalars by near-extremal $D=5$ black holes is exactly reproduced by a string theoretic model involving intersecting D-branes. We show that the agreement continues to hold for charged scalar emission. We further show that similar agr... | ['1996-08-16'] |
12,936 | ['eng'] | ['Ganor, O J'] | ['Toroidal Compactification of Heterotic 6D Non-Critical Strings Down to Four Dimensions'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 6', 'spontaneous compactification, torus', 'current algebra, E(8)', 'effective action', 'Wilson loop', 'moduli space', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608109'] | ['The low-energy limit of the 6D non-critical string theory with $N=1$ SUSY and $E_8$ chiral current algebra compactified on $T^2$ is generically an $N=2$ $U(1)$ vector multiplet. We study the analog of the Seiberg-Witten solution for the low-energy effective action as a function of $E_8$ Wilson lines on the compactifi... | ['1996-08-16'] |
12,937 | ['eng'] | ['Park, D K'] | ['Comment on prescription problem in light-cone gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'light cone gauge', 'propagator', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608087'] | ['Recently suggested causal principal value and causal prescriptions for the "spurious singularity" in light-cone gauge theories are nothing but the different guises of usual Mandelstam-Leibbrandt prescription.'] | ['1996-08-15'] |
12,938 | ['eng'] | ['Vecchia, P D'] | ['Duality in supersymmetric gauge theories'] | ['Particle Physics - Theory'] | ['lectures, Moscow 1996/02/20', 'gauge field theory, SU(2)', 'gauge field theory, Yang-Mills', 'supersymmetry, algebra', 'field theory, monopole', 'duality', 'moduli space', 'charge, quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608090'] | ['In these lectures we discuss various aspects of gauge theories with extended $N=2$ and $N=4$ supersymmetry that are at the basis of recently found exact results. These results include the exact calculation of the low energy effective action for the light degrees of freedom in the $N=2$ super Yang-Mills theory and the... | ['1996-08-15'] |
12,939 | ['eng'] | ['Grigorian, G V', 'Grigorian, R P', 'Tyutin, I V'] | ['Pseudoclassical theories of Majorana, Weyl and Majorana-Weyl particles'] | ['Particle Physics - Theory'] | ['neutrino, Majorana', 'neutrino, Weyl', 'field theory, classical', 'any-dimensional', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608088'] | ['A pseudoclassical theories of Majorana, Weyl and Majorana--Weyl particles in the space--time dimensions $D=2n$ are constructed. The canonical quantization of these theories is carried out and as a result we obtain the quantum mechanical description of neutral particle in $D=2n$ , Weyl particle in $D=2n$ and neutral W... | ['1996-08-15'] |
12,940 | ['eng'] | ['Bytsenko, A A', 'Cognola, G', 'Zerbini, S'] | ['Determinant of Laplacian on a non-compact 3-dimensional hyperbolic manifold with finite volume'] | ['Particle Physics - Theory'] | ['operator, differential', 'path integral, determinant', 'space-time', 'regularization, heat kernel'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608089'] | ['The functional determinant of Laplace-type operators on the 3-dimensional non-compact hyperbolic manifold with invariant fundamental domain of finite volume is computed by quadratures and making use of the related Selberg trace formula.'] | ['1996-08-15'] |
12,941 | ['eng'] | ['Fioravanti, D', 'Mariottini, A', 'Quattrini, E', 'Ravanini, F'] | ['Excited State Destri - De Vega Equation for sine-Gordon and Restricted sine-Gordon Models'] | ['Particle Physics - Theory'] | ['sine-Gordon equation, solution', 'dimension, 2', 'scaling', 'energy', 'phase space', 'linear spaces, Hilbert space', 'perturbation theory', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608091'] | ['We derive a generalization of the Destri - De Vega equation governing the scaling functions of some excited states in the Sine-Gordon theory. In particular configurations with an even number of holes and no strings are analyzed and their UV limits found to match some of the conformal dimensions of the corresponding c... | ['1996-08-15'] |
12,942 | ['eng'] | ['Schrör, B'] | ['Notes on the Wigner Representation Theory of the Poicaré Group, Localization and Statistics'] | ['Particle Physics - Theory'] | ['group theory, Poincare', 'group theory, representation', 'linear spaces, Hilbert space', 'spin, statistics', 'postulated particle, anyon', 'axiomatic field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608092'] | ["It has been known that the Wigner representation theory for positive energy orbits permits a useful localization -concept in terms of certain lattices of real subspaces of the complex Hilbert -space. This framework was recently used by Brunetti, Guido and Longo in order to construct interaction-free nets of local alg... | ['1996-08-15'] |
12,943 | ['eng'] | ['Bandos, I A'] | ['String-Like Description of Gravity and Possible Applications for F-theory'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, boson', 'field theory, tensor', 'gravitation', 'string model', 'field theory, F-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608093'] | ["The Lorentz harmonic formulation of D-dimensional bosonic p-brane theory with $D\\geq (p+1)(p+2)/2$ coupled to an antisymmetric tensor field of rank d=(p+1) provides the dynamical ground for the description of d=(p+1) dimensional Gravity. It hence realizes the idea of Regge and Teitelboim on a 'string-like' descripti... | ['1996-08-15'] |
12,944 | ['eng'] | ['Bandos, I A'] | ['Generalized Action Principle and Geometric Approach for superstrings and super-p-branes'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'string model', 'membrane model, p-brane', 'supersymmetry', 'field theory, action', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608094'] | ['In this short printed version of my talk I consider the generalized action for super-p-branes proposed previously in collaboration with D. Sorokin and Dmitrij V. Volkov. I describe briefly, the derivation doubly supersymmetric geometric approach from the generalized action and discuss one of the direction of its poss... | ['1996-08-15'] |
12,945 | ['eng'] | ['Schrör, B'] | ['Motivations and Physical Aims of Algebraic QFT'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'any-dimensional', 'operator, algebra', 'invariance, modular', 'duality', 'postulated particle, anyon', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608083'] | ['We present illustrations which show the usefulness of algebraic QFT. In particular in low-dimensional QFT, when Lagrangian quantization does not exist or is useless (e.g. in chiral conformal theories), the algebraic method is beginning to reveal its strength.'] | ['1996-08-14'] |
12,946 | ['eng'] | ['Clark, T E', 'Love, S T'] | ['On the Holomorphic Structure of a Low Energy Supersymmetric Wilson Effective Action'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'approximation, strong coupling', 'symmetry, spontaneously broken', 'gauge field theory, U(1)', 'renormalization group', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608084'] | ['The Wilson (exact) renormalization group equations are used to determine the evolution of a general low energy N=1 supersymmetric action containing a U(1) gauge vector multiplet and a neutral chiral multiplet. The effective theory evolves towards satisfying a fixed relation where the Kähler potential and effective ga... | ['1996-08-14'] |
12,947 | ['eng'] | ['Barci, D G', 'Fraga, E S', 'Carvalho, C A A'] | ['The Role of Fermions in Bubble Nucleation'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'bubble, production', 'bubble, stability', 'vacuum state, decay', 'fermion, determinant', 'expansion, gradient', 'dimension, 1', 'dimension, 3', 'field equations, sphaleron', 'gap', 'bound state, energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608080'] | ['We present a study of the role of fermions in the decay of metastable states of a scalar field via bubble nucleation. We analyze both one and three-dimensional systems by using a gradient expansion for the calculation of the fermionic determinant. The results of the one-dimensional case are compared to the exact resu... | ['1996-08-14'] |
12,948 | ['eng'] | ['Kim, Y S'] | ['Neutrino Polarization as a Consequence of Gauge Invariance'] | ['Particle Physics - Theory'] | ['talk, Minsk 1996/06/03', 'neutrino, polarization', 'invariance, gauge', 'spinor, SL(2,C)', 'symmetry, O(3)', 'Dirac equation', 'particle, massless', 'electromagnetic field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608081'] | ['It is pointed out that there are gauge-dependent and gauge-independent spinors within the little-group framework for internal space-time symmetries of massless particles. It is shown that two of the $SL(2,c)$ spinors are invariant under gauge transformations while the remaining two are not. The Dirac equation contain... | ['1996-08-14'] |
12,949 | ['eng'] | ['Julia, B L', 'Nicolai, Hermann C'] | ['Conformal internal symmetry of 2d $\\sigma$-models coupled to gravity and a dilaton'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, dilaton', 'sigma model, nonlinear', 'dimension, 2', 'invariance, conformal', 'algebra, Kac-Moody', 'hidden symmetry', 'differential geometry, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608082'] | ['General Relativity reduced to two dimensions possesses a large group of symmetries that exchange classical solutions. The associated Lie algebra is known to contain the affine Kac-Moody algebra $A_1^{(1)}$ and half of a real Witt algebra. In this paper we exhibit the full symmetry under the semi-direct product of $\\... | ['1996-08-14'] |
12,950 | ['eng'] | ['Gibbons, G W', 'Rychenkova, P'] | ['HyperKãhler Quotient Construction of BPS Monopole Moduli Spaces'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, Kaehler', 'field theory, soliton', 'moduli space', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608085'] | ['We use the HyperKãhler quotient of flat space to obtain some monopole moduli space metrics in explicit form. Using this new description, we discuss their topology, completeness and isometries. We construct the moduli space metrics in the limit when some monopoles become massless, which corresponds to non-maximal symm... | ['1996-08-14'] |
12,951 | ['eng'] | ['Seiberg, N', 'Shenker, S H'] | ['Hypermultiplet Moduli Space and String Compactification to Three Dimensions'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, multiplet', 'spontaneous compactification', 'dimension, 3', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608086'] | ['We study the hypermultiplet moduli space of the type II string compactified on a Calabi-Yau space $\\bX$. We do this by using IIA/IIB duality in a compactification of the same theory on $\\bX\\times \\bS ^1$ and by using recent results on three dimensional field theory.'] | ['1996-08-14'] |
12,952 | ['eng'] | ['Korepin, V E', 'Oota, T'] | ['Scattering of Plane Waves in Self-Dual Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'duality', 'field equations, solution', 'scattering'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608064'] | ['We consider the classical self-dual Yang-Mills equation in 3+1-dimensional Minkowski space. We have found an exact solution, which describes scattering of $n$ plane waves. In order to write the solution in a compact form, it is convenient to introduce a scattering operator $\\hat{T}$. It acts in the direct product of... | ['1996-08-14'] |
12,953 | ['eng'] | ['Bastianelli, F', 'Consoli, L'] | ['A Locally Supersymmetric Action for the Scalar Particle'] | ['Particle Physics - Theory'] | ['particle, scalar', 'particle, relativistic', 'supersymmetry', 'mechanics, action', 'invariance, Becchi-Rouet-Stora', 'invariance, reparametrization', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608065'] | ['We construct a locally supersymmetric action for the scalar particle, and study its relation with the usual reparametrization invariant action. The mechanisms at work are similar to those employed in the embedding of the bosonic string into the fermionic one, originally due to Berkovits and Vafa in their search for a... | ['1996-08-14'] |
12,954 | ['eng'] | ['Ooguri, H', 'Vafa, C'] | ['Summing up D-Instantons'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'nonperturbative', 'moduli space', 'field theory, deformation', 'field theory, instanton', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608079'] | ['We investigate quantum corrections to the moduli space for hypermultiplets for type IIA near a conifold singularity. We find a unique quantum deformation based on symmetry arguments which is consistent with a recent conjecture. The correction can be interpreted as an infinite sum coming from multiple wrappings of the... | ['1996-08-14'] |
12,955 | ['eng'] | ['Szabo, R J'] | ['Equivariant Localization of Path Integrals'] | ['Particle Physics - Theory'] | ['review', 'path integral', 'dynamical system', 'integrability', 'field theory, topological', 'cohomology', 'quantization, Becchi-Rouet-Stora', 'loop space', 'Morse theory', 'index theorem', 'group theory, Lie', 'model, spin', 'spin, model', 'matrix model', 'Riemann surfaces', 'supersymmetry', 'field theory, conformal'... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608068'] | ['We review equivariant localization techniques for the evaluation of Feynman path integrals. We develop systematic geometric methods for studying the semi-classical properties of phase space path integrals for dynamical systems, emphasizing the relations with integrable and topological quantum field theories. Beginnin... | ['1996-08-14'] |
12,956 | ['eng'] | ['Abramyan, L A', 'Berezhiani, V I', 'Protogenov, A P'] | ['Collapse versus Turbulence'] | ['Particle Physics - Theory'] | ['field theory, Schroedinger', 'nonlinear', 'dimension, 3', 'gauge field theory, U(1)', 'Chern-Simons term', 'field equations, solution', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608069'] | ['We study the solutions of the equations of motion in the gauged (2+1)-dimensional nonlinear Schrödinger model. The contribution of Chern-Simons gauge fields leads to a significant decrease of the critical power of self-focusing. We also show that at appropriate boundary conditions in the considered model there exists... | ['1996-08-14'] |
12,957 | ['eng'] | ['Bordag, M', 'Kirsten, K', 'Elizalde, E', 'Leseduarte, S'] | ['Casimir energies for massive fields in the bag'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'bag model', 'energy, ground state', 'energy, Casimir', 'regularization, zeta function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608071'] | ['The Casimir energy corresponding to a massive scalar field with Dirichlet boundary conditions on a spherical bag is obtained. The field is considered, separately, inside and outside the bag. The renormalization procedure that is necessary to apply in each situation is studied in detail, in particular the differences ... | ['1996-08-14'] |
12,958 | ['eng'] | ['Antonov, D V', 'Ebert, D'] | ['An action of the gluodynamics string from the Wilson loop expansion'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'string model', 'effective action', 'Wilson loop', 'mass spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608072'] | ['The nonabelian Stokes theorem, representing a Wilson loop as an integral over all the orientations in colour space, and the cumulant expansion are used for derivation of the string effective action in SU(2) gluodynamics. The obtained theory is the theory of the rigid string interacting with the rank two antisymmetric... | ['1996-08-14'] |
12,959 | ['eng'] | ['Coceal, O', 'Sabra, W A', 'Thomas, S'] | ['Strings And Dyonic Plasmas'] | ['Particle Physics - Theory'] | ['string model', 'magnetic field', 'model, hydrodynamical', 'field theory, dyon', 'plasma, dyon', 'charge, electric', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608073'] | ['Recently Olesen has shown the existence of dual string solutions to the equations of ideal Magnetohydrodynamics that describe the long wavelength properties of electrically charged plasmas. Here, we extend these solutions to include the case of plasmas consisting of point like dyons, which carry both electric and mag... | ['1996-08-14'] |
12,960 | ['eng'] | ['Roy, B L'] | ['$Z_n^3$-graded colored supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'supersymmetry, representation', 'algebra, Z(N)**3', 'algebra, Grassmann'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608074'] | ['We build generalizations of the Grassmann algebras from a few simple assumptions which are that they are graded, maximally symmetric and contain an ordinary Grassmann algebra as a subalgebra. These algebras are graded by Z_{n}^{3} and display surprising properties that indicate their possible application to the model... | ['1996-08-14'] |
12,961 | ['eng'] | ['Sabra, W A', 'Thomas, S', 'Vanegas, N'] | ['Symplectic Embeddings, the Prepotentials and Automorphic Functions of $SU(1, n)\\over U(1)\\otimes SU(n)$'] | ['Particle Physics - Theory'] | ['potential, prepotential', 'space-time, Kaehler', 'coset space, SU(1,n)/(U(1) x SU(n))', 'differential geometry, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608075'] | ['The holomorphic homogeneous prepotential encoding the special geometry of the special Kähler manifolds ${\\textstyle SU(1,n)\\over \\textstyle U(1)\\otimes SU(n)}$ is constructed using the symplectic embedding of the isometry group $SU(1,n)$ into $Sp(2n+2,{\\hbox{\\bf R}})$. Also the automorphic functions of these ma... | ['1996-08-14'] |
12,962 | ['eng'] | ['Esposito, G'] | ['Local Boundary Conditions in Quantum Supergravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'supergravity', 'space-time', 'boundary condition', 'postulated particle, gravitino', 'perturbation theory, higher-order', 'field theory, finite'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608076'] | ['When quantum supergravity is studied on manifolds with boundary, one may consider local boundary conditions which fix on the initial surface the whole primed part of tangential components of gravitino perturbations, and fix on the final surface the whole unprimed part of tangential components of gravitino perturbatio... | ['1996-08-14'] |
12,963 | ['eng'] | ['Ramond, P'] | ['Superalgebras in $N=1$ Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'supersymmetry, algebra', 'fermion, flavor', 'algebra, W(N)', 'charge, topological', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608077'] | ['$N=1$ supersymmetric gauge theories with global flavor symmetries contain a gauge invariant W-superalgebra which acts on its moduli space of gauge invariants. With adjoint matter, this superalgebra reduces to a graded Lie algebra. When the gauge group is $SO(n_c)$, with vector matter, it is a W-algebra, and the prima... | ['1996-08-14'] |
12,964 | ['eng'] | ['Boer, J', 'Skenderis, K'] | ['Covariant Computation of the Low Energy Effective Action of the Heterotic Superstring'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'supersymmetry, superspace', 'effective action', 'perturbation theory, higher-order', 'invariance, conformal', 'operator, algebra', 'supergravity', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608078'] | ["We derive the low energy effective action of the heterotic superstring in superspace. This is achieved by coupling the covariantly quantized Green-Schwarz superstring of Berkovits to a curved background and requiring that the sigma model has superconformal invariance at tree level and at one loop in $\\a'$. Tree leve... | ['1996-08-14'] |
12,965 | ['eng'] | ['Gandenberger, G M', 'Kay, N J M'] | ['Remarks on excited states of affine Toda solitons'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'field theory, affine', 'dimension, 2', 'field theory, soliton', 'perturbation theory', 'mass spectrum', 'S-matrix'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608055'] | ['The identification in affine Toda field theory of the quantum particle with the lowest breather allows us to re-interpret discrete modes of excitation of solitons as breathers bound to solitons, and thus to investigate them through the soliton-breather S-matrices. There are implications for the physical spectrum and ... | ['1996-08-12'] |
12,966 | ['eng'] | ['Mostafazadeh, A'] | ['Adiabatic Geometrical Phase for Scalar Fields in a Curved Spacetime'] | ['Particle Physics - Theory'] | ['space-time', 'electromagnetic field', 'fermion, relativistic', 'Berry phase'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608051'] | ["A convenient framework is developed to generalize Berry's investigation of the adiabatic geometrical phase for a classical relativistic charged scalar field in a curved background spacetime which is minimally coupled to electromagnetism and an arbitrary (non-electromagnetic) scalar potential. The general formalism wh... | ['1996-08-12'] |
12,967 | ['eng'] | ['Blum, J D'] | ['F Theory Orientifolds, M Theory Orientifolds, and Twisted Strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'boundary condition', 'field theory, orientifold', 'field theory, F-theory', 'field theory, M-theory', 'duality', 'geometry, algebra', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608053'] | ["Orientifolds of the type IIB superstring that descend from F theory and M theory orbifolds are studied perturbatively. One finds strong evidence that a previously ignored twisted open string is required in these models. An attempt is made to interpret the $J$ type torsion in F theory where one finds a realization of ... | ['1996-08-12'] |
12,968 | ['eng'] | ['Ito, K', 'Sasakura, N'] | ['Exact and microscopic one-instanton calculations in N=2 supersymmetric Yang-Mills theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, instanton', 'effective action', 'potential, prepotential', 'group theory, Lie', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608054'] | ['We study the low-energy effective theory in N=2 super Yang-Mills theories by microscopic and exact approaches. We calculate the one-instanton correction to the prepotential for any simple Lie group from the microscopic approach. We also study the Picard-Fuchs equations and their solutions in the semi- classical regim... | ['1996-08-12'] |
12,969 | ['eng'] | ['Elizalde, E'] | ['Complete determination of the singularity structure of zeta functions'] | ['Particle Physics - Theory'] | ['regularization, zeta function', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608056'] | ['Series of extended Epstein type provide examples of non-trivial zeta functions with important physical applications. The regular part of their analytic continuation is seen to be a convergent or an asymptotic series. Their singularity structure is completely determined in terms of the Wodzicky residue in its generali... | ['1996-08-12'] |
12,970 | ['eng'] | ['Fosco, C D', 'Schaposnik, F A'] | ['Bosonization of Vector and Axial-Vector Currents in 3+1 Dimensions'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'field theory, vector', 'field theory, axial-vector', 'path integral', 'current algebra', 'bosonization', 'anomaly, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608057'] | ['The bosonization of a massless fermionic field coupled to both vector and axial-vector external sources is developed, following a path-integral approach. The resulting bosonized theory contains two antisymmetric tensor fields whose actions consist of non-local Kalb-Ramond-like terms plus interactions. Exact bosonizat... | ['1996-08-12'] |
12,971 | ['eng'] | ['Cheng, H', 'Li, S P'] | ['How to treat $\\gamma_5$'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, chiral', 'anomaly', 'Higgs particle', 'Ward identity', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608058'] | ['In this paper, we present a method to perform renormalized perturbation calculations to gauge theories with chiral fermions. We find it proper to focus directly on the Ward-Takahashi identities, relegating dimensional regularization into a supplementary and secondary role. We show with the example of the Abelian-Higg... | ['1996-08-12'] |
12,972 | ['eng'] | ['Behrndt, K', 'Kallosh, R', 'Rahmfeld, J', 'Shmakova, M', 'Wong, W K'] | ['STU Black Holes and String Triality'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, Calabi-Yau', 'potential, prepotential', 'nonperturbative', 'triviality', 'duality', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608059'] | ['We found double-extreme black holes associated with the special geometry of the Calabi-Yau moduli space with the prepotential F=STU. The area formula is STU-moduli independent and has ${[SL(2, {\\bf Z})]}^3$ symmetry in space of charges. The dual version of this theory without prepotential treats the dilaton S asymme... | ['1996-08-12'] |
12,973 | ['eng'] | ['Harano, T', 'Sato, M'] | ['Multi-instanton calculus versus exact results in N=2 supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'field theory, instanton', 'fermion, flavor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608060'] | ['Microscopic tests of the exact results are performed in $N=2$ supersymmetric $SU(2)$ QCD. We present the complete construction of the multi-instanton in $N=2$ supersymmetric QCD. All the defining equations of the super instanton are reduced to the algebraic equations. Using this result, we calculate the two-instanton... | ['1996-08-12'] |
12,974 | ['eng'] | ['Bars, Itzhak'] | ['Algebraic Structure of S-Theory'] | ['Particle Physics - Theory'] | ['talk, Moscow 1996/05/20', 'talk, Santa Barbara 1996/07/15', 'supersymmetry, algebra', 'field theory, soliton', 'hidden symmetry', 'field theory, S-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608061'] | ['The algebraic structure of S-Theory and its representations are described. This structure includes up to 13 hidden dimensions. It implies the existence of an SO(10,2) covariant supergravity theory as a limit of the secret theory behind string theory. The black hole entropy is invariant under transformations including... | ['1996-08-12'] |
12,975 | ['eng'] | ['Itakura, K'] | ['Dynamical Symmetry Breaking in Light-Front Gross-Neveu Model'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 2', 'symmetry, dynamically broken', 'quantization, light front', 'constraint, solution', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608062'] | ["We investigate dynamical symmetry breaking of the Gross-Neveu model in the light-front formalism without introducing auxiliary fields. While this system cannot have zero-mode constraints, we find that a nontrivial solution to the constraint on nondynamical spinor fields is responsible for symmetry breaking. The fermi... | ['1996-08-12'] |
12,976 | ['eng'] | ['Gannon, T'] | ['$U(1)^m$ modular invariants, N=2 minimal models, and the quantum Hall effect'] | ['Particle Physics - Theory'] | ['dimension, 2', 'Hall effect', 'algebra, U(1)**N', 'partition function', 'invariance, modular', 'algebra, affine', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608063'] | ["The problem of finding all possible effective field theories for the quantum Hall effect is closely related to the problem of classifying all possible modular invariant partition functions for the algebra $u(1)^m$, as was argued recently by Cappelli and Zemba. This latter problem is also a natural one from the perspe... | ['1996-08-12'] |
12,977 | ['eng'] | ['Bender, C M', 'Milton, K A'] | ['Nonperturbative calculation of symmetry breaking in quantum field theory'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry breaking', 'nonperturbative', 'perturbation theory, delta expansion', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608048'] | ['A new version of the delta expansion is presented, which, unlike the conventional delta expansion, can be used to do nonperturbative calculations in a self-interacting scalar quantum field theory having broken symmetry. We calculate the expectation value of the scalar field to first order in delta, where delta is a m... | ['1996-08-09'] |
12,978 | ['eng'] | ['Fujiwara, T', 'Igarashi, H', 'Takimoto, Y'] | ['Quantum Exchange Algebra and Locality in Liouville Theory'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'dimension, 2', 'quantization', 'Hamiltonian formalism', 'quantum algebra, exchange', 'commutation relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608040'] | ['Exact operator solution for quantum Liouville theory is investigated based on the canonical free field. Locality, the field equation and the canonical commutation relations are examined based on the exchange algebra hidden in the theory. The exact solution proposed by Otto and Weigt is shown to be correct to all orde... | ['1996-08-09'] |
12,979 | ['eng'] | ['Hwang, J'] | ['Structure Formation in a String Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'spectra, density', 'space-time, fluctuation', 'field theory, dilaton', 'cosmic radiation, anisotropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608041'] | ['We calculate the density spectrum generated in a version of string cosmology termed pre-big bang scenario. The large scale structures are originated from quantum fluctuations of the metric and dilaton field during pole-like acceleration stage driven by a potential-less dilaton field realized in the low-energy effecti... | ['1996-08-09'] |
12,980 | ['eng'] | ['Saller, H'] | ['The Coupling Constants and Masses of the Standard Model as Symmetry Normalizations'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'hypercharge', 'isospin', 'coupling constant', 'Higgs model', 'mass, ground state', 'group theory, representation', 'Weinberg angle', 'gauge field theory, SU(2)', 'model, oscillator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608042'] | ['The numerical input for the quantitative consequences of the electroweak standard model, the hypercharge and isospin coupling constants and the Higgs field ground state mass value, are interpreted as normalizations of the symmetries involved. Using an additional statistical argument, a first order quantitative determ... | ['1996-08-09'] |
12,981 | ['eng'] | ['Heinzl, T'] | ['Fermion Condensates and the Trivial Vacuum of Light-Cone Quantum Field Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'light cone gauge', 'fermion, condensation', 'symmetry, dynamically broken', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608043'] | ['We discuss the definition of condensates within light-cone quantum field theory. As the vacuum state in this formulation is trivial, we suggest to abstract vacuum properties from the particle spectrum. The latter can in principle be calculated by solving the eigenvalue problem of the light-cone Hamiltonian. We focus ... | ['1996-08-09'] |
12,982 | ['eng'] | ['Intriligator, K', 'Thomas, S'] | ['Dual Descriptions of Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, dynamically broken', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608046'] | ['Dynamical supersymmetry breaking is considered in models which admit descriptions in terms of electric, confined, or magnetic degrees of freedom in various limits. In this way, a variety of seemingly different theories which break supersymmetry are actually inter-related by confinement or duality. Specific examples a... | ['1996-08-09'] |
12,983 | ['eng'] | ['Ortín, Tomas'] | ['Massive and Massless Supersymmetric Black Holes'] | ['Particle Physics - Theory'] | ['talk, Trieste 1996/03/18', 'supergravity', 'field equations, solution', 'black hole, massive', 'black hole, massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608044'] | ["We review some recent work on the existence and classification of extreme black-hole-type solutions in N=8 supergravity. For the black holes considered (those that are also solutions of N=4 supergravity and of the Einstein-Maxwell-dilaton theory with coupling a) a complete classification is achieved: the only possibl... | ['1996-08-09'] |
12,984 | ['eng'] | ['Sonoda, H'] | ['Understanding Chiral Anomaly in Coordinate Space'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion, flavor', 'anomaly, chiral', 'current, n-point function', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608050'] | ['By completing the old discussion of K.~Wilson, we express the chiral anomaly in terms of a double integral of a three-point function of chiral currents over an arbitrarily small region in the coordinate space. An integrability condition provides an important finite local counterterm to the integral.'] | ['1996-08-09'] |
12,985 | ['eng'] | ['Barrow, John D', 'Kunze, K E'] | ['Spatially Homogeneous String Cosmologies'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'field theory, tensor', 'astrophysics, model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608045'] | ["We determine the most general form of the antisymmetric $H$-field tensor that is admitted by all possible spatially homogeneous cosmological models in 3+1-dimensional low-energy bosonic string theory. The maximum number of components of the $H$ field that are left arbitrary is found for each homogeneous cosmology def... | ['1996-08-09'] |
12,986 | ['eng'] | ['Minahan, J A', 'Nemeschansky, D D'] | ['An N=2 Superconformal Fixed Point with $E_6$ Global Symmetry'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry', 'approximation, strong coupling', 'symmetry, E(6)', 'field theory, F-theory', 'group theory, representation', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608047'] | ['We obtain the elliptic curve corresponding to an $N=2$ superconformal field theory which has an $E_6$ global symmetry at the strong coupling point for this theory. This differential has 27 poles corresponding to the fundamental representation of $E_6$. The complex conjugate representation has its poles on the other s... | ['1996-08-09'] |
12,987 | ['eng'] | ['Leite, M M', 'Rivelles, V O'] | ['Black Holes in the Gauge Theoretic Formulation of Dilatonic Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, dilaton', 'gauge field theory, BF', 'dimension, 2', 'field theory, topological', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608049'] | ['We show that two-dimensional topological BF theories coupled to particles carrying non-Abelian charge admit a new coupling involving the Lagrange multiplier field. When applied to the gauge theoretic formulation of dilatonic gravity it gives rise to a source term for the gravitational field. We show that the system a... | ['1996-08-09'] |
12,988 | ['eng'] | ['Ghoroku, K', 'Kaneko, K'] | ['Effective Potential in String Induced Action'] | ['Particle Physics - Theory'] | ['space-time', 'gauge field theory, U(1)', 'Born-Infeld model', 'field theory, scalar', 'effective action', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608032'] | ['The dynamical properties of the gauge theory of Born-Infeld type action, which is expected as the high-energy effective theory, are investigated by adding a complex scalar field to this gauge system. Especially the Coleman-Weinberg mechanism is addressed in this theory.'] | ['1996-08-08'] |
12,989 | ['eng'] | ['Ward, R S'] | ["Bogomol'nyi Bounds for Two-Dimensional Lattice Systems"] | ['Particle Physics - Theory'] | ['lattice field theory', 'dimension, 2', 'sigma model, O(3)', 'Higgs model, abelian', 'energy, lower limit', 'topology', 'field equations, instanton', 'field equations, soliton', 'vortex, stability', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608033'] | ["The O(3) sigma model and abelian Higgs model in two space dimensions admit topological (Bogomol'nyi) lower bounds on their energy. This paper proposes lattice versions of these systems which maintain the Bogomol'nyi bounds. One consequence is that instantons/solitons/vortices on the lattice then have a high degree of... | ['1996-08-08'] |
12,990 | ['eng'] | ['Kiritsis, Elias B', 'Kounnas, Costas', 'Petropoulos, P M', 'Rizos, J'] | ['Universality properties of N=2 and N=1 Heterotic threshold corrections'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'field theory, orbifold', 'ground state', 'universality', 'effective action', 'perturbation theory, higher-order', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608034'] | ['In the framework of heterotic compactifications, we consider the one-loop corrections to the gauge couplings, which were shown to be free of any infra-red ambiguity. For a class of N=2 models, namely those that are obtained by toroidal compactification to four dimensions of generic six-dimensional N=1 ground states, ... | ['1996-08-08'] |
12,991 | ['eng'] | ['Pauli, H C'] | ['Solving Gauge Field Theory by Discretized Light-Cone Quantization'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'quantization', 'Hamiltonian formalism', 'light cone gauge', 'effective action', 'propagator', 'perturbation theory, higher-order', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608035'] | ['The canonical front form Hamiltonian for non-Abelian SU(N) gauge theory in 3+1 dimensions is mapped on an effective Hamiltonian which acts only in the Fock space of one quark and one antiquark. The approach is non-perturbative and exact. It is based on Discretized Light-Cone Quantization and the Method of Iterated Re... | ['1996-08-08'] |
12,992 | ['eng'] | ['Toppan, F'] | ['On "Bosonic, Fermionic and Mixed" Supersymmetric 2-Dimensional Integrable Models'] | ['Particle Physics - Theory'] | ['talk, Alushta 1996/05/13', 'Kadomtsev-Petviashvili equation', 'field theory, Toda', 'dimension, 2', 'supersymmetry', 'differential equations, hierarchy', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608036'] | ['It is shown that supersymmetric integrable models in two dimensions, both relativistic (i.e. super-Toda type theories) and non-relativistic (reductions of super-KP hierarchies) can be associated to general Poisson-brackets structures given by superaffinizations of any bosonic Lie or any super-Lie algebra. This result... | ['1996-08-08'] |
12,993 | ['eng'] | ['Karczewska, D', 'Manka, R'] | ['Baryogenesis and phase transition in the standard model'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'critical phenomena', 'field equations, sphaleron', 'field theory, dilaton', 'Higgs model', 'gauge field theory, SU(2) x U(1)', 'baryon, production', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608037'] | ['The sphaleron type solution in the electroweak theory, generalized to include the dilaton field, is examined. The solutions describe both the variarions of Higgs and Gauge fields inside the sphaleron and the shape of the dilaton cloud surrounding the sphaleron. Such a cloud is large and extends far outside. These phe... | ['1996-08-08'] |
12,994 | ['eng'] | ['Greene, Brian R', 'Morrison, Douglas Robert Ogston', 'Vafa, C'] | ['A Geometric Realization of Confinement'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification', 'effective action', 'field theory, Calabi-Yau', 'moduli space', 'Higgs model', 'membrane model, p-brane', 'model, flux tube', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608039'] | ['We study the geometric realization of the Higgs phenomenon in type II string compactifications on Calabi--Yau manifolds. The string description is most directly phrased in terms of confinement of magnetic flux, with magnetic charged states arising from D-branes wrapped around chains as opposed to cycles. The rest of ... | ['1996-08-08'] |
12,995 | ['eng'] | ['Haga, K', 'Igarashi, H', 'Okuyama, K', 'Suzuki, H'] | ['Comment on Pauli-Villars Lagrangian on the Lattice'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, chiral', 'lattice field theory, continuum limit', 'regularization, Pauli-Villars', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608025'] | ["It is interesting to superimpose the Pauli--Villars regularization on the lattice regularization. We illustrate how this scheme works by evaluating the axial anomaly in a simple lattice fermion model, the Pauli--Villars Lagrangian with a gauge non-invariant Wilson term. The gauge non-invariance of the axial anomaly, ... | ['1996-08-07'] |
12,996 | ['eng'] | ['Rama, S K'] | ['Singularity Free (Homogeneous Isotropic) Universe in Graviton-Dilaton Models'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, dilaton', 'astrophysics, model', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608026'] | ['We present a class of graviton-dilaton models in which a homogeneous isotropic universe, such as our observed one, evolves with no singularity at any time. Such models may stand on their own as interesting models for singularity free cosmology, and may be studied further accordingly. They may also arise from string t... | ['1996-08-07'] |
12,997 | ['eng'] | ['Klauder, J R', 'Shabanov, S V'] | ['Coordinate-free quantization of first-class constrained systems'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism', 'path integral, measure', 'propagator', 'coherent state', 'dependence, gauge', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608027'] | ['The coordinate-free formulation of canonical quantization, achieved by a flat-space Brownian motion regularization of phase-space path integrals, is extended to a special class of closed first-class constrained systems that is broad enough to include Yang-Mills type theories with an arbitrary compact gauge group. Cen... | ['1996-08-07'] |
12,998 | ['eng'] | ['Mahapatra, S'] | ['String propagation in four-dimensional dyonic black hole background'] | ['Particle Physics - Theory'] | ['space-time', 'black hole', 'field theory, dyon', 'string model', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608028'] | ['We study string propagation in an exact, four-dimensional dyonic black hole background. The general solutions describing string configurations are obtained by solving the string equations of motion and constraints. By using the covariant formalism, we also investigate the propagation of physical perturbations along t... | ['1996-08-07'] |
12,999 | ['eng'] | ["D'Olivo, J C", 'Torres, M', 'Tututi, E S'] | ['QED symmetries in real-time thermal field theory'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'fermion', 'path integral', 'transformation, gauge', 'symmetry, Z(2)', 'n-point function', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9608029'] | ['We study the discrete and gauge symmetries of Quantum Electrodynamics at finite temperature within the the real-time formalism. The temperature dependent contributions to the effective two component Lagrangian are shown to be gauge dependent. However, the complete generating functional is gauge independent, condition... | ['1996-08-07'] |
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