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 |
|---|---|---|---|---|---|---|---|---|
8,100 | ['eng'] | ['Obukhov, Yu N', 'Hehl, F W'] | ['Black Holes in Two Dimensions'] | ['Particle Physics - Theory'] | ['talk, Bad Honnef 1997/08/18', 'black hole', 'dimension, 2', 'string model', 'gravitation, dilaton', 'gravitation, Poincare', 'torsion', 'integrability', 'vacuum state', 'matter', 'differential geometry', 'effective Lagrangian', 'field equations, solution', 'space-time, Riemann-Cartan'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807101'] | ["Models of black holes in (1+1)-dimensions provide a theoretical laboratory for the study of semi-classical effects of realistic black holes in Einstein's theory. Important examples of two-dimensional models are given by string theory motivated dilaton gravity, by ordinary general relativity in the case of spherical s... | ['1998-07-15'] |
8,101 | ['eng'] | ['Hawking, Stephen William', 'Reall, H S'] | ['Inflation, Singular Instantons and Eleven Dimensional Cosmology'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'spontaneous compactification', 'effective action', 'field theory, scalar', 'potential', 'inflationary universe', 'instanton, singularity', 'dimensional reduction', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807100'] | ['We investigate cosmological solutions of eleven dimensional supergravity compactified on a squashed seven manifold. The effective action for the four dimensional theory contains scalar fields describing the size and squashing of the compactifying space. The potential for these fields consists of a sum of exponential ... | ['1998-07-15'] |
8,102 | ['eng'] | ['Bros, J', 'Buchholz, D A'] | ['Towards a Relativistic KMS Condition'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'finite temperature', 'correlation function', 'analytic properties', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807099'] | ['It is shown that, under quite general conditions, thermal correlation functions in relativistic quantum field theory have stronger analyticity properties in configuration space than those imposed by the KMS-condition. These analyticity properties may be understood as a remnant of the relativistic spectrum condition i... | ['1998-07-15'] |
8,103 | ['eng'] | ["D'Hoker, E", 'Freedman, Daniel Z', 'Skiba, W'] | ['Field Theory Tests for Correlators in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'field theory, conformal', 'space-time, anti-de Sitter', 'correlation function', 'supersymmetry', 'radiative correction', 'vertex function', 'perturbation theory, higher-order', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807098'] | ['The order g^2 radiative corrections to all 2- and 3-point correlators of the composite primary operators Tr X^k are computed in {\\cal N} = 4 supersymmetric Yang-Mills theory with gauge group SU(N). Corrections are found to vanish for all N. For k=2 this is a consequence of known superconformal nonrenormalization the... | ['1998-07-15'] |
8,104 | ['eng'] | ['Liu, H', 'Tseytlin, Arkady A'] | ['On Four-point Functions in the CFT/AdS Correspondence'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, anti-de Sitter', 'field theory, conformal', 'expansion, partial wave', 'boundary condition', 'n-point function, 4', 'photon, propagator', 'graviton, propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807097'] | ["We discuss the properties of four-point functions in the context of the correspondence between a classical supergravity theory in the bulk of the Anti de Sitter space and quantum conformal field theory at the boundary. The contribution to a four-point function from the exchange of a scalar field of arbitrary mass in ... | ['1998-07-15'] |
8,105 | ['eng'] | ['Mayr, Peter'] | ['Geometric Construction of N=2 Gauge Theories'] | ['Particle Physics - Theory'] | ['lectures, Neuchatel 1997/09/18', 'string model, interaction', 'supersymmetry', 'membrane model, D-brane', 'spontaneous compactification', 'gauge field theory, Yang-Mills', 'dimension, 4-6', 'Seiberg-Witten model', 'geometry, algebra', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807096'] | ['In this lecture we give an elementary introduction to the natural realization of non-perturbative N=2 quantum field theories as a low energy limit of classical string theory. We review a systematic construction of six, five, and four dimensional gauge theories using geometrical data, which provides the exact, non-per... | ['1998-07-15'] |
8,106 | ['eng'] | ['Van den Broeck, C'] | ['The rigid limit in Special Kähler geometry for SU(2) SYM with a massive quark hypermultiplet'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, multiplet', 'spontaneous compactification', 'field theory, Kaehler', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807095'] | ['We study the rigid limit of type IIB string theory, compactified on a K3 fibration, which, near its conifold limit, contains the Seiberg-Witten curve for N=2 SU(2) Super-Yang-Mills with a massive hypermultiplet in the fundamental representation. Instead of working with an ALE approximation, we treat the K3 fibration ... | ['1998-07-15'] |
8,107 | ['eng'] | ['Dorn, H', 'Otto, H J'] | ['$Q\\bar Q$ potential from AdS-CFT relation at $T\\geq $0'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, 10', 'space-time, sphere', 'space-time, anti-de Sitter', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'finite temperature', 'Wilson loop', 'field theory, conformal', 'quark antiquark, potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807093'] | ['Within the classical approximation we calculate the static $Q\\bar Q$ potential via the AdS/CFT relation for nonzero temperature and arbitrary internal orientation of the quarks. We use a higher order curvature corrected target space background. For timelike Wilson loops there arises a critical line in the orientatio... | ['1998-07-15'] |
8,108 | ['eng'] | ['Freidel, L', 'Krasnov, K V'] | ['Spin Foam Models and the Classical Action Principle'] | ['Particle Physics - Theory'] | ['field theory, BF', 'path integral', 'perturbation theory', 'model, spin', 'gauge field theory, Yang-Mills', 'dimension, 2-4', 'quantum gravity', 'astrophysics, fundamental constant', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807092', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ['We propose a new systematic approach that allows one to derive the spin foam (state sum) model of a theory starting from the corresponding classical action functional. It can be applied to any theory whose action can be written as that of the BF theory plus a functional of the B field. Examples of such theories inclu... | ['1998-07-14'] |
8,109 | ['eng'] | ['Gaberdiel, M R', 'Kausch, H G'] | ['A Local Logarithmic Conformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'boson', 'fermion, symplectic', 'correlation function', 'operator product expansion', 'analytic properties', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807091'] | ['The local logarithmic conformal field theory corresponding to the triplet algebra at c=-2 is constructed. The constraints of locality and crossing symmetry are explored in detail, and a consistent set of amplitudes is found. The spectrum of the corresponding theory is determined, and it is found to be modular invaria... | ['1998-07-14'] |
8,110 | ['eng'] | ['Ferrara, Sergio', 'Zaffaroni, A'] | ['Bulk Gauge Fields in AdS Supergravity and Supersingletons'] | ['Particle Physics - Theory'] | ['talk, Santa Barbara 1998/06/22', 'gauge field theory, Yang-Mills', 'field theory, conformal', 'space-time, anti-de Sitter', 'supergravity', 'operator, conformal', 'multiplet', 'supersymmetry', 'string model', 'operator product expansion', 'propagator', 'n-point function', 'mass, graviton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807090'] | ["We describe conformal operators living at the boundary of $AdS_{d+1}$ in a general setting. Primary conformal operators at the threshold of the unitarity bounds of UIR's of O(d,2) correspond to singletons and massless fields in $AdS_{d+1}$, respectively. For maximal supersymmetric theories in $AdS_{d+1}$ we describe ... | ['1998-07-14'] |
8,111 | ['eng'] | ['Lee, C Y', 'Neeman, Y'] | ['Massive Vector Gauge Theory and Comparison with Higgs-Connes-Lott'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2) x U(1)', 'gauge field theory, massive', 'unified field theory', 'Higgs model', 'differential forms', 'differential geometry, noncommutative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807089'] | ['A massive vector gauge theory constructed from the matrix derivative approach of noncommutative geometry is compared with the Higgs-Connes-Lott theory. In the massive vector gauge theory, a new extra shift-like symmetry which is due to the one form constant matrix derivative allows the theory to have a mass term whil... | ['1998-07-14'] |
8,112 | ['eng'] | ['Häussling, R', 'Kraus, E', 'Sibold, K'] | ['Gauge parameter dependence in the background field gauge and the construction of an invariant charge'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'gauge field theory, SU(N)', 'fermion, massless', 'background field', 'renormalization group', 'perturbation theory, higher-order', 'n-point function', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807088'] | ['By using the enlarged BRS transformations we control the gauge parameter dependence of Green functions in the background field gauge. We show that it is unavoidable -- also if we consider the local Ward identity -- to introduce the normalization gauge parameter $\\xi_o$, which enters the Green functions of higher ord... | ['1998-07-14'] |
8,113 | ['eng'] | ['Moore, G'] | ['Arithmetic and Attractors'] | ['Particle Physics - Theory'] | ['number theory', 'black hole', 'supersymmetry', 'duality', 'field theory, conformal', 'field theory, rational', 'attractor', 'spontaneous compactification', 'mass spectrum, BPS', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807087'] | ["We study relations between some topics in number theory and supersymmetric black holes. These relations are based on the ``attractor mechanism'' of N=2 supergravity. In IIB string compactification this mechanism singles out certain ``attractor varieties.'' We show that these attractor varieties are constructed from p... | ['1998-07-14'] |
8,114 | ['eng'] | ['Ogawa, N'] | ['A Note on the scale symmetry and Noether current'] | ['Particle Physics - Theory'] | ['invariance, conformal', 'field theory, scalar', 'current, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807086'] | ['Usually we consider the symmetry of action as the symmetry of the theory, however, in the Keplar problem the scaling symmetry existing in equa tion of motion is not the ones for action. It changes the multiplicative constan t of action and the time boundary. From this fact we obtain the general theorem that fo r the ... | ['1998-07-14'] |
8,115 | ['eng'] | ['Matsuo, Y'] | ['Matrix Theory, Hilbert Scheme and Integrable System'] | ['Particle Physics - Theory'] | ['quantization, 2', 'Hamiltonian formalism', 'operator, algebra', 'Hilbert space', 'matrix model', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807085'] | ['We give a reinterpretation of the matrix theory discussed by Moore, Nekrasov and Shatashivili (MNS) in terms of the second quantized operators which describes the homology class of the Hilbert scheme of points on surfaces. It naturally relate the contribution from each pole to the inner product of orthogonal basis of... | ['1998-07-14'] |
8,116 | ['eng'] | ['Lin, F L', 'Soo, C P'] | ['Black hole in de Sitter space'] | ['Particle Physics - Theory'] | ['talk, Boston 1998/03/22', 'black hole, horizon', 'space-time, de Sitter', 'temperature', 'topology', 'selection rule', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807084'] | ['If cosmological constant is positive, a black hole is naturally described by the Schwarzschild-de Sitter solution with two horizons. We use the global method to extract the topological information and the selection rule for the Gibbons-Hawking temperature for the thermal vacua. These are related to the Euler number o... | ['1998-07-14'] |
8,117 | ['eng'] | ['Tkach, V I', 'Rosales, J J', 'Socorro, J'] | ['Supersymmetric FRW model and the ground state of supergravity'] | ['Particle Physics - Theory'] | ['Friedman model', 'space-time, Robertson-Walker', 'supersymmetry, superfield', 'supergravity, ground state', 'vacuum state', 'field theory, scalar', 'potential, Kaehler', 'quantum mechanics', 'supersymmetry, spontaneously broken', 'Lagrangian formalism', 'Hamiltonian formalism', 'quantization', 'astrophysics, wave fun... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807083'] | ['In this work we construct the vacuum configuration of supergravity interacting with homogeneous complex scalar matter fields. The corresponding configuration is of the FRW model invariant under the $n=2$ local conformal time supersymmetry, which is a subgroup of the four dimensional space-time supersymmetry. We show,... | ['1998-07-13'] |
8,118 | ['eng'] | ['Leigh, Robert G', 'Rozali, M'] | ['Brane Boxes, Anomalies, Bending and Tadpoles'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'boundary condition', 'anomaly', 'gauge field theory, Yang-Mills', 'orbifold', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807082'] | ['Certain classes of chiral four-dimensional gauge theories may be obtained as the worldvolume theories of D5-branes suspended between networks of NS5-branes, the so-called brane box models. In this paper, we derive the stringy consistency conditions placed on these models, and show that they are equivalent to anomaly ... | ['1998-07-13'] |
8,119 | ['eng'] | ['Klebanov, Igor R', 'Witten, Edward'] | ['Superconformal Field Theory on Threebranes at a Calabi-Yau Singularity'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'field theory, Calabi-Yau', 'boundary condition', 'membrane model, p-brane', 'p-brane, 3', 'spontaneous compactification', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807080'] | ['Just as parallel threebranes on a smooth manifold are related to string theory on $AdS_5\\times {\\bf S}^5$, parallel threebranes near a conical singularity are related to string theory on $AdS_5\\times X_5$, for a suitable $X_5$. For the example of the conifold singularity, for which $X_5=(SU(2)\\times SU(2))/U(1)$,... | ['1998-07-13'] |
8,120 | ['eng'] | ['Binétruy, P', 'Deffayet, C', 'Dudas, E A', 'Ramond, P'] | ['Pseudo-anomalous U(1) symmetry in the strong coupling limit of the heterotic string'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, E(8) x E(8)', 'approximation, strong coupling', 'anomaly, U(1)', 'perturbation theory, higher-order', 'spontaneous compactification', 'membrane model, p-brane', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807079'] | ['We discuss, in the context of the strongly coupled E_8 \\times E_8 heterotic string proposed by Horava and Witten, the appearance of anomalous U(1)_X symmetries of a nonperturbative origin, related to the presence, after compactification, of five-branes in the five-dimensional bulk of the theory. We compute the gauge... | ['1998-07-13'] |
8,121 | ['eng'] | ['Dütsch, M', 'Fredenhagen, Klaus'] | ['A local (perturbative) construction of observables in gauge theories'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'interaction', 'quantum electrodynamics', 'operator, algebra', 'perturbation theory', 'transformation, Becchi-Rouet-Stora', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807078'] | ['Interacting fields can be constructed as formal power series in the framework of causal perturbation theory. The local field algebra ${\\cal F}({\\cal O})$ is obtained without performing the adiabatic limit; the (usually bad) infrared behavior plays no role. To construct the observables in gauge theories we use the K... | ['1998-07-13'] |
8,122 | ['eng'] | ['Lazzarini, S'] | ['Integrating the Chirally Split Diffeomorphism Anomaly on a Compact Riemann Surface'] | ['Particle Physics - Theory'] | ['talk, Montpellier 1998/01/12', 'quantum gravity', 'dimension, 2', 'path integral', 'anomaly, diffeomorphism', 'Riemann surfaces', 'differential forms, Beltrami', 'field theory, Liouville', 'background field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807077'] | ['A well-defined chirally split functional integrating the 2D chirally split diffeomorphism anomaly is exhibited on an arbitrary compact Riemann surface without boundary. The construction requires both the use of the Beltrami parametrisation of complex structures and the introduction of a background metric possibly sub... | ['1998-07-13'] |
8,123 | ['eng'] | ['Kachru, S', 'Kumar, J', 'Silverstein, E'] | ['Vacuum Energy Cancellation in a Non-supersymmetric String'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state, energy', 'astrophysics, fundamental constant', 'perturbation theory, higher-order', 'higher-order, 2', 'orbifold', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807076'] | ['We present a nonsupersymmetric orbifold of type II string theory and show that it has vanishing cosmological constant at the one and two loop level. We argue heuristically that the cancellation persists at higher loops.'] | ['1998-07-13'] |
8,124 | ['eng'] | ['Sidharth, B G'] | ['A Note on the Mass of the Neutrino'] | ['Particle Physics - Theory'] | ['neutrino, oscillation', 'neutrino, mass', 'neutrino, gas', 'thermodynamics', 'gravitation', 'interpretation of experiments, KAMIOKANDE'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807075'] | ['In the light of the recent Super-Kamiokande experiments which demonstrate neutrino oscillation, and therefore a non zero mass, it is pointed out how such a mass has also been deduced theoretically.'] | ['1998-07-13'] |
8,125 | ['eng'] | ['Sakamoto, J', 'Heike, Y'] | ['Bosonic Structure of a 2-Dimensional Fermion Model with Interaction among Different Speices'] | ['Particle Physics - Theory'] | ['fermion', 'path integral, determinant', 'Hamiltonian formalism', 'bosonization', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807073'] | ['We study a massive Thirring-like model in 2-dimensional space-time, which contains two different species of fermions. This model is a field theoretical version of the quantum mechanical model originally proposed by Glöckle, Nogami and Fukui, where different fermions interact with each other through bosonization techn... | ['1998-07-13'] |
8,126 | ['eng'] | ['McKeon, D G C', 'Schubert, C'] | ['A New Approach to Axial Vector Model Calculations, 1'] | ['Particle Physics - Theory'] | ['field theory, axial-vector', 'field theory, vector', 'fermion', 'effective action, Euclidean', 'anomaly', 'perturbation theory, higher-order', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807072'] | ['We consider the one-loop effective action due to a spinor loop coupled to an abelian vector and axial vector field background. After rewriting this effective action in terms of an auxiliary non-abelian gauge connection, we use the De Witt expansion to analyze both its anomalous and non-anomalous content. The same tra... | ['1998-07-10'] |
8,127 | ['eng'] | ['Danielsson, U H', 'Stjernberg, P', 'Kruczenski, M'] | ['Graviton scattering in an M-orientifold background'] | ['Particle Physics - Theory'] | ['supergravity', 'graviton, interaction', 'perturbation theory, higher-order', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807071'] | ['In this paper we study the scattering of gravitons off a five orientifold in eleven dimensions. We compare the supergravity result with a two loop M(atrix) model calculation and find exact agreement. The supergravity calculation involves nonlinear three graviton effects.'] | ['1998-07-10'] |
8,128 | ['eng'] | ['Verbaarschot, J J M'] | ['Characterization of Universal Behavior in QCD Dirac Spectra'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 1998/04/16', 'gauge field theory, SU(2)', 'fermion, flavor', 'correlation function', 'lattice field theory', 'matrix model, random', 'universality', 'numerical calculations, Monte Carlo', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807070'] | ['In this lecture we discuss correlations of the QCD Dirac eigenvalues. We find that below a scale of $E_c\\sim \\Lambda/L^2$ they are given by chiral Random Matrix Theory. This follows from analytical arguments based on partially quenched Chiral Perturbation Theory and is substantiated by lattice QCD and instanton liq... | ['1998-07-10'] |
8,129 | ['eng'] | ['Fadeev, L', 'Niemi, Antti J'] | ['Partially Dual variables in SU(2) Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'duality, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807069'] | ['We propose a reformulation of SU(2) Yang-Mills theory in terms of new variables. These variables are appropriate for describing the theory in its infrared limit, and indicate that it admits knotlike configurations as stable solitons. As a consequence we arrive at a dual picture of the Yang-Mills theory where the shor... | ['1998-07-10'] |
8,130 | ['eng'] | ['Thatcher, M J', 'Morgan, M J'] | ['Stability of string defects in models of non-Abelian symmetry breaking'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Higgs model', 'symmetry, spontaneously broken', 'string, defect', 'stability', 'field theory, monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807068'] | ['In this paper we describe a new type of topological defect, called a homilia string, which is stabilized via interactions with the string network. Using analytical and numerical techniques, we investigate the stability and dynamics of homilia strings, and their implications for cosmology. In SU(N) models of symmetry ... | ['1998-07-10'] |
8,131 | ['eng'] | ['Kiritsis, Elias B', 'Kounnas, Costas', 'Petropoulos, P M', 'Rizos, J'] | ['String Threshold corrections in models with spondaneously broken supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, spontaneously broken', 'threshold, correction', 'string model', 'universality', 'ground state, heterotic', 'moduli space', 'spontaneous compactification', 'coupling', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807067'] | ['We analyse a class of four-dimensional heterotic ground states with N=2 space-time supersymmetry. From the ten-dimensional perspective, such models can be viewed as compactifications on a six-dimensional manifold with SU(2) holonomy, which is locally but not globally K3 x T^2. The maximal N=4 supersymmetry is spontan... | ['1998-07-10'] |
8,132 | ['eng'] | ['Asakawa, T', 'Kugo, T', 'Takahashi, T'] | ['BRS Invariance of Unoriented Open-Closed String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, closed', 'string, open', 'invariance, Becchi-Rouet-Stora', 'field theory, action', 'operator, vertex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807066'] | ['We present the full action for the unoriented open-closed string field theory which is based on the \\alpha=p^+ HIKKO type vertices. The BRS invariance of the action is proved up to the terms which are expected to cancel the anomalous one-loop contributions. This implies that the system is invariant under the gauge t... | ['1998-07-10'] |
8,133 | ['eng'] | ['Doikou, A', 'Nepomechie, R I'] | ['Duality and quantum-algebra symmetry of the $A_{N-1}^{1}$ open spin chain with diagonal boundary fields'] | ['Particle Physics - Theory'] | ['model, spin', 'transfer matrix', 'Yang-Baxter equation', 'boundary condition', 'S-matrix', 'Bethe ansatz', 'quantum group, SU(N) x SU(M) x U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807065'] | ["We show that the transfer matrix of the A_{N-1}^(1) open spin chain with diagonal boundary fields has the symmetry U_q (SU(L)) x U_q (SU(N-L)) x U(1), as well as a ``duality'' symmetry which interchanges L and N - L. We exploit these symmetries to compute exact boundary S matrices in the regime with q real."] | ['1998-07-10'] |
8,134 | ['eng'] | ['Gustafsson, H Å', 'Lindström, U'] | ['A Picture of D-branes at Strong Coupling; 2, Spinning Partons'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'Born-Infeld model', 'strong coupling', 'supersymmetry', 'string model', 'model, parton', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807064'] | ["We study the Born-Infeld D-brane action in the limit when the string coupling goes to infinity. The resulting actions is presented in an arbitrary background and shown to describe a foliation of the world-volume by strings. Using a recently developed ``degenerate'' supergravity the parton picture is shown to be appli... | ['1998-07-10'] |
8,135 | ['eng'] | ['Brout, R', 'Gabriel, C', 'Lubo, M', 'Spindel, P'] | ['Mimimal Length Uncertainty Principle and the Transplanckian Problem of Black Hole Physics'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'uncertainty relations, length', 'commutation relations', 'radiation, Hawking', 'entropy', 'fluctuation', 'Hilbert space', 'effect, nonlocal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807063'] | ['The minimal length uncertainty principle of Kempf, Mangano and Mann (KMM), as derived from a mutilated quantum commutator between coordinate and momentum, is applied to describe the modes and wave packets of Hawking particles evaporated from a black hole. The transplanckian problem is successfully confronted in that ... | ['1998-07-10'] |
8,136 | ['eng'] | ['Masuda, T', 'Suzuki, H'] | ['Prepotentials, Bi-linear Forms on Periods and Enhanced Gauge Symmetries in Type-II Strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, Calabi-Yau', 'moduli space', 'differential forms', 'operator, differential', 'geometry, algebra', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807062'] | ["We construct a bi-linear form on the periods of Calabi-Yau spaces. These are used to obtain the prepotentials around conifold singularities in type-II strings compactified on Calabi-Yau space. The explicit construction of the bi-linear forms is achieved for the one-moduli models as well as two moduli models with K3-f... | ['1998-07-10'] |
8,137 | ['eng'] | ['Maslov, V P', 'Shvedov, O Y'] | ['Renormalization of the Semiclassical Hamiltonian Field Theory'] | ['Particle Physics - Theory'] | ['talk, Suzdal 1998/05/18', 'field theory, scalar', 'Hamiltonian formalism', 'renormalization', 'regularization', 'approximation, quasiclassical', 'operator, algebra', 'boundary condition', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807061'] | ['The Hamiltonian approach to the quantum field theory is considered. Since there are additional difficulties such as the Haag theorem and Stueckelberg divergences, renormalization of the time-dependent dynamical quantum field theory is much more complicated than renormalization of the S-matrix. It is necessary to cons... | ['1998-07-10'] |
8,138 | ['eng'] | ['Cornalba, L', 'Taylor, W'] | ['Holomorphic curves from matrices'] | ['Particle Physics - Theory'] | ['membrane model, boson', 'matrix model', 'geometry, algebra', 'quantization, geometrical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807060'] | ['Membranes holomorphically embedded in flat noncompact space are constructed in terms of the degrees of freedom of an infinite collection of 0-branes. To each holomorphic curve we associate infinite-dimensional matrices which are static solutions to the matrix theory equations of motion, and which can be interpreted a... | ['1998-07-09'] |
8,139 | ['eng'] | ['McKeon, D G C', 'Sachs, I', 'Shovkovy, I A'] | ['SU(2) Yang-Mills Theory with extended Supersymmetry in a Background Magnetic Field'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'magnetic field, background field', 'vacuum state', 'effective potential', 'duality', 'electromagnetic field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807059'] | ['The vacuum structure of N=2 (and N=4) SUSY Yang-Mills theory is analyzed in detail by considering the effective potential for constant background scalar- magnetic fields within different approximations. We compare the one-loop approximation with- or without instanton improved effective coupling with the one-loop resu... | ['1998-07-09'] |
8,140 | ['eng'] | ['Tkach, V I', 'Rosales, J J', 'Socorro, J'] | ['General scalar interaction in the supersymmetric FRW model'] | ['Particle Physics - Theory'] | ['Friedman model', 'space-time, Robertson-Walker', 'supersymmetry, spontaneously broken', 'multiplet, scalar', 'time, conformal', 'potential, scalar', 'potential, Kaehler', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807058'] | ['In this work we have constructed the most general action for a set of complex homogeneous scalar supermultiplets interacting with the scale factor in the supersymmetric FRW model. It is shown, that local conformal time supersymmetry leads to the scalar fields potential, which is defined in the same combination: super... | ['1998-07-09'] |
8,141 | ['eng'] | ['Moore, G'] | ['Attractors and Arithmetic'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification, Calabi-Yau', 'black hole', 'dyon', 'attractor', 'duality', 'field theory, conformal', 'field theory, rational', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807056'] | ["We consider attractor varieties arising in the construction of dyonic black holes in Calabi-Yau compactifications of IIB string theory. We show that the attractor varieties are constructed from products of elliptic curves with complex multiplication for $\\CN=4,8$ compactifications. The heterotic dual theories are re... | ['1998-07-09'] |
8,142 | ['eng'] | ['Grojean, C', 'Mourad, J'] | ['Superconformal 6D (2,0) theories in superspace'] | ['Particle Physics - Theory'] | ['supersymmetry, superspace', 'dimension, 6', 'transformation, conformal', 'vector, Killing', 'multiplet, tensor', 'sigma model', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807055'] | ['A geometrical construction of superconformal transformations in six dimensional (2,0) superspace is proposed. Superconformal Killing vectors are determined. It is shown that the transformation of the tensor multiplet involves a zero curvature non-trivial cochain.'] | ['1998-07-09'] |
8,143 | ['eng'] | ['Bigazzi, F', 'Lusanna, L'] | ['Dirac Fields on Spacelike Hypersurfaces, Their Rest-Frame Description and Dirac Observables'] | ['Particle Physics - Theory'] | ['field theory, Dirac', 'electromagnetic field', 'geometry', 'Coulomb gauge', 'space-time, Minkowski', 'field equations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807054'] | ['Grassmann-valued Dirac fields together with the electromagnetic field (the pseudoclassical basis of QED) are reformulated on spacelike hypersurfaces in Minkowski spacetime and then restricted to Wigner hyperplanes to get their description in the rest-frame Wigner-covariant instant form of dynamics. The canonical redu... | ['1998-07-09'] |
8,144 | ['eng'] | ['Karataeva, I Yu', 'Lyakhovich, S L'] | ['BRST-anti BRST covariant theory for the second class constrained systems'] | ['Particle Physics - Theory'] | ['invariance, Becchi-Rouet-Stora', 'algebra, constraint', 'symmetry, Sp(2) x Sp(2)', 'Hamiltonian formalism', 'unitarity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807053'] | ['The BRST-anti-BRST covariant extension is suggested for the split involution quantization scheme for the second class constrained theories. The constraint algebra generating equations involve on equal footing a pair of BRST charges for second class constraints and a pair of the respective anti-BRST charges. Formalism... | ['1998-07-09'] |
8,145 | ['eng'] | ['Bigazzi, F', 'Lusanna, L'] | ['Spinning Particles on Spacelike Hypersurfaces and their Rest-Frame Description'] | ['Particle Physics - Theory'] | ['particle, spin', 'Dirac equation, solution', 'electromagnetic field', 'coupling', 'potential', 'quantization', 'algebra, Grassmann', 'constraint', 'group theory, Poincare', 'group theory, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807052'] | ['A new spinning particle with a definite sign of the energy is defined on spacelike hypersurfaces after a critical discussion of the standard spinning particles. They are the pseudoclassical basis of the positive energy $({1\\over 2},0)$ [or negative energy $(0,{1\\over 2})$] parts of the $({1\\over 2},{1\\over 2})$ s... | ['1998-07-09'] |
8,146 | ['eng'] | ['Bremer, M S', 'Duff, Michael J', 'Lü, H', 'Pope, C N', 'Stelle, Kellogg S'] | ['Instanton Cosmology and Domain Walls from M-theory and String Theory'] | ['Particle Physics - Theory'] | ['instanton', 'domain wall', 'string model', 'M-theory', 'spontaneous compactification', 'supergravity', 'dimension, 11', 'astrophysics, fundamental constant', 'space, sphere', 'Kaluza-Klein model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807051'] | ['The recent proposal by Hawking and Turok for obtaining an open inflationary universe from singular instantons makes use of low-energy effective Lagrangians describing gravity coupled to scalars and non-propagating antisymmetric tensors. In this paper we derive some exact results for Lagrangians of this type, obtained... | ['1998-07-09'] |
8,147 | ['eng'] | ['Sorokin, D P'] | ['On Some Features of the M-5-Brane'] | ['Particle Physics - Theory'] | ['talk, Trieste 1998/04/01', 'talk, Paris 1998/05/01', 'M-theory', 'membrane model, p-brane', 'p-brane, 5', 'action', 'supergravity', 'field equations', 'Wess-Zumino term', 'supersymmetry, charge', 'dimension, 11'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807050'] | ['We review the structure and symmetry properties of the worldvolume action for the M-theory 5-brane and of its equations of motion.'] | ['1998-07-08'] |
8,148 | ['eng'] | ['Giovannini, M'] | ['Singularity free dilaton-driven cosmologies and pre-little-bang'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'coupling, dilaton', 'singularity', 'symmetry, rotational', 'regularization', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807049'] | ["There are no reasons why the singularity in the growth of the dilaton coupling should not be regularised, in a string cosmological context, by the presence of classical inhomogeneities. We discuss a class of inhomogeneous dilaton-driven models whose curvature invariants are all bounded and regular in time and space. ... | ['1998-07-08'] |
8,149 | ['eng'] | ['Jing, S', 'Nelson, C A'] | ['Eigenstates of Paraparticle Creation Operators'] | ['Particle Physics - Theory'] | ['boson, parastatistics', 'fermion, parastatistics', 'operator, energy eigenstate', 'coherent state', 'charge, conservation law', 'Hilbert space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807048'] | ['Eigenstates of the parabose and parafermi creation operators are constructed. In the Dirac contour representation, the parabose eigenstates correspond to the dual vectors of the parabose coherent states. In order $p=2$, conserved-charge parabose creation operator eigenstates are also constructed. The contour forms of... | ['1998-07-08'] |
8,150 | ['eng'] | ['Arutyunov, G E', 'Frolov, S A'] | ['Antisymmetric tensor field on $AdS_{5}$'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'field theory, massive', 'space-time, de Sitter', 'dimension, 5', 'two-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807046'] | ['By using the Hamiltonian version of the AdS/CFT correspondence, we compute the two-point Green function of a local operator in D=4 ${\\cal N}=4$ super Yang-Mills theory, which corresponds to a massive antisymmetric tensor field of the second rank on the $AdS_{5}$ background. We discuss the conformal transformations i... | ['1998-07-08'] |
8,151 | ['eng'] | ['Barashenkov, I V', 'Pelinovsky, D E'] | ['Exact vortex solutions of the complex sine-Gordon theory on the plane'] | ['Particle Physics - Theory'] | ['sine-Gordon equation', 'field equations, solution', 'vortex', 'Baecklund transformation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807045'] | ['We construct explicit multivortex solutions for the first and second complex sine-Gordon equations. The constructed solutions are expressible in terms of the modified Bessel and rational functions, respectively. The vorticity-raising and lowering Backlund transformations are interpreted as the Schlesinger transformat... | ['1998-07-08'] |
8,152 | ['eng'] | ['Bizdadea, C', 'Saliu, S O'] | ['Irreducible Antifield Analysis of $p$-Form Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, abelian', 'differential forms', 'gauge field theory, action', 'antifield', 'quantization, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9911141'] | ['The irreducible antifield formalism for $p$-form gauge theories with gauge invariant interaction terms is exposed. The ghosts of ghosts do not appear. The acyclicity of the Koszul-Tate operator is ensured without introducing antifields at resolution degrees higher that two.'] | ['1999-11-19'] |
8,153 | ['eng'] | ['Manogue, C A', 'Dray, T'] | ['Dimensional Reduction'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'algebra, octonion', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807044'] | ['Using an octonionic formalism, we introduce a new mechanism for reducing 10 spacetime dimensions to 4 without compactification. Applying this mechanism to the free, 10-dimensional, massless (momentum space) Dirac equation results in a particle spectrum consisting of exactly 3 generations. Each generation contains 1 m... | ['1998-07-07'] |
8,154 | ['eng'] | ['Caruso, F', 'De Paola, R', 'Svaiter, N F'] | ['Zero-point energy of massless scalar fields in the presence of soft and semihard boundaries in D dimensions'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massless', 'space-time, any-dimensional', 'energy, density', 'energy, Casimir', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807043'] | ['The renormalized energy density of a massless scalar field defined in a D-dimensional flat spacetime is computed in the presence of "soft" and "semihard" boundaries, modeled by some smoothly increasing potential functions. The sign of the renormalized energy densities for these different confining situations is inves... | ['1998-07-07'] |
8,155 | ['eng'] | ['Gegenberg, J', 'Kunstatter, G'] | ['The Geometrodynamics of Sine-Gordon Solitons'] | ['Particle Physics - Theory'] | ['soliton', 'sine-Gordon equation', 'black hole, Lorentz', 'gravitation, dilaton', 'black hole, mass', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807042'] | ["The relationship between N-soliton solutions to the Euclidean sine-Gordon equation and Lorentzian black holes in Jackiw-Teitelboim dilaton gravity is investigated, with emphasis on the important role played by the dilaton in determining the black hole geometry. We show how an N-soliton solution can be used to constru... | ['1998-07-07'] |
8,156 | ['eng'] | ['Niedermaier, M R'] | ['Varying the Unruh Temperature in Integrable Quantum Field Theories'] | ['Particle Physics - Theory'] | ['finite temperature', 'scattering amplitude, factorization', 'integrability', 'form factor, deformation', 'transformation, diffeomorphism', 'tensor, energy-momentum', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807041'] | ['A computational scheme is developed to determine the response of a quantum field theory (QFT) with a factorized scattering operator under a variation of the Unruh temperature. To this end a new family of integrable systems is introduced, obtained by deforming such QFTs in a way that preserves the bootstrap S-matrix. ... | ['1998-07-07'] |
8,157 | ['eng'] | ['Greene, Brian R', 'Lazaroiu, C I', 'Yi, P'] | ['D-particles on $T^{4}/Z_{n}$ orbifolds and their resolutions'] | ['Particle Physics - Theory'] | ['D-particle', 'orbifold, torus', 'orbifold, Z(N)', 'gauge field theory', 'fibre bundle', 'moduli space, singularity', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807040'] | ['We formulate the effective field theory of a D-particle on orbifolds of $T^4$ by a cyclic group as a gauge theory in a $V$-bundle over the dual orbifold. We argue that this theory admits Fayet-Iliopoulos terms analogous to those present in the case of noncompact orbifolds. In the $n=2$ case, we present some evidence ... | ['1998-07-07'] |
8,158 | ['eng'] | ['Shvedov, O Y'] | ['Renormalization of Spatially Inhomogeneous Nonequilibrium Field Dynamics'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'quantization', 'Hamiltonian formalism', 'perturbation theory, higher-order', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807039'] | ['The problem of renormalization of the semiclassical one-loop equations used in the non-equilibrium field theory is considered. Recently, the renormalizability of such equations has been justified for some special cases of classical field configurations. In this paper the general case of arbitrary spatially inhomogene... | ['1998-07-07'] |
8,159 | ['eng'] | ['Gusev, Yu V', 'Zelnikov, A I'] | ['Finite temperature nonlocal effective action for quantum fields in curved space'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, spinor', 'finite temperature', 'effective action, nonlocal', 'space-time', 'background field', 'energy', 'form factor', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807038'] | ['Massless and massive scalar fields and massless spinor fields are considered at arbitrary temperatures in four dimensional ultrastatic curved spacetime. Scalar models under consideration can be either conformal or nonconformal and include selfinteraction. The one-loop nonlocal effective action at finite temperature a... | ['1998-07-07'] |
8,160 | ['eng'] | ['Yang, J'] | ['Quantum field theory'] | ['Particle Physics - Theory'] | ['talk, Dubna 1998/07/13', 'field theory, finite', 'path integral', 'perturbation theory, higher-order', 'renormalization', 'mathematical methods', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807037'] | ["A new attempt is demonstrated that QFTs can be UV finite if they are viewed as the low energy effective theories of a fundamental underlying theory (that is complete and well-defined in all respects) according to the modern standard point of view. This approach works for any interaction model and space-time dimension... | ['1998-07-07'] |
8,161 | ['eng'] | ['Tjiang, P C', 'Burden, C J'] | ['Test of Gauge Covariance of Fermion-Photon Vertex in Quenched, Massless Three-Dimensional Quantum Electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, massless', 'dimension, 3', 'approximation, quenching', 'vertex function, (fermion photon)', 'invariance, gauge', 'Dyson-Schwinger equation', 'vacuum polarization', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807036'] | ['We study the gauge covariance of the fermion-photon vertex in quenched, massless 3-dimensional quantum electrodynamics. A class of vertex Ansãtze obtained by generalizing that proposed by Dong et al. is tested using the invariance of the photon polarization scalar under the Landau-Khalatnikov transformation.'] | ['1998-07-07'] |
8,162 | ['eng'] | ['Burkardt, M', 'Antonuccio, F', 'Tsujimaru, S'] | ['Decoupling of Zero-Modes and Covariance in the Light-Front Formulation of Supersymmetric Theories'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'supersymmetry', 'quantization, light front', 'mass spectrum', 'zero mode', 'decoupling', 'effective potential', 'invariance, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807035'] | ['We show under suitable assumptions that zero-modes decouple from the dynamics of non-zero modes in the light-front formulation of some supersymmetric field theories. The implications for Lorentz invariance are discussed.'] | ['1998-07-07'] |
8,163 | ['eng'] | ['Ghezelbash, A M', 'Khorrami, M', 'Aghamohammadi, A'] | ['Logarithmic conformal field theories and AdS correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, de Sitter', 'any-dimensional', 'partition function', 'two-point function', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807034'] | ['We generalize the Maldacena correspondence to the logarithmic conformal field theories. We study the correspondence between field theories in (d+1)-dimensional AdS space and the d-dimensional logarithmic conformal field theories in the boundary of $AdS_{d+1}$. Using this correspondence, we get the n-point functions o... | ['1998-07-07'] |
8,164 | ['eng'] | ['Bianchi, M', 'Green, M B', 'Kovács, S J', 'Rossi, G'] | ['Instantons in supersymmetric Yang-Mills and D-instantons in IIB superstring theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'string model', 'instanton', 'current, conformal', 'correlation function', 'space, anti-de Sitter', 'Kaluza-Klein model', 'supergravity', 'gauge field theory, SU(N)', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807033'] | ['The one-instanton contributions to various correlation functions of supercurrents in four-dimensional N=4 supersymmetric SU(2) Yang-Mills theory are evaluated to the lowest order in perturbation theory. Expressions of the same form are obtained from the leading effects of a single D-instanton extracted from the IIB s... | ['1998-07-06'] |
8,165 | ['eng'] | ['Jaramillo, A', 'Mansfield, P'] | ['Non-perturbative VEVs from a Local Expansion'] | ['Particle Physics - Theory'] | ['talk, Cracow 1998/05/26', 'field theory, scalar', 'path integral', 'vacuum state', 'wave function', 'nonperturbative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807032'] | ['We propose a method for the calculation of vacuum expectation values (VEVs) given a non-trivial, long-distance vacuum wave functional (VWF) of the kind that arises, for example, in variational calculations. The VEV is written in terms of a Schrödinger-picture path integral, then a local expansion for (the logarithm o... | ['1998-07-06'] |
8,166 | ['eng'] | ['Dunne, G', 'Hall, T'] | ['On the QED Effective Action in Time Dependent Electric Backgrounds'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'effective action', 'electric field, background field', 'time dependence', 'dispersion relations', 'approximation, quasiclassical', 'expansion, derivative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807031'] | ["We apply the resolvent technique to the computation of the QED effective action in time dependent electric field backgrounds. The effective action has both real and imaginary parts, and the imaginary part is related to the pair production probability in such a background. The resolvent technique has been applied prev... | ['1998-07-06'] |
8,167 | ['eng'] | ['Mendel, E', 'Nest, M'] | ['Time evolution for quantum systems at finite temperature'] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'finite temperature', 'path integral', 'density matrix', 'model, oscillator', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807030'] | ['This paper investigates a new formalism to describe real time evolution of quantum systems at finite temperature. A time correlation function among subsystems will be derived which allows for a probabilistic interpretation. Our derivation is non-perturbative and fully quantized. Various numerical methods used to comp... | ['1998-07-06'] |
8,168 | ['eng'] | ['Troncoso, R', 'Zanelli, J'] | ['Gauge Supergravity for all Odd Dimensions'] | ['Particle Physics - Theory'] | ['talk, Bariloche 1998/01/07', 'supergravity', 'gauge field theory', 'any-dimensional', 'supersymmetry, algebra', 'field theory, action', 'Chern-Simons term', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807029'] | ['Recently proposed supergravity theories in odd dimensions, whose fields are connection one-forms for the minimal supersymmetric extensions of anti-de Sitter gravity, are discussed. Two essential ingredients are required for this construction: (1) The superalgebras, which extend the adS algebra for different dimension... | ['1998-07-06'] |
8,169 | ['eng'] | ["D'Eath, P D"] | ['Loop Amplitudes in Supergravity by Canonical Quantization'] | ['Particle Physics - Theory'] | ['talk, Paris 1998/05/01', 'supergravity', 'quantization, canonical', 'Hamiltonian formalism', 'scattering amplitude, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807028'] | ["Dirac's approach to the canonical quantization of constrained systems is applied to $N = 1$ supergravity, with or without gauged supermatter. Two alternative types of boundary condition applicable to quantum field theory or quantum gravity are contrasted. The first is the `coordinate' boundary condition as used in qu... | ['1998-07-06'] |
8,170 | ['eng'] | ['Damgaard, P H'] | ['QCD Dirac Spectra With and Without Random Matrix Theory'] | ['Particle Physics - Theory'] | ['talk, Paris 1998/06/01', 'quantum chromodynamics', 'operator, Dirac', 'operator, spectra', 'spectra, density', 'matrix model, random', 'effective Lagrangian, chiral', 'universality', 'partition function', 'critical phenomena', 'correlation function', 'correction, finite size', 'dependence, flavor', 'expansion 1/N, co... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807026'] | ['Recent work on the spectrum of the Euclidean Dirac operator spectrum show that the exact microscopic spectral density can be computed in both random matrix theory, and directly from field theory. Exact relations to effective Lagrangians with additional quark species form the bridge between the two formulations. Taken... | ['1998-07-06'] |
8,171 | ['eng'] | ['Lu, W F'] | ['Gaussian Wavefunctional Approach in Thermofield Dynamics'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'finite temperature', 'any-dimensional', 'quantization', 'Hamiltonian formalism', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807025'] | ['The Gaussian wavefunctional approach is developed in thermofield dynamics. We manufacture thermal vacuum wavefunctional, its creation as well as annihilation operators,and accordingly thermo-particle excited states. For a (D+1)-dimensional scalar field system with an arbitrary potential whose Fourier representation e... | ['1998-07-03'] |
8,172 | ['eng'] | ['Baulieu, L', 'Zwanziger, D'] | ['Renormalizable Non-Covariant Gauges and Coulomb Gauge Limit'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Coulomb gauge', 'axial gauge', 'temporal gauge', 'Landau gauge', 'correlation function', 'symmetry breaking, Lorentz', 'Ward identity', 'transformation, Becchi-Rouet-Stora', 'effective action', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807024'] | ["To study ``physical'' gauges such as the Coulomb, light-cone, axial or temporal gauge, we consider ``interpolating'' gauges which interpolate linearly between a covariant gauge, such as the Feynman or Landau gauge, and a physical gauge. Lorentz breaking by the gauge-fixing term of interpolating gauges is controlled b... | ['1998-07-03'] |
8,173 | ['eng'] | ['Grigoriev, M A', 'Semikhatov, A M'] | ['A Kähler Structure of the Triplectic Geometry'] | ['Particle Physics - Theory'] | ['gauge field theory', 'quantization, constraint', 'Hamiltonian formalism', 'symmetry, Sp(2)', 'differential geometry, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807023'] | ['We study the geometry of the triplectic quantization of gauge theories. We show that underlying the triplectic geometry is a Kaehler manifold N endowed with a pair of transversal polarizations. The antibrackets can be brought to the canonical form if and only if N admits a flat symmetric connection that is compatible... | ['1998-07-03'] |
8,174 | ['eng'] | ['Armoni, Adi', 'Frishman, Yitzhak', 'Sonnenschein, J'] | ['Screening in Supersymmetric Gauge Theories in Two Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'quantum chromodynamics', 'dimension, 2', 'string tension', 'Schwinger model, massive'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807022'] | ['We show that the string tension in N=1 two-dimensional super Yang-Mills theory vanishes independently of the representation of the quark anti-quark external source. We argue that this result persists in SQCD_2 and in two-dimensional gauge theories with extended supersymmetry or in chiral invariant models with at leas... | ['1998-07-03'] |
8,175 | ['eng'] | ['Tuan, R H'] | ['$\\alpha$-Representation for QCD'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'gauge field theory, Yang-Mills', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807021'] | ['An $\\alpha$-parameter representation is derived for gauge field theories.It involves, relative to a scalar field theory, only constants and derivatives with respect to the $\\alpha$-parameters. Simple rules are given to obtain the in gauge theories in the Feynman gauge.'] | ['1998-07-03'] |
8,176 | ['eng'] | ['Nasir, S M'] | ['Vortices and Flat Connections'] | ['Particle Physics - Theory'] | ['Higgs model, abelian', 'dimension, 3', 'vortex', 'moduli space', 'Riemann surfaces', 'potential, Kaehler'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807020'] | ["At Bradlow's limit, the moduli space of Bogomol'nyi vortices on a compact Riemann surface of genus $g$ is determined. The Kãhler form, and the volume of the moduli space is then computed. These results are compared with the corresponding results previously obtained for a general vortex moduli space."] | ['1998-07-03'] |
8,177 | ['eng'] | ['Navarro-Salas, J', 'Navarro, P'] | ['A Note on Einstein Gravity on AdS$_3$ and Boundary Conformal Field Theory'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'dimension, 3', 'space-time, anti-de Sitter', 'boundary condition', 'asymptotic expansion', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807019'] | ['We find a simple relation between the first subleading terms in the asymptotic expansion of the metric field in AdS$_3$, obeying the Brown-Henneaux boundary conditions, and the stress tensor of the underlying Liouville theory on the boundary. We can also provide an more explicit relation between the bulk metric and t... | ['1998-07-03'] |
8,178 | ['eng'] | ['Manton, N S', 'Nasir, S M'] | ['Volume of Vortex Moduli Spaces'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'dimension, 2', 'space-time', 'Riemann surfaces', 'moduli space', 'vortex', 'charge, topological', 'thermodynamics', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807017'] | ["A gas of $N$ Bogomol'nyi vortices in the Abelian Higgs model is studied on a compact Riemann surface of genus $g$ and area $A$. The volume of the moduli space is computed and found to depend on $N, g$ and $A$, but not on other details of the shape of the surface. The volume is then used to find the thermodynamic part... | ['1998-07-03'] |
8,179 | ['eng'] | ['García, J A', 'Knaepen, B'] | ['Couplings between generalized gauge fields'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'quantization', 'Hamiltonian formalism', 'interaction', 'invariance, Becchi-Rouet-Stora', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807016'] | ['We analyze the BRST field-antifield construction for generalized gauge fields consisting of massless mixed representations of the Lorentz Group and we calculate all the strictly gauge invariant interactions between them. All these interactions are higher derivative terms constructed out from the derivatives of the cu... | ['1998-07-03'] |
8,180 | ['eng'] | ['Tyutin, I V', 'Zeitlin, V'] | ['Curing Fermion Mass Gauge Variance in $QED_{2+1}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'quantum electrodynamics', 'Chern-Simons term', 'dimension, 3', 'quantization', 'mass, topological', 'fermion, mass spectrum', 'vertex function', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807015'] | ['The problem of the gauge dependence of the fermion mass in the Maxwell-Chern-Simons QED$_{2+1}$ is revisited. Using Proca mass term as an intermediate infrared regulator we are demonstrating gauge-invariance of the fermion mass shell in QED$_{2+1}$ in all orders of the perturbation theory.'] | ['1998-07-03'] |
8,181 | ['eng'] | ['Gaida, I', 'Mahapatra, S', 'Mohaupt, T', 'Sabra, W A'] | ['Black Holes and Flop Transitions in M-Theory on Calabi-Yau Threefolds'] | ['Particle Physics - Theory'] | ['M-theory', 'spontaneous compactification', 'field theory, Calabi-Yau', 'supersymmetry, symmetry breaking', 'black hole', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807014'] | ['We present fivedimensional extreme black hole solutions of M-theory compactified on Calabi-Yau threefolds and study these solutions in the context of flop transitions in the extended Kahler cone. In particular we consider a specific model and present black hole solutions, breaking half of N=2 supersymmetry, in two re... | ['1998-07-03'] |
8,182 | ['eng'] | ['Ghoroku, K'] | ['Interactions of two D-branes and String-D-brane with Quantum Correction'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'membrane model, p-brane', 'effective action', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807013'] | ['Interactions of two D-branes and string$-$D-brane are examined through the loop-corrected effective potentials for the actions of D-brane and the fundamental string, which are put on the background of the other D-brane. A constant inner electro-magnetic field ($f$) is presumed for the D-brane considered here. The qua... | ['1998-07-03'] |
8,183 | ['eng'] | ['Rogatko, M'] | ['Extrema of Mass, First Law of Black Hole Mechanics and Staticity Theorem in Einstein-Maxwell-axion-dilaton Gravity'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation', 'gravitation, dilaton', 'axion', 'mass formula', 'black hole, mechanics', 'vector, Killing', 'Hamiltonian formalism', 'energy', 'angular momentum', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807012'] | ['Using the ADM formulation of the Einstein-Maxwell axion-dilaton gravity we derived the formulas for the variation of mass and other conserved quantities in the theory under consideration. Generalizing this kind of reasoning to the initial data for the manifold with an interior boundary we got the generalized first la... | ['1998-07-03'] |
8,184 | ['eng'] | ['Antoniadis, Ignatios', 'Dudas, E A', 'Sagnotti, A'] | ['Supersymmetry breaking, open strings and M-theory'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'string model', 'M-theory', 'spontaneous compactification', 'astrophysics, fundamental constant', 'mass spectrum', 'energy, vacuum state', 'dimension, 9', 'dimension, 6', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807011'] | ["We study supersymmetry breaking by Scherk-Schwarz compactifications in type I string theory. While in the gravitational sector all mass splittings are proportional to a (large) compactification radius, supersymmetry remains unbroken for the massless excitations of D-branes orthogonal to the large dimension. In this s... | ['1998-07-03'] |
8,185 | ['eng'] | ['Bollini, C G', 'Rocca, M C'] | ['The Wheeler Propagator'] | ['Particle Physics - Theory'] | ['propagator', 'Klein-Gordon equation', 'tachyon', 'vacuum state', 'unitarity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807010'] | ['We study the half advanced and half retarded Wheeler Green function and its relation to Feynman propagators. First for massless equation. Then, for Klein-Gordon equations with arbitrary mass parameters; real, imaginary or complex. In all cases the Wheeler propagator lacks an on-shell free propagation. The Wheeler fun... | ['1998-07-02'] |
8,186 | ['eng'] | ['Herrera-Aguilar, A', 'Kechkin, O V'] | ['IWP Solutions for Heterotic String in Five Dimensions'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 5', 'gauge field theory, U(1)', 'spontaneous compactification, torus', 'dimension, 3', 'dyon', 'potential, Ernst', 'asymptotic behavior'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807009'] | ["We obtain extremal stationary solutions that generalize the Israel-Wilson-Perjés class for the low-energy limit of heterotic string theory with n>=3 U(1) gauge fields toroidally compactified from five to three dimensions. A dyonic solution is obtained using the matrix Ernst potential (MEP) formulation and expressed i... | ['1998-07-02'] |
8,187 | ['eng'] | ['Andreas, B', 'Curio, G', 'Lüst, Dieter'] | ['The Neveu-Schwarz Five-Brane and its Dual Geometries'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'membrane model', 'duality, transformation', 'singularity, orbifold', 'supersymmetry', 'gauge field theory', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807008'] | ["In this paper we discuss two aspects of duality transformations on the Neveu-Schwarz (NS) 5-brane solutions in type II and heterotic string theories. First we demonstrate that the non-extremal NS 5-brane background is U-dual to its CGHS limit, a two-dimensional black hole times $S^3\\times T^5$; an intermediate step ... | ['1998-07-02'] |
8,188 | ['eng'] | ['Izquierdo, J M'] | ['Free differential algebras and generic 2D dilatonic (super)gravities'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 2', 'supergravity', 'field equations', 'algebra, differential', 'differential forms', 'matter, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807007'] | ['The field equations for both generic bosonic and generic locally supersymmetric 2D dilatonic gravity theories in the absence of matter are written as free differential algebras. This constitutes a generalization of the gauge theoretic formulation. Moreover, it is shown that the condition of free differential algebra ... | ['1998-07-02'] |
8,189 | ['eng'] | ['Lavrinenko, I V', 'Lü, H', 'Pope, C N', 'Tran, T A'] | ['U-duality as General Coordinate Transformations, and Spacetime Geometry'] | ['Particle Physics - Theory'] | ['supergravity', 'duality', 'spontaneous compactification, torus', 'axion', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807006'] | ['We show that the full global symmetry groups of all the D-dimensional maximal supergravities can be described in terms of the closure of the internal general coordinate transformations of the toroidal compactifications of D=11 supergravity and of type IIB supergravity, with type IIA/IIB T-duality providing an intertw... | ['1998-07-02'] |
8,190 | ['eng'] | ['Horwitz, L P'] | ['Dynamical Relativistic Systems and the Generalized Gauge Fields of Manifestly Covariant Theories'] | ['Particle Physics - Theory'] | ['talk, London 1998/09/11', 'charged particle, relativistic', 'electromagnetic field', 'gauge field theory', 'forces, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807005'] | ["The problem of the classical non-relativistic electromagnetically kicked oscillator can be cast into the form of an iterative map on phase space. The original work of Zaslovskii et al showed that the resulting evolution contains a stochastic flow in phase space to unbounded energy. Subsequent studies have formulated ... | ['1998-07-02'] |
8,191 | ['eng'] | ['Alimohammadi, M', 'Tofighi, A'] | ['Phase structure of the generalized two dimensional Yang-Mills theories on sphere'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'dimension, 2', 'space-time, sphere', 'expansion 1/N', 'critical phenomena', 'phi**n model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807004'] | ['We find a general expression for the free energy of $G(\\phi)=\\phi^{2k}$ generalized 2D Yang-Mills theories in the strong ($A>A_c$) region at large $N$. We also show that in this region, the density function of Young tableau of these models is a three-cut problem. In the specific $\\phi^6$ model, we show that the th... | ['1998-07-02'] |
8,192 | ['eng'] | ['Navarro, D J', 'Navarro-Salas, J'] | ['Bäcklund transformations in 2D dilaton gravity'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 2', 'Baecklund transformation', 'transformation, canonical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807003'] | ['We give a Bäcklund transformation connecting a generic 2D dilaton gravity theory to a generally covariant free field theory. This transformation provides an explicit canonical transformation relating both theories.'] | ['1998-07-02'] |
8,193 | ['eng'] | ['Edelstein, J D'] | ['Self-dual solitons in N=2 supersymmetric semilocal Chern-Simons theory'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'Higgs model', 'supersymmetry', 'soliton', 'duality', 'charge, conservation law', 'Bogomolnyi equation', 'stability', 'vortex', 'symmetry, SU(2)', 'gauge field theory, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807002'] | ["We embed the semilocal Chern-Simons-Higgs theory into an N=2 supersymmetric system. We construct the corresponding conserved supercharges and derive the Bogomol'nyi equations of the model from supersymmetry considerations. We show that these equations hold provided certain conditions on the coupling constants as well... | ['1998-07-02'] |
8,194 | ['eng'] | ['Bering, K'] | ['Putting an Edge to the Poisson Bracket'] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'boundary condition', 'commutation relations', 'field theory, local', 'quantization', 'geometry', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9806249'] | ["We present a general formalism for treating a Hamiltonian (canonical) field theory with a spatial boundary. In this formalism essentially all functionals are differentiable from the very beginning and hence no improvement terms are needed. We introduce a new Poisson bracket which differs from the usual ``bulk'' Poiss... | ['1998-07-01'] |
8,195 | ['eng'] | ['Davydychev, A I', 'Delbourgo, Robert'] | ['Geometrical approach to the evaluation of multileg Feynman diagrams'] | ['Particle Physics - Theory'] | ['talk, Rheinsberg 1998/04/19', 'Feynman graph, higher-order', 'higher-order, 1', 'geometry', 'simplex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9806248'] | ['A connection between one-loop $N$-point Feynman diagrams and certain geometrical quantities in non-Euclidean geometry is discussed. A geometrical way to calculate the corresponding Feynman integrals is considered. (This paper contains a brief review of the results presented in hep-th/9709216).'] | ['1998-07-01'] |
8,196 | ['eng'] | ['Herrera-Aguilar, A', 'Kechkin, O V'] | ['Charging Symmetries and Linearizing Potentials for Einstein-Maxwell Dilaton-Axion Theory'] | ['Particle Physics - Theory'] | ['Einstein-Maxwell equation', 'dilaton', 'axion', 'field theory, action', 'charge, symmetry', 'potential, linear', 'potential, Ernst'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9806247'] | ['We derive a set of complex potentials which linearize the action of charging symmetries of the stationary Einstein-Maxwell dilaton-axion theory.'] | ['1998-07-01'] |
8,197 | ['eng'] | ['Minahan, J A'] | ['Duality Symmetries for N=2 Supersymmetric QCD with Vanishing $\\beta$-Functions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'duality', 'multiplet', 'parametrization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9806246'] | ['We construct the duality groups for N=2 Supersymmetric QCD with gauge group SU(2n+1) and N_f=4n+2 hypermultiplets in the fundamental representation. The groups are generated by two elements $S$ and $T$ that satisfy a relation $(STS^{-1}T)^{2n+1}=1$. Thus, the groups are not subgroups of $SL(2,Z)$. We also construct a... | ['1998-07-01'] |
8,198 | ['eng'] | ['Gao, Y', 'Zhang, W'] | ['Evaporation of Schwarszchild Black Hole in the Large N Matrix Theory'] | ['Particle Physics - Theory'] | ['black hole, Schwarzschild', 'radiation, Hawking', 'matrix model', 'expansion 1/N', 'membrane model, D-brane', 'gas, cluster', 'invariance, Lorentz', 'energy loss'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9806245'] | ['By using the D0-brane cluster picture, we consider the Hawking radiation of Schwarszchild black hole (SBH) in large N Matrix model. We get the correct formula for the the Hawing evaporation rate. Our result give some evidence on the Lorentz invariance of the physics of Matrix model.'] | ['1998-07-01'] |
8,199 | ['eng'] | ['Grigore, D R'] | ['On the Uniqueness of the Non-Abelian Gauge Theories in Epstein-Glaser Approach to Renormalisation Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, nonabelian', 'renormalization', 'Fock space', 'electromagnetic field', 'quantization, 2', 'particle, relativistic', 'Hilbert space', 'group theory, Poincare', 'perturbation theory', 'causality', 'ghost', 'matter, coupling', 'functional analysis', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9806244'] | ['We generalise a result of Aste and Scharf saying that, under some reasonable assumptions, consistent with renormalisation theory, the non-Abelian gauge theories describes the only possibility of coupling the gluons. The proof is done using Epstein-Glaser approach to renormalisation theory.'] | ['1998-07-01'] |
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