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 |
|---|---|---|---|---|---|---|---|---|
9,100 | ['eng'] | ['Akemann, G', 'Damgaard, P H'] | ['Consistency Conditions for Finite-Volume Partition Functions'] | ['Particle Physics - Theory'] | ['matrix model, random', 'operator, Dirac', 'partition function', 'n-point function, correlation function', 'gauge field theory, SU(N)', 'fermion, flavor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802174'] | ['Using relations from random matrix theory, we derive exact expressions for all $n$-point spectral correlation functions of Dirac operator eigenvalues in terms of finite-volume partition functions. This is done for both chiral symplectic and chiral unitary random matrix ensembles, which correspond to $SU(N_c \\geq 3)$... | ['1998-02-25'] |
9,101 | ['eng'] | ['Lowe, D A'] | ['Statistical Origin of Black Hole Entropy in matrix theory'] | ['Particle Physics - Theory'] | ['M-theory', 'matrix model', 'field theory, collective', 'black hole', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802173'] | ['The statistical entropy of black holes in M-theory is considered. Using the Matrix formulation of M-theory, we map the counting problem onto the original Gibbons-Hawking calculation of the thermodynamic entropy.'] | ['1998-02-25'] |
9,102 | ['eng'] | ['Kay, B S'] | ['Entropy Defined, Entropy Increase and Decoherence Understood, and Some Black-Hole Puzzles Solved'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'thermodynamics', 'quantum gravity', 'decoherence', 'matter', 'unitarity', 'axiomatic field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802172'] | ["Statistical mechanics explains thermodynamics in terms of (quantum) mechanics by equating the entropy of a microstate of a closed system with the logarithm of the number of microstates in the macrostate to which it belongs, but the question `what is a macrostate?' has never been answered except in a vague, subjective... | ['1998-02-25'] |
9,103 | ['eng'] | ['Nikbakht-Tehrani, M'] | ['A Note on (0,2) Models on Calabi-Yau Complete Intersections'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'vacuum state', 'sigma model, nonlinear', 'supersymmetry, superfield', 'gauge field theory', 'field theory, Calabi-Yau', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802170'] | ['In the class of (0,2) heterotic compactifications which has been constructed in the framework of gauged linear sigma models the Calabi-Yau varieties X are realized as complete intersections of hypersurfaces in toric varieties IP and the corresponding gauge bundles (or more generally gauge sheaves) E are defined by so... | ['1998-02-25'] |
9,104 | ['eng'] | ['Baseilhac, P', 'Grange, P', 'Rausch de Traubenberg, M'] | ['The embedding of Liouville, sine-Gordon and deformed-Toda models from generalized Clifford algebras'] | ['Particle Physics - Theory'] | ['field theory, Liouville', 'field theory, sine-Gordon', 'field theory, Toda', 'field theory, transformation', 'integrability', 'algebra, Clifford'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802169'] | ["Linearization of homogeneous polynomials of degree $n$ and $k$ variables leads to generalized Clifford algebras. Multicomplex numbers are then introduced in analogy to complex numbers with respect to usual Clifford algebra. In turn multicomplex extensions of trigonometric functions are constructed in terms of `compac... | ['1998-02-25'] |
9,105 | ['eng'] | ['Minahan, J A', 'Nemeschansky, D D', 'Vafa, C', 'Warner, N P'] | ['E-Strings and N=4 Topological Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, topological', 'string model', 'dimension, 6', 'bound state, string', 'partition function', 'anomaly', 'symmetry, mirror', 'F-theory', 'membrane model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802168'] | ['We study certain properties of six-dimensional tensionless E-strings (arising from zero size $E_8$ instantons). In particular we show that $n$ E-strings form a bound string which carries an $E_8$ level $n$ current algebra as well as a left-over conformal system with $c=12n-4-{248n \\over n+30}$, whose characters can ... | ['1998-02-25'] |
9,106 | ['eng'] | ['Soldati, R', 'Sorbo, L'] | ['Effective action for Dirac spinors in the presence of general uniform electromagnetic fields'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'spinor, Dirac', 'effective action, higher-order', 'electromagnetic field, external field', 'fermion, pair production', 'regularization, zeta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802167'] | ['Some new expressions are found, concerning the one-loop effective action of four dimensional massive and massless Dirac fermions in the presence of general uniform electric and magnetic fields, with $\\vec E\\cdot \\vec H\\neq 0$ and $\\vec E ^2\\neq \\vec H ^2$. The rate of pair-production is computed and briefly di... | ['1998-02-25'] |
9,107 | ['eng'] | ['Ranada, A F', 'Trueba, J L'] | ['A topological mechanism of discretization for the electric charge'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'field theory, scalar', 'field theory, transformation', 'charge, electric', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802166'] | ['We present a topological mechanism of discretization, which gives for the fundamental electric charge a value equal to the square root of the Planck constant times the velocity of light, which is about 3.3 times the electron charge. Its basis is the following recently proved property of the standard linear classical ... | ['1998-02-25'] |
9,108 | ['eng'] | ['Chapline, G'] | ['A Unique Theory of Gravity and Matter'] | ['Particle Physics - Theory'] | ['quantum gravity', 'ground state', 'graviton, condensation', 'string model, fermion', 'gauge field theory', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802165'] | ['The author has previously suggested that the ground state for 4-dimensional quantum gravity can be represented as a condensation of non-linear gravitons connected by Dirac strings. In this note we suggest that the low-lying excitations of this state can be described by a quasi-topological action corresponding to a tr... | ['1998-02-25'] |
9,109 | ['eng'] | ['Ezawa, K', 'Matsuo, Y', 'Murakami, K'] | ['Matrix Model for Dirichlet Open String'] | ['Particle Physics - Theory'] | ['string model, open', 'supersymmetry', 'membrane model, D-brane', 'membrane model, p-brane', 'matrix model', 'analytic properties', 'regularization', 'field theory, SO(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802164'] | ['We discuss the open string ending on D $p$-branes in IKKT framework. First we determine the boundary conditions of Green-Schwarz superstring which are consistent with supersymmetry and $\\kappa$-symmetry. We point out some subtleties arising from taking the Schild gauge and show that in this gauge the system incorpor... | ['1998-02-25'] |
9,110 | ['eng'] | ['Arefieva, I Y', 'Ivanov, M G', 'Rytchkov, O A', 'Volovich, I V'] | ['Non-extremal Localised Branes and Vacuum Solutions in M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'field equations, solution', 'vacuum state', 'dimension, 11', 'dimension, 10', 'membrane model, p-brane', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802163'] | ['Non-extremal overlapping p-brane supergravity solutions localised in their relative transverse coordinates are constructed. The construction uses an algebraic method of solving the bosonic equations of motion. It is shown that these non-extremal solutions can be obtained from extremal solutions by means of the superp... | ['1998-02-24'] |
9,111 | ['eng'] | ['Bern, Z', 'Dixon, L', 'Dunbar, D C', 'Perelstein, M E', 'Rozowsky, J S'] | ['On the Relationship between Yang-Mills Theory and Gravity and its Implication for Ultraviolet Divergences'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gravitation', 'field theory, string', 'S-matrix', 'supergravity', 'renormalization', 'scattering amplitude, higher-order', 'supersymmetry', 'Ward identity', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802162'] | ["String theory implies that field theories containing gravity are in a certain sense `products' of gauge theories. We make this product structure explicit up to two loops for the relatively simple case of N=8 supergravity four-point amplitudes, demonstrating that they are `squares' of N=4 super-Yang-Mills amplitudes. ... | ['1998-02-24'] |
9,112 | ['eng'] | ['Sveshnikov, N A', 'Timoshenko, E G'] | ['The partition function versus boundary conditions and confinement in the Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, SU(2)', 'electric field', 'partition function', 'boundary condition', 'quantum electrodynamics', 'dependence, gauge', 'confinement', 'Gauss law, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802161'] | ['We analyse dependence of the partition function on the boundary condition for the longitudinal component of the electric field strength in gauge field theories. In a physical gauge the Gauss law constraint may be resolved explicitly expressing this component via an integral of the physical transversal variables. In p... | ['1998-02-24'] |
9,113 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Effective Action for Conformal Scalars and Anti-Evaporation of Black Holes'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'effective action', 'perturbation theory, higher-order', 'scalar, conformal', 'anomaly, conformal', 'black hole, Schwarzschild', 'black hole, de Sitter', 'black hole, radiation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802160'] | ['We study the one-loop effective action for $N$ 4D conformally invariant scalars on the spherically symmetric background. The main part of effective action is given by integration of 4D conformal anomaly. This effective action (in large $N$ approximation and partial curvature expansion) is applied to investigate the q... | ['1998-02-24'] |
9,114 | ['eng'] | ['Németh, Z A'] | ['Remarks on the solutions of the Maxwell- Chern-Simons theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'asymptotic behavior', 'Schroedinger equation, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802159'] | ['The large distance behavior of the Maxwell- Chern-Simons (MCS) equations is analyzed, and it is found that the pure Chern-Simons limit, (when the Maxwell term is dropped from the equations), does not describe the large distance limit of the MCS model. This necessitates the solution of the original problem. The MCS ga... | ['1998-02-24'] |
9,115 | ['eng'] | ['Cavaglià, M', "D'Alfaro, V", 'Filippov, A T'] | ['Quantization of the String Inspired Dilaton Gravity and the Birkhoff Theorem'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'field theory, dilaton', 'quantization, constraint', 'approximation, linear', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802158'] | ['We develop a simple scheme of quantization for the dilaton CGHS model without scalar fields, that uses the Gupta-Bleuler approach for the string fields. This is possible because the constraints can be linearized classically, due to positivity conditions that are present in the model (and not in the general string cas... | ['1998-02-24'] |
9,116 | ['eng'] | ['Xue, S S'] | ['Whether composite fermion states with "wrong" chiralities dissolve into cuts'] | ['Particle Physics - Theory'] | ['fermion, chiral', 'fermion, model', 'model, composite', 'lattice field theory', 'coupling, decoupling', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802157'] | ["In the possible scaling region for lattice chiral fermions advocated in hep-lat/9609037, no hard spontaneous symmetry breaking occurs and doublers are gauge-invariantly decoupled via mixing with composite three-fermion-states. However the strong coupling expansion breaks down due to no ``static limit'' for the low-en... | ['1998-02-24'] |
9,117 | ['eng'] | ['Buchbinder, I L', 'Ovrut, B A'] | ['Background Field Method and Structure of Effective Action in N=2 Super Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['talk, Buckow 1997/09/02', 'gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'effective action', 'background field', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802156'] | ['This paper is a brief review of background field method and some of its applications in N=2 super Yang-Mills theories with a matter within harmonic superspace approach. A general structure of effective action is discussed, an absence of two-loop quantum corrections to first non-leading term in effective action is pro... | ['1998-02-24'] |
9,118 | ['eng'] | ['Buchbinder, I L'] | ['Effective Action of N=2 Supersymmetric Field Theories in Harmonic Superspace Approach'] | ['Particle Physics - Theory'] | ['talk, Tomsk 1997/07/28', 'gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'effective action', 'model, superfield', 'background field', 'analytic properties', 'multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802155'] | ['The paper is a brief review of the works devoted to problem of effective action in N=2 super Yang-Mills theories in harmonic superspace approach. The formulation of N=2 superfield models in harmonic superspace is discussed, background field method for N=2 super Yang-Mills theory is constructed and general structure o... | ['1998-02-24'] |
9,119 | ['eng'] | ['Schaden, M'] | ['The Vacuum Energy Density of QCD with $n_{f}=3$ Quark Flavors'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'torus, finite', 'transformation, Becchi-Rouet-Stora', 'renormalization group', 'moduli space, measure', 'flavor, 3', 'effective action', 'correction, higher-order', 'leading logarithm approximation', 'tensor, energy-momentum', 'Lambda parameter', 'energy, density', 'numerical calculations... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802154'] | ['An equivariant BRST-construction is used to define the continuum SU(3) gauge theory on a finite torus. I corroborate previous results using renormalization group techniques by explicitly computing the measure on the moduli-space of the model with 3 quark flavors to two loops. I find that the correction to the maximum... | ['1998-02-24'] |
9,120 | ['eng'] | ['Yi, P'] | ['BPS Mass, Dirichlet Boundary Condition, and the Isotropic Coordinate System'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'string model, open', 'supergravity, background field', 'boundary condition', 'mass, soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802153'] | ['We consider test strings and test branes ending on D$p$-branes ($p\\le 6$) and NS5-branes in the background, for a heuristic understanding of the dynamics. Whenever some supersymmetry is preserved, a simple BPS bound appears, but the central charge in question is measured by certain isotropic coordinate system, rathe... | ['1998-02-24'] |
9,121 | ['eng'] | ['Oda, I'] | ['Path Integral Equivalence between Super D-string and IIB Superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, action', 'invariance, SL(2,Z)', 'string tension'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802152'] | ['We show that the super D-string action is exactly equivalent to the IIB Green-Schwarz superstring action with some "theta term" in terms of the path integral. Since the "theta term" imposes the Gauss law constraint on the physical state but contributes to neither the mass operator nor the constraints associated with ... | ['1998-02-24'] |
9,122 | ['eng'] | ['Alishahiha, M'] | ['On the Brane Configuration of $N=(4,4)$ 2D supersymmetric gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 2', 'membrane model, p-brane', 'p-brane, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802151'] | ['We study two dimensional $N=(4,4)$ supersymmetric gauge theories with various gauge groups and various hypermultiplets in the fundamental as well as bi-fundamental and adjoint represntations. They have " mirror theories " which become equivalent to them at the strong coupling. The theory with one fundamental and one ... | ['1998-02-24'] |
9,123 | ['eng'] | ['Kenneth, O', 'Nussinov, S'] | ['A New Variant of the Casimir Effect and Its Exact Evaluation'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'quantum electrodynamics', 'partition function, determinant', 'boundary condition', 'energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802149'] | ['A new version of the Casimir effect where the two plates conduct in specific, different, directions is considered. By direct functional integration the evaluation of the Casimir energy as a function of the angle between the conduction directions is reduced to quadratures. Other applications of the method and a magnet... | ['1998-02-23'] |
9,124 | ['eng'] | ['Wyllard, N'] | ['The heterotic prepotential from eleven dimensions'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, E(8) x E(8)', 'approximation, strong coupling', 'effective action', 'dimension, 11', 'M-theory', 'space-time, S1/Z(2) x K(3) x T(2)', 'potential', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802148'] | ['We compactify M-theory in the Horava-Witten formulation on S^1/Z_2 \\times K3 four-dimensional N=2 theory, we determine the prepotential as an expansion in two dimensionless parameters which both scale as \\kappa^{2/3}. We determine the prepotential completely to relative order \\kappa^{4/3} and compare the expressio... | ['1998-02-23'] |
9,125 | ['eng'] | ['Andrianopoli, Laura', "D'Auria, R", 'Ferrara, Sergio', 'Lledó, M A'] | ['Horizon Geometry, Duality and Fixed Scalars in Six Dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'soliton', 'string model', 'moduli space', 'field theory, conformal', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802147'] | ['We consider the problem of extremizing the tension for BPS strings in D=6 supergravities with different number of supersymmetries. General formulae for fixed scalars and a discussion of degenerate directions is given. Quantized moduli, according to recent analysis are supposed to be related to conformal field theorie... | ['1998-02-23'] |
9,126 | ['eng'] | ['Campbell-Smith, A'] | ['Composite Operator Effective Potential Approach to QED$_3$'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'operator, composite', 'effective action', 'effective potential', 'fermion, propagator', 'path integral', 'Dyson-Schwinger equation', 'mass spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802146'] | ['The composite operator effective potential is compared with the conventional Dyson--Schwinger method as a calculational tool for (2+1)-dimensional quantum electrodynamics. It is found that when the fermion propagator ansatz is put directly into the effective potential, it reproduces exactly the usual gap equations de... | ['1998-02-23'] |
9,127 | ['eng'] | ['Disertori, M', 'Rivasseau, V'] | ['Continuous Constructive Fermionic Renormalization'] | ['Particle Physics - Theory'] | ['Gross-Neveu model', 'dimension, 2', 'renormalization group', 'differential equations', 'expansion', 'functional analysis'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802145'] | ['We build the two dimensional Gross-Neveu model by a new method which requires neither cluster expansion nor discretization of phase-space. It simply reorganizes the perturbative series in terms of trees. With this method we can for the first time define non perturbatively the renormalization group differential equati... | ['1998-02-23'] |
9,128 | ['eng'] | ['Seiberg, N'] | ['The Superworld'] | ['Particle Physics - Theory'] | ['talk', 'supersymmetry', 'gauge field theory, Yang-Mills', 'supergravity', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802144'] | ['An overview of supersymmetry and its different applications is presented. We motivate supersymmetry in particle physics. We then explain how supersymmetry helps us analyze field theories exactly, and what dynamical lessons these solutions teach us. Finally, we describe how supersymmetry is used to derive exact result... | ['1998-02-23'] |
9,129 | ['eng'] | ['Kleihaus, B', 'Kunz, J', 'Sood, A K', 'Wirschins, M'] | ['Sequences of globally regular and black hole solutions in SU(4) Einstein-Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(4)', 'Einstein equation', 'field equations, solution', 'black hole', 'symmetry, rotational', 'embedding, SU(2)', 'critical phenomena', 'bifurcation', 'boundary condition', 'charge, magnetic', 'dilaton', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802143'] | ['SU(4) Einstein-Yang-Mills theory possesses sequences of static spherically symmetric globally regular and black hole solutions. Considering solutions with a purely magnetic gauge field, based on the 4-dimensional embedding of $su(2)$ in $su(4)$, these solutions are labelled by the node numbers $(n_1,n_2,n_3)$ of the ... | ['1998-02-23'] |
9,130 | ['eng'] | ['Brout, R', 'Englert, F'] | ['Spontaneous Symmetry Breaking in Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Jerusalem 1997/08/19', 'particle physics, history', 'gauge field theory, Yang-Mills', 'Higgs model', 'symmetry, spontaneously broken'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802142'] | ['The personal and scientific history of the discovery of spontaneous symmetry breaking in gauge theories is outlined and its scientific content is reviewed'] | ['1998-02-23'] |
9,131 | ['fre'] | ['Rausch de Traubenberg, M'] | ['Algèbres de Clifford, Supersymétrie et Symétries $Z_n'] | ['Particle Physics - Theory'] | ['thesis', 'algebra, Clifford', 'supersymmetry, fractional', 'symmetry, Z(N)', 'algebra, Grassmann', 'algebra, Heisenberg', 'quantum group', 'model, oscillator', 'invariance, conformal', 'anyon', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802141'] | ['After a short introduction on Clifford algebras of polynomials, we give a general method of constructing a matrix representation. This process of linearization leads naturally to two fundamental structures: the generalized Clifford algebra (GCA) and the generalized Grassmann algebra (GGA) which are studied. Then, it ... | ['1998-02-23'] |
9,132 | ['eng'] | ['Gaida, I'] | ['N = 2 Supersymmetric Quantum Black Holes in Five Dimensional Heterotic String Vacua'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 5', 'vacuum state', 'field equations, solution', 'fluctuation', 'quantization', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802140'] | ['Exact black hole solutions of the five dimensional heterotic $S$-$T$-$U$ model including all perturbative quantum corrections and preserving $1/2$ of $N=2$ supersymmetry are studied. It is shown that the quantum corrections yield a bound on electric charges and harmonic functions of the solutions.'] | ['1998-02-23'] |
9,133 | ['eng'] | ['Gates, S J', 'Kadoyoshi, T', 'Nojiri, S', 'Odintsov, S D'] | ['Quantum cosmology in the models of 2d and 4d dilatonic supergravity with WZ matter'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'supergravity', 'field theory, dilaton', 'dimension, 4', 'dimension, 2', 'string model', 'effective action', 'back reaction', 'astrophysics', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802139'] | ['We consider $N=1$ d2 dilatonic supergravity (SG), 2d dilatonic SG obtained by dimensional reduction from $N=1$ d4 SG, $N=2$ d2 dilatonic SG and string-inspired 4d dilatonic SG. For all the theories, the corresponding action on a bosonic background is constructed and the interaction with $N$ (dilatonic) WZ multiplets ... | ['1998-02-23'] |
9,134 | ['eng'] | ['Tanii, Y'] | ['Introduction to Supergravities in Diverse Dimensions'] | ['Particle Physics - Theory'] | ['review, Kyoto 1996/03/27', 'supergravity', 'dimension, >=4', 'spinor', 'multiplet', 'sigma model, nonlinear', 'duality', 'membrane model, p-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802138'] | ['Supergravities in four and higher dimensions are reviewed. We discuss the action and its local symmetries of N=1 supergravity in four dimensions, possible types of spinors in various dimensions, field contents of supergravity multiplets, non-compact bosonic symmetries, non-linear sigma models, duality symmetries of a... | ['1998-02-23'] |
9,135 | ['eng'] | ['Haskins, M', 'Speight, J M'] | ['Breathers in the weakly coupled topological discrete sine-Gordon system'] | ['Particle Physics - Theory'] | ['sine-Gordon equation, solution', 'dimension, 2', 'space, discrete', 'expansion, weak coupling', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802137'] | ['Existence of breather (spatially localized, time periodic, oscillatory) solutions of the topological discrete sine-Gordon (TDSG) system, in the regime of weak coupling, is proved. The novelty of this result is that, unlike the systems previously considered in studies of discrete breathers, the TDSG system does not de... | ['1998-02-20'] |
9,136 | ['eng'] | ['Gusynin, V P', 'Miransky, V A', 'Shpagin, A V'] | ['Effective Action and Conformal Phase Transition in $QED_{3}$'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'operator, composite', 'effective action', 'effective potential', 'expansion 1/N, flavor', 'critical phenomena, conformal', 'photon, excited state', 'photon, spectra', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802136'] | ['The effective action for local composite operators in $QED_3$ is considered. The effective potential is calculated in leading order in $1/N_f$ ($N_f$ is the number of fermion flavors) and used to describe the features of the phase transition at $N_f=N_{cr}$, $3<N_{cr}<5$. It is shown that this continuous phase transi... | ['1998-02-20'] |
9,137 | ['eng'] | ['Cruz, W'] | ['Hausdorff dimension, fractional spin particles and Chern-Simons effective potential'] | ['Particle Physics - Theory'] | ['particle, interaction', 'dimension, Hausdorff', 'spin, fractional', 'statistics', 'Chern-Simons term', 'effective potential', 'invariance, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802135'] | ['We obtain for any spin, $s$, the Hausdorff dimension, $h_{i}$, for fractional spin particles and we discuss the connection between this number, $h_{i}$, and the Chern-Simons potential. We also define the topological invariants, $W_s$, in terms of the statistics of these particles.'] | ['1998-02-20'] |
9,138 | ['eng'] | ['Shevchenko, V I', 'Simonov, Yu A'] | ['Generalized Coordinate Gauge and Nonabelian Stokes Theorem'] | ['Particle Physics - Theory'] | ['field theory, vector', 'field theory, tensor', 'transformation, space-time', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802134'] | ['A (coordinate) gauge of general type is introduced where 1-form (vector potential) is expressed as a contour integral of the 2-form (field strength) along an arbitrary contour $C$. For a special class of contours the gauge condition reduces to $k_{\\mu}(x) A_{\\mu}(x) = 0 $ where $k_{\\mu}(x)$ is a tangent vector to ... | ['1998-02-20'] |
9,139 | ['eng'] | ['Tseytlin, Arkady A'] | ['Open superstring partition function in constant gauge field background at finite temperature'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'string, open', 'partition function', 'gauge field theory, background field', 'path integral, boundary condition', 'finite temperature', 'membrane model, D-brane', 'gauge field theory, Yang-Mills', 'analytic properties', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802133'] | ['We find the general expression for the superstring partition function on the annulus in a constant abelian gauge field background and at finite temperature. We use the approach based on Green-Schwarz string path integral in the light-cone gauge and compare it with NSR approach. Some D-brane applications are mentioned... | ['1998-02-20'] |
9,140 | ['eng'] | ['Smirnov, F A'] | ['Quasi-classical Study of Form Factors in Finite Volume'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'form factor', 'approximation, quasiclassical', 'algebra, Virasoro', 'Korteweg-de Vries equation, solution', 'Hamiltonian formalism', 'solution, finite size', 'Baxter equation', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802132'] | ['We construct the quasi-classical approximation of the form factors in finite volume using the separation of variables. The latter is closely related to the Baxter equation.'] | ['1998-02-20'] |
9,141 | ['eng'] | ['Ioannidou, T A', 'Zakrzewski, W J'] | ["A Note on Ward's Chiral Model"] | ['Particle Physics - Theory'] | ['model, chiral', 'dimension, 3', 'integrability', 'momentum', 'energy, density', 'gauge field theory, Yang-Mills', 'Higgs model', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802131'] | ["A one parameter generalization of Ward's chiral model in 2+1 dimensions is given. Like the original model the present one is integrable and possesses a positive-definite and conserved energy and $y$-momentum. The details of the scattering depend on the value of the parameter of the generalisation."] | ['1998-02-20'] |
9,142 | ['eng'] | ['Carroll, R'] | ['Prepotentials and Riemann surfaces'] | ['Particle Physics - Theory'] | ['review', 'gauge field theory, Yang-Mills', 'supersymmetry', 'geometry, algebra', 'Seiberg-Witten model', 'Riemann surfaces', 'differential forms', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802130'] | ['We organize and review some material from various sources about prepotentials, Riemann surfaces and kernels, WDVV, and the renormalization group, provide some further connections and information, and indicate some directions and problems.'] | ['1998-02-20'] |
9,143 | ['eng'] | ['Bigatti, D'] | ['Non commutative geometry for outsiders'] | ['Particle Physics - Theory'] | ['review', 'differential geometry, noncommutative', 'fibre bundle', 'differential forms', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802129'] | ['Part 1: An elementary introduction to motivations and tools. Since the subject of noncommutative geometry is now entering maturity, we felt there is need for presentation of the material at an undergraduate course level. The present review is a zero order approximation to this project. The work is organized in two pa... | ['1998-02-20'] |
9,144 | ['eng'] | ['Deo, B B'] | ['Theory of a Novel Superstring in Four Dimension'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'string, open', 'fermion, Majorana', 'algebra, Virasoro'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802128'] | ["An open string in four dimensions is supplemented by forty four Majorana fermions. The fermions are grouped in such a way that the resulting action is supersymmetric. The super-Virasoro algebra is constructed and closed by the use of Jacobi identity. The tachyonic ground state decouples from the physical states. Afte... | ['1998-02-20'] |
9,145 | ['eng'] | ['Sato, H T', 'Schmidt, M G'] | ['Exact Combinatorics of Bern-Kosower-type Amplitudes for Two-Loop $\\Phi^{3}$ Theory'] | ['Particle Physics - Theory'] | ['phi**n model, 3', 'n-point function', 'perturbation theory, higher-order', 'higher-order, 2', 'background field', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802127'] | ['Counting the contribution rate of a world-line formula to Feynman diagrams in Bern-Kosower-like amplitudes derived from a bosonic string theory for $N$-point two-loop Feynman amplitudes. In this connection we also present a method to derive simple and compact world-line forms for the effective action.'] | ['1998-02-20'] |
9,146 | ['eng'] | ['Ferrara, Sergio', 'Frønsdal, Christian'] | ['Gauge Fields as Composite Boundary Excitations'] | ['Particle Physics - Theory'] | ['gauge field theory, conformal', 'model, composite', 'space-time, de Sitter', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802126'] | ['We investigate representations of the conformal group that describe "massless" particles in the interior and at the boundary of anti-de Sitter space. It turns out that massless gauge excitations in anti-de Sitter are gauge "current" operators at the boundary. Conversely, massless excitations at the boundary are topol... | ['1998-02-19'] |
9,147 | ['eng'] | ['Veldhuis, T A'] | ['The Low Energy Behavior of some Models with Dynamical Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(5)', 'gauge field theory, chiral', 'fermion, flavor', 'supersymmetry, dynamically broken', 'effective action', 'sigma model, nonlinear', 'moduli space', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802125'] | ['We study supersymmetric SU(5) chiral gauge theories with 2 fields in the 10 representation, $2+N_F$ fields in the $\\bar{5}$ representation and $N_F$ fields in the 5 representation, for $N_F=0,1,2$. With a suitable superpotential, supersymmetry is shown to be broken dynamically for each of these values of $N_F$. We a... | ['1998-02-19'] |
9,148 | ['eng'] | ['Baskerville, W K', 'Michaels, R'] | ['Classification of Normal Modes for Multiskyrmions'] | ['Particle Physics - Theory'] | ['Skyrme model', 'baryon number, high', 'Skyrmion, bound state', 'excited state, multipole', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802124'] | ['The normal mode spectra of multiskyrmions play a key role in their quantisation. We present a general method capable of predicting all the low-lying vibrational modes of known minimal energy multiskyrmions. In particular, we explain the origin of the higher multipole breathing modes, previously observed but not under... | ['1998-02-19'] |
9,149 | ['eng'] | ['Ioannidou, T A', 'Zakrzewski, W J'] | ['Solutions of the Modified Chiral Model in (2+1) Dimensions'] | ['Particle Physics - Theory'] | ['model, chiral', 'dimension, 3', 'field equations, solution', 'symmetry, SU(N)', 'energy, density', 'soliton, interaction', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802122'] | ['This paper deals with classical solutions of the modified chiral model on $R^{2+1}$. Such solutions are shown to correspond to products of various factor which we call time-dependent unitons. Then the problem of solving the system of second-order partial differential equations for the chiral field is reduced to solvi... | ['1998-02-19'] |
9,150 | ['eng'] | ['Ivashchuk, V D', 'Melnikov, V N'] | ['Madjumdar-Papapetrou Type Solutions in Sigma-model and Intersecting p-branes'] | ['Particle Physics - Theory'] | ['sigma model', 'membrane model, p-brane', 'supergravity', 'horizon', 'field equations, solution', 'algebra, Lie', 'algebra, Kac-Moody', 'dimension, 11', 'dimension, 12'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802121'] | ['The block-orthogonal generalization of the Madjumdar-Papapetrou type solutions for the sigma-model studied earlier in \\cite{IM4}-\\cite{IMC} are obtained and corresponding solutions with p-branes are considered. The existence of solutions and the number of independent harmonic functions is defined by the matrix of s... | ['1998-02-19'] |
9,151 | ['eng'] | ['Sifuentes, R C', 'Alves-Dias, S'] | ['Renormalization of Two-Dimensional Quantum Electrodynamics'] | ['Particle Physics - Theory'] | ['Schwinger model', 'dimension, 2', 'renormalization', 'regularization', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808121'] | ["The Schwinger model, when quantized in a gauge non-invariant way exhibits a dependence on a parameter $a$ (the Jackiw-Rajaraman parameter) in a way which is analogous to the case involving chiral fermions (the chiral Schwinger model). For all values of $a\\neq 1$, there are divergences in the fermionic Green's functi... | ['1998-08-20'] |
9,152 | ['eng'] | ['Brodsky, S J', 'Hiller, J R', 'McCartor, G'] | ['Pauli-Villars as a Nonperturbative Ultraviolet Regulator in Discretized Light-Cone Quantization'] | ['Particle Physics - Theory'] | ['quantization, light cone', 'discrete', 'regularization, Pauli-Villars', 'nonperturbative', 'renormalization', 'model, Yukawa', 'fermion, propagator', 'effective Hamiltonian', 'invariance, Lorentz', 'symmetry, discrete', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802120'] | ['We propose a solution to the problem of renormalizing light-cone Hamiltonian theories while maintaining Lorentz invariance and other symmetries. The method uses generalized Pauli--Villars regulators to render the theory finite. We discuss the method in the context of Yukawa theory at one loop and for a soluble model ... | ['1998-02-18'] |
9,153 | ['eng'] | ['Mavromatos, Nikolaos E', 'Momen, A'] | ['Induced Magnetic moments in three-dimensional gauge theories with external magnetic fields'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2) x U(1)', 'dimension, 3', 'magnetic moment, induced', 'parity, violation', 'magnetic field, external field', 'symmetry, dynamically broken', 'fermion, flavor', 'fermion, massive', 'energy levels', 'algebra, Dirac', 'superconducting, model', 'temperature, high'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802119'] | ['We study the appearance of induced parity-violating magnetic moment, in the presence of external magnetic fields, for even-number of fermion species coupled to dynamical fields in three dimensions. Specifically, we use a SU(2)xU(1) gauge model for dynamical gauge symmetry breaking, which is also proposed recently as ... | ['1998-02-18'] |
9,154 | ['eng'] | ['Henneaux, M', 'Wilch, A'] | ['Local BRST cohomology of the gauged principal non-linear sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'gauge field theory, Yang-Mills', 'cohomology, Becchi-Rouet-Stora', 'Wess-Zumino term', 'field theory, topological', 'perturbation theory', 'ghost', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802118'] | ['The local BRST cohomology of the gauged non-linear sigma model on a group manifold is worked out for any Lie group G. We consider both, the case where the gauge field is dynamical and the case where it has no kinetic term (G/G topological theory). Our results shed a novel light on the problem of gauging the WZW term ... | ['1998-02-18'] |
9,155 | ['eng'] | ['Zaslavskii, O B'] | ['Two-Dimensional Self-Consistent Quantum-Corrected Geometries with a Constant Dilaton Field'] | ['Particle Physics - Theory'] | ['dilaton', 'gravitation', 'dimension, 2', 'black hole, horizon', 'quantization, effect', 'strong coupling', 'back reaction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802117'] | ['It is argued that the existence of constant dilaton field solutions is a generic feature of string-inspired dilaton gravity. Such solutions arise in the extreme limit of black hole metrics. It is shown that in a strong coupling region quantum effects give rise to two horizons in thermal equilibrium that has no classi... | ['1998-02-18'] |
9,156 | ['eng'] | ['Horowitz, Gary T', 'Ooguri, H'] | ['Spectrum of Large N Gauge Theory from Supergravity'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'expansion 1/N', 'supersymmetry', 'string model', 'supergravity', 'duality', 'space, sphere', 'energy spectrum', 'space-time, anti-de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802116'] | ['Recently, Maldacena proposed that the large N limit of the N=4 supersymmetric gauge theory in four dimensions with U(N) gauge group is dual to the semi-classical type IIB supergravity on AdS_5 x S^5. We use this proposal to study the spectrum of the large N gauge theory on S^3 in a low energy regime. We find that the... | ['1998-02-17'] |
9,157 | ['eng'] | ["D'Urríes, F J", 'Julve, J'] | ['Ostrogradski Formalism for Higher-Derivative Scalar Field Theories'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'derivative, high', 'relativistic', 'invariance, Lorentz', 'phase space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802115'] | ['The extension of the Ostrogradski method to relativistic field theories is presented, reducing them to second order theories with one explicit independent scalar field for each degree of freedom. As an example of what happens with physically relevant theories like effective gravity, we consider the covariant relativi... | ['1998-02-17'] |
9,158 | ['eng'] | ['Meggiolaro, E'] | ['The topological susceptibility of QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'susceptibility, topological', 'field theory, Minkowski', 'field theory, Euclidean', 'lattice field theory', 'finite temperature', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802114'] | ["We show how the topological susceptibility in the Minkowskian theory of QCD is related to the corresponding quantity in the Euclidean theory, which is measured on the lattice. We discuss both the zero-temperature case (T = 0) and the finite-temperature case (T > 0). It is shown that the two quantities are equal when ... | ['1998-02-17'] |
9,159 | ['eng'] | ['Falkenberg, S', 'Geyer, B'] | ['Effective Average Action in N=1 Super-Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'effective action', 'invariance, Becchi-Rouet-Stora', 'renormalization, beta function', 'Slavnov identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802113'] | ['For N=1 Super-Yang-Mills theory we generalize the effective average action Gamma_k in a manifest supersymmetric way using the superspace formalism. The exact evolution equation for Gamma_k is derived and, introducing as an application a simple truncation, the standard one-loop beta-function of N=1 SYM theory is obtai... | ['1998-02-17'] |
9,160 | ['eng'] | ['Saller, H'] | ['The Central Correlations of Hypercharge, Isospin, Colour and Chirality in the Standard Model'] | ['Particle Physics - Theory'] | ['grand unified theory, SU(3) x SU(2) x U(1)', 'hypercharge, fractional', 'isospin', 'color', 'correlation', 'symmetry, chiral', 'group theory, representation', 'fermion', 'charge', 'algebra, U(N)', 'group theory, electromagnetic', 'symmetry, Z(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802112'] | ['The correlation of the fractionally represented hypercharge group with the isospin and colour group in the standard model determines as faithfully represented internal group the quotient group ${\\U(1)\\x\\SU(2)\\x\\SU(3)\\over\\Z_2\\x\\Z_3}$. The discrete cyclic central abelian-nonabelian internal correlation involv... | ['1998-02-17'] |
9,161 | ['eng'] | ['Majumdar, P', 'Sen-Gupta, S K'] | ['Gaugino mass in the Heterotic string with Scherk-Schwarz compactification'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'mass, gaugino', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802111'] | ['The generic observable sector gaugino mass in the weakly-coupled heterotic string compactified to four dimensions by the Scherk-Schwarz scheme (together with hidden sector gaugino condensation inducing the super-Higgs effect with a vanishing cosmological constant) is shown to be non-zero at tree level, being of the o... | ['1998-02-17'] |
9,162 | ['eng'] | ['Burinskii, A'] | ['Spinning Particle as a Super Black Hole'] | ['Particle Physics - Theory'] | ['talk, Jerusalem 1997/06/22', 'talk, Hyderabad 1997/12/11', 'talk, Pune 1997/12/16', 'particle, spin', 'black hole', 'geometry, Kerr', 'supersymmetry, superspace'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802110'] | ['A natural combined model of the Kerr spinning particle and superparticle is obtained leading to a non-trivial super black hole solution. By analogue with complex structure of the Kerr solution we perform a supershift on the Kerr geometry, and then select a "body"-submanifold of superspace that yields a non-trivial su... | ['1998-02-17'] |
9,163 | ['eng'] | ['Gubser, S S', 'Klebanov, Igor R', 'Polyakov, A M'] | ['Gauge Theory Correlators from Non-Critical String Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'string model', 'supergravity', 'correlation function', 'scaling, violation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802109'] | ["We suggest a means of obtaining certain Green's functions in 3+1-dimensional ${\\cal N} = 4$ supersymmetric Yang-Mills theory with a large number of colors via non-critical string theory. The non-critical string theory is related to critical string theory in anti-deSitter background. Our work shows the necessity of i... | ['1998-02-17'] |
9,164 | ['eng'] | ['Lee, K', 'Lü, C'] | ['SU(2) Calorons and Magnetic Monopoles'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'space-time, R(3) x S(1)', 'symmetry breaking, Wilson loop', 'symmetry, spontaneously broken', 'magnetic monopole', 'instanton', 'moduli space', 'field equations, solution', 'finite temperature'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802108'] | ['We investigate the self-dual Yang-Mills gauge configurations on $R^3\\times S^1$ when the gauge symmetry SU(2) is broken to U(1) by the Wilson loop. We construct the explicit field configuration for a single instanton by the Nahm method and show that an instanton is composed of two self-dual monopoles of opposite mag... | ['1998-02-17'] |
9,165 | ['eng'] | ['Floratos, Emmanuel G', 'Kehagias, A A'] | ['Eight-Dimensional Self-Dual Spaces'] | ['Particle Physics - Theory'] | ['gravitation, instanton', 'field equations, solution', 'space-time', 'dimension, 8', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802107'] | ['We discuss higher-dimensional gravitational instantons by studying appropriate self-duality equations for the spin connection. In seven and in eight dimensions, the corresponding spaces admit a covariantly constant spinor and have holonomies in G_2 and Spin(7), respectively. We find a non-compact solution to the self... | ['1998-02-17'] |
9,166 | ['eng'] | ['Salesi, G', 'Recami, E', 'Hernández, F H', 'Kretly, L C'] | ['Hydrodynamics of Spinning Particles'] | ['Particle Physics - Theory'] | ['scalar particle', 'spin', 'nonrelativistic', 'velocity', 'current, Pauli', 'potential', 'model, fluid', 'model, hydrodynamical', 'Schroedinger equation', 'algebra, tensor', 'mathematical methods, variational', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802106'] | ['In this note, we first obtain the decomposition of the non-relativistic field velocity into the classical part (i.e., the velocity w=p/m OF the center-of-mass (CM), and the so-called quantum part (i.e., the velocity V of the motion IN the CM frame (namely, the internal spin-motion or Zitterbewegung), these two parts ... | ['1998-02-17'] |
9,167 | ['eng'] | ['Fujii, K', 'Suzuki, T'] | ['Nonlinear Sigma Models in (1+2)-Dimensions and an Infinite Number of Conserved Currents'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 3', 'current, conservation law', 'field theoretical model, CP(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802105'] | ['We treat in this paper non-linear sigma models such as $CP^1$-model, $QP^1$-model and etc, in 1+2 dimensions. For submodels of such ones we definitely construct an infinite number of nontrivial conserved currents. Our result is a generalization of that of authors (Alvarez, Ferreira and Guillen).'] | ['1998-02-17'] |
9,168 | ['eng'] | ['Franco, D H T', 'Negrao, M G', 'Rodrigues-Pereira, A', 'Helayël-Neto, José A'] | ['On the Geometry of Two-Dimensional Anisotropic Non-Linear Sigma Models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'anisotropy', 'dimension, 2', 'geometry', 'anomaly', 'torsion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802104'] | ['One discusses here the connection between sigma-model gauge anomalies and the existence of a connection with torsion that does not flat the Ricci tensor of the target manifold. The influence of an eventual anisotropy along a certain internal direction is also contemplated.'] | ['1998-02-23'] |
9,169 | ['eng'] | ['Ibáñez, L E'] | ['A Chiral D=4, N=1 String Vacuum with a Finite Low Energy Effective Field Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'field theory, finite', 'effective Lagrangian', 'gauge field theory, SU(4)**3', 'multiplet, chiral', 'orientifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802103'] | ['Supersymmetric N=1, D=4 string vacua are known to be finite in perturbation theory. However, the effective low energy D=4, N=1 field theory lagrangian does not yield in general finite theories. In this note we present the first (to our knowledge) such an example. It may be constructed in three dual ways: i) as a $Z_3... | ['1998-02-23'] |
9,170 | ['eng'] | ['Kogan, I I', 'Lewis, A'] | ['Vacuum Instability in Chern-Simons Theory, Null Vectors and Two-Dimensional Logarithmic Operators'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'gauge field theory, SU(2)', 'mass, topological', 'dimension, 3', 'field theory, conformal', 'dimension, 2', 'charge', 'vacuum state, stability', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802102'] | ['A new relation between two-dimensional conformal field theories and three-dimensional topologically massive gauge theories is found, where the dynamical nature of the 3d theory is ultimately important. It is shown that the those primary states in CFT which have non-unitary descendants correspond in the 3d theory to s... | ['1998-02-23'] |
9,171 | ['eng'] | ['Itoh, T', 'Kato, H'] | ['Dynamical Generation of Fermion Mass and Magnetic Field in Three-Dimensional QED with Chern-Simons Term'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'Chern-Simons term', 'fermion, mass generation', 'symmetry, dynamically broken', 'screening', 'magnetic field, production', 'vacuum state, stability', 'symmetry breaking, Lorentz', 'fermion, mass generation', 'symmetry, U(N)', 'Dyson-Schwinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802101'] | ['We study dynamical symmetry breaking in three-dimensional QED with Chern-Simons term, considering the screening effect of $N$ flavor fermions. We find a new phase of vacuum, on which both fermion mass and magnetic field are dynamically generated, when the coefficient of Chern-Simons term $\\kappa$ equals $N e^2/4 \\p... | ['1998-02-23'] |
9,172 | ['eng'] | ['Janik, R A', 'Wosiek, J'] | ['Solution of the Odderon Problem'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'odderon', 'Regge poles', 'gluon, Regge', 'Lipatov equation, pomeron', 'Baxter equation, solution', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802100'] | ['The intercept of the odderon trajectory is derived, by finding the spectrum of the second integral of motion of the three reggeon system in high energy QCD. When combined with earlier solution of the appropriate Baxter equation, this leads to the determination of the low lying states of that system. In particular, th... | ['1998-02-23'] |
9,173 | ['eng'] | ['Metsaev, R R'] | ['Fermionic fields in the d-dimensional anti-de Sitter spacetime'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'any-dimensional', 'fermion, representation', 'symmetry, SO(N)', 'transformation, gauge', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802097'] | ['Arbitrary spin free massless fermionic fields corresponding to mixed symmetry representations of the \\hbox{$SO(d-1)$} compact group and propagating in even $d$-dimensional anti-de Sitter spacetime are investigated. Free wave equations of motion, subsidiary conditions and the corresponding gauge transformations for s... | ['1998-02-23'] |
9,174 | ['eng'] | ['Christiansen, H R', 'Cunha, M S', 'Helayël-Neto, José A', 'Mansur, L R', 'Nogueira, A L M A'] | ['N=2-Maxwell-Chern-Simons Model with Anomalous Magnetic Moment Coupling via Dimensional Reduction'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'magnetic moment, coupling', 'supersymmetry, superfield', 'dimensional reduction', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802096'] | ['An N=1--supersymmetric version of the Cremmer-Scherk-Kalb-Ramond model with non-minimal coupling to matter is built up both in terms of superfields and in a component-field formalism. By adopting a dimensional reduction procedure, the N=2--D=3 counterpart of the model comes out, with two main features: a genuine (dia... | ['1998-02-23'] |
9,175 | ['eng'] | ['Halperin, I', 'Zhitnitsky, A R'] | ['"Integrating in" and Effective Lagrangian for Non-Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'effective Lagrangian', 'vacuum state, Theta parameter', 'membrane model', 'fermion, mass', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802095'] | ['Recently a non-supersymmetric analog of Veneziano-Yankielowicz (VY) effective Lagrangian has been derived and applied for the analysis of the \\theta dependence in pure Yang-Mills theory. This effective Lagrangian is similar in many respects to the VY construction and, in particular, exhibits a kind of low energy hol... | ['1998-02-15'] |
9,176 | ['eng'] | ['Donagi, R Y'] | ['Taniguchi Lecture on Principal Bundles on Elliptic Fibrations'] | ['Particle Physics - Theory'] | ['talk', 'fibre bundle', 'moduli space', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802094'] | ["In this talk we discuss the description of the moduli space of principal G-bundles on an elliptic fibration X-->S in terms of cameral covers and their distinguished Prym varieties. We emphasize the close relationship between this problem and the integrability of Hitchin's system and its generalizations. The discussio... | ['1998-02-15'] |
9,177 | ['eng'] | ['Donagi, R Y'] | ['ICMP lecture on Heterotic/F-theory duality'] | ['Particle Physics - Theory'] | ['talk, Brisbane 1997/07/13', 'string model, heterotic', 'duality', 'F-theory', 'space, Calabi-Yau', 'moduli space', 'fibre bundle', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802093'] | ['The heterotic string compactified on an (n-1)-dimensional elliptically fibered Calabi-Yau Z-->B is conjectured to be dual to F-theory compactified on an n-dimensional Calabi-Yau X-->B, fibered over the same base with elliptic K3 fibers. In particular, the moduli of the two theories should be isomorphic. The cases mos... | ['1998-02-15'] |
9,178 | ['eng'] | ['Brodie, J', 'Cho, P', 'Intriligator, K'] | ['Misleading Anomaly Matchings?'] | ['Particle Physics - Theory'] | ['anomaly', 'gauge field theory, SO(N)', 'supersymmetry', 'vacuum state', 'moduli space', 'group theory', 'gauge field theory, Sp(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802092'] | ["We investigate the low energy dynamics of N=1 supersymmetric SO(N) gauge theories with a single symmetric tensor matter field. These theories exhibit non-trivial matching of global 't Hooft anomalies at the origin of moduli space. We argue that their quantum moduli spaces possess distinct Higgs and confining branches... | ['1998-02-15'] |
9,179 | ['eng'] | ['Arefieva, I Y', 'Volovich, I V'] | ['Matrix Theory in Curved Space'] | ['Particle Physics - Theory'] | ['space-time', 'M-theory', 'string model', 'gauge field theory, Yang-Mills', 'supersymmetry', 'expansion 1/N', 'any-dimensional', 'membrane model, D-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802091'] | ['According to the Matrix theory proposal of Banks, Fischler, Shenker and Susskind M-theory in the infinite momentum frame is the large N limit of super Yang-Mills theory in a flat background. To address some physical issues of classical gravity such as gravitational collapse and cosmological expansion we consider an e... | ['1998-02-15'] |
9,180 | ['eng'] | ['Russo, Jorge G'] | ['Construction of SL(2,Z) invariant amplitudes in type IIB superstring theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'scattering amplitude, higher-order', 'symmetry, SL(2,Z)', 'duality', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802090'] | ['The construction of SL(2,Z) invariant amplitudes that generalize the Virasoro amplitude is investigated in detail. We describe a number of mathematical properties that characterize the simplest example, and present pieces of evidence that it represents the tree-level four-graviton scattering amplitude in membrane the... | ['1998-02-15'] |
9,181 | ['eng'] | ['Periwal, V'] | ['Consistency of Wilsonian effective actions'] | ['Particle Physics - Theory'] | ['path integral', 'effective action', 'energy', 'two-point function', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802089'] | ['Wilsonian effective actions are interpreted as free energies in ensembles with prescribed field expectation values and prescribed connected two-point functions. Since such free energies are directly obtained from two-particle-irreducible functionals, it follows that Wilsonian effective actions satisfy elementary pert... | ['1998-02-15'] |
9,182 | ['eng'] | ['Billó, M', 'Di Vecchia, P', 'Frau, M', 'Lerda, A', 'Pesando, I', 'Russo, R', 'Sciuto, S'] | ['Microscopic string analysis of the D0-D8 brane system and dual R-R states'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane model, interaction', 'phase space', 'fermion, zero mode', 'invariance, Becchi-Rouet-Stora', 'operator, vertex', 'supergravity', 'factorization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802088'] | ['Using the boundary state formalism, we perform a microscopic string analysis of the interaction between two D-branes and provide a local interpretation for the R-R force in the D0-D8 brane system. To do so, we construct BRST invariant vertex operators for the massless R-R states in the asymmetric picture that are pro... | ['1998-02-15'] |
9,183 | ['eng'] | ['Wellmann, M'] | ['Adiabatic Vacuum states of the Dirac-field on a Curved Spacetime'] | ['Particle Physics - Theory'] | ['field theory, Dirac', 'space-time', 'vacuum state, adiabatic', 'axiomatic field theory', 'singularity', 'quantization', 'spinor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802087'] | ['In this article we review the quantization of the Dirac-field on a curved spacetime. For that purpose we describe the construction of the local observable algebras in the algebraic approach to quantum field theory. Among the possible states we single out the so called Hadamard-states, which are the ones relevant for ... | ['1998-02-15'] |
9,184 | ['eng'] | ['Bandelloni, G', 'Lazzarini, S'] | ['Kodaira-Spencer deformation of complex structures and Lagrangian field theory'] | ['Particle Physics - Theory'] | ['Lagrangian formalism', 'differential forms', 'analytic properties', 'integrability', 'cohomology', 'field theory, deformation', 'anomaly, diffeomorphism', 'vacuum state, anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802086'] | ["In complete analogy with the Beltrami parametrization of complex structures on a (compact) Riemann surface, we use in this paper the Kodaira-Spencer deformation theory of complex structures on a (compact) complex manifold of higher dimension. According to the Newlander-Nirenberg theorem, a smooth change of local comp... | ['1998-02-15'] |
9,185 | ['eng'] | ['Aoki, H', 'Iso, S', 'Kawai, H', 'Kitazawa, Y', 'Tada, T'] | ['Space-Time Structures from IIB Matrix Model'] | ['Particle Physics - Theory'] | ['matrix model', 'effective action', 'space-time', 'field theory, finite', 'gauge field theory, SU(N)', 'supersymmetry', 'string model', 'critical phenomena', 'expansion 1/N', 'polymer'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802085'] | ['We derive a long distance effective action for space-time coordinates from a IIB matrix model. It provides us an effective tool to study the structures of space-time. We prove the finiteness of the theory for finite $N$ to all orders of the perturbation theory. Space-time is shown to be inseparable and its dimensiona... | ['1998-02-15'] |
9,186 | ['eng'] | ['Akhmedov, E T', 'Chernodub, M N', 'Polikarpov, M I'] | ['Dyon Condensation and Aharonov-Bohm Effect'] | ['Particle Physics - Theory'] | ['Higgs model, abelian', 'string model', 'dyon, condensation', 'charge, topological', 'Wilson loop', 'Aharonov-Bohm effect'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802084'] | ['We derive the string representation of the Abelian Higgs theory in which dyons are condensed. It occurs that in such representation the topological interaction exists in the expectation value of the Wilson loop. Due to this interaction the dynamics of the string spanned on the Wilson loop is non-trivial.'] | ['1998-02-15'] |
9,187 | ['eng'] | ['Lazzarini, S'] | ['Flat Complex Vector Bundles, the Beltrami Differential and W-Algebras'] | ['Particle Physics - Theory'] | ['talk, Marseille 1995/07/03', 'algebra, W(N)', 'algebra, representation', 'differential forms', 'fibre bundle', 'transformation, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802083'] | ['Since the appearance of the paper by Bilal & al. in 1991, it has been widely assumed that W-algebras originating from the Hamiltonian reduction of an SL(n,C)-bundle over a Riemann surface give rise to a flat connection, in which the Beltrami differential may be identified. In this Letter, it is shown that the use of ... | ['1998-02-15'] |
9,188 | ['eng'] | ['Nakajima, T', 'Nishimura, J'] | ['Numerical Study of the Double Scaling Limit in Two-Dimensional Large N Reduced Model'] | ['Particle Physics - Theory'] | ['Eguchi-Kawai model', 'string model, nonperturbative', 'supersymmetry', 'matrix model', 'dimension, 2', 'approximation, planar', 'expansion 1/N', 'scaling', 'Wilson loop', 'two-point function', 'vertex function', 'numerical calculations, Monte Carlo'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802082'] | ['We study the two-dimensional Eguchi-Kawai model as a toy model of the IIB matrix model, which has been recently proposed as a nonperturbative definition of the type IIB superstring theory. While the planar limit of the model is known to reproduce the two-dimensional Yang-Mills theory, we find through Monte Carlo simu... | ['1998-02-15'] |
9,189 | ['eng'] | ['Shen, K', 'Kuang Yu Ping'] | ['Ward-Takahashi Identity and Dynamical Mass Generation in Abelian Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, abelian', 'field theory, composite', 'Ward-Takahashi identity', 'symmetry, dynamically broken', 'gauge boson, mass generation', 'fermion, mass generation', 'Higgs particle, mass generation', 'mass spectrum', 'Schwinger model', 'Goldstone particle, decay constant', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802081'] | ['We derive Ward-Takahashi identities including composite fields in Abelian gauge theories and the matching condition between the elementary field description and the composite field description. With these we develop an approach to dynamical symmetry breaking in Abelian gauge theories including the study of the dynami... | ['1998-02-15'] |
9,190 | ['eng'] | ['Roy, S'] | ['An SL(2,Z) Multiplet of Type IIB Super Five-Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'supersymmetry', 'symmetry, SL(2,Z)', 'string model', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802080'] | ['It is well-known that the low energy string theory admits a non-singular solitonic super five-brane solution which is the magnetic dual to the fundamental string solution. By using the symmetry of the type IIB string theory, we construct an SL(2, Z) multiplet of magnetically charged super five-branes starting from th... | ['1998-02-15'] |
9,191 | ['eng'] | ['De Boer, J', 'Halpern, M B'] | ['Conformal Field Theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'sigma model, nonlinear', 'gauge field theory', 'spin, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802079'] | ['In a short review of recent work, we discuss the general problem of constructing the actions of new conformal field theories from old conformal field theories. Such a construction follows when the old conformal field theory admits new conformal stress tensors in its chiral algebra, and it turns out that the new confo... | ['1998-02-13'] |
9,192 | ['eng'] | ["O'Raifeartaigh, Lochlainn", 'Sreedhar, V V'] | ['Path Integral Formulation of the Conformal Wess-Zumino-Witten $\\rightarrow$ Toda Reductions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'field theory, Toda', 'path integral', 'quantization', 'algebra, Kac-Moody', 'anomaly', 'dependence, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802078'] | ['The phase space path integral Wess-Zumino-Witten $\\to$ Toda reductions are formulated in a manifestly conformally invariant way. For this purpose, the method of Batalin, Fradkin, and Vilkovisky, adapted to conformal field theories, with chiral constraints, on compact two dimensional Riemannian manifolds, is used. It... | ['1998-02-23'] |
9,193 | ['eng'] | ["O'Raifeartaigh, Lochlainn", 'Sreedhar, V V'] | ['Path Integral Formulation of the Conformal Wess-Zumino-Witten to Liouville Reduction'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'quantization', 'path integral', 'field theory, Liouville', 'Wess-Zumino-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802077'] | ['The quantum Wess-Zumino-Witten $\\to$ Liouville reduction is formulated using the phase space path integral method of Batalin, Fradkin, and Vilkovisky, adapted to theories on compact two dimensional manifolds. The importance of the zero modes of the Lagrange multipliers in producing the Liouville potential and the WZ... | ['1998-02-13'] |
9,194 | ['eng'] | ['Bañados, M', 'Brotz, T', 'Ortiz, M'] | ['Boundary dynamics and the statistical mechanics of the 2+1 dimensional black hole'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 3', 'partition function', 'quantum gravity', 'Chern-Simons term', 'diffeomorphism', 'transformation, gauge', 'boundary condition', 'entropy', 'algebra, Kac-Moody', 'algebra, Virasoro', 'central charge', 'horizon, deformation', 'Wess-Zumino-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802076'] | ['We calculate the density of states of the 2+1 dimensional BTZ black hole by computing the black hole partition function in the micro- and grand-canonical ensembles. Our starting point is the relation between 2+1 dimensional quantum gravity and quantised Chern-Simons theory. In the micro-canonical ensemble, we find th... | ['1998-02-13'] |
9,195 | ['eng'] | ['Deser, Stanley D', 'Dunne, G', 'Griguolo, L', 'Lee, K', 'Lü, C', 'Seminara, D'] | ['Comment on "Non-thermalizability of a Quantum Field Theory"'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'effective action', 'invariance, gauge', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802075'] | ["We point out that the claims made in the paper ``Non-thermalizability of a Quantum Field Theory'' (hep-th/9802008) by C. R. Hagen are irrelevant to our recent results concerning large gauge invariance of the effective action in thermal QED."] | ['1998-02-13'] |
9,196 | ['eng'] | ['Nastase, H', 'Stephanov, M A', 'van Nieuwenhuizen, P', 'Rebhan, Anton K'] | ['Topological boundary conditions, the BPS bound, and elimination of ambiguities in the quantum mass of solitons'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion', 'soliton', 'quantization', 'fluctuation', 'mass spectrum', 'boundary condition', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802074'] | ['We fix the long-standing ambiguity in the 1-loop contribution to the mass of a 1+1-dimensional supersymmetric soliton by adopting a set of boundary conditions which follow from the symmetries of the action and which depend only on the topology of the sector considered, and by invoking a physical principle that ought ... | ['1998-02-13'] |
9,197 | ['eng'] | ['de Wit, B'] | ['Supermembranes and Super Matrix Theory'] | ['Particle Physics - Theory'] | ['talk, Buckow 1997/09/02', 'talk, Geneva 1997/12/03', 'supersymmetry', 'quantum mechanics', 'symmetry, SU(N)', 'expansion 1/N', 'membrane model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802073'] | ['We review recent developments in the theory of supermembranes and their relation to matrix models.'] | ['1998-02-13'] |
9,198 | ['eng'] | ['Hortacsu, M', 'Ulker, K'] | ['Gravitational shock waves and vacuum fluctuations'] | ['Particle Physics - Theory'] | ['gravitational radiation, shock waves', 'scalar particle', 'tensor, energy-momentum', 'vacuum state, fluctuation', 'propagator', 'infrared problem', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802072'] | ['We show that the vacuum expectation value of the stress-energy tensor of a scalar particle on the background of a spherical gravitational shock wave does not give a finite expression in second order perturbation theory, contrary to the case seen for the impulsive wave. No infrared divergences appear at this order. Th... | ['1998-02-13'] |
9,199 | ['eng'] | ['Salcedo, L L'] | ['Parity breaking in 2+1 dimensions and finite temperature'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'fermion', 'parity, violation', 'finite temperature', 'dimension, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802071'] | ['An explicit closed form is given for the parity anomalous component of the effective action of 2+1 dimensional fermions at finite temperature coupled to arbitrary external non Abelian and non stationary gauge field configurations. The calculation is based on a $\\zeta$-function regularization combined with a gauge co... | ['1998-02-13'] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.