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 |
|---|---|---|---|---|---|---|---|---|
9,000 | ['eng'] | ['Ng, Y J'] | ['Magnetic catalysis of chiral symmetry breaking and the Pauli problem'] | ['Particle Physics - Theory'] | ['talk, Monterey 1998/01/04', 'quantum electrodynamics', 'symmetry, chiral', 'symmetry, dynamically broken', 'Dyson-Schwinger equation, nonperturbative', 'magnetic field, external field', 'fundamental constant, fine structure', 'fermion, massless', 'fermion, propagator'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803074'] | ['The non-perturbative Schwinger-Dyson equation is used to show that chiral symmetry is dynamically broken in QED at weak gauge couplings when an external uniform magnetic field is present. A complete analysis of this phenomenon may shed light on the Pauli problem, namely, why $\\alpha$ = 1/137.'] | ['1998-03-10'] |
9,001 | ['eng'] | ['Giannakis, I', 'Liu, J T', 'Porrati, Massimo'] | ['Supersymmetric Sum Rules for Electromagnetic Multipoles'] | ['Particle Physics - Theory'] | ['supersymmetry', 'electric moment, multipole', 'magnetic moment, multipole', 'moment', 'sum rule, nonperturbative', 'multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803073'] | ['We derive model independent, non-perturbative supersymmetric sum rules for the magnetic and electric multipole moments of any theory with N=1 supersymmetry. We find that in any irreducible N=1 supermultiplet the diagonal matrix elements of the l-multipole moments are completely fixed in terms of their off-diagonal ma... | ['1998-03-10'] |
9,002 | ['eng'] | ['Lüst, Dieter'] | ['String Vacua with N=2 Supersymmetry in Four Dimensions'] | ['Particle Physics - Theory'] | ['talk, Philadelphia 1997/05/27', 'talk, Buckow 1997/09/02', 'talk, Neuchatel 1997/09/18', 'string model', 'supersymmetry', 'vacuum state', 'duality', 'spontaneous compactification', 'field theory, Calabi-Yau', 'supergravity', 'particle, multiplet', 'group theory, representation', 'geometry, algebra', 'F-theory', 'blac... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803072'] | ['In this article we review four-dimensional string vacua with N=2 space-time supersymmetry. In particular, we will discuss several aspects of the string-string duality between the heterotic string, compactified on $K3\\times T^2$, and the type II superstring compactified on a Calabi-Yau three-fold. We investigate the ... | ['1998-03-10'] |
9,003 | ['eng'] | ['Khorrami, M', 'Aghamohammadi, A', 'Ghezelbash, A M'] | ['Logarithmic N=1 superconformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'supersymmetry, superfield', 'algebra, Virasoro', 'n-point function, 3', 'n-point function, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803071'] | ["We study the logarithmic superconformal field theories. Explicitly, the two--point functions of N=1 logarithmic superconformal field theories (LSCFT) when the Jordan blocks are two (or more) dimensional, and when there are one (or more) Jordan block(s) have been obtained. Using the well known three-point fuctions of ... | ['1998-03-10'] |
9,004 | ['eng'] | ['Koide, T', 'Maruyama, M', 'Takagi, F'] | ["Mass Renormalization for Time Dependent Correlation Functions in Shibata-Hashitsume's Projection Operator Method"] | ['Particle Physics - Theory'] | ['Hamiltonian formalism', 'correlation function', 'time dependence', 'quantization', 'renormalization', 'temperature, 0', 'finite temperature', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803070'] | ["We study the time development of correlation functions at both zero and finite temperature with Shibata-Hashitsume's projection operator method and carry out the renormalization of ultraviolet divergence that appears in a time-dependent frequency shift, using a mass counter term. A harmless divergence of log t-type r... | ['1998-03-10'] |
9,005 | ['eng'] | ['Ahn, C', 'Lee, B H'] | ['SO/Sp Monopoles and Branes with Orientifold 3 Plane'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'supersymmetry', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'monopole', 'effective action', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803069'] | ['We study BPS monopoles in 4 dimensional N=4 SO(N) and Sp(N) super Yang-Mills theories realized as the low energy effective theory of N (physical and its mirror) parallel D3 branes and an {\\it Orientifold 3 plane} with D1 branes stretched between them in type IIB string theory. Monopoles on D3 branes give the natural... | ['1998-03-10'] |
9,006 | ['eng'] | ['Leigh, Robert G', 'Rozali, M'] | ['The Large N Limit of the (2,0) Superconformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'dimension, 6', 'expansion 1/N', 'supergravity', 'dimension, 11', 'Kaluza-Klein model', 'operator, algebra', 'particle, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803068'] | ["We discuss the large N limit of the (2,0) field theory in six dimensions. We do this by assuming the validity of Maldacena's conjecture of the correspondence between large N gauge theories and supergravity backgrounds, here $AdS_7\\times S^4$. We review the spectrum of the supergravity theory and compute the spectrum... | ['1998-03-10'] |
9,007 | ['eng'] | ['Ardalan, Farhad', 'Arfaei, H', 'Sheikh-Jabbari, S'] | ['Mixed Branes and M(atrix) Theory on Noncommutative Torus'] | ['Particle Physics - Theory'] | ['M-theory', 'matrix model', 'membrane model', 'space-time, torus', 'boundary condition', 'differential geometry, noncommutative', 'spontaneous compactification', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803067'] | ['We derive the noncommutative torus compactification of M(atrix) theory directly from the string theory by imposing mixed boundary conditions on the membranes. The relation of various dualities in string theory and M(atrix) theory compactification on the noncommutative torus are studied.'] | ['1998-03-10'] |
9,008 | ['eng'] | ['Kaloper, N', 'Khuri, R R', 'Myers, R C'] | ['On Generalized Axion Reductions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'spontaneous compactification', 'axion', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803066'] | ["Recently interest in using generalized reductions to construct massive supergravity theories has been revived in the context of M-theory and superstring theory. These compactifications produce mass parameters by introducing a linear dependence on internal coordinates in various axionic fields. Here we point out that ... | ['1998-03-10'] |
9,009 | ['eng'] | ['Dorey, N', 'Tong, D', 'Vandoren, S'] | ['Instanton Effects in Three-Dimensional Supersymmetric Gauge Theories with Matter'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'coupling, matter', 'dimension, 3', 'fermion, flavor', 'effective action', 'perturbation theory, higher-order', 'instanton', 'fluctuation', 'fermion, zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803065'] | ["Using standard field theory techniques we compute perturbative and instanton contributions to the Coulomb branch of three-dimensional supersymmetric QCD with N=2 and N=4 supersymmetry and gauge group SU(2). For the N=4 theory with one massless flavor, we confirm the proposal of Seiberg and Witten that the Coulomb bra... | ['1998-03-10'] |
9,010 | ['eng'] | ['Teo, E'] | ['Statistical entropy of charged two-dimensional black holes'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 2', 'entropy, statistical', 'duality', 'dimension, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803064'] | ["The statistical entropy of a five-dimensional black hole in Type II string theory was recently derived by showing that it is U-dual to the three-dimensional Banados-Teitelboim-Zanelli black hole, and using Carlip's method to count the microstates of the latter. This is valid even for the non-extremal case, unlike the... | ['1998-03-10'] |
9,011 | ['eng'] | ['Kondo, K I'] | ['Abelian-Projected Effective Gauge Theory of QCD with Asymptotic Freedom and Quark Confinement'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1997/12/02', 'gauge field theory, Yang-Mills', 'gauge field theory, abelian', 'renormalization, beta function', 'quantum chromodynamics', 'quark, confinement', 'asymptotic freedom', 'magnetic monopole', 'condensation', 'vacuum state', 'superconducting', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803063'] | ['We give an outline of a recent proof that the low-energy effective gauge theory exhibiting quark confinement due to magnetic monopole condensation can be derived from QCD without any specific assumption. We emphasize that the low-energy effective abelian gauge theories obtained here give the dual description of the s... | ['1998-03-10'] |
9,012 | ['eng'] | ['Mitra, A N'] | ['3D-4D Interlinkage Of qqq Wave Functions Under 3D Support For Pairwise Bethe-Salpeter Kernels'] | ['Particle Physics - Theory'] | ['quark, three-body problem', 'quark quark, interaction', 'quark antiquark, interaction', 'Bethe-Salpeter equation, wave function', 'dimension, 3', 'dimension, 4', 'Jona-Lasinio-Nambu model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803062'] | ["Using the method of Green's functions within a Bethe-Salpeter framework characterized by a pairwise qq interaction with a Lorentz-covariant 3D support to its kernel, the 4D BS wave function for a system of 3 identical relativistic spinless quarks is reconstructed from the corresponding 3D form which satisfies a fully... | ['1998-03-10'] |
9,013 | ['eng'] | ['Duff, Michael J', 'Lü, H', 'Pope, C N'] | ['$AdS_{5} x S^{5}$ Untwisted'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'gauge field theory, Yang-Mills', 'space-time, de Sitter', 'space-time, sphere', 'dimension, 10', 'spontaneous compactification', 'symmetry breaking', 'duality', 'membrane model, p-brane', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803061'] | ['Noting that T-duality untwists S^5 to CP^2 x S^1, we construct the duality chain: n=4 super Yang-Mills --> Type IIB superstring on AdS_5 x S^5 --> Type IIA superstring on AdS_5 x CP^2 x S^1 --> M-theory on AdS_5 x CP^2 x T^2. This provides another example of Supersymmetry Without Supersymmetry: on AdS_5 x CP^2 x S^1,... | ['1998-03-09'] |
9,014 | ['eng'] | ['Ferrara, Sergio', 'Zaffaroni, A'] | ['N=1,2 4D Superconformal Field Theories and Supergravity in $AdS_{5}$'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'dimension, 4', 'membrane model, D-brane', 'duality', 'supergravity', 'space-time, anti-de Sitter', 'dimension, 5', 'algebra, U(2,2|N)', 'algebra, representation', 'Chern-Simons term', 'singleton', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803060'] | ['We consider D3 branes world-volume theories substaining $N=1,2$ superconformal field theories. Under the assumption that these theories are dual to $N=2,4$ supergravities in $AdS_5$, we explore the general structure of the latter and discuss some issues when comparing the bulk theory to the boundary singleton theory.... | ['1998-03-09'] |
9,015 | ['eng'] | ['Filippov, A T', 'Ivanov, V G'] | ['A New Class of Integrable Models of 1+1 Dimensional Dilaton Gravity Coupled to Scalar Matter'] | ['Particle Physics - Theory'] | ['talk, Dubna 1997/07/28', 'gravitation', 'field theory, scalar', 'dilaton', 'dimension, 2', 'integrability', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803059'] | ['Integrable models of 1+1 dimensional gravity coupled to scalar and vector fields are briefly reviewed. A new class of integrable models with nonminimal coupling to scalar fields is constructed and discussed.'] | ['1998-03-09'] |
9,016 | ['eng'] | ['Meana, M L', 'Osorio, M A R', 'Peñalba, J P'] | ['Finite Temperature Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'finite temperature', 'partition function', 'M-theory', 'quantization, light cone', 'high temperature expansion', 'Born-Oppenheimer approximation', 'supergravity', 'gauge field theory, U(N)', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803058'] | ['We present the way the Lorentz invariant canonical partition function for Matrix Theory as a light-cone formulation of M-theory can be computed. We explicitly show how when the eleventh dimension is decompactified, the N=1 eleven dimensional SUGRA partition function appears. From this particular analysis we also clar... | ['1998-03-09'] |
9,017 | ['eng'] | ['Müger, M'] | ['On Soliton Automorphisms in Massive and Conformal Theories'] | ['Particle Physics - Theory'] | ['dimension, 2', 'transformation, soliton', 'field theory, conformal', 'field theory, massive', 'invariance, Poincare', 'axiomatic field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803057'] | ["For massive and conformal quantum field theories in 1+1 dimensions with a global gauge group we consider soliton automorphisms (SAs), viz. automorphisms of the quasilocal algebra which act like two different global symmetry transformations on the left and right spacelike complements of a bounded region. We give a uni... | ['1998-03-09'] |
9,018 | ['eng'] | ['Aoki, K', 'Morikawa, K', 'Souma, W', 'Sumi, J I', 'Terao, H'] | ['Rapidly Converging Truncation Scheme of the Exact Renormalization Group'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 3', 'renormalization group', 'perturbation theory, higher-order', 'expansion 1/N', 'effective potential', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803056'] | ['The truncation scheme dependence of the exact renormalization group equations is investigated for scalar field theories in three dimensions. The exponents are numerically estimated to the next-to-leading order of the derivative expansion. It is found that the convergence property in various truncations in the number ... | ['1998-03-09'] |
9,019 | ['eng'] | ['Uranga, A M'] | ['Towards Mass Deformed N=4 SO(n) and Sp(k) gauge theories from brane configurations'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'supersymmetry', 'symmetry breaking', 'analytic properties', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803054'] | ['We study the introduction of orientifold six-planes in the type IIA brane configurations known as elliptic models. The N=4 SO(n) and $Sp(k)$ theories softly broken to N=2 through a mass for the adjoint hypermultiplet can be realized in this framework in the presence of two orientifold planes with opposite RR charge. ... | ['1998-03-09'] |
9,020 | ['eng'] | ['Minwalla, S'] | ['Particles on $AdS_{4/7}$ and Primary Operators on $M_{2/5}$ Brane Worldvolumes'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'space-time, sphere', 'dimension, 11', 'algebra, conformal', 'algebra, representation', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803053'] | ['We identify a correspondence between the various spherical harmonic modes of massless 11 dimensional fields propagating on the $AdS_{4/7}$ in an $AdS_{4/7} primary under the conformal group, on the world volume of $M_2,M_5$ branes. This is achieved by matching representations of the superconformal algebra on the two ... | ['1998-03-06'] |
9,021 | ['eng'] | ['Barvinsky, A O', 'Kamenshchik, A Yu'] | ['Effective equations of motion and initial conditions for inflation in quantum cosmology'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'inflationary universe', 'chaos', 'field theory, inflaton', 'effective action, Euclidean', 'tunneling, wave function', 'grand unified theory', 'graviton', 'perturbation theory, higher-order', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803052'] | ['We obtain effective equations of inflationary dynamics for the mean inflaton and metric fields in the no-boundary and tunneling quantum states of the Universe. In the slow roll approximation (taking the form of the local Schwiger-DeWitt expansion) effective equations follow from the Euclidean effective action on the ... | ['1998-03-06'] |
9,022 | ['eng'] | ['Aharony, O', 'Oz, Y', 'Yin, Z'] | ['M Theory on $AdS_{p} x S^{11-p}$ and Superconformal Field Theories'] | ['Particle Physics - Theory'] | ['M-theory', 'field theory, conformal', 'supersymmetry', 'any-dimensional', 'membrane model', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803051'] | ['We study the large N limit of the interacting superconformal field theories associated with N M5 branes or M2 branes using the recently proposed relation between these theories and M theory on AdS spaces. We first analyze the spectrum of chiral operators of the 6d (0,2) theory associated with M5 branes in flat space,... | ['1998-03-06'] |
9,023 | ['eng'] | ['Deser, Stanley D', 'Gibbons, G W'] | ['Born-Infeld-Einstein Actions?'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'field theory, action', 'determinant', 'invariance, Weyl'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803049'] | ['We present some obvious physical requirements on gravitational avatars of non-linear electrodynamics and illustrate them with explicit determinantal Born-Infeld-Einstein models. A related procedure, using compensating Weyl scalars, permits us to formulate conformally invariant versions of these systems as well.'] | ['1998-03-06'] |
9,024 | ['eng'] | ['Berenstein, D E', 'Corrado, R A'] | ['Matrix Theory on ALE Spaces and Wrapped Membranes'] | ['Particle Physics - Theory'] | ['M-theory', 'matrix model', 'membrane model', 'soliton', 'bound state', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803048'] | ['We study the properties of wrapped membranes in matrix theory on ALE spaces. We show that the only BPS bound states of wrapped membranes that can form are roots of the $A$-$D$-$E$ group. We determine a bound on the energy of a bound state and find the correct dependence on the blow-up parameters and longitudinal mome... | ['1998-03-06'] |
9,025 | ['eng'] | ['Cabra, D C', 'Moreno, E F', 'Rossini, G L'] | ['Quasiparticle operators with non-abelian braiding statistics'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, SU(N)', 'fermion', 'coset space', 'partition function', 'operator, Becchi-Rouet-Stora', 'operator product expansion', 'braid group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803047'] | ['We study the gauge invariant fermions in the fermion coset representation of $SU(N)_k$ Wess-Zumino-Witten models which create, by construction, the physical excitations (quasiparticles) of the theory. We show that they provide an explicit holomorphic factorization of $SU(N)_k$ WZW primaries and satisfy non-abelian br... | ['1998-03-06'] |
9,026 | ['eng'] | ['Diamantini, M Cristina', 'Trugenberger, Carlo Andrea'] | ['Geometric Aspects of Confining Strings'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, tensor', 'effective action, induced', 'Theta parameter', 'perturbation theory', 'approximation, quasiclassical', 'confinement', 'string tension', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803046'] | ['Confining strings in 4D are effective, thick strings describing the confinement phase of compact U(1) and, possibly, also non-Abelian gauge fields. We show that these strings are dual to the gauge fields, inasmuch as their perturbative regime corresponds to the strong coupling (large e) regime of the gauge theory. In... | ['1998-03-06'] |
9,027 | ['eng'] | ['Fosco, C D', 'Schaposnik, F A'] | ['Fermionic determinant as an overlap between bosonic vacua'] | ['Particle Physics - Theory'] | ['field theory, Euclidean', 'operator, Dirac', 'fermion, determinant', 'vacuum state', 'regularization, Pauli-Villars'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803045'] | ['We find a representation for the determinant of a Dirac operator in an even number D=2n of Euclidean dimensions as an overlap between two different vacua, each one corresponding to a bosonic theory with a quadratic action in 2n + 1 dimensions, with identical kinetic terms, but differing in their mass terms. This rese... | ['1998-03-06'] |
9,028 | ['eng'] | ['Kawano, T', 'Okuyama, K'] | ['Matrix Theory on Noncommutative Torus'] | ['Particle Physics - Theory'] | ['matrix model', 'spontaneous compactification', 'torus, noncommutative', 'field theory, tensor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803044'] | ['We consider the compactification of Matrix theory on tori with background antisymmetric tensor field. Douglas and Hull have recently discussed how noncommutative geometry appears on the tori. In this paper, we demonstrate the concrete construction of this compactification of Matrix theory in a similar way to that pre... | ['1998-03-06'] |
9,029 | ['eng'] | ['Cruz, W'] | ['Topological Invariants and Anyonic Propagators'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'spin, fractional', 'propagator', 'anyon', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803043'] | ['We obtain the Hausdorff dimension, $h=2-2s$, for particles with fractional spins in the interval, $0\\leq s \\leq 0.5$, such that the manifold is characterized by a topological invariant given by, ${\\cal W}=h+2s-2p$. This object is related to fractal properties of the path swept out by fractional spin particles, the... | ['1998-03-06'] |
9,030 | ['eng'] | ['Imaanpur, A'] | ['N = 4 SYM on $\\Sigma \\times S^{2}$ and its Topological Reduction'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'space-time', 'dimensional reduction', 'dimension, 4', 'dimension, 2', 'correlation function', 'cohomology, Becchi-Rouet-Stora', 'mass spectrum', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803042'] | ['We consider the twisted N = 4 SYM on \\Sigma \\times S^2. In the limit that S^2 shrinks to zero size the four dimensional theory reduces to a two dimensional SYM theory. We compute the correlation functions of a set of BRST cohomology classes in the reduced theory perturbed by mass.'] | ['1998-03-06'] |
9,031 | ['eng'] | ['Chu, C S', 'Howe, Paul S', 'Sezgin, E', 'West, Peter C'] | ['Open Superbranes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry', 'supergravity', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803041'] | ['Open branes ending on other branes, which may be referred to as the host branes, are studied in the superembedding formalism. The open brane, host brane and the target space in which they are both embedded are all taken to be supermanifolds. It is shown that the superspace constraints satisfied by the open brane are ... | ['1998-03-05'] |
9,032 | ['eng'] | ['Gomis, J P', 'Mateos, D', 'Simón, J', 'Townsend, P K'] | ['Brane-Intersection Dynamics from Branes in Brane Backgrounds'] | ['Particle Physics - Theory'] | ['membrane model', 'supergravity, background field', 'string model', 'boundary condition', 'duality', 'effective action', 'Born-Infeld model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803040'] | ['We derive the dynamics of M-brane intersections from the worldvolume action of one brane in the background supergravity solution of another one. In this way we obtain an effective action for the self-dual string boundary of an M2-brane in an M5-brane, and show that the dynamics of the 3-brane intersection of two M5-b... | ['1998-03-05'] |
9,033 | ['eng'] | ['Castellani, L', 'Ceresole, Anna T', "D'Auria, R", 'Ferrara, Sergio', 'Fré, P', 'Trigiante, M'] | ['G/H M-branes and $AdS_{p+2}$ Geometries'] | ['Particle Physics - Theory'] | ['M-theory', 'supergravity', 'membrane model', 'supersymmetry', 'spontaneous compactification', 'Kaluza-Klein model', 'coset space', 'dimension, 10', 'dimension, 11'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803039'] | ['We prove the existence of a new class of BPS saturated M-branes. They are in one-to-one correspondence with the Freund--Rubin compactifications of M-theory on either (AdS_4) x (G/H) or (AdS_7) x (G/H), where G/H is the seven (or four) dimensional Einstein coset manifolds classified long ago in the context of Kaluza K... | ['1998-03-05'] |
9,034 | ['eng'] | ['De Vega, H J', 'Larsen, A L', 'Sánchez, N'] | ['Quantum String Dynamics in the conformal invariant SL(2,R) WZWN Background'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'dimension, 3', 'string model', 'Wess-Zumino-Witten model', 'field equations', 'quantization, quasiclassical', 'fluctuation', 'invariance, conformal', 'invariance, SL(2,R)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803038'] | ["We consider classical and quantum strings in the conformally invariant background corresponding to the SL(2,R) WZWN model. This background is locally anti-de Sitter spacetime with non-vanishing torsion. Conformal invariance is expressed as the torsion being parallelized. The precise effect of the conformal invariance... | ['1998-03-05'] |
9,035 | ['eng'] | ['París, J', 'Roca, J'] | ['Covariant Derivation of Effective Actions for SUSY Topological Defects'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'soliton', 'fermion', 'supersymmetry', 'effective action', 'topology, defect', 'domain wall'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803037'] | ['We make a first step to extend to the supersymmetric arena the effective action method, which is used to covariantly deduce the low energy dynamics of topological defects directly from their parent field theory. By focussing on two-dimensional supersymmetric theories we are able to derive the appropriate change of va... | ['1998-03-05'] |
9,036 | ['eng'] | ['Esposito, G', 'Kamenshchik, A Yu'] | ['Fourth-Order Operators on Manifolds with Boundary'] | ['Particle Physics - Theory'] | ['field theory, action', 'derivative, high', 'space-time, Euclidean', 'perturbation theory, higher-order', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803036'] | ['Recent work in the literature has studied fourth-order elliptic operators on manifolds with boundary. This paper proves that, in the case of the squared Laplace operator, the boundary conditions which require that the eigenfunctions and their normal derivative should vanish at the boundary lead to self-adjointness of... | ['1998-03-05'] |
9,037 | ['eng'] | ['Franke, V A', 'Paston, S A', 'Prokhvatilov, E V'] | ['Lattice Gauge Theories with polynomial Action and their canonical Formulation on the Light Front'] | ['Particle Physics - Theory'] | ['lattice field theory, action', 'gauge field theory, light front', 'gauge field theory, U(N)', 'space, Euclidean', 'dimension, 4', 'Hamiltonian formalism', 'invariance, Lorentz', 'dimension, 3', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803035'] | ['A lattice gauge theory with an action polynomial in independent field variables is considered. The link variables are described by unconstrained complex matrices instead of unitary ones. A mechanism which permits to switch off in the continuous limit the arising extra fields is discussed. The Euclidean version of the... | ['1998-03-05'] |
9,038 | ['eng'] | ['Chandia, O', 'Zanelli, J'] | ['Supersymmetric Particle in a Spacetime with Torsion and the Index Theorem'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'supersymmetry', 'index theorem', 'torsion', 'quantum mechanics', 'path integral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803034'] | ['The supersymmetric Lagrangian compatible with the presence of torsion in the background spacetime requires, in addition to the minimal coupling, an interaction between the spin and the torsion of the form ${1/2} N_{\\mu\\nu\\lambda\\rho}\\psi^\\mu\\psi^\\nu\\psi^\\lambda\\psi^\\rho$, where $N$ is the Nieh-Yan 4-form.... | ['1998-03-05'] |
9,039 | ['eng'] | ['Gimon, E G', 'Gremm, M'] | ['A note on brane boxes at finite string coupling'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'membrane model', 'coupling constant, dependence', 'coupling constant, string'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803033'] | ["We consider N=1 supersymmetric SU(N_c) gauge theories, using the type IIB brane construction recently proposed by Hanany and Zaffaroni. At non-zero string coupling, we find that the bending of branes imposes consistency conditions that allow only non-anomalous gauge theories with stable vacua, i.e., N_f >= N_c, to be... | ['1998-03-05'] |
9,040 | ['eng'] | ['Hadasz, L', 'Sadzikowski, M', 'Wegrzyn, P'] | ['Quantum radiation from spherical mirrors'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'dimension, 4', 'boundary condition', 'sphere, mirror', 'tensor, energy-momentum', 'partial wave analysis'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803032'] | ['We consider mirrors of the spherical shape, that can expand or contract. Due to the excitation of the vacuum around, some spherical waves radiated from vibrating mirrors are encountered. Using experience from well-known literature on studies of two-dimensional conformal models, we adopt a similar framework to investi... | ['1998-03-05'] |
9,041 | ['eng'] | ['Cheung, Y K E', 'Krogh, M'] | ['Noncommutative Geometry from 0-branes in a Background B-field'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 0', 'field theory, tensor', 'background field', 'fibre bundle', 'gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803031'] | ['We study 0-branes in type IIA on $T^2$ with a background B-field turned on. This enables us to find the matrix model for M-theory on $T^2$ with a background 3-form potential along the torus and the lightlike circle. The theory is a non-local 2+1 dim SYM theory on a dual $T^2$ exactly as proposed by Connes,Douglas and... | ['1998-03-05'] |
9,042 | ['eng'] | ['Hurth, Tobias', 'Skenderis, K'] | ['Quantum Noether Method'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Wess-Zumino model', 'supersymmetry', 'conservation law', 'field theory, scalar', 'massless', 'causality', 'S-matrix', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803030'] | ["We present a general method for constructing consistent quantum field theories with global symmetries. We start from a free non-interacting quantum field theory with given global symmetries and we determine all consistent perturbative quantum deformations assuming the construction is not obstructed by anomalies. The ... | ['1998-03-05'] |
9,043 | ['eng'] | ['Accardi, A', 'Belli, A', 'Martellini, M', 'Zeni, M'] | ['Topological Yang-Mills cohomology in pure Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, topological', 'cohomology', 'transformation, Becchi-Rouet-Stora', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803029'] | ['Using the first order formalism (BFYM) of the Yang-Mills theory we show that it displays an embedded topological sector corresponding to the field content of the Topological Yang-Mills theory (TYM). This picture arises after a proper redefinition of the fields of BFYM and gives a clear representation of the non pertu... | ['1998-03-05'] |
9,044 | ['eng'] | ['Arefieva, I Y', 'Volovich, I V'] | ['On Large N Conformal Theories, Field Theories in Anti-de Sitter Space and Singletons'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, Euclidean', 'any-dimensional', 'correlation function', 'n-point function, 4', 'matrix model', 'expansion 1/N', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803028'] | ["It was proposed by Maldacena that the large N limit of certain conformal field theories can be described in terms of supergravity on anti-De Sitter spaces (AdS). Recently, Gubser, Klebanov and Polyakov and Witten have conjectured that the generating functional for certain correlation functions in conformal field theo... | ['1998-03-05'] |
9,045 | ['eng'] | ['Antonuccio, F', 'Lunin, O', 'Pinsky, S S'] | ['Bound States of Dimensionally Reduced SYM$_{2+1}$ at Finite N'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'gauge field theory, SU(N)', 'supersymmetry', 'dimension, 3', 'dimensional reduction', 'dimension, 2', 'quantization', 'light cone gauge', 'Hamiltonian formalism', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803027'] | ['We consider the dimensional reduction of N=1 {SYM}_{2+1} to 1+1 dimensions. The gauge groups we consider are U(N) and SU(N), where N is finite. We formulate the continuum bound state problem in the light-cone formalism, and show that any normalizable SU(N) bound state must be a superposition of an infinite number of ... | ['1998-03-04'] |
9,046 | ['eng'] | ['Vecchia, P D'] | ['Duality in supersymmetric $N=2,4$ gauge theories'] | ['Particle Physics - Theory'] | ['talk, Les Houches 1997/07/28', 'duality', 'supersymmetry, algebra', 'gauge field theory, Yang-Mills', 'effective action', 'quantization, Dirac', 'magnetic monopole', 'Georgi-Glashow model', 'quantization, quasiclassical', 'dyon', 'instanton', 'fermion, zero mode', 'moduli space, singularity', 'central charge', 'bibli... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803026'] | ['In these lectures we present a detailed description of various aspects of gauge theories with extended N=2 and N=4 supersymmetry that are at the basis of recently found exact results. These results include the exact calculation of the low energy effective action for the light degrees of freedom in the N=2 super Yang-... | ['1998-03-04'] |
9,047 | ['eng'] | ['Buonanno, A', 'Damour, Thibault Marie Alban Guillaume'] | ['Effective action and tension renormalization for cosmic and fundamental strings'] | ['Particle Physics - Theory'] | ['string model', 'astrophysics, string', 'dilaton', 'gravitation', 'axion', 'effective action', 'string tension, renormalization', 'infrared problem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803025'] | ["We derive the effective action for classical strings coupled to dilatonic, gravitational, and axionic fields. We show how to use this effective action for: (i) renormalizing the string tension, (ii) linking ultraviolet divergences to the infrared (long-range) interaction between strings, (iii) bringing additional lig... | ['1998-03-04'] |
9,048 | ['eng'] | ['Bowcock, P', 'Hayes, M', 'Taormina, A'] | ['Parafermionic Representation of the Affine $\\widehat{s}l(2/1;C)$ Algebra at Fractional Level'] | ['Particle Physics - Theory'] | ['algebra, SL(2/1,C)', 'algebra, affine', 'supersymmetry', 'current algebra, fractional', 'fermion, parastatistics', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803024'] | ['The four fermionic currents of the affine superalgebra $sl(2/1)$ at fractional level $k=1/u-1$, u positive integer, are shown to be realised in terms of a free scalar field, an $sl(2)$ doublet field and a primary field of the parafermionic algebra $Z_{u-1}$.'] | ['1998-03-04'] |
9,049 | ['eng'] | ['Gubser, S S', 'Hashimoto, A', 'Klebanov, Igor R', 'Krasnitz, M'] | ['Scalar Absorption and the Breaking of the World Volume Conformal Invariance'] | ['Particle Physics - Theory'] | ['space-time', 'dimension, >4', 'field theory, scalar', 'invariance, conformal', 'approximation, quasiclassical', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803023'] | ['We investigate a version of fixed scalars for non-dilatonic branes which correspond to dilatations of the brane world-volume. We obtain a cross-section whose world-volume interpretation requires an investigation of the breaking of conformal invariance by the irrelevant Born-Infeld corrections to Yang-Mills theory. Fr... | ['1998-03-04'] |
9,050 | ['eng'] | ['Hayes, M', 'Taormina, A'] | ['Admissible $\\widehat{s}l(2/1;C)_{K}$ Characters and Parafermions'] | ['Particle Physics - Theory'] | ['algebra, SL(2,C)', 'quantum algebra', 'algebra, representation', 'fermion', 'statistics, parastatistics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803022'] | ['The branching functions of the affine superalgebra $sl(2/1)$ characters into characters of the affine subalgebra $sl(2)$ are calculated for fractional levels $k=1/u-1$, u positive integer. They involve rational torus $A_{u(u-1)}$ and $Z_{u-1}$ parafermion characters.'] | ['1998-03-04'] |
9,051 | ['eng'] | ['Jegerlehner, F'] | ['The "Ether-world" and Elementary Particles'] | ['Particle Physics - Theory'] | ['talk, Buckow 1997/09/02', 'unified field theory', 'gravitation', 'low-energy theorem', 'effective action', 'universality', 'infrared problem, fixed point', 'particle physics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803021'] | ["We discuss a scenario of ``the path to physics at the Planck scale'' where todays theory of the interactions of elementary particles, the so called Standard Model (SM), emerges as a low energy effective theory describing the long distance properties of a sub--observable medium existing at the Planck scale, which we c... | ['1998-03-04'] |
9,052 | ['eng'] | ['Sfetsos, K'] | ['Poisson-Lie T-Duality beyond the classical level and the renormalization group'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'dimension, 3', 'space-time, sphere', 'space-time, deformation', 'Hamiltonian formalism', 'duality, transformation', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803019'] | ['In order to study quantum aspects of $\\s$-models related by Poisson--Lie T-duality, we construct three- and two-dimensional models that correspond, in one of the dual faces, to deformations of $S^3$ and $S^2$. Their classical canonical equivalence is demonstrated by means of a generating functional, which we explici... | ['1998-03-04'] |
9,053 | ['eng'] | ['Brustein, Ram', 'Gasperini, M', 'Veneziano, Gabriele'] | ['Duality in cosmological perturbation theory'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'density, perturbation', 'effective action', 'duality', 'space-time, horizon', 'energy, density', 'energy spectrum', 'lower limit'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803018'] | ['Cosmological perturbation equations derived from low-energy effective actions are shown to be invariant under a duality transformation reminiscent of electric-magnetic, strong-weak coupling, S-duality. A manifestly duality-invariant approximation for perturbations far outside the horizon is introduced, and it is argu... | ['1998-03-04'] |
9,054 | ['eng'] | ['Caicedo, M I', 'Restuccia, A'] | ['New Topological Aspects of $BF$ Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'field theory, BF', 'differential forms', 'fibre bundle', 'topology', 'dimension, 3', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803017'] | ['$BF$ theories defined over non trivial line bundles are studied. It is shown that such theories describe a realization of a non trivial higher order bundle. The partition function differs from the usual one -in terms of the Ray Singer Torsion- by a factor that arises from the non triviality of the line bundles.'] | ['1998-03-04'] |
9,055 | ['eng'] | ['Borunda, M'] | ['Pre-Big-Bang in String Cosmology'] | ['Particle Physics - Theory'] | ['talk, Morelia 1997/11/21', 'astrophysics, string', 'inflationary universe', 'space-time, horizon', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803016'] | ['We compute the amount of inflation required to solve the horizon problem of cosmology in the pre-big-bang scenario. First we give a quick overview of string cosmology as developed by Veneziano and collaborators. Then we show that the amount of inflation in this background solves the horizon problem. We discuss fine-t... | ['1998-03-04'] |
9,056 | ['eng'] | ['Lawrence, A', 'Nekrasov, N A', 'Vafa, C'] | ['On Conformal Field Theories in Four Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'R parity', 'orbifold', 'invariance, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803015'] | ["Extending recent work of Kachru and Silverstein, we consider ``orbifolds'' of 4-dimensional $\\CN=4$ SU(n) super-Yang-Mills theories with respect to discrete subgroups of the SU(4) $R$-symmetry which act nontrivially on the gauge group. We show that for every discrete subgroup of SU(4) there is a canonical choice of ... | ['1998-03-03'] |
9,057 | ['eng'] | ['Terashima, S', 'Yang, S K'] | ['Exceptional Seiberg-Witten Geometry with Massive Fundamental Matters'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, SO(N)', 'gauge field theory, E(6)', 'fermion, flavor', 'supersymmetry', 'Seiberg-Witten model', 'geometry, algebra', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803014'] | ['We propose Seiberg-Witten geometry for N=2 gauge theory with gauge group $E_6$ with massive $N_f$ fundamental hypermultiplets. The relevant manifold is described as a fibration of the ALE space of $E_6$ type. It is observed that the fibering data over the base ${\\bf CP}^1$ has an intricate dependence on hypermultipl... | ['1998-03-03'] |
9,058 | ['eng'] | ['Flato, M', 'Frønsdal, Christian'] | ['Interacting singletons'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, vector', 'gravitation', 'group theory, SO(3,2)', 'group theory, representation', 'spinor', 'supersymmetry', 'unitarity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803013'] | ['There is a chance that singleton fields, that in the context of strings and membranes have been regarded as topological gauge fields that can interact only at the boundary of anti-De Sitter space, at spatial infinity, may have a more physical manifestation as costituents of massless fields in space time. The composit... | ['1998-03-03'] |
9,059 | ['eng'] | ['Carter, B', 'Battye, R A'] | ['Non-divergence of gravitational self interactions for Nambu-Goto strings'] | ['Particle Physics - Theory'] | ['string model', 'gravitation, interaction', 'approximation, linear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803012'] | ['The classical linearised gravitational self interaction of a Goto-Nambu string is examined in four spacetime dimensions. Using a conveniently gauge independent tensorial treatment, the divergent part of the self-force is shown to be exactly zero. This is due to cancelation by a contribution that was neglected in the ... | ['1998-03-03'] |
9,060 | ['eng'] | ['Aste, A', 'Scharf, G'] | ['Non-abelian gauge theories as a consequence of perturbative quantum gauge invariance'] | ['Particle Physics - Theory'] | ['field theory, vector', 'field theory, massless', 'gauge field theory, Yang-Mills', 'quantization', 'Hamiltonian formalism', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803011'] | ['We show for the case of interacting massless vector bosons, how the structure of non-abelian gauge theories emerges automatically from a more fundamental concept of quantum field theories, namely perturbative quantum gauge invariance. It turns out that the coupling is necessarily of Yang-Mills type plus divergence- a... | ['1998-03-03'] |
9,061 | ['eng'] | ['Mardoyan, L G', 'Sissakian, A N', 'Ter-Antonian, S V'] | ['Hidden Symmetry of the Yang-Coulomb System'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'coupling, Coulomb', 'field equations, monopole', 'particle, isospin', 'hidden symmetry, SO(6)', 'hidden symmetry, SO(5)', 'bound state, energy spectrum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803010'] | ['The bound system composed of the Yang monopole coupled to a particle of the isospin by the SU(2) and Coulomb interaction is considered. The generalized Runge--Lenz vector and the SO(6) group of hidden symmetry are established. It is also shown that the group of hidden symmetry make it possible to calculate the spectr... | ['1998-03-03'] |
9,062 | ['eng'] | ['Ganguly, A K', 'Pal, P B'] | ['Functional derivation of Casimir energy at non-zero temperature'] | ['Particle Physics - Theory'] | ['electromagnetic field', 'vacuum state, energy', 'energy, Casimir', 'energy, density', 'pressure', 'finite temperature', 'Lagrangian formalism', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803009'] | ['Performing functional integration of the free Lagrangian, we find the vacuum energy of a field. The functional integration is performed in a way which easily generalizes to systems at non-zero temperature. We use this technique to obtain the Casimir energy density and pressure at arbitrary temperatures.'] | ['1998-03-03'] |
9,063 | ['eng'] | ['Ferrari, F', 'LAzzizzera, I'] | ['Topological entanglement of polymers and Chern-Simons field theory'] | ['Particle Physics - Theory'] | ['model, polymer', 'statistical mechanics', 'interaction', 'gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803008'] | ['In recent times some interesting field theoretical descriptions of the statistical mechanics of entangling polymers have been proposed by various authors. In these approaches, the dynamics of a single test polymer fluctuating in a background of static polymers is considered using mean-field type techniques. The exten... | ['1998-03-03'] |
9,064 | ['eng'] | ['Nishigaki, S M', 'Damgaard, P H', 'Wettig, T'] | ['Smallest Dirac Eigenvalue Distribution from Random Matrix Theory'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'quark, heavy', 'operator, Dirac', 'matrix model, random', 'partition function', 'universality', 'spectra, density', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803007'] | ['We derive the hole probability and the distribution of the smallest eigenvalue of chiral hermitian random matrices corresponding to Dirac operators coupled to massive quarks in QCD. They are expressed in terms of the QCD partition function in the mesoscopic regime. Their universality is explicitly related to that of ... | ['1998-03-03'] |
9,065 | ['eng'] | ['Ivashchuk, V D', 'Kim, S W', 'Melnikov, V N'] | ['Hyperbolic Kac-Moody Algebra from Intersecting p-branes'] | ['Particle Physics - Theory'] | ['talk, Seoul 1998/02/09', 'membrane model, p-brane', 'p-brane, interaction', 'field theory, action', 'algebra, Kac-Moody', 'algebra, Lie'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803006'] | ['A subclass of recently discovered class of solutions in multidimensional gravity with intersecting p-branes related to Lie algebras and governed by a set of harmonic functions is considered. This subclass in case of three Euclidean p-branes (one electric and two magnetic) contains a cosmological solution to D =11 sup... | ['1998-03-03'] |
9,066 | ['eng'] | ['Dhar, A', 'Mandal, G'] | ['Probing 4-Dimensional Nonsupersymmetric Black Holes Carrying D0- and D6-brane charges'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'field equations, solution', 'black hole', 'membrane model, D-brane', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803004'] | ['We present a 4-dimensional nonsupersymmetric black hole solution to low energy type IIA string theory which carries D0- and D6-brane charges. For equal charges this solution reduces to the one discussed recently by Sheinblatt. We construct the corresponding brane configuration for the extremal case and compute the 1-... | ['1998-03-03'] |
9,067 | ['eng'] | ['Van Raamsdonk, M'] | ['Conservation of Supergravity Currents from Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'supergravity', 'current, conservation law', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803003'] | ['In recent work by Kabat and Taylor, certain Matrix theory quantities have been identified with the spatial moments of the supergravity stress-energy tensor, membrane current, and fivebrane current. In this note, we determine the relations between these moments required by current conservation, and prove that these re... | ['1998-03-03'] |
9,068 | ['eng'] | ['Maldacena, J M'] | ['Wilson loops in large $N$ field theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'fermion', 'Wilson loop', 'quark antiquark, potential', 'supergravity', 'M-theory', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803002'] | ['We propose a method to calculate the expectation values of an operator similar to the Wilson loop in the large $N$ limit of field theories. We consider ${\\cal N} =4 $ 3+1 dimensional super-Yang-Mills. The prescription involves calculating the area of a fundamental string worldsheet in certain supergravity background... | ['1998-03-03'] |
9,069 | ['eng'] | ['Rey, S J', 'Yee, J'] | ['Macroscopic Strings as Heavy Quarks of Large N Gauge Theory and Anti-de Sitter Supergravity'] | ['Particle Physics - Theory'] | ['gauge field theory', 'membrane model, D-brane', 'expansion 1/N', 'supergravity, anti-de Sitter', 'string model, boundary condition', 'quark, heavy', 'membrane model, deformation', 'membrane model, fluctuation', 'quark antiquark, potential', 'potential, static', 'Wilson loop', 'duality, geometrical', 'Born-Infeld mode... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9803001'] | ["We study several aspects of Maldacena's proposed correspondence between N=4 superconformal gauge theory on D3-brane and supergravity on $adS_5 \\times S_5$ by introducing semi-infinite strings ending on D3-brane as heavy (anti)-quark probes. We first study deformation and fluctuation of D3-brane upon attaching a macr... | ['1998-03-03'] |
9,070 | ['eng'] | ['Gato-Rivera, B'] | ['Construction Formulae for Singular Vectors of the Topological N=2 Superconformal Algebra'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'algebra, topological', 'algebra, representation', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802204'] | ['The Topological N=2 Superconformal algebra has 29 different types of singular vectors (in complete Verma modules) distinguished by the relative U(1) charge and the BRST-invariance properties of the vector and of the primary on which it is built. Whereas one of these types only exists at level zero, the remaining 28 t... | ['1998-03-02'] |
9,071 | ['eng'] | ['Ferrara, Sergio', 'Frønsdal, Christian', 'Zaffaroni, A'] | ['On N=8 Supergravity on $AdS_{5}$ and N=4 Superconformal Yang-Mills theory'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, Yang-Mills', 'gauge field theory, conformal', 'supersymmetry', 'space-time, de Sitter', 'dimension, 5', 'group theory, SU(2,2/4)', 'group theory, representation', 'particle, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802203'] | ['We discuss the spectrum of states of IIB supergravity on $AdS_5\\times S^5$ in a manifest $SU(2,2/4)$ invariant setting. The boundary fields are described in terms of N=4 superconformal Yang-Mills theory and the proposed correspondence between supergravity in $AdS_5$ and superconformal invariant singleton theory at t... | ['1998-03-02'] |
9,072 | ['eng'] | ['Andreas, B'] | ['On Vector Bundles And Chiral Matter in N=1 Heterotic Compactifications'] | ['Particle Physics - Theory'] | ['fibre bundle, vector', 'symmetry, SU(N)', 'string model, heterotic', 'spontaneous compactification', 'field theory, Calabi-Yau', 'F-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802202'] | ['In this note we derive the net number of generations of chiral fermions in heterotic string compactifications on Calabi-Yau threefolds with certain SU(n) vector bundles, for n odd, using the parabolic approach for bundles. We compare our results with the spectral cover construction for bundles and make a comment on t... | ['1998-03-02'] |
9,073 | ['eng'] | ['Evans, J M', 'Madsen, J O'] | ['On the Classification of Real Forms of Non-Abelian Toda Theories and W-algebras'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'nonabelian', 'field theory, conformal', 'Wess-Zumino-Witten model', 'embedding, SL(2,R)', 'algebra, W(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802201'] | ['We consider conformal non-Abelian Toda theories obtained by hamiltonian reduction from Wess-Zumino-Witten models based on general real Lie groups. We study in detail the possible choices of reality conditions which can be imposed on the WZW or Toda fields and prove correspondences with sl(2,R) embeddings into real Li... | ['1998-03-02'] |
9,074 | ['eng'] | ['Das, A'] | ['Light-front Hamiltonian Structures for the Nonlinear Sigma Model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 2', 'quantization, light front', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802200'] | ['We derive the Dirac brackets for the O(N) nonlinear sigma model in the lightfront description with and without the constraint. We bring out various subtleties that arise including the fact that anti-periodic boundary condition seems to be preferred.'] | ['1998-03-02'] |
9,075 | ['eng'] | ['Bergshoeff, E A', 'Eyras, E', 'Lozano, Y'] | ['The Massive Kaluza-Klein Monopole'] | ['Particle Physics - Theory'] | ['M-theory', 'field theory, action', 'Kaluza-Klein model', 'monopole', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802199'] | ['We construct the (bosonic) effective worldvolume action of an M-theory Kaluza-Klein monopole in a background given by the bosonic sector of eleven-dimensional massive supergravity, i.e. a "massive Kaluza-Klein monopole". As a consistency check we show that the direct dimensional reduction along the isometry direction... | ['1998-03-02'] |
9,076 | ['eng'] | ['Balasubramanian, V', 'Larsen, F'] | ['Near Horizon Geometry and Black Holes in Four Dimensions'] | ['Particle Physics - Theory'] | ['M-theory', 'black hole', 'entropy', 'Kaluza-Klein model', 'spontaneous compactification', 'boundary condition', 'space-time, de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802198'] | ['A large class of extremal and near-extremal four dimensional black holes in M-theory feature near horizon geometries that contain three dimensional asymptotically anti-de Sitter spaces. Globally, these geometries are derived from AdS_3 by discrete identifications. The microstates of such black holes can be counted by... | ['1998-03-02'] |
9,077 | ['eng'] | ['Förste, S'] | ['A note on inflationary string cosmology'] | ['Particle Physics - Theory'] | ['inflationary universe', 'astrophysics, string', 'membrane model, D-brane', 'space-time, horizon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802197'] | ['Cosmological solutions are obtained by continuation of black D-brane solutions into the region between the horizons. It is investigated whether one can find exponential expansion when probing the cosmology with D-branes. A unique configuration exhibiting exponential expansion is discussed.'] | ['1998-03-02'] |
9,078 | ['eng'] | ['Bonini, M', 'Vian, Federica'] | ['Wilson Renormalization Group for Supersymmetric Gauge Theories and Gauge Anomalies'] | ['Particle Physics - Theory'] | ['supersymmetry, superspace', 'renormalization group, transformation', 'Wess-Zumino model', 'effective action', 'Slavnov identity', 'perturbation theory, higher-order', 'gauge field theory, Yang-Mills', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802196'] | ['We extend the Wilson renormalization group (RG) to supersymmetric theories. As this regularization scheme preserves supersymmetry, we exploit the superspace technique. To set up the formalism we first derive the RG flow for the massless Wess-Zumino model and deduce its perturbative expansion. We then consider N=1 sup... | ['1998-03-02'] |
9,079 | ['eng'] | ['Berkooz, M'] | ['A Supergravity Dual of a (1,0) Field Theory in Six Dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'symmetry, E(8)', 'duality', 'orbifold', 'field theory, sphere'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802195'] | ['We suggest a supergravity dual for the $(1,0)$ superconformal field theory in six dimensions which has $E_8$ global symmetry. Compared to the description of the (2,0) field theory, the 4-sphere is replaced by a 4-hemisphere, or by orbifolding the 4-sphere.'] | ['1998-02-27'] |
9,080 | ['eng'] | ['Aspinwall, Paul S'] | ['Aspects of the Hypermultiplet Moduli Space in String Duality'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'duality', 'spontaneous compactification', 'duality', 'field theory, Calabi-Yau', 'fibre bundle, SU(2)', 'fibre bundle, G(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802194'] | ['A type IIA string (or F-theory) compactified on a Calabi-Yau threefold is believed to be dual to a heterotic string on a K3 surface times a 2-torus (or on a K3 surface). We consider how the resulting moduli space of hypermultiplets is identified between these two pictures in the case of the E8xE8 heterotic string. As... | ['1998-02-27'] |
9,081 | ['eng'] | ['Curio, G', 'Lüst, Dieter'] | ['New N=1 Supersymmetric 3-dimensional Superstring Vacua from U-manifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'vacuum state', 'duality', 'differential forms', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802193'] | ["Making use of non-perturbative U-duality symmetries of type II strings we construct new `superstring' vacua in three dimensions with N=1 supersymmetry. This has an interpretation as compactifying formally from 13 dimensions (S-theory) on Calabi-Yau 5-folds possessing a $T^3 \\x T^2$ fibration. We describe some part o... | ['1998-02-27'] |
9,082 | ['eng'] | ['de Azcárraga, J A', 'Bueno, J C P'] | ['On the general structure of gauged Wess-Zumino-Witten terms'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'gauge field theory', 'differential forms', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802192'] | ['The problem of gauging a closed form is considered. When the target manifold is a simple Lie group G, it is seen that there is no obstruction to the gauging of a subgroup H\\subset G if we may construct from the form a cocycle for the relative Lie algebra cohomology (or for the equivariant cohomology), and a general ... | ['1998-02-27'] |
9,083 | ['eng'] | ['Ford, C', 'Mitreuter, U G', 'Pawlowski, J M', 'Tok, T', 'Wipf, A'] | ['Monopoles, Polyakov-Loops and Gauge Fixing on the Torus'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'space-time, torus', 'Polyakov loop', 'monopole', 'topology, defect', 'flux, magnetic', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802191'] | ["We consider pure Yang Mills theory on the four torus. A set of non-Abelian transition functions is presented which encompass all instanton sectors. It is argued that these transition functions are a convenient starting point for gauge fixing. In particular, we give an extended Abelian projection with respect to the P... | ['1998-02-27'] |
9,084 | ['eng'] | ['Harmark, T'] | ['Coupling Constants and Brane Tensions from Anomaly Cancellation in M-theory'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, Yang-Mills', 'dimension, 11', 'boundary condition', 'space-time, R(10) x S(1)/Z(2)', 'coupling constant', 'membrane model, tension', 'M-theory', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802190'] | ['The theory of eleven dimensional supergravity on R^10 x S^1/Z_2 with super Yang-Mills theory on the boundaries is reconsidered. We analyse the general solution of the modified Bianchi identity for the four-form field strength using the equations of motion for the three-form and find surprisingly that the four-form fi... | ['1998-02-27'] |
9,085 | ['eng'] | ['Imamura, Y'] | ['$E_{8}$ flavour multiplets'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 7', 'symmetry, SO(16)', 'symmetry breaking', 'symmetry, E(8)', 'soliton', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802189'] | ['We analyze gauge symmetry enhancements $SO(16)\\to E_8$ on eight D7-branes and $SO(14)\\times U(1)\\to E_8$ on seven D7-branes from open strings. String configurations which we present in this paper are essentially the same as the ones given by Gaberdiel and Zwiebach. However, our construction is based on $SO(8)\\tim... | ['1998-02-27'] |
9,086 | ['eng'] | ['Fujiwara, T', 'Igarashi, H', 'Takimoto, Y'] | ['Exact Operator Solution of $A_2$-Toda Field Theory'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'dimension, 2', 'quantization', 'Hamiltonian formalism', 'light cone gauge', 'integrability', 'constraint', 'charge, screening'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802188'] | ['Quantum $A_2$-Toda field theory in two dimensions is investigated based on the method of quantizing canonical free field. Toda exponential operators associated with the fundamental weights are constructed to the fourth order in the cosmological constant. This leads us to a conjecture for the exact operator solution.'... | ['1998-02-27'] |
9,087 | ['eng'] | ['Nair, V P', 'Randjbar-Daemi, S'] | ['On brane solutions in M(atrix) theory'] | ['Particle Physics - Theory'] | ['M-theory', 'matrix model', 'symmetry, SU(N)', 'membrane model, CP(2) x S(1)', 'field equations, solution', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802187'] | ['In this paper we consider brane solutions of the form $G/H$ in M(atrix) theory, showing the emergence of world-volume coordinates for the cases where $G=SU(n)$. We examine a particular solution of the form $CP^2 \\times S^1$ in some detail and show how a smooth manifold structure emerges in the large N limit. In this... | ['1998-02-27'] |
9,088 | ['eng'] | ['Gutowski, J B', 'Papadopoulos, G J'] | ['The Moduli Spaces of World volume Brane Solitons'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'p-brane, 4', 'p-brane, 8', 'soliton', 'string model, duality', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802186'] | ['We compute the moduli metrics of worldvolume 0-brane solitons of D-branes and the worldvolume self-dual string solitons of the M-5-brane and examine their geometry. We find that the moduli spaces of 0-brane solitons of D-4-branes and D-8-branes are hyper-Kähler manifolds with torsion and octonionic Kähler manifolds w... | ['1998-02-27'] |
9,089 | ['eng'] | ['Marino, M', 'Moore, G'] | ['The Donaldson-Witten function for gauge groups of rank larger than one'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'correlation function', 'invariance, Becchi-Rouet-Stora', 'cohomology', 'field theory, conformal', 'gauge field theory, SU(N)', 'expansion 1/N', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802185'] | ['We study correlation functions in topologically twisted $\\CN=2, d=4$ supersymmetric Yang-Mills theory for gauge groups of rank larger than one on compact four-manifolds $X$. We find that the topological invariance of the generator of correlation functions of BRST invariant observables is not spoiled by noncompactnes... | ['1998-02-27'] |
9,090 | ['eng'] | ['Bender, C M', 'Milton, K A'] | ['Massless quantum electrodynamics with a critical point'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, massless', 'phi**n model', 'perturbation theory, higher-order', 'energy, Casimir', 'time reversal, invariance', 'critical phenomena', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802184'] | ['Recently, it has been observed that a quantum field theory need not be Hermitian to have a real, positive spectrum. What seems to be required is symmetry under combined parity and time-reversal transformations. This idea is extended to massless electrodynamics, in which the photon couples to the axial-vector current ... | ['1998-02-27'] |
9,091 | ['eng'] | ['Kachru, S', 'Silverstein, E'] | ['4d Conformal Field Theories and Strings on Orbifolds'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'invariance, conformal', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802183'] | ['We propose correspondences between 4d quantum field theories with N=2,1,0 (super)conformal invariance and Type IIB string theory on various orbifolds of $AdS_5 \\times S^5$. We argue using the spacetime string theory, and check using the beta functions (exactly for N=2,1 and so far at 1-loop for the gauge couplings i... | ['1998-02-26'] |
9,092 | ['eng'] | ['Pawelczyk, J'] | ['Matrix Model for Yang-Mills Interactions'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'matrix model', 'string model', 'field theory, topological', 'dimension, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802182'] | ['We introduce a $N_c\\times N_c$ matrix model with $\\cN=2$ supersymmetries and show its relation to the topological rigid string and the topological YM$_2$. This allows to connect the latter two theories directly. Moreover the construction leads to a new insight in the \\ninfty limit. Finally a quantum mechanical mat... | ['1998-02-26'] |
9,093 | ['eng'] | ['Naud, J', 'Nemenman, I M', 'Van Raamsdonk, M', 'Periwal, V'] | ['Minimal subtraction and the Callan-Symanzik equation'] | ['Particle Physics - Theory'] | ['renormalization group', 'n-point function', 'perturbation theory, higher-order', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802181'] | ['The usual proof of renormalizability using the Callan-Symanzik equation makes explicit use of normalization conditions. It is shown that demanding that the renormalization group functions take the form required for minimal subtraction allows one to prove renormalizability using the Callan-Symanzik equation, without i... | ['1998-02-26'] |
9,094 | ['eng'] | ['Zwanziger, D'] | ['Coulomb-gauge in QCD'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1997/12/02', 'gauge field theory, SU(N)', 'gauge field theory, action', 'Coulomb gauge', 'phase space', 'ghost', 'invariance, Becchi-Rouet-Stora', 'gluon, propagator', 'renormalization group', 'color, confinement', 'Gauss law', 'potential, Coulomb'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802180'] | ['We review the Coulomb gauge in QCD and report some recent results. The minimal Coulomb gauge is defined and the fundamental modular region, a region without Gribov copies, is described. The Coulomb gauge action is expressed in terms of the dynamical degrees of freedom with an instantaneous Coulomb interaction, and it... | ['1998-02-26'] |
9,095 | ['eng'] | ['Abou-Zeid, M', 'Hull, C M'] | ['Geometric Actions for D-Branes and M-Branes'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'membrane model, D-brane', 'M-theory', 'field theory, action', 'duality', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802179'] | ['New forms of Born-Infeld, D-brane and M theory five-brane actions are found which are quadratic in the abelian field strength. The gauge fields couple both to a background or induced metric and a new auxiliary metric, whose elimination reproduces the non-polynomial Born-Infeld action. This is similar to the introduct... | ['1998-02-26'] |
9,096 | ['eng'] | ['Feruglio, F'] | ['A smooth massless limit for supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'fermion, flavor', 'mass, dependence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802178'] | ['We analyse in detail the behaviour of supersymmetric QCD with a number of flavours M smaller than the number of colours N, for quark masses smaller than the dynamically generated scale. In this regime, we find it useful to move from meson superfields to Nambu-Goldstone-like variables. In particular we work out the ma... | ['1998-02-26'] |
9,097 | ['eng'] | ['Ioannidou, T A', 'Zakrzewski, W J'] | ['Lagrangian Formulation of the General Modified Chiral Model'] | ['Particle Physics - Theory'] | ['model, chiral', 'Wess-Zumino-Witten model', 'Hamiltonian formalism', 'operator, algebra', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802177'] | ['We present a Lagrangian formulation for the general modified chiral model. We use it to discuss the Hamiltonian formalism for this model and to derive the commutation relations for the chiral field. We look at some explicit examples and show that the Hamiltonian, containing a contribution involving a Wess-Zumino term... | ['1998-02-26'] |
9,098 | ['eng'] | ['Yang, H S', 'Kim, I', 'Lee, B H'] | ['Non-Abelian Ramond-Neveu-Schwarz String Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'symmetry, U(N)', 'supergravity', 'dimension, 2', 'field theory, conformal', 'gauge field theory, Yang-Mills', 'sigma model, O(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802176'] | ["We construct a locally supersymmetric worldsheet formulation of a non-Abelian Ramond-Neveu-Schwarz (NARNS) string theory where the string coordinates are noncommuting matrices in a group U(N). This is described by the two-dimensional supergravity coupled to supersymmetric Yang-Mills fields and adjoint matters in the ... | ['1998-02-26'] |
9,099 | ['eng'] | ['Moreno, E F', 'Núñez, C', 'Schaposnik, F A'] | ['Electrically Charged Vortex Solution in Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'field equations, vortex', 'charge, electric', 'energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9802175'] | ["We obtain electrically charged vortex solutions for the Born-Infeld Higgs system with a Chern Simons term. We analyse numerically these solutions, comparing their properties with those of ``normal'' Nielsen-Olesen vortices and also show that no charged vortex solutions exist in Born-Infeld theory when the Chern Simon... | ['1998-02-25'] |
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