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 |
|---|---|---|---|---|---|---|---|---|
6,100 | ['eng'] | ['Pérez-Garica, M', 'González-Arroyo, A', 'Peña, C', 'Van Baal, P'] | ['Weyl-Dirac zero-mode for calorons'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'instanton', 'fermion, zero mode', 'caloron', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905016'] | ['We give the analytic result for the fermion zero-mode of the SU(2) calorons with non-trivial holonomy. It is shown that the zero-mode is supported on ONLY ONE of the constituent monopoles. We discuss some of its implications.'] | ['1999-05-04'] |
6,101 | ['eng'] | ['Davies, N M', 'Hollowood, Timothy J', 'Khoze, V V', 'Mattis, M P'] | ['Gluino Condensate and Magnetic Monopoles in Supersymmetric Gluodynamics'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'magnetic monopole', 'gluon, condensation', 'approximation, quasiclassical', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905015'] | ["We examine supersymmetric SU(N) gauge theories on R^3*S^1 with a circle of circumference beta. These theories interpolate between four-dimensional N=1 pure gauge theory for beta=infinity and three-dimensional N=2 gauge theory for beta=0. The dominant field configurations of the R^3*S^1 SU(N) theories in the semi-clas... | ['1999-05-04'] |
6,102 | ['eng'] | ['Lu, J X', 'Roy, S'] | ['((F, D1), D3) Bound State and Its T-dual Daughters'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'soliton, BPS', 'bound state', 'duality', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905014'] | ["In the previous paper [hep-th/9904129], we constructed a general explicit BPS solution for (F, D3) non-threshold bound state. By using the SL(2,Z) symmetry of type IIB string theory, we here construct from (F, D3) a more general BPS configuration for a D3 brane with certain units of quantized 5-form flux and an infin... | ['1999-05-04'] |
6,103 | ['eng'] | ['Calucci, G'] | ['Pair Production in a Time Dependent Magnetic Field'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'magnetic field, external field', 'time dependence', 'electron positron, pair production', 'Dirac equation', 'energy levels', 'astrophysics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905013'] | ['The production of electron-positron pairs in a time-dependent magnetic field is estimated in the hypotheses that the magnetic field is uniform over large distances with respect to the pair localization and it is so strong that the spacing of the Landau levels is larger than the rest mass of the particles. This calcul... | ['1999-05-04'] |
6,104 | ['eng'] | ['Binétruy, P', 'Deffayet, C', 'Langlois, D'] | ['Non-conventional cosmology from a brane-universe'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 5', 'astrophysics', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905012'] | ["We consider ``brane-universes'', where matter is confined to four-dimensional hypersurfaces (three-branes) whereas one extra compact dimension is felt by gravity only. We show that the cosmology of such branes is definitely different from standard cosmology and identify the reasons behind this difference. We give a n... | ['1999-05-04'] |
6,105 | ['eng'] | ['Etesi, G'] | ['On the Yang-Mills Functional over Open Four-Manifolds'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'space-time', 'field equations, solution', 'index theorem', 'moduli space', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905010'] | ['In this paper we prove that for a large and physically relevant class of smooth complete metrics on open four-manifolds the set of L^2-norms of (anti)instantons is a discrete set for physically relevant Lie-groups. The proof is based on the Atiyah-Patodi-Singer Index Theorem. To demonstrate our result we consider the... | ['1999-05-04'] |
6,106 | ['eng'] | ['Houghton, C J'] | ['Instanton vibrations of the 3-Skyrmion'] | ['Particle Physics - Theory'] | ['Skyrme model', 'dimension, 3', 'instanton', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905009'] | ['The Atiyah-Drinfeld-Hitchin-Manin matrix corresponding to a tetrahedrally symmetric 3-instanton is calculated. Some small variations of the matrix correspond to vibrations of the instanton-generated 3-Skyrmion. These vibrations are decomposed under tetrahedral symmetry and this decomposition is compared to previous k... | ['1999-05-04'] |
6,107 | ['eng'] | ['Volovik, G E'] | ['Comment on "Radiatively Induced Lorentz and CPT Violation in Electrodynamics"'] | ['Particle Physics - Theory'] | ['helium, superfluid', 'Chern-Simons term', 'violation, Lorentz', 'violation, CPT', 'electromagnetic field', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905008'] | ['This is the Comment on the paper by R. Jackiw and V. Alan Kostelecky, Phys. Rev. Lett. 82 (1999) 3572. We provide an example of the fermionic system, in which the Chern-Simons term is unambiguously induced by fermions. In this system the Lorentz and gauge invariances both are violated at high energy, but the behavior... | ['1999-05-04'] |
6,108 | ['eng'] | ['Kim, W T', 'Oh, J J'] | ['Dilaton driven Hawking radiation in $AdS_2$ black hole'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'black hole, temperature', 'dimension, 2', 'field theory, scalar', 'massless', 'radiation, Hawking', 'dilaton, coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905007'] | ['A recent study shows that Hawking radiation of the massless scalar field does not appear on the two-dimensional AdS_2 black hole background. We study this issue by investigating absorption and reflection coefficients under dilaton coupling with the matter field. If the scalar field does not couple to the dilaton, the... | ['1999-05-04'] |
6,109 | ['eng'] | ['Lerda, A', 'Russo, R'] | ['Stable non-BPS states in string theory'] | ['Particle Physics - Theory'] | ['lectures, Leuven 1999/01/18', 'string model', 'supersymmetry', 'soliton', 'stability', 'particle, multiplet', 'D-particle', 'tachyon, condensation', 'field theory, conformal', 'bosonization', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905006'] | ['We present a pedagogical review of the stable non-BPS states in string theory which have recently attracted some attention in the literature. In particular, following the analysis of A. Sen, we discuss in detail the case of the stable non-BPS D-particle of Type I theory whose existence is predicted (and required) by ... | ['1999-05-04'] |
6,110 | ['eng'] | ['Anselmi, D'] | ['Quantum irreversibility in arbitrary dimension'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'anomaly, conformal', 'gravitation, external field', 'field theory, scalar', 'renormalization group', 'operator, composite', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905005'] | ["Some recent ideas are generalized from four dimensions to the general dimension n. Two terms of the trace anomaly in external gravity, the Euler density G_n and Box^{n/2-1}R, are relevant to the problem of quantum irreversibility. By adding the divergence of a gauge-invariant current, G_n can be extended to a new not... | ['1999-05-04'] |
6,111 | ['eng'] | ['Hosomichi, K', 'Sugawara, Y'] | ['Multi-Strings on $AdS_{3} x S^{3}$ from Matrix String Theory'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space-time, sphere', 'dimension, 6', 'matrix model', 'string model', 'membrane model', 'field theory, conformal', 'field theory, Liouville', 'particle, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905004'] | ['We analyze the Coulomb branch of Matrix string theory in the presence of NS5-branes. If we regard the components of U(1) gauge fields as the dualized longitudinal coordinates, we obtain the symmetric product of AdS_3 x S^3 x R^4 as the geometry of Coulomb branch. We observe that the absence or presence of the nonzero... | ['1999-05-04'] |
6,112 | ['eng'] | ['Braga, N R F', 'Godinho, C F L'] | ['Extended BRST invariance in topological Yang Mills theory revisited'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, topological', 'invariance, Becchi-Rouet-Stora', 'gauge fixing', 'ghost'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905003'] | ['Extended BRST invariance (BRST plus anti-BRST invariances) provides in principle a natural way of introducing the complete gauge fixing structure associated to a gauge field theory in the minimum representation of the algebra. However, as it happens in topological Yang Mills theory, not all gauge fixings can be obtai... | ['1999-05-04'] |
6,113 | ['eng'] | ['Andreev, O D'] | ['Unitary Representations of Some Infinite Dimensional Lie Algebras Motivated by String Theory on $AdS_{3}$'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, representation', 'string model', 'space-time, anti-de Sitter', 'dimension, 3', 'algebra, affine', 'algebra, conformal', 'algebra, SU(2)', 'field theory, scalar', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905002'] | ['We consider some unitary representations of infinite dimensional Lie algebras motivated by string theory on AdS_3. These include examples of two kinds: the A,D,E type affine Lie algebras and the N=4 superconformal algebra. The first presents a new construction for free field representations of affine Lie algebras. Th... | ['1999-05-04'] |
6,114 | ['eng'] | ['Chang, L N', 'Soo, C P'] | ['Massive torsion modes from Adler-Bell-Jackiw and scaling anomalies'] | ['Particle Physics - Theory'] | ['torsion, massive', 'vacuum polarization, tensor', 'anomaly', 'regularization', 'space-time', 'fermion, Weyl', 'operator, Dirac', 'scaling', 'mass generation', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9905001'] | ['Regularization of quantum field theories introduces a mass scale which breaks axial rotational and scaling invariances. We demonstrate from first principles that axial torsion and torsion trace modes have non-tranverse vacuum polarization tensors, and become massive as a result of the Adler-Bell-Jackiw (ABJ) and scal... | ['1999-05-04'] |
6,115 | ['eng'] | ['Kaste, P'] | ['On the twisted chiral potential in 2d and the analogue of rigid special geometry for 4-folds'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'supersymmetry', 'field theory, Calabi-Yau', 'dimension, 4', 'dimension, 2', 'potential, chiral', 'coupling, Yukawa', 'geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904218'] | ["We discuss how to obtain an N=(2,2) supersymmetric SU(3) gauge theory in two dimensions via geometric engineering from a Calabi-Yau 4-fold and compute its non-perturbative twisted chiral potential. The relevant compact part of the 4-fold geometry consists of two intersecting P^1's fibered over P^2. The rigid limit of... | ['1999-05-03'] |
6,116 | ['eng'] | ['Minasian, R', 'Moore, G', 'Tsimpis, D'] | ['Calabi-Yau black holes and (0,4) $\\sigma$ models'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'field theory, Calabi-Yau', 'black hole', 'sigma model, nonlinear', 'supersymmetry, multiplet', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904217'] | ['When an M-theory fivebrane wraps a holomorphic surface $\\CP$ in a Calabi-Yau 3-fold $X$ the low energy dynamics is that of a black string in 5 dimensional = (0,4)$ 2D conformal field theory. Assuming the 2D CFT can be described as a nonlinear sigma model, we describe the target space geometry of this model in terms ... | ['1999-05-03'] |
6,117 | ['eng'] | ['Shahverdiyev, S S', 'Tyutin, I V', 'Voronov, B L'] | ['On Local Variational Differential Operators in Field Theory'] | ['Particle Physics - Theory'] | ['field theory', 'path integral', 'mathematical methods, variational', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904215'] | ['We propose and develop a new calculus for local variational differential operators. The main difference of the new formalism with the canonical differential calculus is that the image of higher order operators on local functionals does not contain indefinite quantities like $\\delta(0)$. We apply this formalism to BV... | ['1999-05-03'] |
6,118 | ['eng'] | ['Arai, M', 'Kitazawa, N'] | ['Towards exact results of QED from supersymmetry'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'supersymmetry', 'effective action', 'superspace, harmonic', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904214'] | ['To obtain some exact results of U(1) gauge theory (QED), we construct the low energy effective action of N=2 supersymmetric QED with a massless matter and Fayet-Iliopoulos term, assuming no confinement. The harmonic superspace formalism for N=2 extended supersymmetry makes the construction easy. We analyze the vacuum... | ['1999-05-03'] |
6,119 | ['eng'] | ['Altendorfer, R', 'Bagger, Jonathan A'] | ['Dual Supersymmetry Algebras from Partial Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['supersymmetry, symmetry breaking', 'duality', 'multiplet, representation', 'spin, 3/2', 'supergravity', 'effect, Higgs', 'supersymmetry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904213'] | ["The partial breaking of supersymmetry in flat space can be accomplished using any one of three dual representations for the massive N=1 spin-3/2 multiplet. Each of the representations can be ``unHiggsed'', which gives rise to a set of dual N=2 supergravities and supersymmetry algebras."] | ['1999-04-30'] |
6,120 | ['eng'] | ['Frampton, Paul H', 'Kephart, T W'] | ['Mersenne Primes, Polygonal Anomalies and String Theory Classification'] | ['Particle Physics - Theory'] | ['string model', 'number theory', 'anomaly', 'higher-dimensional', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904212'] | ['It is pointed out that the Mersenne primes $M_p=(2^p-1)$ and associated perfect numbers ${\\cal M}_p=2^{p-1}M_p$ play a significant role in string theory; this observation may suggest a classification of consistent string theories.'] | ['1999-04-30'] |
6,121 | ['eng'] | ['Kakushadze, Z'] | ['Type I on (Generalized) Voisin-Borcea Orbifolds and Non-perturbative Orientifolds'] | ['Particle Physics - Theory'] | ['supersymmetry', 'orbifold', 'orientifold', 'spontaneous compactification', 'F-theory', 'geometry, algebra', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904211'] | ["We consider non-perturbative four dimensional N=1 space-time supersymmetric orientifolds corresponding to Type I compactifications on (generalized) Voisin-Borcea orbifolds. Some states in such compactifications arise in ``twisted'' open string sectors which lack world-sheet description in terms of D-branes. Using Typ... | ['1999-04-30'] |
6,122 | ['eng'] | ['Gani, V A', 'Kudryavtsev, A E'] | ['A remark on collisions of domain walls in a supersymmetric model'] | ['Particle Physics - Theory'] | ['domain wall, interaction', 'supersymmetry', 'effective Lagrangian', 'boundary condition', 'vacuum state', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904209'] | ['The process of collision of two parallel domain walls in a supersymmetric model is studied both in effective Lagrangian approximation and by numerical solving of the exact classical field problem. For small initial velocities we find that the walls interaction looks like elastic reflection with some delay. It is also... | ['1999-04-30'] |
6,123 | ['eng'] | ['Bozhilov, P'] | ['Null Branes in Curved Backgrounds'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'space-time', 'dynamical system', 'Hamiltonian formalism', 'invariance, reparametrization', 'algebra, constraint', 'invariance, Becchi-Rouet-Stora', 'quantization', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904208'] | ['We consider null bosonic p-branes in curved space-times. Some exact solutions of the classical equations of motion and of the constraints for the null membrane in general stationary, axially symmetrical, four dimensional, gravity background are found.'] | ['1999-04-30'] |
6,124 | ['eng'] | ['Sen, A'] | ['Non-BPS States and Branes in String Theory'] | ['Particle Physics - Theory'] | ['lectures, Cheju Island 1999/01/25', 'string model', 'supersymmetry', 'membrane model, D-brane', 'soliton', 'phase space', 'boundary condition', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904207'] | ['We review the recent developments in our understanding of non-BPS states and branes in string theory. The topics include 1) construction of unstable non-BPS D-branes in type IIA and type IIB string theories, 2) construction of stable non-BPS D-branes on various orbifolds and orientifolds of type II string theories, 3... | ['1999-04-30'] |
6,125 | ['eng'] | ['Ogreid, O M', 'Osland, P'] | ['More Series related to the Euler Series'] | ['Particle Physics - Theory'] | ['Feynman graph', 'zeta function', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904206'] | ['We present results for infinite series appearing in Feynman diagram calculations, many of which are similar to the Euler series. These include both one-, two- and three-dimensional series. All these series can be expressed in terms of zeta(2) and zeta(3).'] | ['1999-04-30'] |
6,126 | ['eng'] | ['Zerrouki, H'] | ['A Note on the 4D Antisymmetric Tensor Field Model in Curved Space-Time'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'space-time', 'transformation, Becchi-Rouet-Stora', 'symmetry, nonlinear', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904205'] | ['Using the BRS techniques, we prove the existence of a local and nonlinear symmetry of the gauge fixed action of the antisymmetric tensor field model in curved background.'] | ['1999-04-30'] |
6,127 | ['eng'] | ['Banerjee, R', 'Kumar, S'] | ['Self-duality and soldering in odd dimensions'] | ['Particle Physics - Theory'] | ['quantum mechanics, topological', 'duality', 'soldering', 'electromagnetic field, external field', 'factorization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904203'] | ['Using the recently developed soldering formalism we highlight certain features of quantum mechanical models. The complete correspondence between these models and self dual field theoretical models in odd dimensions is established. The distinction between self duality and self dual factorisation in these dimensions is... | ['1999-04-30'] |
6,128 | ['eng'] | ['Lusanna, L', 'Materassi, M'] | ['A canonical decomposition in collective and relative variables of a Klein-Gordon field in the rest-frame Wigner-covariant instant form'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation', 'field theory, collective', 'Hamiltonian formalism', 'tensor, energy-momentum', 'expansion, multipole', 'electromagnetic field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904202'] | ['The canonical decomposition of a real Klein-Gordon field in collective and relative variables proposed by Longhi and Materassi is reformulated on spacelike hypersurfaces. This allows to obtain the complete canonical reduction of the system on Wigner hyperplanes, namely in the rest-frame Wigner-covariant instant form ... | ['1999-04-30'] |
6,129 | ['eng'] | ['Bochicchio, M'] | ['The confining branch of QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'string model', 'confinement', 'flux, electric', 'Seiberg-Witten model', 'duality', 'gauge field theory, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904201'] | ['We show that, as a consequence of a physical interpretation based on the Abelian projection and on the QCD string, four-dimensional QCD confines the electric flux if and only if the functional integral in the fiberwise-dual variables admits a hyper-Kahler reduction under the action of the gauge group.'] | ['1999-04-29'] |
6,130 | ['eng'] | ['Bochicchio, M'] | ['The Abelian projection versus the Hitchin fibration of K(D) pairs in four-dimensional QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'gauge, abelian', 'expansion 1/N', 'confinement', 'flux, electric', 'magnetic monopole', 'gauge field theory, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904200'] | ['We point out that the concept of Abelian projection gives us a physical interpretation of the role that the Hitchin fibration of parabolic K(D) pairs plays in the large-N limit of four-dimensional QCD. This physical interpretation furnishes also a simple criterium for the confinement of electric fluxes in the large-N... | ['1999-04-29'] |
6,131 | ['eng'] | ['Toublan, D', 'Verbaarschot, J J M'] | ['The Spectral Density of the QCD Dirac Operator and Patterns of Chiral Symmetry Breaking'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'operator, Dirac', 'spectra, density', 'color, 2', 'partition function', 'symmetry, chiral', 'symmetry, spontaneously broken', 'matrix model, random', 'perturbation theory, chiral', 'approximation, quenching', 'condensation, chiral', 'mass, dependence', 'quark, valence', 'susceptibility, scal... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904199'] | ['We study the spectrum of the QCD Dirac operator for two colors with fermions in the fundamental representation and for two or more colors with adjoint fermions. For $N_f$ flavors, the chiral flavor symmetry of these theories is spontaneously broken according to $SU(2N_f)\\to Sp(2N_f)$ and $SU(N_f)\\to O(N_f)$, respec... | ['1999-04-29'] |
6,132 | ['eng'] | ["Dall'Agata, G"] | ['N = 2 conformal field theories from M2-branes at conifold singularities'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'membrane model', 'supersymmetry', 'conifold, singularity', 'coset space', 'geometry, torus', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904198'] | ['We make some comments on the derivation of N=2 super-conformal field theories with smooth gauge group from M2-branes placed at conifold singularities, giving a detailed prescription for two specific examples: the singular cones over the Q^{111} and M^{110} manifolds.'] | ['1999-04-29'] |
6,133 | ['eng'] | ['Chamblin, A', 'Emparan, R', 'Johnson, C V', 'Myers, R C'] | ['Holography, Thermodynamics and Fluctuations of Charged AdS Black Holes'] | ['Particle Physics - Theory'] | ['black hole, Reissner-Nordstroem', 'holography', 'thermodynamics', 'space-time, anti-de Sitter', 'critical phenomena', 'fluctuation', 'stability', 'quantum gravity', 'Landau-Ginzburg model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904197'] | ['The physical properties of Reissner-Nordstrom black holes in (n+1)-dimensional anti-de Sitter spacetime are related, by a holographic map, to the physics of a class of n-dimensional field theories coupled to a background global current. Motivated by that fact, and the recent observations of the striking similarity be... | ['1999-04-29'] |
6,134 | ['eng'] | ['Ketov, S V'] | ['Exact hypermultiplet dynamics in four dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory', 'supersymmetry', 'effective action', 'multiplet', 'superspace, harmonic', 'sigma model, nonlinear', 'Seiberg-Witten model', 'twistor'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904196'] | ['The hypermultiplet low-energy effective action (LEEA) in N=2 supersymmetric four-dimensional (4d) gauge theories can receive both perturbative (at one loop) and non-perturbative (due to instantons) quantum corrections. The manifestly N=2 supersymmetric Feynman rules in harmonic (twistor) superspace are used to calcul... | ['1999-04-29'] |
6,135 | ['eng'] | ['Suzuki, A T', 'Schmidt, A G M'] | ['Negative dimensional approach for scalar two-loop three-point and three-loop two-point integrals'] | ['Particle Physics - Theory'] | ['Feynman graph, higher-order', 'Feynman graph, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904195'] | ['The well-known $D$-dimensional Feynman integrals were shown, by Halliday and Ricotta, to be capable of undergoing analytic continuation into the domain of negative values for the dimension of space-time. Furthermore, this could be identified with Grassmannian integration in positive dimensions. From this possibility ... | ['1999-04-29'] |
6,136 | ['eng'] | ['Poghossian, R H'] | ['Perturbation Theory in Angular Quantization Approach and the Expectation Values of Exponential Fields in Sin-Gordon Model'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'Thirring model, massive', 'quantization', 'perturbation theory', 'regularization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904194'] | ['In angular quantization approach a perturbation theory for the Massive Thirring Model (MTM) is developed, which allows us to calculate Vacuum Expectation Values of exponential fields in sin-Gordon theory near the free fermion point in first order of MTM coupling constant $g$. The Hankel-transforms play an important r... | ['1999-04-29'] |
6,137 | ['eng'] | ['Nagatani, Y', 'Shigetomi, K'] | ['Effective Theoretical Approach to Backreaction of the Dynamical Casimir Effect in 1+1 Dimensions'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'dimension, 2', 'back reaction', 'field theory, scalar', 'effective action', 'anomaly, conformal', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904193'] | ['Backreaction of the dynamical Casimir effect is investigated by a scalar effective theory in 1+1 dimensions. The adiabatic approximation allows us to treat the size of the space as a dynamical variable described by the Robertson-Walker type metric. The effective action for the size of the space is obtained with the b... | ['1999-04-29'] |
6,138 | ['eng'] | ['Nersessian, A P'] | ['Massive 4d particle with torsion and conformal mechanics'] | ['Particle Physics - Theory'] | ['particle, spinless', 'particle, massive', 'torsion', 'mechanics, conformal', 'mass spectrum', 'Hamiltonian formalism, constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904192'] | ['The consequences of coupling of the torsion (highest curvature) term to the Lagrangian of a massive spinless particle in four-dimensional space time are studied.It is shown that the modified system remains spinless and possesses extended gauge invariance.Though the torsion term does not generate spin, it provides the... | ['1999-04-29'] |
6,139 | ['eng'] | ['Drukker, N', 'Gross, David J', 'Ooguri, H'] | ['Wilson Loops and Minimal Surfaces'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'expansion 1/N', 'Wilson loop, BPS', 'supersymmetry', 'space-time, anti-de Sitter', 'field theory, conformal', 'string model', 'dimension, 10', 'boundary condition', 'regularization', 'Legendre transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904191'] | ['The AdS/CFT correspondence suggests that the Wilson loop of the large N gauge theory with N=4 supersymmetry in 4 dimensions is described by a minimal surface in AdS_5 x S^5. We examine various aspects of this proposal, comparing gauge theory expectations with computations of minimal surfaces. There is a distinguished... | ['1999-04-28'] |
6,140 | ['eng'] | ['Barbón, José L F', 'Pasquinucci, A'] | ['Aspects of Instanton Dynamics in AdS/CFT Duality'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'p-brane, 4', 'supersymmetry', 'bound state', 'duality', 'Born-Infeld model', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904190'] | ['We consider aspects of instanton dynamics in the large-N limit using the AdS/CFT duality for D0/D4 bound states. In the supergravity picture of wrapped D0-brane world-lines on D4-branes, we find the single-instanton measure and discuss its dependence on compactification finite-size effects, as well as its matching to... | ['1999-04-28'] |
6,141 | ['eng'] | ['Ekstrand, C', 'Mickelsson, J'] | ['Gravitational anomalies, gerbes and hamiltonian quantization'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gravitation, anomaly', 'fibre bundle', 'Hamiltonian formalism', 'quantization', 'index theorem, family', 'fermion, chiral', 'Schwinger terms', 'Fock space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904189'] | ['In [Carey, A.L., J. Mickelsson, and M. K. Murray: Comm. Math. Phys. 183, 707 (1997)] Schwinger terms in hamiltonian quantization of chiral fermions coupled to vector potentials were computed, using some ideas from the theory of gerbes, with the help of the family index theorem for a manifold with boundary. Here, we g... | ['1999-04-28'] |
6,142 | ['eng'] | ['Sfetsos, K'] | ['Duality-invariant class of two-dimensional field theories'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'duality', 'coset space', 'Hamiltonian formalism', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904188'] | ['We construct a new class of two-dimensional field theories with target spaces that are finite multiparameter deformations of the usual coset G/H-spaces. They arise naturally, when certain models, related by Poisson-Lie T-duality, develop a local gauge invariance at specific points of their classical moduli space. We ... | ['1999-04-28'] |
6,143 | ['eng'] | ['Jatkar, D P', 'Randjbar-Daemi, S'] | ["Type IIB string theory on $AdS_{5}xT^{nn'}$"] | ['Particle Physics - Theory'] | ['string model', 'space-time, anti-de Sitter', 'field theory, conformal', 'spontaneous compactification', 'Kaluza-Klein model', 'mass spectrum', 'quantum number'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904187'] | ["We study \\kk spectrum of type IIB string theory compactified on $AdS_5 \\times T^{nn'}$ in the context of AdS/CFT correspondence. We examine some of the modes of the complexified 2 form potential as an example and show that for the states at the bottom of the \\kk tower the corresponding d=4 boundary field operators... | ['1999-04-28'] |
6,144 | ['eng'] | ['Tripathy, P K'] | ['Gravitating monopoles and black holes in Einstein-Born-Infeld-Higgs model'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'Higgs model', 'Einstein equation', 'magnetic monopole', 'black hole, nonabelian', 'symmetry, rotational', 'asymptotic behavior', 'gravitation', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904186'] | ['We find static spherically symmetric monopoles in Einstein-Born-Infeld-Higgs model in 3+1 dimensions. The solutions exist only when a parameter $\\a $ (related to the strength of Gravitational interaction) does not exceed certain critical value. We also discuss magnetically charged non Abelian black holes in this mod... | ['1999-04-28'] |
6,145 | ['eng'] | ['Leitgeb, R', 'Rant, J', 'Schweda, Manfred', 'Zerrouki, H'] | ['Generalized 2D BF Model quantized in the axial gauge'] | ['Particle Physics - Theory'] | ['field theory, BF', 'field theory, topological', 'dimension, 2', 'axial gauge', 'matter, coupling', 'supersymmetry', 'dimensional reduction', 'renormalization', 'transformation, Becchi-Rouet-Stora', 'field theory, finite', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904185'] | ['We discuss the ultraviolet finiteness of the two-dimensional BF model coupled to topological matter quantized in the axial gauge. This noncovariant gauge fixing avoids the infrared problem in the two-dimensional space-time. The BF model together with the matter coupling is obtained by dimensional reduction of the ord... | ['1999-04-28'] |
6,146 | ['eng'] | ['Zaslavskii, O B'] | ['Semi-infinite throats at finite temperature and static solutions in exactly solvable models of 2d dilaton gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dilaton', 'dimension, 2', 'finite temperature', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904184'] | ['Found is a general form of static solutions in exactly solvable models of 2d dilaton gravity at finite temperature. We reveal a possibility for the existence of everywhere regular solutions including black holes, semi-infinite throats and star-like configurations. In particular, we consider the Bose-Parker-Peleg (BPP... | ['1999-04-28'] |
6,147 | ['eng'] | ['Harikumar, E', 'Sivakumar, M'] | ['Topologically Massive Abelian Gauge Theory From BFT Hamiltonian Embedding of A First-order Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, abelian', 'mass, topological', 'Hamiltonian formalism, embedding', 'path integral, phase space', 'field theory, BF'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904183'] | ['We start with a new first order gauge non-invariant formulation of massive spin-one theory and map it to a reducible gauge theory viz; abelian $B{\\wedge}F$ theory by the Hamiltonian embedding procedure of Batalin, Fradkin and Tyutin(BFT). This equivalence is shown from the equations of motion of the embedded Hamilto... | ['1999-04-28'] |
6,148 | ['eng'] | ['Fröhlich, J', 'Graf, G M', 'Hasler, D', 'Hoppe, J', 'Yau, S T'] | ['Asymptotic Form of Zero Energy Wave Functions in Supersymmetric Matrix Models'] | ['Particle Physics - Theory'] | ['matrix model', 'supersymmetry, charge', 'wave function, asymptotic behavior', 'symmetry, SU(2) x Spin(N)', 'gauge field theory, SU(2)', 'dimensional reduction', 'zero mode'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904182'] | ['We derive the power law decay, and asymptotic form, of SU(2) x Spin(d) invariant wave-functions which are zero-modes of all s_d=2(d-1) supercharges of reduced (d+1)-dimensional supersymmetric SU(2) Yang Mills theory, resp. of the SU(2)-matrix model related to supermembranes in d+2 dimensions.'] | ['1999-04-28'] |
6,149 | ['eng'] | ['Lee, B H', 'Lee, H', 'Ohta, N', 'Yang, H S'] | ['Maxwell Chern-Simons Solitons from Type IIB String Theory'] | ['Particle Physics - Theory'] | ['string model', 'soliton, spectra', 'Chern-Simons term', 'dimension, 3', 'supersymmetry', 'membrane model', 'symmetry, mirror', 'vortex', 'soliton, BPS', 'gauge field theory, U(1)', 'gauge field theory, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904181'] | ['We study various three-dimensional supersymmetric Maxwell Chern-Simons solitons by using type IIB brane configurations. We give a systematic classification of soliton spectra such as topological BPS vortices and nontopological vortices in $\\cn=2,3$ supersymmetric Maxwell Chern-Simons system via the branes of type II... | ['1999-04-28'] |
6,150 | ['eng'] | ['Blau, Matthias', 'Gava, E', 'Narain, Kumar S'] | ['On Subleading Contributions to the AdS/CFT Trace Anomaly'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'anomaly', 'dimension, 4', 'supergravity', 'dimension, 5', 'expansion 1/N', 'duality', 'effective action', 'gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'Chern-Simons term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904179'] | ['In the context of the AdS/CFT correspondence, we perform a direct computation in AdS_5 supergravity of the trace anomaly of a d=4, N=2 SCFT. We find agreement with the field theory result up to next to leading order in the 1/N expansion. In particular, the order N gravitational contribution to the anomaly is obtained... | ['1999-04-27'] |
6,151 | ['eng'] | ['Lepora, N F', 'Kibble, Thomas Walter Bannerman'] | ['Electroweak Vacuum Geometry'] | ['Particle Physics - Theory'] | ['Salam-Weinberg model', 'symmetry breaking', 'vacuum state, geometry', 'string model', 'vortex', 'Aharonov-Bohm effect', 'sphaleron'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904178'] | ['We analyse symmetry breaking in the Weinberg-Salam model paying particular attention to the underlying geometry of the theory. In this context we find two natural metrics upon the vacuum manifold: an isotropic metric associated with the scalar sector, and a squashed metric associated with the gauge sector. Physically... | ['1999-04-27'] |
6,152 | ['eng'] | ['Lepora, N F', 'Kibble, Thomas Walter Bannerman'] | ['Classifying Vortex Solutions to Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'gauge field theory, SU(2) x U(1)', 'vacuum state', 'vortex, stability', 'field theory, scalar', 'symmetry breaking', 'torus', 'gauge field theory, SU(5)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904177'] | ['We classify the spectrum, family structure and stability of Nielsen-Olesen vortices embedded in a larger gauge group when the vacuum manifold is related to a symmetric space.'] | ['1999-04-27'] |
6,153 | ['eng'] | ['Garriga, J', 'Mukhanov, V F'] | ['Perturbations in k-inflation'] | ['Particle Physics - Theory'] | ['inflationary universe', 'perturbation, scalar', 'perturbation, tensor', 'fluctuation, spectra', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904176'] | ["We extend the theory of cosmological perturbations to the case when the ``matter'' Lagrangian is an arbitrary function of the scalar field and its first derivatives. In particular, this extension provides a unified description of known cases such as the usual scalar field and the hydrodynamical perfect fluid. In addi... | ['1999-04-27'] |
6,154 | ['eng'] | ['Brinne, B', 'Hjelmeland, S E', 'Lindström, U'] | ['World-Volume Locally Supersymmetric Born-Infeld Actions'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'superspace', 'membrane model', 'supergravity', 'dimension, 3', 'invariance, Weyl'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904175'] | ['We derive manifestly locally supersymmetric extensions of the Born-Infeld action with $p=2$. The construction is based on a first order bosonic action for $Dp$-branes with a generalized Weyl invariance.'] | ['1999-04-27'] |
6,155 | ['eng'] | ['Volkov, M S', 'Maison, D'] | ["Bogomol'nyi Equations for Einstein-Yang-Mills-Dilaton theory"] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Einstein equation', 'dilaton', 'Bogomolnyi equation', 'supergravity', 'gauge field theory, SU(2) x SU(2)', 'gauge field theory, SU(2) x SU(1,1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904174'] | ["A static, spherically symmetric and purely magnetic solution of the Einstein-Yang-Mills-Dilaton theory, found previously by numerical integration is shown to obey a system of first order Bogomol'nyi equations. As common for such equations, there is a tight relation to supersymmetry, in the present case to the N=4 gau... | ['1999-04-27'] |
6,156 | ['eng'] | ['Appelquist, Thomas W', 'Cohen, A', 'Schmaltz, M', 'Shrock, R E'] | ['New Constraints on Chiral Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, chiral', 'strong coupling', 'asymptotic freedom', 'gauge field theory, SU(N)', 'supersymmetry', 'infrared problem', 'particle, spectra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904172'] | ['Recently, a new constraint on the structure of a wideclass of strongly coupled field theories has been proposed. It takes the form of an inequality limiting the number of degrees of freedom in the infrared description of a theory to be no larger than the number of underlying, ultraviolet degrees of freedom. Here we a... | ['1999-04-27'] |
6,157 | ['eng'] | ['Mignaco, J A', 'Sigaud, C', 'Silva, A R', 'Vanhecke, F J'] | ['Connes-Lott model building on the two-sphere'] | ['Particle Physics - Theory'] | ['Connes-Lott model', 'Hilbert space', 'algebra, Clifford', 'geometry, noncommutative', 'gauge field theory, Yang-Mills', 'Higgs model', 'operator, Dirac', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904171'] | ['In this work we examine generalized Connes-Lott models on the two-sphere. The Hilbert space of the continuum spectral triple is taken as the space of sections of a twisted spinor bundle, allowing for nontrivial topological structure (magnetic monopoles). The finitely generated projective module over the full algebra ... | ['1999-04-27'] |
6,158 | ['eng'] | ['Ulrych, S'] | ['A second order differential equation for the relativistic description of electrons and photons'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, relativistic', 'Klein-Gordon equation', 'spin', 'space-time, algebra', 'photon electron, interaction', 'Dirac equation', 'Maxwell equation', 'mathematical methods, variational', 'current, conservation law', 'quantization, canonical', 'group theory, Poincare', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904170'] | ['A new relativistic description of quantum electrodynamics is presented. Guideline of the theory is the Klein-Gordon equation, which is reformulated to consider spin effects. This is achieved by a representation of relativistic vectors with a space-time algebra made up of Pauli matrices and hyperbolic numbers. The alg... | ['1999-04-27'] |
6,159 | ['eng'] | ['Schwarz, A'] | ['Quantum observables, Lie algebra homology and TQFT'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'homology', 'field theory, topological', 'sigma model', 'quantization, Batalin-Vilkovisky', 'space, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904168'] | ["Let us consider a Lie (super)algebra $G$ spanned by $T_{\\alpha}$ where $T_{\\alpha}$ are quantum observables in BV-formalism. It is proved that for every tensor $c^{\\alpha_1...\\alpha_k}$ that determines a homology class of the Lie algebra $G$ the expression $c^{\\alpha_1...\\alpha_k}T_{\\alpha _1}...T_{\\alpha_k}$... | ['1999-04-27'] |
6,160 | ['eng'] | ['Basu-Mallick, B', 'Ujino, H', 'Wadati, Miki'] | ['Exact spectrum and partition function of SU(m|n) supersymmetric Polychronakos model'] | ['Particle Physics - Theory'] | ['Polychronakos model', 'supersymmetry', 'symmetry, SU(M|N)', 'partition function', 'energy spectrum', 'duality', 'Calogero model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904167'] | ["By using the fact that Polychronakos-like models can be obtained through the `freezing limit' of related spin Calogero models, we calculate the exact spectrum as well as partition function of SU(m|n) supersymmetric Polychronakos (SP) model. It turns out that, similar to the non-supersymmetric case, the spectrum of SU... | ['1999-04-27'] |
6,161 | ['eng'] | ['Jafarizadeh, M A', 'Moayedi, S K'] | ['Degeneracy and Para-supersymmetry of Dirac Hamiltonian in (2+1)-spacetime'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'spin, 1/2', 'dimension, 3', 'magnetic field, constant', 'magnetic monopole', 'Dirac equation, solution', 'symmetry, SL(2,C)', 'parasupersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904166'] | ["The quantum mechanics of a spin 1/2 particle on a locally spatial constant curvature part of a (2+1)- spacetime in the presence of a constant magnetic field of a magnetic monopole has been investigated. It has been shown that these 2-dimensional Hamiltonians have the degeneracy group of SL(2,c), and para-supersymmetr... | ['1999-04-27'] |
6,162 | ['eng'] | ['Trigiante, M'] | ['Branes in Anti- de Sitter Space-Time'] | ['Particle Physics - Theory'] | ['talk, Bari 1998/09/20', 'membrane model', 'space-time, anti-de Sitter', 'holography', 'field theory, conformal', 'quantum gravity', 'duality', 'singleton', 'string model', 'supersymmetry', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904165'] | ["An intense study of the relationship between certain quantum theories of gravity realized on curved backgrounds and suitable gauge theories, has been originated by a remarkable conjecture put forward by Maldacena almost one year ago. Among the possible curved vacua of superstring or M-theory, spaces having the form o... | ['1999-04-27'] |
6,163 | ['eng'] | ['Li, M'] | ['Energy-Momentum Conservation and Holographic S-Matrix'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'conservation law, energy-momentum', 'S-matrix', 'holography', 'n-point function', 'analytic properties', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904164'] | ['We investigate the consequence of the energy-momentum conservation law for the holographic S-matrix from AdS/CFT correspondence. It is shown that the conservation law is not a natural consequence of conformal invariance in the large N limit. We predict a new singularity for the four point correlation function of a ma... | ['1999-04-27'] |
6,164 | ['eng'] | ['Lugo, A R'] | ['Non linear realizations of isometry groups, conformal algebras and geodesics in Anti- de Sitter like spaces'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'isometry', 'algebra, conformal', 'representation, nonlinear', 'symmetry, SO(N,M)', 'coset space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904163'] | ['We present the explicit global realization of the isometries of anti-de Sitter like spaces of signature $(d_-,d_+)$, and their algebras in the space of functions on the pseudo-Riemannian symmetric space $SO(d_- +1,d_+) / SO(d_-,d_+)$. The process of going to the invariant boundaries leads to the realization of the co... | ['1999-04-27'] |
6,165 | ['eng'] | ['Balbinot, R', 'Fabbri, A', 'Shapiro, I'] | ['Vacuum polarization in Schwarzschild space-time by anomaly induced effective actions'] | ['Particle Physics - Theory'] | ['space-time, Schwarzschild', 'field theory, scalar', 'massless', 'field theory, conformal', 'tensor, energy-momentum', 'effective action', 'boundary condition', 'anomaly', 'vacuum polarization', 'vacuum state', 'dimension, 2', 'dimension, 4'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904162'] | ['The characteristic features of $<T_{\\mu\\nu}>$ in the Boulware, Unruh and Hartle-Hawking states for a conformal massless scalar field propagating in the Schwarzschild space-time are obtained by means of effective actions deduced by the trace anomaly. The actions are made local by the introduction of auxiliary fields... | ['1999-04-27'] |
6,166 | ['eng'] | ['Lugo, A R'] | ['Non standard parametrizations and adjoint invariants of classical groups'] | ['Particle Physics - Theory'] | ['group theory, Lie', 'parametrization, local', 'group theory, SO(N,M)', 'group theory, SU(N)', 'coset space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904161'] | ['We obtain in a constructive way local parametrizations of classical Lie groups where adjoint invariants under maximal compact subgroups are manifest. Extension to non compact subgroups is straightforward. They are of physical interest in any theory gauge invariant under the adjoint action, typical examples being the ... | ['1999-04-27'] |
6,167 | ['eng'] | ['Ioannidou, T A', 'Piette, B M A G', 'Zakrzewski, W J'] | ['Spherically Symmetric Solutions of the SU(N) Skyrme Models'] | ['Particle Physics - Theory'] | ['Skyrme model, SU(N)', 'field equations, solution', 'symmetry, rotational', 'transformation, harmonic', 'energy', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904160'] | ['Recently we have presented in hep-th/9811071 an ansatz which allows us to construct skyrmion fields from the harmonic maps of $S\\sp2$ to $CP\\sp{N-1}$. In this paper we examine this construction in detail and use it to construct, in an explicit form, new static spherically symmetric solutions of the SU(N) Skyrme mod... | ['1999-04-26'] |
6,168 | ['eng'] | ['Nobre, F A S', 'Almeida, C A S'] | ["Pauli's Term and Fractional Spin"] | ['Particle Physics - Theory'] | ['Higgs model, abelian', 'Chern-Simons term', 'spin, fractional', 'Pauli term', 'constraint', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904159'] | ['In this work we consider an Abelian Chern-Simons-Higgs model coupled non-minimally to matter fields. This coupling is implemented by means of a Pauli-type coupling. We show that the Pauli term is sufficient to gives rise to fractional spin.'] | ['1999-04-26'] |
6,169 | ['eng'] | ['Ranada, A F'] | ['The fine structure constant at the unification scale equal to $1/4\\pi$?'] | ['Particle Physics - Theory'] | ['charge, quantization', 'model, topological', 'fundamental constant, fine structure', 'energy', 'symmetry breaking', 'grand unified theory', 'vacuum state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904158'] | ['A recently proposed topological mechanism for the quantization of the charge gives the value e_0=\\sqrt{\\hbar c} for both the fundamental electric and magnetic charges. It is argued that the corresponding fine structure constant'] | ['1999-04-26'] |
6,170 | ['eng'] | ['Zhou, B', 'Zhu, C J'] | ['The Complete Brane Solution in D-dimensional Coupled Gravity System'] | ['Particle Physics - Theory'] | ['gravitation, any-dimensional', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904157'] | ['In this letter we present the complete explicit brane solution in D-dimensional coupled gravity system.'] | ['1999-04-26'] |
6,171 | ['eng'] | ['Chakraborty, B', 'Majumdar, A S'] | ['Solitons in a gauged Landau-Lifshitz model'] | ['Particle Physics - Theory'] | ['Landau-Lifshitz model', 'soliton', 'background field, scalar', 'field theoretical model, CP(1)', 'symmetry, SU(2)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904156'] | ['We study the gauged Landau-Lifshitz model in which a suitably chosen triplet of background scalar fields is included. It is shown that the model admits solitonic configurations.'] | ['1999-04-26'] |
6,172 | ['eng'] | ['Abe, M', 'Sato, M'] | ['Puzzles on the duality between heterotic and type IIA strings'] | ['Particle Physics - Theory'] | ['string model', 'duality', 'space, Calabi-Yau', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904155'] | ['We discuss the possibility of the extension of the duality between the webs of heterotic string and the type IIA string to Calabi-Yau 3-folds with another K3 fiber by comparing the dual polyhedron of Calabi-Yau 3-folds given by Candelas, Perevalov and Rajesh.'] | ['1999-04-26'] |
6,173 | ['eng'] | ['Silva, A J'] | ['Non Relativistic Limit of a Model of Fermions interacting through a Chern-Simons Field'] | ['Particle Physics - Theory'] | ['talk, La Plata 1998/11/28', 'fermion, nonrelativistic', 'Chern-Simons term', 'dimension, 1', 'dimension, 3', 'effective Lagrangian', 'scattering amplitude', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904154'] | ["We study the non relativistic limit of a Model of Fermions interacting through a Chern-Simons Field, from a perspective that resembles the Wilson's Renormalization Group approach, instead of the more usual approach found in most texts of Field Theory. The solution of some difficulties, and a new understanding of non ... | ['1999-04-23'] |
6,174 | ['eng'] | ['Olsen, K', 'Szabo, R J'] | ['Brane Descent Relations in K-theory'] | ['Particle Physics - Theory'] | ['K-theory', 'membrane model, D-brane', 'bound state', 'tachyon, condensation', 'topology, defect', 'soliton, topological', 'string model', 'supersymmetry', 'algebra, Clifford', 'duality, transformation', 'spinor', 'orientifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904153'] | ['The various descent and duality relations among BPS and non-BPS D-branes are classified using topological K-theory. It is shown how the descent procedures for producing type-II D-branes from brane-antibrane bound states by tachyon condensation and $\\klein$ projections arise as natural homomorphisms of K-groups gener... | ['1999-04-23'] |
6,175 | ['eng'] | ['Abreu, E M C', 'Ilha, A', 'Neves, C', 'Wotzasek, C'] | ['Constraints of Interference Over the Regularization Ambiguity of 2D Chiral Fermionic Determinants'] | ['Particle Physics - Theory'] | ['Schwinger model, chiral', 'dimension, 2', 'fermion, determinant', 'regularization', 'interference, chiral', 'constraint', 'soldering', 'bosonization', 'boson, chiral', 'mass formula'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904152'] | ['The regularization ambiguity manifest in the fermionic determinant of the chiral Schwinger model ($\\chi QED_2$ is studied and the restriction imposed by the interference is computed. The classification of the regularization ambiguity in three different classes according to the number of second-class constraints, inc... | ['1999-04-23'] |
6,176 | ['eng'] | ['Gregori, A', 'Kounnas, Costas'] | ['Four-Dimensional N=2 Superstring Constructions and their (Non-) Perturbative Duality Connections'] | ['Particle Physics - Theory'] | ['M-theory', 'vacuum state', 'orbifold', 'string model', 'supersymmetry', 'duality', 'spontaneous compactification', 'effective action', 'gravitation, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904151'] | ['We investigate the connections between four-dimensional, N=2 M-theory vacua constructed as orbifolds of type II, heterotic, and type I strings. All these models have the same massless spectrum, which contains an equal number of vector multiplets and hypermultiplets, with a gauge group of the maximal rank allowed in a... | ['1999-04-23'] |
6,177 | ['eng'] | ['Hofman, C M', 'Park, J S'] | ['$\\sigma$ Models for Bundles on Calabi-Yau'] | ['Particle Physics - Theory'] | ['sigma model, linear', 'gauge field theory', 'supersymmetry', 'space, Calabi-Yau', 'membrane model', 'string model', 'matrix model', 'fibre bundle', 'moduli space', 'field theory, topological', 'cohomology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904150'] | ['We describe a class of supersymmetric gauged linear sigma-model, whose target space is the infinite dimensional space of bundles on a Calabi-Yau 3- or 2-fold. This target space can be considered the configuration space of D-branes wrapped around the Calabi-Yau. We propose that this model can be used to define matrix ... | ['1999-04-23'] |
6,178 | ['eng'] | ['Zarembo, K'] | ['Wilson Loop Correlator in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['Wilson loop, correlation function', 'space-time, anti-de Sitter', 'field theory, conformal', 'gauge field theory, Yang-Mills', 'critical phenomena', 'strong coupling', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904149'] | ['The AdS/CFT correspondence predicts a phase transition in Wilson loop correlators in the strong coupling N=4, D=4 SYM theory which arises due to instability of the classical string stretched between the loops. We study this transition in detail by solving equations of motion for the string in the particular case of t... | ['1999-04-22'] |
6,179 | ['eng'] | ['Mann, R B'] | ['Entropy of Rotating Misner String Spacetimes'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'angular momentum', 'energy', 'entropy', 'string, Misner', 'space-time, Kerr'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904148'] | ['Using a boundary counterterm prescription motivated by the AdS/CFT conjecture, I evaluate the energy, entropy and angular momentum of the class of Kerr-NUT/bolt-AdS spacetimes. As in the non-rotating case, when the NUT charge is nonzero the entropy is no longer equal to one-quarter of the area due to the presence of ... | ['1999-04-22'] |
6,180 | ['eng'] | ['Naik, S'] | ['Improved heavy quark potential at finite temperature from anti- de Sitter supergravity'] | ['Particle Physics - Theory'] | ['talk, Puri 1998/12/09', 'quantum chromodynamics', 'dimension, 3', 'quark, heavy', 'quark, potential', 'finite temperature', 'Wilson loop', 'supergravity', 'space-time, anti-de Sitter', 'field theory, conformal', 'fluctuation', 'string model', 'gauge, static'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904147'] | ['We improve the heavy quark potential, extracted from the Wilson loop average in the Ads/CFT approach by taking the quantum fluctuation of the only radial coordinate of Ads_5 which is transverse to the world-sheet of the classical Nambu-Goto string in the static gauge, and obtain the universal L{ü}scher-Symanzik-Weisz... | ['1999-04-22'] |
6,181 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Anomaly induced effective actions in even dimensions and reliability of s-wave approximation'] | ['Particle Physics - Theory'] | ['effective action', 'anomaly, conformal', 'gravitation', 'dilaton', 'dimension, 2', 'dimension, 4', 'spinor, Majorana', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904146'] | ['The reduction of 4d matter-gravity theory to S_2, H_2 or R_2 leads to effective 2d dilatonic gravity with dilaton coupled matter. Spinors give the exceptional example of the theory which is conformally invariant in 4d as well as in 2d, after reduction. We find 4d and 2d conformal anomaly induced effective action (EA)... | ['1999-04-22'] |
6,182 | ['eng'] | ['Gawedzki, K'] | ['Conformal field theory'] | ['Particle Physics - Theory'] | ['lectures', 'field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'path integral', 'quantum mechanics', 'boundary condition', 'correlation function', 'current algebra', 'algebra, Virasoro', 'Chern-Simons term', 'dimension, 3', 'quantization', 'Hilbert space', 'symmetry, chiral', 'coset space', 'scatte... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904145'] | ['This is a set of introductory lecture notes devoted to the Wess-Zumino-Witten model of two-dimensional conformal field theory. We review the construction of the exact solution of the model from the functional integral point of view. The boundary version of the theory is also briefly discussed.'] | ['1999-04-22'] |
6,183 | ['eng'] | ['Walker, M L', 'Burden, C J'] | ['Nonperturbative Vertices in Supersymmetric Quantum Electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'supersymmetry', 'Ward identity', 'vertex function, nonperturbative'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904144'] | ['We derive the complete set of supersymmetric Ward identities involving only two- and three- point proper vertices in supersymmetric QED. We also present the most general form of the proper vertices consistent with both the supersymmetric and U(1) gauge Ward identities. These vertices are the supersymmetric equivalent... | ['1999-04-22'] |
6,184 | ['eng'] | ['Spradlin, M', 'Strominger, A'] | ['Vacuum States for $AdS_{2}$ Black Holes'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'space-time, anti-de Sitter', 'dimension, 2', 'vacuum state', 'invariance, SL(2,R)', 'propagator', 'tensor, energy-momentum', 'field theory, scalar', 'entropy', 'decoupling, violation', 'correlation function, boundary condition', 'quantum mechanics', 'temperature, Hawking', 'thermodynamics', 're... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904143'] | ['An AdS_2 black hole spacetime is an AdS_2 spacetime together with a preferred choice of time. The Boulware, Hartle-Hawking and SL(2,R) invariant vacua are constructed, together with their Green functions and stress tensors, for both massive and massless scalars in an AdS_2 black hole. The classical Bekenstein-Hawking... | ['1999-04-22'] |
6,185 | ['eng'] | ['Minwalla, S', 'Seiberg, N'] | ['Comments on the IIA NS5-brane'] | ['Particle Physics - Theory'] | ['membrane model', 'supergravity', 'expansion 1/N', 'graviton, absorption', 'holography', 'tensor, energy-momentum', 'two-point function', 'renormalization, momentum dependence', 'string model', 'differential equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904142'] | ['We study $N$ coincident IIA NS5-branes at large $N$ using supergravity. We show that the absorption cross section for gravitons in this background does not vanish at zero string coupling for energies larger than ${m_søver intrinsic theory of the IIA NS5-branes, we find an expression for the two point function of the ... | ['1999-04-21'] |
6,186 | ['eng'] | ['Rasmussen, J', 'Schnittger, J'] | ['Negative Screenings in Conformal Field Theory and 2D Gravity'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, Liouville', 'gravitation', 'dimension, 2', 'gas, Coulomb', 'operator, screening', 'operator, vertex', 'symmetry, chiral', 'R-matrix', 'braid group', 'charge, screening', 'operator, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904141'] | ['We consider an extension of the Coulomb gas picture which is motivated by Liouville theory and contains negative powers of screening operators on the same footing as positive ones. The braiding problem for chiral vertex operators in this extended framework is analyzed. We propose explicit expressions for the R-matrix... | ['1999-04-21'] |
6,187 | ['eng'] | ['Antonuccio, F', 'Andersen, J O'] | ['Two-Loop Calculations in $\\phi^{4}$ Light-Front Field Theory'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'light front', 'mass, renormalization', 'Feynman graph, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904140'] | ['We perform a two-loop calculation in light-front phi^4 theory to determine the effective mass renormalization of the light-front Hamiltonian. The renormalization scheme adopted here is manifestly boost invariant, and yields results that are in perfect agreement with the explicitly covariant Feynman diagram approach.'... | ['1999-04-21'] |
6,188 | ['eng'] | ['Alves, V S', 'Gomes, M J', 'Pinheiro, S V L', 'Silva, A J'] | ['Four Fermion Field Theories and the Chern-Simons Field'] | ['Particle Physics - Theory'] | ['four-fermion interaction', 'Chern-Simons term', 'renormalization group', 'dimension, 3', 'fixed point', 'operator, composite', 'symmetry, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904139'] | ['In (2+1) dimensions, we consider the model of a $N$ flavor, two-component fermionic field interacting through a Chern-Simons field besides a four fermion self-interaction which consists of a linear combination of the Gross-Neveu and Thirring like terms. The four fermion interaction is not perturbatively renormalizabl... | ['1999-04-21'] |
6,189 | ['eng'] | ['Fosco, C D', 'Le Guillou, J C'] | ['On the Radiatively Induced CPT-Odd Term in QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'symmetry breaking, Lorentz', 'violation, CPT', 'coupling, axial', 'radiative correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904138'] | ["We calculate the radiatively induced Lorentz and CPT breaking `Chern-Simons' term in QED, with electrons axially coupled to a constant vector $b_\\mu$, to all orders in $b_\\mu$. This term is the integral of a Lagrangian density ${\\cal L}_k = 1/2 \\epsilon^{\\mu\\nu\\rho\\sigma}k_\\mu F_{\\nu\\rho}A_\\sigma$. When $... | ['1999-04-21'] |
6,190 | ['eng'] | ['Chryssomalakos, C', 'de Azcárraga, J A', 'Izquierdo, J M', 'Bueno, J C P'] | ['The geometry of branes and extended superspaces'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, D-brane', 'superspace', 'geometry', 'central charge', 'algebra, Lie', 'cohomology', 'current, Noether', 'fibre bundle', 'string model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904137'] | ['We argue that a description of supersymmetric extended objects from a unified geometric point of view requires an enlargement of superspace. To this aim we study in a systematic way how superspace groups and algebras arise from Grassmann spinors when these are assumed to be the only primary entities. In the process, ... | ['1999-04-21'] |
6,191 | ['eng'] | ['Prange, D'] | ['Lorentz Covariance in Epstein-Glaser Renormalization'] | ['Particle Physics - Theory'] | ['renormalization', 'invariance, Lorentz', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904136'] | ['We give explicit and inductive formulas for the construction of a Lorentz covariant renormalization in the EG approach. This automatically provides for a covariant BPHZ subtraction at totally spacelike momentum useful for massless theories.'] | ['1999-04-21'] |
6,192 | ['eng'] | ['Cvetic, M', 'Lü, H', 'Vázquez-Poritz, J F'] | ['Massive-Scalar Absorption by Extremal p-branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'scalar particle, absorption', 'scalar particle, massive', 'black hole', 'string model, dyon', 'wave function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904135'] | ['We study the absorption probability of minimally-coupled massive scalars by extremal p-branes. In particular, we find that the massive scalar wave equation under the self-dual string background has the same form as the massless scalar wave equation under the dyonic string background. Thus it can be cast into the form... | ['1999-04-21'] |
6,193 | ['eng'] | ["D'Andrade, M A", 'Toppan, F'] | ['Real Structures in Clifford Algebras and Majorana Conditions in Any Space-time'] | ['Particle Physics - Theory'] | ['algebra, Clifford', 'space-time, any-dimensional', 'representation, Weyl', 'spinor', 'charge, operator', 'constraint, Majorana'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904134'] | ['The Weyl representation is used to analyze Clifford algebras and Majorana conditions in any spacetime. An index labeling inequivalent Gamma-structures up to orthogonal conjugations is introduced. Inequivalent charge-operators in even-dimensions, invariant under Wick rotations, are considered. The hermiticity conditio... | ['1999-04-21'] |
6,194 | ['eng'] | ['Chu, C S', 'Ho, P M', 'Kao, Y C'] | ['Worldvolume Uncertainty Relations for D-Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supergravity', 'uncertainty relations', 'string model, quantization', 'supergravity', 'gauge field theory, noncommutative', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904133'] | ['By quantizing an open string ending on a D-brane in a nontrivial supergravity background, we argue that there is a new kind of uncertainty relation on a D-brane worldvolume. Furthermore, we fix the form of the uncertainty relations and their dependence on the string coupling constant by requiring them to be consisten... | ['1999-04-21'] |
6,195 | ['eng'] | ['Chaichian, Masud', 'Demichev, A P', 'Presnajder, P'] | ['Quantum Field Theory on the Noncommutative Plane with $E_{q}(2)$ Symmetry'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'space-time, noncommutative', 'quantum group, E(2)', 'quantum group, exceptional', 'quantization, 2', 'partial wave', 'lattice field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904132'] | ['We study properties of a scalar quantum field theory on the two-dimensional noncommutative plane with $E_q(2)$ quantum symmetry. We start from the consideration of a firstly quantized quantum particle on the noncommutative plane. Then we define quantum fields depending on noncommutative coordinates and construct a fi... | ['1999-04-21'] |
6,196 | ['eng'] | ['Das-Gupta, K', 'Mukhi, S'] | ['Brane Constructions, Fractional Branes and Anti-deSitter Domain Walls'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, fractional', 'membrane model, D-brane', 'domain wall', 'space-time, anti-de Sitter', 'tachyon', 'singularity', 'expansion 1/N', 'duality', 'quantum chromodynamics', 'supersymmetry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904131'] | ['Compactifications of type IIB string theory on AdS5 x X5, where X5 is an Einstein space, can have one-fourth or half maximal supersymmetry for certain choices of X5. Some of these theories admit exotic domain walls arising from 5-branes wrapping 2-cycles in X5. We explore the relationship among these domain walls, fr... | ['1999-04-21'] |
6,197 | ['eng'] | ['Lu, J X', 'Roy, S'] | ['Non-threshold (F, Dp) bound states'] | ['Particle Physics - Theory'] | ['membrane model', 'bound state, BPS', 'supersymmetry', 'string model', 'duality', 'charge', 'decoupling', 'coupling, quantization', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904129'] | ["In the previous paper [hep-th/9904112], we argued that there exist BPS bound states of Dp branes carrying certain units of quantized constant electric field for every $p$ (with $1 \\le p \\le 8$). Each of these bound states preserves one half of the spacetime supersymmetries. In this paper, we construct these bound s... | ['1999-04-20'] |
6,198 | ['eng'] | ['Polhemus, G M'] | ['Eigenvalue Repulsion and Matrix Black Holes'] | ['Particle Physics - Theory'] | ['black hole, holography', 'M-theory', 'Boltzmann equation', 'energy', 'entropy', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904128'] | ['Eigenvalue repulsion can explain the holographic growth of black holes in Matrix theory. The resulting picture is essentially the same as the Boltzman gas picture but avoids any assumption about the effective potential between the D0 branes. Further, eigenvalue repulsion extends the Boltzman gas picture past the BFKS... | ['1999-04-20'] |
6,199 | ['eng'] | ['Sharov, G S', 'Vorontsova, E G'] | ['Multidimensional Cosmological Solutions of Friedmann Type in Dilaton Gravity'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'space-time, any-dimensional', 'central charge', 'Friedman model', 'astrophysics, fundamental constant', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9904127'] | ['In $D$-dimensional dilaton gravitational model with the central charge deficit the generalized Friedmann-type cosmological solutions (spatially homogeneous and isotropic) are obtained and classified.'] | ['1999-04-20'] |
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