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 |
|---|---|---|---|---|---|---|---|---|
1,600 | ['eng'] | ['Alishahiha, M', 'Ita, H', 'Oz, Y'] | ['On Superconnections and the Tachyon Effective Action'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry', 'effective action', 'tachyon', 'membrane, condensation', 'differential geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012222'] | ['We propose a form of the effective action of the tachyon and gauge fields for brane-antibrane systems and non-BPS Dp-branes, written in terms of the supercurvature. Kink and vortex solutions with constant infinite gauge field strength reproduce the exact tensions of the lower-dimensional D-branes. We discuss the rela... | ['2000-12-25'] |
1,601 | ['eng'] | ['Bae, W S', 'Cho, Y M', 'Moon, S H'] | ['Living Inside the Horizon of the D3-Brane'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'horizon', 'Randall-Sundrum model', 'space-time, fluctuation', 'mass, hierarchy', 'radiation, Hawking', 'astrophysics, fundamental constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012221'] | ['We consider a brane world residing in the interior region inside the horizon of the D3-brane. The horizon size can be interpreted as the compactification size in that the Planck scale $M_{pl}$ is determined by the ten-dimensional gravity scale $M_*$ and the horizon size $r_H$ via the relation $M_{pl}^2\\sim M_*^8 r_H... | ['2000-12-25'] |
1,602 | ['eng'] | ['García-Compéan, H', 'Obregón, O', 'Ramírez, C', 'Sabido, M'] | ['On S-duality in (2+1)-Chern-Simons Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'Chern-Simons term', 'dimension, 3', 'S-duality', 'strong coupling', 'weak coupling', 'group theory, OSp(2,2/1)', 'field theory, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012220'] | ['Strong/weak coupling duality in Chern-Simons supergravity is studied. It is argued that this duality can be regarded as an example of superduality. The use of supergroup techniques for the description of Chern-Simons supergravity greatly facilitates the analysis.'] | ['2000-12-25'] |
1,603 | ['eng'] | ['Okawa, Y', 'Ooguri, H'] | ['How Noncommutative Gauge Theories Couple to Gravity'] | ['Particle Physics - Theory'] | ['string model, closed', 'gravitation', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'membrane model', 'tensor, energy-momentum', 'Wilson loop', 'tachyon', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012218'] | ['We study coupling of a noncommutative gauge theory on a brane to closed string in the bulk. We derive an expression for the gauge theory operator dual to the bulk graviton and find that it is different from what was expected in the literature when the graviton is polarized in the noncommutative directions. We also cl... | ['2000-12-22'] |
1,604 | ['eng'] | ['Corley, S', 'Ramgoolam, S'] | ['Projector Equivalences in K theory and Families of Non-commutative Solitons'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'K-theory', 'field theory, soliton', 'tachyon', 'operator, algebra', 'linear spaces, Hilbert space', 'gauge field theory, U(1)', 'Higgs model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012217'] | ['Projector equivalences used in the definition of the K-theory of operator algebras are shown to lead to generalizations of the solution generating technique for solitons in NC field theories, which has recently been used in the construction of branes from other branes in B-field backgrounds and in the construction of... | ['2000-12-22'] |
1,605 | ['eng'] | ['Ellis, Jonathan Richard', 'Mavromatos, Nikolaos E', 'Nanopoulos, Dimitri V'] | ['Space-time foam effects on particle interactions and the Greisen-Zatsepin-Kuzmin cutoff'] | ['Particle Physics - Theory'] | ['space-time, foam', 'string model', 'field theory, Liouville', 'dispersion relations', 'tensor, energy-momentum', 'conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012216'] | ['Modelling space-time foam using a non-critical Liouville-string model for the quantum fluctuations of D branes with recoil, we discuss the issues of momentum and energy conservation in particle propagation and interactions. We argue that momentum should be conserved exactly during propagation and on the average durin... | ['2000-12-22'] |
1,606 | ['eng'] | ['Battye, R A', 'Sutcliffe, P M'] | ['Solitonic Fullerenes'] | ['Particle Physics - Theory'] | ['Skyrme model, SU(2)', 'soliton, topological', 'nuclear model', 'nucleon, density', 'ionization, energy', 'binding energy', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012215'] | ['The Skyrme model is a classical field theory which has topological soliton solutions. These solitons are candidates for describing nuclei, with an identification between the numbers of solitons and nucleons. We have computed numerically, using two different minimization algorithms, minimum energy configurations for u... | ['2000-12-22'] |
1,607 | ['eng'] | ['Klemm, D'] | ['Dualities in D=5, N=2 Supergravity, Black Hole Entropy, and AdS Central Charges'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'supergravity', 'duality', 'black hole, entropy', 'central charge, anti-de Sitter', 'dimension, 5', 'multiplet, vector'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012214'] | ["The issue of microstate counting for general black holes in D=5, N=2 supergravity coupled to vector multiplets is discussed from various viewpoints. The statistical entropy is computed for the near-extremal case by using the central charge appearing in the asymptotic symmetry algebra of AdS_2. Furthermore, we show th... | ['2000-12-22'] |
1,608 | ['eng'] | ['Curio, G', 'Klemm, A D', 'Lüst, Dieter', 'Theisen, Stefan J'] | ['On the Vacuum Structure of Type II String Compactifications on Calabi-Yau Spaces with H-Fluxes'] | ['Particle Physics - Theory'] | ['vacuum state', 'string model', 'supersymmetry', 'spontaneous compactification', 'potential, superpotential', 'flux', 'black hole', 'soliton, BPS', 'space, Calabi-Yau', 'moduli space', 'geometry, algebra', 'Seiberg-Witten model', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012213'] | ["We discuss the vacuum structure of type IIA/B Calabi-Yau string compactifications to four dimensions in the presence of n-form H-fluxes. These will lift the vacuum degeneracy in the Calabi-Yau moduli space, and for generic points in the moduli space, N=2 supersymmetry will be broken. However, for certain `aligned' ch... | ['2000-12-22'] |
1,609 | ['eng'] | ['Bain, P'] | ['Taming the supergravity description of non-BPS D-branes'] | ['Particle Physics - Theory'] | ['supergravity', 'membrane model, D-brane', 'string model', 'bound state', 'field equations, solution', 'orbifold', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012211'] | ['We obtain the supergravity solution which describes a bound state of D-string/anti-D-string pairs attached to different fixed planes of an orbifold, in type IIB string theory compactified on T^4/Z_2. For parameters at which the conformal field theory point of view predicts stability, the solution displays a repulson-... | ['2000-12-22'] |
1,610 | ['eng'] | ['Takayanagi, T', 'Terashima, S', 'Uesugi, T'] | ['Brane-Antibrane Action from Boundary String Field Theory'] | ['Particle Physics - Theory'] | ['membrane model, antibrane', 'field theory, string', 'boundary condition', 'path integral', 'soliton', 'field theory, action', 'tachyon, potential', 'tachyon, condensation', 'K-theory', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012210'] | ['In this paper we give the boundary string theory description of brane-antibrane systems. From the worldsheet action of brane-antibrane systems we obtain the tachyon potential and discuss the tachyon condensation exactly. We also find the world-volume action including the gauge fields. Moreover we determine RR-couplin... | ['2000-12-22'] |
1,611 | ['eng'] | ['Nandori, I', 'Polonyi, J', 'Sailer, K'] | ["Wave-function renormalization for the Coulomb-gas in Wegner-Houghton's RG method"] | ['Particle Physics - Theory'] | ['gas, Coulomb', 'renormalization group', 'wave function, renormalization', 'sine-Gordon model', 'expansion, derivative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012208'] | ['The RG flow for the sine-Gordon model is determined by means of the method of Wegner and Houghton in next-to-leading order of the derivative expansion. For small values of the fugacity this agrees with the well-known RG flow of the two-dimensional Coulomb-gas found in the dilute gas approximation and a systematic way... | ['2000-12-22'] |
1,612 | ['eng'] | ['Nagy, S', 'Sailer, K'] | ['Response of an electron system to a periodic potential'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 2', 'potential, chemical', 'electron, propagator', 'mean field approximation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012207'] | ['We give a quantum field theoretical treatment of a one dimensional electron system with a fixed chemical potential $\\mu$. The non-perturbative Lindhard response function is found for an electron system in a sinusoidal potential.'] | ['2000-12-22'] |
1,613 | ['eng'] | ['Corney, S P', 'Jarvis, P D', 'Tsohantjis, I', 'McAnally, D S'] | ['Generalised scalar particle quantisation in 1+1 dimensions and $D(2,1;\\alpha)$'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'superfield', 'algebra, conformal', 'dimension, 2', 'quantization, Becchi-Rouet-Stora', 'scalar particle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012206'] | ['The exceptional superalgebra $\\D21a$ has been classified as a candidate conformal supersymmetry algera in two dimensions. We propose an alternative interpretation of it as an extended BFV-BRST quantisation superalgebra in 2D ($D(2,1;1) \\simeq osp(2,2|2)$). A superfield realization is presented wherein the standard ... | ['2000-12-22'] |
1,614 | ['eng'] | ['Jarvis, P D', 'Fienberg, K S'] | ['On schizosymmetric superfields and sl(2/1,C)_R supersymmetry'] | ['Particle Physics - Theory'] | ['superfield', 'supersymmetry, SL(2/1,C)', 'algebra, Lorentz', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012205'] | ["Superfield expansions over four-dimensional graded spacetime $(x^\\mu,\\theta^\\nu)$, with Minkowski coordinates $x$ extended by vector Grassmann variables $\\theta$, are investigated. By appropriate identification of the physical Lorentz algebra in the even and odd parts of the superfield, a typology of `schizofield... | ['2000-12-22'] |
1,615 | ['eng'] | ['Andrianopoli, Laura', 'Cordaro, F', 'Fré, P', 'Gualtieri, L'] | ['Non-Semisimple Gaugings of D=5 N=8 Supergravity'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'supergravity', 'dimension, 5', 'algebra, differential', 'Bianchi identity', 'duality', 'differential forms', 'gauge field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012203'] | ['The recent construction of the non-semisimple gaugings of maximal D=5 supergravity is reported here. This construction is worked out in the so-called rheonomic approach, based on Free Differential Algebras and the solution of their Bianchi identities. In this approach the dualization mechanism between one-forms and t... | ['2000-12-22'] |
1,616 | ['eng'] | ['Grinstein, B', 'Nolte, D R', 'Skiba, W'] | ['Radion Stabilization by Brane Matter'] | ['Particle Physics - Theory'] | ['Einstein equation, solution', 'orbifold', 'dimension, 5', 'dimension, 4', 'membrane model', 'radion, stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012202'] | ["We find a static solution to Einstein's field equations on a five-dimensional orbifold with a compact S_1/Z_2 fifth direction and Poincare invariant 3+1 sections. The solution describes a theory with bulk cosmological constant and 3-branes at the orbifold fixed points which carry matter density and pressure in additi... | ['2000-12-22'] |
1,617 | ['eng'] | ['Ivanov, E', 'Krivonos, S', 'Lechtenfeld, O', 'Zupnik, B M'] | ['Partial spontaneous breaking of two-dimensional supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry, spontaneously broken', 'dimension, 2', 'action, nonlinear', 'Goldstone particle', 'string model', 'membrane model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012199'] | ['We construct low-energy Goldstone superfield actions describing various patterns of the partial spontaneous breakdown of two-dimensional N=(1,1), N=(2,0) and N=(2,2) supersymmetries, with the main focus on the last case. These nonlinear actions admit a representation in the superspace of the unbroken supersymmetry as... | ['2000-12-21'] |
1,618 | ['eng'] | ['Kraus, P', 'Larsen, F'] | ['Boundary String Field Theory of the DDbar System'] | ['Particle Physics - Theory'] | ['field theory, string', 'tachyon, condensation', 'gauge field theory', 'index theorem', 'membrane model', 'effective action', 'wave function', 'boundary condition', 'coupling', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012198'] | ["We develop the boundary string field theory approach to tachyon condensation on the DDbar system. Particular attention is paid to the gauge fields, which combine with the tachyons in a natural way. We derive the RR-couplings of the system and express the result in terms of Quillen's superconnection. The result is rel... | ['2000-12-21'] |
1,619 | ['eng'] | ['Boschi-Filho, H', 'Braga, N R F'] | ['Field spectrum and degrees of freedom in AdS/CFT correspondence and Randall Sundrum model'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'dimension, >4', 'Randall-Sundrum model', 'differential geometry', 'quantization', 'Hamiltonian formalism', 'holography', 'boundary condition', 'spectra, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012196'] | ['Compactified AdS space can not be mapped into just one Poincare coordinate chart. This implies that the bulk field spectrum is discrete despite the infinite range of the coordinates. We discuss here why this discretization of the field spectrum seems to be a necessary ingredient for the holographic mapping. For the R... | ['2000-12-21'] |
1,620 | ['eng'] | ['Gauntlett, J P', 'Kim, N', 'Waldram, D'] | ['M-Fivebranes Wrapped on Supersymmetric Cycles'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 5', 'supersymmetry', 'supergravity', 'field equations, solution', 'dimension, 7', 'dimension, 11', 'duality', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012195'] | ['We construct supergravity solutions dual to the twisted field theories arising when M-theory fivebranes wrap general supersymmetric cycles. The solutions are constructed in maximal D=7 gauged supergravity and then uplifted to D=11. Our analysis covers Kahler, special Lagrangian and exceptional calibrated cycles. The ... | ['2000-12-21'] |
1,621 | ['eng'] | ['Brinne, B', 'Fayyazuddin, A', 'Husain, T Z', 'Smith, D J'] | ['${\\cal N}$=1 M5-brane geometries'] | ['Particle Physics - Theory'] | ['membrane model', 'supergravity', 'dimension, 11', 'duality', 'gauge field theory', 'Riemann surfaces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012194'] | ["We find new solutions to 11-dimensional supergravity describing M5-branes wrapped on holomorphic 2-cycles embedded in $\\CC^3$. These solutions preserve ${\\cal N}=1$ supersymmetry in four dimensions. They are dual to ${\\cal N}=1$ gauge theories in four dimensions by Maldacena's duality."] | ['2000-12-21'] |
1,622 | ['eng'] | ['Merlatti, P', 'Sabella, G'] | ['World Volume Action for Fractional Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'membrane, fractional', 'string model', 'supersymmetry', 'scattering amplitude', 'spontaneous compactification, orbifold', 'geometry', 'field theory, conformal', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012193'] | ['We study the world volume action of fractional Dp-branes of type IIA string theory compactified on the orbifold T^4/Z_2. The geometric relation between these branes and wrapped branes is investigated using conformal techniques. In particular we examine in detail various scattering amplitudes and find that the leading... | ['2000-12-21'] |
1,623 | ['eng'] | ['Kounnas, Costas'] | ['Type II NS Five-Branes'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'membrane model, p-brane', 'p-brane, 5', 'string model', 'field theory, conformal', 'supersymmetry', 'fluctuation', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012192'] | ["The near-horizon geometry of parallel NS5-branes is described by an exact superconformal 2d field theory based on K^10 = W(k)^4 x M^6, with M^6 a flat 5+1 space time and W(k)^4 =U(1) x SU(2)(k), a four dimensional background with non-trivial dilaton. The ten-dimensional ``BULK'' spectrum of excitations of K^10 can be... | ['2000-12-21'] |
1,624 | ['eng'] | ['Kobakhidze, A B'] | ['Extra dimensions and self-organizing criticality'] | ['Particle Physics - Theory'] | ['talk, Tbilisi 2000/09/10', 'talk, Trieste 2000/07/03', 'hierarchy, gauge', 'space-time, higher-dimensional', 'critical phenomena', 'Higgs model', 'model, Yukawa', 'infrared problem, fixed point'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012191'] | ['We discuss a possible explanation of the hierarchy problem within the theories with spacetime dimensions higher than four. We show that the presence of relatively (not hierarchycally) large extra dimensions can significantly alter the evolution of the Higgs field VEV, driving it to an infrared stable fixed point $\\s... | ['2000-12-21'] |
1,625 | ['eng'] | ['Davydychev, A I', 'Kalmykov, M Yu'] | ['New results for the epsilon-expansion of certain one-, two- and three-loop Feynman diagrams'] | ['Particle Physics - Theory'] | ['field theory', 'Feynman graph, higher-order', 'regularization, dimensional', 'epsilon expansion', 'analytic properties', 'mathematical methods', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012189'] | ['For certain dimensionally-regulated one-, two- and three-loop diagrams, problems of constructing the epsilon-expansion and the analytic continuation of the results are studied. In some examples, an arbitrary term of the epsilon-expansion can be calculated. For more complicated cases, only a few higher terms in epsilo... | ['2000-12-21'] |
1,626 | ['eng'] | ['Castelo-Ferreira, P', 'Kogan, I I'] | ['Open and Unoriented Strings from Topological Membrane - I. Prolegomena'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model', 'gauge field theory, massive', 'field theory, topological', 'symmetry, discrete', 'orbifold', 'partition function', 'correlation function', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012188'] | ['We study the orbifold of Topological Membrane (TM), a Topological Massive Gauge Theory (TMGT), defined in $S^2\\times[0,1]$ and $T^2\\times[0,1]$. The orbifolding is constructed by gauging discrete symmetries of the bulk 3D field theory, namely $PCT/PT$ symmetries. We consider several generalized definitions of parit... | ['2000-12-21'] |
1,627 | ['eng'] | ['Saharian, A A'] | ['Scalar Casimir effect for D-dimensional spherically symmetric Robin boundaries'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'field theory, scalar', 'massive', 'tensor, energy-momentum', 'any-dimensional', 'energy, density', 'asymptotic behavior', 'regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012185'] | ['The vacuum expectation values for the energy-momentum tensor of a massive scalar field with general curvature coupling and obeying Robin boundary condition on spherically symmetric boundaries in D-dimensional space are investigated. The expressions are derived for the regularized vacuum energy density, radial and azi... | ['2000-12-21'] |
1,628 | ['eng'] | ['Kluson, J'] | ['Matrix model and noncommutative Chern-Simons theory'] | ['Particle Physics - Theory'] | ['matrix model, topological', 'Chern-Simons term', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012184'] | ['In this short paper we would like to present a simple topological matrix model which has close relation with the noncommutative Chern-Simons theory.'] | ['2000-12-21'] |
1,629 | ['eng'] | ['Danielsson, U H', 'Guijosa, A', 'Kruczenski, M'] | ['Newtonian Gravitons and D-brane Collective Coordinates in Wound String Theory'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'gravitation', 'dimension, 10', 'supergravity', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012183'] | ['Recently it was shown that NCOS theories are part of a ten-dimensional theory known as Non-relativistic Wound string theory. We clarify the sense in which gravity is present in this theory. We show that Wound string theory contains exceptional unwound strings, including a graviton, which mediate the previously discov... | ['2000-12-21'] |
1,630 | ['eng'] | ['Ito, K', 'Naganuma, M', 'Oda, H', 'Sakai, N'] | ['An Exact Solution of BPS Junctions and Its Properties'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'gauge field theory, U(1) x U(1)', 'supersymmetry, representation', 'domain wall, BPS', 'Goldstone particle, wave function', 'central charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012182', 'http://documents.cern.ch/archive/electronic/other/uploader/SUSY2K/sakai.ps.gz'] | ['We have obtained an exact solution for the BPS domain wall junction for a N=1 supersymmetric theory in four dimensions and studied its properties. The model is a simplified version of the N=2 SU(2) gauge theory with N_f=1 broken to N}=1 by the mass of the adjoint chiral superfield. We define mode equations and demons... | ['2000-12-21'] |
1,631 | ['eng'] | ['Battistel, O A', 'Dallabona, G'] | ['Role of Ambiguities and Gauge Invariance in the Calculation of the Radiatively Induced Chern-Simons Shift in Extended Q.E.D.'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'invariance, gauge', 'violation, CPT', 'violation, Lorentz', 'radiative correction', 'vacuum polarization', 'Chern-Simons term', 'Ward identity', 'anomaly', 'Feynman graph'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012181'] | ['We investigate the possibility of Lorentz and CPT violations in the photon sector, of the Chern-Simons form, be induced by radiative corrections arising from the Lorentz and CPT non-invariant fermionic sector of an extended version of QED. By analyzing the modified vacuum polarization tensor, three contributions are ... | ['2000-12-21'] |
1,632 | ['eng'] | ['Berglund, P', 'Minic, D', 'Hübsch, T'] | ['On Relativistic Brane Probes in Singular Spacetimes'] | ['Particle Physics - Theory'] | ['membrane model, relativistic', 'energy', 'approximation, quasiclassical', 'Born-Infeld model', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012180'] | ['We study the relativistic dynamics of brane probes in singular warped spacetimes and establish limits for such analysis. The behavior of the semiclassical brane probe wave functions implies that unitarity boundary conditions can be imposed at the singularity.'] | ['2000-12-21'] |
1,633 | ['eng'] | ['Hori, K'] | ['Linear Models of Supersymmetric D-Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supersymmetry', 'model, linear', 'superspace', 'gauge field theory', 'membrane model, mirror', 'Landau-Ginzburg model', 'boundary condition', 'renormalization', 'anomaly', 'sigma model', 'tachyon, condensation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012179'] | ['We construct a class of supersymmetric boundary interactions in N=2 field theories on the half-space, which depend on parameters that are not at all renormalized or not renormalized in perturbation theory beyond one-loop. This can be used to study D-branes wrapped on a certain class of Lagrangian submanifolds as well... | ['2000-12-20'] |
1,634 | ['eng'] | ['Gauntlett, J P', 'Tong, D', 'Townsend, P K'] | ['Multi-Domain Walls in Massive Supersymmetric Sigma-Models'] | ['Particle Physics - Theory'] | ['sigma model, massive', 'supersymmetry', 'domain wall', 'kink, moduli space', 'vacuum state', 'Bogomolnyi equation', 'kink, BPS', 'space, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012178'] | ['Massive maximally-supersymmetric sigma models are shown to exhibit multiple static kink-domain wall solutions that preserve 1/2 of the supersymmetry. The kink moduli space admits a natural Kahler metric. We examine in some detail the case when the target of the sigma model is given by the co-tangent bundle of CP^n eq... | ['2000-12-20'] |
1,635 | ['eng'] | ['Deotto, E', 'Gozzi, E'] | ['On the "Universal" N=2 Supersymmetry of Classical Mechanics'] | ['Particle Physics - Theory'] | ['mechanics, classical', 'supersymmetry', 'path integral', 'charge', 'geometry', 'invariance, local', 'invariance, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012177'] | ['In this paper we continue the study of the geometrical features of a functional approach to classical mechanics proposed some time ago. In particular we try to shed some light on a N=2 "universal" supersymmetry which seems to have an interesting interplay with the concept of ergodicity of the system. To study the geo... | ['2000-12-20'] |
1,636 | ['eng'] | ['Ferreira, L A', 'Razumov, A V'] | ['Hopf solitons and area preserving diffeomorphisms of the sphere'] | ['Particle Physics - Theory'] | ['soliton, Hopf', 'diffeomorphism', 'current, conservation law', 'charge, algebra', 'space, sphere'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012176'] | ['We consider a (3+1)-dimensional local field theory defined on the sphere. The model possesses exact soliton solutions with non trivial Hopf topological charges, and infinite number of local conserved currents. We show that the Poisson bracket algebra of the corresponding charges is isomorphic to that of the area pres... | ['2000-12-20'] |
1,637 | ['eng'] | ['Chaichian, Masud', 'Demichev, A P', 'Presnajder, P', 'Sheikh-Jabbari, S', 'Tureanu, A'] | ['Aharonov-Bohm Effect in Noncommutative Spaces'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'space, noncommutative', 'quantum mechanics', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012175'] | ['The Aharonov-Bohm effect on the noncommutative plane is considered. Developing the path integral formulation of quantum mechanics, we find the propagation amplitude for a particle in a noncommutative space. We show that the corresponding shift in the phase of the particle propagator due to the magnetic field of a thi... | ['2000-12-20'] |
1,638 | ['eng'] | ['Chen, W F', 'Leibbrandt, G'] | ['Vector Supersymmetry and Finite Quantum Correction of Chern-Simons Theory in the Light-Cone Gauge'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'gauge field theory, SU(N)', 'supersymmetry, vector', 'light cone gauge', 'quantization, correction', 'invariance, Becchi-Rouet-Stora', 'regularization', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012173'] | ['Vector supersymmetry is shown to exist also in light-cone gauge Chern-Simons theory. Using a gauge invariant regularization scheme, we demonstrate explicitly that the finite quantum correction to the coupling constant of Chern-Simons theory is intimately associated with the breaking of vector supersymmetry at the reg... | ['2000-12-20'] |
1,639 | ['eng'] | ['Damour, Thibault Marie Alban Guillaume', 'Henneaux, M'] | ['E_(10), BE_(10) and Arithmetical Chaos in Superstring Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'supersymmetry', 'chaos', 'space-time', 'dilaton', 'vacuum state', 'group theory, Coxeter', 'algebra, E(10)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012172'] | ["It is shown that the never ending oscillatory behaviour of the generic solution, near a cosmological singularity, of the massless bosonic sector of superstring theory can be described as a billiard motion within a simplex in 9-dimensional hyperbolic space. The Coxeter group of reflections of this billiard is discrete... | ['2000-12-20'] |
1,640 | ['eng'] | ['Ruiz, F R'] | ['Gauge-fixing independence of IR divergences in non-commutative U(1), perturbative tachyonic instabilities and supersymmetry'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1))', 'gauge field theory, noncommutative', 'gauge fixing', 'infrared problem', 'tachyon, stability', 'vacuum polarization', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012171'] | ['It is argued that the quadratic and linear non-commutative IR divergences that occur in U(1) theory on non-commutative Minkowski spacetime for small non-commutativity matrices $\\theta^{\\mu\\nu}$ are gauge-fixing independent. This implies in particular that the perturbative tachyonic instability produced by the quad... | ['2000-12-20'] |
1,641 | ['eng'] | ['Bertolini, M', 'Lerda, A'] | ['Stable non-BPS D-branes and their classical description'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'talk, Rome 2000/07/02', 'membrane model, D-brane', 'string model', 'stability', 'D-particle', 'supergravity', 'orbifold'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012169'] | ['We review how to describe the stable non-BPS D-branes of type II string theory from a classical perspective, and discuss the properties of the space-time geometry associated to these configurations. This is relevant in order to see whether and how the gauge/gravity correspondence can be formulated in non-conformal an... | ['2000-12-20'] |
1,642 | ['eng'] | ['Sezgin, E', 'Sundell, P'] | ['On Curvature Expansion of Higher Spin Gauge Theory'] | ['Particle Physics - Theory'] | ['talk, Istanbul 2000/06/19', 'gauge field theory', 'spin, high', 'gravitation, anti-de Sitter', 'group theory, representation', 'constraint', 'singleton', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012168'] | ['We examine the curvature expansion of a the field equations of a four-dimensional higher spin gauge theory extension of anti-de Sitter gravity. The theory contains massless particles of spin 0,2,4,... that arise in the symmetric product of two spin 0 singletons. We cast the curvature expansion into manifestly covaria... | ['2000-12-20'] |
1,643 | ['eng'] | ['Frau, M', 'Gallot, Laurent', 'Lerda, A', 'Strigazzi, P'] | ['D-branes in type I string theory'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'membrane model, D-brane', 'string model', 'D-particle, interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012167'] | ['We review the boundary state description of D-branes in type I string theory and show that the only stable non-BPS configurations are the D-particle and the D-instanton. We also compute the gauge and gravitational interactions of the non-BPS D-particles and compare them with the interactions of the dual non-BPS state... | ['2000-12-20'] |
1,644 | ['eng'] | ['Salcedo, L L'] | ['Derivative expansion for the effective action of chiral gauge fermions. The normal parity component'] | ['Particle Physics - Theory'] | ['fermion, chiral', 'gauge field theory', 'effective action', 'expansion, derivative', 'operator, Dirac', 'anomaly, chiral', 'anomaly, scaling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012166'] | ['Explicit exact formulas are presented, up to fourth order in a chiral covariant derivative expansion, for the normal parity component of the Euclidean effective action of even-dimensional Dirac fermions. The bosonic background fields considered are scalar, pseudo-scalar, vector and axial vector. No assumptions are ma... | ['2000-12-20'] |
1,645 | ['eng'] | ['Moon, S H', 'Rey, S J', 'Kim, Y B'] | ['Global p-Brane World'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'black hole', 'gravitation, higher-dimensional', 'horizon', 'mass, hierarchy', 'charge, topological', 'astrophysics, fundamental constant', 'Randall-Sundrum model', 'radiation, Hawking', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012165'] | ['We find a class of extremal black hole-like global p-brane in higher-dimensional gravity with a negative cosmological constant. The region inside the p-brane horizon possesses all essential features required for the Randall-Sundrum-type brane world scenario. The set-up allows to interpret the horizon size as the comp... | ['2000-12-20'] |
1,646 | ['eng'] | ['Fredenhagen, Stefan', 'Schomerus, V'] | ['Branes on Group Manifolds, Gluon Condensates, and twisted K-theory'] | ['Particle Physics - Theory'] | ['membrane model', 'gluon, condensation', 'K-theory', 'field theory, conformal', 'space, fuzzy', 'space, noncommutative', 'supersymmetry', 'charge, conservation law', 'string model', 'group theory', 'bound state', 'Wess-Zumino-Witten model', 'symmetry, SU(N)', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012164'] | ["In this work we study the dynamics of branes on group manifolds G deep in the stringy regime. After giving a brief overview of the various branes that can be constructed within the boundary conformal field theory approach, we analyze in detail the condensation processes that occur on stacks of such branes. At large v... | ['2000-12-19'] |
1,647 | ['eng'] | ['Bagger, Jonathan A', 'Nemeschansky, D D', 'Zhang, R J'] | ['Supersymmetric Radion in the Randall-Sundrum Scenario'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'radion, multiplet', 'supersymmetry', 'effective action', 'dimension, 5', 'supergravity', 'zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012163'] | ['We derive the effective action for the radion supermultiplet in the supersymmetric Randall-Sundrum model with two opposite tension branes.'] | ['2000-12-19'] |
1,648 | ['eng'] | ['Oehme, Reinhard'] | ['Reduction of Coupling Parameters in Quantum Field Theories'] | ['Particle Physics - Theory'] | ['coupling', 'renormalization group', 'supersymmetry', 'coupling, Yukawa', 'gauge field theory, SU(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012162'] | ['A concise survey is given of the general method of reduction in the number of coupling parameters. Theories with several independent couplings are related to a set of theories with a single coupling. The reduced theories may or may not have particular symmetries. A few have asymptotic power series expansions, others ... | ['2000-12-19'] |
1,649 | ['eng'] | ['Oxman, L E', 'Barci, D G', 'Mucciolo, E R'] | ['Universal Properties in Low Dimensional Fermionic Systems and Bosonization'] | ['Particle Physics - Theory'] | ['talk, Lisbon 2000/10/08', 'fermion, Dirac', 'current, bosonization', 'liquid', 'transition, adiabatic', 'dimension, 1', 'dimension, 2', 'symmetry, chiral', 'topology', 'Hall effect'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012161'] | ['We analyze the universal transport behavior in 1D and 2D fermionic systems by following the unified framework provided by bosonization. The role played by the adiabatic transition between interacting and noninteracting regions is emphasized.'] | ['2000-12-19'] |
1,650 | ['eng'] | ['Dolezel, T'] | ['On junction conditions in gravity theories with higher curvature terms'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/07/02', 'gravitation', 'Randall-Sundrum model', 'Gauss-Bonnet term', 'symmetry, Z(2)', 'membrane model', 'space-time, anti-de Sitter', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012160'] | ["We discuss the junction conditions in the context of the Randall-Sundrum model with the Gauss-Bonnet interaction. We consider the $Z_2$ symmetric model where the brane is embedded in an $AdS_5$ bulk, as well as a model without $Z_2$ symmetry in which the brane (in this case called by tradition ``shell'') separates tw... | ['2000-12-19'] |
1,651 | ['eng'] | ['Merlatti, P'] | ['M -theory on AdS_4 x Q^{111}'] | ['Particle Physics - Theory'] | ['M-theory', 'supergravity', 'dimension, 11', 'field theory, conformal', 'operator, composite', 'analysis, harmonic', 'differential geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012159'] | ['In this paper by means of harmonic analysis we derive the complete spectrum of Osp(2|4) x SU(2) x SU(2) x SU(2) multiplets that one obtains compactifying D=11 supergravity on the homogeneous space Q^{111}. In particular we analyze the structure of the short multiplets and compare them with the corresponding composite... | ['2000-12-19'] |
1,652 | ['eng'] | ['Blumenhagen, R', 'Braun, V M', 'Helling, R'] | ['Bound States of D(2p)-D0 Systems and Supersymmetric p-Cycles'] | ['Particle Physics - Theory'] | ['membrane model', 'bound state', 'supersymmetry', 'flux, magnetic', 'tachyon, condensation', 'T-duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012157'] | ['We discuss some issues related to D(2p)-D0 branes with background magnetic fluxes respectively, in a T-dual picture, Dp-Dp branes at angles. In particular, we describe the nature of the supersymmetric bound states appearing after tachyon condensation. We present a very elementary derivation of the conditions to be sa... | ['2000-12-19'] |
1,653 | ['eng'] | ['Blumenhagen, R', 'Körs, B', 'Lüst, Dieter'] | ['Type I Strings with F- and B-Flux'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification, torus', 'differential forms', 'flux, magnetic', 'fermion, chiral', 'orbifold', 'T-duality', 'membrane model', 'symmetry, left-right', 'tadpole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012156'] | ['We present non-supersymmetric toroidal compactifications of type I string theory with both constant background NSNS two-form flux and non-trivial magnetic flux on the various D9-branes. The non-vanishing B-flux admits four-dimensional models with three generations of chiral fermions in standard model like gauge group... | ['2000-12-19'] |
1,654 | ['eng'] | ['Gubser, S S', 'Rangamani, M'] | ['D-brane Dynamics and the Quantum Hall Effect'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'Hall effect', 'charged particle, interaction', 'scaling', 'string model', 'gauge field theory', 'Chern-Simons term', 'potential', 'ground state, crystal', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012155'] | ['We study the recently proposed D-brane configuration [hep-th/0010105] modeling the quantum Hall effect, focusing on the nature of the interactions between the charged particles. Our analysis indicates that the interaction is repulsive, which it should be for the ground state of the system to behave as a quantum Hall ... | ['2000-12-19'] |
1,655 | ['eng'] | ['Elizalde, E'] | ['Explicit Zeta Functions for Bosonic and Fermionic Fields on a Noncommutative Toroidal Spacetime'] | ['Particle Physics - Theory'] | ['space-time, noncommutative', 'space-time, torus', 'zeta function, analytic properties', 'field theory, scalar', 'field theory, vector'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012154'] | ['Explicit formulas for the zeta functions $\\zeta_\\alpha (s)$ corresponding to bosonic ($\\alpha =2$) and to fermionic ($\\alpha =3$) quantum fields living on a noncommutative, partially toroidal spacetime are derived. They provide the analytical continuation of the zeta functions in question to the whole complex $s-... | ['2000-12-19'] |
1,656 | ['eng'] | ['Hoffmann, L', 'Mesref, L', 'Rühl, Werner'] | ['Conformal partial wave analysis of AdS amplitudes for dilaton-axion four-point functions'] | ['Particle Physics - Theory'] | ['dilaton', 'axion', 'space-time, anti-de Sitter', 'n-point function, 4', 'operator product expansion', 'partial wave analysis, conformal', 'graviton, exchange', 'holography', 'functional analysis', 'coupling constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012153'] | ['Operator product expansions are applied to dilaton-axion four-point functions. In the expansions of the bilocal fields $\\tilde{\\Phi}\\tilde{\\Phi}$, $\\tilde{C}\\tilde{C}$ and $\\tilde{\\Phi}\\tilde{C}$, the conformal fields which are symmetric traceless tensors of rank $l$ and have dimensions $\\delta=2+l$ or $8+l... | ['2000-12-19'] |
1,657 | ['eng'] | ['Curio, G', 'Krause, A'] | ['Four-Flux and Warped Heterotic M-Theory Compactifications'] | ['Particle Physics - Theory'] | ['M-theory, heterotic', 'dimension, >4', 'spontaneous compactification, Calabi-Yau', 'orbifold', 'differential geometry', 'string model', 'torsion', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012152'] | ["In the framework of heterotic M-theory compactified on a Calabi-Yau threefold 'times' an interval, the relation between geometry and four-flux is derived {\\it beyond first order}. Besides the case with general flux which cannot be described by a warped geometry one is naturally led to consider two special types of f... | ['2000-12-19'] |
1,658 | ['eng'] | ['Fujii, A', 'Itoyama, H'] | ['Behavior of Boundary String Field Theory Associated with Integrable Massless Flow'] | ['Particle Physics - Theory'] | ['field theory, string', 'thermodynamics, Bethe ansatz', 'tachyon, energy', 'entropy', 'tachyon, condensation', 'renormalization group', 'sine-Gordon model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012150'] | ['We put forward an idea that the boundary entropy associated with integrable massless flow of thermodynamic Bethe ansatz (TBA) is identified with tachyon action of boundary string field theory. We show that the temperature parameterizing a massless flow in the TBA formalism can be identified with tachyon energy for th... | ['2000-12-19'] |
1,659 | ['eng'] | ['Moghimi-Araghi, S', 'Rouhani, S', 'Saadat, M'] | ['Current Algebra Associated with Logarithmic Conformal Field Theories'] | ['Particle Physics - Theory'] | ['current algebra', 'field theory, conformal', 'operator product expansion', 'tensor, energy-momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012149'] | ['We propose a general frame work for deriving the OPEs within a logarithmic conformal field theory (LCFT). This naturally leads to the emergence of a logarithmic partner of the energy momentum tensor within an LCFT, and implies that the current algebra associated with an LCFT is expanded. We derive this algebra for a ... | ['2000-12-19'] |
1,660 | ['eng'] | ['Arkani-Hamed, N', 'Porrati, Massimo', 'Randall, L'] | ['Holography and Phenomenology'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'field theory, conformal', 'perturbation theory, higher-order', 'renormalization', 'holography', 'effective action', 'quantum gravity', 'propagator', 'inflationary universe', 'black hole', 'Randall-Sundrum model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012148'] | ['We examine various aspects of the conjectured duality between warped AdS$_5$ geometries with boundary branes and strongly coupled (broken) conformal field theories coupled to dynamical gravity. We also examine compactifications with 5-d gauge fields, in which case the holographic dual is a broken CFT weakly coupled t... | ['2000-12-19'] |
1,661 | ['eng'] | ['Faber, M', 'Ivanov, A N', 'Troitskaya, N I'] | ['On the evaluation of the evolution operator Z_Reg(R_2,R_1) in the Diakonov-Petrov approach to the Wilson loop'] | ['Particle Physics - Theory'] | ['gauge field theory, nonabelian', 'Wilson loop', 'path integral, measure'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012147'] | ['We evaluate the evolution operator Z_Reg(R_2,R_1) introduced by Diakonov and Petrov for the definition of the Wilson loop in terms of a path integral over gauge degrees of freedom. We use the procedure suggested by Diakonov and Petrov (Phys. Lett. B224 (1989) 131) and show that the evolution operator vanishes.'] | ['2000-12-19'] |
1,662 | ['eng'] | ['Broadhurst, D J', 'Kreimer, D'] | ['Exact solutions of Dyson-Schwinger equations for iterated one-loop integrals and propagator-coupling duality'] | ['Particle Physics - Theory'] | ['phi**n model, 3', 'fermion', 'coupling, Yukawa', 'propagator', 'perturbation theory, higher-order', 'Dyson-Schwinger equation, solution', 'duality', 'algebra, Hopf', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012146'] | ['The Hopf algebra of undecorated rooted trees has tamed the combinatorics of perturbative contributions, to anomalous dimensions in Yukawa theory and scalar $\\phi^3$ theory, from all nestings and chainings of a primitive self-energy subdivergence. Here we formulate the nonperturbative problems which these resummation... | ['2000-12-19'] |
1,663 | ['eng'] | ['Konechny, A', 'Schwarz, A'] | ['Introduction to M(atrix) theory and noncommutative geometry'] | ['Particle Physics - Theory'] | ['review', 'M-theory', 'matrix model', 'gauge field theory, Yang-Mills', 'spontaneous compactification', 'differential geometry, noncommutative', 'K-theory', 'torus', 'topology', 'soliton, BPS', 'instanton', 'orbifold', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012145'] | ['We give a mostly self-contained review of some aspects of M(atrix) theory and noncommutative geometry. The topics include introduction to BFSS and IKKT matrix models, compactifications on noncommutative tori, a review of basic notions of noncommutative geometry with a detailed discussion of noncommutative tori, Morit... | ['2000-12-19'] |
1,664 | ['eng'] | ['Toublan, D', 'Verbaarschot, J J M'] | ['Statistical properties of the spectrum of the QCD Dirac operator at low energy'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'operator, spectra', 'fluctuation', 'quantum chromodynamics', 'perturbation theory, chiral', 'two-point function', 'Goldstone particle', 'susceptibility, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012144'] | ['We analyze the statistical properties of the spectrum of the QCD Dirac operator at low energy in a finite box of volume $L^4$ by means of partially quenched Chiral Perturbation Theory (pqChPT), a low-energy effective field theory based on the symmetries of QCD. We derive the two-point spectral correlation function fr... | ['2000-12-19'] |
1,665 | ['eng'] | ['Csáki, C', 'Erlich, J', 'Grojean, C'] | ['Gravitational Lorentz Violations and Adjustment of the Cosmological Constant in Asymmetrically Warped Spacetimes'] | ['Particle Physics - Theory'] | ['gravitation', 'symmetry breaking, Lorentz', 'astrophysics, fundamental constant', 'space-time', 'black hole, horizon', 'Randall-Sundrum model', 'membrane model', 'astrophysics, expansion', 'gravitational radiation, velocity', 'graviton, zero mode', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012143'] | ["We investigate spacetimes in which the speed of light along flat 4D sections varies over the extra dimensions due to different warp factors for the space and the time coordinates (``asymmetrically warped'' spacetimes). The main property of such spaces is that while the induced metric is flat, implying Lorentz invaria... | ['2000-12-19'] |
1,666 | ['eng'] | ['Harmark, T'] | ['Open Branes and Little Strings'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'membrane model', 'string model', 'bound state', 'dimension, 6', 'supergravity', 'thermodynamics', 'critical phenomena', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012142'] | ['This is a short review of the newly discovered ODp-theories that are non-gravitational six-dimensional theories defined as the decoupling limit of NS5-branes in the presence of a near-critical (p+1)-form RR fields. We discuss the motivation for these new theories, their definitions and properties, and their relation ... | ['2000-12-18'] |
1,667 | ['eng'] | ['Park, J S'] | ['Topological Open P-Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane, open', 'field theory, topological', 'quantization, Batalin-Vilkovisky', 'differential forms', 'cohomology, Becchi-Rouet-Stora', 'boundary condition', 'algebra, deformation', 'symmetry, universe', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012141'] | ["By exploiting the BV quantization of topological bosonic open membrane, we argue that flat 3-form C-field leads to deformations of the algebras of multi-vectors on the Dirichlet-brane world-volume as 2-algebras. This would shed some new light on geometry of M-theory 5-brane and associated decoupled theories. We show ... | ['2000-12-18'] |
1,668 | ['eng'] | ['Balbinot, R', 'Fabbri, A'] | ['2D black holes and effective actions'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 2', 'effective action', 'field theory, scalar', 'coupling, conformal', 'tensor, energy-momentum', 'quantization', 'dilaton', 'dimension, 4', 'dimensional reduction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012140'] | ["We compare the canonical quantization and the effective action method to derive expectation values of the stress energy tensor for scalar fields conformally coupled to a 2D Schwarzschild black hole spacetime. Disagreement of the results may be reconduced to the incomplete knowledge of the effective action. Appropriat... | ['2000-12-18'] |
1,669 | ['eng'] | ['Deger, S', 'Kaya, A', 'Sezgin, E', 'Sundell, P', 'Tanii, Y'] | ['2,0 Chern-Simons Supergravity Plus Matter Near the Boundary of $AdS_{3}$'] | ['Particle Physics - Theory'] | ['supergravity', 'Chern-Simons term', 'space-time, anti-de Sitter', 'dimension, 3', 'boundary condition', 'sigma model', 'multiplet, scalar', 'matter, coupling', 'field theory, conformal', 'boundary condition', 'field equations, linear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012139'] | ['We examine the boundary behaviour of the gauged N=(2,0) supergravity in D=3 coupled to an arbitrary number of scalar supermultiplets which parametrize a Kahler manifold. In addition to the gravitational coupling constant, the model depends on two parameters, namely the cosmological constant and the size of the Kahler... | ['2000-12-18'] |
1,670 | ['eng'] | ['Deminov, M M', 'Slavnov, A A'] | ['A practical gauge invariant regularization of the SO(10) grand unified model'] | ['Particle Physics - Theory'] | ['grand unified theory, SO(10)', 'regularization, dimensional', 'invariance, gauge', 'gauge field theory, SU(3) x SU(2) x U(1)', 'field theory, Higgs', 'symmetry, spontaneously broken', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012138'] | ['It is shown that a simple modification of the dimensional regularization allows to compute in a consistent and gauge invariant way any diagram with less than four loops in the SO(10) unified model. The method applies also to the Standard Model generated by the symmetry breaking $SO(10) \\to SU(3)\\times SU(2)\\times ... | ['2000-12-18'] |
1,671 | ['eng'] | ['Lozano, Y'] | ['Non-commutative Branes from M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'Kaluza-Klein model', 'effective action', 'magnetic monopole', 'differential geometry, noncommutative', 'duality', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012137'] | ['The analysis of the worldvolume effective actions of the M-theory Kaluza-Klein monopole and 9-brane suggests that it should be possible to describe non-abelian configurations of M2-branes or M5-branes if the M2-branes are transverse to the eleventh direction and the M5-branes are wrapped on it. This is determined by ... | ['2000-12-18'] |
1,672 | ['eng'] | ['Sinha, S', 'Vafa, C'] | ['SO and Sp Chern-Simons at Large N'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'Chern-Simons term', 'partition function', 'duality', 'expansion 1/N'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012136'] | ['We study the large N limit of SO(N) and Sp(N) Chern-Simons gauge theory on S^3 and identify its closed string dual as topological strings on an orientifold of the small resolution of the conifold. Applications to large N dualities for N=1 supersymmetric gauge systems in 4 dimensions are also discussed.'] | ['2000-12-18'] |
1,673 | ['eng'] | ['Gregory, J P', 'Ross, S F'] | ['Looking for event horizons using UV/IR relations'] | ['Particle Physics - Theory'] | ['space-time, causality', 'black hole', 'space-time, anti-de Sitter', 'field theory, conformal', 'horizon', 'Wilson loop', 'supergravity', 'gauge field theory', 'propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012135'] | ['A primary goal in holographic theories of gravity is to study the causal structure of spacetime from the field theory point of view. This is a particularly difficult problem when the spacetime has a non-trivial causal structure, such as a black hole. We attempt to study causality through the UV/IR relation between fi... | ['2000-12-18'] |
1,674 | ['eng'] | ['Vagenas, E C'] | ['Are Extremal 2D Black Holes Really Frozen ?'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 2', 'geometry', 'radiation, Hawking', 'tunneling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012134'] | ['In the standard methodology for evaluating the Hawking radiation emanating from a black hole, the background geometry is fixed. Trying to be more realistic we consider a dynamical geometry for a two-dimensional charged black hole and we evaluate the Hawking radiation as tunneling process. This modification to the geo... | ['2000-12-18'] |
1,675 | ['eng'] | ['Hoevenaars, L K', 'Kersten, P H M', 'Martini, R'] | ['Generalized WDVV equations for F4 pure N=2 Super-Yang-Mills theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'differential forms', 'algebra, F(4)', 'prepotential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012133'] | ['An associative algebra of holomorphic differential forms is constructed associated with pure N=2 Super-Yang-Mills theory for the Lie algebra F4. Existence and associativity of this algebra, combined with the general arguments in the work of Marshakov, Mironov and Morozov, proves that the prepotential of this theory s... | ['2000-12-18'] |
1,676 | ['eng'] | ['Kodama, H'] | ['Behavior of Cosmological Perturbations in the Brane-World Mode'] | ['Particle Physics - Theory'] | ['talk, Verbier 2000/07/17', 'membrane model', 'astrophysics, perturbation', 'space-time, anti-de Sitter', 'perturbation, scalar', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012132'] | ['In this paper we present a gauge-invariant formalism for perturbations of the brane-world model developed by the author, A. Ishibashi and O. Seto recently, and analyze the behavior of cosmological perturbations in a spatially flat expanding universe realized as a boundary 3-brane in AdS$^5$ in terms of this formalism... | ['2000-12-18'] |
1,677 | ['eng'] | ['Belhaj, A', 'Saidi, E H'] | ['Toric Geometry, Enhanced non Simply laced Gauge Symmetries in Superstrings and F-theory Compactifications'] | ['Particle Physics - Theory'] | ['F-theory', 'string model', 'supersymmetry', 'field theory, torus', 'spontaneous compactification', 'algebra', 'field equations, solution', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012131'] | ['We study the geometric engineering of supersymmetric quantum field theories (QFT), with non simply laced gauge groups, obtained from superstring and F-theory compactifications on local Calabi-Yau manifolds. First we review the main lines of the toric method for ALE spaces with ADE singularities which we extend to non... | ['2000-12-18'] |
1,678 | ['eng'] | ['Flanagan, E E', 'Jones, N', 'Stoica, H', 'Tye, S H Henry', 'Wasserman, I M'] | ['A Brane World Perspective on the Cosmological Constant and the Hierarchy Problems'] | ['Particle Physics - Theory'] | ['membrane model', 'astrophysics, fundamental constant', 'Randall-Sundrum model', 'dimension, 5', 'dimension, 4', 'mass, hierarchy', 'effective action', 'particle, horizon', 'Einstein equation, solution', 'orbifold', 'Hubble constant', 'gravitation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012129'] | ["We elaborate on the recently proposed static brane world scenario, where the effective 4-D cosmological constant is exponentially small when parallel 3-branes are far apart. We extend this result to a compactified model with two positive tension branes. Besides an exponentially small effective 4-D cosmological consta... | ['2000-12-15'] |
1,679 | ['eng'] | ['Kogan, I I', 'Polyakov, D G'] | ['World Sheet Logarithmic CFT in AdS Strings, Ghost-Matter Mixing and M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'string model', 'supersymmetry', 'field theory, conformal', 'invariance, Becchi-Rouet-Stora', 'operator product expansion', 'operator, vertex'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012128'] | ['We discuss several closely related concepts in the NSR formulation of superstring theory. We demonstrated that recently proposed NSR model for superstrings on $AdS_5 \\times S^5$ is described by the world-sheet logarithmic conformal field theory (LCFT). The origin of LCFT on a world-sheet is closely connected to the ... | ['2000-12-15'] |
1,680 | ['eng'] | ['Hall, R L', 'Lucha, W', 'Schöberl, F F'] | ['Energy bounds for the spinless Salpeter equation'] | ['Particle Physics - Theory'] | ['Salpeter equation, spinless', 'oscillator', 'bound state, energy levels', 'approximation, quasiclassical'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012127'] | ['We study the eigenvalues E_{n\\ell} of the Salpeter Hamiltonian H = \\beta\\sqrt(m^2 + p^2) + vr^2, v>0, \\beta > 0, in three dimensions. By using geometrical arguments we show that, for suitable values of P, here provided, the simple semi-classical formula E = min_{r > 0} {v(P/r)^2 + \\beta\\sqrt(m^2 + r^2)} provide... | ['2000-12-15'] |
1,681 | ['eng'] | ['Pitanga, P'] | ['The Heavy Dirac Monopole'] | ['Particle Physics - Theory'] | ['magnetic monopole', 'model, strong coupling', 'bound state', 'gauge field theory, SU(2) x U(1)', 'group theory', 'potential', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012126'] | ['We present a model for the Dirac magnetic monopole, suitable for the strong coupling regime. The magnetic monopole is static, has charge g and mass M, occupying a volume of radius R ~ O (g^2/M). It is shown that inside each n-monopole there exist infinite multipoles. It is given an analytical proof of the existence o... | ['2000-12-15'] |
1,682 | ['eng'] | ['Bakas, Ioannis', 'Sfetsos, K'] | ['Gravitational domain walls and p-brane distributions'] | ['Particle Physics - Theory'] | ['talk, Ioannina 2000/08/28', 'talk, Berlin 2000/10/04', 'supergravity', 'domain wall', 'coset space', 'membrane model', 'duality', 'gauge field theory', 'dimension, 4', 'dimension, 5', 'dimension, 7'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012125'] | ['We review the main algebraic aspects that characterize and determine the domain wall solutions of maximal gauged supergravity in various spacetime dimensions by considering consistent truncations that retain a number of components in the diagonal of the coset space scalar manifold of the theory. Starting from the alg... | ['2000-12-15'] |
1,683 | ['eng'] | ['Scrucca, Claudio A', 'Serone, M'] | ['Target-space anomalies and elliptic indices in heterotic orbifolds'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'orbifold, Z(N)', 'anomaly', 'charge, topological', 'operator, vertex', 'particle, multiplet', 'determinant, chiral', 'torsion', 'partition function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012124'] | ['We present a complete string theory analysis of all mixed gauge, gravitational and target-space anomalies potentially arising in the simplest heterotic Z_N orbifold models, with N odd and standard embedding. These anomalies turn out to be encoded in an elliptic index, which can be easily computed; they are found to c... | ['2000-12-15'] |
1,684 | ['eng'] | ['Majid, S', 'Raineri, E'] | ['Large Electromagnetism and Gauge Theory on the Permutation Group $S_{3}$'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'space, S(3)', 'differential geometry, noncommutative', 'differential forms', 'fermion', 'cohomology', 'quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012123'] | ["Using noncommutative geometry we do U(1) gauge theory on the permutation group $S_3$. Unlike usual lattice gauge theories the use of a nonAbelian group here as spacetime corresponds to a background Riemannian curvature. In this background we solve spin 0, 1/2 and spin 1 equations of motion, including the spin 1 or `p... | ['2000-12-15'] |
1,685 | ['eng'] | ['Konishi, K I'] | ['Renormalization Group and Dynamics of Supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'gauge field theory, Yang-Mills', 'supersymmetry', 'nonperturbative', 'renormalization group, beta function', 'confinement', 'symmetry, dynamically broken', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012122'] | ['We discuss questions related to renormalization group and to nonperturbative aspects of non-Abelian gauge theories with N=2 and/or N=1 supersymmetry. Results on perturbative and nonperturbative $\\beta$ functions of these theories are reviewed, and new mechanisms of confinement and dynamical symmetry breaking recentl... | ['2000-12-15'] |
1,686 | ['eng'] | ['Lambert, N D', 'West, Peter C'] | ['Goldstone-Soliton Interactions and Brane World Neutrinos'] | ['Particle Physics - Theory'] | ['Goldstone theorem', 'scattering, Goldstone particle soliton', 'membrane model', 'Skyrme model, SU(2)', 'supersymmetry, symmetry breaking', 'M-theory', 'neutrino'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012121'] | ['We discuss the interactions of Goldstone particles with solitonic states. We observe that, contrary to the familiar situation in the vacuum sector, the Goldstone particles can have non-derivative interactions with the solitons. This result is applied to brane physics and in particular leads to the possibility that ne... | ['2000-12-15'] |
1,687 | ['eng'] | ['Motavali, H'] | ['Exact Solutions for Cosmological Models with a Scalar Field'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'field theory, scalar', 'field theory, tensor', 'space-time, Robertson-Walker', 'symmetry, Noether', 'field equations, solution', 'coupling', 'potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012119'] | ['We consider the existence of a Noether symmetry in the scalar-tensor theory of gravity in flat Friedman Robertson Walker (FRW) cosmology. The forms of coupling function $\\omega(\\phi)$ and generic potential $V(\\phi)$ are obtained by requiring the existence of a Noether symmetry for such theory. We derive exact cosm... | ['2000-12-14'] |
1,688 | ['eng'] | ['Gava, E', 'Hammou, A B', 'Morales, J F', 'Narain, Kumar S'] | ['D1/D5 systems in ${\\cal N}=4$ string theories'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'field theory, conformal', 'membrane model, D-brane', 'membrane model, p-brane', 'orbifold', 'orientifold', 'partition function', 'coupling constant', 'geometry, algebra', 'perturbation theory, higher-order', 'bound state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012118'] | ['We propose CFT descriptions of the D1/D5 system in a class of freely acting Z_2 orbifolds/orientifolds of type IIB theory, with sixteen unbroken supercharges. The CFTs describing D1/D5 systems involve N=(4,4) or N=(4,0) sigma models on $(R^3\\times S^1\\times T^4\\times (T^4)^N/S_N)/Z_2$, where the action of Z_2 is d... | ['2000-12-14'] |
1,689 | ['eng'] | ['Argurio, R', 'Giveon, Amit', 'Shomer, A'] | ['String Theory on AdS_3 and Symmetric Products'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'string model', 'supersymmetry', 'field theory, anti-de Sitter', 'field theory, conformal', 'Wess-Zumino-Witten model, SU(2)', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012117'] | ['We consider string theory on a background of the form AdS_3 x N. Our aim is to give a description of the dual CFT in a general set up. With the requirement that we have N=2 supersymmetry in spacetime, we provide evidence that the dual CFT is in the moduli space of a certain symmetric product M^p/S_p. On the way to sh... | ['2000-12-14'] |
1,690 | ['eng'] | ['Dorca, M', 'De van Bruck, C'] | ['Cosmological Perturbations in Brane Worlds'] | ['Particle Physics - Theory'] | ['membrane model', 'astrophysics, perturbation', 'perturbation, scalar', 'transformation, gauge', 'dimension, 5', 'symmetry, Z(2)', 'Einstein equation', 'orbifold', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012116'] | ['Using a metric-based formalism to treat cosmological perturbations, we discuss the connection between anisotropic stress on the brane and brane bending. First we discuss gauge-transformations, and draw our attention to gauges, in which the brane-positions remain unperturbed. We provide a unique gauge, where perturbat... | ['2000-12-14'] |
1,691 | ['eng'] | ['Abreu, E M C', 'Neto, J A', 'Oliveira, W', 'Oliveira-Neto, G'] | ['Non-Abelian BFFT embedding, Schrödinger quantization and the anomaly of the O(N) nonlinear sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(N)', 'dimension, 2', 'gauge field theory, nonabelian', 'quantization, constraint', 'Hamiltonian formalism', 'anomaly', 'perturbation theory, higher-order', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012115'] | ['We embed the O(N) nonlinear sigma model in a non-Abelian gauge theory. As a first class system, it is quantized using two different approaches: the functional Schr\\"odinger method and the non-local field-antifield procedure. Firstly, the quantization is performed with the functional Schr\\"{o}dinger method, for N=2,... | ['2000-12-14'] |
1,692 | ['eng'] | ['Niederle, J', 'Zupnik, B M'] | ['Harmonic-Superspace Method Of Solving N=3 Super-Yang-Mills Equations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'superspace, harmonic', 'field equations, solution', 'coset space, SU(3)/U(1) x U(1)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012114'] | ['We analyze the superfield constraints of the D=4, N=3 SYM-theory using light-cone gauge conditions. The SU(3)/U(1) x U(1) harmonic variables are interpreted as auxiliary spectral parameters, and the transform to the harmonic-superspace representation is considered. The harmonic superfield equations of motion are dras... | ['2000-12-14'] |
1,693 | ['eng'] | ['Geyer, B', 'Mülsch, D'] | ['Superspace interpretation of mass-dependent BRST symmetries in general gauge theories'] | ['Particle Physics - Theory'] | ['talk, Sao Lourenco 2000/10/23', 'gauge field theory, Yang-Mills', 'supersymmetry, superspace', 'path integral', 'invariance, OSp(1,2)', 'invariance, Becchi-Rouet-Stora', 'transformation, conformal', 'mass, dependence'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012113'] | ['A superspace formulation is proposed for the osp(1,2)-covariant Lagrangian quantization of general massive gauge theories. Thereby, osp(1,2) is considered as subalgebra of the superalgebra sl(1,2) which is interpreted as conformal algebra acting on two anticommuting coordinates. The mass-dependent (anti)BRST symmetri... | ['2000-12-14'] |
1,694 | ['eng'] | ['Gerhold, A', 'Grimstrup, J', 'Grosse, Harald', 'Popp, L', 'Schweda, Manfred', 'Wulkenhaar, R'] | ['The energy-momentum tensor on noncommutative spaces'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'differential geometry, noncommutative', 'tensor, energy-momentum', 'current, conservation law', 'field theory, deformation', 'symmetry breaking, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012112'] | ['We present the discussion of the energy-momentum tensor of the scalar $\\phi^4$- theory on a noncommutative space. The Noether procedure is performed at the operator level. Additionally, the broken dilatation symmetry will be considered in a Moyal-Weyl deformed scalar field theory at the classical level.'] | ['2000-12-14'] |
1,695 | ['eng'] | ['Arnone, S', 'Chiantese, S', 'Yoshida, K'] | ['Applications of Exact Renormalization Group techniques to the non-perturbative study of supersymmetric gauge field theory'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'path integral', 'field theory, deformation', 'mass', 'renormalization group, transformation', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012111'] | ["Exact Renormalization Group techniques are applied to supersymmetric models in order to get some insights into the low energy effective actions of such theories. Starting from the ultra-violet finite mass deformed N=4 supersymmetric Yang-Mills theory, one varies the regularising mass and compensates for it by introdu... | ['2000-12-14'] |
1,696 | ['eng'] | ['Bergshoeff, E A', 'Kallosh, R', 'Van Proeyen, A'] | ['Supersymmetry of RS bulk and brane'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'talk, Kiev 2000/09/24', 'supergravity', 'dimension, 5', 'space-time, anti-de Sitter', 'membrane model', 'field equations, solution', 'soliton, BPS', 'domain wall', 'Randall-Sundrum model', 'supersymmetry', 'spinor, Killing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012110'] | ['We review the construction of actions with supersymmetry on spaces with a domain wall. The latter objects act as sources inducing a jump in the gauge coupling constant. Despite these singularities, supersymmetry can be formulated, maintaining its role as a square root of translations in this singular space. The setup... | ['2000-12-14'] |
1,697 | ['eng'] | ['Yu Fen Li'] | ['Triality and Quantization of Singularities in Massive Fermion'] | ['Particle Physics - Theory'] | ['fermion, massive', 'gauge field theory, U(1)', 'topology', 'mass generation', 'bosonization', 'triality', 'magnetic monopole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012109'] | ["It is proved that fermions can acquire the mass through the additional non-integrable exponential factor. For this propose the special vector potential associated with the spinor field was introduced. Such a vector potential has close relation with the triality property in Dirac spinors and plays crucial role in the ... | ['2000-12-14'] |
1,698 | ['eng'] | ['Park, D K', 'Tamaryan, S', 'Müller-Kirsten, H J W'] | ['The Stability of D2-Branes in the Presence of an RR field'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'Born-Infeld model', 'field equations, solution', 'energy', 'tension', 'stability', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012108'] | ['A Born-Infeld theory describing a D2-brane coupled to a 3-form RR potential is reconsidered in order to investigate the stability of its nonsingular solutions with finite energy. The condition of stability of the solutions is established and the stable solutions and their shape are determined.'] | ['2000-12-14'] |
1,699 | ['eng'] | ['Tetradis, N'] | ['The Exact Renormalization Group and First-Order Phase Transitions'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'renormalization group', 'critical phenomena', 'field theory, scalar', 'bubble, production', 'potential', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0012107'] | ['Studies of first-order phase transitions through the use of the exact renormalization group are reviewed. In the first part the emphasis is on universal aspects: We discuss the universal critical behaviour near weakly first-order phase transitions for a three-dimensional model of two coupled scalar fields -- the cubi... | ['2000-12-13'] |
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