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 |
|---|---|---|---|---|---|---|---|---|
200 | ['eng'] | ['Khuri, R R'] | ['Remarks on Black Hole Degrees of Freedom in String Theory'] | ['Particle Physics - Theory'] | ['string model', 'black hole, entropy', 'black hole, horizon', 'space-time, background', 'mean field approximation', 'random walk', 'black hole, Reissner-Nordstroem', 'velocity, low'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107092'] | ['The Bekenstein-Hawking black hole area entropy law suggests that the quantum degrees of freedom of black holes may be realized as projections of quantum states unto the event horizon of the black hole. In this paper, we provide further evidence for this interpretation in the context of string theory. In particular, w... | ['2001-07-12'] |
201 | ['eng'] | ['Pradisi, G', 'Riccioni, F'] | ['Geometric Couplings and Brane Supersymmetry Breaking'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'effective action', 'supersymmetry, symmetry breaking', 'orientifold', 'gravitino, coupling', 'Wess-Zumino term', 'Chern-Simons term', 'symmetry, USp(32)', 'coupling, geometrical', 'dimension, 10', 'dimension, 6', 'Goldstino', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107090'] | ["Orientifold vacua allow the simultaneous presence of supersymmetric bulks, with one or more gravitinos, and non-supersymmetric combinations of BPS branes. This ``brane supersymmetry breaking'' raises the issue of consistency for the resulting gravitino couplings, and Dudas and Mourad recently provided convincing argu... | ['2001-07-12'] |
202 | ['eng'] | ['Fursaev, D V'] | ['Statistical Mechanics, Gravity, and Euclidean Theory'] | ['Particle Physics - Theory'] | ['talk, Naples 2001/07/02', 'field theory, finite temperature', 'energy', 'gravitation, background field', 'gauge field theory, background field', 'Kaluza-Klein model', 'spectral representation', 'operator, heat kernel', 'asymptotic expansion', 'tensor, energy-momentum', 'space-time, Euclidean', 'electric field, extern... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107089'] | ['A review of computations of free energy for Gibbs states on stationary but not static gravitational and gauge backgrounds is given. On these backgrounds wave equations for free fields are reduced to eigen-value problems which depend non-linearly on the spectral parameter. We present a method to deal with such problem... | ['2001-07-12'] |
203 | ['eng'] | ['Kogan, I I', 'Mouslopoulos, S', 'Papazoglou, A', 'Ross, Graham G'] | ['Multigravity in six dimensions'] | ['Particle Physics - Theory'] | ['gravitation, model', 'dimension, 6', 'membrane model, tension', 'crystal', 'effective potential', 'conifold', 'angular momentum', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107086'] | ['We present a generalization of the five dimensional multigravity models to six dimensions. The key characteristic of these constructions is that that we obtain solutions which do not have any negative tension branes while at the same time the branes are kept flat. This is due to the fact that in six dimensions the in... | ['2001-07-12'] |
204 | ['eng'] | ['Eden, B U', 'Ferrara, Sergio', 'Sokatchev, Emery S'] | ['2,0 Superconformal OPEs in D=6, Selection Rules and Non-renormalization Theorems'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'dimension, 6', 'operator product expansion', 'symmetry, OSp(8|4)', 'vertex function', 'symmetry, conformal', 'selection rule', 'field theory, nonrenormalizable', 'correlation function', 'superspace, harmonic', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107084'] | ["We analyse the OPE of any two 1/2 BPS operators of (2,0) SCFT$_6$ by constructing all possible three-point functions that they can form with another, in general long operator. Such three-point functions are uniquely determined by superconformal symmetry. Selection rules are derived, which allow us to infer ``non-reno... | ['2001-07-11'] |
205 | ['eng'] | ['Mosconi, P', 'Mussardo, G', 'Riva, V'] | ['Boundary Quantum Field Theories with Infinite Resonance States'] | ['Particle Physics - Theory'] | ['integrability', 'boundary condition', 'scattering amplitude', 'Ising model', 'sinh-Gordon equation', 'energy, ground state', 'analytic properties', 'resonance', 'n-point function, 1'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107082'] | ['We extend a recent work by Mussardo and Penati on integrable quantum field theories with a single stable particle and an infinite number of unstable resonance states, including the presence of a boundary. The corresponding scattering and reflection amplitudes are expressed in terms of Jacobian elliptic functions, and... | ['2001-07-11'] |
206 | ['eng'] | ['Dudas, E A', 'Mourad, J', 'Sagnotti, A'] | ['Charged and Uncharged D-branes in various String Theories'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model', 'dimension, 10', 'duality', 'field theory, conformal', 'effect, Higgs', 'tachyon, coupling', 'orientifold', 'membrane, fractional', 'Wess-Zumino-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107081'] | ['We describe how the D-brane spectra of the various ten-dimensional string theories can be related to general properties of the open-closed duality, encoded in the S and P matrices of the conformal field theory. We also complete the classification and the description of non-BPS branes in these string theories, elucida... | ['2001-07-11'] |
207 | ['eng'] | ['Labastida, J M F'] | ['Math and Physics'] | ['Particle Physics - Theory'] | ['talk, Barcelona 2001/02/05', 'field theory, topological', 'string model', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'quantum group', 'knot theory', 'Donaldson theory', 'Wilson loop', 'expansion 1/N', 'dimension, 2-4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107079'] | ['I present a brief review on some of the recent developments in topological quantum field theory. These include topological string theory, topological Yang-Mills theory and Chern-Simons gauge theory. It is emphasized how the application of different field and string theory methods has led to important progress, openin... | ['2001-07-11'] |
208 | ['eng'] | ['Fujikawa, K'] | ['Spin-Statistics Theorem in Path Integral Formulation'] | ['Particle Physics - Theory'] | ['spin, statistics', 'path integral', 'propagator', 'commutation relations', 'causality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107076'] | ["We present a coherent picture of the spin-statistics theorem in path integral formulation. The local path integral measure and Lorentz invariant local Lagrangian, when combined with Green's functions defined in terms of time ordered products, ensure causality regardless of statistics. The Feynman's $m-i\\epsilon$ pre... | ['2001-07-11'] |
209 | ['eng'] | ['Baulieu, L', 'Zwanziger, D'] | ['Bulk Quantization of Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'quantization', 'dimension, 5', 'transformation, gauge', 'ghost, decoupling', 'symmetry, spontaneously broken', 'Dyson-Schwinger equation', 'operator, Becchi-Rouet-Stora', 'confinement', 'Georgi-Glashow model', 'field theory, Higgs'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107074'] | ['We deepen the understanding of the quantization of the Yang-Mills field by showing that the concept of gauge fixing in 4 dimensions is replaced in the 5-dimensional formulation by a procedure that amounts to an $A$-dependent gauge transformation. The 5-dimensional formulation implements the restriction of the physica... | ['2001-07-11'] |
210 | ['eng'] | ['Kneur, J L', 'Reynaud, D'] | ['Borel convergence of the variationally improved mass expansion and dynamical symmetry breaking'] | ['Particle Physics - Theory'] | ['mass, expansion', 'symmetry, dynamically broken', 'renormalization group', 'asymptotic freedom', 'mass, gap', 'delta expansion', 'numerical calculations, variational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107073'] | ['A modification of perturbation theory, known as delta-expansion (variationally improved perturbation), gave rigorously convergent series in some D=1 models (oscillator energy levels) with factorially divergent ordinary perturbative expansions. In a generalization of variationally improved perturbation appropriate to ... | ['2001-07-11'] |
211 | ['eng'] | ['Penati, S', 'Santambrogio, A'] | ['Superspace approach to anomalous dimensions in {\\cal N}=4 SYM'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'superspace', 'regularization, dimensional', 'operator, composite', 'two-point function', 'analytic properties', 'expansion 1/N', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107071'] | ['In a {\\cal N}=1 superspace setup and using dimensional regularization, we give a general and simple prescription to compute anomalous dimensions of composite operators in {\\cal N}=4, SU(N) supersymmetric Yang-Mills theory, perturbatively in the coupling constant g. We show in general that anomalous dimensions are r... | ['2001-07-10'] |
212 | ['eng'] | ['De Smet, P J', 'Raeymaekers, J'] | ['Toy Model for Tachyon Condensation in Bosonic String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'boson, string model', 'tachyon, condensation', 'effective potential', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107070'] | ["We study tachyon condensation in a baby version of Witten's open string field theory. For some special values of one of the parameters of the model, we are able to obtain closed form expressions for the stable vacuum state and for the value of the potential at the minimum. We study the convergence rate of the level t... | ['2001-07-10'] |
213 | ['eng'] | ['Grosse, Harald', 'Maceda, M', 'Madore, J', 'Steinacker, H'] | ['Fuzzy Instantons'] | ['Particle Physics - Theory'] | ['instanton, fuzzy', 'matrix model', 'gauge field theory, abelian', 'sphere, fuzzy', 'soliton, fuzzy', 'Fock space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107068'] | ['We present a series of instanton-like solutions to a matrix model which satisfy a self-duality condition and possess an action whose value is, to within a fixed constant factor, an integer l^2. For small values of the dimension n^2 of the matrix algebra the integer resembles the result of a quantization condition but... | ['2001-07-10'] |
214 | ['eng'] | ['Gao, Y'] | ['Symmetries, Matrices, and de Sitter Gravity'] | ['Particle Physics - Theory'] | ['gravitation, de Sitter', 'matrix model', 'symmetry, space-time', 'quantum mechanics', 'critical phenomena', 'Hilbert space', 'quantization, light cone', 'discrete', 'holography', 'momentum, infinite'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107067'] | ["Using simple algebraic methods along with an analogy to the BFSS model, we explore the possible (target) spacetime symmetries that may appear in a matrix description of de Sitter gravity. Such symmetry groups could arise in two ways, one from an ``IMF'' like construction and the other from a ``DLCQ'' like constructio... | ['2001-07-10'] |
215 | ['eng'] | ['Kazama, Y', 'Muramatsu, T'] | ['A Theorem on the Power of Supersymmetry in Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'supersymmetry', 'Ward identity', 'effective action', 'symmetry, SO(9)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107066'] | ['For the so-called source-probe configuration in Matrix theory, we prove the following theorem concerning the power of supersymmetry (SUSY): Let $\\delta$ be a quantum-corrected effective SUSY transformation operator expandable in powers of the coupling constant $g$ as $\\delta = \\sum_{n\\ge 0} g^{2n} \\delta^{(n)}$,... | ['2001-07-10'] |
216 | ['eng'] | ['Lazaroiu, C I', 'Roiban, R', 'Vaman, D'] | ['Graded Chern-Simons field theory and graded topological D-branes'] | ['Particle Physics - Theory'] | ['Chern-Simons term', 'membrane model, D-brane', 'field theory, string', 'model, topological', 'quantization, Batalin-Vilkovisky', 'membrane, pair', 'master equation', 'operator, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107063'] | ["We discuss graded D-brane systems of the topological A model on a Calabi-Yau threefold, by means of their string field theory. We give a detailed analysis of the extended string field action, showing that it satisfies the classical master equation, and construct the associated BV system. The analysis is entirely gene... | ['2001-07-10'] |
217 | ['eng'] | ['Lechner, K', 'Marchetti, P A', 'Tonin, M'] | ['Anomaly free effective action for the elementary M5-brane'] | ['Particle Physics - Theory'] | ['membrane model', 'effective action', 'supergravity', 'dimension, 11', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107061'] | ['We construct an effective action describing an elementary M5-brane interacting with dynamical eleven-dimensional supergravity, which is free from gravitational anomalies. The current associated to the elementary brane is taken as a distribution valued delta-function on the support of the 5-brane itself. Crucial ingre... | ['2001-07-10'] |
218 | ['eng'] | ['Maeda, K', 'Torii, T', 'Narita, M', 'Yahikozawa, S'] | ['The stability of the shell of D2-D6 branes in a ${\\cal N}=2$ supergravity solution'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supergravity', 'stability', 'tensor, energy-momentum', 'shell model', 'membrane, velocity', 'dilaton', 'enhancon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107060'] | ["The stability of the shell of wrapped D6-branes on K3 is investigated from the point of view of supergravity. We first construct an effective energy-momentum tensor for the shell under the reasonable conditions and show that supersymmetric solutions satisfy Israel's junction conditions at arbitrary radius of the shel... | ['2001-07-10'] |
219 | ['eng'] | ['Schwarz, J H'] | ['Anomaly Cancellation'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2001/05/21', 'anomaly, gauge', 'gravitation, anomaly', 'string model', 'differential forms', 'supersymmetry', 'dimension, 10', 'gauge field theory, SO(32)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107059'] | ['The mechanism by which gauge and gravitational anomalies cancel in certain string theories is reviewed. The presentation is aimed at theorists who do not necessarily specialize in string theory.'] | ['2001-07-10'] |
220 | ['eng'] | ['Greenberg, O W', 'Delgado, J D'] | ['Construction of bosons and fermions out of quons'] | ['Particle Physics - Theory'] | ['algebra, quon', 'boson, operator', 'fermion, operator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107058'] | ["The quon algebra describes particles, ``quons,'' that are neither fermions nor bosons, using a label $q$ that parametrizes a smooth interpolation between bosons ($q = 1$) and fermions ($q = -1$). Understanding the relation of quons on the one side and bosons or fermions on the other can shed light on the different pr... | ['2001-09-14'] |
221 | ['eng'] | ['Bertolini, M', 'Vecchia, P D', 'Frau, M', 'Lerda, A', 'Marotta, R'] | ['N=2 Gauge theories on systems of fractional D3/D7 branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane, fractional', 'bound state', 'dimension, 10', 'orbifold, background', 'supergravity', 'field equations, solution', 'gauge field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107057'] | ['We study a bound state of fractional D3/D7-branes in the ten-dimensional space R^{1,5}*R^{4}/Z_2 using the boundary state formalism. We construct the boundary actions for this system and we show that higher order terms in the twisted fields are needed in order to satisfy the zero-force condition. We then find the cla... | ['2001-07-09'] |
222 | ['eng'] | ['Aratyn, H', 'Gomes, J F', 'Zimerman, A H'] | ['Integrable Hierarchy for Multidimensional Toda Equations and Topological-Anti-topological Fusion'] | ['Particle Physics - Theory'] | ['model, Toda', 'hierarchy, GL(N,C)', 'integrability', 'fusion, topological', 'conservation law', 'tau-function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107056'] | ['The negative symmetry flows are incorporated into the Riemann-Hilbert problem for the homogeneous $A_m$-hierarchy and its $\\hat{gl} (m+1, C)$ extension. A loop group automorphism of order two is used to define a sub-hierarchy of $\\hat{gl} (m+1, C)$ hierarchy containing only the odd symmetry flows. The positive and ... | ['2001-07-09'] |
223 | ['eng'] | ['Chaichian, Masud', 'Presnajder, P', 'Sheikh-Jabbari, M M', 'Tureanu, A'] | ['Noncommutative Standard Model'] | ['Particle Physics - Theory'] | ['electroweak interaction', 'gauge field theory, U(N)', 'space-time, noncommutative', 'charge, quantization', 'violation, CP', 'Weinberg angle', 'gauge boson, mass', 'symmetry breaking', 'neutrino, new interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107055'] | ['A noncommutative version of the usual electro-weak theory is constructed. We discuss how to overcome the two major problems: 1) although we can have noncommutative U(n) (which we denote by $U_{\\star}(n)$) gauge theory we cannot have noncommutative SU(n) and 2) the charges in noncommutative QED are quantized to just ... | ['2001-07-09'] |
224 | ['eng'] | ['Bardek, V', 'Jonke, L', 'Meljanac, S', 'Milekovic, M'] | ['Calogero model, the collapse of matter, and the large-N limit'] | ['Particle Physics - Theory'] | ['Calogero model', 'expansion 1/N', 'critical phenomena', 'field theory, collective', 'matter, collapse'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107053'] | ['We discuss the behavior of the Calogero model for a special value of the constant of interaction/statistical parameter nu. The problem with finite number of Calogero particles is analyzed in the algebraic approach, while collective-field theory has been used to investigate the large-N limit. For nu=-1/N, we find a ne... | ['2001-07-09'] |
225 | ['eng'] | ['Pokorski, S'] | ['Physics of Extra Dimensions as IR Limit of Four-Dimensional Theories'] | ['Particle Physics - Theory'] | ['talk, La Londe les Maures 2001/05/11', 'talk, Durham 2001/05/07', 'gauge field theory, SU(N)', 'dimension, 4', 'dimension, 5', 'Kaluza-Klein model', 'symmetry, spontaneously broken', 'lattice, transverse'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107052'] | ['I discuss the recent work done in collaboration with Chris Hill, Jing Wang and Hsin-Chia Cheng. We construct four-dimensional renormalizable gauge theories which, in their infrared limit, generate the dynamics of gauge interactions in flat extra dimensions. In this construction, the Kaluza-Klein states of extra dimen... | ['2001-07-09'] |
226 | ['eng'] | ['Bonelli, G'] | ['On the Supersymmetric Index of the M-theory 5-brane and Little String Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model', 'string model', 'supersymmetry', 'dimension, 6', 'zero mode', 'moduli space', 'index theorem'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107051'] | ["We propose a six-dimensional framework to calculate the supersymmetric index of M-theory 5-branes wrapped on a six-manifold with product topology $M_4\\times T^2$, where $M_4$ is a holomorphic 4-cycle in a Calabi-Yau three-fold. This is obtained by zero-modes counting of the self-dual tensor contribution plus ``littl... | ['2001-07-09'] |
227 | ['eng'] | ['Fioravanti, D', 'Rossi, M'] | ['From the braided to the usual Yang-Baxter relation'] | ['Particle Physics - Theory'] | ['Yang-Baxter equation', 'braid group', 'monodromy', 'Korteweg-de Vries equation', 'operator, Lax', 'lattice'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107050'] | ['Quantum monodromy matrices coming from a theory of two coupled (m)KdV equations are modified in order to satisfy the usual Yang-Baxter relation. As a consequence, a general connection between braided and {\\it unbraided} (usual) Yang-Baxter algebras is derived and also analysed.'] | ['2001-07-09'] |
228 | ['eng'] | ['Christodoulakis, T', 'Diamandis, G A', 'Georgalas, B C', 'Vagenas, E C'] | ['Casimir Effect in 2D Stringy Black Hole Backgrounds'] | ['Particle Physics - Theory'] | ['effect, Casimir', 'black hole, Schwarzschild', 'black hole, Reissner-Nordstroem', 'string model', 'dimension, 2', 'tensor, energy-momentum', 'vacuum state', 'energy, density', 'pressure', 'thermodynamics', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107049'] | ['We consider the two-dimensional "Schwarzschild" and "Reissner-Nordstrom" stringy black holes as systems of Casimir type. We explicitly calculate the energy-momentum tensor of a massless scalar field satisfying Dirichlet boundary conditions on two one-dimensional "walls". These results are obtained using the Wald\'s a... | ['2001-07-09'] |
229 | ['eng'] | ['Aoyama, H', 'Nakayama, N', 'Sato, M', 'Tanaka, T'] | ['sl(2) Construction of Type A N-fold supersymmetry'] | ['Particle Physics - Theory'] | ['supersymmetry', 'algebra, SL(2)', 'quantum mechanics', 'potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107048'] | ['N-fold supersymmetry is an extension of the ordinary supersymmetry in one-dimensional quantum mechanics. One of its major property is quasi-solvability, which means that energy eigenvalues can be obtained for a portion of the spectra. We show that recently found Type A N-fold supersymmetry can be constructed by using... | ['2001-07-09'] |
230 | ['eng'] | ['Lin, S', 'Roan, S'] | ["Algebraic Geometry in Discrete Quantum Integrable Model and Baxter's T-Q Relation"] | ['Particle Physics - Theory'] | ['talk, Prague 2001/06/21', 'integrability', 'model, discrete', 'algebra, geometry', 'inverse scattering method', 'Riemann surfaces, higher-order', 'Hofstadter model', 'sine-Gordon model', 'transfer matrix'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107047'] | ["We study the diagonalization problem of certain discrete quantum integrable models by the method of Baxter's $T$-$Q$ relation from the algebraic geometry aspect. Among those the Hofstadter type model (with the rational magnetic flux), discrete quantum pendulum and discrete sine-Gordon model are our main concern in th... | ['2001-07-09'] |
231 | ['eng'] | ['Takahashi, T', 'Tanimoto, S'] | ['Wilson Lines and Classical Solutions in Cubic Open String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'field equations, solution', 'classical', 'Wilson loop, deformation', 'tachyon', 'current, U(1)', 'deformation, marginal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107046'] | ['We construct exact classical solutions in cubic open string field theory. By the redefinition of the string field, we find that the solutions correspond to finite deformations of the Wilson lines. The solutions are well-defined in level truncation scheme, and they have no branch cut singularity of marginal parameters... | ['2001-07-09'] |
232 | ['eng'] | ['Bekenstein, J D'] | ['The Case for Discrete Energy Levels of a Black Hole'] | ['Particle Physics - Theory'] | ['talk, Ann Arbor 2001/05/21', 'black hole, horizon', 'energy levels, discrete', 'mass, quantization', 'invariance, adiabatic', 'angular momentum, algebra', 'charge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107045'] | ['The adiabatic invariant nature of black hole horizon area in classical gravity suggests that in quantum theory the corresponding operator has a discrete spectrum. I here develop further an algebraic approach to black hole quantization which starts from very elementary assumptions, and proceeds by exploiting symmetry.... | ['2001-07-09'] |
233 | ['eng'] | ['Becker, K', 'Becker, M'] | ['Supersymmetry Breaking, M-Theory and Fluxes'] | ['Particle Physics - Theory'] | ['M-theory', 'spontaneous compactification', 'supersymmetry, symmetry breaking', 'supergravity', 'dimension, 11', 'dimension, 3', 'quantum gravity', 'vacuum state', 'Bianchi identity', 'moduli space', 'field equations, solution', 'flux'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107044'] | ['We consider warped compactifications of ${\\cal M}$-theory to three-dimensional Minkowski space on compact eight-manifolds. Taking all the leading quantum gravity corrections of eleven-dimensional supergravity into account we obtain the solution to the equations of motion and Bianchi identities. Generically these vac... | ['2001-07-09'] |
234 | ['eng'] | ['Flores-Hidalgo, G', 'Svaiter, N F'] | ['Reconstructing bidimensional scalar field theory models'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 2', 'Schroedinger equation', 'potential', 'zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107043'] | ['In this paper we review how to reconstruct scalar field theories in two dimensional spacetime starting from solvable Schrodinger equations. Three different Schrodinger potentials are analyzed. We obtained two new models starting from the Morse and Scarf II hyperbolic potentials, {\\it i.e}, the $U(\\phi)=\\phi^2\\ln^... | ['2001-09-14'] |
235 | ['eng'] | ['Collins, H S', 'Holdom, B'] | ['Decay of the Cosmological Constant through an Oscillating Metric'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'space-time, oscillation', 'oscillation, decay', 'fundamental constant, decay', 'particle, production', 'Kaluza-Klein model', 'dimension, 5', 'cosmic radiation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107042'] | ['We show how a cosmological constant $\\Lambda$ may drive high frequency oscillations in the metric, with an amplitude proportional to $\\sqrt\\Lambda$ and a frequency of order the Planck scale. Theories with higher powers of the curvature in the action have generic solutions of this type. This leads to the idea that ... | ['2001-07-06'] |
236 | ['eng'] | ['Alkalaev, K B'] | ['Free fermionic higher spin fields in AdS(5)'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'dimension, 5', 'spin, high', 'fermion, massless', 'spinor, SU(2,2)', 'field equations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107040'] | ['Totally symmetric massless fermionic fields of arbitrary spins in AdS(5) are described as su(2,2) multispinors. The approach is based on the well-known isomorfism o(4,2)=su(2,2). Explicitly gauge invariant higher spin free actions are constructed and free field equations are analyzed.'] | ['2001-07-06'] |
237 | ['eng'] | ['Nieto, J A'] | ['S-duality for 2-d gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 2', 'S-duality', 'partition function', 'gauge field theory, SO(1,2)', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107038'] | ['We investigate the analogue of S-duality for 2-d gravity. Our analysis is based in a partition function associated to the Katanaev-Volovich type action for 2-d gravity. We find a S-dual 2-d gravitational action which is related to the original 2-d gravitational action by strong-weak duality transformation.'] | ['2001-07-06'] |
238 | ['eng'] | ['Rabadan, Raul'] | ['Branes at angles, torons, stability and supersymmetry'] | ['Particle Physics - Theory'] | ['membrane model', 'dimension, 2', 'dimension, 4', 'dimension, 6', 'space-time, torus', 'duality', 'charge', 'energy spectrum', 'Feynman graph, tadpole', 'supersymmetry', 'stability', 'tachyon', 'gauge field theory, SU(N)', 'gauge field theory, U(1)', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107036'] | ['We elucidate some properties of the relation between two T-dual systems in tori, branes at angles and branes wrapping the whole torus carrying fluxes. We analyze different features of these systems: charges, low energy spectrum, tadpole cancellation, symmetry groups, ... and the correspondence between the two viewpoi... | ['2001-07-06'] |
239 | ['eng'] | ['Lomholt, M A', 'Larsen, A L'] | ['Open Strings in the SL(2,R) WZWN Model with Solution for a Rigidly Rotating String'] | ['Particle Physics - Theory'] | ['string model, open', 'rotational', 'Wess-Zumino-Witten model, SL(2,R)', 'Wess-Zumino-Witten model, action', 'membrane model, D-brane', 'boundary condition', 'space-time, anti-de Sitter', 'dimension, 3', 'Regge poles'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107035'] | ['Boundary conditions and gluing conditions for open strings and D-branes in the $SL(2,R)$ WZWN model, corresponding to $AdS_3$, are discussed. Some boundary conditions and gluing conditions previously considered in the literature are shown to be incompatible with the variation principle. We then consider open string b... | ['2001-07-06'] |
240 | ['eng'] | ['Ishikawa, T', 'Kuroki, S I', 'Sako, A'] | ['Noncommutative Cohomological Field Theory and GMS soliton'] | ['Particle Physics - Theory'] | ['field theory, noncommutative', 'cohomology', 'field theory, scalar', 'soliton', 'partition function', 'Morse theory', 'Euler number'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107033'] | ['We show that it is possible to construct invariant field theory under the translation of noncommutative parameter $ \\theta_{\\mu \\nu} $. This is achieved by noncommutative cohomological field theory. As an example, noncommutative cohomological scalar field theory is constructed, and its partition function is calcul... | ['2001-07-06'] |
241 | ['eng'] | ['De Haro, S'] | ['Quantum Gravity and the Holographic Principle'] | ['Particle Physics - Theory'] | ['thesis', 'quantum gravity', 'holography', 'scattering', 'field theory, conformal', 'space-time, anti-de Sitter', 'approximation, eikonal', 'shock waves', 'tensor, energy-momentum', 'matter, coupling', 'scaling', 'spontaneous compactification', 'field theory, topological', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107032'] | ['In this thesis we study two different approaches to holography, and comment on the possible relation between them. The first approach is an analysis of the high-energy regime of quantum gravity in the eikonal approximation, where the theory reduces to a topological field theory. This is the regime where particles int... | ['2001-07-06'] |
242 | ['eng'] | ['Gaete, P'] | ['On the Interquark Potential calculation from Dirac Brackets'] | ['Particle Physics - Theory'] | ['quark antiquark, bound state', 'quark, heavy', 'binding energy', 'quantum chromodynamics', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107030'] | ['We obtain the binding energy of an infinitely heavy quark-antiquark pair from Dirac brackets by computing the expectation value of the pure QCD Hamiltonian. This procedure exploits the rich structure of the dressing around static fermions. Some subtle points related to exhibing explicitly the interquark energy are co... | ['2001-07-05'] |
243 | ['eng'] | ['Antonov, D'] | ['Confining Membranes and Dimensional Reduction'] | ['Particle Physics - Theory'] | ['membrane model', 'field theory, tensor', 'gas, Coulomb', 'confinement', 'dimensional reduction', 'Wilson loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107029'] | ['The dual theory describing the 4D Coulomb gas of point-like magnetically charged objects, which confines closed electric strings, is considered. The respective generalization of the theory of confining strings to confining membranes is further constructed. The same is done for the analogous SU(3)-inspired model. We t... | ['2001-07-05'] |
244 | ['eng'] | ['Bianchi, M', 'Green, M B', 'Kovács, S J'] | ['Instantons and BPS Wilson loops'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'gauge field theory, SU(2)', 'supersymmetry', 'Wilson loop', 'soliton, BPS', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107028'] | ['The one-instanton contribution to a circular BPS Wilson loop in N=4 SU(2) Yang--Mills theory is evaluated in semiclassical approximation. This article amplifies part of a talk given by MBG at the Strings 2001 conference, Mumbai, India (January 5-10, 2001). The results are preliminary and a more complete exposition wi... | ['2001-07-05'] |
245 | ['eng'] | ['Bordag, M', 'Skalozub, V'] | ['Temperature phase transition and an effective expansion parameter in the O(N)-model'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'symmetry, O(N)', 'finite temperature', 'symmetry, spontaneously broken', 'expansion 1/N', 'critical phenomena', 'mass spectrum', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107027'] | ['The temperature phase transition in the $N$-component scalar field theory with the spontaneous symmetry breaking is investigated in the perturbative approach. The second Legendre transform and consideration of the gap equations in the extrema of the free energy functional is used. The super daisy and beyond resummati... | ['2001-07-05'] |
246 | ['eng'] | ['Khusnutdinov, N R', 'Bezerra, V B'] | ['Self-energy and Self-force in the Space-time of a Thick Cosmic String'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'space-time, background', 'charged particle, propagator', 'propagator, renormalization', 'S-matrix', 'forces', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107026'] | ["We calculate the self-energy and self-force for an electrically charged particle at rest in the background of Gott-Hiscock cosmic string space-time. We found the general expression for the self-energy which is expressed in terms of the $S$ matrix of the scattering problem. The self-energy continuously falls down outw... | ['2001-07-05'] |
247 | ['eng'] | ['Kobayashi, S', 'Koyama, K', 'Soda, J'] | ['Thick Brane Worlds and Their Stability'] | ['Particle Physics - Theory'] | ['membrane model', 'stability', 'field theory, scalar', 'dimension, 5', 'field theory, action', 'gravitation', 'perturbation theory', 'effective potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107025'] | ["Three types of thick branes, i.e., Poincar\\'{e}, de Sitter and Anti-de Sitter brane are considered. They are realized as the non-singular solutions of the Einstein equations with the non-trivial dilatons and the potentials. The scalar perturbations of these systems are also investigated. We find that the effective p... | ['2001-07-05'] |
248 | ['eng'] | ['Bordag, M', 'Nesterenko, V V', 'Pirozhenko, I G'] | ['On the high temperature asymptotics of the free energy of quantum fields in confined regions'] | ['Particle Physics - Theory'] | ['electromagnetic field', 'boundary condition', 'effect, Casimir', 'finite temperature, high', 'energy', 'regularization, heat kernel', 'thermodynamics', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107024'] | ['The high temperature asymptotics of the Helmholtz free energy of electromagnetic field subjected to boundary conditions with spherical and cylindrical symmetries are constructed by making use of a general expansion in terms of heat kernel coefficients and the related determinant. For this, some new heat kernel coeffi... | ['2001-07-05'] |
249 | ['eng'] | ['Buchbinder, I L', 'Gomes, M J', 'Petrov, A Yu', 'Rivelles, V O'] | ['Superfield Effective Action in the Noncommutative Wess-Zumino Model'] | ['Particle Physics - Theory'] | ['Wess-Zumino model', 'supersymmetry, superfield', 'differential geometry, noncommutative', 'effective action', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107022'] | ['We introduce the concept of superfield effective action in noncommutative N=1 supersymmetric field theories containing chiral superfields. One and two loops low-energy contributions to the effective action are found for the noncommutative Wess-Zumino model. The one loop Kahlerian effective potential coincides with it... | ['2001-07-04'] |
250 | ['eng'] | ['Tsoupros, G'] | ['Perturbative Evaluation of the Zero-Point function for Self-Interacting Scalar Field on a Manifold with Boundary'] | ['Particle Physics - Theory'] | ['space-time', 'any-dimensional', 'field theory, scalar', 'perturbation theory, higher-order', 'higher-order, 3', 'n-point function, 0'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107021'] | ['The character of quantum corrections to the gravitational action of a conformally invariant field theory for a self-interacting scalar field on a manifold with boundary is considered at third loop-order in the perturbative expansion of the zero-point function. Diagramatic evaluations and higher loop-order renormalisa... | ['2001-07-04'] |
251 | ['eng'] | ['Litim, Daniel F', 'Pawlowski, J M'] | ['Predictive power of renormalisation group flows'] | ['Particle Physics - Theory'] | ['renormalization group, transformation', 'effective action', 'field theory, scalar', 'symmetry, O(N)', 'perturbation theory', 'expansion, derivative', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107020'] | ['We study a proper-time renormalisation group, which is based on an operator cut-off regularisation of the one-loop effective action. The predictive power of this approach is constrained because the flow is not an exact one. We compare it to the Exact Renormalisation Group, which is based on a momentum regulator in th... | ['2001-07-04'] |
252 | ['eng'] | ['Tsoupros, G'] | ['Spherical Formulation for Diagramatic Evaluations on a Manifold with Boundary'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'space-time', 'invariance, conformal', 'boundary condition', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107019'] | ['The mathematical formalism necessary for the diagramatic evaluation of quantum corrections to a conformally invariant field theory for a self-interacting scalar field on a curved manifold with boundary is considered. The evaluation of quantum corrections to the effective action past one-loop necessitates diagramatic ... | ['2001-07-04'] |
253 | ['eng'] | ['Youm, D'] | ['Bulk Fields in Delocalized Dilatonic p-Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'dilaton', 'fermion', 'Kaluza-Klein model', 'fluctuation', 'zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107018'] | ['We study localization properties of various bulk fields on a dilatonic p-brane which is delocalized along its transverse directions except one. We find that all the bosonic and fermionic bulk fields can be localized on the delocalized dilatonic p-brane in a strict sense, namely the Kaluza-Klein zero modes of the bulk... | ['2001-07-04'] |
254 | ['eng'] | ['Kleinert, H', 'Pelster, A', 'Van den Bossche, B'] | ['Recursive Graphical Construction for Feynman Diagrams and Their Weights in Ginzburg-Landau Theory'] | ['Particle Physics - Theory'] | ['Landau-Ginzburg model', 'differential equations, nonlinear', 'energy', 'Feynman graph, higher-order', 'higher-order, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107017'] | ['The free energy of the Ginzburg-Landau theory satisfies a nonlinear functional differential equation which is turned into a recursion relation. The latter is solved graphically order by order in the loop expansion to find all connected vacuum diagrams, and their corresponding weights. In this way we determine the con... | ['2001-07-04'] |
255 | ['eng'] | ['Taylor, B J'] | ['On The Strong-Coupling Spectrum of Pure SU(3) Seiberg-Witten Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3)', 'supersymmetry', 'vacuum state', 'moduli space', 'geometry, algebra', 'partition function', 'Seiberg-Witten model', 'approximation, strong coupling', 'soliton, BPS', 'fluctuation', 'particle, multiplet'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107016'] | ['We consider the two complex dimensional moduli space of supersymmetric vacua for low energy effective N=2 SYM with gauge group SU(3). We describe, at the topological level, a consistent model of how the relevant curves of marginal stability (CMS) intertwine with the branch cuts to partition the moduli space into piec... | ['2001-07-04'] |
256 | ['eng'] | ['Castro-Alvaredo, O A', 'Fring, A'] | ['Form factors from free fermionic Fock fields, the Federbush model'] | ['Particle Physics - Theory'] | ['fermion, Dirac', 'phase space, Fock space', 'anyon, form factor', 'sine-Gordon model', 'symmetry, SU(3)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107015'] | ['By representing the field content as well as the particle creation operators in terms of fermionic Fock operators, we compute the corresponding matrix elements of the Federbush model. Only when these matrix elements satisfy the form factor consistency equations involving anyonic factors of local commutativity, the co... | ['2001-07-04'] |
257 | ['eng'] | ['Lee, J C'] | ['Consistent Quantization of Noncommutative D-brane in Non-constant B Field Background'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string, open', 'quantization', 'symmetry, conformal', 'background field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107014'] | ['We perform the consistent quantization of open string D-brane in non-constant NS-NS closed string B field background by directly imposing the worldsheet conformal symmetry. In addition to the previous noncommutative D-brane coordinates quantization with constant noncommutative parameter $\\theta $, we obtain a set of... | ['2001-07-04'] |
258 | ['eng'] | ['Fuenmayor, E', 'Leal, L C', 'Revoredo, R'] | ['Loop Representation of charged particles interacting with Maxwell and Chern-Simons fields'] | ['Particle Physics - Theory'] | ['charged particle, interaction', 'Chern-Simons term', 'gauge field theory, abelian', 'particle, nonrelativistic', 'loop space', 'electromagnetic interaction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107013'] | ['The loop representation formulation of non-relativistic particles coupled with abelian gauge fields is studied. Both Maxwell and Chern-Simons interactions are separately considered. It is found that the loop-space formulations of these models share significant similarities, although in the Chern-Simons case there exi... | ['2001-09-14'] |
259 | ['eng'] | ['Zupnik, B M'] | ['Geometry of solutions of N=2 SYM-theory in harmonic superspace'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry, superfield', 'superspace, harmonic', 'field equations, solution', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107012'] | ['In harmonic superspace, the classical equations of motion of $D=4, N=2$ supersymmetric Yang-Mills theory for Minkowski and Euclidean spaces are analyzed. We study dual superfield representations of equations and subsidiary conditions corresponding to classical SYM-solutions with different symmetries. In particular, a... | ['2001-07-03'] |
260 | ['eng'] | ['Germani, C', 'Maartens, R'] | ['Stars in the braneworld'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'dimension, 5', 'star, density', 'n, matter', 'field equations', 'membrane, tension', 'space-time, Schwarzschild', 'space-time, anti-de Sitter', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107011'] | ['We show that in a Randall-Sundrum II type braneworld, the vacuum exterior of a spherical star is not in general a Schwarzschild spacetime, but has radiative-type stresses induced by 5-dimensional graviton effects. Standard matching conditions do not lead to a unique exterior on the brane because of these 5-dimensiona... | ['2001-07-03'] |
261 | ['eng'] | ['Julia, B L'] | ['Supergravities from fields to branes'] | ['Particle Physics - Theory'] | ['talk, London 2000/07/17', 'supergravity', 'membrane model', 'higher-dimensional', 'gauge field theory, deformation', 'dimensional reduction', 'diffeomorphism', 'instanton', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107009'] | ["The quest for unification of particles and fields and for reconciliation of Quantum Mechanics and General Relativity has led us to gauge theories, string theories, supersymmetry and higher-extended objects: membranes... Our spacetime is quantum mechanical but it admits semiclassical descriptions of various ``compleme... | ['2001-07-03'] |
262 | ['eng'] | ['Matsuo, Y'] | ['Projection Operators and D-branes in Purely Cubic Open String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'vacuum state', 'fluctuation', 'membrane model, D-brane', 'charge, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107007'] | ['We study a matrix version of the purely cubic open string field theory as describing the expansion around the closed string vacuum. Any D-branes in the given closed string background can appear as classical solutions by using the identity projectors. Expansion around this solution gives the correct kinetic term for t... | ['2001-07-03'] |
263 | ['eng'] | ['Dass, N D H', 'Shajesh, K V'] | ['Vacuum polarisation induced coupling between Maxwell and Kalb-Ramond Fields'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'fermion', 'field theory, tensor', 'path integral', 'effective Lagrangian', 'vacuum polarization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107006'] | ['We present here a manifestly gauge invariant calculation of vacuum polarization to fermions in the presence of a constant Maxwell and a constant Kalb-Ramond field in four dimensions. The formalism is a generalisation of the one used by Schwinger in his famous paper on gauge invariance and vacuum polarization. We get ... | ['2001-07-03'] |
264 | ['eng'] | ['Bordag, M', 'Nesterenko, V V', 'Pirozhenko, I G'] | ['High Temperature Asymptotics in Terms of Heat Kernel Coefficients'] | ['Particle Physics - Theory'] | ['talk, Naples 2001/07/02', 'electromagnetic field', 'temperature, high', 'asymptotic behavior', 'boundary condition', 'heat kernel, expansion', 'zeta function', 'symmetry, sphere', 'symmetry, cylinder', 'energy, Casimir'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107005'] | ['The high temperature asymptotics of the Helmholtz free energy of electromagnetic field subjected to boundary conditions with spherical and cylindrical symmetries are constructed by making use of a general expansion in terms of heat kernel coefficients and the related determinant. For this, some new heat kernel coeffi... | ['2001-07-03'] |
265 | ['eng'] | ['Barbieri, R', 'Hall, L J', 'Nomura, Y'] | ['Models of Scherk-Schwarz Symmetry Breaking in 5D'] | ['Particle Physics - Theory'] | ['dimension, 5', 'gauge field theory, SU(3) x SU(2) x U(1)', 'supersymmetry', 'Higgs model', 'symmetry breaking', 'spontaneous compactification', 'orbifold', 'Higgs particle, mass', 'gauge field theory, SU(5)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0107004'] | ['The form of the most general orbifold breaking of gauge, global and supersymmetries with a single extra dimension is given. In certain theories the Higgs boson mass is ultraviolet finite due to an unbroken local supersymmetry, which is explicitly exhibited. We construct: a 1 parameter SU(3) \\times SU(2) \\times U(1)... | ['2001-07-03'] |
266 | ['eng'] | ['Copeland, E J', 'Gray, J', 'Lukas, A'] | ['Moving Five-Branes in Low-Energy Heterotic M-Theory'] | ['Particle Physics - Theory'] | ['membrane model', 'M-theory, heterotic', 'dilaton', 'astrophysics, model', 'instanton', 'effective action', 'field equations, solution', 'dimension, 5', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106285'] | ['We construct cosmological solutions of four-dimensional effective heterotic M-theory with a moving five-brane and evolving dilaton and T modulus. It is shown that the five-brane generates a transition between two asymptotic rolling-radii solutions. Moreover, the five-brane motion always drives the solutions towards s... | ['2001-07-02'] |
267 | ['eng'] | ['Schrör, B'] | ['Holography&Transplantation and All That (The tip of an iceberg for a paradigmatic change in QFT?)'] | ['Particle Physics - Theory'] | ['holography', 'operator, algebra', 'axiomatic field theory', 'black hole', 'fuzzy', 'group theory, modular', 'field theory, conformal', 'space-time, anti-de Sitter', 'anyon', 'plekton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106284'] | ["Recent developments in local quantum physics have led to revolutionary conceptual changes in the thinking about a more intrinsic formulation and in particular about unexpected aspects of localized degrees of freedom. This paradigmatic change is most spectacular in a new rigorous form of ``holography'' and ``transplan... | ['2001-07-02'] |
268 | ['eng'] | ['Enqvist, Kari', 'Keski-Vakkuri, E', 'Räasänen, S S'] | ['Hubble Law and Brane Matter after Ekpyrosis'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model, tension', 'model, ekpyrotic', 'dimension, 5', 'space, Calabi-Yau'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106282'] | ['We study brane matter in the ekpyrotic scenario and observe that in order to obtain standard gravity on the visible brane, the tension of the visible brane should be positive. If the sizes of both the fifth dimension and the Calabi-Yau threefold are fixed, the Israel junction conditions do not allow time-dependent br... | ['2001-07-02'] |
269 | ['eng'] | ['Aschieri, Paolo'] | ['Duality Rotations and BPS Monopoles with Space and Time Noncommutativity'] | ['Particle Physics - Theory'] | ['magnetic monopole, BPS', 'duality, SL(2,R)', 'space-time, noncommutative', 'Born-Infeld model', 'field theory, scalar', 'Seiberg-Witten map', 'string model', 'membrane model', 'gauge field theory', 'electromagnetic field', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106281'] | ['We show that noncommutative electromagnetism and Dirac-Born-Infeld (DBI) theory with scalar fields are SL(2,R) self-dual when noncommutativity is light-like and we are in the slowly varying field approximation. This follows from SL(2,R) self-duality of the commutative DBI Lagrangian and of its zero slope limit that w... | ['2001-07-02'] |
270 | ['eng'] | ['Na, E S'] | ['Superpartner Solutions of a BPS Monopole in Noncommutative Space'] | ['Particle Physics - Theory'] | ['gauge field theory, U(2)', 'supersymmetry', 'monopole, BPS', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106278'] | ['We construct U(2) BPS monopole superpartner solutions in N=2 non-commutative super Yang-Mills theory. Calculation to the second order in the noncommutative parameter $\\theta$ shows that there is no electric quadrupole moment that is expected from the magnetic dipole structure of noncommtative U(2) monopole. This mig... | ['2001-07-02'] |
271 | ['eng'] | ['Banks, T', 'Dine, Michael'] | ['Dark Energy in Perturbative String Cosmology'] | ['Particle Physics - Theory'] | ['dark energy', 'string model', 'S-matrix', 'axion', 'horizon', 'field theory, scalar', 'space-time, Robertson-Walker', 'moduli space', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106276'] | ['The apparent observation of dark energy poses problems for string theory. In de Sitter space, or in quintessence models, one cannot define a gauge-invariant S-matrix. We argue that eternal quintessence does not arise in weakly coupled string theory, but point out that it is difficult to define an $S$-matrix even in t... | ['2001-07-02'] |
272 | ['eng'] | ['Baseilhac, P', 'Delius, G W'] | ['Coupling integrable field theories to mechanical systems at the boundary'] | ['Particle Physics - Theory'] | ['sinh-Gordon model', 'oscillator, nonlinear', 'integrability', 'dimension, 2', 'sine-Gordon model', 'charge, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106275'] | ["We present an integrable Hamiltonian which describes the sinh-Gordon model on the half line coupled to a non-linear oscillator at the boundary. We explain how we apply Sklyanin's formalism to a dynamical reflection matrix to obtain this model. This method can be applied to couple other integrable field theories to dy... | ['2001-07-02'] |
273 | ['eng'] | ['Apikyan, S A', 'Efthimiou, C J'] | ['Remarks on A_2 Toda Field Theory'] | ['Particle Physics - Theory'] | ['field theory, Toda', 'algebra, A(2)', 'correlation function', 'bootstrap, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106272'] | ['We study the Toda field theory with finite Lie algebras using an extension of the Goulian-Li technique. In this way, we show that, after integrating over the zero mode in the correlation functions of the exponential fields, the resulting correlation function resembles that of a free theory. Furthermore, it is shown t... | ['2001-06-29'] |
274 | ['eng'] | ['Chan, C T', 'Chen, C M', 'Yang, H S'] | ['Topological Z_{N+1} Charges on Fuzzy Sphere'] | ['Particle Physics - Theory'] | ['sphere, fuzzy', 'charge, topological', 'charge, Z(N)', 'K-theory', 'soliton', 'Fock space', 'membrane model, D-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106269'] | ['We study the topological properties on fuzzy sphere. We show that the topological charge is only defined modulo N+1, that is finite integer quotient Z_{N+1}, where N is a cut-off spin of fuzzy sphere. This periodic structure on topological charges is shown based on the boson realizations of SU(2) algebra, Schwinger v... | ['2001-06-29'] |
275 | ['eng'] | ['Riva, V'] | ['Boundary effects in two-dimensional critical and off-critical systems'] | ['Particle Physics - Theory'] | ['thesis', 'critical phenomena', 'dimension, 2', 'field theory, conformal', 'model, minimal', 'scaling', 'conservation law', 'invariance, modular', 'S-matrix, analytic properties', 'bootstrap', 'Ising model', 'Potts model', 'field theory, Toda', 'field theory, affine', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106268'] | ['Critical systems are described by conformal field theories, whose dynamics can be exactly solved in two dimensions. In the presence of a boundary, with the so-called method of images it is possible to study the surface critical behaviour of these systems, and the conformal boundary conditions can be related to the bu... | ['2001-06-29'] |
276 | ['eng'] | ['Keurentjes, A'] | ['Classifying orientifolds by flat n-gerbes'] | ['Particle Physics - Theory'] | ['orientifold', 'geometry, algebra', 'supersymmetry', 'membrane model, D-brane', 'duality', 'holonomy', 'dimension, 4-6'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106267'] | ['The discrete tensorial charges carried by orientifold planes define n-gerbes in space-time. The simplest way to ensure a consistent string compactification is to require these gerbes to be flat. This results in expressions for the local gerbe-holonomies around each orientifold plane, describing its charges. Inverting... | ['2001-06-29'] |
277 | ['eng'] | ['Minasian, R', 'Tsimpis, D'] | ['Hopf reductions, fluxes and branes'] | ['Particle Physics - Theory'] | ['membrane model, fractional', 'M-theory', 'T-duality', 'conifold', 'string model', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106266'] | ['We use a series of reductions, T-dualities and liftings to construct connections between fractional brane solutions in IIA, IIB and M-theory. We find a number of phantom branes that are not supported by the geometry, however materialize upon untwisting and/or Hopf-reduction.'] | ['2001-06-29'] |
278 | ['eng'] | ['Shiromizu, T', 'Ida, D', 'Ochiai, H', 'Torii, T'] | ['Stability of ${\\rm AdS}_p \\times {\\rm S}^n \\times {\\rm S}^{q-n}$ Compactifications'] | ['Particle Physics - Theory'] | ['spontaneous compactification', 'space-time, anti-de Sitter', 'space-time, sphere', 'space-time, stability', 'effective action', 'dilaton', 'fluctuation, nonlinear', 'M-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106265'] | ['We examine the stability of ${\\rm AdS}_p \\times {\\rm S}^n \\times {\\rm S}^{q-n}$. The initial data constructed by De Wolfe et al \\cite{Gary} has been carefully analyised and we have confirmed that there is no lower bound for the total mass for $q< 9$. The effective action on ${\\rm AdS}_p$ has been derived for d... | ['2001-06-29'] |
279 | ['eng'] | ['Chen, C M', 'Harko, T', 'Mak, M K'] | ['Viscous dissipative effects in isotropic brane cosmology'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'dimension, 5', 'fluid', 'dissipation', 'thermodynamics, stability', 'causality', 'viscosity', 'field equations, solution', 'energy, density', 'entropy, time dependence', 'pressure, time dependence', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106263'] | ['We consider the dynamics of a viscous cosmological fluid in the generalized Randall-Sundrum model for an isotropic brane. To describe the dissipative effects we use the Israel-Hiscock-Stewart full causal thermodynamic theory. In the limiting case of a stiff cosmological fluid with pressure equal to the energy density... | ['2001-06-29'] |
280 | ['eng'] | ['Brunner, Ilka', 'Distler, Jacques', 'Mahajan, R'] | ['Return of the Torsion D-Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'torsion', 'space, Calabi-Yau', 'K-theory', 'monodromy', 'bound state', 'Gepner model', 'category', 'moduli space, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106262'] | ['We study D-branes on Calabi-Yau manifolds, carrying charges which are torsion elements of the K-theory. Interesting physics ensues when we follow these branes into nongeometrical phases of the compactification. On the level of K-theory, we determine the monodromies of the group of charges as we circle singular loci i... | ['2001-06-29'] |
281 | ['eng'] | ['Shvedov, O Y'] | ['BRST-BFV, Dirac and Projection Operator Quantizations'] | ['Particle Physics - Theory'] | ['quantization', 'constraint', 'wave function', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106250'] | ['The correspondence between BRST-BFV, Dirac and projection operator approaches to quantize constrained systems is analyzed. It is shown that the component of the BFV wave function with maximal number of ghosts and antighosts in the Schrodinger representation may be viewed as a wave function in the projection operator ... | ['2001-06-28'] |
282 | ['eng'] | ['Eden, B U', 'Sokatchev, Emery S'] | ['On the OPE of 1/2 BPS Short Operators in N=4 SCFT$_4$'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'gauge field theory, Yang-Mills', 'supersymmetry', 'superfield, harmonic', 'soliton, BPS', 'operator product expansion', 'n-point function, 3', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106249'] | ["The content of the OPE of two 1/2 BPS operators in N=4 SCFT$_4$ is given by their superspace three-point functions with a third, a priori long operator. For certain 1/2 BPS short superfields these three-point functions are uniquely determined by superconformal invariance. We focus on the cases where the leading ($\\t... | ['2001-09-14'] |
283 | ['eng'] | ['Harindranath, A', 'Martinovic, L', 'Vary, J P'] | ['S-matrix in discretized light cone quantization does have the correct continuum limit'] | ['Particle Physics - Theory'] | ['quantization, light cone', 'discrete', 'S-matrix', 'phi**n model, 4', 'continuum limit', 'dimension, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106248'] | ['We refute a recent claim that S-matrix in Discretized Light Cone Quantization does not have the correct continuum limit for processes with p^+=0 exchange in phi^4 theory.'] | ['2001-06-27'] |
284 | ['eng'] | ['Klemm, D'] | ['Some Aspects of the de Sitter/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, de Sitter', 'field theory, conformal', 'quantum gravity', 'tensor, energy-momentum', 'central charge', 'energy, Casimir', 'Klein-Gordon equation', 'correlation function', 'black hole', 'dimension, 4', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106247'] | ['We discuss several aspects of the proposed correspondence between quantum gravity on de Sitter spaces and Euclidean conformal field theories. The central charge appearing in the asymptotic symmetry algebra of three-dimensional de Sitter space is derived both from the conformal anomaly and the transformation law of th... | ['2001-06-27'] |
285 | ['eng'] | ['Gross, David J', 'Periwal, V'] | ['String field theory, non-commutative Chern-Simons theory and Lie algebra cohomology'] | ['Particle Physics - Theory'] | ['field theory, string', 'Chern-Simons term', 'dimension, 3', 'field theory, noncommutative', 'cohomology', 'Wilson loop', 'algebra, Lie', 'invariance, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106242'] | ["Motivated by noncommutative Chern-Simons theory, we construct an infinite class of field theories that satisfy the axioms of Witten's string field theory. These constructions have no propagating open string degrees of freedom. We demonstrate the existence of non-trivial classical solutions. We find Wilson loop-like o... | ['2001-06-27'] |
286 | ['eng'] | ['Youm, D'] | ['Localization of Bulk Form Fields on Dilatonic Domain Walls'] | ['Particle Physics - Theory'] | ['dilaton, domain wall', 'potential', 'differential forms', 'Kaluza-Klein model, zero mode'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106240'] | ['We study the localization properties of bulk form potentials on dilatonic domain walls. We find that bulk form potentials of any ranks can be localized as form potentials of the same ranks or one lower ranks, for any values of the dilaton coupling parameter. For large enough values of the dilaton coupling parameter, ... | ['2001-06-27'] |
287 | ['eng'] | ['Freyhult, L'] | ['On the Ground State of SU(2) Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'effective potential', 'background field', 'field theory, scalar', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106239'] | ['We compute the effective potential of SU(2) Yang-Mills theory using the background field method and the Faddeev-Niemi decomposition of the gauge fields. In particular, we find that the potential will depend on the values of two scalar fields in the decomposition and that its structure will give rise to a symmetry bre... | ['2001-06-27'] |
288 | ['eng'] | ['Birmingham, Daniel', 'Rinaldi, M'] | ['Brane World in a Topological Black Hole Bulk'] | ['Particle Physics - Theory'] | ['membrane model', 'black hole, topological', 'black hole, mass', 'horizon', 'Randall-Sundrum model', 'graviton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106237'] | ['We consider a static brane in the background of a topological black hole, in arbitrary dimensions. For hyperbolic horizons, we find a solution only when the black hole mass assumes its minimum negative value. In this case, the tension of the brane vanishes, and the brane position coincides with the location of the ho... | ['2001-06-27'] |
289 | ['eng'] | ['Mukhopadhyaya, B', 'Sen-Gupta, S', 'Sur, S'] | ['Spacetime torsion and parity violation'] | ['Particle Physics - Theory'] | ['space-time, torsion', 'parity, violation', 'Chern-Simons term', 'electromagnetic field', 'invariance, gauge', 'space-time, Einstein-Cartan'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106236'] | ['The possibility of parity violation through spacetime torsion has been explored in a scenario containing fields with different spins. Taking the Kalb-Ramond field as the source of torsion, an explicitly parity violating $U(1)_{EM}$ gauge invariant theory has been constructed by extending the KR field with a Chern-Sim... | ['2001-06-27'] |
290 | ['eng'] | ['Bhattacharya, S', 'Kumar, A', 'Mahapatra, S'] | ['Noncommutativity in linear dilaton background'] | ['Particle Physics - Theory'] | ['string model, open', 'quantization', 'dilaton, linear', 'supersymmetry', 'background field, tensor', 'field theory, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106232'] | ['We Consider quantization of open string theories in linear dilaton and constant antisymmetric tensor backgrounds and discuss the noncommutativity of space-time coordinates arising in such theories, including their relationship with light-like noncommutativity as well as backgrounds with null isometries. It is argued ... | ['2001-06-26'] |
291 | ['eng'] | ['Ghoshal, D'] | ['Normalization of the Boundary Superstring Field Theory Action'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'field theory, string', 'supersymmetry', 'gauge field theory', 'tachyon, potential', 'action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106231'] | ['The normalization of the boundary superstring field theory action is determined by computing the near on-shell amplitude involving three gauge fields.'] | ['2001-06-26'] |
292 | ['eng'] | ['Moss, I G', 'Naylor, W'] | ['Quantum corrections to the kinetic term in the Randall-Sundrum model'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'radion, mass', 'effective action', 'mass, hierarchy', 'quantization, correction', 'fermion, massless', 'dimension, 5', 'heat kernel'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106228'] | ['The effective action of the radion in the Randall-Sundrum model is analysed. Fine tunings are needed to obtain the observed mass hierarchy and an invisible radion. since the kinetic terms are important for determining the radion mass, the finite quantum corrections from massless confromally coupled fermions are analy... | ['2001-06-26'] |
293 | ['eng'] | ['Osipov, A A', 'Hiller, B'] | ['Large Mass Invariant Asymptotics of the Effective Action'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'asymptotic behavior', 'effective action', 'group theory, U(3)', 'heat kernel', 'mass, high'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106226'] | ["We study the large mass asymptotics of the Dirac operator with a nondegenerate mass matrix m={diag}(m_1,m_2,m_3) in the presence of scalar and pseudoscalar background fields taking values in the Lie algebra of the U(3) group. The corresponding one-loop effective action is regularized by the Schwinger's proper-time te... | ['2001-06-26'] |
294 | ['eng'] | ['Brevik, I'] | ['Can the Hierarchy Problem be Solved by Finite-Temperature Massive Fermions in the Randall-Sundrum Model?'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'fermion, massive', 'finite temperature', 'dimension, 5', 'hierarchy', 'effective potential', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106225'] | ['Quantum effects of bulk matter, in the form of massive fermions, are considered in the Randall-Sundrum $AdS_5$ brane world at finite temperatures. The thermodynamic energy (modulus potential) is calculated in the limiting case when the temperature is low, and is shown to possess a minimum, thus suggesting a new dynam... | ['2001-06-26'] |
295 | ['eng'] | ['Nepomechie, R I'] | ['Boundary S matrices with N=2 supersymmetry'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'S-matrix', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106223'] | ["We propose the exact boundary S matrix for breathers of the N=2 supersymmetric sine-Gordon model. We argue that this S matrix has three independent parameters, in agreement with a recently-proposed action. We also show, contrary to a previous claim, that the ``universal'' supersymmetric boundary S matrix commutes wit... | ['2001-06-26'] |
296 | ['eng'] | ['Kazama, Y', 'Muramatsu, T'] | ['Fully Off-shell Effective Action and its Supersymmetry in Matrix Theory, 2'] | ['Particle Physics - Theory'] | ['matrix model', 'supersymmetry', 'effective action, off-shell', 'Ward identity', 'symmetry, U(N)', 'charge conjugation, invariance', 'invariance, CPT', 'symmetry, SO(9)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106218'] | ['In a previous work, we computed the fully off-shell effective action $\\Gamma$ and the corresponding quantum-corrected supersymmetry (SUSY) transformation operator $\\delta_\\epsilon$ for the so-called source-probe configuration in Matrix theory at one loop at order 4 in the derivative expansion, and showed that they... | ['2001-06-26'] |
297 | ['eng'] | ['Dhar, A', 'Kitazawa, Y'] | ['Non-commutative Gauge Theory, Open Wilson Lines and Closed Strings'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'string model, closed', 'Wilson loop', 'invariance, reparametrization', 'matrix model', 'correlation function', 'expansion, harmonic', 'operator, conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106217'] | ['A recently proposed connection between closed string field and an open Wilson line defined on an arbitrary contour is further explored here. We suggest that reparametrization invariance of a Wilson line is the principle which determines the coupling of non-commutative gauge theory/matrix model to the modes of the clo... | ['2001-06-26'] |
298 | ['eng'] | ['Pouliot, P'] | ['Quantum Determinism for Free Vector Bosons in 3 Dimensions'] | ['Particle Physics - Theory'] | ['boson, vector', 'dimension, 3', 'quantum mechanics', 'invariance, Lorentz', 'invariance, conformal', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106216'] | ["We apply 't Hooft's deterministic quantum mechanics approach to free vector bosons in three dimensions and check Lorentz invariance. This approach does not work for the conformal group, for free bosons in two dimensions. This presents a technical difficulty for constructing a ``deterministic string theory''."] | ['2001-06-26'] |
299 | ['eng'] | ['Malik, R P'] | ['Superfield approach to BRST cohomology'] | ['Particle Physics - Theory'] | ['superfield', 'cohomology, Becchi-Rouet-Stora', 'gauge field theory, abelian', 'dimension, 2', 'Lagrangian formalism', 'duality', 'differential geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0106215'] | ['In the framework of superfield formalism, we discuss some aspects of cohomological features of a two(1+1)-dimensional free Abelian gauge theory that is described by a BRST invariant Lagrangian density in the Feynman gauge. We demonstrate that the conserved and nilpotent (anti-)BRST- and (anti-)co-BRST charges are the... | ['2001-06-26'] |
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