Unnamed: 0 int64 0 18.1k | language stringclasses 4
values | creator stringlengths 2 137 | title stringlengths 2 217 | subject stringclasses 15
values | keyword stringlengths 10 597 | identifier stringlengths 82 244 | description stringlengths 2 2.3k | date stringlengths 14 14 |
|---|---|---|---|---|---|---|---|---|
6,800 | ['eng'] | ['Kumar, J'] | ['Conformal Mechanics and the Virasoro Algebra'] | ['Particle Physics - Theory'] | ['mechanics, conformal', 'algebra, Virasoro', 'space-time, anti-de Sitter', 'field theory, conformal', 'central charge', 'multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901139'] | ['We demonstrate that any scale-invariant mechanics of one variable exhibits not only 0+1 conformal symmetry, but also the symmetries of a full Virasoro algebra. We discuss the implications for the adS/CFT correspondence.'] | ['1999-01-28'] |
6,801 | ['eng'] | ['Yang, J'] | ['Can QFT be UV finite as well as effective?'] | ['Particle Physics - Theory'] | ['talk, Dubna 1998/07/13', 'field theory, finite', 'Feynman graph, higher-order', 'renormalization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901138'] | ['A new attempt is demonstrated that QFTs can be UV finite if they are viewed as the low energy effective theories of a fundamental underlying theory (complete and well-defined in all respects) according to the modern standard point of view. This approach is much simpler in principle and in technology comparing to any ... | ['1999-01-28'] |
6,802 | ['eng'] | ['Amati, Daniele', 'Russo, Jorge G'] | ['Fundamental Strings as Black Bodies'] | ['Particle Physics - Theory'] | ['string model', 'excited state, massive', 'spectra, decay', 'photon, emission', 'graviton, emission', 'temperature, Hagedorn', 'spectra, black body', 'S-matrix, unitarity', 'black hole', 'decoherence'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901092'] | ['We show that the decay spectrum of massive excitations in perturbative string theories is thermal when averaged over the (many) initial degenerate states. We first compute the inclusive photon spectrum for open strings at the tree level showing that a black body spectrum with the Hagedorn temperature emerges in the a... | ['1999-01-21'] |
6,803 | ['eng'] | ['Günther, H', 'Herrmann, C F', 'Louis, J'] | ['Quantum Corrections in the Hypermultiplet Moduli Space'] | ['Particle Physics - Theory'] | ['talk, Buckow 1998/09/01', 'string model', 'moduli space', 'spontaneous compactification, Calabi-Yau', 'quantization, correction', 'vacuum state', 'duality', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901137'] | ['Quantum corrections in the hypermultiplet moduli space of type IIA string theories compactified on Calabi-Yau threefolds are investigated.'] | ['1999-01-27'] |
6,804 | ['eng'] | ['Massar, M', 'Troost, J'] | ['D0-D8-F1 in Massive IIA SUGRA'] | ['Particle Physics - Theory'] | ['supergravity, massive', 'membrane model', 'string model', 'symmetry, SO(8)', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901136'] | ['We present some new supersymmetric solutions of massive IIA supergravity involving D0-branes, a D8-brane and a string. For the bosonic fields we use a general ansatz with SO(8) symmetry.'] | ['1999-01-27'] |
6,805 | ['eng'] | ['Martinec, Emil J', 'Sahakian, V V'] | ['Black Holes and Five-brane Thermodynamics'] | ['Particle Physics - Theory'] | ['black hole', 'membrane model', 'M-theory', 'thermodynamics', 'critical phenomena', 'entropy', 'matrix model', 'angular momentum, dependence', 'string model', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901135'] | ['The phase diagram for Dp-branes in M-theory compactified on $T^4$, $T^4/Z_2$, $T^5$, and $T^6$ is constructed. As for the lower-dimensional tori considered in our previous work (hep-th/9810224), the black brane phase at high entropy connects onto matrix theory at low entropy; we thus recover all known instances of ma... | ['1999-01-27'] |
6,806 | ['eng'] | ['Aharony, O', 'Pawelczyk, J', 'Theisen, Stefan J', 'Yankielowicz, S'] | ['A Note on Anomalies in the AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'anomaly', 'supersymmetry', 'expansion 1/N', 'effective action', 'current, U(1)', 'Chern-Simons term', 'membrane model, D-brane', 'effective action', 'dimension, 10', 'dimension, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901134'] | ["We test the AdS/CFT correspondence in the case of a d=4 N=2 SCFT by comparing chiral anomalies which are of order N in the 't Hooft large N limit. These include corrections of order 1/N to the conformal anomaly, thus testing the correspondence beyond the extreme large N limit. The field theory anomalies are reproduce... | ['1999-01-27'] |
6,807 | ['eng'] | ['Neto, J A', 'De Oliveira, E R', 'Oliveira, W'] | ['Operatorial quantization of Born-Infeld Skyrmions'] | ['Particle Physics - Theory'] | ['Skyrmion', 'Born-Infeld model', 'symmetry, SU(2)', 'quantization, constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901133'] | ['The SU(2) collective coordinates quantization of the Born-Infeld Skyrmions Lagrangean is performed. The obtainment of the classical Hamiltonian from this special Lagrangean is made by using an approximate way: it is derived from the expansion of this non-polynomial Lagrangean up to second-order variable in the collec... | ['1999-01-27'] |
6,808 | ['eng'] | ['Brandt, F T', 'Frenkel, J'] | ['General structure of the graviton self-energy'] | ['Particle Physics - Theory'] | ['quantum gravity', 'propagator, graviton', 'propagator, renormalization', 'finite temperature', 'structure function, dependence', 'effective action', 'invariance, gauge', 'gauge, linear', 'invariance, Becchi-Rouet-Stora', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901132'] | ['The graviton self-energy at finite temperature depends on fourteen structure functions. We show that, in the absence of tadpoles, the gauge invariance of the effective action imposes three non-linear relations among these functions. The consequences of such constraints, which must be satisfied by the thermal graviton... | ['1999-01-27'] |
6,809 | ['eng'] | ['Kogan, I I', 'Soloviev, O A'] | ['On zigzag-invariant strings'] | ['Particle Physics - Theory'] | ['talk, Knoxville 1998/10/14', 'talk, Buckow 1998/09/01', 'string model', 'Wess-Zumino-Witten model', 'renormalization, beta function', 'fixed point', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901131'] | ['We propose a world-sheet realization of the zigzag-invariant strings as a perturbed WZNW model at large negative level. We argue that the gravitational dressing produces additional fixed points of the dressed renormalization beta function. One of these new critical points can be interpreted as a zigzag-invariant stri... | ['1999-01-27'] |
6,810 | ['eng'] | ['Chen, C M', 'Galtsov, D V', 'Maeda, K I', 'Sharakin, S A'] | ['SL(4,R) generating symmetry in five-dimensional gravity coupled to dilaton and three-form'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'dimension, 4', 'sigma model, SL(4,R)/SO(2,2)', 'dimension, 3', 'coupling, dilaton', 'vector, Killing', 'string model, rotator', 'membrane model, composite', 'Kaluza-Klein model, monopole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901130'] | ['We give an explicit formulation of the three-dimensional $SL(4,R)/SO(2,2) dilaton and the three-form field for spacetimes with two commuting Killing vector fields. New matrix representation is obtained which is similar to one found earlier in the four-dimensional Einstein-Maxwell-Dilaton-Axion (EMDA) theory. The SL(4... | ['1999-01-27'] |
6,811 | ['eng'] | ['Cheng, H', 'Li, S P'] | ['The Standard Model in the Alpha gauge is not renormalizable'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2) x U(1)', 'Ward-Takahashi identity', 'gauge fixing', 'propagator, analytic properties', 'W, longitudinal', 'interference, (Higgs particle W)', 'invariance, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901129'] | ['We study the Ward-Takahashi identities in the standard model with the gauge fixing terms given by (1.1) and (1.2). We find that the isolated singularities of the propagators for the unphysical particles are poles of even order, not the simple poles people have assumed them to be. Furthermore, the position of these po... | ['1999-01-27'] |
6,812 | ['eng'] | ['Dorey, N', 'Hollowood, Timothy J', 'Khoze, V V', 'Mattis, M P', 'Vandoren, S'] | ['Multi-Instanton Calculus and the AdS/CFT Correspondence in N=4 Superconformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'space-time, anti-de Sitter', 'instanton', 'gauge field theory, SU(N)', 'expansion 1/N', 'n-point function', 'string model', 'saddle-point approximation', 'supergravity', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901128'] | ["We present a self-contained study of ADHM multi-instantons in SU(N) gauge theory, especially the novel interplay with supersymmetry and the large-N limit. We give both field- and string-theoretic derivations of the N=4 supersymmetric multi-instanton action and collective coordinate integration measure. As a central a... | ['1999-01-26'] |
6,813 | ['eng'] | ['Husain, V'] | ['Diffeomorphism invariant SU(N) gauge theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'higher-dimensional', 'diffeomorphism, invariance', 'constraint', 'quantization, nonperturbative', 'spin, network', 'matter, coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901127'] | ['We describe a class of diffeomorphism invariant SU(N) gauge theories in N^2 dimensions, together with some matter couplings. These theories have (N^2-3)(N^2-1) local degrees of freedom, and have the unusual feature that the constraint associated with time reparametrizations is identically satisfied. A related class o... | ['1999-01-26'] |
6,814 | ['eng'] | ['Becker, K', 'Becker, M'] | ['Instanton Action for Type II Hypermultiplets'] | ['Particle Physics - Theory'] | ['string model', 'supergravity', 'dimension, 11', 'dimension, 10', 'dimension, 4', 'multiplet', 'moduli space', 'instanton', 'coset space, SU(2,1)/U(2)', 'flux, quantization', 'M-theory', 'field theory, scalar', 'quaternion', 'correction, nonperturbative', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901126'] | ['We analyze the hypermultiplet moduli space describing the universal sector of type IIA theory compactified on a Calabi-Yau threefold. The classical moduli space is described in terms of the coset $SU(2,1)/U(2)$. The flux quantization condition of the antisymmetric tensor field of M-theory implies discrete identificat... | ['1999-01-26'] |
6,815 | ['eng'] | ['Deser, Stanley D', 'Jackiw, R W'] | ['Higher Derivative Chern-Simons Extensions'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 3', 'Chern-Simons term', 'derivative, high', 'effective action', 'ghost, massive', 'space-time', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901125'] | ["We study the higher-derivative extensions of the D=3 Abelian Chern--Simons topological invariant that would appear in a perturbative effective action's momentum expansion. The leading, third-derivative, extension $I_{ECS}$ turns out to be unique. It remains parity-odd but depends only on the field strength, hence no ... | ['1999-01-26'] |
6,816 | ['eng'] | ['Ennes, I P', 'Naculich, S G', 'Rhedin, H', 'Schnitzer, H J'] | ['One-instanton predictions of Seiberg-Witten curves for product groups'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)**M', 'prepotential', 'supersymmetry', 'instanton', 'matter, massless'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901124'] | ['One-instanton predictions for the prepotential are obtained from the Seiberg-Witten curve for the Coulomb branch of N=2 supersymmetric gauge theory for the product group \\prod_{n=1}^{m} SU(N_n) with a massless matter hypermultiplet in the bifundamental representation (N_n,\\bar N_{n+1}) of SU(N_n) x SU(N_{n+1}) for ... | ['1999-01-26'] |
6,817 | ['eng'] | ['Gregori, A', 'Kounnas, Costas', 'Rizos, J'] | ['Classification of the $N=2, Z_{2} x Z_{2}$-symmetric type II orbifolds and their type II asymmetric duals'] | ['Particle Physics - Theory'] | ['string model', 'orbifold', 'symmetry, Z(2) x Z(2)', 'duality', 'partition function', 'symmetry, mirror', 'helicity', 'moduli space', 'effect, Higgs', 'spectra, massless', 'operator, vertex', 'threshold, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901123'] | ['Using free world-sheet fermions, we construct and classify all the N=2, Z2 X Z2 four-dimensional orbifolds of the type IIA/B strings for which the orbifold projections act symmetrically on the left and right movers. We study the deformations of these models out of the fermionic point, deriving the partition functions... | ['1999-01-26'] |
6,818 | ['eng'] | ['Stanciu, S'] | ['D-branes in an $AdS_{3}$ background'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'space-time, anti-de Sitter', 'dimension, 10', 'Wess-Zumino-Witten model', 'supersymmetry', 'boundary condition', 'sigma model', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901122'] | ['We study the possible D-brane configurations in an AdS_3 x S^3 x T^4 background with a NS-NS B field. We use its WZW model description and the boundary state formalism to determine the N=1 supersymmetric boundary states. We compare with the corresponding classical open string sigma model. Some of these D-brane config... | ['1999-01-26'] |
6,819 | ['eng'] | ['Arutyunov, G E', 'Frolov, S'] | ['Three-point Green function of the stress-energy tensor in the AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'tensor, energy-momentum', 'vertex function', 'gravitation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901121'] | ['We compute the 3-point function of the stress-energy tensor in the $d$-dimensional CFT from the $AdS_{d+1}$ gravity. For $d=4$ the coefficients of the three linearly independent conformally covariant forms entering the 3-point function are exactly the same as given by the free field computations in the ${\\cal N}=4$ ... | ['1999-01-26'] |
6,820 | ['eng'] | ['Takasaki, K'] | ['Whitham Deformations of Seiberg-Witten Curves for Classical Gauge Groups'] | ['Particle Physics - Theory'] | ['group theory', 'gauge field theory, SU(N)', 'supersymmetry', 'Seiberg-Witten model', 'field theory, Toda', 'field theory, affine', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901120'] | ['Gorsky et al. presented an explicit construction of Whitham deformations of the Seiberg-Witten curve for the $SU(N+1)$ $\\calN = 2$ SUSY Yang-Mills theory. We extend their result to all classical gauge groups and some other cases such as the spectral curve of the $A^{(2)}_{2N}$ affine Toda Toda system. Our constructi... | ['1999-01-26'] |
6,821 | ['eng'] | ['van Nieuwenhuizen, P', 'Nojiri, S', 'Odintsov, S D'] | ['Conformal anomaly for 2d and 4d dilaton coupled spinors'] | ['Particle Physics - Theory'] | ['spinor', 'dilaton, coupling', 'dimension, 2', 'dimension, 4', 'anomaly, conformal', 'anomaly, chiral', 'effective action', 'black hole', 'supersymmetry', 'supergravity', 'Wess-Zumino term', 'radiation, Hawking', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901119'] | ['We study quantum dilaton coupled spinors in two and four dimensions. Making classical transformation of metric, dilaton coupled spinor theory is transformed to minimal spinor theory with another metric and in case of 4d spinor also in the background of the non-trivial vector field. This gives the possibility to calcu... | ['1999-01-26'] |
6,822 | ['eng'] | ['Gregori, A', 'Kounnas, Costas', 'Petropoulos, P M'] | ['Non-perturbative triality in heterotic and type II N=2 strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'spontaneous compactification, orbifold', 'triality, nonperturbative', 'prepotential', 'gravitation, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901117'] | ['The non-perturbative equivalence of four-dimensional N=2 superstrings with three vector multiplets and four hypermultiplets is analysed. These models are obtained through freely acting orbifold compactifications from the heterotic, the symmetric and the asymmetric type II strings. The heterotic scalar manifolds are (... | ['1999-01-26'] |
6,823 | ['eng'] | ['Hasiewicz, Z', 'Jaskólski, Z', 'Ostrowski, A N'] | ['Spectrum Generating Algebra and No-Ghost Theorem for Fermionic Massive String'] | ['Particle Physics - Theory'] | ['fermion, string', 'string model, massive', 'quantization', 'ghost', 'Hilbert space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901116'] | ['The covariant operator quantization of the ordinary free spinning BDH string modified by adding the supersymmetric Liouville sector is analysed in the even target space dimensions $d=2,4,6,8$. The spectrum generating algebra for this model is constructed and a general version of the no-ghost theorem is proven. A coun... | ['1999-01-26'] |
6,824 | ['eng'] | ['Hollands, S', 'Müller-Preussker, M'] | ['Definition of Magnetic Monopole Numbers for SU(N) Lattice Gauge-Higgs Models'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'lattice field theory', 'Higgs model', 'magnetic monopole, abelian', 'charge, magnetic', 'lattice field theory, simplex'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901114'] | ['A geometric definition for a magnetic charge of Abelian monopoles in SU(N) lattice gauge theories with Higgs fields is presented. The corresponding local monopole number defined for almost all field configurations does not require gauge fixing and is stable against small perturbations. Its topological content is that... | ['1999-01-26'] |
6,825 | ['eng'] | ['Konopelchenko, B G', 'Landolfi, G'] | ['On rigid string instantons in four dimensions'] | ['Particle Physics - Theory'] | ['string model', 'instanton', 'surface'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901113'] | ['Generalized Weierstrass formulae for surfaces in four-dimensional space is shown that such configurations are given by superminimal immersions into Particular classes of surfaces are also analyzed.'] | ['1999-01-26'] |
6,826 | ['eng'] | ['Soloviev, V O'] | ["Bering's proposal for boundary contribution to the Poisson bracket"] | ['Particle Physics - Theory'] | ['Poisson bracket', 'field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901112'] | ['It is shown that the Poisson bracket with boundary terms recently proposed by Bering (hep-th/9806249) can be deduced from the Poisson bracket proposed by the present author (hep-th/9305133) if one omits terms free of Euler-Lagrange derivatives ("annihilation principle"). This corresponds to another definition of the ... | ['1999-01-26'] |
6,827 | ['eng'] | ['Dvali, G', 'Shifman, M'] | ['Surviving on the Slope'] | ['Particle Physics - Theory'] | ['supersymmetry', 'vacuum state', 'gauge field theory, SU(2)', 'symmetry, spontaneously broken', 'soliton, BPS', 'central charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901111'] | ['In supersymmetric models with the run-away vacua or with the stable but non-supersymmetric ground state there exist stable field configurations (vacua) which restore one half of supersymmetry and are characterized by constant positive energy density. The formal foundation for such vacua is provided by the central ext... | ['1999-01-25'] |
6,828 | ['eng'] | ['Paston, S A', 'Franke, V A'] | ['Comparison of quantum field perturbation theory for the light front with the theory in Lorentz coordinates'] | ['Particle Physics - Theory'] | ['quantization, light front', 'perturbation theory', 'invariance, Lorentz', 'regularization', 'model, Yukawa', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901110'] | ['The relationship between the perturbation theory in light-front coordinates and Lorentz-covariant perturbation theory is investigated. A method for finding the difference between separate terms of the corresponding series without their explicit evaluation is proposed. A procedure of constructing additional counter-te... | ['1999-01-25'] |
6,829 | ['eng'] | ['Appelquist, Thomas W', 'Cohen, Andrew G', 'Schmaltz, M'] | ['A New Constraint on Strongly Coupled Field Theories'] | ['Particle Physics - Theory'] | ['strong coupling', 'gauge field theory, SU(N)', 'supersymmetry', 'renormalization group, c-function', 'gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'dimension, 4', 'quantum electrodynamics', 'dimension, 3', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901109'] | ['We propose a new constraint on the structure of strongly coupled field theories. The constraint takes the form of an inequality limiting the number of degrees of freedom in the infrared description of a theory relative to the number of underlying, ultraviolet degrees of freedom. We apply the inequality to a variety o... | ['1999-01-25'] |
6,830 | ['eng'] | ['Ouyang, P', 'Mohta, V', 'Jaffe, R L'] | ['Dirac Particles in Twisted Tubes'] | ['Particle Physics - Theory'] | ['particle, Dirac', 'relativistic', 'boundary condition', 'angular momentum', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901108'] | ["We consider the dynamics of a relativistic Dirac particle constrained to move in the interior of a twisted tube by confining boundary conditions, in the approximation that the curvature of the tube is small and slowly varying. In contrast with the nonrelativistic theory, which predicts that a particle's spin does not... | ['1999-01-25'] |
6,831 | ['eng'] | ['Bak, D', 'Hashimoto, K', 'Lee, B H', 'Min, H', 'Sasakura, N'] | ['Moduli Space Dimensions of Multi-Pronged Strings'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'string model', 'zero mode', 'moduli space', 'soliton, BPS'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901107'] | ['The numbers of bosonic and fermionic zero modes of multi-pronged strings are counted in ${\\cal N}=4$ super-Yang-Mills theory and compared with those of the IIB string theory. We obtain a nice agreement for the fermionic zero modes, while our result for the bosonic zero modes differs from that obtained in the IIB str... | ['1999-01-25'] |
6,832 | ['eng'] | ['Zarembo, K'] | ['Coleman-Weinberg Mechanism and Interaction of D3-Branes in Type 0 String Theory'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, interaction', 'effective potential, Coleman-Weinberg', 'gauge field theory, Yang-Mills', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901106'] | ['The low-energy theory on the world volume of parallel static D3-branes of type 0 strings is the Yang-Mills theory with six scalar fields in the adjoint representation. One-loop corrections in this theory induce Coleman-Weinberg effective potential, which can be interpreted as an interaction energy of D3-branes. The p... | ['1999-01-25'] |
6,833 | ['eng'] | ['Hyun, S', 'Kiem, Y H', 'Shin, H'] | ['Non-perturbative membrane spin-orbit couplings in M/IIA theory'] | ['Particle Physics - Theory'] | ['M-theory', 'quantization, light cone', 'discrete', 'spontaneous compactification, torus', 'effective action', 'gauge field theory, Yang-Mills', 'supersymmetry', 'spin, orbit', 'membrane model, coupling', 'space-time, anti-de Sitter', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901105'] | ['Membrane source-probe dynamics is investigated in the framework of the finite N-sector DLCQ M theory compactified on a two-torus for an arbitrary eleventh circle size. The non-perturbative two fermion terms in the one-loop effective action of the matrix theory, the (2+1)-dimensional supersymmetric Yang-Mills theory, ... | ['1999-01-25'] |
6,834 | ['eng'] | ['Nishino, H'] | ['Twelve-Dimensional Supersymmetric Gauge Theory as the Large N Limit'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'dimension, 10', 'expansion 1/N', 'supersymmetry', 'dimension, 12', 'duality', 'superspace', 'dimensional reduction', 'dimension, 3', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901104'] | ["Starting with the ordinary ten-dimensional supersymmetric Yang-Mills theory for the gauge group U(N), we obtain a twelve-dimensional supersymmetric gauge theory as the large N limit. The two symplectic canonical coordinates parametrizing the unitary N X N matrices for U(N) are identified with the extra coordinates in... | ['1999-01-22'] |
6,835 | ['eng'] | ['Clark, T E', 'Love, S T'] | ['The Effective Kähler Potential And Extra Space-Time Dimensions'] | ['Particle Physics - Theory'] | ['effective potential, Kaehler', 'gauge field theory, abelian', 'supersymmetry', 'renormalization group', 'dimension, 5', 'radiative correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901103'] | ['The effects of extra space-time dimensions on the Wilsonian effective are determined within the framework of an Abelian gauge theory with N=2 supersymmetric field content. The relation between the Kähler metric and the effective gauge couplings which leads to the absence of radiative corrections to the Kähler potenti... | ['1999-01-22'] |
6,836 | ['eng'] | ['Townsend, P K'] | ['Killing spinors, supersymmetries and rotating intersecting branes'] | ['Particle Physics - Theory'] | ['talk, Goteborg 1998/08/20', 'spinor, Killing', 'supersymmetry, algebra', 'membrane model', 'supergravity', 'space-time, anti-de Sitter', 'black hole', 'angular momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901102'] | ["I review a recently proposed method for determining the symmetry superalgebra of a supergravity configuration from its Killing spinors, and its application to the `near-horizon' limits of various rotating and intersecting branes."] | ['1999-01-22'] |
6,837 | ['eng'] | ['Klebanov, Igor R', 'Tseytlin, Arkady A'] | ['A Non-supersymmetric Large N CFT from Type 0 String Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'string model', 'expansion 1/N', 'space-time, anti-de Sitter', 'dimension, 10', 'duality', 'membrane model, D-brane', 'gauge field theory, SU(N) x SU(N)', 'renormalization, beta function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901101'] | ['We show that type 0B theory has a classical AdS_5 x S^5 solution and argue that it is stable at the string-theory level for small enough radius. The dual 4-d conformal field theory is the infrared limit of the theory on N electric D3-branes coincident with N magnetic D3-branes. We explicitly construct this SU(N) x SU... | ['1999-01-22'] |
6,838 | ['eng'] | ['Borasoy, B', 'Lee, D'] | ['Spherical gauge fields'] | ['Particle Physics - Theory'] | ['gauge field theory', 'dimension, 2', 'partial wave, sphere', 'Hamiltonian formalism', 'gauge fixing', 'two-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901100'] | ['We introduce the spherical field formalism for free gauge fields. We discuss the structure of the spherical Hamiltonian for both general covariant gauge and radial gauge and point out several new features not present in the scalar field case. We then use the evolution equations to compute gauge-field and field-streng... | ['1999-01-22'] |
6,839 | ['eng'] | ['Kreimer, D'] | ["Chen's Iterated Integral represents the Operator Product Expansion"] | ['Particle Physics - Theory'] | ['renormalization', 'operator product expansion', 'renormalization group', 'cohomology', 'algebra, Hopf', 'Feynman graph', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901099', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ["The recently discovered formalism underlying renormalization theory, the Hopf algebra of rooted trees, allows to generalize Chen's lemma. In its generalized form it describes the change of a scale in Green functions, and hence relates to the operator product expansion. Hand in hand with this generalization goes the g... | ['1999-01-22'] |
6,840 | ['eng'] | ['Leontaris, George K', 'Rizos, J'] | ['N=1 supersymmetric $SU(4) x SU(2)_{L} x SU(2)_{R}$ effective theory from the weakly coupled heterotic superstring'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'supersymmetry', 'gauge field theory, SU(4) x SU(2) x SU(2)', 'hidden symmetry, SU(8)', 'symmetry breaking', 'vacuum state', 'potential, flat direction', 'effect, Higgs', 'mass spectrum', 'renormalization group', 'symmetry, U(1)', 'hypercharge', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901098'] | ['In the context of the free-fermionic formulation of the heterotic superstring, we construct a three generation N=1 supersymmetric SU(4)xSU(2)LxSU(2)R model supplemented by an SU(8) hidden gauge symmetry and five Abelian factors. The symmetry breaking to the standard model is achieved using vacuum expectation values o... | ['1999-01-22'] |
6,841 | ['eng'] | ['Baleanu, D', 'Güler, Y'] | ['Hamilton-Jacobi treatment of fields with constraints'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'path integral', 'Hamilton-Jacobi equation', 'integrability', 'gauge field theory, Proca'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901097'] | ["In this paper the $Guler's$ formalism for the systems with finite degrees of freedom is applied to the field theories with constraints. The integrability conditions are investigated and the path integral quantization is performed using the action given by Hamilton-Jacobi formulation. The Proca's model is investigated... | ['1999-01-22'] |
6,842 | ['eng'] | ['Kleihaus, B'] | ['On the regularity of static axially symmetric solutions in SU(2) Yang-Mills-dilaton theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'dilaton', 'field equations, solution', 'symmetry, axial', 'analytic properties', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901096'] | ['The regularity of static axially symmetric solutions in SU(2) Yang-Mills-dilaton theory is examined. We show that the solutions obtained previously within a singular Ansatz for the non-abelian gauge field can be gauge transformed into a regular form. The local form of the gauge transformation is given on the singular... | ['1999-01-22'] |
6,843 | ['eng'] | ['Kallosh, R'] | ['Black Holes, Branes and Superconformal Symmetry'] | ['Particle Physics - Theory'] | ['talk, Corfu 1998/09/21', 'supersymmetry', 'supergravity', 'boson, background', 'space-time, anti-de Sitter', 'membrane model', 'superspace, horizon', 'symmetry, conformal', 'kappa symmetry', 'gauge fixing', 'string model', 'gauge field theory, Yang-Mills', 'black hole', 'mechanics, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901095'] | ['The main focus of this lecture is on extended objects in adS*S bosonic backgrounds with unbroken supersymmetry. The backgrounds are argued to be exact, special consideration are given to the non-maximal supersymmetry case. The near horizon superspace construction is explained. The superconformal symmetry appears in t... | ['1999-01-22'] |
6,844 | ['eng'] | ['Manvelian, R P', 'Mkrtchyan, R L', 'Müller-Kirsten, H J W'] | ['On Different Formulations of Chiral Bosons'] | ['Particle Physics - Theory'] | ['boson, chiral', 'field theory, tensor', 'duality', 'supergravity', 'supersymmetry, algebra', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901084'] | ['It is shown, that recently constructed PST Lagrangians for chiral supergravities follow directly from earlier Kavalov-Mkrtchyan Lagrangians by an Ansatz for the $\\theta $ tensor by expressing this in terms of the PST scalar. The susy algebra which included earlier $\\alpha$-symmetry in the commutator of supersymmetr... | ['1999-01-20'] |
6,845 | ['eng'] | ['Baleanu, D', 'Güler, Y'] | ['Quantization of Floreanini-Jackiw chiral harmonic oscillator'] | ['Particle Physics - Theory'] | ['oscillator, chiral', 'quantization', 'path integral', 'Hamilton-Jacobi equation', 'constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901082'] | ["The Floreanini-Jackiw formulation for the chiral quantum-mechanical system oscillator is a model of constrained theory with only second-class constraints. in the Dirac's classification.The covariant quantization needs an infinit number of auxiliary variables and a Wess-Zumino term. In this paper we investigate the pa... | ['1999-01-20'] |
6,846 | ['eng'] | ['Sheikh-Jabbari, S'] | ['Open Strings in a B-field Background as Electric Dipoles'] | ['Particle Physics - Theory'] | ['membrane model', 'string model', 'dipole, electric', 'gauge field theory, U(1)', 'dimension, 10', 'background field', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901080'] | ['Studying dynamics of open strings attached to a D2-brane in a NS two form field background, we find that these open strings act as dipoles of U(1) gauge field of the brane. This provides an string theoretic description of the flux modifications needed for the DBI action on noncommutative torus.'] | ['1999-01-20'] |
6,847 | ['eng'] | ['Susskind, Leonard'] | ['Holography in the Flat Space Limit'] | ['Particle Physics - Theory'] | ['holography', 'space-time, anti-de Sitter', 'field theory, conformal', 'duality', 'string model, nonperturbative', 'matrix model', 'coherence, length', 'instanton', 'talk, Montreal 1999/06/10'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901079'] | ['Matrix theory and the AdS/CFT correspondence provide nonperturbative holographic formulations of string theory. In both cases the finite N theories can be thought of as infrared regulated versions of flat space string theory in which removing the cutoff is equivalent to letting N go to infinity. In this paper we cons... | ['1999-01-20'] |
6,848 | ['eng'] | ['Konechny, A', 'Schwarz, A'] | ['Supersymmetry algebra and BPS states of super Yang-Mills theories on noncommutative tori'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'gauge field theory, Yang-Mills', 'dimension, 10', 'torus, noncommutative', 'spectra, BPS', 'symmetry, SO(N,N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901077'] | ['We consider 10-dimensional super Yang-Mills theory with topological terms compactified on a noncommutative torus. We calculate supersymmetry algebra and derive BPS energy spectra from it. The cases of d-dimensional tori with d=2,3,4 are considered in full detail. SO(d,d|Z)-invariance of the BPS spectrum and relation ... | ['1999-01-19'] |
6,849 | ['eng'] | ['Polchinski, Joseph'] | ['S-Matrices from AdS Spacetime'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'S-matrix', 'expansion 1/N', 'gauge field theory, SU(N)', 'dimension, 4', 'string model', 'dimension, 10', 'duality', 'WKB approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901076'] | ['In the large-N limit of d=4, N=4 gauge theory, the dual AdS spacetime becomes flat. We identify a gauge theory correlator whose large-N limit is the flat spacetime S-matrix.'] | ['1999-01-19'] |
6,850 | ['eng'] | ['Singer, M', 'Sutcliffe, P M'] | ['Symmetric Instantons and Skyrme Fields'] | ['Particle Physics - Theory'] | ['Skyrmion, scattering', 'instanton', 'charge, 7', 'symmetry, SU(2)', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901075'] | ['By explicit construction of the ADHM data, we prove the existence of a charge seven instanton with icosahedral symmetry. By computing the holonomy of this instanton we obtain a Skyrme field which approximates the minimal energy charge seven Skyrmion. We also present a one parameter family of tetrahedrally symmetric i... | ['1999-01-19'] |
6,851 | ['eng'] | ['Alfaro, J', 'Dobado, A', 'Espriu, Doménec'] | ['Chiral lagrangians and the QCD string'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'effective action', 'effective Lagrangian, chiral', 'pi pi, scattering amplitude', 'Regge poles', 'sigma model, nonlinear', 'string model', 'perturbation theory, higher-order', 'higher-order, 2', 'invariance, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901074'] | ['We propose a method to derive the low-energy efective action of QCD assuming that the long-distance properties of strong interactions can be described by a string theory. We bypass the usual problems related to the existence of the tachyon and absence of the adequate Adler zero by using a sigma model approach where e... | ['1999-01-19'] |
6,852 | ['eng'] | ['Grandi, N E', 'Moreno, E F', 'Schaposnik, F A'] | ['Monopoles in non-Abelian Dirac-Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'Higgs model', 'field equations, monopole', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901073'] | ['We investigate monopole solutions for the Born-Infeld Higgs system. We analyze numerically these solutions and compare them with the standard \'t Hooft-Polyakov monopoles. We also discuss the existence of a critical value of beta (the Born-Infeld "absolute field parameter") below which no regular solution exists.'] | ['1999-01-19'] |
6,853 | ['eng'] | ['Baker, L', 'Fairlie, David B'] | ['Moyal Nahm Equations'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field equations, instanton', 'dimension, 3', 'dimension, 7'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901072'] | ['Various aspects of the Nahm equations in 3 and 7 dimensions are investigated. The residues of the variables at simple poles in the 7-dimensional case form an algebra. A large class of matrix representations of this algebra is constructed. The large $N$ limit of these equations is taken by replacing the commutators by... | ['1999-01-19'] |
6,854 | ['eng'] | ['Saller, H'] | ['Representations of Spacetime as Unitary Operation Classes or Against the Monoculture of Particle Fields'] | ['Particle Physics - Theory'] | ['space-time, transformation', 'group theory, representation', 'field equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901071'] | ['Spacetime is modelled as a homogeneous manifold given by the classes of unitary $\\U(2)$ operations in the general complex operations $\\GL(\\C^2)$. The residual representations of this noncompact symmetric space of rank two are characterized by two continuous real invariants, one invariant interpreted as a particle ... | ['1999-01-19'] |
6,855 | ['eng'] | ['Walker, M L', 'Burden, C J'] | ['Chiral Symmetry in Supersymmetric Three Dimensional Quantum Electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'supersymmetry', 'symmetry breaking, chiral', 'mass generation', 'effective potential', 'Dyson-Schwinger equation', 'Ward identity', 'approximation, quenching', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901070'] | ['We describe the investigation of spontaneous mass-generation and chiral symmetry breaking in supersymmetric QED3 using numerical solutions of the Dyson-Schwinger equation together with the CJT effective action and supersymmetric Ward identities. We find that, within the quenched bare approximation, the chirally symme... | ['1999-01-19'] |
6,856 | ['eng'] | ['Freidel, L', 'Krasnov, K V', 'Puzio, R S'] | ['BF Description of Higher-Dimensional Gravity Theories'] | ['Particle Physics - Theory'] | ['gravitation, higher-dimensional', 'field theory, BF', 'field theory, action', 'quantization', 'spin, foam', 'algebra, SO(N)', 'algebra, representation', 'constraint', 'transformation, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901069', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ["It is well known that, in the first-order formalism, pure three-dimensional gravity is just the BF theory. Similarly, four-dimensional general relativity can be formulated as BF theory with an additional constraint term added to the Lagrangian. In this paper we show that the same is true for all higher-dimensional gr... | ['1999-01-19'] |
6,857 | ['eng'] | ['Azcoiti, V', 'Galante, A'] | ['Parity and CT realization in QCD'] | ['Particle Physics - Theory'] | ['gauge field theory', 'parity, violation', 'symmetry, spontaneously broken', 'vacuum state', 'energy, density'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901068'] | ["We show that an essential assumption in the Vafa and Witten's theorem on P and CT realization in vector-like theories, the existence of a free energy density in Euclidean space in the presence of any external hermitian symmetry breaking source, does not apply if the symmetry is spontaneously broken. The assumption th... | ['1999-01-19'] |
6,858 | ['eng'] | ['Uvarov, D V', 'Zheltukhin, A A'] | ['N=2 Massive superparticle'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'particle, massive', 'supersymmetry, superfield', 'Hamiltonian formalism', 'constraint', 'symmetry, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901067'] | ["The electromagnetic interaction of massive superparticles with N=2 extended Maxwell supermultiplet is studied. It is proved that the minimal coupling breaks the k-symmetry. A non-minimal k-symmetric action is built and it is established that the k-symmetry uniquely fixes the value of the superparticle's anomalous mag... | ['1999-01-19'] |
6,859 | ['eng'] | ['Fernando, S', 'Mansouri, F'] | ['Black Holes and Super Black Holes as Chern Simons Theories in 2+1 Dimensions'] | ['Particle Physics - Theory'] | ['talk, Goeteborg 1998/08/20', 'black hole', 'space-time, anti-de Sitter', 'dimension, 3', 'algebra, SO(2,2)', 'gauge field theory', 'Chern-Simons term', 'supersymmetry', 'black hole, multiplet', 'black hole, mass', 'black hole, angular momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901066'] | ['We study anti-de Sitter black holes in 2+1 dimensions in terms of Chern Simons gauge theory of the anti-de Sitter group coupled to a Source. Taking the source to be an anti-de Sitter state specified by its Casimir invariants, we show how all the relevant features of the black hole are accounted for. Enlarging the gau... | ['1999-01-18'] |
6,860 | ['eng'] | ['Barbashov, B M', 'Pestov, A B'] | ['Possible Physical Manifestation of the Weyl Non-Abelian Gauge Field'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'invariance, Weyl', 'differential geometry', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901065'] | ['On the basis of the Weyl equations of congruent transference, we consider a possible influence of the Weyl non-Abelian gauge field defining the transference on the precession of a gyroscope. Plane-wave solutions to the equations of the non-Abelian gauge field are derived.'] | ['1999-01-18'] |
6,861 | ['eng'] | ['Brandt, F', 'Theis, U'] | ['Supersymmetrization of generalized Freedman-Townsend models'] | ['Particle Physics - Theory'] | ['talk, Buckow 1998/09/01', 'field theory, tensor', 'supersymmetry', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901064'] | ['We review briefly generalized Freedman-Townsend models found recently by Henneaux and Knaepen, and provide supersymmetric versions of such models in four dimensions which couple 2-form gauge potentials and ordinary gauge fields in a gauge invariant and supersymmetric manner. The latter models have the unusual feature... | ['1999-01-18'] |
6,862 | ['eng'] | ['Litim, Daniel F', 'Pawlowski, J M'] | ['On Gauge Invariant Wilsonian Flows'] | ['Particle Physics - Theory'] | ['talk, Faro 1998/09/10', 'gauge field theory, Yang-Mills', 'renormalization group, transformation', 'Wilson loop', 'dependence, gauge', 'finite temperature', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901063'] | ['We investigate non-Abelian gauge theories within a Wilsonian Renormalisation Group approach. Our main question is: How close can one get to a gauge invariant flow, despite the fact that a Wilsonian coarse-graining seems to be incompatible with gauge invariance? We discuss the possible options in the case of quantum f... | ['1999-01-18'] |
6,863 | ['eng'] | ['Trodden, M'] | ['Dirichlet Solitons in Field Theories'] | ['Particle Physics - Theory'] | ['talk, Monterey 1998/11/15', 'field theory, scalar', 'symmetry, U(1)', 'soliton', 'topology, defect'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901062'] | ["I briefly describe a new class of soliton configurations in field theories. These consist of topological defects which can end when they intersect other defects of equal or higher dimensionality. Such configurations may be termed ``Dirichlet topological defects'', in analogy with the D-branes of string theory. I prov... | ['1999-01-18'] |
6,864 | ['eng'] | ['Ramadevi, P', 'Naik, S'] | ["Computation of Lickorish's Three Manifold Invariants using Chern-Simons Theory"] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Chern-Simons term', 'dimension, 3', 'knot theory', 'braid group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901061'] | ["It is well known that any three-manifold can be obtained by surgery on a framed link in $S^3$. Lickorish gave an elementary proof for the existence of the three-manifold invariants of Witten using a framed link description of the manifold and the formalisation of the bracket polynomial as the Temperley-Lieb Algebra. ... | ['1999-01-18'] |
6,865 | ['eng'] | ['Craps, B', 'Gomis, J P', 'Mateos, D', 'Van Proeyen, A'] | ['BPS solutions of a D5-brane worldvolume in a D3-brane background from superalgebras'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, D-brane', 'p-brane, 5', 'p-brane, 3', 'background field', 'soliton, BPS', 'supersymmetry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901060'] | ["The BPS method is used to find BPS solutions of the worldvolume theory of a D5-brane in the near horizon geometry of a D3-brane. The BPS bound is interpreted in terms of the `maximally extended' D5 worldvolume supersymmetry algebra in the corresponding curved background, which is OSp(1|16). This algebra is an extensi... | ['1999-01-18'] |
6,866 | ['eng'] | ['Acatrinei, C S', 'Fabbrichesi, Marco E', 'Iengo, R'] | ['D-particles in the space-time of the shock wave'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'particle, relativistic', 'particle, D-particle', 'space-time', 'model, oscillator', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901059'] | ["We study the interaction of two D-particles in the space-time of the shock wave. We first write the amplitude in string theory and find that, at large distances from the shock-wave source, the O(v^4) term in the relative velocity v is an \\alpha'-independent function of the interbrane separation b. The amplitude is t... | ['1999-01-15'] |
6,867 | ['eng'] | ['Kalinin, D A'] | ['On Quantization of Polynomial Momentum Observables'] | ['Particle Physics - Theory'] | ['quantization, geometrical', 'Hamiltonian formalism', 'phase space', 'space-time', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901058'] | ['The paper is devoted to quantization of polynomial momentum observables in the cotangent bundle of a smooth manifold. A quantization procedure is proposed allowing to quantize a wide class of functions which are polynomials of any order in momenta. In the last part of the paper the quantum mechanics of scalar particl... | ['1999-01-15'] |
6,868 | ['eng'] | ['Greensite, J', 'Olesen, P'] | ['Worldsheet Fluctuations and the Heavy Quark Potential in the AdS/CFT Approach'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'gauge field theory, SU(N)', 'dimension, 3', 'field theory, planar', 'fluctuation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901057'] | ['We consider contributions to the heavy quark potential, in the AdS/CFT approach to SU(N) gauge theory, which arise from first order fluctuations of the associated worldsheet in anti-deSitter space. The gaussian fluctuations occur around a classical worldsheet configuration resembling an infinite square well, with the... | ['1999-01-15'] |
6,869 | ['eng'] | ['Russo, Jorge G', 'Sfetsos, K'] | ['Rotating D3 branes and QCD in three dimensions'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, rotator', 'gauge field theory, SU(N)', 'dimension, 3', 'glueball, mass', 'WKB approximation', 'temperature, Hawking', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901056', 'http://pascal.intlpress.com/journals/ATMP/archive/'] | ["We investigate the rotating D3 brane solution with maximum number of angular momentum parameters. After determining the angular velocities, Hawking temperature, ADM mass and entropy, we use this geometry to construct general three-parameter models of non-supersymmetric pure SU(N) Yang-Mills theories in 2+1 dimensions... | ['1999-01-14'] |
6,870 | ['eng'] | ['Bergshoeff, E A', 'De Roo, M', 'Janssen, B', 'Ortín, Tomas'] | ['The Super D9-Brane and its Truncations'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'D-brane, 9', 'supersymmetry', 'astrophysics, fundamental constant', 'supergravity', 'Wess-Zumino term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901055'] | ["We consider two inequivalent truncations of the super D9--brane: the ``Heterotic'' and the ``Type I'' truncation. Both of them lead to an N=1 nonlinear supersymmetrization of the D=10 cosmological constant. The propagating degrees of freedom in the Heterotic and Type I truncation are given by the components of a D=10... | ['1999-01-14'] |
6,871 | ['eng'] | ['Bytsenko, A A', 'Gonçalves, A E', 'Martins-Simões, J A', 'Williams, F L'] | ['Anomalies and Analytic Torsion on Hyperbolic Manifolds'] | ['Particle Physics - Theory'] | ['operator, differential', 'zeta function', 'torsion', 'anomaly', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901054'] | ['The global additive and multiplicative properties of the Laplacian on j-forms and related zeta functions are analyzed. The explicit form of zeta functions on a product of closed oriented hyperbolic manifolds \\Gamma\\backslash{\\Bbb H}^d and of the multiplicative anomaly are derived. We also calculate in an explicit ... | ['1999-01-14'] |
6,872 | ['eng'] | ['Billó, M', 'Caselle, M', "D'Adda, A", 'Provero, P'] | ['2D Yang-Mills Theory as a Matrix String Theory'] | ['Particle Physics - Theory'] | ['talk, Corfu 1998/09/21', 'gauge field theory, Yang-Mills', 'dimension, 2', 'string model', 'space-time, torus', 'invariance, modular', 'duality', 'matrix model', 'partition function', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901053'] | ['Quantization of two-dimensional Yang-Mills theory on a torus in the gauge where the field strength is diagonal leads to twisted sectors that are completely analogous to the ones that originate long string states in Matrix String Theory. If these sectors are taken into account the partition function is different from ... | ['1999-01-14'] |
6,873 | ['eng'] | ['Lucchesi, C'] | ['Finite-temperature supersymmetry as a constrained supergravity'] | ['Particle Physics - Theory'] | ['talk, Copenhagen 1998/12/02', 'supersymmetry, charge', 'finite temperature', 'superfield', 'supergravity', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901052'] | ['We introduce thermal superspace and show how it can be used to reconcile the superfield formulation of supersymmetry with finite temperature environments'] | ['1999-01-14'] |
6,874 | ['eng'] | ['Ghosh, S'] | ['Bosonization and Duality in 2+1-Dimensions'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'dimension, 3', 'gauge field theory, abelian', 'duality', 'bosonization', 'Chern-Simons term', 'two-point function', 'path integral', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901051'] | ['Bosonization of the gauged, massive Thirring model in 2+1-dimensions produces a Maxwell-Chern-Simons gauge theory, coupled to a dynamical, massive vector field. Exploiting the Master Lagrangian formalism, two dual theories are constructed, one of them being a gauge theory. The full two-point functions of both the int... | ['1999-01-14'] |
6,875 | ['eng'] | ['Skenderis, K'] | ['Black holes and branes in string theory'] | ['Particle Physics - Theory'] | ['talk, Polanica 1999/02/02', 'lectures, Erice 1998/29/09', 'black hole', 'string model', 'duality', 'membrane model, p-brane', 'supersymmetry', 'dimension, 4', 'dimension, 5', 'field theory, conformal', 'space-time, anti-de Sitter', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901050'] | ["This is a set of introductory lecture notes on black holes in string theory. After reviewing some aspects of string theory such as dualities, brane solutions, supersymmetric and non-extremal intersection rules, we analyze in detail extremal and non-extremal 5d black holes. We first present the D-brane counting for ex... | ['1999-01-14'] |
6,876 | ['eng'] | ['Matsuyama, T', 'Nagahiro, H', 'Uchida, S I'] | ['A dynamical mass generation of a two-component fermion in the Maxwell-Chern-Simons $QED_3'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'Chern-Simons term', 'fermion, mass generation', 'ladder approximation', 'Dyson-Schwinger equation, solution', 'renormalization, wave function', 'mass, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901049'] | ['A dynamical mass generation of a two-component fermion in $QED_3$ with the Chern-Simons term is investigated by solving the Schwinger-Dyson equation formulated in the lowest ladder approximation. Dependence of the dynamical fermion mass on the gauge-fixing parameter, the gauge coupling constant, and the topological m... | ['1999-01-14'] |
6,877 | ['eng'] | ['Gimon, E G', 'Popescu, C C'] | ['The Operator Spectrum of the Six-dimensional (1,0) Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'symmetry, chiral', 'supersymmetry', 'dimension, 6', 'expansion 1/N', 'symmetry, E(8)', 'space-time, anti-de Sitter', 'orbifold', 'supergravity', 'dimension, 11', 'M-theory', 'multiplet', 'group theory, OSp(6,2|2)', 'operator, spectra', 'oscillator', 'Kaluza-Klein model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901048'] | ['We study the large N operator spectrum of the (1,0) superconformal chiral six-dimensional theory with E_8 global symmetry. This spectrum is dual to the Kaluza-Klein spectrum of supergravity on AdS_7 X S^4/Z_2 with a ten-dimensional E_8 theory at its singular locus. We identify those operators in short multiplets of O... | ['1999-01-13'] |
6,878 | ['eng'] | ['Kholodenko, A L'] | ['Use of Quadratic Differentials for Description of Defects and Textures in Liquid Crystals and 2+1 Gravity'] | ['Particle Physics - Theory'] | ['crystal, liquid', 'topology, defect', 'texture', 'gravitation', 'dimension, 3', 'knot theory', 'string model', 'differential forms', 'energy, surface', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901047'] | ["The theory of measured foliations which is discussed in PartI(hep-th/9901040) in connection with train tracks and meanders is shown to be related to the theory of Jenkins-Strebel quadratic differentials by Hubbard and Masur (Acta Math.Vol.142,221(1979)). Use of quadratic differentials not only provides an adequate de... | ['1999-01-13'] |
6,879 | ['eng'] | ['Grigoriev, M A'] | ['A Lie Group Structure Underlying the Triplectic Geometry'] | ['Particle Physics - Theory'] | ['geometry, symplectic', 'group theory, Lie', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901046'] | ['We consider the pair of degenerate compatible antibrackets satisfying a generalization of the axioms imposed in the triplectic quantization of gauge theories. We show that this actually encodes a Lie group structure, with the antibrackets being related to the left- and right- invariant vector fields on the group. The... | ['1999-01-13'] |
6,880 | ['eng'] | ['Kaloper, N', 'Myers, R C'] | ['The O(dd) Story of Massive Supergravity'] | ['Particle Physics - Theory'] | ['supergravity, massive', 'gauge field theory, Yang-Mills', 'string model, heterotic', 'space-time, torus', 'Kaluza-Klein model', 'effective action', 'symmetry, O(N,M)', 'duality, transformation', 'potential, scalar', 'axion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901045'] | ['The low energy effective action describing the standard Kaluza-Klein reduction of heterotic string theory on a $d$-torus possesses a manifest $O(d,d+16)$ symmetry. We consider generalized Scherk-Schwarz reductions of the heterotic string to construct massive gauged supergravities. We show that the resulting action ca... | ['1999-01-13'] |
6,881 | ['eng'] | ['Brustein, Ram', 'Madden, R'] | ['Classical Corrections in String Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, string', 'correction, classical', 'dilaton', 'duality', 'field theory, conformal', 'effective action', 'fixed point', 'inflationary universe'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901044'] | ["An important element in a model of non-singular string cosmology is a phase in which classical corrections saturate the growth of curvature in a deSitter-like phase with a linearly growing dilaton (an `algebraic fixed point'). As the form of the classical corrections is not well known, here we look for evidence, base... | ['1999-01-13'] |
6,882 | ['eng'] | ['Flato, M', 'Frønsdal, Christian', 'Sternheimer, D'] | ['Singleton physics'] | ['Particle Physics - Theory'] | ['singleton', 'particle, model', 'space-time, anti-de Sitter', 'model, composite', 'group theory, representation', 'field theory, conformal', 'boundary condition', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901043'] | ['We review the developments in the past twenty years (which are based on our deformation philosophy of physical theories) dealing with elementary particles composed of singletons in anti De Sitter space-time. The study starts with the kinematical aspects (especially for massless particles) and extends to the beginning... | ['1999-01-13'] |
6,883 | ['eng'] | ['Gukov, S G'] | ['K-Theory, Reality, and Orientifolds'] | ['Particle Physics - Theory'] | ['string model', 'orientifold', 'membrane model, D-brane', 'duality', 'charge', 'K-theory', 'monodromy', 'gauge field theory', 'operator, Dirac', 'algebra, Clifford'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901042'] | ['We use equivariant K-theory to classify charges of new (possibly non-supersymmetric) states localized on various orientifolds in Type II string theory. We also comment on the stringy construction of new D-branes and demonstrate the discrete electric-magnetic duality in Type I brane systems with p+q=7, as proposed by ... | ['1999-01-13'] |
6,884 | ['eng'] | ['Karch, A', 'Lüst, Dieter', 'Miemiec, A'] | ['New N=1 Superconformal Field Theories and their Supergravity Description'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'supergravity', 'gauge field theory, Yang-Mills', 'mass, deformation', 'fixed point', 'string model', 'space-time, anti-de Sitter', 'space-time, sphere', 'dimension, 10', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901041'] | ['In this note we construct a new class of superconformal field theories as mass deformed N=4 super Yang-Mills theories. We will argue that these theories correspond to the fixed points which were recently found by Khavaev, Pilch and Warner studying the deformations of the dual IIB string theory on AdS_5\\times S^5.'] | ['1999-01-12'] |
6,885 | ['eng'] | ['Kholodenko, A L'] | ['Use of meanders and train tracks for description of defects and textures in liquid crystals and 2+1 gravity'] | ['Particle Physics - Theory'] | ['topology, defect', 'astrophysics, texture', 'crystal, liquid', 'gravitation', 'dimension, 3', 'master equation', 'Wheeler-DeWitt equation', 'critical phenomena', 'dimension, 2', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901040'] | ['In this work(PartI)the qualitative analysis of statics and dynamics of defects and textures in liquid crystals is performed with help of meanders and train tracks. It is argued that similar analysis can be applied to 2+1 gravity. More rigorous justifications are presentedin the companion paper (PartII).Meanders were ... | ['1999-01-12'] |
6,886 | ['eng'] | ['Cornwall, J M'] | ['Center Vortices, Nexuses, and the Georgi-Glashow Model'] | ['Particle Physics - Theory'] | ['Georgi-Glashow model', 'gauge field theory, SU(2)', 'dimension, 3', 'confinement', 'magnetic monopole, condensation', 'gauge boson, mass generation', 'soliton', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901039'] | ["In a gauge theory with no Higgs fields the mechanism for confinement is by center vortices, but in theories with adjoint Higgs fields and generic symmetry breaking, such as the Georgi-Glashow model, Polyakov showed that in d=3 confinement arises via a condensate of 't Hooft-Polyakov monopoles. We study the connection... | ['1999-01-12'] |
6,887 | ['eng'] | ['Hübsch, T'] | ['Haploid (2,2)-Superfields In 2-Dimensional Spacetime'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'dimension, 2', 'constraint', 'duality', 'fibre bundle', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901038'] | ["Superfields in 2-dimensional (2,2)-superspacetime which are independent of (some) half of the fermionic coordinates are discussed in a hopefully both comprehensive and comprehensible manner. An embarrassing abundance of these simplest `building blocks' makes it utterly impossible to write down the `most general Lagra... | ['1999-01-12'] |
6,888 | ['eng'] | ['Fadeev, L'] | ['From Yang-Mills Field to Solitons and back again'] | ['Particle Physics - Theory'] | ['talk, Erice', 'field theory, history', 'gauge field theory, Yang-Mills', 'soliton', 'quantum electrodynamics', 'renormalization', 'charge, topological', 'sine-Gordon equation', 'Skyrme model', 'knot theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901037'] | ['Lecture delivered at XXXVI Summer School on Subnuclear Physics at Erice in September 1998. It contains a brief reflection on the development of QFT in late sixties and a discussion of the role of solitons in realistic field theoretic models.'] | ['1999-01-12'] |
6,889 | ['eng'] | ['Bulgadaev, S A'] | ['On topological interpretation of quantum numbers'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'charge, topological', 'quantum number', 'charge, vector', 'model, chiral', 'group theory, lattice', 'instanton', 'torus, Cartan'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901036'] | ['It is shown how one can define vector topological charges for topological exitations of non-linear sigma-models on compact homogeneous spaces T_G and G/T_G (where G is a simple compact Lie group and T_G is its maximal commutative subgroup). Explicit solutions for some cases, their energies and interaction of differen... | ['1999-01-12'] |
6,890 | ['eng'] | ['Hata, H', 'Moriyama, S'] | ['Conformal Symmetry in Matrix Model beyond the Eikonal Approximation'] | ['Particle Physics - Theory'] | ['matrix model', 'symmetry, conformal', 'approximation, eikonal', 'gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 1', 'effective action', 'Ward identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901034'] | ['Recently, it was shown by Jevicki, Kazama and Yoneya (JKY) that the Super-Yang-Mills theories (SYM) in $D\\leq 4$ can reproduce the conformal symmetry of the near-horizon geometry of the D-brane solutions. However, the eikonal approximation they used is not sufficient for analyzing the conformal symmetry in SYM. We c... | ['1999-01-12'] |
6,891 | ['eng'] | ['Chepelev, I'] | ["Are M-atrix theory and Maldacena's conjecture related?"] | ['Particle Physics - Theory'] | ['matrix model', 'supergravity, light cone', 'dimension, 11', 'gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 1', 'strong coupling', 'duality', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901033'] | ["We give arguments in the support of a relation between M-atrix theory and Maldacena's conjecture. In the limit when light-like circle of M-theory decompactifies, M-atrix theory conjecture implies the equivalence of 11-D light-cone supergravity and strongly-coupled (0+1)-D SYM. Large-N version of Maldacena's conjectur... | ['1999-01-12'] |
6,892 | ['eng'] | ['Dvali, G', 'Gabadadze, Gregory T', 'Kakushadze, Z'] | ['BPS Domain Walls in Large N Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['domain wall, BPS', 'quantum chromodynamics', 'supersymmetry', 'expansion 1/N', 'symmetry, Z(N)', 'membrane model, D-brane', 'flux tube', 'effective Lagrangian', 'Landau-Ginzburg model', 'gaugino, condensation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901032'] | ['We explicitly construct BPS domain walls interpolating between neighboring chirally asymmetric vacua in the large N limit of pure supersymmetric QCD. The BPS equations for the corresponding ${\\bf Z}_N$ symmetric order parameter effective Lagrangian reduce to those in the $A_N$ Landau-Ginsburg model assuming that the... | ['1999-01-12'] |
6,893 | ['eng'] | ['Schrör, B', 'Wiesbrock, H W'] | ['Looking beyond the Thermal Horizon'] | ['Particle Physics - Theory'] | ['field theory, chiral', 'hidden symmetry', 'dimension, 2', 'group theory, modular', 'horizon', 'finite temperature'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901031'] | ["In thermal states of chiral theories, as recently investigated by H.-J. Borchers and J. Yngvason, there exists a rich group of hidden symmetries. Here we show that this leads to a radical converse of of the Hawking-Unruh observation in the following sense. The algebraic commutant of the algebra associated with a (hea... | ['1999-01-12'] |
6,894 | ['eng'] | ['Dolan, L', 'Langham, M C'] | ['Symmetric Subgroups of Gauged Supergravities and AdS String Theory Vertex Operators'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory', 'space-time, anti-de Sitter', 'field theory, conformal', 'operator, vertex', 'string model', 'supersymmetry', 'group theory', 'membrane model', 'multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901030'] | ['We show how the gauge symmetry representations of the massless particle content of gauged supergravities that arise in the AdS/CFT correspondences can be derived from symmetric subgroups to be carried by string theory vertex operators in these compactified models, although an explicit vertex operator construction of ... | ['1999-01-12'] |
6,895 | ['eng'] | ['Franke, V A', 'Novozhilov, V Yu', 'Paston, S A', 'Prokhvatilov, E V'] | ['Quantum Field Theory in Light-Front coordinates'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'field theory, light front', 'quantization', 'Hamiltonian formalism', 'regularization, lattice', 'constraint', 'invariance, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901029'] | ['Canonical formulation of quantum field theory on the Light Front (LF) is reviewed. The problem of constructing the LF Hamiltonian which gives the theory equivalent to original Lorentz and gauge invariant one is considered. We describe possible ways of solving this problem: (a) the limiting transition from the equal-t... | ['1999-01-12'] |
6,896 | ['eng'] | ["O'Driscoll, D"] | ['Non-Perturbative Structure in Heterotic Strings from Dual F-Theory Models'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'nonperturbative', 'F-theory', 'duality', 'M-theory', 'dimension, 8', 'moduli space', 'membrane model', 'orientifold', 'singularity', 'Wilson loop', 'enhancement, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901028'] | ['We examine how to construct explict heterotic string models dual to F-theory in eight dimensions. In doing so we learn about where the moduli spaces of the two theories overlap, and how non-perturbative features leave traces on a purely perturbative level. We also propose a modified T-duality linking M and F-theories... | ['1999-01-12'] |
6,897 | ['eng'] | ['Nishino, H'] | ['Super Eightbrane in Superspace'] | ['Particle Physics - Theory'] | ['supergravity, massive', 'dimension, 10', 'superspace', 'membrane model', 'Wess-Zumino term', 'dimension, 11', 'Bianchi identity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901027'] | ["We present a superspace formulation for super eightbrane theory based on massive type IIA supergravity in ten-dimensions. Remarkably, in addition to the 10-form superfield strength originally needed for super eightbrane, we also need an `over-ranked' 11-form superfield strength $H_{A_1\\cdots A_{11}}$ with identicall... | ['1999-01-11'] |
6,898 | ['eng'] | ['Elizalde, E', 'Nojiri, S', 'Odintsov, S D'] | ['Possible quantum instability of primordial black holes'] | ['Particle Physics - Theory'] | ['black hole, horizon', 'black hole, stability', 'radiation, Hawking', 'grand unified theory, SO(10)', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901026'] | ['Evidence for the possible existence of a quantum process opposite to the famous Hawking radiation (evaporation) of black holes is presented. This new phenomenon could be very relevant in the case of exotic multiple horizon Nariai black holes and in the context of common grand unified theories. This is clearly manifes... | ['1999-01-11'] |
6,899 | ['eng'] | ['Zhou Bang Rong'] | ['$U_L(N)\\times U_R(N)$-invariant four-fermion interactions and Nambu-Goldstone mechanism at finite temperature'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'symmetry, U(N) x U(N)', 'symmetry, spontaneously broken', 'four-fermion interaction', 'fermion, propagator', 'bound state, scalar', 'bound state, pseudoscalar', 'finite temperature', 'Goldstone theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9901025'] | ['In a chiral $U_L(N)\\times U_R(N)$ fermion model of NJL-form, we prove that, if all the fermions are assumed to have equal masses and equal chemical potentials, then at the finite temperature $T$ below the symmetry restoration temperature $T_c$, there will be $N^2$ massive scalar composite particles and $N^2$ massles... | ['1999-01-11'] |
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