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 |
|---|---|---|---|---|---|---|---|---|
700 | ['eng'] | ['Youm, D'] | ['The Cardy-Verlinde Formula and Asymptotically Flat Charged Black Holes'] | ['Particle Physics - Theory'] | ['black hole, charge', 'space-time, any-dimensional', 'thermodynamics', 'field theory, conformal', 'dimension, 2', 'energy, Casimir'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105036'] | ['We show that the modified Cardy-Verlinde formula without the Casimir effect term is satisfied by asymptotically flat charged black holes in arbitrary dimensions. Thermodynamic quantities of the charged black holes are shown to satisfy the energy-temperature relation of a two-dimensional CFT, which supports the claim ... | ['2001-05-04'] |
701 | ['eng'] | ['Constable, N R', 'Myers, R C', 'Tafjord, O'] | ['Fuzzy Funnels'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'membrane model, D-brane', 'duality', 'Born-Infeld model', 'fuzzy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105035'] | ['We discuss dual formulations of D-brane intersections. The duality is between world volume field theories of different dimensionalities which both describe the same D-brane configuration but are valid in complementary regions of parameter space. We discuss the duality in terms of bion configurations involving D-strin... | ['2001-05-04'] |
702 | ['eng'] | ['Dimopoulos, S'] | ['Soft Supersymmetry Breaking and the Supersymmetric Standard Model'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'supersymmetry, history', 'electroweak interaction, symmetry breaking', 'supersymmetry, symmetry breaking', 'grand unified theory, SU(5)', 'p, lifetime', 'astrophysics, missing-mass', 'LSP', 'neutral current, flavor changing', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105034'] | ['We recall how the idea of Softly Broken Supersymmetry led to the construction of the Supersymmetric Standard Model in 1981. Its first prediction, the supersymmetric unification of gauge couplings, was conclusively verified by the LEP and SLC experiments 10 years later. Its other predictions include: the existence of ... | ['2001-05-04'] |
703 | ['eng'] | ['Doikou, A', 'Babichenko, A'] | ['Principal chiral model scattering and the alternating quantum spin chain'] | ['Particle Physics - Theory'] | ['model, spin', 'model, chiral', 'Bethe ansatz', 'S-matrix', 'bound state, scattering'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105033'] | ['We consider the critical alternating quantum spin chain with ${q_{+} \\over 2}$, ${q_{-} \\over2}$ spins. Using the Bethe ansatz technique we find explicit expressions for the $S$-matrix of the model. We show that in the limit that $q_{\\pm}$ \\to \\infty$ our results coincide with the ones obtained for the principal... | ['2001-05-04'] |
704 | ['eng'] | ['Alexander, S H S'] | ['Inflation from D-\\bar{D} brane annihilation'] | ['Particle Physics - Theory'] | ['inflationary universe', 'membrane model, D-brane', 'D-brane, annihilation', 'vortex', 'tachyon, condensation', 'space-time', 'topology, defect', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105032'] | ['We demonstrate that the initial conditions for inflation are met when D5 and \\bar{D}5 branes annihilate. This scenario uses Sen\'s conjecture that a co-dimension two vortex forms on the worldvolume of the annihilated 5-brane system. Analogous to a "Big Bang", when the five branes annihilate, a vortex localized on a ... | ['2001-05-04'] |
705 | ['eng'] | ['Julia, B L'] | ['Magics of M-gravity'] | ['Particle Physics - Theory'] | ['talk, Berlin 2000/10/04', 'supergravity', 'dimension, 11', 'M-theory', 'space-time, torus', 'spontaneous compactification', 'duality', 'instanton', 'surface, del Pezzo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105031'] | ['Compactifications on tori may seem to have revealed their beauty long ago but the mystery of 11d Supergravity remains and fresh attempts at a conceptual breakthrough are worth the effort and quite timely. We shall concentrate here on the analogy with Instanton Mathematics and discuss some open questions and work in p... | ['2001-05-04'] |
706 | ['eng'] | ['Miao, Y G', 'Müller-Kirsten, H J W', 'Park, D K'] | ['Duality Symmetry in Momentum Frame'] | ['Particle Physics - Theory'] | ['boson, chiral', 'duality', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105029'] | ["Duality symmetry is investigated from the point of view of the momentum frame, using Siegel's action of chiral bosons in two space-time dimensions and its generalization in higher dimensions as examples. The whole procedure of investigation is realized in the momentum space which relates to the configuration space th... | ['2001-05-04'] |
707 | ['eng'] | ['Kraus, E', 'Stöckinger, D'] | ['Non-renormalization theorems of Supersymmetric QED in the Wess-Zumino gauge'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'supersymmetry', 'Wess-Zumino gauge', 'renormalization', 'Slavnov identity', 'beta function', 'photon, propagator', 'multiplet', 'vertex, chiral', 'symmetry, axial', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105028'] | ['The non-renormalization theorem of chiral vertices and the generalized non-renormalization theorem of the photon self energy are derived in SQED on the basis of algebraic renormalization. For this purpose the gauge coupling is extended to an external superfield. This extension already provides detailed insight into t... | ['2001-05-04'] |
708 | ['eng'] | ['Ansoldi, S', 'Aurilia, A', 'Castro, C', 'Spallucci, E'] | ['Quenched, Minisuperspace, Bosonic p-brane Propagator'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'propagator', 'minisuperspace', 'path integral', 'effective action', 'quenching'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105027'] | ['We borrow the minisuperspace approximation from Quantum Cosmology and the quenching approximation from QCD in order to derive a new form of the bosonic p-brane propagator. In this new approximation we obtain an exact description of both the collective mode deformation of the brane and the center of mass dynamics in t... | ['2001-05-04'] |
709 | ['eng'] | ['Montesinos, M', 'Vergara, J D'] | ['Bosonic string theory with linear in the momenta constraints'] | ['Particle Physics - Theory'] | ['talk, Huatulco 2000/12/03', 'boson, string model', 'constraint', 'Hamiltonian formalism', 'diffeomorphism', 'invariance, Poincare', 'invariance, Weyl', 'gravitation', 'gauge fixing'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105026'] | ['The Hamiltonian analysis of Polyakov action is reviewed putting emphasis in two topics: Dirac observables and gauge conditions. In the case of the closed string it is computed the change of its action induced by the gauge transformation coming from the first class constraints. As expected, the Hamiltonian action is n... | ['2001-05-04'] |
710 | ['eng'] | ['De Andrade, M A', 'Vancea, I V'] | ['Action for spinor fields in arbitrary dimensions'] | ['Particle Physics - Theory'] | ['field theory, spinor', 'any-dimensional', 'algebra, Clifford', 'supersymmetry', 'charge conjugation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105025'] | ['A systematic presentation of spinors in various dimensions is given.'] | ['2001-09-14'] |
711 | ['eng'] | ['Ellwood, I', 'Feng, B', 'He, Y H', 'Möller, N'] | ['The Identity String Field and the Tachyon Vacuum'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'tachyon, vacuum state', 'cohomology, triviality', 'operator, Becchi-Rouet-Stora', 'operator, Virasoro'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105024'] | ["We show that the triviality of the entire cohomology of the new BRST operator Q around the tachyon vacuum is equivalent to the Q-exactness of the identity I of the star-algebra. We use level truncation to show that as the level is increased, the identity becomes more accurately Q-exact. We carry our computations up t... | ['2001-05-03'] |
712 | ['eng'] | ['Costa, M S', 'Herdeiro, C A R', 'Cornalba, L'] | ['Flux-branes and the Dielectric Effect in String Theory'] | ['Particle Physics - Theory'] | ['string model', 'M-theory', 'invariance, Poincare', 'membrane model, flux', 'effect, dielectric', 'decoupling', 'symmetry, SO(N)', 'dimensional reduction', 'magnetic field'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105023'] | ['We consider the generalization to String and M-theory of the Melvin solution. These are flux p-branes which have (p+1)-dimensional Poincare invariance and are associated to an electric (p+1)-form field strength along their worldvolume. When a stack of Dp-branes is placed along the worldvolume of a flux (p+3)-brane th... | ['2001-05-03'] |
713 | ['eng'] | ['Wu, Z C'] | ['Quantum Kaluza-Klein Cosmologies (V)'] | ['Particle Physics - Theory'] | ['quantum cosmology', 'Kaluza-Klein model', 'dimension, 11', 'supergravity', 'instanton', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105021'] | ['In the No-boundary Universe with $d=11$ supergravity, under the $S_n \\times S_{11-n}$ Kaluza-Klein ansatz, the only seed instanton for the universe creation is a $S_7 \\times S_4$ space. It is proven that for the Freund-Rubin, Englert and Awada-Duff-Pope models the macroscopic universe in which we are living must be... | ['2001-05-03'] |
714 | ['eng'] | ['Veselov, A P'] | ['On geometry of a special class of solutions to generalised WDVV equations'] | ['Particle Physics - Theory'] | ['WDVV equation, solution', 'differential equations, nonlinear', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105020'] | ['A special class of solutions to the generalised WDVV equations related to a finite set of covectors is considered. We describe the geometric conditions ($\\vee$-conditions) on such a set which are necessary and sufficient for the corresponding function to satisfy the generalised WDVV equations. These conditions are s... | ['2001-05-03'] |
715 | ['eng'] | ['Schvellinger, M', 'Tran, T A'] | ['Supergravity duals of gauge field theories from SU(2) x U(1) gauged supergravity in five dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory, SU(2) x U(1)', 'symmetry, SO(4)', 'dimension, 5-7', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105019'] | ["We study the SO(4)-symmetric solution of the five-dimensional SU(2) x U(1) gauged N=4 supergravity theory obtained in [hep-th/0101202]. This solution contains purely magnetic non-Abelian and electric Abelian fields. It can be interpreted as a reduction of seven-dimensional gauged supergravity on a torus, which comes ... | ['2001-05-03'] |
716 | ['eng'] | ['Verschelde, H', 'Knecht, K', 'Van Acoleyen, K', 'Vanderkelen, M'] | ['The non-perturbative groundstate of QCD and the local composite operator A2m'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'ground state, nonperturbative', 'condensation', 'effective potential', 'operator, composite', 'renormalization group', 'gluon, propagator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105018'] | ['We investigate the possibility that the dimension 2 condensate A_mu^2 has a non zero non-perturbative value in Yang-Mills theory. We introduce a multiplicatively renormalisable effective potential for this condensate and show through two loop calculations that a non zero condensate is energetically favoured.'] | ['2001-05-03'] |
717 | ['eng'] | ['Moffat, J W'] | ['Acceleration of the Universe, String Theory and a Varying Speed of Light'] | ['Particle Physics - Theory'] | ['astrophysics, acceleration', 'space-time, horizon', 'string model', 'M-theory', 'S-matrix', 'photon, velocity', 'quintessence'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105017'] | ['The existence of future horizons in spacetime geometries poses serious problems for string theory and quantum field theories. The observation that the expansion of the universe is accelerating has recently been shown to lead to a crisis for the mathematical formalism of string and M-theories, since the existence of a... | ['2001-05-03'] |
718 | ['eng'] | ['Janssen, B'] | ['Massive T-duality in six dimensions'] | ['Particle Physics - Theory'] | ['T-duality', 'dimension, 6', 'string model', 'Kaluza-Klein model', 'supergravity', 'dimension, 5', 'dimension, 10', 'duality', 'S-duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105016'] | ["A massive version of T-duality in six dimensions is given, that maps the K3 compactification of Romans' theory onto the K3 compactification of Type IIB theory. This is done by performing a (standard) Kaluza-Klein reduction on six-dimensional massive Type IIA and a Scherk-Schwarz reduction on Type IIB, mapping both th... | ['2001-05-03'] |
719 | ['eng'] | ['Douglas, M R'] | ['D-Branes and N=1 Supersymmetry'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'membrane model, D-brane', 'supersymmetry', 'soliton, BPS', 'spontaneous compactification', 'space, Calabi-Yau', 'category', 'topology', 'string model', 'moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105014'] | ['We discuss the recent proposal that BPS D-branes in Calabi-Yau compactification of type II string theory are Pi-stable objects in the derived category of coherent sheaves.'] | ['2001-05-03'] |
720 | ['eng'] | ['Samani, K A', 'Mostafazadeh, A'] | ['On the Statistical Origin of Topological Symmetries'] | ['Particle Physics - Theory'] | ['symmetry, topological', 'supersymmetry, parastatistics', 'supersymmetry, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105013'] | ['We investigate a quantum system possessing a parasupersymmetry of order 2, an orthosupersymmetry of order $p$, a fractional supersymmetry of order $p+1$, and topological symmetries of type $(1,p)$ and $(1,1,...,1)$. We obtain the corresponding symmetry generators, explore their relationship, and show that they may be... | ['2001-05-03'] |
721 | ['eng'] | ['Araki, T', 'Ito, K'] | ['Scattering of Noncommutative (n,1) Solitons'] | ['Particle Physics - Theory'] | ['soliton, noncommutative', 'soliton, scattering', 'field theory, scalar', 'dimension, 3', 'potential, Kaehler', 'moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105012'] | ["We study scattering of noncommutative solitons in 2+1 dimensional scalar field theory. In particular, we investigate a system of two solitons with level n and n' (the (n,n')-system) in the large noncommutativity limit. We show that the scattering of a general (n,n')-system occurs at right angles in the case of zero i... | ['2001-05-03'] |
722 | ['eng'] | ['Hatzinikitas, A', 'Smyrnakis, J M'] | ['Noncommutative Quantization in 2D Conformal Field Theory'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'quantization, noncommutative', 'oscillator', 'Ward identity', 'boson, string', 'correlation function', 'field theory, deformation', 'invariance, SL(2,C)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105011'] | ['The simplest possible noncommutative harmonic oscillator in two dimensions is used to quantize the free closed bosonic string in two flat dimensions. The nonsolitonic part of the partition function is not deformed by the introduction of noncommutativity, while the four point function is, preserving, nevertheless, the... | ['2001-05-03'] |
723 | ['eng'] | ['Brandt, F'] | ['Gauge theories of spacetime symmetries'] | ['Particle Physics - Theory'] | ['gauge field theory, abelian', 'invariance, conformal', 'field theory, nonpolynomial', 'relativity theory, general', 'symmetry, space-time', 'matter', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105010'] | ['Gauge theories of conformal spacetime symmetries are presented which merge features of Yang-Mills theory and general relativity in a new way. The models are local but nonpolynomial in the gauge fields, with a nonpolynomial structure that can be elegantly written in terms of a metric (or vielbein) composed of the gaug... | ['2001-05-03'] |
724 | ['eng'] | ['Duff, Michael J', 'Liu, J T', 'Sati, H'] | ['Quantum M^2 -> 2Lambda/3 discontinuity for massive gravity with a Lambda term'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'gravitation, massive', 'spin, 2', 'tree approximation', 'singularity', 'gauge fixing', 'approximation, massless'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105008'] | ['In a previous paper we showed that the absence of the van Dam-Veltman-Zakharov discontinuity as M^2 -> 0 for massive spin-2 with a Lambda term is an artifact of the tree approximation, and that the discontinuity reappears at one loop, as a result of going from five degrees of freedom to two. In this paper we show tha... | ['2001-09-14'] |
725 | ['eng'] | ['Carroll, S M', 'Mersini, L'] | ['Can we live in a self-tuning universe?'] | ['Particle Physics - Theory'] | ['astrophysics, fundamental constant', 'vacuum state, energy', 'pressure', 'membrane model', 'gravitation, effect', 'Friedman model', 'field theory, scalar', 'coupling, conformal', 'scaling'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105007'] | ['The self-tuning brane scenario is an attempt to solve the cosmological constant problem in the context of extra dimensions. Rather than making the vacuum energy small, this approach proceeds by removing the gravitational effect of vacuum energy on the expansion of the universe. Such behavior is only possible through ... | ['2001-05-02'] |
726 | ['eng'] | ['Ramgoolam, S'] | ['On spherical harmonics for fuzzy spheres in diverse dimensions'] | ['Particle Physics - Theory'] | ['sphere, fuzzy', 'group theory, SO(N)', 'group theory, representation', 'expansion 1/N', 'instanton, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105006'] | ['We construct spherical harmonics for fuzzy spheres of even and odd dimensions, generalizing the correspondence between finite matrix algebras and fuzzy two-spheres. The finite matrix algebras associated with the various fuzzy spheres have a natural basis which falls in correspondence with tensor constructions of irre... | ['2001-05-02'] |
727 | ['eng'] | ['Maggiore, N', 'Tanzini, A'] | ['Protected Operators in N=2,4 Supersymmetric Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'invariance, Becchi-Rouet-Stora', 'invariance, gauge', 'ghost', 'path integral', 'Slavnov identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105005'] | ['The anomalous dimension of single and multi-trace composite operators of scalar fields is shown to vanish at all orders of the perturbative series. The proof hold for theories with N=2 supersymmetry with any number of hypermultiplets in a generic representation of the gauge group. It then applies to the finite N=4 th... | ['2001-05-02'] |
728 | ['eng'] | ['Mishra, A K', 'Rajasekaran, G'] | ['Quantum Field Theory for Orthofermions and Orthobosons'] | ['Particle Physics - Theory'] | ['statistics, orthostatistics', 'wave function', 'field theory, scalar', 'fermion', 'boson', 'relativistic', 'nonrelativistic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105004'] | ["Orthofermi statistics is characterized by an exclusion principle which is more ``exclusive'' than Pauli's exclusion principle: an orbital state shall not contain more than one particle, no matter what the spin direction is. The wavefunction is antisymmetric in spatial indices alone with arbitrary symmetry in the spin... | ['2001-05-02'] |
729 | ['eng'] | ['Mishra, A K', 'Rajasekaran, G'] | ['Generalized Fock Spaces and New Forms of Quantum Statistics'] | ['Particle Physics - Theory'] | ['Fock space', 'statistics', 'operator, algebra', 'commutation relations, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105003'] | ["The recent discoveries of new forms of quantum statistics require a close look at the under-lying Fock space structure. This exercise becomes all the more important in order to provide a general classification scheme for various forms of statistics, and establish interconnections among them whenever it is possible. W... | ['2001-05-02'] |
730 | ['eng'] | ['Habara, Y'] | ['A New Approach to Scalar Field Theory on Noncommutative Space'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'differential geometry, noncommutative', 'quantization, 2', 'Hamiltonian formalism', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105002'] | ['A new approach to constructing the noncommutative scalar field theory is presented. Not only between x_i and p_j, we impose commutation relations between x_is as well as p_js, and give a new representation of x_i,p_js. We carry out both first- and second-quantization explicitly. The second-quantization is performed i... | ['2001-05-02'] |
731 | ['eng'] | ['Sezgin, E', 'Sundell, P'] | ['Doubletons and 5D Higher Spin Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, action', 'dimension, 5', 'group theory, SO(4,2)', 'algebra, de Sitter', 'algebra, representation', 'spin, high', 'model, oscillator', 'constraint', 'tensor, Weyl', 'doubleton', 'space-time, anti-de Sitter', 'field theory, conformal', 'field equations, linear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0105001'] | ['We use Grassmann even spinor oscillators to construct a bosonic higher spin extension hs(2,2) of the five-dimensional anti-de Sitter algebra SU(2,2), and show that the gauging of hs(2,2) gives rise to a spectrum S of physical massless fields with spin s=0,2,4,... that is a UIR of hs(2,2). In addition to a master gaug... | ['2001-05-02'] |
732 | ['eng'] | ['Bañados, M', 'Chandia, O', 'Grandi, N E', 'Schaposnik, F A', 'Silva, G A'] | ['Three-dimensional Noncommutative Gravity'] | ['Particle Physics - Theory'] | ['gravitation, noncommutative', 'dimension, 3', 'Chern-Simons term', 'black hole, mass', 'black hole, angular momentum', 'gauge field theory, U(1)', 'gauge field theory, GL(2,C)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104264'] | ['We formulate noncommutative three-dimensional (3d) gravity by making use of its connection with 3d Chern-Simons theory. In the Euclidean sector, we consider the particular example of topology $T^2 \\times R$ and show that the 3d black hole solves the noncommutative equations. We then consider the black hole on a cons... | ['2001-05-01'] |
733 | ['eng'] | ['Acatrinei, C S', 'Sochichiu, C'] | ['A note on the decay of noncommutative solitons'] | ['Particle Physics - Theory'] | ['soliton, noncommutative', 'soliton, decay', 'field theory, scalar', 'tachyon', 'gauge field theory', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104263'] | ['We propose an ansatz for the equations of motion of the noncommutative model of a tachyonic scalar field interacting with a gauge field, which allows one to find time-dependent solutions describing decaying solitons. These correspond to the collapse of lower dimensional branes obtained through tachyon condensation of... | ['2001-05-01'] |
734 | ['eng'] | ['Gregory, R', 'Padilla, A'] | ['Nested braneworlds and strong brane gravity'] | ['Particle Physics - Theory'] | ['membrane model', 'gravitation', 'domain wall', 'vortex', 'Randall-Sundrum model', 'space-time, anti-de Sitter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104262'] | ["We find the gravitational field of a `nested' domain wall living entirely within a brane-universe, or, a localised vortex within a wall. For a vortex living on a critical Randall-Sundrum brane universe, we show that the induced gravitational field on the brane is identical to that of an (n-1)-dimensional vacuum domai... | ['2001-05-01'] |
735 | ['eng'] | ['Stichel, P C', 'Zakrzewski, W J'] | ['Possible confinement mechanisms for nonrelativistic particles on a line'] | ['Particle Physics - Theory'] | ['particle, nonrelativistic', 'confinement', 'gauge field theory', 'Schroedinger equation, solution', 'quantization, Moyal', 'energy spectrum', 'quantum mechanics', 'dimension, 2', 'bag model', 'potential, oscillator', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104261'] | ['The gauge model of nonrelativistic particles on a line interacting with nonstandard gravitational fields [5] is supplemented by the addition of a (non)-Abelian gauge interaction. Solving for the gauge fields we obtain equations, in closed form, for a classical two particle system. The corresponding Schr\\"{o}dinger e... | ['2001-05-01'] |
736 | ['eng'] | ['Ambjørn, Jan', 'Anagnostopoulos, K N', 'Bietenholz, W', 'Hofheinz, F', 'Nishimura, J'] | ['On the Spontaneous Breakdown of Lorentz Symmetry in Matrix Models of Superstrings'] | ['Particle Physics - Theory'] | ['invariance, Lorentz', 'symmetry, spontaneously broken', 'matrix model', 'string model', 'supersymmetry', 'Wilson loop', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104260'] | ["In string or M theories, the spontaneous breaking of 10D or 11D Lorentz symmetry is required to describe our space-time. A direct approach to this issue is provided by the IIB matrix model. We study its 4D version, which corresponds to the zero volume limit of 4D super Yang-Mills theory. Based on the moment of inerti... | ['2001-05-01'] |
737 | ['eng'] | ['Feng, B', 'Hanany, A', 'He, Y H'] | ['Phase Structure of D-brane Gauge Theories and Toric Duality'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'gauge field theory, quiver', 'duality, torus', 'critical phenomena', 'moduli space', 'singularity', 'gauge field theory, U(1)', 'surface, del Pezzo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104259'] | ["Harnessing the unimodular degree of freedom in the definition of any toric diagram, we present a method of constructing inequivalent gauge theories which are world-volume theories of D-branes probing the same toric singularity. These theories are various phases in partial resolution of Abelian orbifolds. As examples,... | ['2001-05-01'] |
738 | ['eng'] | ['De Francia, M', 'Kirsten, K'] | ['Massive 3+1 Aharonov-Bohm fermions in an MIT cylinder'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'fermion, massive', 'Dirac equation', 'flux, string', 'energy, Casimir', 'regularization, zeta function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104257'] | ['We study the effect of a background flux string on the vacuum energy of massive Dirac fermions in 3+1 dimensions confined to a finite spatial region through MIT boundary conditions. We treat two admissible self-adjoint extensions of the Hamiltonian. The external sector is also studied and unambiguous results for the ... | ['2001-05-01'] |
739 | ['eng'] | ['Gadiyar, G H'] | ['A fresh look at the Bohr-Rosenfeld analysis and a proof of a conjecture of Heisenberg'] | ['Particle Physics - Theory'] | ['commutation relations', 'quantization', 'quantum mechanics', 'quantum electrodynamics', 'quantum gravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104256'] | ['Bohr and Rosenfeld carried out an analysis of the consequences of field theory commutation relations. In this note the analysis is sharpened. A conjecture of Heisenberg that volume is quantized is shown to be a consequence of the second quantization of gauge fields. A way to generalize the equations of physics to inc... | ['2001-05-01'] |
740 | ['eng'] | ['Bonini, M', 'Tricarico, E'] | ['Background field method in the Wilson formulation'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'background field', 'regularization', 'effective action', 'beta function', 'invariance, gauge', 'two-point function', 'Feynman graph, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104255'] | ['A cutoff regularization for a pure Yang-Mills theory is implemented within the background field method keeping explicit the gauge invariance of the effective action. The method has been applied to compute the beta function at one loop order.'] | ['2001-05-01'] |
741 | ['eng'] | ['De la Ossa, X C', 'Florea, B', 'Skarke, H'] | ['D-Branes on Noncompact Calabi-Yau Manifolds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'K-theory', 'space, Calabi-Yau', 'symmetry, mirror', 'monodromy', 'moduli space, torus'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104254'] | ['We study D-branes on smooth noncompact toric Calabi-Yau manifolds and give a simple recipe for determining a distinguished basis {S_i} for the compactly supported K-theory. If the Calabi-Yau manifold is a resolution of an abelian orbifold singularity this basis coincides with what has been found in the context of McK... | ['2001-05-01'] |
742 | ['eng'] | ['Manjavidze, J'] | ['Topology and perturbation theory'] | ['Particle Physics - Theory'] | ['topology', 'quantization', 'perturbation theory', 'path integral, measure', 'quantum mechanics', 'S-matrix, unitarity', 'WKB approximation', 'transformation, canonical', 'zero mode', 'hydrogen, atom'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104252'] | ['Paper'] | ['2001-05-01'] |
743 | ['eng'] | ['Chang, Z', 'Guan, C B', 'Guo, H Y'] | ['AdS Dynamics for Massive Scalar Field'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massive', 'space-time, anti-de Sitter', 'field equations, solution', 'propagator', 'horizon', 'singularity', 'symmetry, SO(2,N)', 'mass spectrum, discrete'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104251'] | ['AdS dynamics for massive scalar field is studied both by solving exactly the equation of motion and by constructing bulk-boundary propagator. A Robertson-Walker-like metric is deduced from the familiar SO(2,n) invariant metric. The metric allows us to present a time-like Killing vector, which is not only invariant un... | ['2001-05-01'] |
744 | ['eng'] | ['Dymarsky, A'] | ['Noncommutative field theory in formalism of first quantization'] | ['Particle Physics - Theory'] | ['field theory, noncommutative', 'quantization, 1', 'quantization, 2', 'propagator', 'scalar particle', 'external field, abelian', 'pair production', 'spin'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104250'] | ['We present a first-quantized formulation of the quadratic non-commutative field theory in the background of abelian (gauge) field. Even in this simple case the Hamiltonian of a propagating particle depends non-trivially on the momentum (since external fields depend on location of the Landau orbit) so that one can not... | ['2001-05-01'] |
745 | ['eng'] | ['Austin, C'] | ['A Brief Summary of the Group-Variation Equations'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Wilson loop, correlation function', 'expansion 1/N', 'glueball, mass', 'coupling constant, strong interaction', 'renormalization, beta function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104248'] | ['A brief summary is given of the Group-Variation Equations and the island diagram confinement mechanism, with an explanation of the prediction that the cylinder-topology minimal-area spanning surface term in the correlation function of two Wilson loops at large $N_c$, when it exists, must have a pre-exponential factor... | ['2001-05-01'] |
746 | ['eng'] | ['Berkovits, N'] | ['Relating the RNS and Pure Spinor Formalisms for the Superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'operator, Becchi-Rouet-Stora', 'operator, vertex', 'ghost', 'spinor', 'scattering amplitude', 'tree approximation', 'transformation, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104247'] | ['Recently, the superstring was covariantly quantized using the BRST-like operator $Q = \\oint \\lambda^\\alpha d_\\alpha$ where $\\lambda^\\alpha$ is a pure spinor and $d_\\alpha$ are the fermionic Green-Schwarz constraints. By performing a field redefinition and a similarity transformation, this BRST-like operator is... | ['2001-04-30'] |
747 | ['eng'] | ['Vasilev, M A'] | ['Progress in Higher Spin Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Moscow 2000/06/05', 'gauge field theory', 'spin, high', 'space-time, anti-de Sitter', 'field theory, conformal', 'vacuum state'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104246'] | ['General properties of the theory of higher spin gauge fields in $AdS_4$ are discussed. Some new results on the 4d conformal higher spin gauge theory are announced. Talk given at the International Conference "Quantization, Gauge Theory and Strings" in memory of E.S.Fradkin, Moscow, June 5-10, 2000.'] | ['2001-04-30'] |
748 | ['eng'] | ['Gonera, C', 'Kosinski, P', 'Maslanka, P'] | ['A gauge theory of the hamiltonian reduction for the rational Calogero - Moser system'] | ['Particle Physics - Theory'] | ['Calogero-Moser model, rational', 'Hamiltonian formalism', 'gauge field theory, SU(N)', 'phase space', 'differential forms, symplectic', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104245'] | ['A gauge theory equivalent to the hamiltonian reduction scheme for rational Calogero - Moser model is presented.'] | ['2001-04-30'] |
749 | ['eng'] | ['Abou-Zeid, M', 'Dorn, H'] | ['Comments on the Energy-Momentum Tensor in Non-Commutative Field Theories'] | ['Particle Physics - Theory'] | ['field theory, noncommutative', 'tensor, energy-momentum', 'field theory, scalar', 'gauge field theory, U(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104244'] | ['In a non-commutative field theory, the energy-momentum tensor obtained from the Noether method needs not be symmetric; in a massless theory, it needs not be traceless either. In a non-commutative scalar field theory, the method yields a locally conserved yet non-symmetric energy-momentum tensor whose trace does not v... | ['2001-04-30'] |
750 | ['eng'] | ['Murakami, K'] | ["p-p' System with B Field and Projection Operator Noncommutative Solitons"] | ['Particle Physics - Theory'] | ['membrane model', 'soliton, noncommutative', 'string, scattering amplitude', 'operator, vertex', 'supersymmetry', 'tachyon', 'gauge field theory', 'transformation, Weyl'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104243'] | ["We study the system of the Dp'-brane with Dp-brane (p<p') inside, in the case where B_{ij} field is a nonvanishing constant. In order to understand how the Dp-brane is viewed from the Dp'-brane worldvolume theory, we investigate the process in which the Dp-brane is probed with p'-p' open string. We calculate the scat... | ['2001-04-30'] |
751 | ['eng'] | ['Sonoda, H'] | ['Off-shell renormalization of the massive QED in the unitary gauge'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, massive', 'unitary gauge', 'renormalization, off-shell'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104242'] | ['Despite its simplicity, the unitary gauge is not a popular choice for practical loop calculations in gauge theories, due to the lack of off-shell renormalizability. We study the renormalization properties of the off-shell Green functions of the elementary electron fields in the massive QED, in order to elucidate the ... | ['2001-04-30'] |
752 | ['eng'] | ['Sugamoto, A'] | ['4d Gauge Theory and Gravity Generated from 3d Ones at High Energy'] | ['Particle Physics - Theory'] | ['gauge field theory', 'gravitation', 'dimension, 3', 'dimension, 4', 'fermion, condensation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104241'] | ['Dynamical generation of 4d gauge theories and gravity at low energy from the 3d ones at high energy is studied, based on the fermion condensation mechanism recently proposed by Arkani-Hamed, Cohen and Georgi. For gravity, the two form gravity in 4d is generated from the multiple copy of the 3d Einstein gravities. Sin... | ['2001-04-30'] |
753 | ['eng'] | ['Dimopoulos, S', 'Kachru, S', 'Kaloper, N', 'Lawrence, A', 'Silverstein, E'] | ['Small Numbers from Tunneling Between Brane Throats'] | ['Particle Physics - Theory'] | ['membrane model', 'tunneling', 'mass, hierarchy', 'astrophysics, missing-mass', 'matter, conformal', 'space-time, anti-de Sitter', 'glueball, decay', 'holography', 'supersymmetry, symmetry breaking', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104239'] | ["Generic classes of string compactifications include ``brane throats'' emanating from the compact dimensions and separated by effective potential barriers raised by the background gravitational fields. The interaction of observers inside different throats occurs via tunnelling and is consequently weak. This provides a... | ['2001-04-30'] |
754 | ['eng'] | ['Russo, Jorge G', 'Tseytlin, Arkady A'] | ['Magnetic backgrounds and tachyonic instabilities in closed superstring theory and M-theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'dimension, 10', 'M-theory', 'dimension, 11', 'background, magnetic', 'tachyon', 'stability', 'mass spectrum', 'supergravity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104238'] | ["Models of closed superstrings in certain curved NS-NS magnetic flux backgrounds are exactly solvable in terms of free fields. They interpolate between free superstring theories with periodic and antiperiodic boundary conditions for fermions around some compact direction, and, in particular, between type 0 and type II... | ['2001-04-28'] |
755 | ['eng'] | ['Grady, M'] | ['Quantum Mechanics, Quantum Gravity, and Approximate Lorentz Invariance from a Classical Phase-Boundary Universe'] | ['Particle Physics - Theory'] | ['field theory, classical', 'quantum mechanics, fluctuation', 'space-time, Euclidean', 'quantum gravity', 'dynamical system', 'relativity theory', 'model, liquid', 'crystal, surface', 'crystal, defect', 'critical phenomena', 'boundary condition', 'quantization, stochastic', 'fermion, matter', 'gauge boson', 'invariance... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104237'] | ['A classical dynamical system in a four-dimensional Euclidean space with universal time is considered. The space is hypothesized to be originally occupied by a uniform substance, pictured as a liquid, which at some time became supercooled. Our universe began as a nucleation event initiating a liquid to solid transitio... | ['2001-04-28'] |
756 | ['eng'] | ['Uvarov, D V'] | ['Covariant $\\kappa-$Symmetry Gauge Fixing and the Classical Relation Between Physical Variables of the NSR String and the Type II GS Superstring'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'string model', 'supersymmetry, superspace', 'dimension, 10', 'algebra, Grassmann', 'gauge fixing', 'kappa symmetry', 'invariance, Lorentz', 'twistor', 'algebra, Virasoro', 'space-time, embedding'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104235'] | ['The main goal of this paper is the manifestly covariant derivation of the classical relation between the gauge-fixed Grassmann variables of the NSR string and the Type II GS superstring. To this end we analyze the superembedding equation for the Type II superstring to derive the relation between the original variable... | ['2001-04-28'] |
757 | ['eng'] | ['Bastianelli, F', 'Dass, N D H'] | ['Simplified Method for Trace Anomaly Calculations in d=6 and d<6'] | ['Particle Physics - Theory'] | ['anomaly, conformal', 'dimension, < =6', 'sigma model, nonlinear', 'dimension, 1', 'geometry', 'quantum mechanics', 'path integral', 'field theory, scalar', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104234'] | ['We discuss a simplified method for computing trace anomalies in d=6 and d<6 dimensions. It is known that in the quantum mechanical approach trace anomalies in d dimensions are given by a (1+d/2)-loop computation in an auxiliary 1d sigma model with arbitrary geometry. We show how one can obtain the same information us... | ['2001-04-28'] |
758 | ['eng'] | ['Lee, S', 'Sin, S J'] | ['Wilson Loop and Dimensional Reduction in Non-Commutative Gauge Theories'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'duality', 'gravitation', 'gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'finite temperature, high', 'Wilson loop', 'dimensional reduction', 'instanton'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104232'] | ["Using the AdS/CFT correspondence we study UV behavior of Wilson loops in various noncommutative gauge theories. We get an area law in most cases and try to identify its origin. In D3 case, we may identify the the origin as the D1 dominance over the D3: as we go to the boundary of the AdS space, the effect of the flux... | ['2001-04-28'] |
759 | ['eng'] | ['Julia, B L'] | ['Holography of charges in gauge theories'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'gauge field theory', 'charge, topological', 'charge, Noether', 'space-time, boundary condition', 'fluid', 'relativity theory, general', 'invariance, GL(N,R)', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104231'] | ["In this short review we compare the rigid Noether charges to topological gauge charges. One important extension is that one should consider each boundary component of spacetime independently. The argument that relates bulk charges to surface terms can be adapted to the perfect fluid situation where one can recognise ... | ['2001-04-28'] |
760 | ['eng'] | ['Ohmori, K'] | ['Tachyonic Kink and Lump-like Solutions in Superstring Field Theory'] | ['Particle Physics - Theory'] | ['string', 'supersymmetry', 'kink, tension', 'tachyon', 'membrane model, D-brane', 'potential', 'operator, vertex', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104230'] | ["We construct a kink solution on a non-BPS D-brane using Berkovits' formulation of superstring field theory in the level truncation scheme. The tension of the kink reproduces 95% of the expected BPS D-brane tension. We also find a lump-like solution which is interpreted as a kink--antikink pair, and investigate some o... | ['2001-04-28'] |
761 | ['eng'] | ['Jatkar, D P', 'Vathsan, R'] | ['Stable Solitons in Field Theory Models for Tachyon Condensation'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'potential', 'soliton, stability', 'spectra, fluctuation', 'tachyon, condensation', 'oscillator', 'Schroedinger equation', 'Goldstone theorem', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104229'] | ['We study soliton solutions in scalar field theory with a variety of unbounded potentials. A subset of these potentials have Gaussian lump solutions and their fluctuation spectrum is governed by the harmonic oscillator problem. These lumps are unstable with one tachyonic mode. Soliton solutions in several other classe... | ['2001-04-28'] |
762 | ['eng'] | ['Seunarine, S', 'McKay, D W'] | ['Additive and Multiplicative Noise Driven Systems in 1+1 Dimensions'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'dimension, 2', 'bubble, production', 'tunneling', 'Langevin equation', 'finite temperature', 'fluctuation, dissipation', 'lattice field theory', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104228'] | ['We study the rate of true vacuum bubble nucleation numerically for a phi^4 field system coupled to a source of thermal noise. We compare in detail the cases of additive and multiplicative noise. We pay special attention to the choice of initial field configuration, showing the advantages of a version of the quenching... | ['2001-04-28'] |
763 | ['eng'] | ['Cho, Y M', 'Neupane, I P', 'Wesson, P S'] | ['No ghost state of Gauss-Bonnet interaction in warped background'] | ['Particle Physics - Theory'] | ['Gauss-Bonnet term', 'dimension, 5', 'space-time, anti-de Sitter', 'gravitation, linear', 'Randall-Sundrum model', 'graviton, propagator', 'ghost', 'effective action', 'diffeomorphism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104227'] | ['A general solution to the Einstein field equations with Gauss-Bonnet(GB) term in the $AdS_5$ background implies that the GB coupling $\\alpha$ can take either sign (+ or -), though a positive $\\alpha$ will be more meaningful. By considering linearized gravity with GB term in the Randall-Sundrum(RS) a singular 3-bran... | ['2001-04-28'] |
764 | ['eng'] | ['Neupane, I P'] | ['Gravitational potential correction with Gauss-Bonnet interaction'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'Gauss-Bonnet term', 'dimension, 5', 'gravitation, linear', 'effective action', 'potential, correction', 'symmetry, Lorentz', 'coupling constant', 'renormalization', 'gravitation, fundamental constant', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104226'] | ['A treatment of linearized gravity with Einstein-Gauss-Bonnet interaction terms in D=5 is given in the Randall-Sundrum brane background. This Letter has outlined some interesting features of brane world gravity and Newtonian potential correction with GB interaction term. We find that the GB coupling $\\alpha$ renormal... | ['2001-04-28'] |
765 | ['eng'] | ['Adib, A B', 'Almeida, C A S'] | ['Kink Dynamics in a Topological Phi^4 Lattice'] | ['Particle Physics - Theory'] | ['lattice field theory', 'phi**n model, 4', 'kink, energy', 'lower limit, topological', 'Klein-Gordon equation, nonlinear', 'continuum limit', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104225'] | ["It was recently proposed a novel discretization for nonlinear Klein-Gordon field theories in which the resulting lattice preserves the topological (Bogomol'nyi) lower bound on the kink energy and, as a consequence, has no Peierls-Nabarro barrier even for large spatial discretizations (h~1.0). It was then suggested th... | ['2001-04-28'] |
766 | ['eng'] | ['Gates, S J', 'Ketov, S V'] | ['4D, N=1 Born-Infeld supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'Born-Infeld model', 'supersymmetry', 'field theory, action', 'dimension, 4', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104223'] | ['We propose the 4D, N=1 supergravitational analogues (avatars) of the 4D, N=1 supersymmetric Born-Infeld action in four dimensions for the first time, by using superspace. In particular, a new Born-Infeld type generalization of the Weyl supergravity action is given. A natural new Born-Infeld type generalization of the... | ['2001-04-26'] |
767 | ['eng'] | ['Houghton, C J', 'Krusch, S'] | ['Folding in the Skyrme Model'] | ['Particle Physics - Theory'] | ['Skyrme model', 'field equations, solution', 'singularity, stability', 'baryon number, high', 'baryon, density', 'symmetry, SU(2)', 'Skyrmion, energy', 'monopole', 'transformation, rational', 'group theory, representation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104222'] | ['There are only three stable singularities of a differentiable map between three-dimensional manifolds, namely folds, cusps and swallowtails. A Skyrme configuration is a map from space to SU(2), and its singularities correspond to the points where the baryon density vanishes. In this paper we consider the singularity ... | ['2001-04-26'] |
768 | ['eng'] | ['Litim, Daniel F'] | ['Mind The Gap [renormalisation group]'] | ['Particle Physics - Theory'] | ['talk, Rome 2000/09/18', 'gauge field theory, SU(3)', 'renormalization group', 'propagator', 'gap, stability', 'Ising model', 'universality', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104221'] | ['We discuss an optimisation criterion for the exact renormalisation group based on the inverse effective propagator, which displays a gap. We show that a simple extremisation of the gap stabilises the flow, leading to better convergence of approximate solutions towards the physical theory. This improves the reliabilit... | ['2001-04-26'] |
769 | ['eng'] | ['Baseilhac, P', 'Stanishkov, M'] | ['Expectation values of descendent fields in the Bullough-Dodd model and related perturbed conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'perturbation theory', 'model, minimal', 'quantum group', 'Bullough-Dodd model', 'two-point function', 'expansion, short-range', 'approximation, quasiclassical', 'field theory, Liouville'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104220'] | ['The exact vacuum expectation values of the second level descendent fields $<(\\partial\\phi)^2({\\overline\\partial}\\phi)^2e^{a\\phi}>$ in the Bullough-Dodd model are calculated. By performing quantum group restrictions, we obtain $<L_{-2}{\\overline L}_{-2}{\\Phi}_{lk}>$ in the $\\Phi_{12}$, $\\Phi_{21}$ and $\\Phi... | ['2001-04-26'] |
770 | ['eng'] | ['Lambert, N D', 'Sachs, I'] | ['On Higher Derivative Terms in Tachyon Effective Actions'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model', 'supersymmetry', 'tachyon, effective action', 'derivative, high', 'Born-Infeld model', 'kink', 'deformation, marginal', 'orbifold'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104218'] | ['We reconstruct the tachyon effective action for unstable D-branes in superstring theory by examining its behaviour near exactly marginal deformations, where the ambigous higher derivative terms can be eliminated. We then compare this action with that obtained in boundary string field theory and find remarkable agreem... | ['2001-04-26'] |
771 | ['eng'] | ['Griguolo, L', 'Pietroni, M'] | ['Wilsonian Renormalization Group and the Non-Commutative IR/UV Connection'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'differential geometry, noncommutative', 'asymptotic behavior', 'infrared problem', 'renormalization group, transformation', 'boundary condition', 'two-point function', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104217'] | ['We study the IR/UV connection of the four-dimensional non-commutative phi^4 theory by using the Wilsonian Renormalization Group equation. Extending the usual formulation to the non-commutative case we are able to prove UV renormalizability to all orders in perturbation theory. The full RG equations are finite in the ... | ['2001-04-26'] |
772 | ['eng'] | ['Booth, H S', 'Legg, G', 'Jarvis, P D'] | ['Algebraic solution for the vector potential in the Dirac equation'] | ['Particle Physics - Theory'] | ['Dirac equation', 'dimension, 4', 'electromagnetic field, external field', 'potential, vector', 'space-time', 'algebra, Dirac', 'algebra, Clifford', 'fermion, wave function', 'higher-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104216'] | ["The Dirac equation for an electron in an external electromagnetic field can be regarded as a singular set of linear equations for the vector potential. Radford's method of algebraically solving for the vector potential is reviewed, with attention to the additional constraints arising from non-maximality of the rank. ... | ['2001-04-26'] |
773 | ['eng'] | ['de Wit, B', 'Rocek, Martin', 'Vandoren, S'] | ['Gauging Isometries on Hyperkahler Cones and Quaternion-Kahler Manifolds'] | ['Particle Physics - Theory'] | ['supergravity', 'particle, multiplet', 'transformation, space-time', 'potential, scalar', 'quaternion', 'space, Kaehler'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104215'] | ['We extend our previous results on the relation between quaternion-Kahler manifolds and hyperkahler cones and we describe how isometries, moment maps and scalar potentials descend from the cone to the quaternion-Kahler space. As an example of the general construction, we discuss the gauging and the corresponding scala... | ['2001-04-25'] |
774 | ['eng'] | ['Hirayama, T', 'Kang, G'] | ['Stable Black Strings in Anti-de Sitter Space'] | ['Particle Physics - Theory'] | ['string, stability', 'space-time, anti-de Sitter', 'dimension, 5', 'dimension, 4', 'black hole', 'mass, threshold', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104213'] | ['In the five-dimensional Einstein gravity with negative cosmological constant in the presence/absence of a {\\it non-fine-tuned} 3-brane, we have investigated the classical stability of black string solutions which are foliations of four-dimensional $AdS/dS$-Schwarzschild black holes. Such black strings are genericall... | ['2001-04-25'] |
775 | ['eng'] | ['MacKay, N J', 'Short, B J'] | ['Boundary scattering, symmetric spaces and the principal chiral model on the half-line'] | ['Particle Physics - Theory'] | ['model, chiral', 'Yang-Baxter equation, solution', 'boundary condition, parametrization', 'integrability', 'moduli space', 'S-matrix', 'charge, conservation law', 'unitarity', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104212'] | ['We investigate integrable boundary conditions (BCs) for the principal chiral model on the half-line, and rational solutions of the boundary Yang-Baxter equation (BYBE). In each case we find a connection with (type I, Riemannian, globally) symmetric spaces G/H: there is a class of integrable BCs in which the boundary ... | ['2001-04-25'] |
776 | ['eng'] | ['Gómez, C'] | ['A Comment on the K-theory Meaning of the Topology of Gauge Fixing'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'K-theory', 'fibre bundle', 'topology', 'gauge fixing', 'dyon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104211'] | ["Based on the recently discovered K-theory description of D-branes in string theory a K-theory interpretation of the topology of gauge conditions for four dimensional gauge theories, in particular 't Hooft abelian projection, is presented. The interpretation of the dyon effect in terms of K^{-1} is also discussed. In ... | ['2001-04-25'] |
777 | ['eng'] | ['Fatollahi, A H'] | ['Electrodynamics On Matrix Space'] | ['Particle Physics - Theory'] | ['electromagnetic interaction', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'field equations, Lorentz', 'fermion', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104210'] | ['We consider the dynamics of a charged particle in a space whose coordinates are $N\\times N$ hermitian matrices. Putting things in the framework of D0-branes of String Theory, we mention that the transformations of the matrix coordinates induce non-Abelian transformations on the gauge potentials. The Lorentz equation... | ['2001-04-25'] |
778 | ['eng'] | ['Bandos, I A', 'de Azcárraga, J A', 'Izquierdo, J M', 'Lukierski, J'] | ['An action for supergravity interacting with super-p-brane sources'] | ['Particle Physics - Theory'] | ['supergravity', 'membrane model, p-brane', 'Einstein equation', 'field theory, action', 'fermion, symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104209'] | ['We describe the coupled system of supergravity and a superbrane source by the sum of the group manifold action for D--dimensional supergravity and the action for a super--$p$--brane. We derive the generalized Einstein equation with the source and discuss the local fermionic symmetries of the coupled action. Our schem... | ['2001-04-25'] |
779 | ['eng'] | ['Konishi, Y', 'Naka, M'] | ['Coset Construction of $Spin(7), G_2$ Gravitational Instantons'] | ['Particle Physics - Theory'] | ['space-time', 'fibre bundle', 'holonomy, Spin(7)', 'holonomy, G(2)', 'differential forms', 'coset space', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104208'] | ['We study metrics on non-compact manifolds with the exceptional holonomy $Spin(7), G_2$. Using the formulation with vector fields, we investigate the metrics with $Spin(7)$ holonomy recently found by Cveti\\v{c}, Gibbons, L\\"u and Pope [hep-th/0103155]. Furthermore, we develop the similar formulation for metrics with... | ['2001-04-25'] |
780 | ['eng'] | ['Emparan, R', 'Teo, E'] | ['Macroscopic and Microscopic Description of Black Diholes'] | ['Particle Physics - Theory'] | ['black hole, pair', 'Einstein-Maxwell equation, solution', 'entropy', 'string model', 'dilaton', 'M-theory', 'gauge field theory, U(1)**4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104206'] | ["We study configurations consisting of a pair of non-extremal black holes in four dimensions, both with the same mass, and with charges of the same magnitude but opposite sign---diholes, for short. We present such exact solutions for Einstein-Maxwell theory with arbitrary dilaton coupling, and also solutions to the U(... | ['2001-04-25'] |
781 | ['eng'] | ['Lu, W F', 'Kim, C K'] | ["Gaussian Effective Potential and the Coleman's normal-ordering Prescription"] | ['Particle Physics - Theory'] | ['effective potential', 'field theory, scalar', 'renormalization', 'finite temperature'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104205'] | ["For a class of system, the potential of whose Bosonic Hamiltonian has a Fourier representation in the sense of tempered distributions, we calculated the Gaussian effective potential within the framework of functional integral formalism. We show that the Coleman's normal-ordering prescription can be formally generaliz... | ['2001-04-25'] |
782 | ['eng'] | ['Itoh, T', 'Oh, P', 'Ryou, C'] | ['Duality and Enhanced Gauge Symmetry in 2+1 Dimensions'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(N-1)', 'dimension, 3', 'duality', 'gauge field theory, U(1) x U(1)', 'gauge field theory, U(2)', 'expansion 1/N', 'mass, gap', 'critical phenomena', 'renormalization', 'fixed point', 'vacuum state', 'effective action', 'vacuum polarization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104204'] | ['We investigate the enlarged CP(N) model in 2+1 dimensions. This is a hybrid of two CP(N) models coupled with each other in a dual symmetric fashion, and it exhibits the gauge symmetry enhancement and radiative induction of the finite off-diagonal gauge boson mass as in the 1+1 dimensional case. We solve the mass gap ... | ['2001-04-25'] |
783 | ['eng'] | ['Hori, K', 'Kapustin, A A'] | ['Duality of the Fermionic 2d Black Hole and N=2 Liouville Theory as Mirror Symmetry'] | ['Particle Physics - Theory'] | ['black hole, fermion', 'dimension, 2', 'field theory, Liouville', 'symmetry, mirror', 'coset space, SL(2,R)/U(1)', 'duality', 'string model', 'supersymmetry', 'field theory, conformal', 'dilaton, linear', 'central charge', 'anomaly', 'deformation, marginal', 'orbifold', 'Wess-Zumino-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104202'] | ['We prove the equivalence of the SL(2,R)/U(1) Kazama-Suzuki model, which is a fermionic generalization of the 2d Black Hole, and N=2 Liouville theory. We show that this duality is an example of mirror symmetry. The essential part of the derivation is to realize the fermionic 2d Black Hole as the low energy limit of a ... | ['2001-04-25'] |
784 | ['eng'] | ['Deffayet, C', 'Dvali, G', 'Gabadadze, Gregory T', 'Lue, A'] | ['Braneworld Flattening by a Cosmological Constant'] | ['Particle Physics - Theory'] | ['membrane model', 'astrophysics, fundamental constant', 'dimension, 5', 'dimension, 4', 'graviton, propagator', 'violation, Lorentz', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104201'] | ['We present a model with an infinite volume bulk in which a braneworld with a cosmological constant evolves to a static, 4-dimensional Minkowski spacetime. This evolution occurs for a generic class of initial conditions with positive energy densities. The metric everywhere outside the brane is that of a 5-dimensional ... | ['2001-04-25'] |
785 | ['eng'] | ['Diaconescu, D E'] | ['Enhanced D-Brane Categories From String Field Theory'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, string', 'field theory, topological', 'category', 'Chern-Simons term', 'triangulation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104200'] | ['We construct D-brane categories in B-type topological string theory as solutions to string field equations of motion. Using the formalism of superconnections, we show that these solutions form an enhanced triangulated category as defined by Bondal and Kapranov. This analysis is an elaboration on recent work of Lazaro... | ['2001-04-24'] |
786 | ['eng'] | ['Alvarez, O', 'Singer, I M'] | ['Beyond the Elliptic Genus'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'path integral, determinant', 'anomaly', 'approximation, quasiclassical', 'fibre bundle', 'differential equations', 'geometry, algebra', 'Riemann surfaces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104199'] | ['Given a Riemann surface and a riemannian manifold M with certain restrictions, we construct a cobordism invariant of M. This invariant is a generalization of the elliptic genus and it shares some similar properties.'] | ['2001-04-24'] |
787 | ['eng'] | ['Das, S R', 'Zelnikov, A I'] | ['Unruh Radiation, Holography and Boundary Cosmology'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, scalar', 'acceleration', 'Unruh effect', 'holography', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104198'] | ['A uniformly acclerated observer in anti-deSitter space-time is known to detect thermal radiation when the acceleration exceeds a critical value. We investigate the holographic interpretation of this phenomenon. For uniformly accelerated trajectories transverse to the boundary of the AdS space, the hologram is a blob ... | ['2001-04-24'] |
788 | ['eng'] | ['Dotsenko, V S', 'Nguyen, X S', 'Santachiara, R'] | ['Models WD_{n} in the presence of disorder and the coupled models'] | ['Particle Physics - Theory'] | ['statistical mechanics', 'Potts model', 'gas, Coulomb', 'operator, algebra', 'operator, vertex', 'critical phenomena', 'renormalization group, transformation', 'perturbation theory, higher-order', 'operator product expansion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104197'] | ['We have studied the conformal models WD_{n}^{(p)}, n=3,4,5,..., in the presence of disorder which couples to the energy operator of the model. In the limit of p<<1 where p is the corresponding minimal model index, the problem could be analyzed by means of the perturbative renormalization group, with $epsilon$-expansi... | ['2001-04-24'] |
789 | ['eng'] | ['Kapustnikov, A A', 'Shcherbakov, A V'] | ['Linear and nonlinear realizations of superbranes'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'membrane model', 'supersymmetry', 'superspace', 'representation, linear', 'representation, nonlinear', 'multiplet', 'Goldstone particle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104196'] | ['The coordinate transformations which establish the direct relationship between the actions of linear and nonlinear realizations of supermembranes are proposed. It is shown that the Rocek-Tseytlin constraint known in the framework of the linear realization of the theory is simply equivalent to a limit of a "pure" nonl... | ['2001-04-24'] |
790 | ['eng'] | ['Smilga, A V'] | ['Tenacious Domain Walls in Supersymmetric QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'supersymmetry', 'domain wall, BPS', 'effective Lagrangian', 'superpotential', 'mass, dependence', 'space-time, anti-de Sitter', 'flavor, asymmetry', 'symmetry breaking, chiral', 'charge, topological', 'charge, fractional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104195'] | ["We study the structure of the tenacious (existing for all values of masses of the matter fields) BPS domain walls interpolating between different chirally asymmetric vacua in supersymmetric QCD in the limit of large masses. We show that the wall consists in this case of three layers: two outer layers form a ``coat'' ... | ['2001-04-24'] |
791 | ['eng'] | ['Diamantini, M Cristina'] | ['Duality and Confinement in Massive Antisymmetric Tensor Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, tensor', 'field theory, massive', 'mass, topological', 'duality', 'defect, topological', 'defect, condensation', 'Wilson loop', 'confinement', 'any-dimensional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104192'] | ['We extend the duality between massive and topologically massive antisymmetric tensor gauge theories in arbitrary space-time dimensions to include topological defects. We show explicitly that the condensation of these defects leads, in 4 dimensions, to confinement of electric strings in the two dual models. The dual p... | ['2001-04-24'] |
792 | ['eng'] | ['Das, A', 'Popowicz, Z'] | ['Supersymmetric Moyal-Lax Representations'] | ['Particle Physics - Theory'] | ['Korteweg-de Vries equation, hierarchy', 'supersymmetry', 'integrability', 'operator, Lax', 'Schroedinger equation, nonlinear', 'algebra, Moyal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104191'] | ['The super Moyal-Lax representation and the super Moyal momentum algebra are introduced and the properties of simple and extended supersymmetric integrable models are systematically investigated. It is shown that, much like in the bosonic cases, the super Moyal-Lax equation can be interpreted as a Hamiltonian equation... | ['2001-04-24'] |
793 | ['eng'] | ['Klemm, D', 'Penati, S', 'Tamassia, L'] | ['Non(anti)commutative Superspace'] | ['Particle Physics - Theory'] | ['supersymmetry', 'superspace, Euclidean', 'differential geometry', 'operator, algebra', 'commutation relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104190'] | ['We investigate the most general non(anti)commutative geometry in N=1 four dimensional superspace. We find that a nontrivial non(anti)commutative superspace geometry compatible with supertranslations exists with non(anti)commutation parameters which may depend on the spinorial coordinates. The algebra is in general no... | ['2001-04-24'] |
794 | ['eng'] | ['Geyer, B', 'Lavrov, P M', 'Nersessian, A P'] | ['Poisson structures in BRST-antiBRST invariant Lagrangian formalism'] | ['Particle Physics - Theory'] | ['Lagrangian formalism', 'invariance, Becchi-Rouet-Stora', 'algebra, triplectic', 'invariance, Sp(2)', 'Poisson bracket', 'path integral, measure', 'differential forms, symplectic'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104189'] | ['We show that the specific operators V^a appearing in the triplectic formalism can be viewed as the anti-Hamiltonian vector fields generated by a second rank irreducible Sp(2) tensor. This allows for an explicit realization of the triplectic algebra being constructed from an arbitrary Poisson bracket on the space of t... | ['2001-04-24'] |
795 | ['eng'] | ['Geyer, B', 'Mülsch, D'] | ['Algebraic renormalization of twisted N=2 supersymmetry with Z=2 central extension'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'field theory, Euclidean', 'mass, topological', 'renormalization', 'dependence, gauge', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'Slavnov identity', 'Ward identity', 'anomaly', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104188'] | ['We study the renormalizability of (massive) topological QCD based on the algebraic BRST technique by adopting a non-covariant Landau type gauge and making use of the full topological superalgebra. The most general local counter terms are determined and it is shown that in the presence of central charges the BRST coho... | ['2001-04-24'] |
796 | ['eng'] | ['Akulov, V P'] | ['Non-linear way to Supersymmetry and N-extended SUSY'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 2000/10/13', 'supersymmetry, history', 'superspace', 'nonlinear', 'group theory, SL(2,C)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104187'] | ["In this report I give the short historical review some of the first steps that were done to the invention of SUSY in Kharkov team headed by D.Volkov. This paper is dedicated to the memory of Prof. Yu. Gol'fand, whose ideas of SUSY inspired the most active developments in High Energy Physics over thirty years."] | ['2001-04-24'] |
797 | ['eng'] | ['Mitra, P'] | ['Chiral phase in fermionic measure and the resolution of the strong CP problem'] | ['Particle Physics - Theory'] | ['strong interaction, CP', 'gauge field theory, SU(3)', 'fermion, measure', 'symmetry, chiral', 'quark, mass'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104186'] | ['The fermionic measure in the functional integral of a gauge theory suffers from an ambiguity in the form of a chiral phase. By fixing it, one is led once again to the conclusion that a chiral phase in the quark mass term of QCD has no effect and cannot cause CP violation.'] | ['2001-04-24'] |
798 | ['eng'] | ['Mukohyama, S'] | ['Integro-differential equation for brane-world cosmological perturbations'] | ['Particle Physics - Theory'] | ['membrane model', 'space-time, anti-de Sitter', 'perturbation, scalar', 'gravitational radiation', 'invariance, gauge', 'symmetry, Z(2)', 'Einstein equation', 'Randall-Sundrum model', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104185'] | ["Cosmological perturbations in the brane-world cosmology with a positive tension brane in the AdS background bulk geometry is analyzed by using the doubly gauge-invariant formalism. We derive four independent equations for scalar perturbations in the plane symmetric (K=0) background. Three of these equations are diffe... | ['2001-04-24'] |
799 | ['eng'] | ['Higashijima, K', 'Kimura, T', 'Nitta, M'] | ['Supersymmetric Nonlinear Sigma Models on Ricci-flat Kahler Manifolds with O(N) Symmetry'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'supersymmetry', 'symmetry, O(N)', 'space, Kaehler', 'dimension, 2'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104184'] | ['We propose a class of N=2 supersymmetric nonlinear sigma models on the Ricci-flat Kahler manifolds with O(n) symmetry.'] | ['2001-04-24'] |
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