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 |
|---|---|---|---|---|---|---|---|---|
900 | ['eng'] | ['Olive, David I'] | ['The Quantisation of Charges'] | ['Particle Physics - Theory'] | ['talk, Pavia 2000/09/14', 'charge, quantization', 'fundamental constant, charge', 'charge, electric', 'gauge field theory, Yang-Mills', 'soliton', 'magnetic monopole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104063'] | ['The question as to whether the integrality of the spectrum of observed electric charges is due to a quantum effext has fascinated theoretical physicists throughout the last century. It leads to unanswered questions at the heart of quantum field theory and its role as a framework for particle physics.'] | ['2001-04-09'] |
901 | ['eng'] | ['Andreev, O D'] | ['More About Partition Function of Open Bosonic String in Background Fields and String Theory Effective Action'] | ['Particle Physics - Theory'] | ['string model, boson', 'string, open', 'background field', 'partition function', 'effective action', 'correction, derivative', 'renormalization group'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104061'] | ['We refine the relation between the renormalized partition function of the open bosonic string in background fields and the effective action. In the process, we get some leading derivative corrections to the Born-Infeld action which include all powers of the gauge field.'] | ['2001-04-09'] |
902 | ['eng'] | ['Guo, H Y', 'Ji, X', 'Li, Y Q', 'Wu, K'] | ['A Note on Symplectic, Multisymplectic Scheme in Finite Element Method'] | ['Particle Physics - Theory'] | ['differential equations, symplectic', 'differential equations, solution', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104060'] | ['We find that with uniform mesh, the numerical schemes derived from finite element method can keep a preserved symplectic structure in one-dimensional case and a preserved multisymplectic structure in two-dimentional case in certain discrete version respectively. These results are in fact the intrinsic reason that the... | ['2001-04-09'] |
903 | ['eng'] | ['Tezuka, K I'] | ['Relations between Non-Commutative and Commutative Spacetime'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'duality', 'differential geometry, noncommutative', 'field theory, conformal', 'string model', 'Seiberg-Witten model', 'field theory, tensor', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104059'] | ['Spacetime non-commutativity appears in string theory. In this paper, the non-commutativity in string theory is reviewed. At first we review that a Dp-brane is equivalent to a configuration of infinitely many D($p-2$)-branes. If we consider the worldvolume as that of the Dp-brane, coordinates of the Dp-brane is commut... | ['2001-04-09'] |
904 | ['eng'] | ['Berglund, P', 'Hübsch, T', 'Minic, D'] | ['Localized Gravity and Large Hierarchy from String Theory ?'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'any-dimensional', 'membrane model', 'mass, hierarchy', 'dilaton', 'axion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104057'] | ['Within a $D$-dimensional superstring spacetime, we construct a non-supersymmetric brane-world with localized gravity and large hierarchy between the scale in the bulk, $M_D$, and the scale on the brane, $M_{D-2}$. The localization of gravity and the large hierarchy are both guaranteed by the presence of non-trivial s... | ['2001-04-06'] |
905 | ['eng'] | ['Ceresole, Anna T', "Dall'Agata, G", 'Kallosh, R', 'Van Proeyen, A'] | ['Hypermultiplets, domain walls and supersymmetric attractors'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'multiplet', 'domain wall, BPS', 'attractor', 'critical phenomena', 'membrane model', 'renormalization group', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104056'] | ['We establish general properties of supersymmetric flow equations and of the superpotential of five-dimensional N = 2 gauged supergravity coupled to vector and hypermultiplets. We provide necessary and sufficient conditions for BPS domain walls and find a set of algebraic attractor equations for N = 2 critical points.... | ['2001-04-06'] |
906 | ['eng'] | ['Gaete, P', 'Schmidt, I'] | ['Remarks on Screening in a Gauge-Invariant Formalism'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'quark, confinement', 'invariance, gauge', 'effect, screening', 'effective Lagrangian', 'binding energy', 'Schwinger model, chiral', 'Chern-Simons term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104055'] | ['In this paper we display a direct and physically attractive derivation of the screening contribution to the interaction potential in the Chiral Schwinger model and generalized Maxwell-Chern-Simons gauge theory. It is shown that these results emerge naturally when a correct separation between gauge-invariant and gauge... | ['2001-04-06'] |
907 | ['eng'] | ['Alekseev, A Yu', 'Recknagel, A', 'Schomerus, V'] | ['Open Strings and Non-commutative Geometry of Branes on Group Manifolds'] | ['Particle Physics - Theory'] | ['talk, Villa Gualino 2000/10/02', 'string model', 'string, open', 'membrane model', 'group theory, geometrical', 'differential geometry, noncommutative', 'Wess-Zumino-Witten model, SU(2)', 'gauge field theory, Yang-Mills', 'space, fuzzy', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104054'] | ['In this contribution we review some recent work on the non-commutative geometry of branes on group manifolds. In particular, we show how fuzzy spaces arise in this context from an exact world-sheet description and we sketch the construction of a low-energy effective action for massless open string modes. The latter i... | ['2001-04-06'] |
908 | ['eng'] | ['Kvinikhidze, A N', 'Blankleider, B'] | ['Covariant perturbation theory for bound states and resonances'] | ['Particle Physics - Theory'] | ['bound state, energy spectrum', 'bound state, wave function', 'resonance', 'perturbation theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104053'] | ['We formulate a covariant perturbation theory for calculating the changes in the energy spectrum and wave function of bound states and resonances induced by perturbations to the Hamiltonian. Set in the context of relativistic quantum field theory, our formulation is the covariant analogue of the time-independent pertu... | ['2001-04-06'] |
909 | ['eng'] | ['Kijowski, J', 'Rudolph, G'] | ['On the Gauss Law and Global Charge for QCD'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'Gauss law', 'lattice field theory', 'Hamiltonian formalism', 'algebra', 'charge, density', 'superselection rule', 'flux'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104052'] | ['The local Gauss law of quantum chromodynamics on a finite lattice is investigated. It is shown that it implies a gauge invariant, additive law giving rise to a gauge invariant ${\\mathbb Z}_3$-valued global charge in QCD. The total charge contained in a region of the lattice is equal to the flux through its boundary ... | ['2001-04-06'] |
910 | ['eng'] | ['Kim, Y S'] | ['Internal Space-time Symmetries of Massive and Massless Particles and their Unification'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'particle, relativistic', 'massive', 'massless', 'space-time, symmetry', 'symmetry, E(2)', 'symmetry, O(3)', 'group theory', 'transformation, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104051'] | ["It is noted that the internal space-time symmetries of relativistic particles are dictated by Wigner's little groups. The symmetry of massive particles is like the three-dimensional rotation group, while the symmetry of massless particles is locally isomorphic to the two-dimensional Euclidean group. It is noted also ... | ['2001-04-06'] |
911 | ['eng'] | ['Smolin, L'] | ['The exceptional Jordan algebra and the matrix string'] | ['Particle Physics - Theory'] | ['matrix model', 'string model', 'algebra, Jordan', 'symmetry breaking', 'group theory, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104050'] | ['A new matrix model is described, based on the exceptional Jordan algebra. The action is cubic, as in matrix Chern-Simons theory. We describe a compactification that, we argue, reproduces, at the one loop level, an octonionic compactification of the matrix string theory in which SO(8) is broken to G2. There are 27 mat... | ['2001-04-06'] |
912 | ['eng'] | ['Kudoh, H', 'Tanaka, T'] | ['Second Order Perturbations in the Randall-Sundrum Infinite Brane-World Model'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model', 'dimension, 5', 'dimension, 4', 'Kaluza-Klein model', 'perturbation, higher-order', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104049'] | ["We discuss the non-linear gravitational interactions in the Randall-Sundrum single brane model. If we naively write down the 4-dimensional effective action integrating over the fifth dimension with the aid of the decomposition with respect to eigen modes of 4-dimensional d'Alembertian, the Kaluza-Klein mode coupling ... | ['2001-04-06'] |
913 | ['eng'] | ['Bekaert, X', 'Cucu, S'] | ['Deformations of duality-symmetric theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'field theory, action', 'duality, transformation', 'field theory, deformation', 'cohomology', 'differential equations, solution', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104048'] | ['We prove that a sum of free non-covariant duality-symmetric actions does not allow consistent, continuous and local self-interactions that deform the gauge transformations. For instance, non-Abelian deformations are not allowed, even in 4 dimensions where Yang-Mills type interactions of 1-forms are allowed in the non... | ['2001-04-06'] |
914 | ['eng'] | ['Kogan, I I', 'Kovner, A', 'Tekin, B'] | ['Deconfinement at N>2'] | ['Particle Physics - Theory'] | ['Georgi-Glashow model', 'gauge field theory, SU(N)', 'Higgs model', 'dimension, 3', 'algebra, Lie', 'algebra, representation', 'effective Lagrangian', 'monopole', 'instanton', 'vortex', 'symmetry breaking', 'statistical mechanics', 'Wess-Zumino-Witten model', 'renormalization group', 'symmetry, Z(N)', 'symmetry, magne... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104047'] | ['We analyse the deconfining phase transition in the SU(N) Georgi-Glashow model in 2+1 dimensions. We show that the phase transition is second order for any N, and the universality class is different from the Z(N) invariant Villain model. At large N the conformal theory describing the fixed point is a deformed SU(N)_1 ... | ['2001-04-06'] |
915 | ['eng'] | ['Brecher, D', 'Chamblin, A'] | ['On the Eleven-Dimensional Origins of Polarized D0-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'polarization', 'dimension, 11', 'supersymmetry', 'supergravity', 'dimensional reduction', 'asymptotic behavior'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104046'] | ["The worldvolume theory of a D0-brane contains a multiplet of fermions which can couple to background spacetime fields. This coupling implies that a D0-brane may possess multipole moments with respect to the various type IIA supergravity fields. Different such polarization states of the D0-brane will thus generate dif... | ['2001-04-06'] |
916 | ['eng'] | ['Mukhi, S', 'Suryanarayana, N V'] | ['Gauge-Invariant Couplings of Noncommutative Branes to Ramond-Ramond Backgrounds'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'differential geometry, noncommutative', 'field theory, action', 'Wilson loop', 'operator, algebra', 'Seiberg-Witten model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104045'] | ['We derive the couplings of noncommutative D-branes to spatially varying Ramond-Ramond fields, extending our earlier results in hep-th/0009101. These couplings are expressed in terms of *n products of operators involving open Wilson lines. Equivalence of the noncommutative to the commutative couplings implies interest... | ['2001-04-06'] |
917 | ['eng'] | ['Gutperle, M', 'Sabra, W A'] | ['A Supersymmetric Solution in N=2 Gauged Supergravity with the Universal Hypermultiplet'] | ['Particle Physics - Theory'] | ['gauge field theory', 'supergravity', 'dimension, 5', 'supersymmetry', 'multiplet', 'axion', 'M-theory', 'space-time, Calabi-Yau', 'flux, background', 'electric field', 'field theory, scalar', 'symmetry, SO(4)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104044'] | ['We present supersymmetric solutions for the theory of gauged supergravity in five dimensions obtained by gauging the shift symmetry of the axion of the universal hypermultiplet. This gauged theory can also be obtained by dimensionally reducing M-theory on a Calabi-Yau threefold with background flux. The solution foun... | ['2001-04-06'] |
918 | ['eng'] | ['Fredenhagen, Stefan', 'Schomerus, V'] | ['Brane Dynamics in CFT Backgrounds'] | ['Particle Physics - Theory'] | ['talk, Mumbai 2001/01/05', 'membrane model', 'field theory, conformal', 'bound state', 'Wess-Zumino-Witten model', 'fermion, parastatistics', 'effective action', 'decoupling', 'geometry, quasiclassical', 'gauge field theory, noncommutative', 'gauge field theory, fuzzy', 'string model', 'K-theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104043'] | ['In this note we discuss bound states of un- or meta-stable brane configurations in various non-trivial (curved) backgrounds. We begin by reviewing some known results concerning brane dynamics on group manifolds. These are then employed to study condensation in cosets of the WZW model. While the basic ideas are more g... | ['2001-04-05'] |
919 | ['eng'] | ['Frolov, S'] | ['On off-shell structure of open string sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'string model, open', 'partition function', 'effective action', 'perturbation theory, higher-order', 'expansion, derivative', 'renormalization group, beta function', 'fermion'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104042'] | ['We analyze several problems related to off-shell structure of open string sigma model by using a combination of derivative expansion and expansion in powers of the fields. According to the sigma model approach to bosonic open string theory, the tachyon effective action $S(T)$ coincides with the renormalized partition... | ['2001-04-05'] |
920 | ['eng'] | ['Minasian, R', 'Tomasiello, A'] | ['Variations on stability'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'gauge field theory, Yang-Mills', 'supersymmetry', 'instanton', 'duality', 'field equations, solution', 'tachyon', 'vortex', 'fluctuation', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104041'] | ['We explore the effects of non-abelian dynamics of D-branes on their stability and introduce Hitchin-like modifications to previously-known stability conditions. The relation to brane-antibrane systems is used in order to rewrite the equations in terms of superconnections and arrive at deformed vortex equations.'] | ['2001-04-05'] |
921 | ['eng'] | ['Fabris, J C', 'Spindel, P'] | ['Scalar perturbations in a primordial inflationary scenario'] | ['Particle Physics - Theory'] | ['inflationary universe', 'perturbation, scalar', 'critical phenomena', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104040'] | ['We compute the spectral index for scalar perturbations generated in a primordial inflationary model. In this model, the transition of the inflationary phase to the radiative era is achieved through the decay of the cosmological term leading a second order phase transition and the characteristics of the model allow to... | ['2001-04-05'] |
922 | ['eng'] | ['Arcioni, G', 'De Haro, S', "O'Loughlin, M H"] | ['Boundary description of Planckian scattering in curved spacetimes'] | ['Particle Physics - Theory'] | ['space-time', 'gravitation', 'approximation, eikonal', 'holography', 'scaling', 'scattering', 'shock waves', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104039'] | ['We show that for an eikonal limit of gravity in a space-time of any dimension with a non-vanishing cosmological constant, the Einstein -- Hilbert action reduces to a boundary action. This boundary action describes the interaction of shock-waves up to the point of evolution at which the forward light-cone of a collisi... | ['2001-04-05'] |
923 | ['eng'] | ['Lazzarini, S', 'Schücker, T'] | ['A Farewell To Unimodularity'] | ['Particle Physics - Theory'] | ['gravitation', 'electromagnetic field', 'differential geometry, noncommutative', 'field theory, action', 'invariance, diffeomorphism', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104038'] | ["We interpret the unimodularity condition in almost commutative geometries as central extensions of spin lifts. In Connes' formulation of the standard model this interpretation allows to compute the hypercharges of the fermions."] | ['2001-04-05'] |
924 | ['eng'] | ['Edelstein, J D', 'Oh, K', 'Tatar, R'] | ['Orientifold, Geometric Transition and Large N Duality for SO/Sp Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'supersymmetry', 'expansion 1/N', 'duality', 'potential, superpotential', 'orientifold', 'geometry, algebra', 'field theory, deformation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104037'] | ['We extend the large N duality of four dimensional N=1 supersymmetric Yang-Mills theory with additional chiral fields and arbitrary superpotential recently proposed by Cachazo, Intriligator and Vafa to the case of SO/Sp gauge groups. By orientifolding the geometric transition, we investigate a large N duality between ... | ['2001-04-05'] |
925 | ['eng'] | ['Okawa, Y', 'Ooguri, H'] | ['An Exact Solution to Seiberg-Witten Equation of Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'Seiberg-Witten model', 'differential geometry, noncommutative', 'conservation law'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104036'] | ['We derive an exact expression for the Seiberg-Witten map of noncommutative gauge theory. It is found by studying the coupling of the gauge field to the Ramond-Ramond potentials in string theory. Our result also proves the earlier conjecture by Liu.'] | ['2001-04-05'] |
926 | ['eng'] | ['Hill, Christopher T', 'Pokorski, S', 'Wang, J'] | ['Gauge Invariant Effective Lagrangian for Kaluza-Klein Modes'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'effective Lagrangian', 'invariance, gauge', 'dimension, 5', 'Kaluza-Klein model', 'dimensional reduction', 'particle, multiplet', 'coupling constant', 'renormalization', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104035'] | ['We construct a manifestly gauge invariant Lagrangian in 3+1 dimensions for N Kaluza-Klein modes of an SU(m) gauge theory in the bulk. For example, if the bulk is 4+1, the effective theory is \\Pi_{i=1}^{N+1} SU(m)_i with N chiral (\\bar{m},m) fields connecting the groups sequentially. This can be viewed as a continuu... | ['2001-04-05'] |
927 | ['eng'] | ['Oehme, Reinhard'] | ['Superconvergence Relations'] | ['Particle Physics - Theory'] | ['gauge field theory', 'structure function', 'sum rule', 'dispersion relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104033'] | ['For a limited number of matter fields, the discontinuity of the transverse gauge field propagator can satisfy an exact sum rule. With controlled and limited gauge dependence, this supercconvergence relation is of physical interest.'] | ['2001-04-04'] |
928 | ['eng'] | ['Strassler, M J'] | ['On Methods for Extracting Exact Non-perturbative Results in Non-supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'nonperturbative', 'orbifold', 'expansion 1/N', 'supersymmetry', 'symmetry, Z(N)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104032'] | ['At large N, a field theory and its orbifolds (given by projecting out some of its fields) share the same planar graphs. If the parent-orbifold relation continues even nonperturbatively, then properties such as confinement and chiral symmetry breaking will appear in both parent and orbifold. N=1 supersymmetric Yang-Mi... | ['2001-04-04'] |
929 | ['eng'] | ['Rudychev, I'] | ['From Superalgebras to Superparticles and Superbranes'] | ['Particle Physics - Theory'] | ['thesis', 'supersymmetry, algebra', 'higher-dimensional', 'membrane model', 'central charge', 'particle', 'quantization, Becchi-Rouet-Stora', 'M-theory', 'multiplet', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104031'] | ["In this work we investigate connections between superalgebras and their realizations in terms of particles, branes and field theory models. We start from Poincar\\'e superalgebras with brane charges and study its representations. The existence of new supermultiplets in different dimensions including an ultra short su... | ['2001-04-04'] |
930 | ['eng'] | ['Agasian, N O', 'Antonov, D'] | ['Confining strings and RG flow in the (2+1)-dimensional Georgi-Glashow model and its SU(N)-generalization'] | ['Particle Physics - Theory'] | ['Georgi-Glashow model', 'dimension, 3', 'finite temperature', 'renormalization group', 'string, confinement', 'symmetry, SU(N)', 'approximation, strong coupling', 'Higgs particle, mass', 'photon, mass', 'XY model', 'magnetic monopole, potential', 'Wilson loop', 'critical phenomena', 'string, coupling constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104029'] | ['Confining strings and RG flow at finite temperature are investigated in the (2+1)-dimensional Georgi-Glashow model and its SU(N)-generalization. This is done in the strong coupling limit and in the leading order in the inverse mass of the Higgs field, which is supposed to be large, but finite. In the case of the theo... | ['2001-04-04'] |
931 | ['eng'] | ['Abild-Pedersen, F', 'Vernizzi, G'] | ['On the Microscopic Spectra of the Massive Dirac Operator for Chiral Orthogonal and Chiral Symplectic Ensembles'] | ['Particle Physics - Theory'] | ['statistical mechanics, Euclidean', 'matrix model, random', 'operator, Dirac', 'partition function', 'correlation function', 'gauge field theory, Yang-Mills', 'fermion, massive', 'fermion, flavor', 'phase space, Hilbert space', 'symmetry, chiral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104028'] | ['Using Random Matrix Theory we set out to compute the microscopic correlators of the Euclidean Dirac operator in four dimensions. In particular we consider: the chiral Orthogonal Ensemble (chOE), corresponding to a Yang-Mills theory with two colors and fermions in the fundamental representation, and the chiral Symplec... | ['2001-04-04'] |
932 | ['eng'] | ['Fursaev, D V', 'Zelnikov, A I'] | ['Thermodynamics, Euclidean Gravity and Kaluza-Klein Reduction'] | ['Particle Physics - Theory'] | ['gravitation', 'field theory, Euclidean', 'dimension, >4', 'Kaluza-Klein model', 'dimensional reduction', 'finite temperature', 'path integral', 'effective action', 'thermodynamics', 'perturbation theory, higher-order', 'energy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104027'] | ['The aim of this paper is to find out a correspondence between one-loop effective action $W_E$ defined by means of path integral in Euclidean gravity and the free energy $F$ obtained by summation over the modes. The analysis is given for quantum fields on stationary space-times of a general form. For such problems a c... | ['2001-04-04'] |
933 | ['eng'] | ['Petrini, M', 'Russo, R', 'Zaffaroni, A'] | ['N=2 Gauge Theories and Systems with Fractional Branes'] | ['Particle Physics - Theory'] | ['supergravity', 'membrane model', 'membrane, fractional', 'Seiberg-Witten model', 'duality', 'geometry, algebra', 'field equations, solution', 'gauge field theory', 'enhancon', 'moduli space', 'orbifold, singularity', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104026'] | ['We analyse the Seiberg Witten curve describing the N=2 gauge theory dual to the supergravity solution with fractional branes. Emphasis is given to those aspects that are related to stringy mechanism known as the enhancon. We also compare our results with the features of the supergravity duals, which have been various... | ['2001-04-04'] |
934 | ['eng'] | ['Santangelo, E M'] | ['Evaluation of Casimir energies through spectral functions'] | ['Particle Physics - Theory'] | ['talk, St. Petersburg 2000/12/04', 'field theory, scalar', 'field theory, massless', 'field theory, massive', 'boundary condition', 'energy, Casimir', 'operator, differential', 'regularization, zeta function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104025'] | ['This is an introductory set of lectures on elliptic differential operators and boundary problems, and their associated spectral functions. The role of zeta functions and traces of heat kernels in the regularization of Casimir energies is emphasized, and the renormalization issue is discussed through simple examples.'... | ['2001-04-04'] |
935 | ['eng'] | ['Pelissetto, A', 'Rossi, P', 'Vicari, E'] | ['Large-n Critical Behavior of O(n)xO(m) Spin Models'] | ['Particle Physics - Theory'] | ['model, spin', 'symmetry, O(N) x O(M)', 'critical phenomena', 'epsilon expansion', 'fixed point', 'expansion 1/N', 'gauge field theory, nonabelian', 'Landau-Ginzburg model', 'sigma model, nonlinear', 'dimension, 2-4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104024'] | ['We consider the Landau-Ginzburg-Wilson Hamiltonian with O(n)x O(m) symmetry and compute the critical exponents at all fixed points to O(n^{-2}) and to O(\\epsilon^3) in a \\epsilon=4-d expansion. We also consider the corresponding non-linear sigma model and determine the fixed points and the critical exponents to O(\... | ['2001-04-04'] |
936 | ['eng'] | ['Brax, P', 'Davis, A C'] | ['Cosmological Evolution on Self-Tuned Branes and the Cosmological Constant'] | ['Particle Physics - Theory'] | ['membrane model', 'astrophysics, fundamental constant', 'field theory, scalar', 'supergravity', 'astrophysics, acceleration', 'dimension, 5', 'dark energy', 'matter'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104023'] | ['We consider the cosmological evolution of a bulk scalar field and ordinary matter living on the brane world in the light of the constraints imposed by the matter dominated cosmological evolution and a small cosmological constant now. We rule out models with a self-tuned minimum of the four dimensional potential as th... | ['2001-04-04'] |
937 | ['eng'] | ['Cervi, L', 'Griguolo, L', 'Seminara, D'] | ['The structure of radiatively induced Lorentz and CPT violation in QED at finite temperature'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'finite temperature', 'symmetry breaking, Lorentz', 'violation, CPT', 'regularization, dimensional', 'Chern-Simons term', 'Ward identity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104022'] | ['We obtain the induced Lorentz- and CPT-violating term in QED at finite temperature using imaginary-time formalism and dimensional regularization. Its form resembles a Chern-Simons-like structure, but, unexpectedly, it does not depend on the temporal component of the fixed $b_\\mu$ constant vector that is coupled to t... | ['2001-04-04'] |
938 | ['eng'] | ['Dhar, A', 'Kitazawa, Y'] | ['Loop Equation and Wilson line Correlators in Non-commutative Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, noncommutative', 'Dyson-Schwinger equation', 'Wilson loop', 'two-point function', 'field theory, string', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104021'] | ['We investigate Schwinger-Dyson equations for correlators of Wilson line operators in non-commutative gauge theories. We point out that, unlike what happens for closed Wilson loops, the joining term survives in the planar equations. This fact may be used to relate the correlator of an arbitrary number of Wilson lines ... | ['2001-04-04'] |
939 | ['eng'] | ['Piao, Y S', 'Zhang, X', 'Zhang, Y Z'] | ['On Stability Of The Crystal Universe Models'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'crystal', 'stability', 'dimension, 5', 'space-time, anti-de Sitter', 'membrane model', 'field theory, scalar'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104020'] | ['We generalize the Goldberger-Wise mechanism and study the stability of the Crystal Universe models. We show that the model can be stabilized, however for configurations of Crystal Universe in the absence of fine-tuning, brane crystals are not equidistant, i.e. a $"-+"$ pair is far away from adjacent $"-+"$ pair, exce... | ['2001-04-04'] |
940 | ['eng'] | ['Nikishov, A I'] | ['Vector boson in constant electromagnetic field'] | ['Particle Physics - Theory'] | ['W, wave function', 'electromagnetic field, external field', 'W, propagator', 'Bogolyubov transformation', 'W, spin', 'electromagnetic field, constant', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104019'] | ['The propagator and complete sets of in- and out-solutions of wave equation, together with Bogoliubov coefficients, relating these solutions, are obtained for vector $W$-boson (with gyromagnetic ratio $g=2$) in a constant electromagnetic field. When only electric field is present the Bogoliubov coefficients are indepe... | ['2001-04-04'] |
941 | ['eng'] | ['Hadasz, L', 'Lindström, U', 'Rocek, Martin', 'Von Unge, R'] | ['Noncommutative Solitons'] | ['Particle Physics - Theory'] | ['dimension, 2', 'soliton', 'moduli space', 'differential geometry, noncommutative', 'quantization', 'stability', 'fluctuation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104017'] | ['We find the N-soliton solution at infinite theta, as well as the metric on the moduli space corresponding to spatial displacements of the solitons. We use a perturbative expansion to incorporate the leading 1/theta corrections, and find an effective short range attraction between solitons. We study the stability of v... | ['2001-04-03'] |
942 | ['eng'] | ['Bianchi, M', 'Kovács, S J', 'Rossi, G', 'Stanev, Y S'] | ['Properties of the Konishi multiplet in N=4 SYM theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, superfield', 'particle, multiplet', 'n-point function', 'operator product expansion', 'scaling, violation', 'operator, composite', 'invariance, gauge', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104016'] | ["We study perturbative and non-perturbative properties of the Konishi multiplet in N=4 SYM theory in D=4 dimensions. We compute two-, three- and four-point Green functions with single and multiple insertions of the lowest component of the multiplet, and of the lowest component of the supercurrent multiplet. These comp... | ['2001-04-03'] |
943 | ['eng'] | ['Aste, A'] | ['Fock Vacuum Instability and Causality'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'quantum electrodynamics', 'quantum gravity', 'Fock space', 'vacuum state, stability', 'perturbation theory, causality', 'S-matrix', 'field theory, massless'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104014'] | ['The vacuum diagram is calculated at second order for theories with self-interacting massless fields in the framework of finite causal perturbation theory. It is pointed out that the infrared behaviour of the vacuum diagram leads to unstable Fock vacua for QCD or massless QED, but not for quantum gravity. Furthermore,... | ['2001-04-03'] |
944 | ['eng'] | ['Sugihara, T'] | ['Basis Optimization Renormalization Group for Quantum Hamiltonian'] | ['Particle Physics - Theory'] | ['renormalization group', 'Hilbert space', 'energy spectrum', 'wave function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104013'] | ['We propose a renormalization group algorithm for quantum Hamiltonian to calculate energy and wavefunctions of a small arbitrary number of low-lying states in finite dimensional Hilbert space with high accuracy. This algorithm is free from limitations associated with dimensionality and interaction types of models. We ... | ['2001-04-03'] |
945 | ['eng'] | ['Sugihara, T', 'Taniguchi, M'] | ['Manifestation of the true vacuum in DLCQ'] | ['Particle Physics - Theory'] | ['quantization, light cone', 'discrete', 'vacuum state', 'phi**n model, 4', 'dimension, 2', 'effective potential', 'continuum limit', 'zero mode', 'symmetry, spontaneously broken', 'variational'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104012'] | ['Scalar field theories defined with DLCQ cannot describe spontaneous symmetry breaking correctly without a constrained zero mode and constant external field. We demonstrate that this statement is really true by performing analytic variational calculations in (1+1)-dimensional $\\lambda\\phi^4$ model. The effective pot... | ['2001-04-03'] |
946 | ['eng'] | ['Youm, D'] | ['A Note on Thermodynamics and Holography of Moving Giant Gravitons'] | ['Particle Physics - Theory'] | ['graviton', 'membrane model', 'astrophysics, model', 'holography', 'thermodynamics', 'entropy'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104011'] | ["In our previous work (Phys. Rev. D63, 085010, hep-th/0011290), we showed that the brane universe on the giant graviton moving in the near-horizon background of the dilatonic D(6-p)-brane is described by the mirage cosmology. We study thermodynamic properties of the moving giant graviton by applying thermodynamics of ... | ['2001-04-03'] |
947 | ['eng'] | ['Hellerman, S', 'McGreevy, J'] | ['D(NA)-Branes'] | ['Particle Physics - Theory'] | ['membrane model', 'string model', 'T-duality', 'soliton', 'Hall effect', 'biology'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104010'] | ['We engineer a configuration of branes in type IIB string theory whose mechanical structure is that of a DNA molecule. We obtain it by considering a T-dual description of the quantum Hall soliton. Using a probe analysis, we investigate the dynamics of the system and show that it is stable against radial perturbations.... | ['2001-04-03'] |
948 | ['eng'] | ['Emparan, R'] | ['Exact Gravitational Shockwaves and Planckian Scattering on Branes'] | ['Particle Physics - Theory'] | ['gravitational radiation, shock waves', 'Randall-Sundrum model', 'membrane model', 'scattering amplitude, forward scattering', 'Kaluza-Klein model', 'impact parameter, dependence'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104009'] | ['We obtain a solution describing a gravitational shockwave propagating along a Randall-Sundrum brane. The interest of such a solution is twofold: on the one hand, it is the first exact solution for a localized source on a Randall-Sundrum three-brane. On the other hand, one can use it to study forward scattering at Pla... | ['2001-04-03'] |
949 | ['eng'] | ['Boos, H E', 'Korepin, V E'] | ['Quantum Spin Chains and Riemann Zeta Function with Odd Arguments'] | ['Particle Physics - Theory'] | ['model, spin', 'ferromagnet', 'zeta function', 'correlation function', 'operator, vertex'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104008'] | ['Riemann zeta function is an important object of number theory. We argue that it is related to Heisenberg spin 1/2 anti-ferromagnet. In the XXX spin chain we study the probability of formation of a ferromagnetic string in the anti-ferromagnetic ground state. We prove that for short strings the probability can be expre... | ['2001-04-03'] |
950 | ['eng'] | ['Knecht, K', 'Verschelde, H'] | ['A new start for local composite operators'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'field theory, massless', 'operator, composite', 'effective potential', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104007'] | ['We present a formalism for local composite operators. The corresponding effective potential is unique, multiplicatively renormalizable, it is the sum of 1PI diagrams and can be interpreted as an energy-density. First we apply this method to $\\lambda \\Phi^4$ theory where we check renormalizability up to three loops ... | ['2001-04-03'] |
951 | ['eng'] | ['Hosotani, Y'] | ['Solitons in the false vacuum'] | ['Particle Physics - Theory'] | ['talk, Kyoto 2000/12/20', 'soliton', 'vacuum state', 'field theory, scalar', 'black hole', 'potential', 'shell model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104006'] | ['When a potential for a scalar field has two local minima, there arises structure of spherical shells due to gravitational interactions.'] | ['2001-04-03'] |
952 | ['eng'] | ['Arkani-Hamed, N', 'Cohen, Andrew G', 'Georgi, Howard M'] | ['(De)Constructing Dimensions'] | ['Particle Physics - Theory'] | ['group theory, SU(N) x SU(N)', 'group theory, discrete', 'gauge field theory', 'dimension, 4', 'dimension, 5', 'asymptotic freedom', 'renormalization', 'invariance, Lorentz'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104005'] | ['We construct renormalizable, asymptotically free, four dimensional gauge theories that dynamically generate a fifth dimension.'] | ['2001-04-03'] |
953 | ['eng'] | ['Zois, I P'] | ['Black Hole Entropy, Topological Entropy and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['black hole, entropy', 'entropy, topological', 'geometry, noncommutative', 'torus', 'holonomy', 'Hall effect', 'matrix model', 'spontaneous compactification', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104004'] | ['Foliated manifolds are particular examples of noncommutative spaces. In this article we try to give a qualitative description of the Godbillon-Vey class and its relation on the one hand to the holonomy and on the other hand to the topological entropy of a foliation, using a remarkable theorem proved recently by G. Du... | ['2001-04-03'] |
954 | ['eng'] | ['Bellucci, S', 'Galajinsky, A V'] | ['Restoring Lorentz Invariance in Classical N=2 String'] | ['Particle Physics - Theory'] | ['string model, classical', 'Lagrangian formalism', 'invariance, Lorentz', 'symmetry, SO(2,2)', 'current, topological', 'symmetry, U(1,1)', 'Hamiltonian formalism', 'string model, action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0104003'] | ['We study classical N=2 string within the framework of the N=4 topological formalism by Berkovits and Vafa. Special emphasis is put on the demonstration of a classical equivalence of the theories and the construction of an action for the N=4 topological string. The SO(2,2) Lorentz invariance missing in the conventiona... | ['2001-04-03'] |
955 | ['eng'] | ['Giannakis, I', 'Ren, H'] | ['Linearized Gravity in Isotropic Coordinates in the Brane World'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'Einstein equation, solution', 'gravitation, linear', 'space-time, Schwarzschild', 'space-time, horizon', 'horizon'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103265'] | ['We solve the Einstein equations in the Randall-Sundrum framework using an isotropic ansatz for the metric and obtain an exact expression to first order in the gravitational coupling. The solution is free from metric singularities away from the source and it satisfies the Israel matching condition on a straight brane.... | ['2001-04-02'] |
956 | ['eng'] | ['Hahn, S O', 'Kiem, Y H', 'Kim, Y', 'Oh, P'] | ['Path integral formulation of Hodge duality on the brane'] | ['Particle Physics - Theory'] | ['membrane model', 'Randall-Sundrum model', 'duality, Hodge', 'field theory, scalar', 'field theory, tensor', 'path integral', 'zero mode', 'differential forms'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103264'] | ['In the warped compactification with a single Randall-Sundrum brane, a puzzling claim has been made that scalar fields can be bound to the brane but their Hodge dual higher-rank anti-symmetric tensors cannot. By explicitly requiring the Hodge duality, a prescription to resolve this puzzle was recently proposed by Duff... | ['2001-04-02'] |
957 | ['eng'] | ['Fatollahi, A H'] | ['On Non-Abelian Structure From Matrix Coordinates'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'quantum mechanics', 'M-theory', 'symmetry, U(N)', 'charged particle', 'gauge field theory, Yang-Mills', 'background field', 'string model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103262'] | ['We consider the matrix quantum mechanics of N D0-branes in the background of the 1-form RR field. It is observed that the transformations of matrix coordinates of D0-branes induce on the Abelian RR field symmetry transformations that are like those of non-Abelian gauge fields. The Lorentz-like equations of motion for... | ['2001-04-02'] |
958 | ['eng'] | ['Moral, M P G', 'Restuccia, A'] | ['On The spectrum of a Noncommutative Formulation of the D=11 Supermembrane with Winding'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'symmetry, SU(N)', 'regularization', 'differential forms', 'duality', 'gauge field theory, symplectic', 'gauge field theory, noncommutative', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103261'] | ['A regularized model of the double compactified D=11 supermembrane with nontrivial winding in terms of SU(N) valued maps is obtained. The condition of nontrivial winding is described in terms of a nontrivial line bundle introduced in the formulation of the compactified supermembrane. The multivalued geometrical object... | ['2001-04-02'] |
959 | ['eng'] | ['Bonneau, G', 'Casteill, P Y'] | ['Dualised sigma-models at the two-loop order'] | ['Particle Physics - Theory'] | ['sigma model, chiral', 'T-duality', 'symmetry, SU(2)', 'renormalization', 'higher-order, 2', 'space-time, deformation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103260'] | ['We adress ourselves the question of the quantum equivalence of dualised $\\si$-models on the simple example of the T-dualised $SU(2) \\si$-model. This theory is classically canonically equivalent to the standard chiral $SU(2) \\si$-model. It is known that the equivalence also holds at the first order in perturbations... | ['2001-04-02'] |
960 | ['eng'] | ['Mintchev, M'] | ['Local Fields on the Brane Induced by Nonlocal Fields in the Bulk'] | ['Particle Physics - Theory'] | ['membrane model', 'field theory, nonlocal', 'invariance, conformal', 'current, conservation law', 'quantization', 'Ward identity', 'space-time, anti-de Sitter', 'boundary condition', 'dimension, 5'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103259'] | ['We investigate quantum field theory in a bulk space with boundary, which represents a 3-brane. The basic idea is to keep locality (microcausality) only on the brane, giving up this requirement in the bulk. We explore the consequences of this proposal, constructing a large family of nonlocal bulk fields, whose brane r... | ['2001-04-02'] |
961 | ['eng'] | ['Ghosh, S'] | ['Batalin-Tyutin Quantisation of the Spinning Particle Model'] | ['Particle Physics - Theory'] | ['anyon', 'particle, spin', 'quantization', 'phase space', 'constraint', 'space-time, noncommutative', 'gauge field theory, U(1)', 'dimension, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103258'] | ['The Spinning Particle Model for anyon is analysed in the Batalin-Tyutin scheme of quantisation in extended phase space. Here additional degrees of freedom are introduced in the phase space such that all the constraints in the theory are rendered First Class that is commuting in the sense of Poisson Brackets. Thus the... | ['2001-04-02'] |
962 | ['eng'] | ['Oda, I'] | ['Trapping of Nonabelian Gauge Fields on a Brane'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'Randall-Sundrum model', 'membrane model', 'effect, Higgs', 'space-time, anti-de Sitter', 'dimension, 5', 'zero mode', 'mass, topological'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103257'] | ['We show that as in abelian gauge fields, nonabelian gauge fields are also trapped on a brane in the Randall-Sundrum model by applying a new mechanism based on topological Higgs mechanism. It is pointed out that although almost massless gauge fields are localized on the brane by the new mechanism, exactly massless gau... | ['2001-04-02'] |
963 | ['eng'] | ['Deser, Stanley D', 'Waldron, A'] | ['Stability of Massive Cosmological Gravitons'] | ['Particle Physics - Theory'] | ['gravitation, massive', 'stability', 'space-time, de Sitter', 'space-time, anti-de Sitter', 'helicity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103255'] | ['We analyze the physics of massive spin 2 fields in (A)dS backgrounds and exhibit that: The theory is stable only for masses m^2 \\geq 2\\Lambda/3, where the conserved energy associated with the background timelike Killing vector is positive, while the instability for m^2<2\\Lambda/3 is traceable to the helicity 0 ene... | ['2001-03-30'] |
964 | ['eng'] | ['Song, J S', 'Song, Y S'] | ['Notes from the Underground'] | ['Particle Physics - Theory'] | ['differential equations', 'Riemann surfaces'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103254'] | ["These brief notes record our puzzles and findings surrounding Givental's recent conjecture which expresses higher genus Gromov-Witten invariants in terms of the genus-0 data. We limit our considerations to the case of a projective line, whose Gromov-Witten invariants are well-known and easy to compute. We make some s... | ['2001-03-30'] |
965 | ['eng'] | ['Nikolic, H'] | ['On particle production by classical backgrounds'] | ['Particle Physics - Theory'] | ['particle, production', 'background, classical', 'field theory', 'propagator, renormalization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103251'] | ['The theory of quantum fields in classical backgrounds is re-examined for the cases in which the Lagrangian is quadratic in quantum fields. Various methods that describe particle production are discussed. It is found that all methods suffer from certain ambiguities, related to the choice of coordinates, gauge, or coun... | ['2001-03-30'] |
966 | ['eng'] | ['Evans, J M'] | ['From PCM to KDV and Back'] | ['Particle Physics - Theory'] | ['talk, Chicago 2000/07/22', 'sigma model, nonlinear', 'Wess-Zumino-Witten model', 'model, chiral', 'charge, conservation law', 'algebra, Cartan', 'tensor', 'Korteweg-de Vries equation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103250'] | ['This is a summary of progress made in understanding the occurrence and properties of local, conserved, commuting charges in non-linear sigma-models, including principal chiral models (PCMs) and WZW models. (Contribution to the NATO-ASI meeting: Integrable Hierarchies and Modern Physical Theories, University of Illino... | ['2001-03-30'] |
967 | ['eng'] | ['Ball, R D', 'Damgaard, P H'] | ['The C-Theorem and Chiral Symmetry Breaking in Asymptotically Free Vectorlike Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, vector', 'symmetry, chiral', 'symmetry, spontaneously broken', 'fermion, Dirac', 'group theory, representation', 'renormalization group', 'asymptotic freedom', 'gauge field theory, SO(N)', 'gauge field theory, SU(N)', 'gauge field theory, Sp(N)', 'group theory, exceptional'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103249'] | ["We confront Cardy's suggested c-function for four-dimensional field theories with the spontaneous breaking of chiral symmetries in asymptotically free vectorlike gauge theories with fermions transforming according to different representations under the gauge group. Assuming that the infrared limit of the c-function i... | ['2001-03-30'] |
968 | ['eng'] | ['Bhattacharya, S', 'Choudhury, D', 'Jatkar, D P', 'Sen, A A'] | ['Brane Dynamics in the Randall-Sundrum model, Inflation and Graceful Exit'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'membrane model', 'inflationary universe', 'Brans-Dicke model', 'dimension, 5', 'dimension, 4'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103248'] | ["We study the averaged action of the Randall-Sundrum model with a time dependent metric ansatz. It can be reformulated in terms of a Brans-Dicke action with time dependent Newton's constant. We show that the physics of early universe, particularly inflation, is governed by the Brans-Dicke theory. The Brans-Dicke scala... | ['2001-03-30'] |
969 | ['eng'] | ['Sundborg, B'] | ['Stringy gravity, interacting tensionless strings and massless higher spins'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'gravitation', 'string model', 'space-time, anti-de Sitter', 'field theory, conformal', 'gauge field theory, SU(N)', 'supersymmetry', 'spin, high', 'dimension, 10', 'critical phenomena', 'symmetry, SO(6)', 'black hole'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103247'] | ['Consequences of a strong version of the AdS/CFT correspondence for extremely stringy physics are examined. In particular, properties of N = 4 supersymmetric Yang-Mills theory are used to extract results about interacting tensionless strings and massless higher spin fields in an AdS_5 x S^5 background. Furthermore, th... | ['2001-03-30'] |
970 | ['eng'] | ['Matone, M'] | ['Multi-Instanton Measure from Recursion Relations in N=2 Supersymmetric Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'instanton, moduli space', 'measure'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103246'] | ['By using the recursion relations found in the framework of N=2 Super Yang-Mills theory with gauge group SU(2), we reconstruct the structure of the instanton moduli space and its volume form for all winding numbers.'] | ['2001-03-30'] |
971 | ['eng'] | ['Khoudeir, A'] | ['Non-abelian self-duality from self-interaction'] | ['Particle Physics - Theory'] | ['electromagnetic field', 'dimension, 3', 'Chern-Simons term, nonabelian', 'duality', 'master equation', 'mass, topological', 'symmetry, SU(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103245'] | ['The non-abelian self-dual action in three dimensions is derived using the self-interaction mechanism.'] | ['2001-03-30'] |
972 | ['eng'] | ['Meessen, P', 'Ortín, Tomas'] | ['Type 0 T-Duality and the Tachyon Coupling'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'T-duality', 'tachyon, coupling', 'effective action', 'dimension, 9', 'membrane model', 'gauge field theory', 'Chern-Simons term', 'dimension, 10'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103244'] | ["We consider the T-duality relations between Type 0A and 0B theories, and show that this constraints the possible couplings of the tachyon to the RR-fields. Due to the `doubling' of the RR sector in Type 0 theories, we are able to introduce a democratic formulation for the Type 0 effective actions, in which there is n... | ['2001-03-30'] |
973 | ['eng'] | ['Kreuzer, M'] | ['Strings on Calabi-Yau spaces and Toric Geometry'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'string model', 'space, Calabi-Yau', 'geometry, torus', 'duality', 'topology, transition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103243'] | ['After a brief introduction into the use of Calabi-Yau varieties in string dualities, and the role of toric geometry in that context, we review the classification of toric Calabi-Yau hypersurfaces and present some results on complete intersections. While no proof of the existence of a finite bound on the Hodge numbers... | ['2001-03-30'] |
974 | ['eng'] | ['Billó, M', "D'Adda, A", 'Provero, P'] | ['Branched Coverings and Interacting Matrix Strings in Two Dimensions'] | ['Particle Physics - Theory'] | ['lattice field theory', 'gauge field theory, S(N)', 'gauge field theory, U(1)**N', 'string model', 'matrix model', 'Riemann surfaces', 'dimension, 2', 'partition function', 'group theory, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103242'] | ['We construct the lattice gauge theory of the group G_N, the semidirect product of the permutation group S_N with U(1)^N, on an arbitrary Riemann surface. This theory describes the branched coverings of a two-dimensional target surface by strings carrying a U(1) gauge field on the world sheet. These are the non-supers... | ['2001-03-30'] |
975 | ['eng'] | ['Myung, Y S'] | ['Standard cosmology from the brane cosmology with a localized matter'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model', 'space-time, anti-de Sitter', 'space-time, Reissner-Nordstroem', 'dimension, 5', 'field theory, conformal', 'black hole, embedding', 'domain wall'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103241'] | ['We discuss the brane cosmology in the 5D anti de Sitter Reissner-Nordstrom (AdSRN$_5$) spacetime. A brane with the tension $\\sigma$ is defined as the edge of an AdSRN$_5$ space with mass $M$ and charge $Q$. In this case we get the CFT radiation term $(\\rho_{CFT})$ from $M$ and the charge dust $(\\rho^2_{cd})$ from ... | ['2001-03-30'] |
976 | ['eng'] | ['Chen, C M', 'Harko, T', 'Mak, M K'] | ['Exact anisotropic brane cosmologies'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'astrophysics, model', 'membrane model, anisotropy', 'field equations, solution', 'space-time, Bianchi', 'fluid', 'field theory, scalar', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103240'] | ['We present exact solutions of the gravitational field equations in the generalized Randall-Sundrum model for an anisotropic brane with Bianchi type I and V geometry, with perfect fluid and scalar fields as matter sources. Under the assumption of a conformally flat bulk (with vanishing Weyl tensor) for a cosmological ... | ['2001-03-30'] |
977 | ['eng'] | ['Khoury, J M', 'Ovrut, B A', 'Steinhardt, Paul Joseph', 'Turok, Neil G'] | ['The Ekpyrotic Universe'] | ['Particle Physics - Theory'] | ['membrane model, interaction', 'orbifold', 'astrophysics, model', 'density, perturbation', 'M-theory, heterotic', 'gravitational radiation', 'boundary condition', 'moduli space', 'fluctuation, spectra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103239'] | ['We propose a cosmological scenario in which the hot big bang universe is produced by the collision of a brane in the bulk space with a bounding orbifold plane, beginning from an otherwise cold, vacuous, static universe. The model resolves the cosmological horizon, flatness and monopole problems and generates a nearly... | ['2001-03-30'] |
978 | ['eng'] | ['Benson, K M'] | ['Charge Violation and Alice Behavior in Global and Textured Strings'] | ['Particle Physics - Theory'] | ['symmetry, spontaneously broken', 'string model', 'coset space', 'mass spectrum', 'fermion', 'charge, violation', 'Aharonov-Bohm effect'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103238'] | ["Spontaneous breaking of global symmetries can produce ``Alice'' strings: line defects which make unbroken symmetries multivalued, induce apparent charge violation via Aharonov-Bohm interactions, and form point defects when twisted into loops. We demonstrate this behavior for both divergent and textured global Alice s... | ['2001-03-29'] |
979 | ['eng'] | ['Cappelli, A', 'Guida, R', 'Magnoli, N'] | ['Exact Consequences of the Trace Anomaly in Four Dimensions'] | ['Particle Physics - Theory'] | ['tensor, energy-momentum', 'two-point function', 'vertex function', 'Ward identity', 'dispersion relations', 'anomaly, conformal', 'renormalization group, c-function', 'invariance, Weyl', 'transformation, diffeomorphism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103237'] | ['The general form of the stress-tensor three-point function in four dimensions is obtained by solving the Ward identities for the diffeomorphism and Weyl symmetries. Several properties of this correlator are discussed, such as the renormalization and scheme independence and the analogies with the anomalous chiral tria... | ['2001-03-29'] |
980 | ['eng'] | ['Soroka, D V', 'Soroka, V A', 'Wess, J'] | ['Supersymmetric Model with Grassmann-odd Lagrangian'] | ['Particle Physics - Theory'] | ['talk, Kharkov 2000/07/25', 'supersymmetry', 'dimension, 1', 'superfield', 'oscillator'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103236'] | ['A supersymmetric $D = 1, N =1$ model with a Grassmann-odd Lagrangian is proposed which, in contrast to the model with an even Lagrangian, contains not only a kinetic term but also an interaction term for the coordinates entering into one real scalar Grassmann-even (bosonic) superfield.'] | ['2001-03-29'] |
981 | ['eng'] | ['Kogan, I I', 'Kovner, A', 'Schvellinger, M'] | ['Hagedorn transition, vortices and D0 branes'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'effective action', 'domain wall', 'string model', 'membrane model, D-brane', 'monopole', 'confinement', 'critical phenomena', 'finite temperature, dependence', 'vortex', 'transition, Hagedorn', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103235'] | ["We study the behaviour of Polyakov confining string in the Georgi-Glashow model in three dimensions near confining-deconfining phase transition described in hep-th/0010201. In the string language, the transition mechanism is the decay of the confining string into D0 branes (charged W bosons of the Georgi-Glashow mode... | ['2001-03-29'] |
982 | ['eng'] | ['Bergshoeff, E A', 'Kallosh, R', 'Ortín, Tomas', 'Roest, D', 'Van Proeyen, A'] | ['New Formulations of D=10 Supersymmetry and D8-O8 Domain Walls'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 10', 'membrane model, p-brane', 'domain wall', 'duality', 'soliton, BPS', 'field equations, solution'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103233'] | ["We discuss a generalized form of IIA/IIB supergravity depending on all R-R potentials C^(p) (p=0,1,...,9) as the effective field theory of Type IIA/IIB superstring theory. For the IIA case we explicitly break this R-R democracy to either p<=3 or p>=5 which allows us to write a new bulk action that can be coupled to N... | ['2001-03-29'] |
983 | ['eng'] | ['Mercat, C', 'Pearce, P A'] | ['Integrable and Conformal Boundary Conditions for Z_k Parafermions on a Cylinder'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'Wess-Zumino-Witten model', 'group theory, SL(2)', 'symmetry, Z(N)', 'space, torus', 'space, cylinder', 'lattice field theory, continuum limit', 'boundary condition', 'fermion, parastatistics', 'energy', 'partition function', 'algebra, representation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103232'] | ['We study integrable and conformal boundary conditions for ^sl(2) Z_k parafermions on a cylinder. These conformal field theories are realized as the continuum scaling limit of critical A-D-E lattice models with negative spectral parameter. The conformal boundary conditions labelled by (a,m) in (G, Z_{2k}) are identifi... | ['2001-03-29'] |
984 | ['eng'] | ['Giddings, Steven B', 'Lippert, M'] | ['Precursors, black holes, and a locality bound'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, anti-de Sitter', 'field theory, conformal', 'holography', 'Wilson loop', 'gravitation', 'string model', 'information theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103231'] | ['We revisit the problem of precursors in the AdS/CFT correspondence. Identification of the precursors is expected to improve our understanding of the tension between holography and bulk locality and of the resolution of the black hole information paradox. Previous arguments that the precursors are large, undecorated W... | ['2001-03-29'] |
985 | ['eng'] | ['Arutyunov, G E', 'Eden, B U', 'Petkou, Anastasios C', 'Sokatchev, Emery S'] | ['Exceptional non-renormalization properties and OPE analysis of chiral four-point functions in N=4 SYM_4'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'n-point function, 4', 'perturbation theory, higher-order', 'field theory, finite', 'operator product expansion', 'analytic properties', 'asymptotic expansion', 'partial wave analysis'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103230'] | ['We show that certain classes of apparently unprotected operators in N=4 SYM_4 do not receive quantum corrections as a consequence of a partial non-renormalization theorem for the 4-point function of chiral primary operators. We develop techniques yielding the asymptotic expansion of the 4-point function of CPOs up to... | ['2001-03-28'] |
986 | ['eng'] | ['Das, A', 'Maharana, J', 'Melikian, R A'] | ['Open Membranes, p-Branes and Noncommutativity of Boundary String Coordinates'] | ['Particle Physics - Theory'] | ['membrane model, open', 'membrane model, p-brane', 'boundary condition', 'string model', 'space, cylinder', 'differential geometry, noncommutative', 'dependence, gauge', 'Hamiltonian formalism', 'constraint'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103229'] | ['We study the dynamics of an open membrane with a cylindrical topology, in the background of a constant three form, whose boundary is attached to p-branes. The boundary closed string is coupled to a two form potential to ensure gauge invariance. We use the action, due to Bergshoeff, London and Townsend, to study the n... | ['2001-03-28'] |
987 | ['eng'] | ['Dolby, C E', 'Gull, S F'] | ['New Approach to Quantum Field Theory for Arbitrary Observers in Electromagnetic Backgrounds'] | ['Particle Physics - Theory'] | ['fermion', 'electromagnetic field, background field', 'operator, algebra', 'Fock space', 'fluctuation', 'anomaly', 'Hamiltonian formalism', 'S-matrix', 'particle, model', 'Bogolyubov transformation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103228'] | ['A reformulation of fermionic QFT in electromagnetic backgrounds is presented which uses methods analogous to those of conventional multiparticle quantum mechanics. Emphasis is placed on the (Schr\\"{o}dinger picture) states of the system, described in terms of Slater determinants of Dirac states, and not on the field... | ['2001-03-28'] |
988 | ['eng'] | ['Lukierski, J', 'Nowicki, A'] | ['Absorption of TeV Photons and $\\kappa$-Deformation of Relativistic Symmetries'] | ['Particle Physics - Theory'] | ['photon, absorption', 'threshold', 'algebra, Poincare', 'algebra, deformation', 'cosmic radiation, background', 'kinematics', 'photon photon, annihilation', 'electron, pair production', 'dispersion relations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103227'] | ["It is shown that the increase of the classical threshold for hard photon absorption on the far infrared background can be achieved with the use of deformed kinematics, described by $\\kappa$-deformation of Poincar\\'{e} symmetries. It appears that the absorption takes only place for finite range of hard photon energi... | ['2001-03-28'] |
989 | ['eng'] | ['Kokado, A', 'Konisi, G', 'Saitô, T'] | ['Interaction between Noncommutative Open String and Closed-String Tachyon'] | ['Particle Physics - Theory'] | ['string model, noncommutative', 'tachyon, emission', 'operator, vertex', 'background field, constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103226'] | ['We construct a vertex operator which describes an emission of the ground-state tachyon of the closed string out of the noncommutative open string. Such a vertex operator is shown to exist only when the momentum of the closed-string tachyon is subject to some constraints coming from the background $B$ field. The verte... | ['2001-03-28'] |
990 | ['eng'] | ['Chalmers, G'] | ['Cosmological constant in broken maximal sugras'] | ['Particle Physics - Theory'] | ['supergravity', 'astrophysics, fundamental constant', 'M-theory', 'string model', 'supersymmetry, symmetry breaking'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103225'] | ['We examine the form of the cosmological constant in the loop expansion of broken maximally supersymmetric supergravity theories, and after embedding, within superstring and M-theory. Supersymmetry breaking at the TeV scale generates values of the cosmological constant that are in agreement with current astrophysical ... | ['2001-03-28'] |
991 | ['eng'] | ['Nishino, H', 'Rajpoot, S'] | ['A Note on Embedding M-Theory Corrections into Eleven-Dimensional Superspace'] | ['Particle Physics - Theory'] | ['M-theory, correction', 'embedding', 'supergravity', 'dimension, 11', 'Bianchi identity', 'superspace', 'Chern-Simons term', 'kappa symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103224'] | ['By analyzing eleven-dimensional superspace fourth-rank superfield strength F-Bianchi identities, we show that M-theory corrections to eleven-dimensional supergravity can not be embedded into the mass dimension zero constraints, such as the (\\g^{a b})_{\\a\\b} X_{a b}{}^c or i (\\g^{a_1... a_5})_{\\a\\b} X_{a_1... a_... | ['2001-03-28'] |
992 | ['eng'] | ['Kachru, S', 'McGreevy, J'] | ['M-theory on Manifolds of G_2 Holonomy and Type IIA Orientifolds'] | ['Particle Physics - Theory'] | ['M-theory', 'holonomy, G(2)', 'orientifold', 'duality', 'moduli space', 'spontaneous compactification'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103223'] | ['We demonstrate that M-theory compactifications on 7-manifolds of G_2 holonomy, which yield 4d N=1 supersymmetric systems, often admit at special loci in their moduli space a description as type IIA orientifolds. In this way, we are able to find new dualities of special IIA orientifolds, including dualities which rela... | ['2001-03-27'] |
993 | ['eng'] | ['Yung, A V'] | ['Confinement Near Argyres-Douglas Point in N=2 QCD and Low Energy Version of AdS/CFT Correspondence'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'supersymmetry', 'flux tube', 'vortex', 'fermion, flavor', 'Seiberg-Witten model', 'string model', 'effective action', 'field theory, conformal', 'field theory, deformation', 'duality', 'string tension', 'dimension, 5', 'dimension, 4', 'monopole, mass'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103222'] | ['We study Abrikosov-Nielsen-Olesen (ANO) flux tubes on the Higgs branch of N=2 QCD with SU(2) gauge group and two flavors of fundamental matter. In particular, we consider this theory near Argyres-Douglas (AD) point where the mass of monopoles connected by these ANO strings becomes small. In this regime the effective ... | ['2001-03-27'] |
994 | ['eng'] | ['Brandt, F T', 'Das, A', 'Frenkel, J', 'Taylor, J C'] | ['Derivative Expansion and the Effective Action for the Abelian Chern-Simons Theory at Higher Orders'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'effective action', 'expansion, derivative', 'n-point function', 'invariance, gauge', 'parity, violation'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103221'] | ['We study systematically the higher order corrections to the parity violating part of the effective action for the Abelian Chern-Simons theory in 2+1 dimensions, using the method of derivative expansion. We explicitly calculate the parity violating parts of the quadratic, cubic and the quartic terms (in fields) of the... | ['2001-03-27'] |
995 | ['eng'] | ['Adams, A', 'Silverstein, E'] | ['Closed String Tachyons, AdS/CFT, and Large N QCD'] | ['Particle Physics - Theory'] | ['string model, closed', 'tachyon, condensation', 'space-time, anti-de Sitter', 'field theory, conformal', 'effective potential', 'perturbation theory, higher-order', 'orbifold, Z(N)', 'torsion', 'duality', 'symmetry breaking', 'gauge field theory, quiver', 'expansion 1/N', 'gauge field theory, SU(N)', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103220'] | ["We find that tachyonic orbifold examples of AdS/CFT have corresponding instabilities at small radius, and can decay to more generic gauge theories. We do this by computing a destabilizing Coleman-Weinberg effective potential for twisted operators of the corresponding quiver gauge theories, generalizing calculations o... | ['2001-03-27'] |
996 | ['eng'] | ['Erdmenger, J'] | ['A Field-theoretical Interpretation of the Holographic Renormalization Group'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'field theory, conformal', 'holography', 'renormalization group, transformation', 'renormalization group, c-function', 'anomaly', 'mass, deformation', 'diffeomorphism', 'symmetry breaking, Weyl'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103219'] | ['A quantum-field theoretical interpretation is given to the holographic RG equation by relating it to a field-theoretical local RG equation which determines how Weyl invariance is broken in a quantized field theory. Using this approach we determine the relation between the holographic C theorem and the C theorem in tw... | ['2001-03-27'] |
997 | ['eng'] | ['De Souza, M M'] | ['Discrete fields, general relativity, other possible implications and experimental evidences'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, discrete', 'relativity theory, general', 'gravitation', 'statistics', 'critical phenomena'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103218'] | ["The physical meaning, the properties and the consequences of a discrete scalar field are discussed; limits for the validity of a mathematical description of fundamental physics in terms of continuous fields are a natural outcome of discrete fields with discrete interactions. The discrete scalar field is ultimately th... | ['2001-03-27'] |
998 | ['eng'] | ['Jackson, M G'] | ['The Stability of Noncommutative Scalar Solitons'] | ['Particle Physics - Theory'] | ['soliton, scalar', 'soliton, noncommutative', 'stability', 'dimension, 3', 'potential', 'critical phenomena', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103217'] | ['We determine the stability conditions for a radially symmetric noncommutative scalar soliton at finite noncommutivity parameter $\\theta$. We find an intriguing relationship between the stability and existence conditions for all level-1 solutions, in that they all have nearly-vanishing stability eigenvalues at critic... | ['2001-03-27'] |
999 | ['eng'] | ['Stojkovic, D B'] | ['Neutrino Zero Modes and Stability of Electroweak Strings'] | ['Particle Physics - Theory'] | ['talk, Columbus 2000/08/09', 'neutrino, zero mode', 'electroweak interaction', 'string, stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0103216'] | ['We discuss massless and massive neutrino zero modes in the background of an electroweak string. We argue that the eventual absence of the neutrino zero mode implies the existence of topologically stable strings where the required non-trivial topology has been induced by the fermionic sector.'] | ['2001-03-27'] |
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