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 |
|---|---|---|---|---|---|---|---|---|
9,800 | ['eng'] | ['Gukov, S G', 'Klebanov, Igor R', 'Polyakov, A M'] | ['Dynamics of (n, 1) Strings'] | ['Particle Physics - Theory'] | ['string model', 'bound state', 'string tension', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711112'] | ['An $(n, 1)$ string is a bound state of a D-string and $n$ fundamental strings. It may be described by a D-string with a world volume electric field turned on. As the electric field approaches its critical value, $n$ becomes large. We calculate the 4-point function for transverse oscillations of an $(n, 1)$ string, an... | ['1997-11-18'] |
9,801 | ['eng'] | ['Selivanov, K'] | ['Gravitationally dressed Parke-Taylor amplitudes'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gravitation', 'Dyson-Schwinger equation, solution', 'perturbation theory, higher-order', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711111'] | ['A generating function for the Parke-Taylor amplitudes with any number of positive helicity gravitons in addition to the positive helicity gluons is obtained using the recently constructed self-dual classical solution of the type of perturbiner in Yang-Mills theory interacting with gravity.'] | ['1997-11-18'] |
9,802 | ['eng'] | ['Damgaard, P H'] | ['Dirac Operator Spectra from Finite-Volume Partition Functions'] | ['Particle Physics - Theory'] | ['operator, Dirac', 'spectral representation, density', 'partition function, finite size', 'gauge field theory, SU(N)', 'matrix model, random', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711110'] | ['Based on the relation to random matrix theory, exact expressions for all microscopic spectral correlators of the Dirac operator can be computed from finite-volume partition functions. This is illustrated for the case of $SU(N_c)$ gauge theories with $N_c\\geq 3$ and $N_f$ fermions in the fundamental representation.'] | ['1997-11-18'] |
9,803 | ['eng'] | ['Fatollahi, A H', 'Kaviani, K', 'Parvizi, S'] | ['M-Branes and Their Interactions in Static Matrix Model'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry', 'dimension, 11', 'soliton', 'effective action', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711109'] | ['Different BPS M-brane configurations including single and two parallel M$p$-branes ($p$= even) and M5-branes are introduced as the classical solutions of the recently proposed Static Matrix Model. Also the long range interactions of two relatively rotated M$p$-branes (one and two angles) and M$p$-brane--anti-M$p$-bra... | ['1997-11-18'] |
9,804 | ['eng'] | ['Losev, A S', 'Nekrasov, N A', 'Shatashvili, S L'] | ['Issues in Topological Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, topological', 'supersymmetry, superfield', 'gauge field theory, abelian', 'correlation function', 'moduli space, instanton', 'sigma model', 'duality', 'matter', 'field theory, higher-dimensional', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711108'] | ['We discuss topological theories, arising from the general $\\CN=2$ twisted gauge theories. We initiate a program of their study in the Gromov-Witten paradigm. We re-examine the low-energy effective abelian theory in the presence of sources and study the mixing between the various $p$-observables. We present the twist... | ['1997-11-18'] |
9,805 | ['eng'] | ['Green, M B', 'Gutperle, M'] | ['D-particle bound states and the D-instanton measure'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'Kaluza-Klein model', 'instanton', 'moduli space', 'particle, relativistic', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711107'] | ['A connection is made between the Witten index of relevance to threshold bound states of D-particles in the type IIA superstring theory and the measure that enters D-instanton sums for processes dominated by single multiply-charged D-instantons in the type IIB theory.'] | ['1997-11-18'] |
9,806 | ['eng'] | ['Emparan, R'] | ['Born-Infeld Strings Tunneling to D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'Born-Infeld model', 'field equations, solution', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711106'] | ['Recent work on solutions to the Born-Infeld theory used to describe D-branes suggests that fundamental strings can be viewed, in a certain limit, as D-branes whose worldvolumes have collapsed to string-like configurations. Here we address the possibility of undoing this collapse, by inducing the string to tunnel to a... | ['1997-11-17'] |
9,807 | ['eng'] | ['Diaconescu, D E', 'Gomis, J P'] | ['Matrix Description of Heterotic Theory on K3'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'gauge field theory, E(8) x E(8)', 'field theory, torus', 'orbifold', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711105'] | ['The Matrix description of certain $E_8\\times E_8$ heterotic theories on $T^4/Z_2$ is shown to correspond to the world-volume theory of $Spin(32)/Z_2$ heterotic five-branes on the dual $T^4/Z_2\\times S^1$.'] | ['1997-11-17'] |
9,808 | ['eng'] | ['Lerche, Wolfgang', 'Minasian, R', 'Schweigert, C', 'Theisen, Stefan J'] | ['A Note on the Geometry of CHL Heterotic Strings'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification, torus', 'moduli space', 'symmetry, Spin(32)/Z(2)', 'symmetry, E(8) x E(8)', 'dimension, 8'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711104'] | ['We present a few remarks on disconnected components of the moduli space of heterotic string compactifications on $T_2$. We show in particular how the eight dimensional CHL heterotic string can be understood in terms of topologically non-trivial $E_8\\times E_8$ and $\\Spin(32)/Z_2$ vector bundles over the torus, and ... | ['1997-11-17'] |
9,809 | ['eng'] | ['Gómez, C', 'Hernández, R'] | ['Fields, Strings and Branes'] | ['Particle Physics - Theory'] | ['lectures, Cetraro 1997', 'string model', 'membrane model, p-brane', 'magnetic monopole', 'instanton', 'dyon', 'gauge field theory, Yang-Mills', 'supersymmetry', 'moduli space', 'M-theory', 'spontaneous compactification', 'singularity', 'gaugino, condensation', 'Theta parameter', 'domain wall', 'topology', 'bibliograp... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711102'] | ['Lecture notes reviewing most recent developments in string/M/brane theory given by C. G. at the CIME Summer International Center of Mathematics at Cetraro. July 1997.'] | ['1997-11-17'] |
9,810 | ['eng'] | ['Hadasz, L'] | ['Ground state energy of the modified Nambu-Goto string'] | ['Particle Physics - Theory'] | ['string model', 'energy, ground state', 'regularization, zeta function', 'energy, Casimir', 'approximation, quasiclassical', 'tachyon', 'Gauss-Bonnet term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711101'] | ['We calculate, using zeta function regularization method, semiclassical energy of the Nambu-Goto string supplemented with the boundary, Gauss-Bonnet term in the action and discuss the tachyonic ground state problem.'] | ['1997-11-17'] |
9,811 | ['eng'] | ['Kugo, T', 'Takahashi, T'] | ['Unoriented Open-Closed String Field Theory'] | ['Particle Physics - Theory'] | ['field theory, string', 'string, open', 'string, closed', 'transformation, Becchi-Rouet-Stora', 'vertex function', 'scattering amplitude', 'invariance, gauge', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711100'] | ['The string field theory for unoriented open-closed string mixed system is constructed up to quadratic order based on the joining-splitting type vertices. The gauge invariance with closed string transformation parameter is proved. The infinity cancellation mechanism between disk and projective plane amplitudes plays a... | ['1997-11-17'] |
9,812 | ['eng'] | ['Carroll, S M', 'Trodden, M'] | ['Dirichlet Topological Defects'] | ['Particle Physics - Theory'] | ['topology, defect', 'soliton', 'field theory, scalar', 'string model', 'domain wall', 'boundary condition', 'symmetry, U(1)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711099'] | ["We propose a class of field theories featuring solitonic solutions in which topological defects can end when they intersect other defects of equal or higher dimensionality. Such configurations may be termed ``Dirichlet topological defects'', in analogy with the D-branes of string theory. Our discussion focuses on def... | ['1997-11-14'] |
9,813 | ['eng'] | ['Bergman, O', 'Gaberdiel, M R', 'Lifschytz, G'] | ["String Creation and Heterotic-Type I' Duality"] | ['Particle Physics - Theory'] | ['string model, heterotic', 'duality', 'string, production', 'soliton, spectra', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711098'] | ["The BPS spectrum of type I' string theory in a generic background is derived using the duality with the nine-dimensional heterotic string theory with Wilson lines. It is shown that the corresponding mass formula has a natural interpretation in terms of type I', and it is demonstrated that the relevant states in type ... | ['1997-11-14'] |
9,814 | ['eng'] | ['Hashimoto, A'] | ['The Shape of Branes Pulled by Strings'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, D-brane', 'string tension', 'membrane model, deformation', 'soliton', 'duality', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711097'] | ['We examine the system where a string stretches between pair of D-branes, and study the bending of the D-brane caused by the tension of the string. If the distance between the pair of D-branes is sent to infinity, the tension of the string stretching between them is strong enough to pull the spike all the way to infin... | ['1997-11-14'] |
9,815 | ['eng'] | ['Damgaard, P H', 'Nishigaki, S M'] | ['Universal Massive Spectral Correlators and $QCD_3$'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'dimension, 3', 'operator, Dirac', 'correlation function, massive', 'spectral representation', 'matrix model, random', 'unitarity', 'universality', 'sum rule'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711096'] | ['Based on random matrix theory in the unitary ensemble, we derive the double-microscopic massive spectral correlators corresponding to the Dirac operator of QCD_3 with an even number of fermions N_f. We prove that these spectral correlators are universal, and demonstrate that they satisfy exact massive spectral sum ru... | ['1997-11-14'] |
9,816 | ['eng'] | ['Asorey, M', 'Falceto, F'] | ['Vacuum Nodes in QCD at $\\Theta=\\$pi'] | ['Particle Physics - Theory'] | ['gauge field theory, nonabelian', 'vacuum state, Theta parameter', 'sphaleron', 'Chern-Simons term', 'invariance, CP', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711095'] | ['We show that the vacuum functional of 3+1 dimensional non-abelian gauge theories vanishes for some classical field configurations $\\psi_0(A)=0$ when the coefficient of the CP violating $\\theta$--term becomes $\\theta=\\pi$ (mod. $2\\pi$). Some of these classical configurations are explicitly identified and include ... | ['1997-11-14'] |
9,817 | ['eng'] | ['Das-Gupta, K', 'Mukhi, S'] | ['BPS Nature of 3-String Junctions'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'string model', 'string, interaction', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711094'] | ['We study BPS-saturated classical solutions for the world-sheet theory of a D-string in the presence of a point charge. These solutions are interpreted as describing planar 3-string junctions, which arise because the original D-string is deformed by the presence of the inserted charge. We compute the angles of the jun... | ['1997-11-14'] |
9,818 | ['eng'] | ['Cadoni, M'] | ['Dualities Compositeness and Spacetime Structure of 4d Extreme Stringy Black Holes'] | ['Particle Physics - Theory'] | ['black hole', 'string model, heterotic', 'spontaneous compactification, torus', 'duality, O(3,Z)', 'bound state', 'space-time, singularity', 'supersymmetry', 'space-time, horizon', 'entropy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711093'] | ['We study the BPS black hole solutions of the (truncated) action for heterotic string theory compactified on a six-torus. The O(3,Z) duality symmetry of the theory, together with the bound state interpretation of extreme black holes, is used to generate the whole spectrum of the solutions. The corresponding spacetime ... | ['1997-11-14'] |
9,819 | ['eng'] | ['Kim, Y W', 'Park, Y J', 'Rothe, Klaus D'] | ['Hamiltonian Embedding of SU(2) Higgs Model in the Unitary Gauge'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'unitary gauge', 'quantization, constraint', 'Hamiltonian formalism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711092'] | ['Following systematically the generalized Hamiltonian approach of Batalin, Fradkin and Tyutin (BFT), we embed the second-class non-abelian SU(2) Higgs model in the unitary gauge into a gauge invariant theory. The strongly involutive Hamiltonian and constraints are obtained as an infinite power series in the auxiliary ... | ['1997-11-14'] |
9,820 | ['eng'] | ['Chau, L L', 'Zaboronsky, O'] | ['On the structure of Normal Matrix Model'] | ['Particle Physics - Theory'] | ['matrix model', 'partition function', 'phase space', 'correlation function', 'potential', 'symmetry, axial', 'Kadomtsev-Petviashvili equation, hierarchy', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711091'] | ['We study the structure of the normal matrix model (NMM). We show that all correlation functions of the model with axially symmetric potentials can be expressed in terms of holomorphic functions of one variable. This observation is used to demonstrate the exact solvability of the model. The two-point correlation funct... | ['1997-11-14'] |
9,821 | ['eng'] | ['Muto, T'] | ['D-branes on Orbifolds and Topology Change'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'singularity, orbifold', 'moduli space', 'sigma model, linear', 'topology', 'geometry, torus'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711090'] | ['We consider D-branes on an orbifold $C^3/Z_n$ and investigate the moduli space of the D-brane world-volume gauge theory by using toric geometry and gauged linear sigma models. For $n=11$, we find that there are five phases which are topologically distinct and connected by flops to each other. We also verify that non-... | ['1997-11-14'] |
9,822 | ['eng'] | ['Duff, Michael J', 'Liu, J T', 'Lü, H', 'Pope, C N'] | ['Gauge Dyonic Strings and Their Global Limit'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'dimension, 7', 'string model', 'dyon', 'multiplet, tensor', 'gauge field theory, Yang-Mills', 'membrane model, p-brane', 'p-brane, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711089'] | ["We show that six-dimensional supergravity coupled to tensor and Yang-Mills multiplets admits not one but two different theories as global limits, one of which was previously thought not to arise as a global limit and the other of which is new. The new theory has the virtue that it admits a global anti-self-dual strin... | ['1997-11-13'] |
9,823 | ['eng'] | ['Hatzinikitas, A', 'Schalm, K E', 'van Nieuwenhuizen, P'] | ['Trace and chiral anomalies in string and ordinary field theory from Feynman diagrams for nonlinear sigma models'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'field theory, string', 'anomaly', 'path integral, torus', 'quantum mechanics', 'propagator', 'string model, heterotic', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711088'] | ['We write general one-loop anomalies of string field theory as path integrals on a torus for the corresponding nonlinear sigma model. This extends the work of Alvarez-Gaumé and Witten from quantum mechanics to two dimensions. Higher world-volume loops contribute in general to nontopological anomalies and a formalism t... | ['1997-11-13'] |
9,824 | ['eng'] | ['Berkovits, N', 'Zwiebach, B'] | ['On the Picture Dependence of Ramond-Ramond Cohomology'] | ['Particle Physics - Theory'] | ['string model, closed', 'phase space', 'transformation, Becchi-Rouet-Stora', 'cohomology', 'membrane model, D-brane'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711087'] | ['Closed string physical states are BRST cohomology classes computed on the space of states annihilated by $b_0^-$. Since $b_0^-$ does not commute with the operations of picture changing, BRST cohomologies at different pictures need not agree. We show explicitly that Ramond-Ramond (RR) zero-momentum physical states are... | ['1997-11-13'] |
9,825 | ['eng'] | ['Iofa, M Z', 'Pando-Zayas, L A'] | ['On Genus-One-Corrected Extremal Black Holes and the Correspondence Principle'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification, torus', 'black hole', 'dyon', 'effective action', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711086'] | ['We discuss charged black-hole solutions to the equations of motion of the string-loop-corrected effective action. At the string-tree level, these solutions provide backgrounds for the "chiral null model". The effective action contains gravity, dilaton and moduli fields. Analytic solutions of the one-loop-corrected eq... | ['1997-11-13'] |
9,826 | ['eng'] | ['Rehren, K H'] | ['Spin-Statistics and CPT for solitons'] | ['Particle Physics - Theory'] | ['algebra, soliton', 'spin, statistics', 'field theory, massive', 'dimension, 2', 'commutation relations', 'invariance, CPT', 'axiomatic field theory', 'sine-Gordon model', 'Thirring model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711085'] | ['The statistics of soliton sectors of massive 2D field theories is analysed. In the soliton field algebra, the non-local commutation relations are determined and Weak Locality, Spin-Statistics and CPT theorems are proven. These theorems depart from their usual appearance due to the broken symmetry connecting the inequ... | ['1997-11-13'] |
9,827 | ['eng'] | ['Inagaki, T', 'Muta, T', 'Odintsov, S D'] | ['Dynamical symmetry breaking in curved spacetime'] | ['Particle Physics - Theory'] | ['review', 'symmetry, dynamically broken', 'space-time', 'four-fermion interaction', 'effective potential', 'critical phenomena', 'Jona-Lasinio-Nambu model', 'supersymmetry', 'quantum gravity', 'dimension, 2-4', 'finite temperature', 'gravitation, effect', 'topology', 'symmetry breaking, chiral', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711084'] | ['Four-fermion interaction models are considered to be prototype models for dynamical symmetry breaking.The present review deals with recent developments in the studies of dynamical symmetry breaking in the four-fermion interaction models and their extension in curved spacetime. Starting with the Minkowski spacetime in... | ['1997-11-13'] |
9,828 | ['eng'] | ['Fayyazuddin, A', 'Spalinski, M'] | ['Extended Objects in MQCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'M-theory', 'membrane model, p-brane', 'p-brane, 5', 'domain wall', 'moduli space', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711083'] | ['N=1 supersymmetric QCD is considered using the recently proposed picture of it as the world volume theory of a single M-theory fivebrane with two of its dimensions wrapped on a Riemann surface. The conditions under which a second M-theory brane can be introduced preserving some supersymmetry are analysed. Such config... | ['1997-11-13'] |
9,829 | ['eng'] | ['Johnson, C V'] | ['Anatomy of a Duality'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, D-brane', 'membrane model, p-brane', 'string model', 'supersymmetry', 'orientifold', 'matrix model', 'duality', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711082'] | ["The nature of M-theory on K3 X I, where I is a line interval, is considered, with a view towards formulating a `matrix theory' representation of that situation. Various limits of this compactification of M-theory yield a number of well known N=1 six dimensional compactifications of the heterotic and type I string the... | ['1997-11-12'] |
9,830 | ['eng'] | ['Rey, S J'] | ['Gravitating Matrix Q-Balls'] | ['Particle Physics - Theory'] | ['gravitation', 'membrane model, closed', 'matrix model, Q-ball', 'black hole, Schwarzschild', 'space-time, geometry', 'moment, monopole', 'scattering, parton', 'potential', 'supergravity', 'dimension, 11'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711081'] | ['Q-ball configuration that represents oscillating or collapsing closed membrane is constructed via M(atrix) theory. Upon gravitational collapse Q-balls are expected to form Schwarzschild black holes. For quasi-static spherical membrane, we probe spacetime geometry induced by monopole moment via D0-parton scattering of... | ['1997-11-12'] |
9,831 | ['eng'] | ['Nanopoulos, Dimitri V'] | ['M-Phenomenology'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'expansion, strong coupling', 'expansion, weak coupling', 'dimension, 10', 'dimension, 4', 'symmetry, E(8) x E(8)', 'M-theory', 'sparticle, mass spectrum', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711080'] | ["Recent developments involving strongly coupled superstrings are discussed from a phenomenological point of view. In particular, strongly coupled $E_8\\times E'_8$ is described as an appropriate long-wavelength limit of M-theory, and some generic phenomenological implications are analyzed, including a long sought down... | ['1997-11-12'] |
9,832 | ['eng'] | ['Dayi, O F'] | ['Hamiltonian Formulation of Jackiw-Pi 3-Dimensional Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, scalar', 'dimension, 3', 'quantization, constraint', 'Hamiltonian formalism', 'mass generation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711079'] | ['A 3-dimensional non-abelian gauge theory was proposed by Jackiw and Pi to create mass for the gauge fields. However, the set of gauge invariances of the quadratic action obtained by switching off the non-abelian interactions is larger than the original one. This inconsistency in the gauge invariances causes some prob... | ['1997-11-12'] |
9,833 | ['eng'] | ['Kabat, D', 'Taylor, W'] | ['Spherical membranes in Matrix theory'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model', 'symmetry, rotational', 'expansion 1/N', 'potential', 'black hole', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711078'] | ['We consider membranes of spherical topology in uncompactified Matrix theory. In general for large membranes Matrix theory reproduces the classical membrane dynamics up to 1/N corrections; for certain simple membrane configurations, the equations of motion agree exactly at finite N. We derive a general formula for the... | ['1997-11-12'] |
9,834 | ['eng'] | ['Riccioni, F', 'Sagnotti, A'] | ['Some Properties of Tensor Multiplets in Six-Dimensional Supergravity'] | ['Particle Physics - Theory'] | ['talk, Trieste 1997/06/16', 'supergravity', 'dimension, 6', 'multiplet, tensor', 'multiplet, vector', 'anomaly', 'gauge field theory, Yang-Mills'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711077'] | ['We review some results on the complete coupling between tensor and vector multiplets in six-dimensional $(1,0)$ supergravity.'] | ['1997-11-12'] |
9,835 | ['eng'] | ['Henningson, M'] | ['BPS-spectra in four dimensions from M-theory'] | ['Particle Physics - Theory'] | ['talk, Neuchatel 1997/09/18', 'M-theory', 'gauge field theory, Yang-Mills', 'supersymmetry', 'soliton', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711076'] | ['I review my work together with Piljin Yi on the spectrum of BPS-saturated states in N = 2 supersymmetric Yang-Mills theories. In an M-theory description, such states are realized as certain two-brane configurations. We first show how the central charge of the N = 2 algebra arises from the two-form central charge of t... | ['1997-11-12'] |
9,836 | ['eng'] | ['Krämmer, U', 'Rebhan, Anton K'] | ['Reply to "Proof of the Gauge Independence of the Conformal Anomaly of Bosonic String in the Sense of Kraemmer and Rebhan"'] | ['Particle Physics - Theory'] | ['boson, string model', 'anomaly, conformal', 'dependence, gauge', 'invariance, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711075'] | ['In two recent preprints (hep-th/9710131 and hep-th/9710132), Abe and Nakanishi have claimed that the proof of the gauge independence of the conformal anomaly of the bosonic string as given by us in 1988 was wrong. A similar allegation has been made concerning our proof of the gauge independence of the sum of the ghos... | ['1997-11-12'] |
9,837 | ['eng'] | ['Gómez, C'] | ['Elliptic Singuliarities, Theta-Puzzle and Domain Walls'] | ['Particle Physics - Theory'] | ['M-theory', 'spontaneous compactification', 'orbifold, Calabi-Yau', 'gaugino, condensation', 'domain wall', 'Witten index', 'vacuum state, Theta parameter', 'topology', 'gauge field theory, SU(N)', 'singularity', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711074'] | ['We study N=1 four dimensional gluodynamics in the context of M-theory compactifications on elliptically fibered Calabi-Yau fourfolds. Gaugino condensates, theta-dependence, Witten index and domain walls are considered for singularities of type $\\hat{A}_{n-1}$ and $\\hat{D}_{n+4}$. It is shown how the topology of int... | ['1997-11-12'] |
9,838 | ['eng'] | ['Suyama, T', 'Tsuchiya, A'] | ['Exact Results in $N_c$=2 IIB Matrix Model'] | ['Particle Physics - Theory'] | ['matrix model', 'partition function', 'correlation function', 'Wilson loop'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711073'] | ['We investigate N_c=2 case of IIB matrix model, which is exactly soluble. We calculate the partition function exactly and obtain a finite result without introducing any cut-off. We also evaluate some correlation functions consisting of Wilson loops.'] | ['1997-11-12'] |
9,839 | ['eng'] | ['Hosomichi, K'] | ['Fermion Emission from Five-Dimensional Black Holes'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 5', 'fermion, emission', 'supergravity', 'Dirac equation, solution', 'approximation, quasiclassical', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711072'] | ['We calculate semiclassically the emission rate of spin 1/2 particles from charged, nonrotating black holes in $D=5,N=8$ supergravity. The relevant Dirac equation is solved by the same approximation as in the bosonic case. The resulting expression for the emission rate has a form which is predicted from D-brane effect... | ['1997-11-12'] |
9,840 | ['eng'] | ['Barnes, C', 'Turok, Neil G'] | ['A Technique for Calculating Quantum Corrections to Solitons'] | ['Particle Physics - Theory'] | ['mass, soliton', 'quantization, correction', 'dimension, 2', 'phi**n model, 4', 'kink', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711071'] | ['We present a numerical scheme for calculating the first quantum corrections to the properties of static solitons. The technique is applicable to solitons of arbitrary shape, and may be used in 3+1 dimensions for multiskyrmions or other complicated solitons. We report on a test computation in 1+1 dimensions, where we ... | ['1997-11-11'] |
9,841 | ['eng'] | ['Bianchi, M', 'Stanev, Ya S'] | ['Open Strings on the Neveu-Schwarz Pentabrane'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'field theory, orbifold', 'boundary condition', 'string model, open', 'duality', 'wormhole', 'magnetic field', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711069'] | ['We analyze the propagation of open and unoriented strings on the Neveu-Schwarz pentabrane (N5-brane) along the lines of a similar analysis for the SU(2) WZNW models. We discuss the two classes of open descendants of the diagonal models and a series of Z_2 projected models which exist only for even values of the level... | ['1997-11-11'] |
9,842 | ['eng'] | ['Vafa, C'] | ['Black Holes and Calabi-Yau Threefolds'] | ['Particle Physics - Theory'] | ['F-theory', 'M-theory', 'black hole', 'dimension, 4', 'dimension, 5', 'soliton', 'charge, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711067'] | ['We compute the microscopic entropy of certain 4 and 5 dimensional extermal black holes which arise for compactification of M-theory and type IIA on Calabi-Yau 3-folds. The results agree with macroscopic predictions, including some subleading terms. The macroscopic entropy in the 5 dimensional case predicts a surprisi... | ['1997-11-11'] |
9,843 | ['eng'] | ['Herdegen, A'] | ['Semidirect product of CCR and CAR algebras and asymptotic states in quantum electrodynamics'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'algebra, C*', 'commutation relations', 'algebra, representation', 'light cone', 'invariance, Poincare', 'charge', 'energy-momentum', 'functional analysis'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711066'] | ["A C*-algebra containing the CCR and CAR algebras as its subalgebras and naturally described as the semidirect product of these algebras is discussed. A particular example of this structure is considered as a model for the algebra of asymptotic fields in quantum electrodynamics, in which Gauss' law is respected. The a... | ['1997-11-11'] |
9,844 | ['eng'] | ['Ananos, G N J', 'Malbouisson, A P C', 'Silva-Neto, M B', 'Svaiter, N F'] | ['Dimensional reduction of the chiral-continous Gross-Neveu model'] | ['Particle Physics - Theory'] | ['Gross-Neveu model, chiral', 'finite temperature', 'critical phenomena', 'dimension, 2-4', 'dimensional reduction', 'expansion 1/N', 'universality', 'vacuum state', 'renormalization group', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711065'] | ['We study the finite-temperature phase transition of the generalized Gross-Neveu model with continous chiral symmetry in $2 < d \\leq 4$ euclidean dimensions. The critical exponents are computed to the leading order in the $1/N$ expansion at both zero and finite temperatures. A dimensionally reduced theory is obtained... | ['1997-11-11'] |
9,845 | ['eng'] | ['de Azcárraga, J A', 'MacFarlane, A J', 'Bueno, J C P'] | ['Effective actions, relative cohomology and Chern Simons forms'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model', 'effective action', 'cohomology', 'coset space', 'algebra, Lie', 'Chern-Simons term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711064'] | ['The explicit expression of all the WZW effective actions for a simple group G broken down to a subgroup H is established in a simple and direct way, and the formal similarity of these actions to the Chern-Simons forms is explained. Applications are also discussed.'] | ['1997-11-11'] |
9,846 | ['eng'] | ['Bigatti, D', 'Susskind, Leonard'] | ['A Note on Discrete Light Cone Quantization'] | ['Particle Physics - Theory'] | ['quantization, light cone', 'discrete', 'bound state, (quark antiquark)', 'dimension, 2', 'gauge field theory, U(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711063'] | ["In this brief note we would like to discuss, in a simple model system, the conditions under which the discrete light cone quantization framework should be trusted as an approximation scheme, with regard, in particular, to the size and mass of the system. Specifically, we are going to discuss ``quark-antiquark'' bound... | ['1997-11-11'] |
9,847 | ['eng'] | ['Deriglazov, A A', 'Galajinsky, A V', 'Gitman, D M'] | ['Massless Wess-Zumino model as first quantized Siegel superparticle'] | ['Particle Physics - Theory'] | ['Wess-Zumino model, massless', 'supersymmetry', 'particle, model', 'quantization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711062'] | ['It is shown that canonical quantization of the $4d$ Siegel superparticle yields massless Wess-Zumino model as an effective field theory. Quantum states of the superparticle are realized in terms of the real scalar superfields which prove to be decomposed into the sum of on-shell chiral and antichiral superfields.'] | ['1997-11-11'] |
9,848 | ['eng'] | ['Hattab, H E', 'Polonyi, J'] | ['Renormalization Group Transformation for the Wave Function'] | ['Particle Physics - Theory'] | ['particle, nonrelativistic', 'quantization, 1', 'Hamiltonian formalism', 'wave function', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711061'] | ['The problem considered here is the determination of the hamiltonian of a first quantized nonrelativistic particle by the help of some measurements of the location with a finite resolution. The resulting hamiltonian depends on the resolution of the measuring device. This dependence is reproduced by the help of a block... | ['1997-11-11'] |
9,849 | ['eng'] | ['Hirayama, M', 'Hamada, T', 'Hasegawa, M'] | ['Non-Abelian Gauge Configuration with a Magnetic Field Concentrated at a Point'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'magnetic field', 'Aharonov-Bohm effect', 'cohomology', 'dimension, 3', 'particle, relativistic', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711060'] | ['A specific SU(2) gauge configuration yielding a magnetic field concentrated at a point is investigated. Its relation to the Aharonov-Bohm gauge potential and its cohomological meaning in a three dimensional space are clarified. Quantum mechanics of a spinning particle in such a gauge configuration is briefly discusse... | ['1997-11-11'] |
9,850 | ['eng'] | ['Ferrara, Sergio', 'Riccioni, F', 'Sagnotti, A'] | ['Tensor and Vector Multiplets in Six-Dimensional Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 6', 'multiplet, tensor', 'multiplet, vector', 'anomaly', 'coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711059'] | ['We construct the complete coupling of $(1,0)$ supergravity in six dimensions to $n$ tensor multiplets, extending previous results to all orders in the fermi fields. We then add couplings to vector multiplets, as dictated by the generalized Green-Schwarz mechanism. The resulting theory embodies factorized gauge and su... | ['1997-11-11'] |
9,851 | ['eng'] | ['Takasaki, K'] | ['Gaudin Model, KZB Equation, and Isomonodromic Problem on Torus'] | ['Particle Physics - Theory'] | ['Gaudin model', 'symmetry, SU(N)', 'model, spin', 'Wess-Zumino-Witten model', 'moduli space', 'torus', 'Hamiltonian formalism', 'operator, Lax', 'Knizhnik-Zamolodchikov equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711058'] | ['This paper presents a construction of isospectral problems on the torus. The construction starts from an SU(n) version of the XYZ Gaudin model recently studied by Kuroki and Takebe in the context of a twisted WZW model. In the classical limit, the quantum Hamiltonians of the generalized Gaudin model turn into classic... | ['1997-11-11'] |
9,852 | ['eng'] | ['Wilke, T', 'Guhr, T', 'Wettig, T'] | ['The microscopic spectrum of the QCD Dirac operator with finite quark masses'] | ['Particle Physics - Theory'] | ['quantum chromodynamics', 'operator, Dirac', 'spectra, density', 'quark, mass', 'matrix model, random', 'symmetry, chiral', 'correlation function', 'charge, topological', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711057'] | ['We compute the microscopic spectrum of the QCD Dirac operator in the presence of dynamical fermions in the framework of random-matrix theory for the chiral Gaussian unitary ensemble. We obtain results for the microscopic spectral correlators, the microscopic spectral density, and the distribution of the smallest eige... | ['1997-11-11'] |
9,853 | ['eng'] | ['Malik, R P'] | ['Dual BRST symmetry in QED'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 2', 'cohomology, Becchi-Rouet-Stora', 'operator, Casimir', 'current, axial-vector'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711056'] | ['We discuss local and covariant dual BRST symmetry and its consequences in two-dimensional quantum electrodynamics (QED). With the help of BRST- and dual BRST charges, we explore the BRST cohomology of physical states in the quantum Hilbert space. The algebra between conserved and nilpotent BRST- and dual BRST charges... | ['1997-11-11'] |
9,854 | ['eng'] | ['Bandos, I A', 'Berkovits, N', 'Sorokin, D P'] | ['Duality-Symmetric Eleven-Dimensional Supergravity and its Coupling to M-Branes'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'duality', 'M-theory', 'membrane model', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711055'] | ['The standard eleven-dimensional supergravity action depends on a three-form gauge field and does not allow direct coupling to five-branes. Using previously developed methods, we construct a covariant eleven-dimensional supergravity action depending on a three-form and six-form gauge field in a duality-symmetric manne... | ['1997-11-11'] |
9,855 | ['eng'] | ['Grässer, M L', 'Morariu, B'] | ['A non-perturbative non-renormalization theorem for the Wilsonian gauge couplings in supersymmetric theories'] | ['Particle Physics - Theory'] | ['gauge field theory', 'supersymmetry', 'renormalization, beta function', 'selection rule', 'symmetry, U(1)', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711054'] | ['We show that the holomorphic Wilsonian beta-function of a renormalizable asymptotically free supersymmetric gauge theory with an arbitrary semi-simple gauge group, matter content, and renormalizable superpotential is exhausted at 1-loop with no higher loops and no non-perturbative contributions.'] | ['1997-11-10'] |
9,856 | ['eng'] | ['Maldacena, J M', 'Strominger, A', 'Witten, Edward'] | ['Black Hole Entropy in M-Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'black hole, entropy', 'spontaneous compactification', 'membrane model', 'sigma model', 'central charge', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711053'] | ['Extremal black holes in M-theory compactification on $M\\times S^1$ are microscopically represented by fivebranes wrapping $P\\times S^1$, where $M$ is a Calabi-Yau threefold and $P$ is a four-cycle in $M$. Additional spacetime charges arise from momentum around the $S^1$ and expectation values for the self-dual thre... | ['1997-11-10'] |
9,857 | ['eng'] | ['Lee, C W H', 'Rajeev, S G'] | ['Symmetries of Large N Matrix Models for Closed Strings'] | ['Particle Physics - Theory'] | ['matrix model', 'expansion 1/N, color', 'string model, closed', 'model, spin'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711052'] | ['We obtain the symmetry algebra of multi-matrix models in the planar large N limit. We use this algebra to associate these matrix models with quantum spin chains. In particular, certain multi-matrix models are exactly solved by using known results of solvable spin chain systems.'] | ['1997-11-10'] |
9,858 | ['eng'] | ['Matusis, A'] | ['A note on the interactions of compactified D-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'scattering amplitude', 'string model', 'quantization', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711051'] | ['We show that in certain cases the vacuum one loop amplitude between two D-branes is independent on whether the D-branes are compactified or not. In particular, it does not depend on the compactification radius.'] | ['1997-11-10'] |
9,859 | ['eng'] | ['Geyer, B', 'Mülsch, D'] | ['Symmetry properties of massive gauge theories in nonlinear background gauges'] | ['Particle Physics - Theory'] | ['gauge field theory, nonabelian', 'massive', 'gauge, nonlinear', 'Ward identity', 'n-point function', 'dependence, background field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711050'] | ['Nonabelian gauge theories with a generic background field A_mu in nonlinear gauges due to Delbourgo and Jarvis are investigated. The A_mu-dependence is completely determined by the help of a linear differential equation which obtaines from the Kluberg-Stern-Zuber and the Lee identity. Its integration leads to a relat... | ['1997-11-10'] |
9,860 | ['eng'] | ['Barrow, John D', 'Dabrowski, M P'] | ['Is There Chaos in Low-Energy String Cosmology?'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'string model', 'space-time, Bianchi', 'effective action', 'chaos, oscillation', 'space-time, singularity', 'duality', 'axion', 'Hamiltonian formalism', 'Friedman model', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711049'] | ["Bianchi type IX, 'Mixmaster' universes are investigated in low-energy-effective-action string cosmology. We show that, unlike in general relativity, there is no chaos in these string cosmologies for the case of the tree-level action. The characteristic Mixmaster evolution through a series of Kasner epochs is studied ... | ['1997-11-10'] |
9,861 | ['eng'] | ["D'Auria, R", 'Ferrara, Sergio', 'Kounnas, Costas'] | ['N=(4,2) Chiral Supergravity in Six Dimensions and Solvable Lie Algebras'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 4-6', 'algebra, Lie', 'gravitation, anomaly', 'string model', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711048'] | ['Decomposition of the solvable Lie algebras of maximal supergravities in D=4, 5 and 6 indicates, at least at the geometrical level, the existence of an N=(4,2) chiral supergravity theory in D=6 dimensions. This theory, with 24 supercharges, reduces to the known N=6 supergravity after a toroidal compactification to D=5... | ['1997-11-10'] |
9,862 | ['eng'] | ['Damgaard, P H'] | ['Massive Spectral Sum Rules for the Dirac Operator'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion, flavor', 'operator, Dirac', 'spectral representation', 'sum rule', 'matrix model', 'partition function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711047'] | ['Massive spectral sum rules are derived for Dirac operators of $SU(N_c)$ gauge theories with $N_f$ flavors. The universal microscopic massive spectral densities of random matrix theory, where known, are all consistent with these sum rules.'] | ['1997-11-10'] |
9,863 | ['eng'] | ['Tafjord, O Yu', 'Periwal, V'] | ['Finite-Time Amplitudes In Matrix Theory'] | ['Particle Physics - Theory'] | ['scattering amplitude, graviton', 'time, finite', 'matrix model', 'perturbation theory, higher-order', 'supergravity', 'effective potential, correction', 'partial wave', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711046'] | ['We evaluate one-loop finite-time amplitudes for graviton scattering in Matrix theory and compare to the corresponding amplitudes in supergravity. We find agreement for arbitrary time intervals at leading order in distance, providing a functional agreement between supergravity and Matrix theory. At subleading order, w... | ['1997-11-07'] |
9,864 | ['eng'] | ['Markl, M'] | ['Loop Homotopy Algebras in Closed String Field Theory'] | ['Particle Physics - Theory'] | ['string model, closed', 'algebra, Lie', 'algebra, homotopy', 'loop space', 'derivative, high', 'algebra, modular'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711045'] | ["Barton Zwiebach constructed the `string products' on the Hilbert space of combined conformal field theory of matter and ghosts. It is well-known that the `tree level' specialization of these products forms a strongly homotopy Lie algebra (though, as we will see, this is not exactly so). A strongly homotopy Lie algebr... | ['1997-11-07'] |
9,865 | ['eng'] | ['Floratos, Emmanuel G', 'Leontaris, George K', 'Polychronakos, A P', 'Tzani, R'] | ['On the instanton solutions of the Self Dual Membrane in various Dimensions'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'duality', 'dimension, 5', 'dimension, 9', 'topology', 'string model, instanton', 'symmetry, axial', 'field theory, Toda', 'symmetry, SU(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711044'] | ['We present some methods of determining explicit solutions for self-dual supermembranes in 4+1 and 8+1 dimensions with spherical or toroidal topology. For configurations of axial symmetry, the continuous $SU(\\infty)$ Toda equation turns out to play a central role and a specific method of determining all the periodic ... | ['1997-11-07'] |
9,866 | ['eng'] | ['Bergshoeff, E A', 'Gomis, J P', 'Townsend, P K'] | ['M-brane intersections from worldvolume superalgebras'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'dimension, 11', 'membrane model, M-theory', 'charge', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711043'] | ['It is known that the M-branes of M-theory correspond to p-form charges in the D=11 spacetime supersymmetry algebra. Here we show that their intersections are encoded in the p-form charges of their worldvolume supersymmetry algebras. Triple intersections are encoded in double intersection worldvolume algebras with eig... | ['1997-11-07'] |
9,867 | ['eng'] | ['Hawking, Stephen William', 'Taylor-Robinson, M M'] | ['Bulk charges in eleven dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'charge, electric', 'Chern-Simons term', 'anomaly', 'boundary condition', 'membrane model', 'charge, decay', 'dimensional reduction', 'black hole', 'dimension, 4', 'Kaluza-Klein model, monopole', 'vacuum state, noncompact'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711042'] | ['Eleven dimensional supergravity has electric type currents arising from the Chern-Simon and anomaly terms in the action. However the bulk charge integrates to zero for asymptotically flat solutions with topological trivial spatial sections. We show that by relaxing the boundary conditions to generalisations of the AL... | ['1997-11-07'] |
9,868 | ['eng'] | ['Biswas, A K', 'Kumar, A', 'Sen-Gupta, G'] | ['Oscillating D-Strings from IIB Matrix Theory'] | ['Particle Physics - Theory'] | ['string model, oscillation', 'matrix model', 'supergravity', 'supersymmetry', 'effective action, higher-order', 'gauge field theory', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711040'] | ['We present a class of BPS solutions of the IIB Matrix Theory which preserve 1/4 supersymmetry. The solutions describe D-string configurations with left-moving oscillations. We demonstrate that the one-loop quantum effective action of Matrix Theory vanishes for this solution, confirming its BPS nature. We also study t... | ['1997-11-07'] |
9,869 | ['eng'] | ['Förste, S', 'Ghoshal, D'] | ['Strings from Orientifolds'] | ['Particle Physics - Theory'] | ['string model, orientifold', 'dimension, 2', 'supersymmetry, chiral', 'kinematics', 'mass spectrum', 'Feynman graph, tadpole', 'anomaly, gravitation', 'membrane model, D-brane', 'space-time, torus'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711039'] | ['We construct models in 1+1 dimensions with chiral (0,N) supersymmetry by taking orientifolds of type IIB on an eight-torus identified by different numbers of reflections. The resulting models have Dirichlet strings, fivebranes and ninebranes stretched along different directions. The cases we study in detail have resi... | ['1997-11-07'] |
9,870 | ['eng'] | ['Ivanov, E', 'Sokatchev, Emery S'] | ['On non-linear superfield versions of the vector-tensor multiplet'] | ['Particle Physics - Theory'] | ['superfield, nonlinear', 'multiplet, vector', 'multiplet, tensor', 'superspace, superspace', 'potential, Kaehler', 'duality', 'multiplet, gauge', 'abelian', 'coupling, multiplet', 'effective Lagrangian'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711038'] | ['We propose a harmonic superspace description of the non-linear vector-tensor N=2 multiplet. We show that there exist two inequivalent version: the old one in which one of the vectors is the field-strength of a gauge two-form, and a new one in which this vector satisfies a non-linear constraint and cannot be expressed... | ['1997-11-07'] |
9,871 | ['eng'] | ['Hellerman, S', 'Polchinski, Joseph'] | ['Compactification in the Lightlike Limit'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'spontaneous compactification', 'zero mode', 'scattering amplitude', 'effect, strong coupling', 'approximation, light cone', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711037'] | ['We study field theories in the limit that a compactified dimension becomes lightlike. In almost all cases the amplitudes at each order of perturbation theory diverge in the limit, due to strong interactions among the longitudinal zero modes. The lightlike limit generally exists nonperturbatively, but is more complica... | ['1997-11-06'] |
9,872 | ['eng'] | ['Knudson, A', 'Sharpe, E'] | ['Sheaves on Toric Varieties for Physics'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'fibre bundle', 'gauge field theory', 'cohomology', 'moduli space', 'field theory, Kaehler', 'F-theory', 'mathematical methods', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711036'] | ['In this paper we give an inherently toric description of a special class of sheaves (known as equivariant sheaves) over toric varieties, due in part to A. A. Klyachko. We apply this technology to heterotic compactifications, in particular to the (0,2) models of Distler, Kachru, and also discuss how knowledge of equiv... | ['1997-11-06'] |
9,873 | ['eng'] | ['Anselmi, D', 'Erlich, J', 'Freedman, Daniel Z', 'Johansen, A'] | ['Positivity Constraints on Anomalies in Supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory', 'supersymmetry', 'anomaly', 'central charge', 'renormalization group', 'group theory, representation', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711035'] | ['The relation between the trace and R-current anomalies in supersymmetric theories implies that the U$(1)_RF^2$, U$(1)_R$ and U$(1)_R^3$ anomalies which are matched in studies of N=1 Seiberg duality satisfy positivity constraints. Some constraints are rigorous and others conjectured as four-dimensional generalizations... | ['1997-11-06'] |
9,874 | ['eng'] | ['Awata, H', 'Minic, D'] | ['Comments on the Problem of a Covariant Formulation of Matrix Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'symmetry, U(N)', 'boson, membrane model', 'regularization', 'expansion 1/N', 'light cone gauge', 'diffeomorphism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711034'] | ['A possible avenue towards the covariant formulation of the bosonic Matrix Theory is explored. The approach is guided by the known covariant description of the bosonic membrane. We point out various problems with this particular covariantization scheme, stemming from the central question of how to enlarge the original... | ['1997-11-06'] |
9,875 | ['eng'] | ['Hoppe, J'] | ['On The Construction of Zero Energy States in Supersymmetric Matrix Models, 3'] | ['Particle Physics - Theory'] | ['matrix model, SU(N)', 'supersymmetry', 'dimension, 11', 'energy'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711033'] | ['For a supersymmetric Hamiltonian appearing in the matrix model related to 11 dimensional supermembranes, zero energy states are constructed. A useful symmetry, and an energy-equipartition property is pointed out.'] | ['1997-11-06'] |
9,876 | ['eng'] | ['Smilga, A V'] | ['BPS domain walls in supersymmetric QCD'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'domain wall', 'effective Lagrangian', 'group theory, representation', 'symmetry, chiral', 'vacuum state', 'Born-Oppenheimer approximation', 'critical phenomena', 'mass'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711032'] | ['We consider the effective lagrangian describing the N=1 supersymmetric QCD with SU(N_c) gauge group involving N_f = N_c -1 pairs of chiral matter multiplets in fundamental and antifundamental color representations. For this theory in the framework of the effective lagrangian approach, we solve the BPS equations for t... | ['1997-11-06'] |
9,877 | ['eng'] | ['Serone, M'] | ['A comment on the $R^4$-coupling in (M)atrix Theory'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'effective Lagrangian', 'M-theory', 'scaling', 'higher-order, 5'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711031'] | ['By scaling arguments we show that the presence of a $R^4$-term in the eleven dimensional supergravity effective lagrangian, if it is visible in (M)atrix theory, should come from a correction to the five-loops effective lagrangian of two moving D0-branes.'] | ['1997-11-06'] |
9,878 | ['eng'] | ['Barbón, José L F', 'Pasquinucci, A'] | ['Softly Broken MQCD and the Theta Angle'] | ['Particle Physics - Theory'] | ['quantum chromodynamics, Theta parameter', 'membrane model, p-brane', 'p-brane, 5', 'invariance, CP', 'symmetry, spontaneously broken', 'supersymmetry, symmetry breaking', 'M-theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711030'] | ["We consider a family of non-supersymmetric MQCD five-brane configurations introduced by Witten, and discuss the dependence of the curves on the microscopic Theta angle and its relation with CP. We find evidence for a non-trivial spectral-flow of the curves (vacua) and for the level-crossing of adjacent curves at a pa... | ['1997-11-06'] |
9,879 | ['eng'] | ['Schwarz, J H'] | ['The Status of String Theory'] | ['Particle Physics - Theory'] | ['lectures, Buckow 1997/09/02', 'string model', 'supersymmetry', 'dimension, 10', 'dimension, 11', 'vacuum state', 'moduli space', 'membrane model, p-brane', 'M-theory', 'gauge field theory, SU(N)', 'gauge field theory, U(N)', 'dimension, 6', 'duality', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711029'] | ["There have been many remarkable developments in our understanding of superstring theory in the past few years, a period that has been described as ``the second superstring revolution.'' Several of them are discussed here. The presentation is intended primarily for the benefit of nonexperts."] | ['1997-11-06'] |
9,880 | ['eng'] | ['Kaloper, N', 'Kogan, I I', 'Olive, Keith A'] | ['Cos(M)ological Solutions in M- and String Theory'] | ['Particle Physics - Theory'] | ['M-theory', 'string model', 'dimension, 11', 'dimension, 10', 'field equations, solution', 'differential forms', 'membrane model', 'renormalization group', 'astrophysics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711027'] | ['We consider solutions to the cosmological equations of motion in 11 dimensions with and without 4-form charges. We show explicitly the correspondence between some of these solutions and known solutions in 10 dimensional string gravity. New solutions involving combinations of 4-form charges are explored. We also specu... | ['1997-11-06'] |
9,881 | ['eng'] | ['Burzlaff, J', 'Zakrzewski, W J'] | ['$CP^2$ soliton scattering'] | ['Particle Physics - Theory'] | ['field theoretical model, CP(2)', 'Hopf term', 'scattering, soliton', 'dimension, 3', 'approximation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711026'] | ['The $CP^2$ model, with and without a generalized Hopf term, is studied using the collective coordinate approximation. In the spirit of this approximation, an ansatz is given which in previous numerical studies was seen to give a good parameterization of the numerical solution. The equations of motion for the collecti... | ['1997-11-06'] |
9,882 | ['eng'] | ['Dragon, N V', 'Theis, U'] | ['Gauging the Central Charge'] | ['Particle Physics - Theory'] | ['supersymmetry, algebra', 'central charge', 'gauge field theory', 'multiplet', 'coupling, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711025'] | ['We gauge the central charge of the N=2 supersymmetry algebra in rigid superspace. The Fayet Sohnius hypermultiplet with gauged central charge coincides on-shell with N=2 supersymmetric electrodynamics. The gauge couplings of the vector-tensor multiplet turn out to be nonpolynomial.'] | ['1997-11-06'] |
9,883 | ['eng'] | ['Theron, A N', 'Scholtz, F G', 'Geyer, H B'] | ['Factored coset models'] | ['Particle Physics - Theory'] | ['bosonization', 'path integral', 'Thirring model', 'sine-Gordon model', 'Wess-Zumino-Witten model', 'coset space', 'dimension, 2', 'superselection rule'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711024'] | ['We discuss various bosonization schemes from a path integral perspective. Our analysis shows that the existence of different bosonization schemes, such as abelian bosonization of non-abelian models and non-abelian bosonization of fermions with colour and flavour indices, can be understood as different ways of factori... | ['1997-11-06'] |
9,884 | ['eng'] | ['Damgaard, P H', 'Nishigaki, S M'] | ['Universal Spectral Correlators and Massive Dirac Operators'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'operator, Dirac', 'fermion, massive', 'correlation function', 'scaling', 'sum rule', 'expansion 1/N', 'matrix model', 'spectral representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711023'] | ['We derive the large-$N$ spectral correlators of complex matrix ensembles with weights that in the context of Dirac spectra correspond to $N_f$ massive fermions, and prove that the results are universal in the appropriate scaling limits. The resulting microscopic spectral densities satisfy exact spectral sum rules of ... | ['1997-11-06'] |
9,885 | ['eng'] | ['Bylev, A B', 'Franke, V A', 'Prokhvatilov, E V'] | ['Zero-mode contribution to the light-front Hamiltonian of Yukawa type models'] | ['Particle Physics - Theory'] | ['model, Yukawa', 'Hamiltonian formalism, light front', 'zero mode', 'n-point function', 'Schroedinger equation', 'Fock space', 'Feynman graph'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711022'] | ['Light-front Hamiltonian for Yukawa type models is determined without the framework of the canonical light-front formalism. Special attention is given to the contribution of zero modes.'] | ['1997-11-06'] |
9,886 | ['eng'] | ['Hussain, F', 'Iengo, R', 'Núñez, C', 'Scrucca, Claudio A'] | ['Interaction of D-branes on orbifolds and massless particle emission'] | ['Particle Physics - Theory'] | ['talk, Valencia 1997/10/13', 'membrane model, D-brane', 'membrane model, interaction', 'spontaneous compactification, orbifold', 'string model', 'supersymmetry', 'boson, massless', 'boson, emission', 'axion', 'dilaton', 'graviton', 'bound state', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711021'] | ['We discuss various D-brane configurations in 4-dimensional orbifold compactifications of type II superstring theory which are point-like 0-branes from the 4-dimensional space-time point of view. We analyze their interactions and compute the amplitude for the emission of a massless NSNS boson from them, in the case wh... | ['1997-11-06'] |
9,887 | ['eng'] | ['Hussain, F', 'Iengo, R', 'Núñez, C', 'Scrucca, Claudio A'] | ['Aspects of D-brane dynamics on orbifolds'] | ['Particle Physics - Theory'] | ['talk, Neuchatel 1997/09/18', 'membrane model, D-brane', 'spontaneous compactification, orbifold', 'string model', 'supersymmetry', 'particle, emission', 'potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711020'] | ['We discuss D-brane dynamics in orbifold compactifications of type II superstring theory. We compute the interaction potential between two D-branes moving with constant velocities and give a field theory interpretation of it in the large distance limit.'] | ['1997-11-06'] |
9,888 | ['eng'] | ['Kazakov, V A'] | ['A Matrix Model Solution of Hirota Equation'] | ['Particle Physics - Theory'] | ['talk, Zakopane 1997/06/14', 'matrix model', 'Hirota equation', 'expansion 1/N', 'transfer matrix', 'integrability', 'dimension, 2', 'thermodynamics, Bethe ansatz', 'fusion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711019'] | ['We present a hermitian matrix chain representation of the general solution of the Hirota bilinear difference equation of three variables. In the large N limit this matrix model provides some explicit particular solutions of continuous differential Hirota equation of three variables. A relation of this representation ... | ['1997-11-06'] |
9,889 | ['eng'] | ['Fujii, K'] | ['String Solitons in M Theory Fivebrane'] | ['Particle Physics - Theory'] | ['M-theory', 'fibre bundle, U(1)', 'string model', 'soliton', 'differential geometry', 'sphere', 'dimension, 6'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711018'] | ['A volume form $H$ on the $n$--dimensional sphere $S^n$ is closed $(dH=0)$, so that it is locally written as $H=dB$, where B is a $(n-1)$--form. In the first half we give an explicit form to B and, moreover, a speculation concerning higher order U(1) bundles. In the second half we apply our B in the case $n=3$ to a st... | ['1997-11-06'] |
9,890 | ['eng'] | ['Gusynin, V P', 'Hong, D K', 'Shovkovy, I A'] | ['Chiral symmetry breaking by a non-Abelian external field in (2+1)-dimensions'] | ['Particle Physics - Theory'] | ['Jona-Lasinio-Nambu model', 'dimension, 3', 'symmetry breaking, chiral', 'gauge field theory, SU(2)', 'external field, nonabelian', 'Bethe-Salpeter equation', 'four-fermion interaction', 'mass, gap', 'renormalization group', 'Goldstone particle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711016'] | ['We investigate the effect of a constant external non-Abelian field on chiral symmetry breaking in a (2+1)-dimensional Nambu-Jona-Lasinio model and in 3D QCD by solving the gap equation and the Bethe-Salpeter equation, and also by RG analysis. In the (2+1)-dimensional NJL model chiral symmetry breaking occurs for any ... | ['1997-11-05'] |
9,891 | ['eng'] | ['Lu, J X'] | ['Remarks on M-theory coupling constants and M-brane tension quantizations'] | ['Particle Physics - Theory'] | ['M-theory', 'coupling constant', 'duality', 'quantization', 'membrane model', 'supersymmetry', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711014'] | ["In the absence of a complete M-theory, we gather certain quantum aspects of this theory, namely, M-2 and M-5 brane duality and their tension quantization rule $2\\kappa^2 T_2 T_5 = 2 \\pi n$, the M-2 brane tension quantization $T_2 and gravitational anomaly cancellations, and the half-integral quantization of [$G^W/2... | ['1997-11-04'] |
9,892 | ['eng'] | ['Leung, N C', 'Vafa, C'] | ['Branes and Toric Geometry'] | ['Particle Physics - Theory'] | ['membrane model', 'geometry, torus', 'duality', 'space, Calabi-Yau', 'symmetry, mirror'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711013'] | ["We show that toric geometry can be used rather effectively to translate a brane configuration to geometry. Roughly speaking the skeletons of toric space are identified with the brane configurations. The cases where the local geometry involves hypersurfaces in toric varieties (such as P^2 blown up at more than 3 point... | ['1997-11-04'] |
9,893 | ['eng'] | ['Lizzi, F', 'Mavromatos, Nikolaos E', 'Szabo, R J'] | ['Matrix Sigma-models for Multi D-brane Dynamics'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'sigma model', 'coupling, noncommutative', 'effective action', 'string, open', 'matrix model', 'duality', 'symmetry, U(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711012'] | ['We describe a dynamical worldsheet origin for the Lagrangian describing the low-energy dynamics of a system of parallel D-branes. We show how matrix-valued collective coordinate fields for the D-branes naturally arise as couplings of a worldsheet sigma-model, and that the quantum dynamics require that these couplings... | ['1997-11-04'] |
9,894 | ['eng'] | ['Cea, P', 'Tedesco, L'] | ['Spontaneous Generation of Magnetic Field in Three Dimensional QED at Finite Temperature'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'finite temperature', 'Hamiltonian formalism', 'fermion, condensation', 'energy, density', 'magnetic field', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711011'] | ['We investigate the effects of thermal fluctuations on the spontaneous magnetic condensate in three dimensional QED coupled with P-odd Dirac fermions. Our results show that the phenomenon of the spontaneous generation of the constant background magnetic field survives to the thermal corrections even at infinite temper... | ['1997-11-04'] |
9,895 | ['eng'] | ['Brandhuber, A', 'Itzhaki, N', 'Sonnenschein, J', 'Yankielowicz, S'] | ['More on Probing Branes with Branes'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'membrane model, D-brane', 'bound state', 'Kaluza-Klein model', 'black hole', 'field theory, tensor', 'gauge field theory, Yang-Mills', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711010'] | ['We generalize the Gibbons Wiltshire solution of four dimensional Kaluza-Klein black holes in order to describe Type IIA solutions of bound states of D6 and D0 branes. We probe the solutions with a D6 and a D0 brane. We also probe a system of D2+D0 branes and of a D2 brane bound to a F1 string with a D2 brane. A preci... | ['1997-11-04'] |
9,896 | ['eng'] | ['Hammer, H'] | ['Topological Extensions of Noether Charge Algebras carried by D-p-branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'supersymmetry, superspace', 'supersymmetry, algebra', 'charge, conservation law', 'charge, topological', 'group theory, Lie', 'coset space', 'central charge', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711009'] | ['We derive the fully extended supersymmetry algebra carried by D-branes in a massless type IIA superspace vacuum. We find that the extended algebra contains not only topological charges that probe the presence of compact spacetime dimensions but also pieces that measure non-trivial configurations of the gauge field on... | ['1997-11-04'] |
9,897 | ['eng'] | ['Carroll, S', 'Ortiz, M', 'Taylor, W'] | ['Boundary fields and renormalization group flow in the two-matrix model'] | ['Particle Physics - Theory'] | ['matrix model, 2', 'boundary condition', 'Ising model', 'random surface', 'renormalization group, transformation', 'critical phenomena', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711008'] | ['We analyze the Ising model on a random surface with a boundary magnetic field using matrix model techniques. We are able to exactly calculate the disk amplitude, boundary magnetization and bulk magnetization in the presence of a boundary field. The results of these calculations can be interpreted in terms of renormal... | ['1997-11-04'] |
9,898 | ['eng'] | ['Bandos, I A', 'Maznytsia, A', 'Sorokin, D P'] | ['Worldline Superfield Actions for N=2 Superparticles'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'supersymmetry, superfield', 'mechanics, action', 'any-dimensional', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711007'] | ['We propose doubly supersymmetric actions in terms of n=2(D-2) worldline superfields for N=2 superparticles in D=3,4 and Type IIA D=6 superspaces. These actions are obtained by dimensional reduction of superfield actions for N=1 superparticles in D=4,6 and 10, respectively. We show that in all these models geometrodyn... | ['1997-11-04'] |
9,899 | ['eng'] | ['Amelino-Camelia, G', 'Mavromatos, Nikolaos E'] | ['T duality for boundary-non-critical strings'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 26', 'path integral', 'boundary condition', 'duality, transformation', 'membrane model, D-brane', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9711006'] | ['Recent work on the action of T duality on Dirichlet-branes is generalized to the case in which the open string satisfies boundary conditions that are neither Neumann nor Dirichlet. This is achieved by implementing T duality as a canonical transformation of the $\\sigma$-model path integral. A class of boundary intera... | ['1997-11-04'] |
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