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 |
|---|---|---|---|---|---|---|---|---|
7,900 | ['eng'] | ['Gutperle, M', 'Satoh, Y'] | ['D-branes in Gepner models and supersymmetry'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, symmetry breaking', 'spontaneous compactification, Calabi-Yau', 'boundary condition', 'instanton', 'membrane model, D-brane', 'partition function', 'charge, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808080'] | ['Boundary states corresponding to wrapped D-branes in Calabi-Yau compactifications of type II strings are discussed using Gepner models. In particular boundary conditions corresponding to D-0 branes and D-instantons in four dimensions are investigated. The boundary states constructed by Recknagel and Schomerus are ana... | ['1998-08-14'] |
7,901 | ['eng'] | ['Horowitz, Gary T', 'Myers, R C'] | ['The AdS/CFT Correspondence and a New Positive Energy Conjecture for General Relativity'] | ['Particle Physics - Theory'] | ['relativity theory, general', 'energy, lower limit', 'space-time, de Sitter', 'field theory, conformal', 'supersymmetry', 'perturbation theory', 'stability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808079'] | ['We examine the AdS/CFT correspondence when the gauge theory is considered on a compactified space with supersymmetry breaking boundary conditions. We find that the corresponding supergravity solution has a negative energy, in agreement with the expected negative Casimir energy in the field theory. Stability of the ga... | ['1998-08-14'] |
7,902 | ['eng'] | ['Alexanian, G G', 'Moreno, E F'] | ['Renormalization of the Hamiltonian and a geometric interpretation of asymptotic freedom'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'perturbation theory, higher-order', 'Hamiltonian formalism', 'renormalization', 'vertex function', 'quantum electrodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808078'] | ['Using a novel approach to renormalization in the Hamiltonian formalism, we study the connection between asymptotic freedom and the renormalization group flow of the configuration space metric. It is argued that in asymptotically free theories the effective distance between configuration decreases as high momentum mod... | ['1998-08-14'] |
7,903 | ['eng'] | ['Trittmann, U'] | ['Note on a Positronium Model from Flow Equations in Front Form Dynamics'] | ['Particle Physics - Theory'] | ['positronium, mass spectrum', 'renormalization', 'effective Hamiltonian', 'field theory, front form', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808077'] | ['In this note we address the problem of solving for the positronium mass spectrum. We use front form dynamics together with the method of flow equations. For a special choice of the cutoff function, the calculations can be simplified by analytically integrating over the azimuthal angle. One obtains an effective Hamilt... | ['1998-08-14'] |
7,904 | ['eng'] | ['Kim, W T', 'Yoon, M S'] | ['Manifestly covariant action for symmetric nonAbelian Chern-Simons theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 3', 'Hamiltonian formalism', 'invariance, Lorentz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808076'] | ['We study a three dimensional symmetric nonAbelian Chern-Simons theory with a general covariance and it turns out that the original Chern-Simons theory is just a gauge fixed action of the symmetric Chern-Simons theory whose constraint algebra belongs to fully first class constraint system. Furthermore a higher dimensi... | ['1998-08-14'] |
7,905 | ['eng'] | ['Gubser, S S', 'Klebanov, Igor R'] | ['Baryons and Domain Walls in an N = 1 Superconformal Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N) x SU(N)', 'field theory, conformal', 'supersymmetry', 'domain wall', 'baryon', 'membrane model, D-brane', 'supergravity', 'duality', 'conifold', 'string model', 'space-time, anti-de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808075'] | ['Coincident D3-branes placed at a conical singularity are related to string theory on $AdS_5\\times X_5$, for a suitable five-dimensional Einstein manifold $X_5$. For the example of the conifold, which leads to $X_5=T^{1,1}=(SU(2)\\times SU(2))/U(1)$, the infrared limit of the theory on $N$ D3-branes was constructed r... | ['1998-08-13'] |
7,906 | ['eng'] | ['Craps, B', 'Roose, F'] | ['Anomalous D-brane and orientifold couplings from the boundary state'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'orientifold', 'scattering amplitude', 'coupling', 'string model', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808074'] | ['We compute scattering amplitudes involving both R-R and NS-NS fields in the presence of a D-brane or orientifold plane. These provide direct evidence for the anomalous couplings in the D-brane and orientifold actions. The D9-brane and O9-plane are found to couple to the first Pontrjagin class with the expected relati... | ['1998-08-13'] |
7,907 | ['eng'] | ['Strassler, M J'] | ['On Phases of Gauge Theories and the Role of Non-BPS Solitons in Field Theory'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 1998/04/16', 'gauge field theory, SO(N)', 'soliton', 'supersymmetry', 'spinor, massive', 'matter, massless', 'duality, transformation', 'magnetic monopole', 'charge, Z(2)', 'Wilson loop', 'Meissner effect', 'confinement', 'symmetry, flavor', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808073'] | ['As shown in hep-th/9709081, non-BPS saturated solitons play an important role in the duality transformations of N=1 supersymmetric gauge theories. In particular, a massive spinor in an SO(N) gauge theory with massless matter in the vector representation appears in the dual description as a magnetic monopole with a Z_... | ['1998-08-13'] |
7,908 | ['eng'] | ['Gustafsson, H Å', 'Lindström, U'] | ['2D supergravity in p+1 dimensions'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 2', 'superspace', 'sigma model', 'transformation', 'action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808072'] | ["We describe new $N$-extended 2D supergravities on a $(p+1)$-dimensional (bosonic) space. The fundamental objects are moving frame densities that equip each $(p+1)$-dimensional point with a 2D ``tangent space''. The theory is presented in a $[p+1, 2]$ superspace. For the special case of $p=1$ we recover the 2D supergr... | ['1998-08-13'] |
7,909 | ['eng'] | ['Pérez-Victoria, M'] | ['Constrained Differential Renormalization of Yang-Mills Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'fermion, Dirac', 'renormalization, differential', 'Slavnov identity', 'n-point function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808071'] | ['We renormalize QCD to one loop in coordinate space using constrained differential renormalization, and show explicitly that the Slavnov-Taylor identities are preserved by this method.'] | ['1998-08-13'] |
7,910 | ['eng'] | ['Antoniadis, Ignatios', 'Mazur, P O', 'Mottola, E'] | ['Fractal Geometry of Quantum Spacetime at Large Scales'] | ['Particle Physics - Theory'] | ['space-time', 'fractals, dimension', 'geometry', 'anomaly', 'Gauss-Bonnet term', 'scaling', 'astrophysics, fundamental constant', 'gravitation, fundamental constant', 'coupling, screening'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808070'] | ["We compute the intrinsic Hausdorff dimension of spacetime at the infrared fixed point of the quantum conformal factor in 4D gravity. The fractal dimension is defined by the appropriate covariant diffusion equation in four dimensions and is determined by the coefficient of the Gauss-Bonnet term in the trace anomaly to... | ['1998-08-13'] |
7,911 | ['eng'] | ['Hull, C M', 'Khuri, R R'] | ['Branes, Times and Dualities'] | ['Particle Physics - Theory'] | ['M-theory', 'string model', 'dimension, 11', 'duality', 'spontaneous compactification', 'membrane model, D-brane', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808069'] | ['Dualities link M-theory, the 10+1 dimensional strong coupling limit of the IIA string, to other 11-dimensional theories in signatures 9+2 and 6+5, and to type II string theories in all 10-dimensional signatures. We study the Freund-Rubin-type compactifications and brane-type solutions of these theories, and find that... | ['1998-08-13'] |
7,912 | ['eng'] | ['Lewis, A'] | ['Vacuum Instability in Topologically Massive Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory', 'mass, topological', 'vacuum state, stability', 'Wess-Zumino-Witten model', 'field theory, conformal', 'Chern-Simons term', 'charge', 'bound state'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808068'] | ['We find the critical charge for a topologically massive gauge theory for any gauge group, generalising our earlier result for SU(2). The relation between critical charges in TMGT, singular vectors in the WZNW model and logarithmic CFT is investigated.'] | ['1998-08-13'] |
7,913 | ['eng'] | ['Jaramillo, A', 'Mansfield, P'] | ['Finite VEVs from a Large Distance Vacuum Wave Functional'] | ['Particle Physics - Theory'] | ['vacuum state, wave function', 'expansion, derivative', 'phi**n model, 4', 'dimension, 2', 'Feynman graph', 'analytic properties', 'two-point function', 'dimensional reduction', 'quantum mechanics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808067'] | ['We show how to compute vacuum expectation values from derivative expansions of the vacuum wave functional. Such expansions appear to be valid only for slowly varying fields, but by exploiting analyticity in a complex scale parameter we can reconstruct the contribution from rapidly varying fields.'] | ['1998-08-13'] |
7,914 | ['eng'] | ['Ioannidou, T A', 'Piette, B M A G', 'Zakrzewski, W J'] | ['Low Energy Baryons in the SU(3) Skyrme Model'] | ['Particle Physics - Theory'] | ['Skyrme model, SU(3)', 'baryon, density', 'energy, density', 'embedding, SU(2)', 'bound state', 'transformation, harmonic', 'baryon number, 2-6', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808066'] | ['Extending the method introduced by Houghton, Manton and Sutcliffe we use harmonic maps from S^2 to CP^2 to construct low energy configurations of the SU(3) Skyrme model. We show that the SU(3) Skyrme model has field configurations with energies lower than the embedded SU(2) solutions. In addition, we show that the ba... | ['1998-08-13'] |
7,915 | ['eng'] | ['Ioannidou, T A', 'Piette, B M A G', 'Zakrzewski, W J'] | ['Low Energy Configurations in the SU(N) Skyrme Model'] | ['Particle Physics - Theory'] | ['Skyrme model, SU(N)', 'baryon number, high', 'energy, upper limit', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808065'] | ['We show that the SU(N) Skyrme model has genuine multi-skyrmion solutions of energy lower than the natural embeddings of the SU(2) solutions with the same baryon number. We also construct a non-topological solution for the SU(3) model and argue that it is an unstable bound-state of two skyrmions and two anti-skyrmions... | ['1998-08-13'] |
7,916 | ['eng'] | ['Kaloper, N'] | ['Initial Conditions in Pre-Big Bang'] | ['Particle Physics - Theory'] | ['talk, Boston 1998/03/22', 'talk, Geneva 1998/06/08', 'astrophysics, model', 'string model', 'field theory, moduli space', 'dilaton', 'inflationary universe'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808063'] | ['This note is a summary of the work reported in hep-th/9801073. We give a brief discussion of the fine tuning problem in pre-big bang cosmology. We use the flatness problem as our test case, and in addition to the exact numerical limits on initial conditions, we highlight the differences between pre-big bang and stand... | ['1998-08-13'] |
7,917 | ['eng'] | ['Gamboa-Rios, J', 'Plyushchay, M S', 'Zanelli, J'] | ['Three aspects of bosonized supersymmetry and linear differential field equation with reflection'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'bosonization', 'differential equations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808062'] | ["Recently it was observed by one of the authors that supersymmetric quantum mechanics (SUSYQM) admits a formulation in terms of only one bosonic degree of freedom. Such a construction, called the minimally bosonized SUSYQM, appeared in the context of integrable systems and dynamical symmetries. We show that the minima... | ['1998-08-12'] |
7,918 | ['eng'] | ['Harvey, J A', 'Minasian, R', 'Moore, G'] | ['Non-abelian Tensor-multiplet Anomalies'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model', 'multiplet, tensor', 'anomaly', 'black hole, entropy', 'Chern-Simons term', 'supergravity', 'expansion 1/N', 'current, correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808060'] | ['We use the anomaly cancellation of the M-theory fivebrane to derive the R-symmetry anomalies of the $A_{N}$ $(0,2)$ tensor-multiplet theories. This result leads to a simple derivation of black hole entropy in $d=4, \\CN=2$ compactifications of $M$-theory. We also show how the formalism of normal bundle anomaly cancel... | ['1998-08-12'] |
7,919 | ['eng'] | ['Dereli, T', 'Tucker, R W'] | ['String Fields and the Standard Model'] | ['Particle Physics - Theory'] | ['string model', 'effective action', 'Higgs particle', 'intermediate boson, mass generation', 'symmetry, spontaneously broken', 'field theory, tensor', 'gauge field theory, SU(2) x U(1)', 'Weinberg angle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808059'] | ['The Cremmer-Scherk mechanism is generalised in a non-Abelian context. In the presence of the Higgs scalars of the standard model it is argued that fields arising from the low energy effective string action may contribute to the mass generation of the observed vector bosons that mediate the electroweak interactions an... | ['1998-08-12'] |
7,920 | ['eng'] | ['Ghosh, S'] | ['Bosonisation Excercise in Three Dimensions'] | ['Particle Physics - Theory'] | ['Thirring model, massive', 'dimension, 3', 'bosonization', 'current'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808058'] | ['Bosonisation of the massive Thirring model, with a non-minimal and non-abelian gauging is studied in 2+1-dimensions. The static abelian model is solved completely in the large fermion mass limit and the spectrum is obtained. The non-abelian model is solved for a restricted class of gauge fields. In both cases explici... | ['1998-08-12'] |
7,921 | ['eng'] | ['Tekin, B', 'Saririan, K', 'Hosotani, Y'] | ['Complex Monopoles in YM + Chern-Simons Theory in 3 Dimensions'] | ['Particle Physics - Theory'] | ['talk, Suzdal 1998/05/18', 'gauge field theory', 'Georgi-Glashow model', 'Chern-Simons term', 'dimension, 3', 'field equations, monopole', 'Gribov problem', 'symmetry breaking, SO(3)', 'symmetry, U(1)', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808057'] | ['In this talk, we give a brief discussion of complex monopole solutions in the three dimensional Georgi-Glashow model with a Chern-Simons term. We find that there exist complex monopole solutions of finite action. They dominate the path integral and disorder the Higgs vacuum, but electric charges are not confined. Sub... | ['1998-08-12'] |
7,922 | ['eng'] | ['Kachru, S', 'Silverstein, E'] | ['Self-Dual Nonsupersymmetric Type II String Compactifications'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification', 'duality', 'orbifold', 'membrane model', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808056'] | ['It has recently been proposed that certain nonsupersymmetric type II orbifolds have vanishing perturbative contributions to the cosmological constant. We show that techniques of Sen and Vafa allow one to construct dual type II descriptions of these models (some of which have no weakly coupled heterotic dual). The dua... | ['1998-08-11'] |
7,923 | ['eng'] | ['Baulieu, L'] | ['On Forms with Non-Abelian Charges and Their Dualities'] | ['Particle Physics - Theory'] | ['field theory, topological', 'charge, nonabelian', 'duality', 'differential forms', 'antifield', 'any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808055'] | ['We describe forms with non-Abelian charges. We avoid the use of theories with flat curvatures by working in the context of topological field theory. We obtain TQFTs for a form and its dual. We leave open the question of getting gauges in which the form, or its dual, can be gauged away, in such way that the model has ... | ['1998-08-11'] |
7,924 | ['eng'] | ['Oehme, Reinhard'] | ['Reduction of dual'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'duality', 'supersymmetry', 'renormalization group, beta function', 'reparametrization', 'coupling', 'infrared problem, fixed point'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808054'] | ["In view of the presence of a superpotential, the dual of a gauge theory like SQCD contains two coupling parameters. The method of the Reduction of Couplings is used in order to express the parameter of the superpotential in terms of the dual gauge coupling. In the conformal window and above it, a unique, isolated sol... | ['1998-08-11'] |
7,925 | ['eng'] | ['Devchand, C', 'Lechtenfeld, O'] | ['String-induced Yang-Mills coupling to self-dual gravity'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'gravitation', 'duality', 'coupling, induced', 'string model', 'effective action', 'supersymmetry', 'scattering amplitude'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808053'] | ["By considering N=2 string amplitudes we determine the (2+2)-dimensional target space action for the physical degrees of freedom: self-dual gravity and self-dual Yang-Mills, together with their respective infinite towers of higher-spin inequivalent picture states. Novel `stringy' couplings amongst these fields are ess... | ['1998-08-11'] |
7,926 | ['eng'] | ['de Wit, B', 'Peeters, K', 'Plefka, J C', 'Sevrin, A'] | ['The M-Theory Two-Brane in $AdS_{4} x S^{7}$ and $AdS_{7} x S^{4}$'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model', 'space-time, anti-de Sitter', 'dimension, 11', 'symmetry, OSp(8|4)', 'symmetry, OSp(6,2|4)', 'coset space', 'supergravity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808052'] | ['We construct the supermembrane action in an AdS_4 x S^7 and AdS_7 x S^4 background to all orders in anticommuting coordinates. The result is compared to and agrees completely with results obtained earlier for generic supergravity backgrounds through gauge completion at low orders in \\theta.'] | ['1998-08-11'] |
7,927 | ['eng'] | ["L'Yi, W S"] | ['Holographic projection of massive vector fields in AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, vector', 'massive', 'holography', 'field theory, conformal', 'space-time, anti-de Sitter', 'current, correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808051'] | ['The holographic properties of massive gauge fields in AdS/CFT correspondence is investigated. The classical action is expanded in terms of $\\epsilon=x_0,$ the dimension which is collapsed under the AdS to CFT holographic projection. This expansion necessarily contains \\epsilon-divergent terms which may be related t... | ['1998-08-11'] |
7,928 | ['eng'] | ['Gogilidze, S A', 'Ilieva, N P', 'Lipartia, E Z', 'Pervushin, V N'] | ['Wu-Yang Monopole with a Topological "Charge"'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field equations, monopole', 'charge, topological', 'U(1) problem', 'quantum chromodynamics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808050'] | ['We present a generalization of the Wu-Yang monopole with a continuous topological "charge". The latter can be considered as a massless topological excitation which realizes the Kogut-Susskind mechanism of solution of the U(1)-problem in QCD.'] | ['1998-08-11'] |
7,929 | ['eng'] | ['Maznytsia, A', 'Preitschopf, C R', 'Sorokin, D P'] | ['Dual Actions for Chiral Bosons'] | ['Particle Physics - Theory'] | ['talk, Dubna 1998/06/22', 'talk, Kazan 1998/06/22', 'boson, chiral', 'duality', 'dimension, 2', 'dimension, 6', 'gauge field theory', 'dyon'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808049'] | ['We study duality properties of actions for chiral boson fields in various space-time dimensions using D=2 and D=6 cases as examples. As a result we get dual covariant formulations of chiral bosons.'] | ['1998-08-11'] |
7,930 | ['eng'] | ['Kakushadze, Z'] | ['Large N Gauge Theories from Orientifolds with NS-NS B-flux'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'orbifold', 'field theory, tensor', 'expansion 1/N', 'membrane model, D-brane', 'group theory, representation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808048'] | ['We consider D-branes and orientifold planes embedded in non-compact (orbifolded) space-time. We point out that even in the non-compact cases we can turn on non-zero (quantized) NS-NS antisymmetric B-field. In particular, we study the effect of the B-field on four dimensional large N gauge theories from orientifolds. ... | ['1998-08-11'] |
7,931 | ['eng'] | ['Yang, J'] | ['On the underlying theory approach for quantum theories'] | ['Particle Physics - Theory'] | ['quantization', 'regularization', 'renormalization', 'commutation relations', 'space-time', 'causality', 'unitarity', 'Hilbert space', 'quantum mechanics', 'string model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808047'] | ['Some explanations and implications of the underlying theory approach for quantum theories (QM or QFT) are discussed and suggested. This simple idea seems to have significantly nontrivial effects for our understanding of the quantum theories.'] | ['1998-08-11'] |
7,932 | ['eng'] | ['Kaviani, K', 'Parvizi, S', 'Fatollahi, A H'] | ['Interaction of Branes at Angles in M(atrix) Model'] | ['Particle Physics - Theory'] | ['matrix model', 'membrane model, interaction', 'string model', 'fermion, zero mode', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808046'] | ['Interactions of relatively rotated Dp-branes in 1, 2, 3 and 4 angles in M(atrix) model are calculated and it is found to be in agreement with string theory calculations. In 4 angles case the agreement is achieved after subtracting the contribution of the single chiral fermionic zero mode.'] | ['1998-08-11'] |
7,933 | ['eng'] | ['Tekin, B', 'Saririan, K', 'Hosotani, Y'] | ['Complex Monopoles in the Georgi-Glashow-Chern-Simons Model'] | ['Particle Physics - Theory'] | ['Georgi-Glashow model', 'Chern-Simons term', 'dimension, 3', 'field equations, monopole', 'analytic properties', 'action, finite', 'path integral', 'Gribov problem', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808045'] | ['We investigate the three dimensional Georgi-Glashow model with a Chern-Simons term. We find that there exist complex monopole solutions of finite action. They dominate the path integral and disorder the Higgs vacuum, but electric charges are not confined. Subtleties in the gauge fixing procedure in the path integral ... | ['1998-08-10'] |
7,934 | ['eng'] | ['Haller, K', 'Chen, L'] | ['Nonlocal color interactions in a gauge-invariant formulation of QCD'] | ['Particle Physics - Theory'] | ['talk, Vancouver 1998/07/23', 'quantum chromodynamics', 'invariance, gauge', 'Gauss law', 'interaction, nonlocal', 'quark, confinement', 'color, transparency'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808044'] | ["We construct a set of states that implement the non-Abelian Gauss's law for QCD. We also construct a set of gauge-invariant operator-valued quark and gluon fields by establishing an explicit unitary equivalence between the Gauss's law operator and the `pure glue' part of the Gauss's law operator. This unitary equival... | ['1998-08-10'] |
7,935 | ['eng'] | ['Connes, Alain', 'Kreimer, D'] | ['Hopf Algebras, Renormalization and Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['algebra, Hopf', 'renormalization', 'geometry, noncommutative', 'index theorem'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808042'] | ['We explore the relation between the Hopf algebra associated to the renormalization of QFT and the Hopf algebra associated to the NCG computations of transverse index theory for foliations.'] | ['1998-08-10'] |
7,936 | ['eng'] | ['Osborn, H'] | ['N=1 Superconformal Symmetry in Four Dimensional Quantum Field Theory'] | ['Particle Physics - Theory'] | ['supersymmetry', 'symmetry, conformal', 'n-point function', 'Ward identity', 'current', 'anomaly, axial', 'tensor, energy-momentum'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808041'] | ['The implications of N=1 superconformal symmetry for four dimensional quantum field theories are studied. Superconformal covariant expressions for two and three point functions of quasi-primary superfields of arbitrary spin are found and connected with the operator product expansion. The general formulae are specialis... | ['1998-08-10'] |
7,937 | ['eng'] | ['Malik, R P'] | ['On the BRST cohomology in U(1) gauge theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 2', 'cohomology, Becchi-Rouet-Stora', 'operator, Casimir', 'invariance, gauge', 'Hilbert space', 'duality', 'charge, conservation law', 'photon, transverse', 'ghost', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808040'] | ['We discuss the Becchi-Rouet-Stora-Tyutin (BRST) cohomology in the case of two-dimensional free U(1) gauge theory. In addition to the usual BRST charge, we deduce a conserved and nilpotent dual- BRST charge under which the gauge-fixing term remains invariant. This charge is the analogue of the adjoint(dual) exterior d... | ['1998-08-10'] |
7,938 | ['eng'] | ['Jevicki, A', 'Kazama, Y', 'Yoneya, T'] | ['Quantum Metamorphosis of Conformal Transformation in D3-Brane Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'transformation, conformal', 'membrane model, D-brane', 'D-brane, 3', 'space-time, anti-de Sitter', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808039'] | ['We show how the linear special conformal transformation in four-dimensional N=4 super Yang-Mills theory is metamorphosed into the nonlinear and field-dependent transformation for the collective coordinates of Dirichlet 3-branes, which agrees with the transformation law for the space-time coordinates in the anti-de Si... | ['1998-08-10'] |
7,939 | ['eng'] | ['Keski-Vakkuri, E'] | ['Bulk and Boundary Dynamics in BTZ Black Holes'] | ['Particle Physics - Theory'] | ['black hole', 'space-time, Lorentz', 'field theory, scalar', 'massive', 'boundary condition', 'correlation function', 'two-point function', 'temperature, Hawking', 'symmetry, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808037'] | ['Recently, the AdS/CFT conjecture of Maldacena has been investigated in Lorentzian signature by Balasubramanian et. al. We extend this investigation to Lorentzian BTZ black hole spacetimes, and study the bulk and boundary behaviour of massive scalar fields both in the non-extremal and extremal case. Using the bulk-bou... | ['1998-08-07'] |
7,940 | ['eng'] | ['Jackiw, R W', 'Pi, S Y'] | ['Dimensionally Reduced Chern-Simons Terms and their Solitons'] | ['Particle Physics - Theory'] | ['talk, Les Houches 1998/06/16', 'Chern-Simons term', 'gauge field theory', 'matter, nonrelativistic', 'dimensional reduction', 'soliton', 'magnetic monopole', 'instanton', 'dimension, 3', 'Schroedinger equation, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808036'] | ['We consider models in which nonrelativistic matter fields interact with gauge fields whose dynamics are governed by the Chern-Simons term. The relevant equations of motion are derived and reduced dimensionally in time or in space. Interesting solitonic equations emerge and their solutions are described. Finally, we c... | ['1998-08-07'] |
7,941 | ['eng'] | ['Minic, D'] | ['On the Space-Time Uncertainty Principle and Holography'] | ['Particle Physics - Theory'] | ['space-time, uncertainty relations', 'holography', 'matrix model', 'field theory, conformal', 'space-time, anti-de Sitter', 'string model', 'Hilbert space', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808035'] | ['In this note further evidence is collected in support of the claim that the space-time uncertainty principle implies holography, both within the context of Matrix Theory and the framework of the proposed duality between certain conformal field theories and M-theory/string theory on AdS backgrounds.'] | ['1998-08-07'] |
7,942 | ['eng'] | ['Aoyama, H', 'Kikuchi, H', 'Okouchi, I', 'Sato, M', 'Wada, S'] | ['Valley Views'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'field theory, scalar', 'instanton', 'analytic properties', 'energy levels', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808034'] | ["The elucidation of the properties of the instantons in the topologically trivial sector has been a long-standing puzzle. Here we claim that the properties can be summarized in terms of the geometrical structure in the configuration space, the valley. The evidence for this claim is presented in various ways. The conve... | ['1998-08-07'] |
7,943 | ['eng'] | ['Chapline, G', 'Granik, A'] | ['Moyal Quantization, Holography, and the Quantum Geometry of Surfaces'] | ['Particle Physics - Theory'] | ['quantization, Moyal', 'phase space', 'holography', 'Riemann surfaces', 'dimension, 2', 'model, nonlinear', 'integrability', 'space, symplectic', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808033'] | ['An elementary introduction is provided to the phase space quantization method of Moyal and Wigner. We generalize the method so that it applies to 2-dimensional surfaces, where it has an interesting connection with quantum holography. In the case of Riemann surfaces the connection between Moyal quantization and hologr... | ['1998-08-07'] |
7,944 | ['eng'] | ['Birmingham, Daniel'] | ['Topological Black Holes in Anti-de Sitter Space'] | ['Particle Physics - Theory'] | ['black hole, topological', 'Einstein equation, solution', 'any-dimensional', 'space-time, anti-de Sitter', 'mass', 'temperature', 'entropy', 'horizon', 'field theory, conformal', 'critical phenomena'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808032'] | ["A class of black hole solutions to Einstein's equations in d dimensions with a negative cosmological constant is constructed. These solutions have the property that the horizon is a (d-2)-dimensional manifold of constant curvature, but this curvature may be positive, zero, or negative. Asymptotically, the solutions a... | ['1998-08-07'] |
7,945 | ['eng'] | ['Kovner, A', 'Rosenstein, B'] | ['Strings and string breaking in 2+1 dimensional nonabelian theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'dimension, 3', 'string model', 'string, interaction', 'effective Lagrangian', 'duality', 'fluctuation', 'symmetry breaking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808031'] | ["We consider properties of confining strings in 2+1 dimensional SU(2) nonabelian gauge theory with the Higgs field in adjoint representation. The analysis is carried out in the context of effective dual Lagrangian which describes the dynamics of t'Hooft's $Z_{N}$ vorices. We point out that the same Lagrangian should b... | ['1998-08-07'] |
7,946 | ['eng'] | ['Cohen, E', 'Horwitz, L P'] | ['Non-Orthogonality of Residues in the Wigner-Weisskopf Model for Neutral K Meson Decay'] | ['Particle Physics - Theory'] | ['K0, hadronic decay', 'interference, (K0(L) K0(S))', 'approximation, pole', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808030'] | ['We review the application of the Wigner-Weisskopf model to the two-channel decay problem for the neutral $K$ meson system in the resolvent formalism. The residues in the pole approximation are not orthogonal, leading to additional interference terms in the $K_S-K_L 2\\pi$ channel. We show that these terms may be dete... | ['1998-08-07'] |
7,947 | ['eng'] | ['Araki, M', 'Tanii, Y'] | ['Duality Symmetries in Non-Linear Gauge Theories'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'any-dimensional', 'gauge field theory, nonlinear', 'duality, transformation', 'sigma model, nonlinear'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808029'] | ['Duality symmetries are discussed for non-linear gauge theories of (n-1)-th rank antisymmetric tensor fields in general even dimensions d=2n. When there are M field strengths and no scalar fields, the duality symmetry groups should be compact. We find conditions on the Lagrangian required by compact duality symmetries... | ['1998-08-07'] |
7,948 | ['eng'] | ['Ekstrand, C'] | ['$Z_{2}$ -Graded Cocycles in Higher Dimension'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'external field', 'operator, differential', 'algebra, operator', 'supersymmetry', 'symmetry, Z(2)', 'dimension, 2', 'dimension, 4', 'fermion, chiral', 'algebra, chiral', 'algebra, Lie', 'quantization, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9903150'] | ['Current superalgebras and corresponding Schwinger terms in 1 and 3 space dimensions are studied. This is done by generalizing the quantization of chiral fermions in an external Yang-Mills potential to the case of a Z_2-graded potential coupled to bosons and fermions.'] | ['1999-03-18'] |
7,949 | ['eng'] | ['Haller, K'] | ['Gauge-Invariant QCD'] | ['Particle Physics - Theory'] | ['talk, Paris 1998/06/01', 'quantum chromodynamics', 'invariance, gauge', 'temporal gauge', 'Hamiltonian formalism', 'Gauss law', 'interaction, nonlocal', 'confinement, color', 'forces, long-range'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808028'] | ["We discuss the transformation of the QCD temporal-gauge Hamiltonian to a representation in which it can be expressed as a functional of gauge-invariant quark and gluon fields. We show how this objective can be realized by implementing the non-Abelian Gauss's law, and by using the mathematical apparatus developed for ... | ['1998-08-06'] |
7,950 | ['eng'] | ['Das, A', 'Silva, A J'] | ['Exact Effective Action for (1+1 Dimensional) Fermions in an Abelian Background at Finite Temperature'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion', 'dimension, 2', 'finite temperature', 'background field', 'effective action', 'n-point function', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808027'] | ['In an effort to further understand the structure of effective actions for fermions in an external gauge background at finite temperature, we study the example of 1+1 dimensional fermions interacting with an arbitrary Abelian gauge field. We evaluate the effective action exactly at finite temperature. This effective a... | ['1998-08-06'] |
7,951 | ['eng'] | ['Erlich, J', 'Naqvi, A'] | ['Nonperturbative Tests of the Parent/Orbifold Correspondence in Supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'field theory, orbifold', 'expansion 1/N', 'Seiberg-Witten model', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808026'] | ["It has been shown that a procedure analogous to orbifolding in string theory, when applied to certain large N field theories, leaves correlators invariant perturbatively. We test nonperturbative agreement of some aspects of the orbifolded and non-orbifolded theories. More specifically, we find that the period matrice... | ['1998-08-06'] |
7,952 | ['eng'] | ['Lechner, K'] | ['Self-dual tensors and gravitational anomalies in 4n+2 dimensions'] | ['Particle Physics - Theory'] | ['field theory, tensor', 'gravitation, anomaly', 'any-dimensional', 'boson, chiral', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808025'] | ['Starting from a manifestly Lorentz- and diffeomorphism-invariant classical action we perform a perturbative derivation of the gravitational anomalies for chiral bosons in 4n+2 dimensions. The manifest classical invariance is achieved using a newly developed method based on a scalar auxiliary field and two new bosonic... | ['1998-08-06'] |
7,953 | ['eng'] | ['Gregori, A', 'Kounnas, Costas', 'Petropoulos, P M'] | ['Non-Perturbative Gravitational Corrections in a Class of N=2 String Duals'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'spontaneous compactification', 'duality', 'field theory, orbifold', 'field theory, Calabi-Yau', 'gravitation, correction', 'nonperturbative', 'group theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808024'] | ['We investigate the non-perturbative equivalence of some heterotic/type II dual pairs with N=2 supersymmetry. The perturbative heterotic scalar manifolds are respectively SU(1, 1)/U(1) x SO(2, 2+NV)/ SO(2) x SO(2+NV) and SO(4, 4+NH)/ SO(4) x SO(4+NH) for moduli in the vector multiplets and hypermultiplets. The models ... | ['1998-08-06'] |
7,954 | ['eng'] | ['Bántay, P'] | ['Orbifoldization, covering surfaces and uniformization theory'] | ['Particle Physics - Theory'] | ['orbifold, permutation', 'field theory, conformal', 'field theory, rational', 'partition function', 'Riemann surfaces, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808023'] | ['The connection between the theory of permutation orbifolds, covering surfaces and uniformization is investigated, and the higher genus partition functions of an arbitrary permutation orbifold are expressed in terms of those of the original theory.'] | ['1998-08-06'] |
7,955 | ['eng'] | ['Terashima, S', 'Yang, S K'] | ['Seiberg-Witten Geometry with Various Matter Contents'] | ['Particle Physics - Theory'] | ['gauge field theory, SO(N)', 'supersymmetry', 'Seiberg-Witten model', 'symmetry breaking', 'group theory', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808022'] | ['We obtain the Seiberg-Witten geometry for four-dimensional N=2 gauge theory with gauge group SO(2N_c) (N_c \\leq 5) with massive spinor and vector hypermultiplets by considering the gauge symmetry breaking in the N=2 $E_6$ theory with massive fundamental hypermultiplets. In a similar way the Seiberg-Witten geometry i... | ['1998-08-06'] |
7,956 | ['eng'] | ['Pawlowski, M'] | ['Conformal Symmetry and Unification'] | ['Particle Physics - Theory'] | ['talk, Lodz 1998/04/15', 'Salam-Weinberg model', 'gravitation, Weyl', 'symmetry, gauge', 'symmetry, conformal', 'field theory, scalar', 'Higgs model', 'astrophysics, fundamental constant', 'gauge fixing', 'gauge boson, interference', 'mass generation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808021'] | ["The Weyl-Weinberg-Salam model is presented. It is based on the local conformal gauge symmetry. The model identifies the Higgs scalar field in SM with the Penrose-Chernikov-Tagirov scalar field of the conformal theory of gravity. Higgs mechanism for generation of particle masses is replaced by the originated in Weyl's... | ['1998-08-06'] |
7,957 | ['eng'] | ['Kakushadze, Z'] | ["String Expansion as 't Hooft's Expansion"] | ['Particle Physics - Theory'] | ['talk, Boston 1998/03/22', 'gauge field theory, SU(N)**M', 'supersymmetry', 'expansion 1/N', 'partition function', 'field theory, orbifold', 'perturbation theory, higher-order', 'scattering amplitude, factorization', 'field theory, orientifold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808019'] | ['We briefly review some recent developments in large N gauge theories which utilize the power of string perturbation techniques.'] | ['1998-08-06'] |
7,958 | ['eng'] | ['Jaimungal, S'] | ['Wilson Loops, Bianchi Constraints and Duality in Abelian Lattice Models'] | ['Particle Physics - Theory'] | ['lattice field theory', 'gauge field theory, abelian', 'interaction, local', 'duality', 'topology', 'Bianchi identity', 'charge, fractional', 'correlation function', 'model, statistical', 'Wilson loop', 'model, spin', 'homology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808018'] | ['We introduce new modified Abelian lattice models, with inhomogeneous local interactions, in which a sum over topological sectors are included in the defining partition function. The dual models, on lattices with arbitrary topology, are constructed and they are found to contain sums over topological sectors, with modi... | ['1998-08-06'] |
7,959 | ['eng'] | ['Balasubramanian, V', 'Kraus, P', 'Lawrence, A', 'Trivedi, S P'] | ['Holographic Probes of Anti-de Sitter Spacetimes'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'boundary condition', 'field theory, scalar', 'field theory, conformal', 'quantization', 'Hamiltonian formalism', 'instanton', 'correlation function'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808017'] | ['We describe probes of anti-de Sitter spacetimes in terms of conformal field theories on the AdS boundary. Our basic tool is a formula that relates bulk and boundary states -- classical bulk field configurations are dual to expectation values of operators on the boundary. At the quantum level we relate the operator ex... | ['1998-08-05'] |
7,960 | ['eng'] | ['Banks, T', 'Douglas, M R', 'Horowitz, Gary T', 'Martinec, Emil J'] | ['AdS Dynamics from Conformal Field Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'space-time, anti-de Sitter', 'supergravity', 'n-point function', 'expansion 1/N', 'duality', 'field theory, conformal', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808016'] | ['We explore the extent to which a local string theory dynamics in anti-de Sitter space can be determined from its proposed Conformal Field Theory (CFT) description. Free fields in the bulk are constructed from the CFT operators, but difficulties are encountered when one attempts to incorporate interactions. We also di... | ['1998-08-05'] |
7,961 | ['eng'] | ['Hatzinikitas, A'] | ['Classical and quantum motion on the orbifold limit of the Eguchi-Hanson metric'] | ['Particle Physics - Theory'] | ['supersymmetry, superfield', 'field theory, action', 'symmetry, SU(N)', 'field theory, orbifold', 'topology', 'field equations, solution', 'Schroedinger equation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808015'] | ["We investigate the behaviour of a particle moving on the quotient manifold $M=C^2/Z_$ which is derived from the EH metric as the two centers approach each other. In the classical region of the configuration space we specify the physically acceptable solutions and observe a tendency of the radial wave function to conc... | ['1998-08-05'] |
7,962 | ['eng'] | ['Berkovich, A', 'McCoy, B M'] | ['The universal chiral partition function for exclusion statistics'] | ['Particle Physics - Theory'] | ['partition function, chiral', 'field theory, conformal', 'statistics', 'Hall effect, fractional', 'algebra, U(1)', 'algebra, affine'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808013'] | ['We demonstrate the equality between the universal chiral partition function, which was first found in the context of conformal field theory and Rogers-Ramanujan identities, and the exclusion statistics introduced by Haldane in the study of the fractional quantum Hall effect.'] | ['1998-08-05'] |
7,963 | ['eng'] | ['Sokolov, A I', 'Orlov, E V', 'Ulkov, V A', 'Kashtanov, S S'] | ['Universal effective action for O(n)-symmetric $\\lambda \\phi^4$ model from renormalization group'] | ['Particle Physics - Theory'] | ['talk, 1998/07/05', 'phi**n model, 4', 'symmetry, O(N)', 'effective action', 'renormalization group', 'coupling constant', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808011'] | ['The RG expansions for renormalized coupling constants g_6 and g_8 of the 3D n-vector model are calculated in the 4-loop and 3-loop approximations respectively. Resummation of the RG series for g_6 by the Pade-Borel-Leroy technique results in the estimates for its universal critical values g_6^*(n) which are argued to... | ['1998-08-05'] |
7,964 | ['eng'] | ['Modanese, G'] | ['Tunneling of a Massless Field through a 3D Gaussian Barrier'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, massless', 'tunneling', 'quantization', 'correlation function', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808009'] | ['Recently we proposed a method for the approximate computation of the Green function of a scalar massless field Phi subjected to potential barriers of given size and shape in spacetime. Here we apply this technique to the case of a 3D gaussian ellipsoid-like barrier, placed on the axis between two pointlike sources of... | ['1998-08-04'] |
7,965 | ['eng'] | ['Reinhardt, H'] | ['Magnetic Monopoles and the Topology of Gauge Fields'] | ['Particle Physics - Theory'] | ['talk, Montpellier 1998/07/02', 'magnetic monopole, condensation', 'gauge, abelian', 'gauge field theory', 'Polyakov loop', 'topology'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808008'] | ['Lattice calculations performed in Abelian gauges give strong evidence that confinement is realized as a dual Meissner effect, implying that the Yang--Mills vacuum consists of a condensate of magnetic monopoles. We show in Polyakov gauge how the Pontrjagin index of the gauge field is related to the magnetic monopole c... | ['1998-08-04'] |
7,966 | ['eng'] | ['Maedan, S'] | ['Infrared divergence on the light-front and dynamical Higgs mechanism'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'fermion, massless', 'field theory, scalar', 'dimension, 2', 'light front', 'infrared problem', 'effect, Higgs', 'zero mode', 'symmetry, dynamically broken', 'gauge boson, mass generation', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808007'] | ['Dynamical Higgs mechanism on the light-front (LF) is studied using a (1+1) dimensional model, with emphasis on the infrared divergence problem. The consideration of the zero mode $ k^+ = 0 $ is not sufficient for investigating dynamical symmetry breaking on the LF. It also needs to treat properly an infrared divergen... | ['1998-08-04'] |
7,967 | ['eng'] | ['Freedman, Daniel Z', 'Mathur, S D', 'Matusis, A', 'Rastelli, L'] | ['Comments on 4-point functions in the CFT/AdS correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'n-point function, 4', 'operator product expansion', 'supergravity', 'dilaton', 'axion', 'singularity'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808006'] | ['We study the four--point function of chiral primaries corresponding to the dilaton--axion sector in supergravity in the $AdS_5$/CFT$_4$ correspondence. We find relations between some of the supergravity graphs and compute their leading singularities. We discuss the issue of logarithmic singularities and their signifi... | ['1998-08-04'] |
7,968 | ['eng'] | ['Gabadadze, Gregory T'] | ['The Discrete $Z_{2N_c}$ Symmetry And Effective Superpotential In SUSY Gluodynamics'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'symmetry, discrete', 'vacuum state', 'effective potential', 'symmetry, Z(N)', 'phase space', 'domain wall'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808005'] | ['We find an expression for the effective superpotential describing the $N_c$ vacua of $SU(N_c)$ SUSY gluodynamics. The superpotential reduces in some approximation to the Veneziano-Yankielowicz expression amended by the term restoring the discrete $Z_{2N_c}$ symmetry. Moreover, the superpotential, being restricted to ... | ['1998-08-04'] |
7,969 | ['eng'] | ['Anselmi, D'] | ['Theory of higher spin tensor currents and central charges'] | ['Particle Physics - Theory'] | ['spin, high', 'current, conservation law', 'central charge', 'critical phenomena', 'anomaly, conformal', 'renormalization group', 'operator product expansion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808004'] | ['We study higher spin tensor currents in quantum field theory. Scalar, spinor and vector fields admit unique "improved" currents of arbitrary spin, traceless and conserved. Off-criticality as well as at interacting fixed points conservation is violated and the dimension of the current is anomalous. In particular, curr... | ['1998-08-04'] |
7,970 | ['eng'] | ['Abdalla, Elcio', 'Banerjee, R', 'Molina, C'] | ['Screening in three-dimensional QED with arbitrary fermion mass'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'dimension, 3', 'quark antiquark, potential', 'fermion, mass', 'screening', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808003'] | ['We compute the quark--antiquark potential in three dimensional massive Quantum Electrodynamics for arbitrary fermion mass. The result indicates that screening prevails for any quark masses, contrary to the classical expectations, generalizing our previous result obtained for large masses. We also test the validity of... | ['1998-08-04'] |
7,971 | ['eng'] | ['Lee, H W', 'Myung, Y S'] | ['Greybody Factors in the $AdS_3$/CFT Correspondence'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'space-time, anti-de Sitter', 'dimension, 3', 'boundary condition', 'effective action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808002'] | ['We propose a new method to calculate the greybody factor in the $AdS_3$. This is based on both the non-normalizable modes of a test field($\\Phi_i$) and $AdS_3$/CFT correspondence. Such non-normalizable modes serve as classical, non-fluctuating background and encode the choice of operator insertion(${\\cal O}^i$) in ... | ['1998-08-04'] |
7,972 | ['eng'] | ['Bak, D', 'Kim, S P', 'Kim, S K', 'Soh, K S', 'Yee, J H'] | ['Perturbation Method beyond the Variational Gaussian Approximation'] | ['Particle Physics - Theory'] | ['perturbation theory, variational', 'model, oscillator', 'correction, wave function', 'Schroedinger equation, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9808001'] | ['We have developed a variational perturbation theory based on the Liouville-Neumann equation, which enables one to systematically compute the perturbative correction terms to the variationally determined wave functions of the time-dependent systems. We then apply the method to the time-independent anharmonic oscillato... | ['1998-08-04'] |
7,973 | ['eng'] | ['Rey, S J'] | ['Holography Principle and Topology Change in String Theory'] | ['Particle Physics - Theory'] | ['string model', 'holography', 'topology', 'wormhole', 'supergravity', 'gauge field theory, Yang-Mills', 'supersymmetry', 'instanton', 'space-time, anti-de Sitter'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807241'] | ["D-instantons of Type IIB string theory are Ramond-Ramond counterpart of Giddings-Strominger wormholes connecting two asymptotic regions of spacetime. Such wormholes, according to Coleman, might lead to spacetime topology change, third-quantized baby universes and probabilistic determination of fundamental coupling pa... | ['1998-08-03'] |
7,974 | ['eng'] | ['Kakushadze, Z'] | ['A Brief Review of Three-Family Grand Unification in String Theory'] | ['Particle Physics - Theory'] | ['review, Boston 1998/03/22', 'grand unified theory', 'string model', 'family, 3', 'coupling constant', 'current algebra', 'orbifold', 'supersymmetry', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807240'] | ['We briefly review the status of three-family grand unified string models.'] | ['1998-08-03'] |
7,975 | ['eng'] | ['Kar, S', 'Kazama, Y'] | ['Interaction of D-string with F-string'] | ['Particle Physics - Theory'] | ['boson, string model', 'field theory, action', 'path integral', 'geometry', 'quantization', 'operator, vertex', 'scattering amplitude', 'invariance, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807239'] | ['A path integral formalism is developed to study the interaction of an arbitrary curved Dirichlet (D-) string with elementary excitations of the fundumental (F-) string in bosonic string theory. Up to the next to leading order in the derivative expansion, we construct the properly renormalized vertex operator, which g... | ['1998-08-03'] |
7,976 | ['eng'] | ['Ferrer, E J', 'De la Incera, V'] | ['Inhomogeneous Magnetic Response in Anyon Fluid at High Temperature'] | ['Particle Physics - Theory'] | ['gauge field theory', 'Chern-Simons term', 'anyon, fluid', 'magnetic field, external field', 'temperature, high', 'charge', 'superconducting'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807238'] | ['The charged anyon fluid in the presence of an externally applied constant and homogeneous magnetic field is investigated at temperatures larger than the energy gap ($T\\gg \\omega_{c}$). It is shown that the applied magnetic field inhomogeneously penetrates the sample with a spatial periodicity depending on a wavelen... | ['1998-07-31'] |
7,977 | ['eng'] | ['Cherkis, S A'] | ['Supersymmetric Gauge Theories and Gravitational Instantons'] | ['Particle Physics - Theory'] | ['talk, Boston 1998/03/22', 'gauge field theory, Yang-Mills', 'supersymmetry', 'soliton, BPS', 'Einstein equation, soliton', 'geometry, algebra'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807237'] | ['Various string theory realizations of three-dimensional gauge theories relate them to gravitational instantons, Nahm equations and monopoles. We use this correspondence to model self-dual gravitational instantons of $D_k$-type as moduli spaces of singular monopoles, find their twistor spaces and metrics.'] | ['1998-07-31'] |
7,978 | ['eng'] | ['Fateev, V', 'Fradkin, D', 'Lukyanov, S', 'Zamolodchikov, A B', 'Zamolodchikov, A B'] | ['Expectation values of descendent fields in the sine-Gordon model'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'field theory, Euclidean', 'mass, soliton', 'correlation function', 'operator product expansion', 'approximation, quasiclassical', 'XYZ model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807236'] | ['We obtain exactly the vacuum expectation values $<(\\partial\\phi)^2 ({\\bar\\partial}\\phi) e^{i\\alpha\\phi}>$ in the sine-Gordon model and $<L_{-2}{\\bar L}_{-2} \\Phi_{l,k}>$ in $\\Phi_{1,3}$ perturbed minimal CFT. We discuss applications of these results to short-distance expansions of two-point correlation func... | ['1998-07-31'] |
7,979 | ['eng'] | ['Douglas, M R'] | ['D-branes and Discrete Torsion'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, orbifold', 'symmetry, Z(2) x Z(2)', 'torsion, discrete', 'coset space', 'membrane model, fractional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807235'] | ['We show that discrete torsion is implemented in a D-brane world-volume theory by using a projective representation of the orbifold point group. We study the example of C^3/Z_2 x Z_2 and show that the resolution of singularities agrees with that proposed by Vafa and Witten. A new type of fractional brane appears.'] | ['1998-07-31'] |
7,980 | ['eng'] | ['Dörrzapf, M', 'Gato-Rivera, B'] | ['Singular dimensions of the N=2 superconformal algebras, 1'] | ['Particle Physics - Theory'] | ['algebra, conformal', 'supersymmetry, algebra', 'algebra, topological', 'algebra, Virasoro', 'algebra, representation', 'mathematical methods'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807234'] | ['Verma modules of superconfomal algebras can have singular vector spaces with dimensions greater than 1. Following a method developed for the Virasoro algebra by Kent, we introduce the concept of adapted orderings on superconformal algebras. We prove several general results on the ordering kernels associated to the ad... | ['1998-07-31'] |
7,981 | ['eng'] | ['Pachos, J'] | ['Fast Lane for Confinement'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'representation, electric', 'potential, confinement', 'potential, Coulomb', 'regularization', 'Gauss law', 'Hamiltonian formalism', 'Schroedinger equation', 'propagator', 'mass, gap'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807233'] | ['Within the Electric Schroedinger Representation of the Yang-Mills theory the Hamiltonian eigenstate and eigenvalue, as well as the Coulomb and confining potentials are presented for a special regularization-approximation scheme, which focuses on the ultra-local behavior of the propagator.'] | ['1998-07-31'] |
7,982 | ['eng'] | ['Bonelli, G', 'Bonora, L', 'Nesti, F'] | ['String Interactions from Matrix String Theory'] | ['Particle Physics - Theory'] | ['matrix model', 'string model', 'supersymmetry', 'string, interaction', 'gauge field theory, U(N)', 'soliton, BPS', 'Riemann surfaces'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807232'] | ['The Matrix String Theory, i.e. the two dimensional U(N) SYM with N=(8,8) supersymmetry, has classical BPS solutions that interpolate between an initial and a final string configuration via a bordered Riemann surface. The Matrix String Theory amplitudes around such a classical BPS background, in the strong Yang--Mills... | ['1998-07-31'] |
7,983 | ['eng'] | ['Handrich, G', 'Nowak, C'] | ['The Nambu-Goto Theory of Closed Bosonic Strings Moving in 1+3-Dimensional Minkowski Space'] | ['Particle Physics - Theory'] | ['boson, string model', 'string, closed', 'operator, algebra', 'algebra, commutation relations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807231'] | ['The quantum algebra of observables postulated in hep-th/9805057 is constructed up to degree five. All independent relations of degree four are given; they involve three as yet undetermined parameters. Definitions and symbols are used as introduced in the above-mentioned article.'] | ['1998-07-31'] |
7,984 | ['eng'] | ['Berkooz, M'] | ['A Proposal on Some Microscopic Aspects of the AdS/CFT Duality'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, de Sitter', 'duality', 'gauge field theory, SU(N)', 'supersymmetry', 'membrane model, p-brane', 'p-brane, 3', 'membrane model, gas', 'dimension, 10'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807230'] | ['We suggest a model of the large N limit ${\\cal N}=4$ D=4 SU(N) SYM as a gas of 3-branes in a 10 dimensional space. Field theory analysis suggests that this 10 dimensional space does not carry the usual gravity dynamics but rather a contraction of it. Using a non-local transformation some aspects of the dynamics of t... | ['1998-07-31'] |
7,985 | ['eng'] | ['Lowe, D A'] | ['Eleven-Dimensional Lorentz Symmetry from SUSY Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'membrane model', 'supersymmetry, superfield', 'dimension, 11', 'invariance, Lorentz', 'gauge field theory, SU(N)', 'invariance, diffeomorphism'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807229'] | ['The supermembrane in light-cone gauge gives rise to a supersymmetric quantum mechanics system with SU(N) gauge symmetry when the group of area preserving diffeomorphisms is suitably regulated. de Wit, Marquard and Nicolai showed how eleven-dimensional Lorentz generators can be constructed from these degrees of freedo... | ['1998-07-31'] |
7,986 | ['eng'] | ['Niemi, Antti J', 'Virtanen, S'] | ['Stable membranes in gauge theories?'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'field equations', 'membrane model, stability', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807228'] | ['We argue that in certain gauge theories with Higgs fields the classical equations of motion admit stable solutions that describe closed finite energy membranes. Such membranes separate two disjoint vacua, one embedded in the other as a topologically nontrivial knot which stabilizes the membrane against shrinkage. As ... | ['1998-07-31'] |
7,987 | ['eng'] | ['Alvarez, Enrique', 'Gómez, C'] | ['Geometric Holography, the Renormalization Group and the c-Theorem'] | ['Particle Physics - Theory'] | ['field theory, de Sitter', 'field theory, conformal', 'invariance, diffeomorphism', 'differential geometry', 'renormalization group, c-function', 'renormalization group, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807226'] | ["In this paper the whole geometrical set-up giving a conformally invariant holographic projection of a diffeomorphism invariant bulk theory is clarified. By studying the renormalization group flow along null geodesic congruences a holographic version of Zamolodchikov's c-theorem is proven."] | ['1998-07-31'] |
7,988 | ['eng'] | ['Douglas, M R'] | ['Branes in the bulk of Anti-de Sitter space'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'gauge field theory, Yang-Mills', 'Higgs model', 'supersymmetry', 'effective action', 'perturbation theory, higher-order', 'membrane model, p-brane', 'p-brane, 3'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807225'] | ['We consider (3 + 1)-dimensional N=4 super Yang-Mills theory with a nonvanishing scalar Higgs vacuum expectation value, and compare this theory to AdS supergravity with branes in the bulk. We show that the one-loop effective potential for excitations of the Yang-Mills field agrees with the classical linearized potenti... | ['1998-07-30'] |
7,989 | ['eng'] | ['Kogan, I I', 'Soloviev, O A'] | ['Gravitationally dressed RG flows and zigzag-invariant strings'] | ['Particle Physics - Theory'] | ['fermion, string model', 'boson, string model', 'Wess-Zumino-Witten model', 'gravitation', 'dimension, 2', 'renormalization group', 'group theory, SL(2)', 'supersymmetry', 'coset space', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807223'] | ['We propose a world-sheet realization of the zigzag-invariant bosonic and fermionic strings as a perturbed Wess-Zumino-Novikov-Witten model at large negative level $k$ on a group manifold $G$ coupled to 2D gravity. In the large $k$ limit the zigzag symmetry can be obtained as a result of a self-consistent solution of ... | ['1998-07-30'] |
7,990 | ['eng'] | ['Csáki, C'] | ['The Confining N=1 Supersymmetric Gauge Theories'] | ['Particle Physics - Theory'] | ['talk, Minneapolis 1998/04/16', 'gauge field theory, SU(N)', 'supersymmetry', 'operator, composite', 'group theory, representation', 'constraint', 'moduli space, deformation', 'confinement'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807222'] | ['We give a classification and overview of the confining N=1 supersymmetric gauge theories. For simplicity we consider only theories based on simple gauge groups and no tree-level superpotential. Classification of these theories can be done according to whether or not there is a superpotential generated for the confine... | ['1998-07-30'] |
7,991 | ['eng'] | ['Salcedo, L L'] | ['Temperature dependence of the anomalous effective action of fermions in two and four dimensions'] | ['Particle Physics - Theory'] | ['fermion, field theory', 'gauge field theory', 'Wess-Zumino-Witten model', 'dimension, 2', 'dimension, 4', 'effective action', 'finite temperature, dependence', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807221'] | ['The temperature dependence of the anomalous sector of the effective action of fermions coupled to gauge and pseudo-scalar fields is computed at leading order in an expansion in the number of Lorentz indices in two and four dimensions. The calculation preserves chiral symmetry and in particular reproduces the known te... | ['1998-07-30'] |
7,992 | ['eng'] | ['Lima-Santos, A'] | ['Bethe Ansatze for Nineteen-vertex Models'] | ['Particle Physics - Theory'] | ['model, vertex', 'supersymmetry', 'symmetry, OSp(1/2)', 'boundary condition', 'wave function', 'transfer matrix', 'Bethe ansatz'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807219'] | ['The nineteen-vertex models of Zamolodchikov-Fateev, Izergin-Korepin and the supersymmetric osp(1|2) with periodic boundary conditions are studied. We find the spectrum of these quantum spin chains using the Coordinate Bethe Ansatz. The approche is a suitable parametrization of their wavefunctions. We also applied the... | ['1998-07-30'] |
7,993 | ['eng'] | ['García-Fuertes, W', 'Guilarte, J M'] | ['A Note on Dual Superconductivity and Confinement'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'soliton, BPS', 'vortex', 'approximation, strong coupling', 'confinement', 'model, superconducting'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807218'] | ['Electric self-dual vortices arising as BPS states in the strong coupling limit of N=2 supersymmetric Yang-Mills theory, softly broken to N=1, are reported.'] | ['1998-07-30'] |
7,994 | ['eng'] | ['Fosco, C D', 'López, A'] | ['Dirac Fermions and Domain Wall Defects in 2+1 Dimensions'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Chern-Simons term', 'dimension, 3', 'Hamiltonian formalism', 'fermion, mass spectrum', 'domain wall', 'fluctuation', 'topology, defect'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807217'] | ['We investigate some properties of a system of Dirac fermions in 2+1 dimensions, with a space dependent mass having domain wall like defects.These defects are defined by the loci of the points where the mass changes sign. In general, they will be curves lying on the spatial plane. We show how to treat the dynamics of ... | ['1998-07-30'] |
7,995 | ['eng'] | ['Bañados, M', 'Brotz, T', 'Ortiz, M'] | ['Quantum three-dimensional de Sitter space'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 3', 'gauge field theory, SU(2) x SU(2)', 'Chern-Simons term', 'space-time, de Sitter', 'field theory, Euclidean', 'partition function', 'Wess-Zumino-Witten model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807216'] | ['We compute the canonical partition function of 2+1 dimensional de Sitter space using the Euclidean $SU(2)\\times SU(2)$ Chern-Simons formulation of 3d gravity with a positive cosmological constant. Firstly, we point out that one can work with a Chern-Simons theory with level $k=l/4G$, and its representations are ther... | ['1998-07-30'] |
7,996 | ['eng'] | ['Dütsch, M', 'Fredenhagen, Klaus'] | ['Deformation stability of BRST-quantization'] | ['Particle Physics - Theory'] | ['talk, Lodz 1998/04/15', 'gauge field theory, Yang-Mills', 'axiomatic field theory', 'field theory, deformation', 'boundary condition', 'quantization, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807215'] | ['To avoid the problems which are connected with the long distance behavior of perturbative gauge theories we present a local construction of the observables which does not involve the adiabatic limit. First we construct the interacting fields as formal power series by means of causal perturbation theory. The observabl... | ['1998-07-30'] |
7,997 | ['eng'] | ['Vacaru, S I'] | ['Spinors and Field Interactions in Higher Order Anisotropic Spaces'] | ['Particle Physics - Theory'] | ['space-time', 'spinor', 'fibre bundle', 'algebra, Clifford', 'Dirac equation', 'field equations, Yang-Mills', 'Einstein equation', 'differential geometry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807214'] | ['We formulate the theory of field interactions with higher order anisotropy. The concepts of higher order anisotropic space and locally anisotropic space (in brief, ha-space and la-space) are introduced as general ones for various types of higher order extensions of Lagrange and Finsler geometry and higher dimension (... | ['1998-07-30'] |
7,998 | ['eng'] | ['Harvey, J A'] | ['String Duality and Non-supersymmetric Strings'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'astrophysics, fundamental constant', 'perturbation theory, higher-order', 'higher-order, 2', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807213'] | ['In recent work Kachru, Kumar and Silverstein introduced a special class of non-supersymmetric type II string theories in which the cosmological constant vanishes at the first two orders of perturbation theory. Heuristic arguments suggest the cosmological constant may vanish in these theories to all orders in perturba... | ['1998-07-29'] |
7,999 | ['eng'] | ['Barnich, G'] | ['On the quantum Batalin-Vilkovisky formalism and the renormalization of non linear symmetries'] | ['Particle Physics - Theory'] | ['quantization, Batalin-Vilkovisky', 'Hamiltonian formalism', 'constraint', 'gauge field theory, Yang-Mills', 'cohomology, Becchi-Rouet-Stora', 'perturbation theory, higher-order', 'higher-order, 2', 'field theory, deformation', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9807210'] | ["The most convenient tool to study the renormalization of a Lagrangian field theory invariant under non linear local or global symmetries is the proper solution to the master equation of the extended anti-field formalism. It is shown that, from the knowledge of the BRST cohomology, it is possible to explicitly constru... | ['1998-07-29'] |
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