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 |
|---|---|---|---|---|---|---|---|---|
3,300 | ['eng'] | ['Ford, C', 'Pawlowski, J M', 'Tok, T', 'Wipf, A'] | ['ADHM construction of instantons on the torus'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'space-time, torus', 'any-dimensional', 'instanton', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005221'] | ['We apply the ADHM instanton construction to SU(2) gauge theory on T^n x R^{4-n} for n=1,2,3,4. To do this we regard instantons on T^n x R^{4-n} as periodic (modulo gauge transformations) instantons on R^4. Since the R^4 topological charge of such instantons is infinite the ADHM algebra takes place on an infinite dime... | ['2000-05-25'] |
3,301 | ['eng'] | ['Billó, M', 'Fabbri, D', 'Fré, P', 'Merlatti, P', 'Zaffaroni, A'] | ['Shadow multiplets in $AdS_{4}/CFT_{3}$ and the super-Higgs mechanism'] | ['Particle Physics - Theory'] | ['M-theory', 'dimension, 11', 'spontaneous compactification', 'field theory, anti-de Sitter', 'field theory, conformal', 'dimension, 3', 'supersymmetry', 'symmetry, spontaneously broken', 'particle, multiplet', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005220'] | ['We discuss a general pairing that occurs in compactifications of M-theory on AdS_4 x X^7 backgrounds between massless ultra short multiplets and their massive shadows, namely certain universal long multiplets with fixed protected dimensions. In particular we consider the shadow of the short graviton multiplet in N=3 ... | ['2000-05-25'] |
3,302 | ['eng'] | ['Billó, M', 'Fabbri, D', 'Fré, P', 'Merlatti, P', 'Zaffaroni, A'] | ['Rings of short N = 3 superfields in three dimensions and M-theory on $AdS_{4} x N^{0,1,0}$'] | ['Particle Physics - Theory'] | ['M-theory', 'space-time, anti-de Sitter', 'field theory, conformal', 'dimension, 3', 'gauge field theory, SU(N) x SU(N)', 'supersymmetry, OSp(3,4)', 'superfield', 'spontaneous compactification', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005219'] | ['In this paper we investigate three-dimensional superconformal gauge theories with N=3 supersymmetry. Independently from specific models, we derive the shortening conditions for unitary representations of the Osp(3|4) superalgebra and we express them in terms of differential constraints on three dimensional N=3 superf... | ['2000-05-25'] |
3,303 | ['eng'] | ['Takahashi, H', 'Ogura, A'] | ['A New Current Reguralization of Thirring Model'] | ['Particle Physics - Theory'] | ['Thirring model', 'dimension, 2', 'operator product expansion', 'current, regularization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005218'] | ["We study an ambiguity of the current regularization in the Thirring model. We find a new current definition which enables to make a comprehensive treatment of the current. Our formulation is simpler than Klaiber's formulation. We compare our result with other formulations and find a very good agreement with their res... | ['2000-05-25'] |
3,304 | ['eng'] | ['Kakushadze, Z'] | ['Localized (Super)Gravity and Cosmological Constant'] | ['Particle Physics - Theory'] | ['gravitation', 'supergravity', 'astrophysics, fundamental constant', 'domain wall', 'field theory, scalar', 'symmetry, spontaneously broken', 'membrane model', 'spinor, Killing', 'potential'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005217'] | ["We consider localization of gravity in domain wall solutions of Einstein's gravity coupled to a scalar field with a generic potential. We discuss conditions on the scalar potential such that domain wall solutions are non-singular. Such solutions even exist for appropriate potentials which have no minima at all and ar... | ['2000-05-25'] |
3,305 | ['eng'] | ['Chruscinski, D'] | ['Strong field limit of the Born-Infeld p-form electrodynamics'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'differential forms', 'approximation, strong field', 'Hamiltonian formalism', 'model, fluid', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005215'] | ['We study the strong field limit of p-form Born-Infeld theory. It turns out that this limiting theory is a unique theory displaying the full symmetry group of the underlying canonical structure. Moreover, being a nonlinear theory, it possesses an infinite hierarchy of conservation laws.'] | ['2000-05-25'] |
3,306 | ['eng'] | ['Mansur, L R', 'Nogueira, A L M A', 'Dos Santos, M A'] | ['An Extended Abelian Chern-Simons Model and the Symplectic Projector Method'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 4', 'Chern-Simons term', 'dimension, 3', 'Hamiltonian formalism, symplectic', 'constraint, solution', 'supersymmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005214'] | ['The Symplectic Projector Method is applied to discuss quantisation aspects of an extended Abelian model with a mixed Chern-Simons term. We focus on a field content that spans an N=2-D=3 supersymmetric theory whenever fermions are suitably coupled to the family of gauge potentials.'] | ['2000-05-25'] |
3,307 | ['eng'] | ['Grena, R', 'Lelli, S', 'Maggiore, Michele', 'Rissone, A'] | ['Confinement, asymptotic freedom and renormalons in type 0 string duals'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'field theory, scalar', 'duality', 'string model', 'asymptotic behavior', 'confinement', 'renormalization group, transformation', 'perturbation theory, higher-order', 'analytic properties', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005213'] | ['Type 0B string theory has been proposed as the dual description of non-supersymmetric SU(N) Yang-Mills theory coupled to six scalars, in four dimensions. We study numerically and analytically the equations of motion of type 0B gravity and we find RG trajectories of the dual theory that flow from an asymptotically fre... | ['2000-05-24'] |
3,308 | ['eng'] | ['Alexander, S', 'Brandenberger, R H', 'Easson, D A'] | ['Brane Gases in the Early Universe'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'gas', 'astrophysics, string', 'duality, T-duality', 'space-time, singularity', 'domain wall'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005212'] | ['Over the past decade it has become clear that fundamental strings are not the only fundamental degrees of freedom in string theory. D-branes are also part of the spectrum of fundamental states. In this paper we explore some possible effects of D-branes on early Universe string cosmology, starting with two key assumpt... | ['2000-05-24'] |
3,309 | ['eng'] | ['Das-Gupta, T', 'Gaberdiel, M R', 'Green, M B'] | ['The Type I D-instanton and its M-theory Origin'] | ['Particle Physics - Theory'] | ['M-theory', 'string model, heterotic', 'gauge field theory, E(8) x E(8)', 'symmetry breaking, Wilson loop', 'spontaneous compactification', 'spinor, SO(16)', 'scattering amplitude, higher-order', 'duality', 'particle, relativistic', 'Kaluza-Klein model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005211'] | ['The tree-level amplitude for the scattering of two gauge particles constrained to move on the two distinct boundaries of eleven-dimensional space-time in the Horava-Witten formulation of M-theory is constructed. At low momenta this reproduces the corresponding tree-level scattering amplitude of the E_8xE_8 heterotic ... | ['2000-05-24'] |
3,310 | ['eng'] | ['Castellani, L'] | ['Noncommutative geometry and physics'] | ['Particle Physics - Theory'] | ['lectures, Torino 2000/01/26', 'M-theory', 'string model, open', 'gauge field theory, Yang-Mills', 'Kaluza-Klein model', 'quantization, deformation', 'group theory, finite', 'differential forms', 'differential geometry, noncommutative', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005210'] | ['This review is based on two lectures given at the 2000 TMR school in Torino. We discuss two main themes: i) Moyal-type deformations of gauge theories, as emerging from M-theory and open string theories, and ii) the noncommutative geometry of finite groups, with the explicit example of Z_2, and its application to Kalu... | ['2000-05-24'] |
3,311 | ['eng'] | ['Martín, J', 'Brandenberger, R H'] | ['The Trans-Planckian Problem of Inflationary Cosmology'] | ['Particle Physics - Theory'] | ['inflationary universe', 'fluctuation, spectra', 'field theory, scalar', 'dispersion relations', 'energy, density', 'quantization', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005209'] | ['In most current models of inflation based on a weakly self-coupled scalar matter field minimally coupled to gravity, the period of inflation lasts so long that, at the beginning of the inflationary period, the physical wavelengths of comoving scales which correspond to the present large-scale structure of the Univers... | ['2000-05-24'] |
3,312 | ['eng'] | ['Armoni, Adi'] | ['Comments on Perturbative Dynamics of Non-Commutative Yang-Mills Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(N)', 'differential geometry, noncommutative', 'gluon, propagator', 'vertex function, (3gluon)', 'perturbation theory, higher-order', 'renormalization', 'invariance, gauge'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005208'] | ['We study the U(N) non-commutative Yang-Mills theory at the one-loop approximation. We check renormalizability and gauge invariance of the model and calculate the one-loop beta function. The interaction of the SU(N) gauge bosons with the U(1) gauge boson plays an important role in the consistency check. In particular,... | ['2000-05-24'] |
3,313 | ['eng'] | ['Park, D K', 'Müller-Kirsten, H J W', 'Liang, J Q', 'Shurgaia, A V'] | ['Instanton-Sphaleron transition in the d = 2 Abelian-Higgs model on a Circle'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'Higgs model', 'dimension, 2', 'space, S(1)', 'instanton', 'sphaleron', 'baryon number, violation', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005207'] | ['The transition from the instanton-dominated quantum regime to the sphaleron-dominated classical regime is studied in the $d=2$ abelian-Higgs model when the spatial coordinate is compactified to $S^1$. Contrary to the noncompactified case, this model allows both sharp first-order and smooth second-order transitions de... | ['2000-05-24'] |
3,314 | ['eng'] | ['Myung, Y S', 'Kang, G'] | ['Stability of the GRS Model'] | ['Particle Physics - Theory'] | ['space-time, stability', 'dimension, 5', 'Einstein equation, solution', 'fluctuation', 'energy', 'Kaluza-Klein model', 'tachyon', 'ghost'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005206'] | ['We discuss the compatibility between the weaker energy condition and the stability of Gregory, Rubakov and Sibiryakov (GRS) model. Because the GRS spacetime violates the weak energy condition, it may cause the instability. In the GRS model, the four dimensional gravity can be described by the massive KK modes with th... | ['2000-05-24'] |
3,315 | ['eng'] | ['Kim, E', 'Kim, H', 'Lee, C Y'] | ['Matrix Theory Compactification on Noncommutative $T^4/Z_2$'] | ['Particle Physics - Theory'] | ['matrix model', 'spontaneous compactification', 'differential geometry, noncommutative', 'space-time, T(4)', 'orbifold, Z(2)', 'mathematical methods'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005205'] | ["In this paper, we construct a module on a $Z_2$-orbifold of noncommutative $T^4$. First, we explicitly construct a module on noncommutative $T^4$ following Rieffel's method. Then, applying the appropriate quotient conditions for its $Z_2$ orbifold, we find a Connes-Douglas-Schwarz type solution of matrix theory compa... | ['2000-05-23'] |
3,316 | ['eng'] | ['Gross, David J', 'Nekrasov, N A'] | ['Monopoles and Strings in Noncommutative Gauge Theory'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'gauge field theory, U(1)', 'field equations, solution', 'magnetic monopole', 'mass', 'string tension', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'field theory, tensor', 'field strength, constant'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005204'] | ['We study some non-perturbative aspects of noncommutative gauge theories. We find analytic solutions of the equations of motion, for noncommutative U(1) gauge theory, that describe magnetic monopoles with a finite tension string attached. These solutions are non-singular, finite and sourceless. We identify the string ... | ['2000-05-23'] |
3,317 | ['eng'] | ['Gaete, P'] | ['Note on the dual BRST Symmetry in U(1) Gauge Theory'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'invariance, Becchi-Rouet-Stora', 'duality', 'dependence, gauge', 'path integral', 'dimension, 2', 'effective action', 'Lagrangian formalism', 'Hamiltonian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005203'] | ['We analyze the relation between the Lagrangian and Hamiltonian BRST symmetry generators for a recently proposed two-dimensional symmetry. In particular it is shown that this symmetry may be obtained from a canonical transformation in the ghost sector in a gauge independent way.'] | ['2000-05-23'] |
3,318 | ['eng'] | ['Husain, T Z', 'Zabzine, M'] | ['Bosonic Open Strings in a Tachyonic Background Field'] | ['Particle Physics - Theory'] | ['string model, boson', 'string, open', 'tachyon, background field', 'boundary condition', 'symmetry breaking, conformal', 'algebra, Virasoro', 'membrane model, D-brane', 'membrane model, p-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005202'] | ['We study the bosonic open string coupled to a tachyon background field $T[X]$. Since the field couples to the boundary rather than the bulk, we argue that it is perfectly consistent to perturb around maxima as well as minima of $T[X]$. We find that the tachyon field can effectively be replaced by a configuration of D... | ['2000-05-23'] |
3,319 | ['eng'] | ['McKenzie-Smith, J J', 'Toms, David J'] | ['Zero-point energies and the multiplicative anomaly'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'finite temperature', 'potential, chemical', 'effective action', 'operator, determinant', 'regularization, zeta function', 'anomaly'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005201'] | ['For the case of a relativistic scalar field at finite temperature with a chemical potential, we calculate an exact expression for the one-loop effective action using the full fourth order determinant and zeta-function regularisation. We find that it agrees with the exact expression for the factored operator and thus ... | ['2000-05-23'] |
3,320 | ['eng'] | ['Dragovich, B'] | ['On Adelic Strings'] | ['Particle Physics - Theory'] | ['string model', 'number theory', 'scattering amplitude', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005200'] | ["New approach to p-adic and adelic strings, which takes into account that not only world sheet but also Minkowski space-time and string momenta can be p-adic and adelic, is formulated. p-Adic and adelic string amplitudes are considered within Feynman's path integral formalism. The adelic Veneziano amplitude is calcula... | ['2000-05-23'] |
3,321 | ['eng'] | ['Gregori, A'] | ['Weak Scale in Heterotic String'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'duality', 'membrane model', 'coupling constant, dependence', 'gauge field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005198'] | ['We investigate the possibility of lowering the string scale in four dimensional heterotic models possessing a non-perturbative extension of the gauge group. We find that at the strong coupling it is possible to have an arbitrarily low string scale, together with a normal value of the "Standard Model" gauge coupling. ... | ['2000-05-23'] |
3,322 | ['eng'] | ['Nojiri, S', 'Odintsov, S D', 'Ogushi, S'] | ['Holographic conformal anomaly with bulk scalars potential from d3 and d5 gauged supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'gauge field theory', 'dimension, 5', 'dimension, 3', 'potential, scalar', 'anomaly, conformal', 'holography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005197'] | ['d3 and d5 maximally SUSY gauged supergravity is considered in the parametrization (flow) of full scalar coset where kinetic term for scalars takes the standard field theory form and bulk potential is an arbitrary one subject to consistent parametrization. From such SG duals we calculate d2 and d4 holographic conforma... | ['2000-05-23'] |
3,323 | ['eng'] | ['Yang, J'] | ['A new kind of constraints on renormalization schemes'] | ['Particle Physics - Theory'] | ['quantum electrodynamics', 'perturbation theory, higher-order', 'renormalization, dependence', 'vertex function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005195'] | ['We derive a new kind of physical constraints on the subtraction schemes for theories with massive particles in addition to the Ward identities for gauge symmetries. The momentum subtraction scheme fails this criterion. The decoupling of heavy fields is discussed in the context of Callan-Symanzik equations where all s... | ['2000-05-23'] |
3,324 | ['eng'] | ['Takasaki, K'] | ['Anti-self-dual Yang-Mills equations on noncommutative spacetime'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'differential geometry, noncommutative', 'field equations, instanton', 'duality', 'twistor', 'integrability', 'fibre bundle'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005194'] | ["By replacing the ordinary product with the so called $\\star$-product, one can construct an analogue of the anti-self-dual Yang-Mills (ASDYM) equations on the noncommutative $\\bbR^4$. Many properties of the ordinary ASDYM equations turn out to be inherited by the $\\star$-product ASDYM equation. In particular, the t... | ['2000-05-23'] |
3,325 | ['eng'] | ['Shtanov, Yu V'] | ['On Brane-World Cosmology'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'membrane model', 'dimension, 5', 'field equations', 'energy, density'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005193'] | ['In the study of three-brane cosmological models, an unusual law of cosmological expansion on the brane has been reported. According to this law, the energy density of matter on the brane quadratically enters the right-hand side of the new equations for the brane world, in contrast with the standard cosmology, where i... | ['2000-05-23'] |
3,326 | ['eng'] | ['Chalmers, G', 'Erdmenger, J'] | ['Dual expansions of N = 4 super Yang-Mills theory via IIB superstring theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'duality', 'holography', 'correlation function', 'n-point function, 4', 'Feynman graph, planar', 'analytic properties', 'expansion, strong coupling', 'quantization', 'background field', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005192'] | ['We examine the dual correspondence between holographic IIB superstring theory and N=4 super Yang-Mills theory at finite values of the coupling constants. In particular we analyze a field theory strong-coupling expansion which is the S-dual of the planar expansion. This expansion arises naturally as the AdS/CFT dual o... | ['2000-05-23'] |
3,327 | ['eng'] | ['Just, K', 'Thevenot, J'] | ['Pauli Terms Must Be Absent In Dirac Equation'] | ['Particle Physics - Theory'] | ['Dirac equation', 'algebra, Clifford', 'gauge field theory', 'differential equations, linear'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005191'] | ["It should be of interest, whether Dirac's equation involves all 16 basis elements of his Clifford algebra $Cl_D.$ These include the 6 `tensorial' $\\sigma^{\\mu\\nu}$ with which the `Pauli terms' are formed. We find that these violate a basic axiom of any *-algebra, when Dirac's $\\Psi$ is canonical. Then the Dirac o... | ['2000-05-23'] |
3,328 | ['eng'] | ['Kostov, Ivan K'] | ['Exact Solution of the Three-color Problem on a Random Lattice'] | ['Particle Physics - Theory'] | ['random lattice', 'matrix model, random', 'graph theory, planar', 'quantum gravity', 'dimension, 2', 'saddle-point approximation', 'critical phenomena', 'energy', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005190'] | ["We present the exact solution of the Baxter's three-color problem on a random planar graph, using the random-matrix formulation of the problem, given by B. Eynard and C. Kristjansen. We find that the number of three-coloring of an infinite random graph is 0.9843 per vertex."] | ['2000-05-23'] |
3,329 | ['eng'] | ['Toms, David J'] | ['Quantised bulk fields in the Randall-Sundrum compactification model'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'field theory, scalar', 'quantization', 'Kaluza-Klein model', 'energy, density', 'energy, vacuum state', 'renormalization', 'vacuum polarization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005189'] | ['The quantisation of a scalar field in the five-dimensional model suggested by Randall and Sundrum is considered. Using the Kaluza-Klein reduction of the scalar field, discussed by Goldberger and Wise, we sum the infinite tower of modes to find the vacuum energy density. Dimensional regularisation is used and we compu... | ['2000-05-23'] |
3,330 | ['eng'] | ['Sonoda, H'] | ['Chiral QED out of matter'] | ['Particle Physics - Theory'] | ['quantum electrodynamics, chiral', 'matter', 'expansion 1/N', 'anomaly, chiral', 'renormalization group', 'effect, Higgs', 'fermion, mass generation', 'model, Yukawa', 'Jona-Lasinio-Nambu model', 'n-point function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005188'] | ['In a previous paper we have shown how the Wilsonian renormalization group naturally leads to the equivalence of the standard QED with a matter-only theory. In this paper we give an improved explanation of the equivalence and discuss, as an example, the equivalence of a chiral QED in the Higgs phase with a matter-only... | ['2000-05-23'] |
3,331 | ['eng'] | ['Halpern, M B', 'Wang, J E'] | ['More About All Current-Algebraic Orbifolds'] | ['Particle Physics - Theory'] | ['orbifold', 'field theory, conformal', 'correlation function', 'duality, transformation', 'coset space', 'current algebra', 'algebra, Virasoro', 'group theory, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005187'] | ['Recently a construction was given for the stress tensors of all sectors of the general current-algebraic orbifold A(H)/H, where A(H) is any current-algebraic conformal field theory with a finite symmetry group H. Here we extend and further analyze this construction to obtain the mode formulation of each sector of eac... | ['2000-05-23'] |
3,332 | ['eng'] | ['Tong, D'] | ['Dynamics of N = 2 Supersymmetric Chern-Simons Theories'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'nonabelian', 'field theory, scalar', 'dimension, 3', 'supersymmetry, dynamically broken', 'space, CP(2)'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005186'] | ['We discuss several aspects of three dimensional N=2 supersymmetric gauge theories coupled to chiral multiplets. The generation of Chern-Simons couplings at low-energies results in novel behaviour including compact Coulomb branches and interesting patterns of dynamical supersymmetry breaking. We further show how, give... | ['2000-05-22'] |
3,333 | ['eng'] | ['Behrndt, K'] | ['A non-singular infra-red flow from D = 5 gauged supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 5', 'domain wall, BPS', 'coset space, SU(2,1)/U(2)', 'astrophysics, fundamental constant', 'M-theory, embedding'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005185'] | ['We discuss domain wall solutions of 5-dimensional supergravity corresponding to a cosine-superpotential, which is derived by a gauging of the two Abelian isometries of the scalar coset SU(2,1)/U(2). We argue that this potential can be obtained from M-theory compactification in the presence of G-fluxes and an M5-brane... | ['2000-05-22'] |
3,334 | ['eng'] | ['Nieto, J A', 'Alejo-Armenta, L N'] | ['Hurwitz Theorem and Parallelizable Spheres from Tensor Analysis'] | ['Particle Physics - Theory'] | ['algebra, quaternion', 'algebra, octonion', 'analytic properties', 'space, S(1)', 'space, S(3)', 'space, S(7)', 'torsion', 'transformation, Hopf', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005184'] | ['By using tensor analysis we give an alternative proof of Hurwitz theorem. In contrast to the doubling procedure and Clifford algebra mechanism, our proof is entirely based in tensor algebra applied to the normed algebra condition. From the tersor analysis point of view our proof is straightforward and short. Moreover... | ['2000-05-22'] |
3,335 | ['eng'] | ['Maldacena, J M', 'Ooguri, H', 'Son, J'] | ['Strings in $AdS_{3}$ and the SL(2,R) WZW Model; 2, Euclidean Black Hole'] | ['Particle Physics - Theory'] | ['string model', 'space-time, anti-de Sitter', 'dimension, 3', 'Wess-Zumino-Witten model, SL(2,R)', 'black hole, Euclidean', 'partition function', 'invariance, modular', 'boundary condition', 'field theory, conformal', 'energy spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005183'] | ['We consider the one-loop partition function for Euclidean BTZ black hole backgrounds or equivalently thermal AdS_3 backgrounds which are quotients of H_3 (Euclidean AdS_3). The one-loop partition function is modular invariant and we can read off the spectrum which is consistent to that found in hep-th/0001053. We see... | ['2000-05-22'] |
3,336 | ['eng'] | ['Arutyunov, G E', 'Frolov, S', 'Petkou, Anastasios C'] | ['Operator Product Expansion of the Lowest Weight CPOs in N=4 $SYM_{4}$ at Strong Coupling'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'supersymmetry', 'n-point function, 4', 'operator product expansion', 'operator, algebra', 'algebra, representation', 'scaling, violation', 'field theory, conformal', 'dimension, 2', 'R parity', 'current, conservation law', 'tensor, energy-momentum', 'partial wave analysis', 'analytic prop... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005182'] | ['We present a detailed analysis of the 4-point functions of the lowest weight chiral primary operators O^I \\sim \\tr \\phi^{(i}\\phi^{j)} in N =4 SYM_4 at strong coupling and show that their structure is compatible with the predictions of AdS/CFT correspondence. In particular, all power-singular terms in the 4-point ... | ['2000-05-22'] |
3,337 | ['eng'] | ['Zamolodchikov, A B'] | ['On the Thermodynamic Bethe Ansatz Equation in Sinh-Gordon Model'] | ['Particle Physics - Theory'] | ['sinh-Gordon equation', 'dimension, 2', 'thermodynamics, Bethe ansatz', 'analytic properties', 'field theory, conformal', 'field equations, Liouville', 'asymptotic behavior', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005181'] | ['Two implicit periodic structures in the solution of sinh-Gordon thermodynamic Bethe ansatz equation are considered. The analytic structure of the solution as a function of complex $\\theta$ is studied to some extent both analytically and numerically. The results make a hint how the CFT integrable structures can be re... | ['2000-05-22'] |
3,338 | ['eng'] | ['Vafa, C'] | ['Unifying Themes in Topological Field Theories'] | ['Particle Physics - Theory'] | ['talk, Cambridge 1999/05', 'field theory, topological', 'dimension, 2-4', 'sigma model, nonlinear', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'knot theory', 'Donaldson theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005180'] | ['We discuss unifying features of topological field theories in 2, 3 and 4 dimensions. This includes relations among enumerative geometry (2d topological field theory) link invariants (3d Chern-Simons theory) and Donaldson invariants (4d topological theory).'] | ['2000-05-22'] |
3,339 | ['eng'] | ['Cadoni, M', 'Cavaglià, M'] | ['Two-dimensional black holes as open strings'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'gravitation', 'field theory, dilaton', 'dimension, 2', 'string model, open', 'black hole', 'duality', 'thermodynamics', 'energy levels', 'entropy', 'boundary condition'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005179'] | ['Two-dimensional dilaton gravity on Anti-de Sitter space is shown to be dual to an open string. Neumann and Dirichlet boundary conditions for the string lead to two different realizations of the Anti-de Sitter/Conformal Field Theory correspondence. In particular, in the Dirichlet case the thermodynamical entropy of tw... | ['2000-05-22'] |
3,340 | ['eng'] | ['Imai, S', 'Sasakura, N'] | ['Scalar field theories in a Lorentz-invariant three-dimensional noncommutative space-time'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'dimension, 3', 'differential geometry, noncommutative', 'invariance, Lorentz', 'violation, momentum', 'perturbation theory, higher-order', 'thermodynamics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005178'] | ['We discuss scalar quantum field theories in a Lorentz-invariant three-dimensional noncommutative space-time. We first analyze the one-loop diagrams of the two-point functions, and show that the non-planar diagrams are finite and have infrared singularities from the UV/IR mixing. The scalar quantum field theories have... | ['2000-05-22'] |
3,341 | ['eng'] | ['Levin, R Y', 'Dannon, V'] | ['Entangled Simultaneous Measurement and Elementary Particle Representations'] | ['Particle Physics - Theory'] | ['quantum mechanics, relativistic', 'quantum mechanics, measurement', 'entanglement', 'fermion, multiplet', 'algebra, Poincare', 'family', 'lattice, von Neumann'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005177'] | ['We propose that the principles of relativistic quantum mechanics are incomplete for simultaneous measurement of non-commuting operators. Consistent joint measurement of incompatible observables at a single point in space-time requires that the system be in an entangled state with vacuum meters. We suggest that entagl... | ['2000-05-22'] |
3,342 | ['eng'] | ['Zhang, Y'] | ['A Note on the Path Integral Representation of the Boundary State'] | ['Particle Physics - Theory'] | ['string model, boson', 'phase space, boundary condition', 'path integral', 'gauge field theory, U(1)', 'dilaton, background', 'tachyon, background'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005176'] | ['In this note we give some examples of the path integral representation of the boundary state in some special backgrounds such as the U(1) gauge field background,the linear dilaton background and the tachyon background.'] | ['2000-05-22'] |
3,343 | ['eng'] | ['Nittoh, K'] | ['A Note on the Quadratic Divergence in Hybrid Regularization'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'field theory, Euclidean', 'field theory, action', 'ghost', 'path integral', 'perturbation theory, higher-order', 'regularization, Pauli-Villars'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005175'] | ['We consider the quadratic divergence of the Yang-Mills theory when we use the hybrid regularization method consisting of the higher covariant derivative terms and the Pauli-Villars fields. By the explicit calculation of the diagrams, we show that the higher derivative terms for the ghost fields are necessary for the ... | ['2000-05-22'] |
3,344 | ['eng'] | ['Konechny, A', 'Schwarz, A'] | ['Moduli spaces of maximally supersymmetric solutions on noncommutative tori and noncommutative orbifolds'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'differential geometry, noncommutative', 'field theory, torus', 'orbifold', 'moduli space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005174'] | ['A maximally supersymmetric configuration of super Yang-Mills living on a noncommutative torus corresponds to a constant curvature connection. On a noncommutative toroidal orbifold there is an additional constraint that the connection be equivariant. We study moduli spaces of (equivariant) constant curvature connectio... | ['2000-05-22'] |
3,345 | ['eng'] | ['Polyakov, A M', 'Rychkov, V S'] | ['Loop dynamics and AdS/CFT correspondence'] | ['Particle Physics - Theory'] | ['field theory, anti-de Sitter', 'field theory, conformal', 'Dyson-Schwinger equation', 'string model', 'gauge field theory', 'loop space', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005173'] | ['We consider the strong coupling limit of conformal gauge theories in 4 dimensions. The action of the loop operator on the minimal area in the AdS space is analyzed, and the Schwinger-Dyson equations of gauge theory are checked. The general approach to the loop dynamics developed here goes beyond the special case of c... | ['2000-05-19'] |
3,346 | ['eng'] | ['Hoxha, P', 'Martínez-Acosta, R R', 'Pope, C N'] | ['Kaluza-Klein Consistency, Killing Vectors and Kähler Spaces'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 11', 'Kaluza-Klein model', 'dimensional reduction', 'space, S(N)', 'field theory, tensor', 'differential forms, 5', 'fibre bundle, U(1)', 'gauge field theory, Yang-Mills'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005172'] | ["We make a detailed investigation of all spaces Q_{n_1... n_N}^{q_1... q_N} of the form of U(1) bundles over arbitrary products \\prod_i CP^{n_i} of complex projective spaces, with arbitrary winding numbers q_i over each factor in the base. Special cases, including Q_{11}^{11} (sometimes known as T^{11}), Q_{111}^{111... | ['2000-05-19'] |
3,347 | ['eng'] | ['De Lorenci, V A', 'De Paola, R D M', 'Svaiter, N F'] | ['The rotating detector and vacuum fluctuations'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'massless', 'quantization', 'Klein-Gordon equation', 'Bogolyubov transformation', 'vacuum state', 'field theory, measurement'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005171'] | ['In this work we compare the quantization of a massless scalar field in an inertial frame with the quantization in a rotating frame. We used the Trocheries-Takeno mapping to relate measurements in the inertial and the rotating frames. An exact solution of the Klein-Gordon equation in the rotating coordinate system is ... | ['2000-05-19'] |
3,348 | ['eng'] | ['Ahn, C', 'Nepomechie, R I'] | ['Exact solution of the supersymmetric sinh-Gordon model with boundary'] | ['Particle Physics - Theory'] | ['sinh-Gordon equation, solution', 'supersymmetry', 'thermodynamics, Bethe ansatz', 'entropy', 'transfer matrix', 'boundary condition', 'S-matrix', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005170'] | ['The boundary supersymmetric sinh-Gordon model is an integrable quantum field theory in 1+1 dimensions with bulk N=1 supersymmetry, whose bulk and boundary S matrices are not diagonal. We present an exact solution of this model. In particular, we derive an exact inversion identity and the corresponding thermodynamic B... | ['2000-05-19'] |
3,349 | ['eng'] | ['Satoh, Y'] | ['On string theory in $AdS_{3}$ backgrounds'] | ['Particle Physics - Theory'] | ['talk, Kyoto 1999/10/27', 'space-time, anti-de Sitter', 'dimension, 3', 'string model', 'Wess-Zumino-Witten model, SL(2,R)', 'tensor, energy-momentum', 'current, correlation function', 'invariance, modular', 'ghost', 'path integral', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005169'] | ['We discuss the string theory on AdS_3. In the first half of this talk, we review the SL(2,R) and the SL(2,C)/SU(2) WZW models which describe the strings on the Lorentzian and Euclidean AdS_3 without RR backgrounds, respectively. An emphasis is put on the fundamental issues such as the unitarity, the modular invarianc... | ['2000-05-19'] |
3,350 | ['eng'] | ['Günaydin, M'] | ['AdS/CFT Dualities and the Unitary Representations of Non-compact Groups and Supergroups'] | ['Particle Physics - Theory'] | ['talk, Istanbul 1999/08/16', 'field theory, anti-de Sitter', 'field theory, conformal', 'group theory, noncompact', 'group theory, representation', 'group theory, Lorentz', 'group theory, conformal', 'twistor', 'supersymmetry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005168'] | ['I review the relationship between AdS/CFT (anti-de Sitter / conformal field theory) dualities and the general theory of positive energy unitary representations of non-compact space-time groups and supergroups. I show, in particular, how one can go from the manifestly unitary compact basis of the lowest weight (positi... | ['2000-05-19'] |
3,351 | ['eng'] | ['Chaichian, Masud', 'Gogberashvili, Merab', 'Kobakhidze, A B'] | ['High-dimensional sources for the four-dimensional gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'dimension, 5', 'dimension, 4', 'matter', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005167'] | ['We argue that a certain distribution of matter in higher dimensions can provide the correct behaviour of gravity in four dimensions. Some explicit examples illustrating the idea are considered.'] | ['2000-05-19'] |
3,352 | ['eng'] | ['Sarkar, T'] | ['D-brane gauge theories from toric singularities of the form $C^{3}/\\Gamma$ and $C^{4}/\\Gamma$'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'geometry, algebra', 'orbifold', 'group theory, representation', 'singularity'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005166'] | ['We discuss examples of D-branes probing toric singularities, and the computation of their world-volume gauge theories from the geometric data of the singularities. We consider several such examples of D-branes on partial resolutions of the orbifolds ${\\bf C^3/Z_2\\times Z_2}$,${\\bf C^3/Z_2\\times Z_3}$ and ${\\bf C... | ['2000-05-19'] |
3,353 | ['eng'] | ['Park, D K', 'Tamaryan, S N', 'Müller-Kirsten, H J W', 'Zhang, J'] | ['D-Branes and their Absorptivity in Born-Infeld Theory'] | ['Particle Physics - Theory'] | ['Born-Infeld model, abelian', 'any-dimensional', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 3', 'fluctuation', 'Regge poles', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005165'] | ['Standard methods of nonlinear dynamics are used to investigate the stability of particles, branes and D-branes of abelian Born-Infeld theory. In particular the equation of small fluctuations about the D-brane is derived and converted into a modified Mathieu equation and - complementing earlier low-energy investigatio... | ['2000-05-19'] |
3,354 | ['eng'] | ['Hashiba, J', 'Hosomichi, K', 'Terashima, S'] | ['String Junctions in B Field Background'] | ['Particle Physics - Theory'] | ['F-theory', 'field theory, tensor', 'background field', 'string model', 'supersymmetry', 'string, interaction', 'duality', 'membrane model, p-brane'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005164'] | ['It has been recently shown that F-theory on K3 with background B fields (NSNS and RR 2-forms) is dual to the CHL string in 8 dimensions. In this paper, we reexamine this duality in terms of string junctions in type IIB string theory. It is in particular stressed that certain 7-brane configurations produce Sp gauge gr... | ['2000-05-19'] |
3,355 | ['eng'] | ['Bena, I', 'Nudelman, A L'] | ['Warping and vacua of $(S)YM_{3+1}$'] | ['Particle Physics - Theory'] | ['space-time', 'field theory, anti-de Sitter', 'field theory, conformal', 'duality', 'gauge field theory, Yang-Mills', 'supersymmetry, symmetry breaking', 'dimension, 3', 'duality', 'vacuum state', 'fermion, mass spectrum', 'membrane model', 'confinement'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005163'] | ['We use dielectric branes to find non singular string theory duals of a perturbed 2+1 dimensional gauge theory living on D2 branes. By adding fermion masses we obtain theories with reduced supersymmetry. The Higgs vacua of the perturbed theory correspond to polarization of the D2 branes into D4 branes. The confining v... | ['2000-05-18'] |
3,356 | ['eng'] | ['Berglund, P', 'Hübsch, T', 'Minic, D'] | ['Exponential Hierarchy From Spacetime Variable String Vacua'] | ['Particle Physics - Theory'] | ['string model', 'spontaneous compactification', 'vacuum state', 'effective action', 'any-dimensional', 'moduli space, Calabi-Yau', 'potential, Kaehler', 'hierarchy', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005162'] | ['It is shown that non-supersymmetric spacetime varying string vacua can lead to an exponential hierarchy between the electroweak and the gravitational scales. The hierarchy is naturally generated by a string coupling of O(1).'] | ['2000-05-18'] |
3,357 | ['eng'] | ['Baseilhac, P'] | ['Short and long distance behaviour of two point correlation functions in integrable coupled minimal models'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'field theory, affine', 'field theory, Toda', 'integrability', 'correlation function', 'short-distance behavior', 'operator, algebra', 'commutation relations', 'perturbation theory', 'analytic properties', 'model, minimal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005161'] | ['Using the exact result for the vacuum expectation values in non-simply laced affine Toda field theory $C_2^{(1)}$, we study short and long distance predictions of the two-point correlation functions in the massive phase of two coupled minimal models. The central charge of the unperturbed models ranges from $c=1$ to $... | ['2000-05-18'] |
3,358 | ['eng'] | ['Hanany, A', 'Pioline, B'] | ['(Anti-)Instantons and the Atiyah-Hitchin Manifold'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'instanton', 'monopole', 'moduli space', 'supersymmetry', 'differential geometry, Kaehler', 'geometry, algebra'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005160'] | ['The Atiyah-Hitchin manifold arises in many different contexts, ranging from its original occurrence as the moduli space of two SU(2) \'t Hooft-Polyakov monopoles in 3+1 dimensions, to supersymmetric backgrounds of string theory. In all these settings, (super)symmetries require the metric to be hyperk\\"ahler and have... | ['2000-05-18'] |
3,359 | ['eng'] | ['Ho, P M', 'Yeh, Y T'] | ['Noncommutative D-Brane in Non-Constant NS-NS B Field Background'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'field theory, tensor', 'field strength, constant', 'background field', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005159'] | ['We show that when the field strength H of the NS-NS B field does not vanish, the coordinates X and momenta P of an open string endpoints satisfy a set of mixed commutation relations among themselves. Identifying X and P with the coordinates and derivatives of the D-brane world volume, we find a new type of noncommuta... | ['2000-05-18'] |
3,360 | ['eng'] | ['Fioravanti, D', 'Stanishkov, M'] | ['Hidden Virasoro Symmetry of (Soliton Solutions of) the Sine Gordon Theory'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'algebra, Virasoro', 'Korteweg-de Vries equation', 'soliton', 'hidden symmetry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005158'] | ['We present a construction of a Virasoro symmetry of the sine-Gordon (SG) theory. It is a dynamical one and has nothing to do with the space-time Virasoro symmetry of 2D CFT. Although it is clear how it can be realized directly in the SG field theory, we are rather concerned here with the corresponding N-soliton solut... | ['2000-05-18'] |
3,361 | ['eng'] | ['Horata, S', 'Egawa, H S', 'Yukawa, T'] | ['Numerical Analysis of the Double Scaling Limit in the IIB Matrix Model'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'gauge field theory, Yang-Mills', 'matrix model', 'expansion 1/N', 'correlation function', 'Wilson loop', 'numerical calculations, Monte Carlo'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005157'] | ['The IIB matrix model, which is conjectured to be a non-perturbative definition of the type IIB superstring theory, is studied using a numerical method. The large N scaling behavior of the model is shown performing a Monte Carlo simulation. The leading order of the Wilson loop operator is measured in the weak coupling... | ['2000-05-18'] |
3,362 | ['eng'] | ['Sochichiu, C'] | ['Matrix Models'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'matrix model', 'expansion 1/N', 'fermion, determinant', 'phase space'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005156'] | ["We present some arguments showing spectrum doubling of matrix models in the limit N->infty which is connected with fermionic determinant behaviour. The problems are similar to ones encountered in the lattice gauge theories with chiral fermions. One may discuss the ``physical meaning'' of the doubling states or ways t... | ['2000-05-18'] |
3,363 | ['eng'] | ['Baker, L M'] | ['Equivalence Theorem for Lagrangians in Different Dimensions'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'field theory, transformation', 'constraint', 'field equations', 'Lagrangian formalism'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005155'] | ['A proof is given for the observation that the equations of motion for the companion Lagrangian without a square root, subject to some constraints, just reduce to the equations of motion for the companion Lagrangian with a square root in one less dimension. The companion Lagrangian is just an extension of the Klein-Go... | ['2000-05-18'] |
3,364 | ['eng'] | ['Stefanski, B'] | ['Dirichlet Branes on a Calabi-Yau Three-fold Orbifold'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, fractional', 'field theory, Calabi-Yau', 'orbifold', 'spontaneous compactification, torus', 'soliton, BPS', 'duality', 'K-theory', 'phase space, boundary condition', 'string model', 'scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005153'] | ['The D-brane spectrum of a $\\Zop_2\\times\\Zop_2$ Calabi-Yau three-fold orbifold of toroidally compactified Type IIA and Type IIB string theory is analysed systematically. The corresponding K-theory groups are determined and complete agreement is found. New kinds of stable non-BPS D-branes are found, whose stability ... | ['2000-05-18'] |
3,365 | ['eng'] | ['Ishibashi, N', 'Okuyama, K', 'Satoh, Y'] | ['Path Integral Approach to String Theory on $AdS_{3}$'] | ['Particle Physics - Theory'] | ['string model', 'field theory, anti-de Sitter', 'field theory, conformal', 'Wess-Zumino-Witten model', 'dimension, 2', 'coset space, SL(2C)/SU(2)', 'path integral', 'correlation function', 'n-point function, 3', 'analytic properties'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005152'] | ['Using the path integral approach, we discuss the correlation functions of the SL(2,C)/SU(2) WZW model which corresponds to the string theory on the Euclidean AdS_3. We obtain the two- and three-point functions for generic primary fields in closed forms. By an appropriate change of the normalization of the primary fie... | ['2000-05-18'] |
3,366 | ['eng'] | ['Ferrara, Sergio', 'Sokatchev, Emery S'] | ['Superconformal interpretation of BPS states in AdS geometries'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'algebra, conformal', 'supersymmetry, algebra', 'superfield', 'algebra, representation', 'analytic properties, Grassmann', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005151'] | ['We carry out a general analysis of the representations of the superconformal algebras SU(2,2/N), OSp(8/4,R) and OSp(8^*/4) and give their realization in superspace. We present a construction of their UIR\'s by multiplication of the different types of massless superfields ("supersingletons"). Particular attention is p... | ['2000-05-17'] |
3,367 | ['eng'] | ['Abanov, A G'] | ['Hopf term induced by fermions'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'symmetry, O(3)', 'space-time, S(3)', 'fermion, Dirac', 'effective action', 'anomaly', 'charge, topological', 'Hopf term'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005150'] | ["We derive an effective action for Dirac fermions coupled to O(3) non-linear sigma-model (NLSM) through the Yukawa-type interaction. The nonperturbative (global) quantum anomaly of this model results in a Hopf term for the effective NLSM. We obtain this term using the ``embedding'' of the CP$^1$ model into the CP$^M$ ... | ['2000-05-17'] |
3,368 | ['eng'] | ['Grassi, P A', 'Kniehl, B A', 'Sirlin, A'] | ['Width and Partial Widths of Unstable Particles'] | ['Particle Physics - Theory'] | ['particle, relativistic', 'stability', 'decay, width', 'resonance', 'gauge field theory'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005149'] | ['In the gauge theory context, a definition of branching ratios and partial widths of unstable particles is proposed that satisfies the basic principles of additivity and gauge independence. The difference between the new, gauge-independent formulation and the conventional one reflects the fact that unstable particles ... | ['2000-05-17'] |
3,369 | ['eng'] | ['Kling, A', 'Kreuzer, M', 'Zhou Jian Ge'] | ['SU(2) WZW D-branes and quantized worldvolume U(1) flux on $S^{2}$'] | ['Particle Physics - Theory'] | ['Wess-Zumino-Witten model, SU(2)', 'current, chiral', 'membrane model, D-brane', 'algebra, Kac-Moody', 'symmetry breaking, conformal', 'flux, U(1)', 'flux, quantization'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005148'] | ['We discuss possible D-brane configurations on SU(2) group manifold in the sigma model approach. When we turn the boundary conditions of the spacetime fields into the boundary gluing conditions of chiral currents, we find that for all D-branes except the spherical D2-branes, the gluing matrices R^a_{~b} depend on the ... | ['2000-05-17'] |
3,370 | ['eng'] | ['Ambjørn, Jan', 'Anagnostopoulos, K N', 'Bietenholz, W', 'Hotta, T', 'Nishimura, J'] | ['Monte Carlo Studies of the IIB Matrix Model at Large N'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'supersymmetry', 'dimension, 10', 'matrix model', 'effective action', 'symmetry, Lorentz', 'symmetry, spontaneously broken', 'expansion 1/N', 'numerical calculations, Monte Carlo', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005147'] | ['The low-energy effective theory of the IIB matrix model developed by H. Aoki et al. is written down explicitly in terms of bosonic variables only. The effective theory is then studied by Monte Carlo simulations in order to investigate the possibility of a spontaneous breakdown of Lorentz invariance. The imaginary par... | ['2000-05-17'] |
3,371 | ['eng'] | ['Marolf, D M', 'Surya, S'] | ['On the Moduli Space of the Localized 1-5 System'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 1', 'p-brane, 5', 'effective action', 'velocity, dependence', 'moduli space', 'bound state, BPS', 'supergravity', 'dimension, 10', 'dimensional reduction', 'angular momentum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005146'] | ['We calculate the effective action for small velocity scattering of localized 1-branes and 5-branes. Momentum is allowed to flow in the direction along the 1-branes so that the moduli space has only 1/8 of the full supersymmetry. Relative to the more familiar case with the 1-branes delocalized along the 5-branes, this... | ['2000-05-17'] |
3,372 | ['eng'] | ['Schiappa, R'] | ['Matrix Strings in Weakly Curved Background Fields'] | ['Particle Physics - Theory'] | ['string model', 'matrix model', 'sigma model, nonlinear', 'space-time', 'membrane model, D-brane', 'tensor, energy-momentum', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005145'] | ['We investigate further the recent proposal for the form of the Matrix theory action in weak background fields. We perform DVV reduction to the multiple D0-brane action in order to find the Matrix string theory action for multiple fundamental strings in curved but weak NS-NS and R-R backgrounds. This matrix sigma mode... | ['2000-05-17'] |
3,373 | ['eng'] | ['Wang, B', 'Mendes, C M', 'Abdalla, Elcio'] | ['Evolving of a massless scalar field in Reissner-Nordstrom Anti-de Sitter spacetimes'] | ['Particle Physics - Theory'] | ['space-time, anti-de Sitter', 'space-time, Reissner-Nordstroem', 'field theory, scalar', 'field theory, massless', 'field equations, solution', 'wave function', 'numerical calculations'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005143'] | ['We investigate the evolution of a scalar field propagating in Reissner-Nordstr\\"om Anti-de Sitter spacetime. Due to the characteristic of spacetime geometry, the radiative tails associated with a massless scalar field propagation have an oscillatory exponential decay. The object-picture of the quasinormal ringing ha... | ['2000-05-17'] |
3,374 | ['eng'] | ['Zabzine, M'] | ['Hamiltonian systems with boundaries'] | ['Particle Physics - Theory'] | ['string model, open', 'quantization, constraint', 'Hamiltonian formalism', 'boundary condition', 'sigma model, topological', 'quantum electrodynamics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005142'] | ['Lately, to provide a solid ground for quantization of the open string theory with a constant $B$-field it has been proposed to treat the boundary conditions as hamiltonian constraints. It seems that this proposal is quite general and it should be applicable to a wide range of models defined on manifolds with boundari... | ['2000-05-17'] |
3,375 | ['eng'] | ['Barbashov, B M', 'Pervushin, V N'] | ['Time-reparametrization-invariant dynamics of a relativistic string'] | ['Particle Physics - Theory'] | ['string model, relativistic', 'Hamiltonian formalism', 'dependence, gauge', 'invariance, reparametrization', 'geometry'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005140'] | ['The time-reparametrization-invariant dynamics of a relativistic string is studied in the Dirac generalized Hamiltonian theory by resolving the first class constraints. The reparametrization-invariant evolution parameter is identified with the time-like coordinate of the "center of mass" of a string which is separated... | ['2000-05-17'] |
3,376 | ['eng'] | ['Kim, J E', 'Kyae, B'] | ['Exact Cosmological Solution and Modulus Stabilization in the Randall-Sundrum Model with Bulk Matter'] | ['Particle Physics - Theory'] | ['Randall-Sundrum model', 'dimension, 5', 'field equations, solution', 'astrophysics, model', 'stability'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005139'] | ['We provide the exact time-dependent cosmological solutions in the Randall-Sundrum (RS) setup with bulk matter, which may be smoothly connected to the static RS metric. In the static limit of the extra dimension, the solutions are reduced to the standard Friedmann equations with a warp factor. In view of our solutions... | ['2000-05-17'] |
3,377 | ['eng'] | ['Saraikin, K'] | ['Comments on the Morita Equivalence'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, torus', 'field theory, transformation', 'differential geometry, noncommutative', 'Polyakov loop', 'Wilson loop'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005138'] | ['It is known that noncommutative Yang-Mills theory with periodical boundary conditions on torus at the rational value of the noncommutativity parameter is Morita equivalent to the ordinary Yang-Mills theory with twisted boundary conditions on dual torus. We present simple derivation of this fact. We describe one-to-on... | ['2000-05-17'] |
3,378 | ['eng'] | ['Cvetic, M', 'Lu, H', 'Pope, C N', 'Sadrzadeh, A', 'Tran, T A'] | ['$S^{3}$ and $S^{4}$ Reductions of Type IIA Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'space-time, S(3)', 'space-time, S(4)', 'dimension, 4', 'dimension, 7', 'dimension, 11', 'gauge field theory, SO(4)', 'gauge field theory, SO(5)', 'Kaluza-Klein model', 'dimensional reduction'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005137'] | ['We construct a consistent reduction of type IIA supergravity on S^3, leading to a maximal gauged supergravity in seven dimensions with the full set of massless SO(4) Yang-Mills fields. We do this by starting with the known S^4 reduction of eleven-dimensional supergravity, and showing that it is possible to take a sin... | ['2000-05-16'] |
3,379 | ['eng'] | ['Brink, Lars', 'Metsaev, R R', 'Vasilev, M A'] | ['How massless are massless fields in $AdS_{d}$'] | ['Particle Physics - Theory'] | ['field theory, massless', 'space-time, anti-de Sitter', 'any-dimensional', 'particle, multiplet', 'mass spectrum'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005136'] | ["Massless fields of generic Young symmetry type in $AdS_d$ space are analyzed. It is demonstrated that in contrast to massless fields in Minkowski space whose physical degrees of freedom transform in irreps of $o(d-2)$ algebra, $AdS$ massless mixed symmetry fields reduce to a number of irreps of $o(d-2)$ algebra. From... | ['2000-05-16'] |
3,380 | ['eng'] | ['Heslop, P J', 'Howe, Paul S'] | ['On Harmonic Superspaces and Superconformal Fields in Four Dimensions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'supersymmetry', 'superspace, harmonic', 'group theory, representation', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005135'] | ['Representations of four-dimensional superconformal groups on harmonic superfields are discussed. It is shown how various short representations can be obtained by parabolic induction. It is also shown that such short multiplets may admit several descriptions as superfields on different superspaces. In particular, this... | ['2000-05-16'] |
3,381 | ['eng'] | ['Schrör, B'] | ['The Theory of Anomalous Scale Dimensions'] | ['Particle Physics - Theory'] | ['axiomatic field theory', 'field theory, conformal', 'braid group', 'operator, algebra', 'algebra, exchange', 'group theory, modular'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005134'] | ["Using the previously gained insight about the particle/field relation in conformal quantum field theories which required interactions to be related to the existence of particle-like states (infraparticles) associated with fields which necessarily have an anomalous contribution in addition to their canonical scale-dim... | ['2000-05-16'] |
3,382 | ['eng'] | ['Kirsten, K'] | ['Spectral functions in mathematics and physics'] | ['Particle Physics - Theory'] | ['talk, Buenos Aires 1998/11/28', 'field theory, scalar', 'symmetry, rotational', 'spectral representation', 'external field', 'energy, Casimir', 'heat kernel', 'analytic properties', 'regularization, zeta function', 'numerical calculations', 'bibliography'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005133'] | ['Spectral functions relevant in the context of quantum field theory under the influence of spherically symmetric external conditions are analysed. Examples comprise heat-kernels, determinants and spectral sums needed for the analysis of Casimir energies. First, we summarize that a convenient way of handling them is to... | ['2000-05-16'] |
3,383 | ['eng'] | ['Ansoldi, S', 'Castro, C', 'Spallucci, E'] | ['Quantum equivalence between diverse p-brane actions'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'field theory, action', 'gauge field theory, tensor', 'differential forms', 'field theory, transformation', 'path integral'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005132'] | ["We consider an action for a closed, bosonic, p-brane, where the brane tension is not an assigned parameter but rather it is induced by a maximal rank gauge p-form. This model is classically equivalent to the Nambu-Goto/Howe-Tucker model. We investigate how this classical equivalence can be implemented in the path int... | ['2000-05-16'] |
3,384 | ['eng'] | ['Hamamoto, S', 'Nakamura, M'] | ['Path-Integral Measures in Higher-Derivative Gravities'] | ['Particle Physics - Theory'] | ['gravitation, action', 'derivative, high', 'path integral, measure', 'transformation, Becchi-Rouet-Stora'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005131', 'http://arXiv.org/abs/hep-th/?0005131'] | ['A simple method of obtaining path-integral measures in higher-derivative gravities is presented. The measures are nothing but the generalized Lee-Yang terms.'] | ['2000-05-16'] |
3,385 | ['eng'] | ['Blas, H'] | ['Reduction of affine two-loop WZNW model, the Toda system coupled to the matter and topological confinement'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'symmetry, spontaneously broken', 'dimension, 2', 'Wess-Zumino-Witten model', 'field theory, Toda', 'field theory, affine', 'coupling, matter', 'perturbation theory, higher-order', 'higher-order, 2', 'transformation, Becchi-Rouet-Stora', 'bosonization', 'confinement, topological', 'bibliogra... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005130'] | ["The conformal affine Toda model coupled to the matter field (CATM) is obtained through a classical reduction of the $sl(2)^{(1)}$ affine two-loop WZNW model. After spontaneously broken the conformal symmetry by means of BRST analysis, we end up with an effective theory, the so called affine Toda model coupled to the ... | ['2000-05-16'] |
3,386 | ['eng'] | ['Gomis, J P', 'Mehen, T'] | ['Space-Time Noncommutative Field Theories and Unitarity'] | ['Particle Physics - Theory'] | ['differential geometry, noncommutative', 'field theory, scalar', 'scattering amplitude', 'unitarity', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005129'] | ['We study the perturbative unitarity of noncommutative scalar field theories. Field theories with space-time noncommutativity do not have a unitary S-matrix. Field theories with only space noncommutativity are perturbatively unitary. This can be understood from string theory, since space noncommutative field theories ... | ['2000-05-16'] |
3,387 | ['eng'] | ['Paniak, L D', 'Szabo, R J'] | ['Fermionic Quantum Gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'dimension, 2', 'fermion', 'partition function', 'determinant', 'perturbation theory', 'expansion 1/N', 'duality', 'analytic properties', 'operator, algebra', 'string model', 'matrix model', 'Kadomtsev-Petviashvili equation, hierarchy', 'constraint, Virasoro', 'integrability', 'lattice field theory,... | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005128'] | ["We study the statistical mechanics of random surfaces generated by NxN one-matrix integrals over anti-commuting variables. These Grassmann-valued matrix models are shown to be equivalent to NxN unitary versions of generalized Penner matrix models. We explicitly solve for the combinatorics of 't Hooft diagrams of the ... | ['2000-05-16'] |
3,388 | ['eng'] | ['Nojiri, S', 'Obregón, O', 'Odintsov, S D'] | ['(Non)-singular brane-world cosmology induced by quantum effects in d5 dilatonic gravity'] | ['Particle Physics - Theory'] | ['gravitation, dilaton', 'dimension, 5', 'potential, induced', 'membrane model', 'astrophysics, model'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005127'] | ['5d dilatonic gravity (bosonic sector of gauged supergravity) with non-trivial bulk potential and with surface terms (boundary cosmological constant and trace anomaly induced effective action for brane quantum matter) is considered. For constant bulk potential and maximally SUSY Yang-Mills theory (CFT living on the br... | ['2000-05-16'] |
3,389 | ['eng'] | ['Ketov, S V'] | ['N = 2 super-Born-Infeld theory revisited'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'supersymmetry, superfield', 'field theory, action', 'hidden symmetry', 'symmetry, spontaneously broken'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005126'] | ['I discuss the symmetry structure of the N=2 supersymmetric extension of the Born-Infeld action in four dimensions, and confirm its interpretation as the Goldstone-Maxwell action associated with partial breaking of N=4 extended supersymmetry down to N=2, by demonstrating hidden invariance of the action with respect to... | ['2000-05-16'] |
3,390 | ['eng'] | ['Kondo, K I', 'Shinohara, T'] | ['Renormalizable Abelian-projected effective gauge theory derived from Quantum Chromodynamics'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'gauge, abelian', 'Lagrangian formalism', 'dependence, gauge', 'effective action', 'renormalization group, beta function', 'propagator', 'vertex function', 'n-point function, 4', 'perturbation theory, higher-order'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005125'] | ['We show that an effective Abelian gauge theory can be obtained as a renormalizable theory from QCD in the maximal Abelian gauge. The derivation improves the previous version which was obtained by one of the authors and was called the Abelian-projected effective gauge theory. This result supports a view that we can co... | ['2000-05-16'] |
3,391 | ['eng'] | ['Gregori, A'] | ['On the strong coupling behavior of heterotic and type I orbifolds'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'orbifold', 'orientifold', 'approximation, strong coupling', 'duality', 'scattering amplitude'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005124'] | ['We investigate the strong coupling behavior of certain orbifolds of the heterotic string, with N=2 supersymmetry in four dimensions, by comparing the correction to the R2 term with the same quantity, computed on both the type I duals and on the duals constructed by orientifolding the type IIB string with the world-sh... | ['2000-05-16'] |
3,392 | ['eng'] | ['Kawamoto, S', 'Sasakura, N'] | ['Open membranes in a constant C-field background and noncommutative boundary strings'] | ['Particle Physics - Theory'] | ['membrane model, open', 'boundary condition', 'field theory, tensor', 'background field', 'field strength, constant', 'constraint, solution', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005123'] | ['We investigate the dynamics of open membrane boundaries in a constant C-field background. We follow the analysis for open strings in a B-field background, and take some approximations. We find that open membrane boundaries do show noncommutativity in this case by explicit calculations. Membrane boundaries are one dim... | ['2000-05-16'] |
3,393 | ['eng'] | ['Plyushchay, M S'] | ['On the nature of fermion-monopole supersymmetry'] | ['Particle Physics - Theory'] | ['fermion', 'monopole', 'supersymmetry, transformation', 'supersymmetry, algebra', 'algebra, nonlinear', 'quantum mechanics'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005122'] | ["It is shown that the generator of the nonstandard fermion-monopole supersymmetry uncovered by De Jonghe, Macfarlane, Peeters and van Holten, and the generator of its standard N=1/2 supersymmetry have to be supplied with their product operator to be treated as independent supercharge. As a result, the fermion-monopole... | ['2000-05-15'] |
3,394 | ['eng'] | ['Grassi, A', 'Guralnik, Z', 'Ovrut, B A'] | ['Five-brane BPS states in heterotic M-theory'] | ['Particle Physics - Theory'] | ['M-theory', 'string model, heterotic', 'soliton, BPS', 'membrane model, p-brane', 'p-brane, 5', 'field theory, Calabi-Yau', 'geometry, algebra', 'grand unified theory, SU(5)', 'family, 3'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005121'] | ['We present explicit methods for computing the discriminant curves and the associated Kodaira type fiber degeneracies of elliptically fibered Calabi--Yau threefolds. These methods are applied to a specific three--family, SU(5) grand unified theory of particle physics within the context of Heterotic M--Theory. It is de... | ['2000-05-15'] |
3,395 | ['eng'] | ['Gates, S J', 'Gukov, S G', 'Witten, Edward'] | ['Two Two-Dimensional Supergravity Theories from Calabi-Yau Four-Folds'] | ['Particle Physics - Theory'] | ['supergravity', 'dimension, 2', 'string model', 'spontaneous compactification, Calabi-Yau', 'supersymmetry, superfield', 'supersymmetry, superspace', 'dilaton', 'effective action'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005120'] | ['We consider two-dimensional supergravity theories with four supercharges constructed from compactification of Type II string theory on a generic Calabi-Yau four-fold. In Type IIA and Type IIB cases, respectively, new superspace formulations of N=(2,2) and N=(0,4) dilaton supergravities are found and their coupling to... | ['2000-05-15'] |
3,396 | ['eng'] | ['Nieto, J A', 'Marin, M C'] | ['Matroid Theory and Chern-Simons'] | ['Particle Physics - Theory'] | ['M-theory', 'supergravity', 'gauge field theory, Yang-Mills', 'Chern-Simons term', 'dimension, 3', 'partition function', 'duality'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005117'] | ['It is shown that matroid theory may provide a natural mathematical framework for a duality symmetries not only for quantum Yang-Mills physics, but also for M-theory. Our discussion is focused in an action consisting purely of the Chern-Simons term, but in principle the main ideas can be applied beyond such an action.... | ['2000-05-15'] |
3,397 | ['eng'] | ['Cappelli, A P', "D'Appollonio, G"] | ['On the Trace Anomaly as a Measure of Degrees of Freedom'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'fermion, Dirac', 'any-dimensional', 'anomaly, conformal', 'field theory, tensor', 'renormalization group, c-function'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005115'] | ['Recent conjectures of the c-theorem in four and higher dimensions have suggested that the coefficient of the Euler characteristic in the trace anomaly could measure the degrees of freedom in field theory and decrease along the renormalization-group flow. We compute this quantity for free massless scalar, fermion and ... | ['2000-05-15'] |
3,398 | ['eng'] | ['Naka, M', 'Takayanagi, T', 'Uesugi, T'] | ['Boundary State Description of Tachyon Condensation'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'bound state', 'phase space', 'boundary condition', 'tachyon, condensation', 'bosonization', 'moduli space', 'field theory, conformal'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005114'] | ['We construct the explicit boundary state description of the vortex-type (codimension two) tachyon condensation in brane-antibrane systems generalizing the known result of the kink-type (Frau et al. hep-th/9903123). In this description we show how the RR-charge of the lower dimensional D-branes emerges. We also invest... | ['2000-05-15'] |
3,399 | ['eng'] | ['Maharana, J P', 'Pal, S S'] | ['Noncommutative Open strings, D-brane and Duality'] | ['Particle Physics - Theory'] | ['string model, open', 'membrane model, D-brane', 'duality', 'field theory, tensor', 'gauge field theory', 'Hamiltonian formalism', 'differential geometry, noncommutative'] | ['http://documents.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=0005113', 'http://arXiv.org/abs/hep-th/?hep-th/0005113'] | ['We consider open strings ending on D-branes in the presence of constant metric, G, antisymmetric tensor, B and gauge field, A. The Hamiltonian is is manifestly invariant under a global noncompact group; strikingly similar to toroidally compactified closed string Hamiltonian. The evolution equations for the string coo... | ['2000-05-15'] |
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