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 |
|---|---|---|---|---|---|---|---|---|
10,300 | ['eng'] | ['Lee, C Y'] | ['New Type of Vector Gauge Theory from Noncommutative Geometry'] | ['Particle Physics - Theory'] | ['gauge field theory, massive', 'gauge field theory, action', 'differential geometry, noncommutative', 'differential forms', 'transformation, Becchi-Rouet-Stora'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709040'] | ['Using the formalism of noncommutative geometric gauge theory based on the superconnection concept, we construct a new type of vector gauge theory possessing a shift-like symmetry and the usual gauge symmetry. The new shift-like symmetry is due to the matrix derivative of the noncommutative geometric gauge theory, and... | ['1997-09-05'] |
10,301 | ['eng'] | ['Delepine, D', 'Felipe, R G', 'Weyers, J'] | ['Equivalence of the sine-Gordon and massive Thirring models at finite temperature'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'Thirring model, massive', 'finite temperature', 'path integral, Euclidean', 'field theory, transformation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709039'] | ["Using the path-integral approach, the quantum massive Thirring and sine-Gordon models are proven to be equivalent at finite temperature. This result is an extension of Coleman's proof of the equivalence between both theories at zero temperature. The usual identifications among the parameters of these models also rema... | ['1997-09-05'] |
10,302 | ['eng'] | ['Becker, K'] | ['Testing M(atrix)-Theory at Two Loops'] | ['Particle Physics - Theory'] | ['talk, Amsterdam 1997/06/16', 'M-theory', 'matrix model', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 0', 'scattering, p-brane', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709038'] | ["I discuss the relation between M-theory and M(atrix)-theory in flat space by considering the effective potential for the scattering of two groups of D0-branes in both theories. An explicit calculation of this potential up to two loop order in M(atrix)-theory reveals a fascinating agreement. Lecture given at Strings '... | ['1997-09-05'] |
10,303 | ['eng'] | ['Ardalan, Farhad', 'Fatollahi, A H', 'Kaviani, K', 'Parvizi, S'] | ['A Matrix Model for Static Configurations of M-Theory'] | ['Particle Physics - Theory'] | ['field theory, M-theory', 'membrane model', 'supersymmetry', 'soliton', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709037'] | ['We suggest that the static configurations of M-theory are described by the matrix regularisation of the supermembrane theory in static gauge. We compute long range interaction between a M-2-brane and an anti-M-2-brane in agreement with the 11 dimensional supergravity result.'] | ['1997-09-05'] |
10,304 | ['eng'] | ['Aitchison, Ian Johnston Rhind', 'Fosco, C D'] | ['Gauge Invariance and Effective Actions in D=3 at Finite Temperature'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'dimension, 3', 'Chern-Simons term', 'fermion', 'effective action', 'flux, magnetic', 'finite temperature', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709035'] | ["For background gauge field configurations reducible to the form Amu = (A3, A(x)) where A3 is a constant, we provide an elementary derivation of the recently obtained result for the exact induced Chern-Simons (CS) effective action in QED3 at finite temperature. The method allows us to extend the result in several usef... | ['1997-09-05'] |
10,305 | ['eng'] | ['Fateev, V', 'Lukyanov, S', 'Zamolodchikov, A B', 'Zamolodchikov, A B'] | ['Expectation values of local fields in Bullough-Dodd model and integrable perturbed conformal field theories'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'central charge, <1', 'model, minimal', 'perturbation', 'Bullough-Dodd model', 'S-matrix', 'field theory, Liouville', 'analytic properties', 'sinh-Gordon model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709034'] | ["Exact expectation values of the fields e^{a\\varphi} in the Bullough-Dodd model are derived by adopting the ``reflection relations'' which involve the reflection S-matrix of the Liouville theory, as well as special analyticity assumption. Using this result we propose explicit expressions for expectation values of all... | ['1997-09-04'] |
10,306 | ['eng'] | ['Cvetic, M', 'Hull, C M'] | ['Wrapped Branes and Supersymmetry'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'supersymmetry', 'string model, heterotic', 'instanton', 'space-time'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709033'] | ['Configurations of two or more branes wrapping different homology cycles of space-time are considered and the amount of supersymmetry preserved is analysed, generalising the analysis of multiple branes in flat space. For K3 compactifications, these give the Type II or M theory origin of certain supersymmetric four-dim... | ['1997-09-04'] |
10,307 | ['eng'] | ['Verbaarschot, J J M'] | ['Universal Fluctuations in Dirac Spectra'] | ['Particle Physics - Theory'] | ['talk, Zakopane 1997/06/14', 'quantum chromodynamics', 'operator, Dirac', 'partition function, 0', 'symmetry breaking, chiral', 'sum rule', 'spectra, density', 'statistical analysis', 'matrix model, random', 'correlation', 'spectra, fluctuation', 'universality', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709032'] | ['In these two lectures given at the 1997 Zakopane workshop on "New Developments in Quantum Field Theory" we review recent results on universal fluctuations in QCD Dirac spectra. We start the first lecture with a review of some general properties of Dirac spectra. It will be argued that there is an intimate relation be... | ['1997-09-04'] |
10,308 | ['eng'] | ['Lukas, A', 'Ovrut, B A'] | ['U-duality Covariant M-theory Cosmology'] | ['Particle Physics - Theory'] | ['M-theory', 'astrophysics', 'dimension, 4', 'dimension, 5', 'duality', 'supergravity', 'dimension, 11', 'dimensional reduction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709030'] | ['A manifestly U-duality covariant approach to M-theory cosmology is developed and applied to cosmologies in dimensions D=4,5. Cosmological properties such as expansion powers and Hubble parameters turn out to be U-duality invariant in certain asymptotic regions. U-duality transformations acting on cosmological solutio... | ['1997-09-04'] |
10,309 | ['eng'] | ['Wynter, T'] | ['Gauge fields and interactions in matrix string theory'] | ['Particle Physics - Theory'] | ['string model, interaction', 'matrix model', 'gauge field theory', 'expansion 1/N', 'field theory, conformal', 'Riemann surfaces', 'effective action', 'supersymmetry', 'spontaneous compactification, circle'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709029'] | ['It is shown that all possible N sheeted coverings of the cylinder are contained in type IIA matrix string theory as non-trivial gauge field configurations. Using these gauge field configurations as backgrounds the large $N$ limit is shown to lead to the type IIA conformal field theory defined on the corresponding Rie... | ['1997-09-04'] |
10,310 | ['eng'] | ['Delfino, G', 'Mussardo, G'] | ['Non-integrable aspects of the multi-frequency Sine-Gordon model'] | ['Particle Physics - Theory'] | ['sine-Gordon model', 'dimension, 2', 'perturbation theory, higher-order', 'form factor', 'soliton', 'integrability', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709028'] | ['We consider the two-dimensional quantum field theory of a scalar field self-interacting via two periodic terms of frequencies $\\alpha$ and $\\beta$. Looking at the theory as a perturbed Sine-Gordon model, we use Form Factor Perturbation Theory to analyse the evolution of the spectrum of particle excitations. We show... | ['1997-09-04'] |
10,311 | ['eng'] | ['Gibbons, G W'] | ['Born-Infeld particles and Dirichlet p-branes'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'membrane model, p-brane', 'membrane model, D-brane', 'soliton', 'domain wall', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709027'] | ["Born-Infeld theory admits finite energy point particle solutions with Dirichlet $p$-branes as the ends of strings intersecting the brane when the effects of gravity are ignored. There are also topologically non-trivial electrically neutral catenoidal solutions looking like two $p$-branes joined by a throat. The gener... | ['1997-09-04'] |
10,312 | ['eng'] | ['Deriglazov, A A'] | ['Eleven Dimensional Superstring with New Supersymmetry and $D=10$ type 2A Green-Schwarz Superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superfield', 'dimension, 11', 'dimension, 10', 'dimensional reduction', 'field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709025'] | ['A covariant action for closed $D=11$ superstring with local $\\kappa$-symmetry and global supersymmetry transformations obeying the algebra sector variables of the model and their dynamics exactly coincide with those of the $D=10$ type IIA Green--Schwarz superstring. It is shown that action of the $D=10$ type IIA Gre... | ['1997-09-04'] |
10,313 | ['eng'] | ['Antoniadis, Ignatios', 'Quirós, M'] | ['Supersymmetry breaking in M-theory'] | ['Particle Physics - Theory'] | ['talk, Philadelphia 1997/05/27', 'talk, Jerusalem 1997/08/19', 'field theory, M-theory', 'supersymmetry, symmetry breaking', 'string model, heterotic', 'gauge field theory, E(8) x E(8)', 'spontaneous compactification'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709023'] | ['We describe the breaking of supersymmetry in M-theory by coordinate dependent (Scherk-Schwarz) compactification of the eleventh dimension. Supersymmetry is spontaneously broken in the gravitational and moduli sector and communicated to the observable sector, living at the end-point of the semicircle, by radiative gra... | ['1997-09-03'] |
10,314 | ['eng'] | ['Brustein, Ram', 'Hadad, M'] | ['Particle production in string cosmology models'] | ['Particle Physics - Theory'] | ['astrophysics, model', 'string model', 'dilaton', 'particle, production', 'particle, spectra', 'background', 'perturbation theory', 'differential equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709022'] | ['We compute spectra of particles produced during a dilaton-driven kinetic inflation phase within string cosmology models. The resulting spectra depend on the parameters of the model and on the type of particle and are quite varied, some increasing and some decreasing with frequency. We use an approximation scheme in w... | ['1997-09-03'] |
10,315 | ['eng'] | ['Brandt, F', 'Dragon, N V'] | ['New gauge invariant interactions of 1-form and 2-form gauge potentials'] | ['Particle Physics - Theory'] | ['gauge field theory, U(1)', 'gauge field theory, vector', 'gauge field theory, tensor', 'differential forms', 'gauge field theory, action'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709021'] | ['A new four dimensional gauge theory with nonpolynomial but local interactions of 1-form and 2-form gauge potentials is constructed. The model is a nontrivial deformation of a free gauge theory with nonpolynomial dependence on the deformation parameter (= gauge coupling constant).'] | ['1997-09-03'] |
10,316 | ['eng'] | ['Lee, C Y', 'Lee, D W'] | ['Faddeev-Jackiw Analysis of Nonabelian Gauge Theory with Vector and Antisymmetric Tensor Fields'] | ['Particle Physics - Theory'] | ['gauge field theory, Yang-Mills', 'field theory, tensor', 'quantization', 'Hamiltonian formalism', 'field equations, solution', 'zero mode, fluctuation', 'transformation, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709020'] | ['We analyze the gauge symmetry of a system consisted of vector and second rank antisymmetric tensor fields. This system does not possess nonabelian gauge symmetry unless an auxiliary vector field is included. We first analyze the system without an auxiliary vector field in the Faddeev-Jackiw formalism and show that on... | ['1997-09-03'] |
10,317 | ['eng'] | ['Roland, K O', 'Sato, H T'] | ['Multiloop $\\Phi^{3}$ Amplitudes from Bosonic String Theory'] | ['Particle Physics - Theory'] | ['string model, boson', 'tachyon', 'scattering amplitude, higher-order', 'phi**n model, 3', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709019'] | ["We show how the multiloop amplitudes of $\\Phi^3$ theory (in the worldline formulation of Schmidt and Schubert) are recovered from the N-tachyon $(h+1)$-loop amplitude in bosonic string theory in the $\\alpha' \\to 0$ limit, if one keeps the tachyon coupling constant fixed. In this limit the integral over string modu... | ['1997-09-03'] |
10,318 | ['eng'] | ['Suzuki, H', 'Yasuta, H'] | ['Observing Quantum Tunneling in Perturbation Series'] | ['Particle Physics - Theory'] | ['talk, Beijing 1997/08/19', 'phi**n model, 4', 'dimension, 0-3', 'tunneling', 'perturbation theory, higher-order', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709018'] | ['It is well-known that the quantum tunneling makes conventional perturbation series non-Borel summable. We use this fact reversely and attempt to extract the decay width of the false-vacuum from the actual perturbation series of the vacuum energy density (vacuum bubble diagrams). It is confirmed that, at least in quan... | ['1997-09-03'] |
10,319 | ['eng'] | ['Das, A C', 'Maharana, J P', 'Roy, S'] | ['An SL(2, Z) Multiplet of Black Holes in $D = 4$ Type II Superstring Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'symmetry, SL(2,Z)', 'dimension, 10', 'spontaneous compactification, torus', 'dimension, 4', 'field equations, solution', 'black hole, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709017'] | ["It is well-known that the conjectured SL(2, Z) invariance of type IIB string theory in ten dimensions also persists in lower dimensions when the theory is compactified on tori. By making use of this recent observation, we construct an infinite family of magnetically charged black hole solutions of type II superstring... | ['1997-09-03'] |
10,320 | ['eng'] | ['Lowe, D A'] | ['$E_8 x E_8$ Small Instantons in Matrix Theory'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'symmetry, E(8) x E(8)', 'matrix model', 'instanton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709015'] | ['A formulation of new six-dimensional theories with (1,0) supersymmetry and E_8 x E_8 global symmetry is proposed. The model is based on the large n theory describing n D-strings interacting with parallel D-fivebranes in Type I string theory.'] | ['1997-09-02'] |
10,321 | ['eng'] | ['Howe, Paul S', 'Lambert, N D', 'West, Peter C'] | ['The Self-Dual String Soliton'] | ['Particle Physics - Theory'] | ['field theory, M-theory', 'field equations, solution', 'membrane model, p-brane', 'p-brane, 5', 'soliton', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709014'] | ["We obtain a BPS soliton of the M theory fivebrane's equations of motion representing a supersymmetric self-dual string. The resulting solution is then dimensionally reduced and used to obtain 0-brane and (p-2)-brane solitons on D-p-branes."] | ['1997-09-02'] |
10,322 | ['eng'] | ['Gaberdiel, M R', 'Zwiebach, B'] | ['Exceptional groups from open strings'] | ['Particle Physics - Theory'] | ['string model, open', 'spontaneous compactification, sphere', 'dimension, 2', 'membrane model, p-brane', 'p-brane, 7', 'algebra, Lie', 'algebra, exceptional', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709013'] | ['We consider type IIB theory compactified on a two-sphere in the presence of mutually nonlocal 7-branes. The BPS states associated with the gauge vectors of exceptional groups are seen to arise from open strings connecting the 7-branes, and multi-pronged open strings capable of ending on more than two 7-branes. These ... | ['1997-09-02'] |
10,323 | ['eng'] | ['Mourad, J'] | ['Anomalies of the SO(32) five-brane and their cancellation'] | ['Particle Physics - Theory'] | ['membrane model, p-brane', 'p-brane, 5', 'gauge field theory, SO(32)', 'anomaly'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709012'] | ['The anomaly due to the chiral fermions on the world-volume of the SO(32) five-brane is calculated. It is shown that this contribution has the correct structure for it to be cancelled by the variation of the classical world-volume action. The cancellation mechanism requires a Green-Schwarz-like term in the classical a... | ['1997-09-02'] |
10,324 | ['eng'] | ['Brunetti, R', 'Fredenhagen, Klaus'] | ['Interacting Quantum Fields on a Curved Background'] | ['Particle Physics - Theory'] | ['talk, Brisbane 1997/07/13', 'field theory, interaction', 'space-time', 'axiomatic field theory', 'field theory, scalar'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709011'] | ["A renormalized perturbative expansion of interacting quantum fields on a globally hyperbolic spacetime is performed by adapting the Bogoliubov Epstein Glaser method to a curved background. The results heavily rely on techniques from microlocal analysis, in particular on Radzikowski's characterization of Hadamard stat... | ['1997-09-02'] |
10,325 | ['eng'] | ['Brandhuber, A', 'Itzhaki, N', 'Sonnenschein, J', 'Theisen, Stefan J', 'Yankielowicz, S'] | ['On the M-Theory Approach to (Compactified) 5D Field Theories'] | ['Particle Physics - Theory'] | ['M-theory', 'gauge field theory, SU(N)', 'gauge field theory, SO(N)', 'gauge field theory, Sp(N)', 'dimension, 5', 'spontaneous compactification, circle', 'membrane model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709010'] | ['We construct M-theory curves associated with brane configurations of SU(N), SO(N) and $Sp(2N)$ 5d supersymmetric gauge theories compactified on a circle. From the curves we can account for all the existing different SU(N) field theories with $N_f \\leq 2 N$. This is the correct bound for $N \\geq 3$. We remark on the... | ['1997-09-02'] |
10,326 | ['eng'] | ['Paschke, M', 'Scheck, F', 'Sitarz, A'] | ['Can (noncommutative) geometry accommodate leptoquarks?'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(3) x SU(2) x U(1)', 'geometry, noncommutative', 'leptoquark', 'operator, Dirac', 'lepton quark, interaction', 'field theory, action', 'interpretation of experiments'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709009'] | ['We investigate the geometric interpretation of the Standard Model based on noncommutative geometry. Neglecting the $S_0$-reality symmetry one may introduce leptoquarks into the model. We give a detailed discussion of the consequences (both for the Connes-Lott and the spectral action) and compare the results with phys... | ['1997-09-02'] |
10,327 | ['eng'] | ['Edelstein, J D'] | ['BPS Solitons and Killing Spinors in Three Dimensional N=2 Supergravity'] | ['Particle Physics - Theory'] | ['talk, La Plata 1997/04/28', 'supergravity', 'dimension, 3', 'soliton', 'fermion, zero mode', 'spinor, Killing', 'astrophysics, fundamental constant'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709008'] | ['In the framework of three dimensional extended supergravity theories, we demonstrate that there exist non-trivial Killing spinors over BPS soliton configurations, even when the space-time is asymptotically conical. We also show that there are no physical fermionic zero modes on these backgrounds. We further generaliz... | ['1997-09-02'] |
10,328 | ['eng'] | ['Ryang, S'] | ['Membrane, Four-Brane and Dual Coordinates in the M(atrix) Theory Compactified on Tori'] | ['Particle Physics - Theory'] | ['M-theory', 'membrane model, p-brane', 'p-brane, 4', 'spontaneous compactification, torus', 'gauge field theory, U(N)', 'dimension, 3', 'dimension, 5', 'coupling constant, gauge', 'quantum mechanics', 'supersymmetry', 'duality'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709006'] | ['In the M(arix) theory by making the expansions of the matrices around the membrane and four-brane solutions we derive the three- and five-dimensional gauge theories on the dual tori. The explicit forms of solutions yield the dual coordinates and each expansion is related to a toroidal compactification of the M(atrix)... | ['1997-09-02'] |
10,329 | ['eng'] | ['Oda, I'] | ['Space-time Uncertainty Principle from Breakdown of Topological Symmetry'] | ['Particle Physics - Theory'] | ['field theory, topological', 'symmetry breaking', 'uncertainty relations', 'string model', 'constraint, conformal', 'matrix model', 'expansion 1/N'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709005'] | ['Starting from topological quantum field theory, we derive space-time uncertainty relation with respect to the time interval and the spatial length proposed by Yoneya through breakdown of topological symmetry in the large N matrix model. This work suggests that the topological symmetry might be an underlying higher sy... | ['1997-09-02'] |
10,330 | ['eng'] | ['Förger, K', 'Stieberger, S'] | ['String Amplitudes and N=2, d=4 Prepotential in Heterotic $K3 x T^2$ Compactifications'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'dimension, 6', 'spontaneous compactification, torus', 'coupling constant', 'scattering amplitude', 'perturbation theory, higher-order', 'moduli space', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709004'] | ['For the gauge couplings, which arise after toroidal compactification of six-dimensional heterotic N=1 string theories from the T^2 torus, we calculate their one-loop corrections. This is performed by considering string amplitudes involving two gauge fields and moduli fields. We compare our results with the equations ... | ['1997-09-02'] |
10,331 | ['eng'] | ['Bering, K'] | ['Geometry of the BFV Theorem'] | ['Particle Physics - Theory'] | ['gauge field theory', 'quantization, Batalin-Vilkovisky', 'transformation, Becchi-Rouet-Stora', 'transformation, reparametrization', 'path integral', 'differential forms, symplectic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709003'] | ['We describe gauge-fixing at the level of virtual paths in the path integral as a non-symplectic BRST-type of flow on the path phase space. As a consequence a gauge-fixed, non-local symplectic structure arises. Restoring of locality is discussed. A pertinent anti-Lie-bracket and an infinite dimensional group of gauge ... | ['1997-09-02'] |
10,332 | ['eng'] | ['Cederwall, Martin', 'Townsend, P K'] | ['The Manifestly Sl(2;Z)-covariant Superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry, superspace', 'field theory, action', 'symmetry, SL(2,Z)', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709002'] | ['We present a manifestly Sl(2;Z)-covariant action for the type IIB superstring, and prove kappa-symmetry for on-shell IIB supergravity backgrounds.'] | ['1997-09-02'] |
10,333 | ['eng'] | ['Marshakov, A V'] | ['Seiberg-Witten Theory, Integrable Systems and D-branes'] | ['Particle Physics - Theory'] | ['talk, Zakopane 1997/06/14', 'talk, Chernogolovka 1997/06/23', 'gauge field theory, SU(2)', 'supersymmetry', 'M-theory', 'membrane model, p-brane', 'integrability', 'string model', 'differential forms'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9709001'] | ['In this note it is demonstrated how the Seiberg-Witten solutions and related integrable systems may arise from certain brane configurations in M-theory. Some subtleties of the formulation of the Seiberg-Witten theory via integrable systems are discussed and interpreted along the lines of general picture os string/M-t... | ['1997-09-02'] |
10,334 | ['eng'] | ['Krichever, I M', 'Phong, D H'] | ['Symplectic forms in the theory of solitons'] | ['Particle Physics - Theory'] | ['dimension, 2', 'soliton', 'Hamiltonian formalism', 'differential equations, Lax', 'differential forms, symplectic', 'energy', 'momentum', 'gauge field theory', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708170'] | ['We develop a Hamiltonian theory for 2D soliton equations. In particular, we identify the spaces of doubly periodic operators on which a full hierarchy of commuting flows can be introduced, and show that these flows are Hamiltonian with respect to a universal symplectic form $ømega={1øver 2}\\r_{\\infty} symplectic fo... | ['1997-09-01'] |
10,335 | ['eng'] | ['Kaloper, N', 'Meissner, K A'] | ['Tailoring T-Duality Beyond the First Loop'] | ['Particle Physics - Theory'] | ['talk, Banff 1997/05/31', 'talk, Calgary 1997/06/05', 'string model', 'duality', 'sigma model, correction', 'higher-order, 2', 'effective action', 'torsion', 'dimensional reduction', 'Chern-Simons term'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708169'] | ["In this article we review a recent calculation of the two-loop $\\sigma$-model corrections to the T-duality map in string theory. Using the effective action approach, and focusing on backgrounds with a single Abelian isometry, we give the $O(\\alpha')$ modifications of the lowest-order duality transformations. The to... | ['1997-09-01'] |
10,336 | ['eng'] | ['Giveon, Amit', 'Pelc, O'] | ['M Theory, Type IIA String and 4D N=1 SUSY $SU(N_L) X SU(N_R)$ Gauge Theory'] | ['Particle Physics - Theory'] | ['string model', 'gauge field theory, SU(N) x SU(N)', 'supersymmetry', 'M-theory', 'membrane model', 'moduli space', 'quantization, effect', 'vacuum state', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708168'] | ['SU(N_L) X SU(N_R) gauge theories are investigated as effective field theories on D_4 branes in type IIA string theory. The classical gauge configuration is shown to match quantitatively with a corresponding classical U(N_L) X U(N_R) gauge theory. Quantum effects freeze the U(1) gauge factors and turn some parameters ... | ['1997-09-01'] |
10,337 | ['eng'] | ['Watts, G M T'] | ['Conserved charges in the chiral 3-state Potts model'] | ['Particle Physics - Theory'] | ['Potts model, chiral', 'field theory, conformal', 'charge, conservation law', 'current, conservation law', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708167'] | ["We consider the perturbations of the 3-state Potts conformal field theory introduced by Cardy as a description of the chiral 3-state Potts model. By generalising Zamolodchikov's counting argument and by explicit calculation we find new inhomogeneous conserved currents for this theory. We conjecture the existence of a... | ['1997-09-01'] |
10,338 | ['eng'] | ['Stanciu, S'] | ['D-branes in Kazama-Suzuki Models'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'supersymmetry', 'coset space', 'duality', 'string model', 'Kazama-Suzuki model', 'boundary condition', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708166'] | ['We investigate boundary states of D-branes wrapped around supersymmetric cycles in Kazama-Suzuki models. We comment on the link with the geometry of the coset space and discuss how T-duality maps between these boundary states.'] | ['1997-09-01'] |
10,339 | ['eng'] | ['Zimmerschied, F', 'Tchrakian, D H', 'Müller-Kirsten, H J W'] | ['Skyrme Sphalerons of an O(3)-$\\sigma$ Model and the Calculation of Transition Rates at Finite Temperature'] | ['Particle Physics - Theory'] | ['sigma model, O(3)', 'Skyrme model', 'field equations, sphaleron', 'energy, static', 'saddle-point approximation', 'critical phenomena, finite temperature', 'zero mode', 'space-time, Euclidean', 'vacuum state, fluctuation', 'path integral', 'numerical calculations', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708165'] | ['The reduced O(3)-sigma model with an O(3)->O(2) symmetry breaking potential is considered with an additional Skyrmionic term, i.e. a totally antisymmetric quartic term in the field derivatives. This Skyrme term does not affect the classical static equations of motion which, however, allow an unstable sphaleron soluti... | ['1997-09-01'] |
10,340 | ['eng'] | ['Ferrara, Sergio'] | ['Duality, Strings and Supergravity'] | ['Particle Physics - Theory'] | ['talk, Brisbane 1997/07/13', 'duality', 'string model', 'supergravity', 'M-theory', 'supersymmetry', 'black hole, entropy', 'coupling, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708164'] | ["We will report on recent advances in the understanding of non-perturbative interconnections between different string dualities.Weak-strong coupling duality (S-duality) and T-duality (symmetry under compactification on dual tori) allows one to compare and explore the strong coupling regime of seemingly unrelated theor... | ['1997-09-01'] |
10,341 | ['eng'] | ['Avramidi, I G', 'Esposito, G'] | ['Lack of strong ellipticity in Euclidean quantum gravity'] | ['Particle Physics - Theory'] | ['quantum gravity', 'field theory, Euclidean', 'boundary condition', 'invariance, diffeomorphism', 'perturbation theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708163'] | ['Recent work in Euclidean quantum gravity has studied boundary conditions which are completely invariant under infinitesimal diffeomorphisms on metric perturbations. On using the de Donder gauge-averaging functional, this scheme leads to both normal and tangential derivatives in the boundary conditions. In the present... | ['1997-09-01'] |
10,342 | ['eng'] | ['Kim, C H', 'Park, Y J'] | ['Superalgebraic Truncations from D=10, N=2 Chiral Supergravity'] | ['Particle Physics - Theory'] | ['supergravity, chiral', 'dimension, 10', 'supersymmetry, algebra', 'algebra, SU(8/1)', 'algebra, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708162'] | ['We study ten-dimensional N=2 maximal chiral supergravity in the context of Lie superalgebra SU(8/1). The possible successive superalgebraic truncations from ten dimensional N=2 chiral theory to the lower dimensional supergravity theories are systematically realized as sub-superalgebraic chains of SU(8/1) by using the... | ['1997-09-01'] |
10,343 | ['eng'] | ['Fujisaki, H', 'Sano, S', 'Nakagawa, K'] | ['Thermofield Dynamics of the Heterotic String'] | ['Particle Physics - Theory'] | ['talk, Tokyo 1997/11/11', 'string model, heterotic', 'dimension, 10', 'finite temperature', 'astrophysics, fundamental constant', 'infrared problem', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708161'] | ['The thermofield dynamics of the $D = 10$ heterotic thermal string theory is exemplified at any finite temperature through the infrared behaviour of the one-loop cosmological constant in proper reference to the thermal duality symmetry in association with the global phase structure of the thermal string ensemble.'] | ['1997-09-01'] |
10,344 | ['eng'] | ['Eholzer, W', 'Fehér, L', 'Honecker, A'] | ['Ghost Systems'] | ['Particle Physics - Theory'] | ['fermion, ghost', 'boson, ghost', 'operator, vertex', 'operator, algebra', 'tensor, energy-momentum', 'operator product expansion', 'algebra, W(N)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708160'] | ['Fermionic and bosonic ghost systems are defined each in terms of a single vertex algebra which admits a one-parameter family of conformal structures. The observation that these structures are related to each other provides a simple way to obtain character formulae for a general twisted module of a ghost system. The U... | ['1997-09-01'] |
10,345 | ['eng'] | ['Tatar, L', 'Tatar, R'] | ['Koszul-Tate Cohomology For an Sp(2)-Covariant Quantization of Gauge Theories with Linearly Dependent Generators'] | ['Particle Physics - Theory'] | ['gauge field theory', 'quantization, Batalin-Vilkovisky', 'quantization, constraint', 'antifield', 'transformation, Becchi-Rouet-Stora', 'invariance, Sp(2)', 'field theory, topological'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708159'] | ['The anti-BRST transformation, in its Sp(2)-symmetric version, for the general case of any stage-reducible gauge theories is implemented in the usual BV approach. This task is accomplished not by duplicating the gauge symmetries but rather by duplicating all fields and antifields of the theory and by imposing the acyc... | ['1997-08-29'] |
10,346 | ['eng'] | ['Briginshaw, J A'] | ['Effective action of quantum fields in the space-time of a cylindrically symmetric spinning body'] | ['Particle Physics - Theory'] | ['space-time', 'boundary condition', 'field theory, scalar', 'propagator', 'heat kernel', 'analytic properties', 'operator, determinant', 'renormalization', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708158'] | ['The aim of this article is to calculate (to first order in $\\hbar$) the renormalized effective action of a self interacting massive scalar field propagating in the space-time due to a cylindrically symmetric, rotating body. The vacuum (exterior space-time) contribution is model independent, we also consider the simp... | ['1997-08-29'] |
10,347 | ['eng'] | ['Ivashchuk, V D', 'Melnikov, V N'] | ['Multidimensional Classical and Quantum Cosmology with Intersecting p-branes'] | ['Particle Physics - Theory'] | ['astrophysics', 'quantum cosmology', 'membrane model, p-brane', 'field theory, scalar', 'Wheeler-DeWitt equation', 'sigma model', 'supergravity', 'minisuperspace', 'lattice, Toda', 'Einstein equation', 'space-time, higher-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708157'] | ['Multidimensional cosmological model describing the evolution of n+1 Einstein spaces in the theory with several scalar fields and forms is considered. When a (electro-magnetic composite) p-brane Ansatz is adopted the field equations are reduced to the equations for Toda-like system. The Wheeler-De Witt equation is obt... | ['1997-08-29'] |
10,348 | ['eng'] | ['Ni, G J'] | ['Relativistic Stationary Schrödinger Equation for Many Particle System and Its Applications'] | ['Particle Physics - Theory'] | ['many-body problem', 'Schroedinger equation, relativistic', 'particle antiparticle, transformation', 'quarkonium, beauty', 'quarkonium, charm', 'quarkonium, mass', 'quarkonium, energy levels', 'numerical calculations, interpretation of experiments'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708156'] | ['Basing on the fundamental symmetry that the space-time inversion is equivalent to particle-antiparticle transformation, a relativistic modification on the stationary Schrodinger equation for many-particle system is made. The eigenvalue in the center of mass system is no longer equal to the negative of binding energy ... | ['1997-08-29'] |
10,349 | ['eng'] | ['Ni, G', 'Chen, S'] | ['Effective Potential of $\\lambda\\phi^{4}_{1+3}$ at Zero and Finite Temperature'] | ['Particle Physics - Theory'] | ['phi**n model, 4', 'effective potential', 'regularization', 'mass, renormalization', 'propagator', 'temperature', 'symmetry breaking, chiral', 'finite temperature', 'correction, higher-order', 'fermion, coupling'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708155'] | ['The effective potential of $\\lambda\\phi^4_{1+3}$ model with both sign of parameter $m^2$ is evaluated at T=0 by means of a simple but effective method for regularization and renormalization. Then at $T\\ne 0$, the effective potential is evaluated in imaginary time Green Function approach, using the Plana formula. A... | ['1997-08-29'] |
10,350 | ['eng'] | ['Copeland, E J', 'Lidsey, J E', 'Wands, D'] | ['Cosmology of the type IIB superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'astrophysics, model', 'dimensional reduction, torus', 'axion', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708154'] | ['The continuous and discrete symmetries of a dimensionally reduced type IIB superstring action are employed to generate four-dimensional cosmological solutions with non-trivial Neveu-Schwarz/Neveu-Schwarz and Ramond-Ramond form-fields from the dilaton-moduli-vacuum solutions.'] | ['1997-08-29'] |
10,351 | ['eng'] | ['Copeland, E J', 'Lidsey, J E', 'Wands, D'] | ['Four-dimensional Dual Effective Action for the Type IIB Superstring'] | ['Particle Physics - Theory'] | ['string model', 'supersymmetry', 'effective action', 'duality', 'spontaneous compactification, torus', 'axion', 'symmetry, Z(2)', 'symmetry, SL(2,R)', 'current, conservation law'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708153'] | ['We investigate the symmetry properties of a dual action derived by compactifying the effective action of the type IIB superstring on an isotropic six-torus. We show how the Neveu/Schwarz-Neveu/Schwarz and Ramond-Ramond three-form field strengths are dual to the gradients of two coupled pseudo-scalar axion fields. Thi... | ['1997-08-29'] |
10,352 | ['eng'] | ['De van Ven, A E M'] | ['Index-free Heat Kernel Coefficients'] | ['Particle Physics - Theory'] | ['heat kernel', 'asymptotic expansion', 'Fock-Schwinger gauge', 'space-time', 'gauge field theory, any-dimensional'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708152'] | ["Using index-free notation, we present the diagonal values of the first five heat kernel coefficients associated with a general Laplace-type operator on a compact Riemannian space without boundary. The fifth coefficient appears here for the first time. For a flat space with a gauge connection, the sixth coefficient is... | ['1997-08-29'] |
10,353 | ['eng'] | ['Klishevich, S M'] | ['On redefinitions of variables in gauge field theory'] | ['Particle Physics - Theory'] | ['gauge field theory, massive', 'spin, 2', 'spin, 3', 'Hamiltonian formalism, constraint'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708151'] | ['In this paper, for massive fields of spins 2 and 3 with non-canonical Lagrangians, we build Hamiltonians and full systems of constraints and show that the use of derivatives in a redefinition of fields can give rise to a change of number of physical degrees of freedom.'] | ['1997-08-29'] |
10,354 | ['eng'] | ['Klishevich, S M', 'Zinoviev, Yu M'] | ['On electromagnetic interaction of massive spin-2 particle'] | ['Particle Physics - Theory'] | ['particle, massive', 'spin, 2', 'invariance, gauge', 'approximation, linear', 'Lagrangian formalism', 'electromagnetic interaction', 'electromagnetic field, external field'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708150'] | ['In this work we construct a gauge invariant description of free massive particle with an arbitrary integer spin. Such description allows one to investigate the problem of consistent interactions for massive high spin particles using the requirement that the whole interaction Lagrangian must be gauge invariant. As a f... | ['1997-08-29'] |
10,355 | ['eng'] | ['Bak, D', 'Lee, C', 'Lee, K'] | ['Dynamics of BPS Dyons'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'Higgs model', 'field equations, nonlinear', 'dyon', 'duality', 'moduli space, monopole', 'symmetry, spontaneously broken', 'effective Lagrangian', 'W'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708149'] | ['Based on a detailed analysis of nonlinear field equations of the SU(2) Yang-Mills-Higgs system, we obtain the effective field theory describing low-energy interaction of BPS dyons and massless particles (i.e., photons and Higgs particles). Our effective theory manifests electromagnetic duality and spontaneously broke... | ['1997-08-29'] |
10,356 | ['eng'] | ['Callan, C G', 'Maldacena, J M'] | ['Brane Death and Dynamics From the Born-Infeld Action'] | ['Particle Physics - Theory'] | ['Born-Infeld model', 'membrane model, D-brane', 'string model', 'boundary condition', 'S-matrix', 'soliton'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708147'] | ["We use the abelian Born-Infeld action for the worldvolume gauge field and transverse displacement scalars to explore new aspects of D-brane structure and dynamics. We study several classic gauge field configurations, including point charges in any worldvolume dimension and vortices in two worldvolume dimensions, and ... | ['1997-08-28'] |
10,357 | ['eng'] | ['Scoccola, N N', 'Bes, D R'] | ['Baby skyrmions on the sphere'] | ['Particle Physics - Theory'] | ['Skyrme model', 'dimension, 2', 'sphere', 'Skyrmion, density', 'field equations, solution', 'soliton', 'sigma model, O(3)', 'Hall effect', 'numerical calculations'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708146'] | ['We study a model for two-dimensional skyrmions on a sphere of radius L. Such model simulates a skyrmion lattice of density W/(2 \\pi L^2), where W is the skyrmion winding number. We show that, to a very good approximation, physical results depend only on the product \\alpha L^4, where \\alpha is the strength of poten... | ['1997-08-28'] |
10,358 | ['eng'] | ['Gates, S J'] | ['Can Pions "Smell" 4D, N = 1 Supersymmetry?'] | ['Particle Physics - Theory'] | ['talk, Tomsk 1997/07/28', 'supersymmetry', 'pi, effective action', 'perturbation theory, chiral', 'quantum chromodynamics', 'string model', 'Wess-Zumino term', 'pi, octet', 'symmetry, SU(3) x SU(3)'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708143'] | ['We show how the usual chiral perturbation theory description of phenomenological pion physics admits an interpretation as a low-energy string-like model associated with QCD. By naive and straightforward generalization within the context of a new class of supersymmetrical models, it is shown that this string-like stru... | ['1997-08-28'] |
10,359 | ['eng'] | ['Breckenridge, J C'] | ['Black Holes in String Theory'] | ['Particle Physics - Theory'] | ['talk, Calgary 1997/06/05', 'string model, heterotic', 'spontaneous compactification', 'effective action', 'symmetry, O(N,N)', 'duality', 'black hole', 'field equations, solution'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708142'] | ["The black hole solutions to Einstein's vacuum field equations are also solutions to the equations of motion of the low energy limit of superstring theory. At the same time, string theory boasts a much broader and richer collection of black hole solutions. Fortunately, string theories also possess a remarkable set of ... | ['1997-08-28'] |
10,360 | ['eng'] | ['Fuchs, J', 'Schweigert, C'] | ['A classifying algebra for boundary conditions'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'boundary condition', 'invariance, modular', 'algebra, fusion'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708141'] | ['We introduce a finite-dimensional algebra that controls the possible boundary conditions of a conformal field theory. For theories that are obtained by modding out a Z_2 symmetry (corresponding to a so-called D_odd-type, or half-integer spin simple current, modular invariant), this classifying algebra contains the fu... | ['1997-08-28'] |
10,361 | ['eng'] | ['Batalin, I A', 'Bering, K', 'Damgaard, P H'] | ['Superfield Quantization'] | ['Particle Physics - Theory'] | ['quantization, constraint', 'Hamiltonian formalism, transformation', 'operator, algebra', 'supersymmetry, superfield', 'transformation, Becchi-Rouet-Stora', 'path integral', 'phase space', 'field equations', 'invariance, gauge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708140'] | ['We present a superfield formulation of the quantization program for theories with first class constraints. An exact operator formulation is given, and we show how to set up a phase-space path integral entirely in terms of superfields. BRST transformations and canonical transformations enter on equal footing, and they... | ['1997-08-28'] |
10,362 | ['eng'] | ['Nojiri, S', 'Odintsov, S D'] | ['Trace Anomaly Induced Effective Action and Hawking Radiation for 2d Dilatonic Supergravity'] | ['Particle Physics - Theory'] | ['supergravity', 'dilaton', 'dimension, 2', 'anomaly, conformal', 'effective action, induced', 'expansion 1/N', 'black hole', 'radiation, Hawking'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708139'] | ['We construct the theory of 2d dilatonic supergravity(SG) with matter and dilaton supermultiplets coupled to dilaton functions. Trace anomaly and induced effective action for matter supermultiplet are calculated (what gives also large-N effective action for dilatonic SG). Study of black holes and Hawking radiation whi... | ['1997-08-28'] |
10,363 | ['eng'] | ['Chandia, O', 'Zanelli, J'] | ['Torsional Topological Invariants (and their relevance for real life)'] | ['Particle Physics - Theory'] | ['talk, La Plata 1997/04/28', 'gauge field theory, SO(N)', 'gauge field theory, SU(N)', 'space-time', 'charge, topological', 'torsion', 'fibre bundle', 'anomaly, chiral'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708138'] | ['The existence of topological invariants analogous to Chern/Pontryagin classes for a standard $SO(D)$ or SU(N) connection, but constructed out of the torsion tensor, is discussed. These invariants exhibit many of the features of the Chern/Pontryagin invariants: they can be expressed as integrals over the manifold of l... | ['1997-08-27'] |
10,364 | ['eng'] | ['Ho, P M', 'Wu, Y S'] | ['Brane Creation in M(atrix) Theory'] | ['Particle Physics - Theory'] | ['field theory, M-theory', 'matrix model', 'fermion, zero mode', 'membrane model, p-brane', 'p-brane, 5', 'quantization, 2', 'effective potential'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708137'] | ['We discuss, in the context of M(atrix) theory, the creation of a membrane suspended between two longitudinal five-branes when they cross each other. It is shown that the membrane creation originates from the degrees of freedom in the off-diagonal blocks which are related via dualities to the chiral fermionic zero mod... | ['1997-08-27'] |
10,365 | ['eng'] | ['Bytsenko, A A', 'Gonçalves, A E', 'Odintsov, S D'] | ['Brane-Black Hole Correspondence and Asymptotics of Quantum Spectrum'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'quantization', 'approximation, quasiclassical', 'soliton', 'phase space', 'black hole'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708136'] | ['We discuss the asymptotic properties of quantum states density for fundamental (super) membrane in the semiclassical approach. The matching of BPS part of spectrum for superstring and supermembrane gives the possibility to get stringy results via membrane calculations and vice versa. The brane-black hole corresponden... | ['1997-08-27'] |
10,366 | ['eng'] | ['LeClair, A', 'Ludwig, A W W'] | ['Minimal Models with Integrable Local Defects'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'dimension, 2', 'integrability', 'perturbation theory', 'central charge', 'topology, defect', 'scattering', 'boundary condition'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708135'] | ['We describe a general way of constructing integrable defect theories as perturbations of conformal field theory by local defect operators. The method relies on folding the system onto a boundary field theory of {\\it twice} the central charge. The classification of integrable defect theories obtained in this way para... | ['1997-08-26'] |
10,367 | ['eng'] | ['Lykken, J D', 'Poppitz, E R', 'Trivedi, S P'] | ['Chiral Gauge Theories from D-Branes'] | ['Particle Physics - Theory'] | ['membrane model, D-brane', 'membrane model, p-brane', 'p-brane, 5', 'p-brane, 4', 'field theory, orbifold', 'gauge field theory, Yang-Mills', 'fermion, chiral', 'space-time', 'field theory, M-theory', 'moduli space'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708134', 'http://www-lib.fnal.gov/archive/1997/pub/Pub-97-295-T.html'] | ['We construct brane configurations leading to chiral four dimensional N=1 supersymmetric gauge theories. The brane realizations consist of intersecting Neveu-Schwarz five-branes and Dirichlet four-branes in non-flat spacetime backgrounds. We discuss in some detail the construction in a C^2/Z_M orbifold background. The... | ['1997-08-26'] |
10,368 | ['eng'] | ['Mazur, P O'] | ['Gravitation as a Many Body Problem'] | ['Particle Physics - Theory'] | ['talk, Balholm 1997/04/29', 'gravitation', 'mechanics', 'many-body problem', 'operator', 'inverse scattering method', 'Yang-Baxter equation, R-matrix', 'Schroedinger equation', 'integrability'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708133'] | ['The idea of viewing gravitation as a many body phenomenon is put forward here. Physical arguments supporting this idea are briefly reviewed. The basic mathematical object of the new gravitational mechanics is a matrix of operators. Striking similarity of the method of R-matrix (QISM) to the mathematical formulation o... | ['1997-08-26'] |
10,369 | ['eng'] | ['Hauer, T'] | ['Systematic proof of the existence of Yangian symmetry in chiral Gross-Neveu models'] | ['Particle Physics - Theory'] | ['Gross-Neveu model, chiral', 'charge, nonlocal', 'operator product expansion', 'renormalization group', 'symmetry, SU(N)', 'group theory, representation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708132'] | ["Existence of non-local charges generating Yangian symmetry is discussed in generalized chiral Gross-Neveu models. The question of the conservation of these charges can always be answered by applying a finite order perturbative computation. The number of loops needed is explicitly given in terms of group theoretic con... | ['1997-08-26'] |
10,370 | ['eng'] | ['Pasquinucci, A', 'Petrini, M'] | ['On the Compton scattering in string theory'] | ['Particle Physics - Theory'] | ['string model, heterotic', 'photon electron, Compton scattering', 'scattering amplitude', 'perturbation theory, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708131'] | ["We explicitly compute the Compton amplitude for the scattering of a photon and a (massless) ``electron/positron'' at tree level and one loop, in a four-dimensional fermionic heterotic string model. We comment on the relationship between the amplitudes we compute in string theory and the corresponding ones in field th... | ['1997-08-26'] |
10,371 | ['eng'] | ['Kiritsis, Elias B'] | ['Introduction to Non-perturbative String Theory'] | ['Particle Physics - Theory'] | ['lectures, La Plata 1997/05', 'string model, heterotic', 'gauge field theory, SO(32)', 'gauge field theory, E(8) x E(8)', 'nonperturbative', 'spontaneous compactification, torus', 'field theory, tensor', 'membrane model, p-brane', 'membrane model, D-brane', 'membrane model, interaction', 'soliton', 'bound state', 'fie... | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708130'] | ['These are a set of lectures presented at the CERN-La Plata-Santiago de Compostella School of Physics, La Plata, May 1997. A brief introduction to the non-perturbative structure of string theory is presented. Various non-perturbative dualities in ten and six dimensions as well as D-branes are discussed.'] | ['1997-08-26'] |
10,372 | ['eng'] | ['Arutyunov, G E', 'Frolov, S A'] | ['Virasoro amplitude from the $S^{N}R^{24}$ orbifold sigma model'] | ['Particle Physics - Theory'] | ['sigma model, nonlinear', 'dimension, 2', 'field theory, orbifold', 'correlation function', 'S-matrix', 'operator product expansion', 'analytic properties'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708129'] | ['Four tachyon scattering amplitude is derived from the $S^N\\R^{24}$ orbifold sigma model in the large $N$ limit. The closed string interaction is described by a vertex which is a bosonic analog of the supersymmetric one, recently proposed by Dijkgraaf, Verlinde and Verlinde.'] | ['1997-08-26'] |
10,373 | ['eng'] | ['Esposito, G'] | ['Spectral Geometry and Quantum Gravity'] | ['Particle Physics - Theory'] | ['talk, Tomsk 1997/07/28', 'quantum gravity', 'operator, determinant', 'boundary condition', 'asymptotic expansion', 'heat kernel'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708128'] | ['Recent progress in quantum field theory and quantum gravity relies on mixed boundary conditions involving both normal and tangential derivatives of the quantized field. In particular, the occurrence of tangential derivatives in the boundary operator makes it possible to build a large number of new local invariants. T... | ['1997-08-26'] |
10,374 | ['eng'] | ['Ahn, C', 'Oh, K', 'Tatar, R'] | ['$Sp(N_{c})$ Gauge Theories and M Theory Fivebrane'] | ['Particle Physics - Theory'] | ['gauge field theory, Sp(N)', 'M-theory', 'membrane model, p-brane', 'p-brane, 5', 'moduli space', 'supersymmetry, symmetry breaking', 'multiplet', 'singularity', 'matter', 'meson'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708127'] | ['We analyze M theory fivebrane in order to study the moduli space of vacua of N=1 supersymmetric Sp(N_c) gauge theories with N_f flavors in four dimensions. We show how the N=2 Higgs branch can be encoded in M theory by studying the orientifold which plays a crucial role in our work. When all the quark masses are the ... | ['1997-08-26'] |
10,375 | ['eng'] | ['Knutt-Wehlau, M E', 'Mann, R B'] | ['Supergravity from a Massive Superparticle and the Simplest Super Black Hole'] | ['Particle Physics - Theory'] | ['supergravity', 'dilaton', 'dimension, 2', 'particle, massive', 'black hole', 'superspace', 'gauge, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708126'] | ['We describe in superspace a theory of a massive superparticle coupled to a version of two dimensional N=1 dilaton supergravity. The (1+1) dimensional supergravity is generated by the stress-energy of the superparticle, and the evolution of the superparticle is reciprocally influenced by the supergravity. We obtain ex... | ['1997-08-26'] |
10,376 | ['eng'] | ['Halpern, K'] | ['Cross Section and Effective Potential in Asymptotically Free Scalar Field Theories'] | ['Particle Physics - Theory'] | ['field theory, scalar', 'scattering amplitude', 'cross section', 'effective potential', 'renormalization', 'scaling', 'radiative correction', 'symmetry breaking', 'potential, nonpolynomial'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708124'] | ['In an effort to understand the physical implications of the newly discovered non-trivial directions in scalar field theory, we compute lowest order scattering amplitudes, cross sections, and the 1-loop effective potential. To lowest order, the primary effect of the nonpolynomial nature of the theories is a renormaliz... | ['1997-08-26'] |
10,377 | ['eng'] | ['Itoyama, H', 'Tokura, A'] | ['USp(2k) Matrix Model'] | ['Particle Physics - Theory'] | ['matrix model', 'symmetry, USp(N)', 'dimension, 0', 'spontaneous compactification', 'dimension, 12', 'dimension, 4', 'supersymmetry, superfield', 'supersymmetry, multiplet'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708123'] | ['We present a zero dimensional matrix model based on USp(2k) with supermultiplets in symmetric, antisymmetric and fundamental representations. The four dimensional compactification of this model naturally captures the exact results of Sen in F theory. Naive counting tells that the model describes twelve spacetime dime... | ['1997-08-26'] |
10,378 | ['eng'] | ['Evans, N', 'Schwetz, M'] | ['The Field Theory of Non-Supersymmetric Brane Configurations'] | ['Particle Physics - Theory'] | ['membrane model', 'supersymmetry', 'symmetry breaking', 'string model', 'string tension', 'M-theory', 'gauge field theory, SU(N)', 'approximation, quasiclassical'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708122'] | ['We identify the 4D field theories living on the world volume of D4 branes in non-supersymmetric type IIA string theory constructions. They are softly broken N=2 SQCD with the breakings introduced through vevs of the auxilliary fields in the spurion coupling field. Exact solutions of these theories for perturbing soft... | ['1997-08-25'] |
10,379 | ['eng'] | ['Gosselin, P', 'Polonyi, J'] | ['Path Integral for Relativistic Equations of Motion'] | ['Particle Physics - Theory'] | ['Klein-Gordon equation, solution', 'Dirac equation, solution', 'path integral', 'approximation, nonrelativistic', 'fermion, massless', 'fermion, massive', 'propagator', 'scaling', 'Foldy-Wouthuysen transformation', 'renormalization group'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708121'] | ['A c-number path integral representation is given for the solution of the Klein-Gordon and the Dirac equations. The trajectories of the path integral are rendered differentiable by the relativistic corrections. The nonrelativistic limit is briefly discussed from the point of view of the renormalization group.'] | ['1997-08-25'] |
10,380 | ['eng'] | ['Bántay, P'] | ['Characters and modular properties of permutation orbifolds'] | ['Particle Physics - Theory'] | ['field theory, conformal', 'field theory, rational', 'dimension, 2', 'field theory, orbifold', 'moduli space', 'symmetry, discrete'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708120'] | ['Explicit formulae describing the genus one characters and modular transformation properties of permutation orbifolds of arbitrary Rational Conformal Field Theories are presented, and their relation to the theory of covering surfaces is investigated.'] | ['1997-08-25'] |
10,381 | ['eng'] | ['Porrati, Massimo', 'Rozenberg, A'] | ['Bound States at Threshold in Supersymmetric Quantum Mechanics'] | ['Particle Physics - Theory'] | ['quantum mechanics', 'supersymmetry', 'threshold', 'bound state', 'cohomology', 'approximation, adiabatic', 'string model', 'membrane model', 'ground state', 'gauge field theory, SU(N)', 'monopole', 'perturbation'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708119'] | ['We propose a general method that allows to detect the existence of normalizable ground states in supersymmetric quantum mechanical systems with non-Fredholm spectrum. This method does not require any assumption about the spectrum of nonzero energy states (or non-normalizable states). We apply our method to show the e... | ['1997-08-25'] |
10,382 | ['eng'] | ['Landsteiner, K', 'López, E'] | ['New Curves from Branes'] | ['Particle Physics - Theory'] | ['string model', 'membrane model, p-brane', 'M-theory', 'orientifold', 'Riemann surfaces', 'supersymmetry', 'gauge field theory, SU(N) x SO(M)', 'gauge field theory, SU(N) x Sp(N)', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708118'] | ['We consider configurations of Neveu-Schwarz fivebranes, Dirichlet fourbranes and an orientifold sixplane in type IIA string theory. Upon lifting the configuration to M-theory and proposing a description of how to include the effects of the orientifold sixplane we derive the curves describing the Coulomb branch of N=2... | ['1997-08-25'] |
10,383 | ['eng'] | ['Intriligator, K'] | ['New String Theories in Six Dimensions via Branes at Orbifold Singularities'] | ['Particle Physics - Theory'] | ['string model', 'dimension, 6', 'singularity, orbifold', 'membrane model, p-brane', 'p-brane, 5', 'multiplet, tensor', 'duality', 'symmetry, E(8)x E(8)', 'symmetry, SO(32)', 'spontaneous compactification', 'matrix model'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708117'] | ['We present several classes of new 6d string theories which arise via branes at orbifold singularities. They have compact moduli spaces, associated with tensor multiplets, given by Weyl alcoves of non-Abelian groups. We discuss T-duality and Matrix model applications upon compactification.'] | ['1997-08-22'] |
10,384 | ['eng'] | ['Papadopoulos, G J', 'Teschendorff, A'] | ['Instantons at Angles'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(2)', 'instanton', 'dimension, 4', 'field theory, higher-dimensional', 'sigma model', 'dimension, 2', 'supersymmetry'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708116'] | ['We find solutions of the Yang-Mills field equations with gauge group SU(2) in 4k dimensions which have the interpretation of four-dimensional instantons at angles. These configurations satisfy a BPS-like condition which arises in the context of two-dimensional (4,0)-supersymmetric sigma models. Moreover we show that ... | ['1997-08-22'] |
10,385 | ['eng'] | ['Dalley, S'] | ['Adjoint $QCD_2$ and the Non-Abelian Schwinger Mechanism'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'dimension, 2', 'fermion, Majorana', 'Schwinger model', 'expansion 1/N, color', 'screening', 'fermion, representation', 'gluon, vacuum polarization'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708115'] | ['Massless Majorana fermions in the adjoint representation of SU(N_c) are expected to screen gauge interactions in 1+1 dimensions, analogous to a similar Higgs phenomena known for 1+1-dimensional U(1) gauge theory with massless fundamental fermions (Schwinger model). Using the light-cone formalism and large-N_c limit, ... | ['1997-08-22'] |
10,386 | ['eng'] | ['Kundu, A'] | ['Quantum Integrable Systems'] | ['Particle Physics - Theory'] | ['talk, Gauhati 1996/12/26', 'integrability', 'operator, Lax', 'Bethe ansatz', 'universality', 'algebra, Hopf', 'field theory, conformal'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708114'] | ['An overview of the quantum integrable systems (QIS) is presented. Basic concepts of the theory are highlighted stressing on the unifying algebraic properties, which not only helps to generate systematically the representative Lax operators of different models, but also solves the related eigenvalue problem in an almo... | ['1997-08-22'] |
10,387 | ['eng'] | ['Sannino, F', 'Schechter, J'] | ['Toy Model for Breaking Super Gauge Theories at the Effective Lagrangian Level'] | ['Particle Physics - Theory'] | ['gauge field theory, SU(N)', 'quantum chromodynamics', 'supersymmetry, symmetry breaking', 'effective Lagrangian', 'squark', 'gluino', 'sparticle, decoupling', 'U(1) problem', 'charge, axial', 'potential', 'bibliography'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708113'] | ['We propose a toy model to illustrate how the effective Lagrangian for super QCD might go over to the one for ordinary QCD by a mechanism whereby the gluinos and squarks in the fundamental theory decouple below a given supersymmetry breaking scale $m$. The implementation of this approach involves a suitable choice of ... | ['1997-08-22'] |
10,388 | ['eng'] | ['Faraggi, A E'] | ['Toward the classification of the realistic free fermionic models'] | ['Particle Physics - Theory'] | ['string model', 'fermion', 'boundary condition', 'symmetry, mirror', 'supersymmetry', 'Higgs particle, multiplet', 'coupling, Yukawa', 'symmetry breaking', 'matter, exotic'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708112'] | ['The realistic free fermionic models have had remarkable success in providing plausible explanations for various properties of the Standard Model which include the natural appearance of three generations, the explanation of the heavy top quark mass and the qualitative structure of the fermion mass spectrum in general,... | ['1997-08-22'] |
10,389 | ['eng'] | ['Oliveira-Pires, G'] | ["Scalar-QED $\\beta$-functions near Planck's Scale"] | ['Particle Physics - Theory'] | ['quantum electrodynamics, scalar', 'renormalization group, beta function', 'effective action', 'gravitation', 'threshold'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708111'] | ["The Renormalization Group Flow Equations of the Scalar-QED model near Planck's scale are computed within the framework of the average effective action. Exact Flow Equations, corrected by Einstein Gravity, for the running self-interacting scalar coupling parameter and for the running v.e.v. of solutions are given in t... | ['1997-08-21'] |
10,390 | ['eng'] | ['Haagensen, P E'] | ['Duality and the Renormalization Group'] | ['Particle Physics - Theory'] | ['talk, Zakopane 1997/06/14', 'duality, transformation', 'renormalization group', 'sigma model', 'dimension, 2', 'background, higher-dimensional', 'torsion', 'beta function', 'effective action', 'anomaly, Weyl', 'perturbation theory, higher-order', 'higher-order, 2'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708110'] | ['The requirement that duality and renormalization group transformations commute as motions in the space of a theory has recently been explored to extract information about the renormalization flows in different statistical and field theoretical systems. After a review of what has been accomplished in the context of 2d... | ['1997-08-21'] |
10,391 | ['eng'] | ['Lü, H', 'Pope, C N', 'Stelle, Kellogg S'] | ['Multiplet Structures of BPS Solitons'] | ['Particle Physics - Theory'] | ['supergravity, any-dimensional', 'membrane model, p-brane', 'multiplet, soliton', 'group theory, orbit', 'coset space', 'differential forms', 'duality', 'charge'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708109'] | ['There exist simple single-charge and multi-charge BPS p-brane solutions in the D-dimensional maximal supergravities. From these, one can fill out orbits in the charge vector space by acting with the global symmetry groups. We give a classification of these orbits, and the associated cosets that parameterise them.'] | ['1997-08-21'] |
10,392 | ['eng'] | ['Köhler, C'] | ['Geometric Classification of Topological Quantum Phases'] | ['Particle Physics - Theory'] | ['Aharonov-Bohm effect', 'Aharonov-Casher effect', 'electromagnetic field', 'gravitation', 'topology, defect', 'model, geometrical', 'space-time, higher-dimensional', 'differential geometry', 'holonomy', 'gauge field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708106'] | ['On the basis of the principle that topological quantum phases arise from the scattering around space-time defects in higher dimensional unification, a geometric model is presented that associates with each quantum phase an element of a transformation group.'] | ['1997-08-21'] |
10,393 | ['eng'] | ['Vecchia, P D'] | ['A unique theory of all forces'] | ['Particle Physics - Theory'] | ['talk, Balholm 1997/04/29', 'quantum gravity', 'string model', 'supersymmetry', 'dimension, 10', 'dimension, 11', 'M-theory', 'unified field theory'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708105'] | ['In discussing the construction of a consistent theory of quantum gravity unified with the gauge interactions we are naturally led to a string theory. We review its properties and the five consistent supersymmetric string theories in ten dimensions. We finally discuss the evidence that these theories are actually spec... | ['1997-08-21'] |
10,394 | ['eng'] | ['Yang, J'] | ['Finite quantum field theory from a natural postulate'] | ['Particle Physics - Theory'] | ['field theory, finite', 'regularization', 'infrared problem', 'Feynman graph, higher-order'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708104'] | ['An attempt is demonstrated that QFT can be UV finite based on a natural postulate together with two technical observations on the Feynman graphs. Its important implications are sketched.'] | ['1997-08-21'] |
10,395 | ['eng'] | ['Sabra, W A'] | ['General BPS Black Holes In Five Dimensions'] | ['Particle Physics - Theory'] | ['black hole, static', 'dimension, 5', 'supergravity', 'M-theory', 'entropy', 'multiplet, vector', 'horizon', 'spontaneous compactification, Calabi-Yau'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708103'] | ['We construct general static black hole configuration for the theory of N=2, d=5 supergravity coupled to an arbitrary number of Abelian vector multiplets. The underlying very special geometry structure plays a major role in this construction. From the viewpoint of M-theory compactified on a Calabi-Yau threefold, these... | ['1997-08-20'] |
10,396 | ['eng'] | ['Dalvit, D A R', 'Mazzitelli, F D'] | ['Geodesics, gravitons and the gauge fixing problem'] | ['Particle Physics - Theory'] | ['gravitation', 'graviton', 'gauge fixing', 'back reaction', 'effective action', 'quantization, correction'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708102'] | ['When graviton loops are taken into account, the background metric obtained as a solution to the one-loop corrected Einstein equations turns out to be gauge fixing dependent. Therefore it is of no physical relevance. Instead we consider a physical observable, namely the trajectory of a test particle in the presence of... | ['1997-08-20'] |
10,397 | ['eng'] | ['Lin, S Y', 'Ng, K W'] | ['Generalized Scale Invariant Gravity'] | ['Particle Physics - Theory'] | ['gravitation', 'scaling, invariance', 'field theory, scalar', 'field theory, tensor', 'quantization, correction', 'symmetry breaking', 'effective potential', 'astrophysics'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708101'] | ["We generalize the scale invariant gravity by allowing a negative kinetic energy term for the classical scalar field. This gives birth to a new scalar-tensor theory of gravity, in which the scalar field is in fact an auxiliary field. For a pure gravity theory without matter, the scale symmetric phase represents an equ... | ['1997-08-20'] |
10,398 | ['eng'] | ['Hwang, S'] | ['The semi-infinite cohomology of affine Lie algebras'] | ['Particle Physics - Theory'] | ['algebra, Lie', 'algebra, affine', 'cohomology', 'ghost number', 'Wess-Zumino-Witten model', 'Verma module', 'algebra, representation', 'invariance, Becchi-Rouet-Stora', 'algebra, embedding'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708100'] | ["We study in detail the semi-infinite or BRST cohomology of general affine Lie algebras. This cohomology is relevant in the BRST approach to gauged WZNW models. We prove the existence of an infinite sequence of elements in the cohomology for non-zero ghost numbers. This will imply that the BRST approach to topological... | ['1997-08-20'] |
10,399 | ['eng'] | ['Lee, H W', 'Myung, Y S', 'Kim, J Y'] | ['Absorption of fixed scalars in scattering off 5D black holes'] | ['Particle Physics - Theory'] | ['black hole', 'dimension, 5', 'string model', 'membrane model', 'field theory, scalar', 'perturbation theory', 'supersymmetry', 'cross section, absorption'] | ['http://preprints.cern.ch/cgi-bin/setlink?base=preprint&categ=hep-th&id=9708099'] | ['We perform the perturbation analysis of the 5D black holes in the type IIB superstring theory compactified on $T^5$. Analysis around the black holes reveals a complicated mixing between the fixed scalars and other fields (metric and three U(1) Maxwell fields). Considering s-wave ($l=0$), only two fixed scalars are pr... | ['1997-08-20'] |
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