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21 papers · 2 filters
Vacuum amplification of the high-frequency electromagnetic radiation
G. A. Vilkovisky
When an electrically charged source is capable of both emitting the electromagnetic waves and creating charged particles from the vacuum, its radiation gets so much amplified that…
Conformal Field Theory in Conformal Space
C. R. Preitschopf, M. A. Vasiliev
We present a new framework for a Lagrangian description of conformal field theories in various dimensions based on a local version of d+2-dimensional conformal space. The results i…
Seiberg-Witten theory for a non-trivial compactification from five to four dimensions
H. W. Braden, A. Marshakov, A. Mironov +1
The prepotential and spectral curve are described for a smooth interpolation between an enlarged N=4 SUSY and ordinary N=2 SUSY Yang-Mills theory in four dimensions, obtained by co…
Superfield Formulation of the Phase Space Path Integral
I. A. Batalin, K. Bering, P. H. Damgaard
We give a superfield formulation of the path integral on an arbitrary curved phase space, with or without first class constraints. Canonical tranformations and BRST transformations…
Arbitrary spin massless bosonic fields in d-dimensional anti-de Sitter space
R. R. Metsaev
Arbitrary spin free massless bosonic fields propagating in even - dimensional anti-de Sitter spacetime are investigated. Free wave equations of motion, subsidiary conditions an…
Collective Excitations in Thermal QED_{3+1}: Survival of the Fittest
I. V. Tyutin, Vadim Zeitlin
The spectrum of collective fermionic excitations in a finite temperature QED_{3+1} is studied in different regimes. It is shown that within the standard perturbation approach the o…
Finite temperature nonlocal effective action for quantum fields in curved space
Yu. V. Gusev, A. I Zelnikov
Massless and massive scalar fields and massless spinor fields are considered at arbitrary temperatures in four dimensional ultrastatic curved spacetime. Scalar models under conside…
Curing Fermion Mass Gauge Variance in QED
I. V. Tyutin, Vadim Zeitlin
The problem of the gauge dependence of the fermion mass in the Maxwell-Chern-Simons QED is revisited. Using Proca mass term as an intermediate infrared regulator we are dem…
A Kaehler Structure of the Triplectic Geometry
M A Grigoriev, A M Semikhatov
We study the geometry of the triplectic quantization of gauge theories. We show that underlying the triplectic geometry is a Kaehler manifold N endowed with a pair of transversal p…
Existence Theorem for Split Involution Constraint Algebra
I. A. Batalin, S. L. Lyakhovich, I. V. Tyutin
Existence theorem is proven for the generating equations of the split involution constraint algebra. The structure of the general solution is established, and the characteristic ar…
Supersymmetric D3 brane action in AdS_5 x S^5
R. R. Metsaev, A. A. Tseytlin
We find the space-time supersymmetric and kappa-invariant action for a D3-brane propagating in the AdS_5 x S^5 background. As in the previous construction of the fundamental string…
Type IIB superstring action in AdS_5 x S^5 background
R. R. Metsaev, A. A. Tseytlin
We construct the covariant kappa-symmetric superstring action for a type IIB superstring on AdS_5 x S^5 background. The action is defined as a 2d sigma-model on the coset superspac…
Higher-Spin Gauge Interactions for Massive Matter Fields in 3D AdS Space-Time
Sergey Prokushkin, Mikhail Vasiliev
A remarkable feature of the models with interactions exhibiting higher-spin (HS) gauge symmetries in is that their most symmetric vacua require (anti)-de Sitter (AdS) geometr…
Reparametrization Invariance as Gauge Symmetry
G. Fulop, D. M. Gitman, I. V. Tyutin
Reparametrization invariance being treated as a gauge symmetry shows some specific peculiarities. We study these peculiarities both from a general point of view and on concrete exa…
Resolutions and Characters of Irreducible Representations of the N=2 Superconformal Algebra
B L Feigin, A M Semikhatov, V A Sirota +1
We evaluate characters of irreducible representations of the N=2 supersymmetric extension of the Virasoro algebra. We do so by deriving the BGG-resolution of the admissible N=2 rep…
Coupling Constant Dependence in the Thermodynamics of N=4 Supersymmetric Yang-Mills Theory
Steven S. Gubser, Igor R. Klebanov, Arkady A. Tseytlin
The free energy of the maximally supersymmetric SU(N) gauge theory at temperature T is expected to scale, in the large N limit, as N^2 T^4 times a function of the 't Hooft coupling…
Gauge Symmetries of the Master Action
M A Grigoriev, A M Semikhatov, I Yu Tipunin
We study the geometry of the Lagrangian Batalin--Vilkovisky theory on an antisymplectic manifold. We show that gauge symmetries of the BV-theory are essentially the symmetries of a…
Spacetime locality in Sp(2) symmetric lagrangian formalism
Shervgi S. Shahverdiyev, I. V. Tyutin
The existence of a local solution to the Sp(2) master equation for gauge field theory is proven in the framework of perturbation theory and under standard assumptions on regularity…
Effective equations of motion and initial conditions for inflation in quantum cosmology
A. O. Barvinsky, A. Yu. Kamenshchik
We obtain effective equations of inflationary dynamics for the mean inflaton and metric fields in the no-boundary and tunneling quantum states of the Universe. In the slow roll app…
RG Equations from Whitham Hierarchy
A. Gorsky, A. Marshakov, A. Mironov +1
The second derivatives of prepotential with respect to Whitham time-variables in the Seiberg-Witten theory are expressed in terms of Riemann theta-functions. These formulas give a…
Fermionic fields in the d-dimensional anti-de Sitter spacetime
R. R. Metsaev
Arbitrary spin free massless fermionic fields corresponding to mixed symmetry representations of the \hbox{} compact group and propagating in even -dimensional anti-de…