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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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34 papers · 2 filters
Cubic interaction vertices for massive and massless higher spin fields
R. R. Metsaev
Using the light-cone formulation of relativistic dynamics, we develop various methods for constructing cubic interaction vertices and apply these methods to the study of higher spi…
Light-cone formulation of conformal field theory adapted to AdS/CFT correspondence
R. R. Metsaev
Light-cone formulation of conformal field theory in space-time of arbitrary dimension is developed. Conformal fundamental and shadow fields with arbitrary conformal dimension and a…
Cohomology of antiPoisson superalgebra
S. E. Konstein, I. V. Tyutin
We consider antiPoisson superalgebras realized on the smooth Grassmann-valued functions with compact supports in R^n and with the grading inverse to Grassmanian parity. The lower c…
Quantum Effective Action in Spacetimes with Branes and Boundaries
A. O. Barvinsky, D. V. Nesterov
We construct quantum effective action in spacetime with branes/boundaries. This construction is based on the reduction of the underlying Neumann type boundary value problem for the…
On Generalized Gauge-Fixing in the Field-Antifield Formalism
I. A. Batalin, K. Bering, P. H. Damgaard
We consider the problem of covariant gauge-fixing in the most general setting of the field-antifield formalism, where the action W and the gauge-fixing part X enter symmetrically a…
String theory provides landmarks fixing RS branes' positions: Possibility to deduce large mass hierarchy from small numbers
Boris L. Altshuler
Two-branes RS-I 5-dimensional model is generalized in higher dimensional string-induced theory with dilaton and -form field. It is supposed that "hidden" and "visible" Randall-S…
Backreaction of the Hawking radiation
G. A. Vilkovisky
Black holes create a vacuum matter charge to protect themselves from the quantum evaporation. A spherically symmetric black hole having initially no matter charges radiates away ab…
Radiation equations for black holes
G. A. Vilkovisky
It has been shown in the previous paper that the metric in the semiclassical region of the collapse spacetime is expressed purely kinematically through the Bondi charges. Here the…
Kinematics of evaporating black holes
G. A. Vilkovisky
The correspondence principle and causality divide the spacetime of a macroscopic collapsing mass into three regions: classical, semiclassical, and ultraviolet. The semiclassical re…
QCD partition function in the external field in the covariant gauge
Andrei Leonidov, Vladimir Nechitailo
The QCD partition function in the external stationary gluomagnetic field is computed in the third order in external field invariants in arbitrary dimension and arbitrary covariant…
Non-perturbative renormalization in Light Front Dynamics with Fock space truncation
J. -F. Mathiot, V. A. Karmanov, A. V. Smirnov
Within the framework of the Covariant formulation of Light-Front Dynamics, we develop a general non-perturbative renormalization scheme based on the Fock decomposition of the state…
On First Order Formalism in String Theory
Andrei S. Losev, Andrei Marshakov, Anton M. Zeitlin
We consider the first order formalism in string theory, providing a new off-shell description of the nontrivial backgrounds around an "infinite metric". The OPE of the vertex opera…
The symmetry, connecting the processes in 2- and 4-dimensional space-times, and the value for the bare fine structure constant
V. I. Ritus
Defined by Bogoliubov coefficients the spectra of pairs of Bose (Fermi) massless quanta, emitted by point mirror in 1+1-space, coincide up to multiplier with the spe…
Relativistic gyratons in asymptotically AdS spacetime
Valeri P. Frolov, Andrei Zelnikov
We study the gravitational field of a spinning radiation beam-pulse (a gyraton) in a D-dimensional asymptotically AdS spacetime. It is shown that the Einstein equations for such a…
Surface charges and dynamical Killing tensors for higher spin gauge fields in constant curvature spaces
G. Barnich, N. Bouatta, M. Grigoriev
In the context of massless higher spin gauge fields in constant curvature spaces, we compute the surface charges which generalize the electric charge for spin one, the color charge…
Matrix Model and Stationary Problem in Toda Chain
A. Marshakov
We analyze the stationary problem for the Toda chain, and show that arising geometric data exactly correspond to the multi-support solutions of one-matrix model with a polynomial p…
Matrix Models vs. Matrix Integrals
A. Mironov
In a brief review, we discuss interrelations between arbitrary solutions of the loop equations that describe Hermitean one-matrix model and particular (multi-cut) solutions that de…
Complex Geometry of Matrix Models
L. Chekhov, A. Marshakov, A. Mironov +1
The paper contains some new results and a review of recent achievements, concerning the multisupport solutions to matrix models. In the leading order of the 't Hooft expansion for…
Gravitational field of relativistic gyratons
Valeri P. Frolov, Werner Israel, Andrei Zelnikov
The metric ansatz is used to describe the gravitational field of a beam-pulse of spinning radiation (gyraton) in an arbitrary number of spacetime dimensions D. First we demonstrate…
Actions, Charges and Off-Shell Fields in the Unfolded Dynamics Approach
M. A. Vasiliev
Within unfolded dynamics approach, we represent actions and conserved charges as elements of cohomology of the algebra underlying the unfolded formulation of a given dyn…
Cross-ladder effects in Bethe-Salpeter and Light-Front equations
J. Carbonell, V. A. Karmanov
Bethe-Salpeter (BS) equation in Minkowski space for scalar particles is solved for a kernel given by a sum of ladder and cross-ladder exchanges. The solution of corresponding Light…
Solving Bethe-Salpeter equation in Minkowski space
V. A. Karmanov, J. Carbonell
We develop a new method of solving Bethe-Salpeter (BS) equation in Minkowski space. It is based on projecting the BS equation on the light-front (LF) plane and on the Nakanishi int…
Modular group representations and fusion in logarithmic conformal field theories and in the quantum group center
BL Feigin, AM Gainutdinov, AM Semikhatov +1
The SL(2,Z) representation on the center of the restricted quantum group U_{q}sl(2) at the primitive 2p-th root of unity is shown to be equivalent to the SL(2,Z) representation…
Symmetries and physical functions in general gauge theory
D. M. Gitman, I. V. Tyutin
The aim of the present article is to describe the symmetry structure of a general gauge (singular) theory, and, in particular, to relate the structure of gauge transformations with…