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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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20 papers · 2 filters
gravity and matrix models. I. gravity
A. Mironov
Some approaches to gravity developed for the last years are reviewed. They are physical (Liouville) gravity, topological theories and matrix models. A special attention is pai…
Generalized Kazakov-Migdal-Kontsevich Model: group theory aspects
S. Kharchev, A. Marshakov, A. Mironov +1
The Kazakov-Migdal model, if considered as a functional of external fields, can be always represented as an expansion over characters of group. The integration over "matter fi…
On the Heat Kernel in Covariant Background Gauge
E. I. Guendelman, A. Leonidov, V. Nechitailo +1
The first three coefficients in an expansion of the heat kernel of a nonminimal nonabelian kinetic operator taken in an arbitrary background gauge in arbitrary space-time dimension…
New relations for two-dimensional Hermite polynomials
V. V. Dodonov, V. I. Man'ko
The effective formulas reducing the two-dimensional Hermite polynomials to the classical (one-dimensional) orthogonal polynomials are given. New one-parameter generating functions…
Thermal noise and oscillations of photon distribution for squeezed and correlated light
V. V. Dodonov, O. V. Man'ko, V. I. Man'ko +1
The oscillations of photon distribution function for squeezed and correlated light are shown to decrease when the temperature increases.The influence of the squeezing parameter and…
The MFF Singular Vectors in Topological Conformal Theories
A. M. Semikhatov
It is argued that singular vectors of the topological conformal (twisted ) algebra are identical with singular vectors of the Kac--Moody algebra. An arbitrary matter t…
Representations of the -Extended Heisenberg Algebra and Relations Between Knizhnik-Zamolodchikov Equations and Quantum Calogero Model
Lars Brink, Mikhail A. Vasiliev
We discuss lowest-weight representations of the -Extended Heisenberg Algebras underlying the -body quantum-mechanical Calogero model. Our construction leads to flat derivat…
Planckian Energy Scattering and Surface Terms in the Gravitational Action
M. Fabbrichesi, R. Pettorini, G. Veneziano +1
This is a revised version of our previous paper by the same name and preprint number. It contains various changes, two figures and new results in sect.5. We propose a new approach…
On the multilevel generalization of the field--antifield formalism
I. A. Batalin, I. V. Tyutin
The multilevel geometrically--covariant generalization of the field--antifield BV--formalism is suggested. The structure of quantum generating equations and hypergauge conditions i…
On the equivalence between the unified and standard versions of constraint dynamics
I. A. Batalin, I. V. Tyutin
The structure of physical operators and states of the unified constraint dynamics is studied. The genuine second--class constraints encoded are shown to be the superselection opera…
Multidimensional Hermite polynomials and photon distribution for polymode mixed light
V. V. Dodonov, O. V. Man'ko, V. I. Man'ko
For N-mode light described by the Wigner function of generic Gaussian form the photon distribution function is obtained explicitly and expressed in terms of Hermite polynomial of $…
Photon distribution for one mode mixed light with generic gaussian Wigner function
V. V. Dodonov, O. V. Man'ko, V. I. Man'ko
For one-mode light described by the Wigner function of generic Gaussian form the photon distribution function is obtained explicitly and expressed in terms of Hermite polynomials o…
Unified Constrained Dynamics
I. A. Batalin, I. V. Tyutin
The unified constrained dynamics is formulated without making use of the Dirac splitting of constraint classes. The strengthened, completely--closed, version of the unified constra…
Higher spins dynamics in the closed string theory
I. L. Buchbinder, E. S. Fradkin, S. L. Lyakhovich +1
The general -model-type string action including both massless and massive higher spins background fields is suggested. Field equations for background fields are followed from th…
q-Deformed Brownian Motion
V. I. Man'ko, R. Vilela Mendes
Brownian motion may be embedded in the Fock space of bosonic free field in one dimension.Extending this correspondence to a family of creation and annihilation operators satisfying…
Integrable structures in matrix models and physics of 2d-gravity
A. Marshakov
A review of the appearence of integrable structures in the matrix model description of -gravity is presented. Most of ideas are demonstrated at the technically simple but ideol…
On pq-duality and explicit solutions in gravity models
S. Kharchev, A. Marshakov
We study the integral representation for the exact solution to nonperturbative string theory. A generic solution is determined by two functions and which beh…
Supersymmetry and a Time-Dependent Landau System
V. Alan Kostelecký, V. I. Man'ko, Michael Martin Nieto +1
A general technique is outlined for investigating supersymmetry properties of a charged spin-$\half$ quantum particle in time-varying electromagnetic fields. The case of a time-var…
Gauge Fields Condensation at Finite Temperature
O. K. Kalashnikov
The two-loop effective action for the SU(3) gauge model in a constant background field is recalculated for a gauge with an arbitrary -paramet…
The Calogero Model - Anyonic Representation, Fermionic Extension and Supersymmetry
L. Brink, T. H. Hansson, S. Konstein +1
We discuss several applications and extensions of our previous operator solution of the -body Calogero problem, \ie N particles in 1 dimension subject to a two-body interaction…