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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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58 papers · 1 filter
Black Hole Entropy: Off-Shell vs On-Shell
V. P. Frolov, D. V. Fursaev, A. I. Zelnikov
Different methods of calculation of quantum corrections to the thermodynamical characteristics of a black hole are discussed and compared. The relation between on-shell and off-she…
Stability of a relativistic rotating electron-positron jet: nonaxisymmetric perturbations
Ya. N. Istomin, V. I. Pariev
We investigate the linear stability of a hydrodynamic relativistic flow of magnetized plasma in the force--free approximation. We considered the case of light cylindrical jet in co…
WZW Model as an N=4 Supersymmetric Bosonic String with matter
A M Semikhatov, I Yu Tipunin
We consider the sl(2) current algebra at level k=-4 when the sl(2) BRST operator is nilpotent. We formulate a spectral sequence converging to the cohomology of this BRST operator.…
Supertraces on the Algebras of Observables of the Rational Calogero Model with Harmonic Potential
S. E. Konstein, M. A. Vasiliev
We define a complete set of supertraces on the algebra , the algebra of observables of the -body rational Calogero model with harmonic interaction. This result extends…
Singular Vectors of the Topological Conformal Algebra
A M Semikhatov, I Yu Tipunin
A general construction is found for `topological' singular vectors of the twisted N=2 superconformal algebra. It demonstrates many parallels with the known construction for sl(2) s…
A Search for Leptoquarks at HERA
H1 Collaboration, S. Aid et al
A search for leptoquarks at HERA was performed in H1 using 1994 data corresponding to an integrated luminosity of about $3 \pb^{-1}$. Single leptoquarks were searched for i…
Non-minimal coupling, boundary terms and renormalization of the Einstein-Hilbert action
A. O. Barvinsky, S. N. Solodukhin
A consistent variational procedure applied to the gravitational action requires according to Gibbons and Hawking a certain balance between the volume and boundary parts of the acti…
Jets and Energy Flow in Photon-Proton Collisions at HERA
H1-Collaboration, S. Aid et al
Properties of the hadronic final state in photoproduction events with large transverse energy are studied at the electron-proton collider HERA. Distributions of the transverse ener…
The Problem of Classical Limit in Quantum Cosmology: The effective action language
B. L. Altshuler, A. M. Boyarsky, A. Yu. Neronov
The tool of functional averaging over some ``large'' diffeomorphisms is used to describe quantum systems with constraints, in particular quantum cosmology, in the language of quant…
How to Create a 2-D Black Hole
V. Frolov, S. Hendy, A. L. Larsen
The interaction of a cosmic string with a four-dimensional stationary black hole is considered. If a part of an infinitely long string passes close to a black hole it can be captur…
How Many New Worlds Are Inside a Black Hole?
Claude Barrabès, Valeri Frolov
We propose a possible internal structure for a Schwarzschild black hole resulting from the creation of multiple de Sitter universes with lightlike boundaries when the curvature rea…
Higher-Spin Gauge Interactions for Matter Fields in Two Dimensions
Mikhail Vasiliev
We formulate a new model which describes higher-spin gauge interactions for matter fields in two dimensions. This model is a higher-spin generalization of d2 gravity and turns out…
Charge Disorder in Granular Metallic Films
S. V. Panyukov, A. D. Zaikin
It is shown that practically any physically relevant random distribution of offset charges destroys the Kosterlitz-Thouless-Berezinskii charge-unbinding phase transition in two dim…
Partial summation of the nonlocal expansion for the gravitational effective action in 4 dimensions
A. G. Mirzabekian, G. A. Vilkovisky, V. V. Zhytnikov
The vacuum action for the gravitational field admits a known expansion in powers of the Ricci tensor with nonlocal operator coefficients (form factors). We show that going over to…
Quantum Origin of the Early Universe and the Energy Scale of Inflation
A. O. Barvinsky, A. Yu. Kamenshchik
Quantum origin of the early inflationary Universe from the no-boundary and tunnelling quantum states is considered in the one-loop approximation of quantum cosmology. A universal e…
Hydrodynamic accretion onto rapidly rotating Kerr black hole
Vladimir I. Pariev
Bondi type hydrodynamic accretion of the surrounding matter onto Kerr black hole with an arbitrary rotational parameter is considered. The effects of viscosity, thermal conductivit…
Towards effective topological gauge theories on spectral curves
A. Gorsky, A. Marshakov
We discuss a general approach to the nonperturbative treatment of quantum field theories based on existence of effective gauge theory on auxiliary ''spectral" Riemann curve. We pro…
Introduction to Quantum Optics
V. I. Man'ko
The theory of quantum propagator and time--dependent integrals of motion in quantum optics is reviewed as well as the properties of Wigner function, Q--function, and coherent state…
Novel Features of Multiplicity Distributions in QCD and Experiment
I. M. Dremin
The solution of QCD equations for generating functions of multiplicity distributions reveals new peculiar features of cumulant moments oscillating as functions of their rank. This…
2-2 and 2-3 Intercombination Transitions in Be-like Ions
Yu. V. Ralchenko, L. A. Vainshtein
We report here on calculation of probabilities of intercombination transitions - , for Be-like ions along the isoelectronic sequence for…
Optical absorption in the strong coupling limit of Eliashberg theory
R. Combescot, O. V. Dolgov, D. Rainer +1
We calculate the optical conductivity of superconductors in the strong-coupling limit. In this anomalous limit the typical energy scale is set by the coupling energy, and other ene…
Generalized Toda Field Theories
Lars Brink, Mikhail Vasiliev
In this paper we introduce a unified approach to Toda field theories which allows us to formulate the classes of , and models as unique models involving an arbitra…
The Topology of The Cosmic Microwave Background Anisotropy on The Scale 1 degree
D. I. Novikov, H. E. Jorgensen
In this paper we develop the theory of clusterization of peaks in a Gaussian random field. We have obtained new mathematical results from this theory and the theory of percolation…
QCD Heat Kernel in Covariant Gauge
E. I. Guendelman, A. V. Leonidov, V. A. Nechitailo +1
We report the calculation of the fourth coefficient in an expansion of the heat kernel of a non-minimal, non-abelian kinetic operator in an arbitrary background gauge in arbitrary…