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Український фізичний журнал, 2010
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Український фізичний журнал, 2010, № 01
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Перегляд Український фізичний журнал, 2010, № 01 за назвою

Перегляд Український фізичний журнал, 2010, № 01 за назвою

Результати 1-20 з 21

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A.A. Vlasov, and N.N. Bogolyubov, the Forerunners of Quantum Electrodynamics

Rukhadze, A.A. (2010)

All written below is the child of my brain, although the meetings and discussions of these two great physicists actually took place, and these discussions resulted in the substantiation of the famous Vlasov equation in the ...
A Generalized Bose–Einstein Condensation Theory of Superconductivity Inspired by Bogolyubov

De Llano, M.; Tolmachev, V.V. (2010)

We survey the unification of the Bardeen, Cooper, Schrieffer (BCS) and the Bose–Einstein condensation (BEC) theories via a generalized BEC (GBEC) formalism. The GBEC describes a ternary boson-fermion gas mixture consisting ...
Anomalous Transport in Velocity Space: Equation and Models

Trigger, S.A. (2010)

The problem of anomalous diffusion in the momentum space is considered on the basis of the appropriate probability transition function (PTF). A new general equation for the description of the diffusion of heavy particles ...
Bogolyubov’s Approximation for Bosons

Bogolyubov (jr.), N.N.; Sankovich, D.P. (2010)

We analyze the approximating Hamiltonian method for Bose systems. Within the framework of this method, the pressure for the mean field model of an imperfect boson gas is calculated. The problem is considered by the systematic ...
Deformed Heisenberg Algebra in the Theory of Liquid 4He

Vakarchuk, I.O. (2010)

We propose a method to consider anharmonic oscillations of the density of a Bose fluid using a deformed Heisenberg algebra. The Hamiltonian of a Bose fluid consists of a main harmonic part and an anharmonic part which is ...
Dispersion Relations for Waves in Plasma and Bogolyubov Ideas in Many-body Theory

Sokolovsky, A.I.; Stupka, A.A.; Chelbaevsky, Z.Yu. (2010)

On the basis of Bogolyubov reduced description method and quasirelativistic quantum electrodynamics, the kinetics of an electromagnetic field in an equilibrium plasma has been constructed. The calculation is carried out ...
Dynamically Broken Symmetry in Periodically Gated Quantum Dots: Charge Accumulation and DC-current

Kwapiński, T.; Kohler, S.; Hänggi, P. (2010)

Time-dependent electron transport through a quantum dot and double quantum dot systems in the presence of polychromatic external periodic quantum dot energy-level modulations is studied within the time evolution operator ...
Editorial

Автор відсутній (2010)
Effect of Lifshitz Quantum Phase Transitions on the Normal and Superconducting States in Cuprates

Ovchinnikov, S.G.; Korshunov, M.M.; Shneyder, E.I. (2010)

We study the doping evolution of the electronic structure in the normal phase of high-Tc cuprates. The electronic structure and the Fermi surface of cuprates with a single CuO2 layer in the unit cell like La2-xSrxCuO4 have ...
Excitonic Instability and Gap Generation in Monolayer Graphene

Gamayun, O.V.; Gorbar, E.V.; Gusyn, V.P. (2010)

We analyze the excitonic instability in graphene by solving the Bethe–Salpeter equation for the electron-hole bound state. In the supercritical regime, we show that this equation has a tachyon in its spectrum. We argue ...
Fermion Condensation: a Strange Idea Successfully Explaining Behavior of Numerous Objects in Nature

Shaginyan, V.R.; Amusia, M.Ya.; Popov, K.G (2010)

Strongly correlated Fermi systems are among the most intriguing, best experimentally studied, and fundamental systems in physics. These are, however, in defiance of theoretical understanding. The ideas based on the concepts ...
Grain in a Plasma in the Presence of External Electric Field: Kinetic Calculation of Effective Potential and Ionic Drag Force

Zagorodny, A.G.; Rogal, I.V.; Momot, A.I.; Schweigert, I.V. (2010)

Kinetic calculations of the effective grain potential are presented for the case of weakly-ionized plasma in the external electric field. The drag force associated with the ionic drift in the external field is found. It ...
Master Equation for State Occupancies of an Open Quantum System

Petrov, E.G. (2010)

Based on the non-equilibrium density matrix method and using the Bogolyubov’s approach for the decoupling of many-particle distribution functions, a closed set of kinetic equations is derived for the state occupancies of ...
Modified Bogolyubov’s Derivation of the Two-fluid Hydrodynamics

Shygorin, P.; Svidzynskyj, A. (2010)

A consistent microscopic derivation of the two-fluid hydrodynamics for superfluid helium-4 in the ideal approximation is represented The starting point in our formalism is a system of Heisenberg’s equation of motion for ...
Nikolai Nikovaevich Bogolyubov – Great Scientist and Humanist of the XX-th Century

Golubjeva, O.N.; Jenkovszky, L.L.; Sukhanov, A.D. (2010)

August 21, 2009 marked the hundredth anniversary of Nikolai Nikolaevich Bogoliubov,World Science Classic. Bogoliubov’s name entered forever the history of civilization. He was a Scientist of encyclopedic dimensions, one ...
Non-commutative Geometry & Physics

Wohlgenannt, M. (2010)

This article is an introduction to the ideas of non-commutative geometry and star products. We will discuss consequences for physics in two different settings: quantum field theories and astrophysics. In case of quantum ...
On Chebyshev Polynomials and Torus Knots

Gavrilik, A.M.; Pavlyuk, A.M. (2010)

In this work, we demonstrate that the q-numbers and their two-parameter generalization, the q,p -numbers, can be used to obtain some polynomial invariants for torus knots and links. First, we show that the q-numbers, which ...
Resummation in QCD Fractional Analytic Perturbation Theory

Bakulev, A.P. (2010)

We describe the generalization of Analytic Perturbation Theory (APT) for QCD observables, initiated by Radyushkin, Krasnikov, Pivovarov, Shirkov, and Solovtsov, to fractional powers of coupling — Fractional APT (FAPT). The ...
Some Steps on the Way of the Formation of Plasma Turbulence Theory

Silin, V.P. (2010)
Spontaneous Magnetization of Quantum XY-chain from Finite Chain Form-factors

Iorgov, N.Z. (2010)

Using the explicit factorized formulas for matrix elements (formfactors) of the spin operators between the eigenvectors of the Hamiltonian of a finite quantum XY-chain in a transverse field, the spontaneous magnetization ...

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Перегляд Український фізичний журнал, 2010, № 01 за назвою

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Перегляд Український фізичний журнал, 2010, № 01 за назвою

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