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Перегляд Український фізичний журнал, 2010, № 01 за темою "Загальні питання теоретичної фізики"

Репозиторій DSpace/Manakin

Перегляд Український фізичний журнал, 2010, № 01 за темою "Загальні питання теоретичної фізики"

Сортувати за: Порядок: Результатів:

  • 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 ...
  • 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 ...
  • 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 ...
  • 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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