Перегляд за темою "Kinetic theory"

Сортувати за: Порядок: Результатів:

  • Corellation analysis for noise diagnostics of in-core reactor equipment 
    Rudakov, V.A. (Вопросы атомной науки и техники, 2007)
    The brief survey of noise methods of PWR in-core equipment diagnostics is presented. The possibilities of using the standard system of neutron emission sensors and temperature control sensors for registration of noise ...
  • Correlation phenomena in the glass-forming liquids 
    Bakai, A.S. (Вопросы атомной науки и техники, 2001)
    A theory of the long-range correlations of density fluctuations is presented for the glass-forming liquids. The supercooled heterophase liquid (HPL) is considered as composed of solid-like and fluid-like species with many ...
  • Distinctive numbers of production systems functioning description 
    Pignasty, O.M. (Вопросы атомной науки и техники, 2007)
    The production system of an enterprise is represented as the system with large quantity of elements, which are the objects of one's labour. The distinctive numbers of the production system are introduced by means of ...
  • Effect of temporal randomization on the interaction of normalized and anomalous transport 
    Stanislavsky, A.A. (Вопросы атомной науки и техники, 2007)
    The fractional kinetic equations are a natural consequence of non-Gaussian properties in the behavior of many complex systems. We consider the competition between normalized and anomalous transport in the presence of ...
  • Electromagnetic field correlations and sound waves 
    Sokolovsky, A.I.; Stupka, A.A. (Вопросы атомной науки и техники, 2007)
    Statistical operator of the many component plasma has been found on the basis of the Bogolyubov reduced description method and quasi-relativistic quantum electrodynamics. Calculations were carried out in the Hamilton gauge ...
  • Kinetic collective excitations in liquids: Heat waves 
    Bryk, T.M.; Mryglod, I.M. (Вопросы атомной науки и техники, 2007)
    We present a theoretical study of non-hydrodynamic propagating processes, which correspond to heat waves in liquids. It is shown, that heat waves can propagate in liquids only on a finite spatial scale and do not appear ...
  • Kinetic equations for open quantum system in the occupation number representation 
    Petrov, E.G. (Вопросы атомной науки и техники, 2001)
    Master equation for density matrix of an open many–particle system is derived in the occupation number representation. The Born approximation with respect to system–bath interaction is utilized and the fast relaxation ...
  • Method of reduced description in theory of long wave nonequilibrium fluctuations 
    Peletminskii, S.V.; Slyusarenko, Yu.V. (Вопросы атомной науки и техники, 2001)
    The regular method for construction of kinetic equations of long-wave fluctuation theory is developed in a microscopic approach on the base of generalization of the kinetic Bogolyubov theory. The transition to the hydrodynamic ...
  • Microscopic description of relaxation of impurity magnetic atoms in spiral magnetics 
    Ivashin, A.P. (Вопросы атомной науки и техники, 2001)
    Kinetics of the impurity magnetic atoms in spiral magnetic is researched. The spectrum of the excitations of the impurity spin is obtained in approximation of weakly coupling. The equation for impurity density matrix up ...
  • On a simple model of the photonic or phononic crystal 
    Kosevich, A.M. (Вопросы атомной науки и техники, 2001)
    A model is proposed for a one-dimensional dielectric or elastic superlattice (SL) that relatively simply describes the frequency spectrum of electromagnetic or acoustic waves. The band frequency spectrum is reduced to ...
  • On sound wave spectra in biaxial nematic crystals 
    Kovalevsky, М.Y.; Shishkin, А.L. (Вопросы атомной науки и техники, 2001)
    On the basis of the Hamiltonian approach dynamics of biaxial nematics surveyed and the deduction of the nonlinear equations of ideal hydrodynamics, taking into account the shape, (disk-shaped and rod-shaped of a molecule) ...
  • On statistical mechanics in noncommutative spaces 
    Alavi, S.A. (Вопросы атомной науки и техники, 2007)
    We study the formulation of quantum statistical mechanics in noncommutative spaces. We construct microcanonical and canonical ensemble theory in noncommutative spaces and study some basic and important examples in the ...
  • On the pulsar secondary electron-positron plasma production in low-energy region 
    Kontorovich, V.M.; Flanchik, A.B. (Вопросы атомной науки и техники, 2007)
    An analytical description of low-energy falling-off of the secondary electron and positron distribution functions is proposed with the account of the effect of the inverse Compton scattering (ICS) on particle acceleration ...
  • On the theory of the initial stage of slow nuclear burning 
    Khizhnyak, N. (Вопросы атомной науки и техники, 2001)
    Scientific principles of linear nuclear power systems of slow burning are elaborated. Two concepts of a slow burning reactor, one using U-Pu cycle and the other Th-U cycle are proposed. In the first concept the reactor is ...
  • Paramagnetic resonance in electron-impurity systems 
    Ivanchenko, E.A. (Вопросы атомной науки и техники, 2001)
    The equation for the magnetization is obtained on the basis of the kinetic equation for an isotropic distribution function of electrons scattering on massive impurity centers in the presence of magnetic and electric fields. ...
  • Peculiar properties of systems under secondary resonances with an external perturbation 
    Buts, V.A. (Вопросы атомной науки и техники, 2001)
    This report is about the dynamics of the Hamiltonian systems with two degrees of freedom, in the presence of a low-frequency disturbance. It is proved that a low-frequency disturbance induces a stochastic instability. ...
  • Probabilistic description of cascade kinetic processes 
    Virchenko, Yu.P.; Brodskii, R.Ye. (Вопросы атомной науки и техники, 2007)
    Kinetic equations of cascade processes are deduced in mostly general form on the basis of methods of branching markovian random process theory. It is done both in the discrete time case and in the continuous time case.
  • Quasi-simple secondary waves in a gas of quasi-particles 
    Khodusov, V.D. (Вопросы атомной науки и техники, 2001)
    The equations describing simple secondary waves are obtained in gas dynamics with conserved and non-conserved number of quasi-particles at interactions. The non-linearity parameter in phonon and magnon gas dynamics is ...
  • Reduced description method in dynamic theory of particles interacting with medium 
    Nikolayenko, S.O.; Slyusarenko, Yu.V. (Вопросы атомной науки и техники, 2007)
    We consider spatially inhomogeneous states of particles, weakly interacting with hydrodynamic medium involving Bogolubov’s reduced description method. It has been shown that such a system has both kinetic and hydrodynamic ...
  • Slow nuclear burning 
    Akhiezer, A.; Khizhnyak, N.; Shulga, N.; Pilipenko, V.; Davydov, L. (Вопросы атомной науки и техники, 2001)
    Concepts of linear nuclear power systems of slow burning with breeding are briefly discussed. The propagation of the nuclear fission wave in a long thermal fission reactor (without breeding) is considered. The evolution ...