Перегляд за автором "Zagorodny, A.G."

Сортувати за: Порядок: Результатів:

  • Adatom interaction effects in surface diffusion 
    Gaididei, Yu.B.; Loktev, V.M.; Naumovets, A.G.; Zagorodny, A.G. (Condensed Matter Physics, 2013)
    Motivated by recent research of Nikitin et al. [J. Phys. D: Appl. Phys., 2009, 49, 055301], we examine the effects of interatomic interactions on adatom surface diffusion. By using a mean-field approach in the random walk ...
  • Breakdown and discharge in low pressure gas created by a microwave radiation undergoing stochastic phase jumps (II) 
    Karas`, V.I.; Alisov, A.F.; Artamoshkin, A.M.; Bingham, R.; Gavrilenko, I.V.; Zagorodny, A.G.; Zagrebel`ny, I.A.; Lontano, M.; Mirny, V.I.; Potapenko, I.F.; Us, V.S. (Вопросы атомной науки и техники, 2006)
    The objective of the paper is to discuss the results of theoretical and experimental studies and numerical simulations of following phenomena: the anomalous character of the breakdown conditions, the anomalous behavior ...
  • Brownian motion of grains and negative friction in dusty plasmas 
    Trigger, S.A.; Zagorodny, A.G. (Condensed Matter Physics, 2004)
    Within the approximation of dominant charging collisions the explicit microscopic calculations of the Fokker-Planck kinetic coefficients for highlycharged grains moving in plasma are performed. It is shown that due to ion ...
  • Brownian particle in non-equilibrium plasma 
    Lev, B.I.; Tymchyshyn, V.B.; Zagorodny, A.G. (Condensed Matter Physics, 2009)
    The stationary distribution function of Brownian particles in a nonequilibrium dusty plasma is calculated with regard to electron and ion absorption by grains. The distribution is shown to be considerably different from ...
  • Control of wave interaction processes in plasma 
    Buts, V.O.; Kovalchuk, I.K.; Tolstoluzhsky, O.P.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2021)
    The results of processes investigation of nonlinear interaction of wave in plasma were expounded. First of all the mechanisms of the processes control of three frequencies wave interaction were considered. It was shown ...
  • Dynamics of ions during development of parametric instability of langmuir waves 
    Belkin, E.V.; Kirichok, A.V.; Kuklin, V.M.; Pryjmak, A.V.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2013)
    Nonlinear regimes of one-dimensional parametric instabilities of long-wave plasma waves are considered for the cases when the average field energy density is less (Zakharov’s model) or greater (Silin’s model) than the ...
  • Effective grain potential in a plasma with external sources of ionization 
    Zagorodny, A.G.; Filippov, A.V.; Pal’, A.F.; Starostin, A.N.; Momot, A.I. (Вопросы атомной науки и техники, 2006)
    A new approach is proposed for analytical description of effective grain potentials in dusty plasmas. The basic idea is to describe absorption of electrons and ions by grain in terms of effective point sinks introduced ...
  • Electromagnetic field energy and radiation intensity in a medium with temporal and spatial dispersion outside the transparency domain 
    Trigger, S.A.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2018)
    Calculation of electromagnetic field energy in a medium with temporal and spatial dispersion outside the transparency domain is discussed. It is shown that charged particle contribution to the energy of electromagnetic ...
  • Features of new cyclotron resonances, as well as conditions for resonant acceleration of charged particles in a vacuum without a magnetic field 
    Buts, V.A.; Zagorodny, A.G. (Problems of Atomic Science and Technology, 2023)
    It is shown that the known conditions for cyclotron resonances are strictly valid only under autoresonance conditions or in the nonrelativistic case. In other cases, it is necessary to use the conditions established in the ...
  • Finite larmor radius effects on turbulent transport of test-particles 
    Cherniak, O.M.; Zasenko, V.I.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2016)
    A test-particle approach to study transport processes in two-dimensional random electric field is proposed. Despite such approach is not as complete as self-consistent one it allows a better control of problem parameters ...
  • Fluctuations and ion-acoustic waves in collisional dusty plasma with variable grain charge 
    Momot, A.I.; Zagorodny, A.G.; Momot, O.V. (Вопросы атомной науки и техники, 2018)
    The kinetic theory of electric fluctuations in a collisional weakly ionized dusty plasma is formulated with regard to the grain charg variations. The spectra of ion-acoustic wave and of electron density correlation in ...
  • 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 ...
  • Impact of wave phase jumps on stochastic heating 
    Zasenko, V.I.; Zagorodny, A.G.; Cherniak, O.М. (Вопросы атомной науки и техники, 2017)
    Interaction of charged particles with fields of random waves brings about known effects of stochastic acceleration and heating. Jumps of wave phases can increase the intensity of these processes substantially. Numerical ...
  • Ion kinetics and ion sound generation under the development of modulation instability of an intense Langmuir wave in a plasma 
    Kirichok, A.V.; Kuklin, V.M.; Pryimak, A.V.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2015)
    The development of one-dimensional parametric instabilities of intense long-wave plasma waves is considered in terms of the so-called hybrid models, when electrons are treated as a fluid and ions are regarded as particles. ...
  • Kinetic theory of dusty plasmas and effective grain interactions 
    Zagorodny, A.G.; Filippov, A.V.; Pal', A.F.; Starostin, A.N.; Momot, A.I. (Вопросы атомной науки и техники, 2008)
    The basic points of the consistent kinetic theory of dusty plasmas is discussed. The equations for microscopic phase densities of plasma particles and grains are formulated. Using such equations it is possible to derive ...
  • Non-Markovian effects in turbulent diffusion: kinetic theory and numerical simulation 
    Zagorodny, A.G.; Zasenko, V.I.; Weiland, J.; Holod, I. (Вопросы атомной науки и техники, 2002)
    The theory of time-nonlocal random processes formulated in terms of non-Markovian Fokker-Planck equation is used to describe the results of numerical simulations of particle diffusion in the random longitudinal field with ...
  • On effective acceleration of charged particles in vacuum 
    Buts, V.A.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2021)
    The results of studying the dynamics of particles in the fields of large-amplitude transverse electromagnetic waves are presented. The main attention is paid to the description of the found conditions, under which the ...
  • On the emission spectrum of oscillator trapped in a potential well 
    Kirichok, A.V.; Kuklin, V.M.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2013)
    We study the spectrum of electromagnetic waves emitted by oscillator, trapped in an external potential well. It is assumed that the natural frequency of the oscillator is much greater than the frequency of oscillations in ...
  • On the formation of pulses of coherent radiation in weakly inverted media 
    Kirichok, A.V.; Kuklin, V.M.; Mischin, A.V.; Pryjmak, A.V.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2013)
    A change in the character of maser generation in a two-level system is found when the initial population inversion exceeds some threshold value equal to the square root of the total number of atoms. Above this threshold, ...
  • On the nature of sources of pulsating radiation in weakly inverted media 
    Kirichok, A.V.; Kuklin, V.M.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2015)
    The conditions for the occurrence of a periodic sequence of pulses of coherent radiation in a weakly inverted two-level medium are investigated. It is studied the dependence of the pulse period and amplitude on the inversion ...