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Перегляд Problems of Atomic Science and Technology, 2019, № 4 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2019, № 4 за датою випуску

Сортувати за: Порядок: Результатів:

  • Source of drops-free plasma flows of monocristaline zirconium 
    Borisenko, A.G.; Kostin, E.G.; Rokytskyi, O.A.; Fedorovich, O.A. (Вопросы атомной науки и техники, 2019)
    In experiments, the characteristics of a non-self-sustained arc discharge in pure vapors of monocrystalline zirconium were investigated. The minimum ignition power of the discharge in zirconium vapor was determined for ...
  • Structure and properties of glow discharge in argon with hollow cathode 
    Lisovskiy, V.A.; Osmayev, R.O.; Khilko, D.I.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2019)
    This paper deals with studying into the modes of burning and structure of the glow discharge with a hollow cathode and a flat anode in argon. We have demonstrated that the electron beam usually leaving the cathode cavity ...
  • Basic plasma features of planar jet formed by capacitive RF discharge in atmosphere pressure argon 
    Bazhenov, V.Yu.; Gubarev, S.M.; Tsiolko, V.V. (Вопросы атомной науки и техники, 2019)
    Upgraded method of determining basic parameters of weakly ionized plasma by means of photometric study of bremsstrahlung emission continuum in visible spectrum range is described. Time-averaged spatial distributions of ...
  • Resonant spread wave function in parabolic potential 
    Mazmanishvili, А.S. (Вопросы атомной науки и техники, 2019)
    In this paper, we consider the parabolic potential, which as a whole is subject to dipole or quadrupole action (parametric resonance), which periodically changes with time, and the dynamics of the wave function of a particle. ...
  • Modulation instability in two component Bose-Einstein condensate with relative component motion 
    Ivashin, A.P.; Marinenko, E.D. (Вопросы атомной науки и техники, 2019)
    The development of modulation instability in a spatially homogeneous two-component Bose-Einstein condensate (BEC), in which the interacting components move through each other at a relative speed, is investigated. It is ...
  • On the nature of coherents in the system of oscillators 
    Kuklin, V.M. (Вопросы атомной науки и техники, 2019)
    The paper presents the transition to the regime of induced radiation of a system of oscillators in the classical and the quantum cases. This transition occurs due to synchronization by the integral field of the phases of ...
  • Features of weakly nonlinear wave interaction 
    Buts, V.A.; Kovalchuk, I.K.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2019)
    Regular and stochastic dynamics of three wave interaction and dynamics of cascades of such three wave processes were investigated. It was shown that matrix elements of wave interaction are inversely proportional to square ...
  • Oscillatory instability 
    Buts, V.A. (Вопросы атомной науки и техники, 2019)
    The dynamics of the oscillator system is investigated. The conditions under which this dynamics becomes unstable are determined. In particular, it is shown that plasma in constant magnetic field becomes unstable if its ...
  • Transformation of the linear difference equation into a system of the first order difference equations 
    Ayzatsky, M.I. (Вопросы атомной науки и техники, 2019)
    The transformation of the N-th-order linear difference equation into a system of the first order difference equations is presented. The proposed transformation opens possibility to obtain new forms of the N-dimensional ...
  • On the transformation of the linear differential equation into a system of the first order equations 
    Ayzatsky, M.I. (Вопросы атомной науки и техники, 2019)
    The generalization of the transformation of the linear differential equation into a system of the first order equations is presented. The proposed transformation gives possibility to get new forms of the N-dimensional ...
  • Quasi-harmonic oscillations in a nonlinear transmission line, resulting from cherenkov synchronism 
    Karelin, S.Y.; Krasovitsky, V.B.; Magda, I.I.; Mukhin, V.S.; Sinitsin, V.G. (Вопросы атомной науки и техники, 2019)
    Experimental data and results of numerical modeling are presented, concerning excitation of microwave oscillations by a wave of pulsed ‘dc’ current (eventually, a shock wave) traveling through a radially non-uniform coaxial ...
  • A fractal accelerator on the basis of a corrugated plasma waveguide with superconducting walls 
    Tkachenko, I.V.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2019)
    The use of a two-stage mechanism for the acceleration of charged particles is proposed. The principle of acceleration is based on the use of the fractal properties of the wave spectrum of a corrugated plasma waveguide with ...
  • Evolution of the wake wave excided by the sequence of the relativistic electron bunches 
    Vynnyk, O.K.; Anisimov, I.O. (Вопросы атомной науки и техники, 2019)
    The amplitude of plasma waves, excited by the resonant sequence of electron bunches, saturates after passage of some number of bunches. This behavior was observed and simulated, using particle-in-cell code, but was not ...
  • Effect of transition radiation and dispersion spreading at achievement of a large transformer ratio of driver-bunch energy into wakefield in a dielectric resonator accelerator 
    Maslov, V.I.; Bondar, D.S.; Onishchenko, I.N.; Papkovich, V.G. (Вопросы атомной науки и техники, 2019)
    Possibility of increase of transformer ratio TR in the case of the profiled sequence of bunches at their injection in a two-beam electron-positron dielectric-resonator collider is considered. Unlike considered earlier the ...
  • Cherenkov radiation of a laser pulse in ion dielectrics 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in ion dielectric waveguide is investigated. Nonlinear electric polarization in isotropic ion dielectric medium and, accordingly, polarization ...
  • Digital identification of the emission spectrum lines of magnetron discharge 
    Afanasіeva, I.A.; Afanasiev, S.N.; Bobkov, V.V.; Gritsyna, V.V.; Drozdov, D.R.; Logachev, Yu.E.; Skrypnyk, A.A.; Shevchenko, D.I. (Вопросы атомной науки и техники, 2019)
    To obtain the qualitative and quantitative characteristics of the discharge plasma spectrum in the Python programming language, a multifunctional interactive GUI-application OSA (Optical Spectrum Analyzed) was created. The ...
  • Mode selection by ohmic losses in longitudinally corrugated cavities of sub-THz second-harmonic gyrotrons 
    Tkachova, T.I.; Shcherbinin, V.I.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2019)
    Ohmic wall losses are proposed as a means for improving the mode selection in a cylindrical gyrotron cavity with longitudinal wedge-shaped corrugations. Such losses depend on mode frequency and geometrical parameters of ...
  • Temporal evolution of the lower hybrid cavities in the ionosphere plasma due to turbulent diffusion 
    Azarenkov, N.A.; Chibisov, D.V.; Kovalenko, N.I.; Maslennikov, D.I. (Вопросы атомной науки и техники, 2019)
    The problem of evolution and disappearance of the lower hybrid cavities that are observed in the plasma of the Earth’s ionosphere is solved. It is assumed that the destruction of the cavity is caused by turbulent diffusion ...
  • High-frequency oscillations in plasma of lower hybrid cavities 
    Azarenkov, N.A.; Chibisov, D.V. (Вопросы атомной науки и техники, 2019)
    The problem of the presence of high-frequency oscillations in lower hybrid cavities in the plasma of the earth's ionosphere is considered. It is assumed that the oscillations in the cavity are excited due to the ring ion ...
  • Helicons in plasma solid-state waveguide of cylindrical configuration 
    Averkov, Yu.O.; Prokopenko, Yu.V.; Yakovenko, V.M. (Вопросы атомной науки и техники, 2019)
    The theory of electromagnetic eigenwaves of a cylindrical plasma waveguide located in a constant longitudinal magnetic field has been created. A dispersion equation has been obtained under condition when the ratio of the ...

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