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Перегляд Вопросы атомной науки и техники, 2005, № 2 за темою "Plasma electronics"

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2005, № 2 за темою "Plasma electronics"

Сортувати за: Порядок: Результатів:

  • Amplification and excitation of microwaves by an electron beam in a disk-loaded coaxial hybrid waveguide 
    Antipov, V.S.; Berezhnaya, I.V.; Kornilov, E.A.; Markov, P.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2005)
    We have presented the results of the extensive experimental investigations of the amplification and oscillation excitation by the electron beam in hybrid plasma waveguides (HPW). The structure used as HPW a coaxial line ...
  • Beam instability stabilization in hybrid plasma waveguide 
    Antonov, A.N.; Kovpik, O.F.; Kornilov, E.A.; Svichensky, V.G. (Вопросы атомной науки и техники, 2005)
    The authors submit the results of investigations of the beam-plasma instability derangement in the hybrid plasma waveguide. The latter, placed into the longitudinal magnetic field, consists of a chain of cavities connected ...
  • Excitation of high numbers harmonics by flows of oscillators in a periodic potential 
    Buts, V.A.; Marekha, V.I.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2005)
    It is shown that the maximum of radiation spectrum of nonrelativistic oscillators, which move into a periodically inhomogeneous potential, can be in the region of high numbers harmonics. Spectrum of such oscillators radiation ...
  • Excitation of lf ion oscillations in the systems with relativistic electron beam 
    Balakirev, V.A.; Onishchenko, N.I. (Вопросы атомной науки и техники, 2005)
    The instability of LF wave in ion flow during acceleration by space charge wave in collective ion accelerator based on high current REB, which is modulated in time and in space, is investigated.
  • Features of the motion of charged particles in the field of the high-frequency impulse of large intensity 
    Buts, V.A.; Kuzmin, V.V. (Вопросы атомной науки и техники, 2005)
    The results of analytical and numerical examinations of features dynamic of charged particles in a field of intensive electromagnetic waves are reported. It is shown that the trajectories of particles, which has initially ...
  • Interaction of the modulated electron beam with inhomogeneous plasma: plasma density profile deformation and langmuir waves excitation 
    Anisimov, I.O.; Kelnyk, O.I.; Siversky, T.V.; Soroka, S.V. (Вопросы атомной науки и техники, 2005)
    Nonlinear deformation of the initially linear plasma density profile due to the modulated electron beam is studied via computer simulation. In the initial time period the field slaves to the instantaneous profile of the ...
  • Langmuir waves excitation by electron beam with the limited cross-section in the near-Eearth electron foreshock 
    Anisimov, I.O.; Krasnosselskikh, V.V.; Musatenko, K.S. (Вопросы атомной науки и техники, 2005)
    Model of the stripped monoenergetic electron beam with the sharp boundaries based on the results of CLUSTER measurements is proposed for the near-Earth foreshock vicinity. Dispersion equation is obtained and analyzed using ...
  • Low-frequency processes at interaction of ion flows with relativistic electron beams 
    Balakirev, V.A.; Onishchenko, N.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2005)
    Nonlinear process of excitation of LF oscillations is investigated at radial injection of ion stream into the drift chamber in which tubular REB is propagated. The mechanism of LF ion oscillation excitation is investigated.
  • Measurement of dispersion of low-frequency ion oscillations in hybrid plasma waveguides 
    Antipov, V.S.; Antonov, A.N.; Balakirev, V.A.; Kovpik, O.F.; Kornilov, E.A.; Matyash, K.V.; Svichensky, V.G. (Вопросы атомной науки и техники, 2005)
    A new technique of determining dispersion characteristics of the ion oscillations, excited in the hybrid plasma waveguide is elaborated (this device is a slow-wave structure, the passage channel of which is filled with ...
  • On the possibility to create the plasma amplifier with direct radiation of electromagnetic waves 
    Anisimov, I.O.; Levitsky, S.M.; Myshko, S.M. (Вопросы атомной науки и техники, 2005)
    The possible scheme of plasma amplifier with direct radiation is proposed. Energy of amplified oscillations is coupled out due to transitional radiation on the plasma border retained by constant magnetic field. For this ...
  • Relativistic electron beam pinching in plasma and cumulation of ions 
    Fainberg, Ya.B.; Balakirev, V.A.; Karas’, I.V.; Karas’, V.I. (Вопросы атомной науки и техники, 2005)
    A process of the high-current relativistic electron beam pinching propagating in plasma has been considered. A time of pinching of an electron - ion system has been defined. Maximum compression ratio, the ion density and ...
  • Self-focusing of radiation in non-uniform mediums 
    Buts, A.V.; Buts, V.A.; Churyumov, G.I. (Вопросы атомной науки и техники, 2005)
    The possibility of self-focusing in propagating the rays in the non-uniform mediums is shown. This self-focusing is similar to a Veksler-Mac-Millan’s autophasing in the theory of accelerators. The self-focusing of the rays ...
  • Stabilization of beam instability in wave-wave interaction 
    Buts, V.A.; Kovalchuk, I.K.; Kornilov, E.A.; Tarasov, D.V. (Вопросы атомной науки и техники, 2005)
    The new mechanism of stabilization of beam instability is proposed. The basis of this mechanism is the process of dynamical chaos at weak nonlinear interaction of waves. It is shown that mechanisms of stochastic decay are ...
  • The peculiarities of particles transition through split separatrix 
    Buts, V.A.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2005)
    The dynamics of charged particle transition through a stochastic layer generated by a split separatrix is investigated on an example of mathematical pendulum motion with damping under acting of external periodic disturbance. ...
  • Using of perfectly matched layer (PML) in compucter simulation of the high-power relativistic plasma microwave amlifier 
    Bogdankevich, I.L.; Rukhadze, A.A.; Tarakanov, V.P. (Вопросы атомной науки и техники, 2005)
    Computer simulation of the relativistic plasma microwave amplifier was made by using code KARAT. A pure amplification regime (without accompanying generation) was achieved in such amplifier in the experiment [1]. The ...
  • Wave nonlinear interaction effect on beam-plasma reciprocal influence 
    Buts, V.A.; Kovpik, O.F.; Kornilov, E.A. (Вопросы атомной науки и техники, 2005)
    The authors have examined the oscillation excitation by an extensive nonrelativistic beam of electrons in the beamplasma discharge in the magnetic field when the beam power is about hundreds of kilowatts. It is demonstrated ...

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