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Сортувати за: Порядок: Результатів:

  • Cherenshchykov, S.A.; Kotsubanov, V.D.; Nikolskii, I.K. (Вопросы атомной науки и техники, 2009)
    The electron beam is frequently used for the energy input into the plasma. However, the strong transverse field hampers the charged-particle beam penetration into a closed magnetic trap. This problem can be solved by ...
  • Kiselev, V.A.; Kirichenko, Yu.V.; Linnik, A.F.; Onishchenko, I.N.; Papkovich, V.G.; Pristupa, V.I. (Вопросы атомной науки и техники, 2013)
    Results of theoretical and experimental studies of surface wakefield excitation in tubular dielectric tube without metal casing by a sequence of relativistic electron bunches were presented. The wakefield excitation in ...
  • Onishchenko, I.N.; Sotnikov, G.V (Вопросы атомной науки и техники, 2004)
    The excitation of a slow electromagnetic wave by intense relativistic electron beam (IREB) in the cylindrical drift chamber is theoretically investigated. The beam current is modulated in time. Because of propagation of ...
  • Tolochkevich, Yu.M.; Litoshenko, T.E.; Anisimov, I.O. (Вопросы атомной науки и техники, 2012)
    Results of analytic study and computer simulation of the wake waves excitation by cylindrical charged bunches are presented. Analytic solution was obtained for cold plasma in the given current approximation. Simulation was ...
  • Balakirev, V.A.; Onishchenko, N.I.; Sidorenko, D.Yu.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2002)
    The theoretical investigations and simulation are performed for the emission of a relativistic electron bunch during the injection into a semi-infinite vacuum/dielectric waveguide. The power and the frequency spectrum ...
  • Bondar, D.S.; Maslov, V.I.; Levchuk, I.P.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2018)
    Since it is possible to form laser pulses with a frequency much larger than the frequency of visible light, Prof. T.Tajima proposed using such pulse to accelerate the particles at its injection into the crystal. Here, the ...
  • Balakirev, V.A.; Onishchenko, I.N.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2014)
    Results of the theoretical investigations of excitation process of wakefields in semi-infinite dielectric waveguides by finite sequence of nonresonance relativistic bunches are presented. Dependence of wakefield amplitude ...
  • Kosevich, A.M. (Condensed Matter Physics, 2005)
    It is shown that the condensate of a degenerated Bose gas consisting of neutral atoms possesses electrical properties which differ from a trivial polarization of the atoms in the electric field. A notion of an ...
  • Arrigoni, F.; Vitali, E.; Galli, D.E.; Reatto, L. (Физика низких температур, 2013)
    In this work we perform an ab-initio study of an ideal two-dimensional sample of ⁴He atoms, a model for ⁴He films adsorbed on several kinds of substrates. Starting from a realistic hamiltonian we face the microscopic ...
  • Kondratenko, P.A.; Lopatkin, Yu.M.; Sakun, T.N. (Functional Materials, 2008)
    Results of experimental and theoretical studies are considered concerning the processes running during a molecule relaxation from a high-excited state obtained both under a single-quantum (S₀->Sn) and a two-stage (S0 -ʰᵛ> ...
  • Luzanov, A.V.; Zhikol, O.A. (Functional Materials, 2016)
    The previously developed ESSA for configuration interaction singles (CIS) method is extended to a more rigorous many-body theory of excited states based on spin-flip (SF) transformations. The so-called SF-CIS (SF approach ...
  • Luzanov, A.V. (Functional Materials, 2014)
    The excited states structural analysis (ESSA) which was previously developed by the author and coll. (1980, 2010) is extended to a typical equation-of-motion approach within the coupled cluster theory. The extended ESSA ...
  • Balakirev, V.A.; Gaponenko, N.I.; Gorban, A.M.; Gorozhanin, D.V.; Egorov, A.M.; Ermolenko, V.V.; Lonin, Yu.F.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2000)
    In the given operation the opportunity of reception powerful electromagnetic irradiation (EMI) is observationally explored by excitation by a impulsive relativistic electronic beam (IREB) of a TEM-horn antenna. It is ...
  • Ahn, J.W.; Karelin, S.Yu; Krasovitsky, V.B.; Kwon, H.O.; Magda, I.I.; Mukhin, V.S.; Sinitsin, V.G. (Вопросы атомной науки и техники, 2015)
    1D and 2D simulation methods and research into the formation of high frequency oscillations in a coaxial nonlinear transmission line (NLTL) partially filled with a longitudinally magnetized ferrite are presented. Dynamics ...
  • Kovalenko, V.V.; Kovalenko, E.N.; Yunakova, O.N.; Yunakov, N.N. (Functional Materials, 2016)
    Absorption spectra of KPb2Br5 thin films of tetragonal (I) and monoclinic (II) structures were investigated in the spectral region of 2-6 eV and the temperature range of 90-440 K. It was found that KPb₂Br₅(I) of the ...
  • Yunakova, O.N.; Miloslavsky, V.K.; Kovalenko, E.N.; Kovalenko, V.V. (Functional Materials, 2015)
    Absorption spectrum of Cs₄PbCl₆ thin films was studied in the spectral range of 2-6 eV within the temperature interval 90-500 K. Localization of low-frequency excitonic states in sublattice of the compound containing Pb²⁺ ...
  • Yunakova, O.N.; Miloslavskii, V.K.; Kovalenko, E.N. (Functional Materials, 2013)
    The absorption spectra of thin films of (KI)₁₋x(PbI₂)x 0.1≤ x≤ 0.5 were investigated in the spectral interval 2–6 eV. The formation of two compounds KPbI₃ and K₄PbI₆ in system KI–PbI₂ was determined on the basis of the ...
  • Sugakov, V.I. (Физика низких температур, 2006)
    The theory of exciton condensation is given in two-dimensional systems under suggestion that condensation occurs in really space and condensed phase arises as a result of an attractive interaction between excitons. Due ...
  • Tomylko, V.V.; Goliney, I.Yu.; Chernyuk, A.A.; Sugakov, V.I. (Физика низких температур, 2014)
    The condensation of indirect excitons in double quantum wells is studied in an electric field created by electrodes of different shapes. The finite value of the exciton lifetime, the pumping and nonuniformity of the electric ...
  • Sachenko, A.V.; Gorban, A.P.; Korbutyak, D.V.; Kostylyov, V.P.; Kryuchenko, Yu.V.; Chernenko, V.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2004)
    A theoretical analysis of the band-edge electroluminescence efficiency in silicon diodes and p-i-n-structures has been made. We have shown that maximal possible efficiency can achieve 10 % both at room and liquid nitrogen ...