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Перегляд Фізико-технічні та математичні науки за назвою

Репозиторій DSpace/Manakin

Перегляд Фізико-технічні та математичні науки за назвою

Сортувати за: Порядок: Результатів:

  • Rabi oscillations and quantum beats in a qubit in distorted magnetic field 
    Ivanchenko, E.A.; Tolstoluzhsky, A.P. (Физика низких температур, 2007)
    In a two-level system the time-periodic modulation of the magnetic field stabilizing the magnetic resonance position has been investigated. It was shown that the fundamental resonance is stable with respect to consistent ...
  • Rabi oscillations in systems with small anharmonicity 
    Amin, M.H.S. (Физика низких температур, 2006)
    When a two-level quantum system is irradiated with a microwave signal in resonance with the energy difference between the levels, it starts Rabi oscillations between those states. If there are other states close, in ...
  • Racah Polynomials and Recoupling Schemes of su(1,1) 
    Post, S. (Symmetry, Integrability and Geometry: Methods and Applications, 2015)
    The connection between the recoupling scheme of four copies of su(1,1), the generic superintegrable system on the 3 sphere, and bivariate Racah polynomials is identified. The Racah polynomials are presented as connection ...
  • Radar cross section study from wave scattering structures 
    Redadaa, S.; Boualleg, A.; Benslama, N. Merabtine M. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2006)
    Radar remote sensing deals with the extraction of object information from electromagnetic wave parameters. To fully exploit the potential of acquiring quantitative information requires a detailed description of the microwaves ...
  • Radar Range Equation for Ultra Wideband Signals and Ultra Short Pulses 
    Avdeev, V.B. (Радиофизика и радиоастрономия, 2002)
    The range equation for radiolocation of an object and its elements with ultrawideband signals (UWBS) and ultra short pulses (USP) are resulted. The criticism of other published equations is given.
  • Radial acceleration and cumulation of ions by an intense converging ring laser pulse 
    Balakirev, V.A.; Onishchenko, I.N.; Povrozin, A.I.; Tolstoluzhsky, A.P.; Yegorov, A.M. (Вопросы атомной науки и техники, 2008)
    Cumulation dynamics and acceleration of deuterium plasma ions by a focused ring laser pulse of the femtosecond duration are theoretically investigated. Laser pulse is focused by a dielectric lens. The spatial structure ...
  • Radial distributions of RF discharge plasma parameters and radial electric field in the Uragan-3M torsatron 
    Volkov, E.D.; Adamov, I.Yu.; Berezhnyj, V.L.; Kulaga, A.E.; Nazarov, N.I.; Ocheretenko, V.L.; Pinos, I.B.; Shcherbinina, T.E.; Skibenko, A.I.; Slavnyj, A.S.; Tarasov, I.K.; Fomin, I.P. (Вопросы атомной науки и техники, 2000)
    The results of local measurements of RF discharge plasma parameters (plasma density and its fluctuations, electron temperature and energy of superthermal electrons, plasma poloidal rotation velocity) in the Uragam-3M ...
  • Radial profiles of plasma density and poloidal rotation velocity measured by microwave reflectometry for different regimes of RF plasma production in “Uragan-3m” torsatron 
    Skibenko, A.I.; Berezhnyj, V.L.; Volkov, E.D.; Ocheretenko, V.L.; Kotsubanov, B.D.; Nazarov, N.I.; Nikol’skiy, I.K.; Pavlichenko, O.S.; Pinos, I.B.; Fomin, I.P.; Tsibenko, S.A. (Вопросы атомной науки и техники, 2000)
    Studies on choice of optimized regimes of RF plasma production/heating in Uragan-3M were performed by using microwave reflectometry. Radial profiles of electron density and it fluctuation and poloidal rotation velocity ...
  • Radial thermal expansion of pure and Xe-saturated bundles of single-walled carbon nanotubes at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Popov, S.N.; Vinnikov, N.A.; Danilenko, N.I.; Sundqvist, B. (Физика низких температур, 2009)
    The radial thermal expansion coefficient ar of pure and Xe-saturated bundles of single-walled carbon nanotubes (CNT) has been measured in the interval 2.2-120 K. The coefficient is positive above T = 5.5 K and negative at ...
  • Radial thermal expansion of pure and Xe-saturated bundles of single-walled carbon nanotubes at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Popov, S.N.; Vinnikov, N.A.; Danilenko, N.I.; Sundqvist, B. (Физика низких температур, 2009)
    The radial thermal expansion coefficient ar of pure and Xe-saturated bundles of single-walled carbon nanotubes (CNT) has been measured in the interval 2.2-120 K. The coefficient is positive above T = 5.5 K and negative at ...
  • Radial thermal expansion of single-walled carbon nanotube bundles at low temperatures 
    Dolbin, A.V.; Esel'son, V.B.; Gavrilko, V.G.; Manzhelii, V.G.; Vinnikov, N.A.; Popov, S.N.; Sundqvist, B. (Физика низких температур, 2008)
    For the first time the linear coefficient of the radial thermal expansion has been measured on a system of SWNT bundles at low temperatures (2.2–120 K). The measurements were performed using a dilatometer with a sensitivity ...
  • Radiation-acoustic effects at diamond-like coating deposition from the flow of hydrocarbon ions and their influence on kinetic processes 
    Kalinichenko, O.I.; Strel’nitskij, V.E. (Problems of Atomic Science and Technology, 2023)
    Based on the model of the nonlocal thermoelastic peak (NTP) the ion generalized to the case of the ion of polyatomic molecule, the acoustic effect of low-energy ion of a hydrocarbon molecule during plasma-ion deposition ...
  • Radiation and beam energy spread in a channel with random rougness 
    Agafonov, A.V.; Lebedev, A.N. (Вопросы атомной науки и техники, 2001)
    The energy spread of particles inside a short bunch propagating along the co-axial channel with small random axially symmetric wall perturbations is calculated. Although the radiation is small, its reaction on particles ...
  • Radiation/annealing-induced structural changes in GexAs₄₀-xS₆₀ glasses as revealed from high-energy synchrotron X-ray diffraction measurements 
    Kavetskyy, T.S.; Tsmots, V.M.; Stepanov, A.L. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2012)
    Local atomic structure of GexAs₄₀-xS₆₀ glasses (x = 16, 24, 32, and 36) has been investigated in the -irradiated (2.41 MGy dose) and annealed after irradiation states by using the high-energy synchrotron X-ray diffraction ...
  • Radiation complex on the basis of helium ions linac 
    Dubniuk, S.N.; Anokhin, R.A.; Dyachenko, A.F.; Коbets, А.P.; Kravchenko, A.I.; Manuilenko, O.V; Pavlii, К.V.; Reshetnikov, V.N.; Shevchenko, A.S.; Soshenkо, V.A.; Tishkin, S.S.; Zajtsev, B.V.; Zhuravlyov, A.V.; Zhuravlyov, V.G. (Вопросы атомной науки и техники, 2018)
    The numerical simulation results and experimental investigation of helium ions linear accelerator with output energy 4 MeV and focusing by an RF field are presented. The variant of alternating-phase focusing with a ...
  • Radiation creation of cation defects in alkali halide crystals: Review and today’s concept 
    Lushchik, A.; Lushchik, Ch.; Vasil’chenko, E.; Popov, A.I. (Физика низких температур, 2018)
    Irradiation of alkali halide crystals creates pairs of Frenkel defects both in anion and cation sublattices. How-ever, the particular nonimpact creation mechanisms (related to the decay of different electronic excitations) ...
  • Radiation damage in tungsten target of the "KIPT Neutron Source" 
    Gann, V.V.; Gann, A.V.; Borts, B.V.; Karnaukhov, I.M.; Gladkikh, P.I.; Parkhomenko, A.A. (Вопросы атомной науки и техники, 2021)
    In this work, mathematical modeling of a complex of processes occurring in a tungsten target under irradiation with high-energy electrons with an energy of 100 MeV: an electromagnetic shower, the production of photo-neutrons, ...
  • Radiation damage in uranium target of the accelerator driven system “KIPT Neutron Source” 
    Gann, V.V.; Gann, A.V.; Borts, B.V.; Karnaukhov, I.M.; Parkhomenko, A.A. (Вопросы атомной науки и техники, 2021)
    In this work, the rate of radiation damage production in a uranium target of the neutron source at NSC KIPT under electrons irradiation with an energy of 100 MeV was estimated. The contribution of elastic and inelastic ...
  • Radiation damage of CsI:Eu crystals 
    Gektin, A.; Vasyukov, S.; Shiran, N.; Belsky, A. (Functional Materials, 2013)
    The problems of radiation damage and afterglow nature for CsI:Eu crystal are discussed. It was determined that the luminescence parameters depend on the X-ray irradiation conditions. Irradiation leads to emission suppression ...
  • Radiation damage of isotactic polypropylene composites with multi-walled carbon nanotubes 
    Diyakon, L.V.; Dmytrenko, O.P.; Kulish, N.P.; Prylutskyy, Yu.I.; Grabovskiy, Yu.E.; Belyy, N.M.; Alekseev, S.A.; Alekseev, A.N.; Sementsov, Yu.I.; Gavrylyuk, N.A.; Shlapatskaya, V.V.; Valkunas, L.; Ritter, U.; Scharff, P. (Functional Materials, 2008)
    The crystal structure, IR absorption, and photoluminescence spectra of isotactic polypropylene composites with multi-walled carbon nanotubes (MWCNT) have been studied. MWCNT concentrations in the range from 0.1 to 5 wt. % ...

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