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Berman, G. P.
Structure and stability of the quasi-energy spectrum of 2 interacting quantum non-linear resonances / G. P. Berman, A. R. Kolovsky // Phys. Lett. A. - 1983. - Vol. 95, Is. 1. - P. 15-18, DOI 10.1016/0375-9601(83)90768-5. - Cited References: 5 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Берман, Геннадий Петрович
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IGNATCHENKO, V. A.
CORRELATION-FUNCTIONS OF RANDOM ANISOTROPY AND THE PROBLEM OF FERROMAGNET STATE STABILITY / V. A. IGNATCHENKO, R. S. ISKHAKOV // Journal de Physique. - 1988. - Vol. 49, Is. C-8. - P. 1245-1246, DOI 10.1051/jphyscol:19888565. - Cited References: 8 . - ISSN 0302-0738

РУБ Physics, Multidisciplinary

WOS
Держатели документа:
LV KIRENSKII PHYS INST,KRASNOYARSK 660036,USSR
ИФ СО РАН
Доп.точки доступа:
ISKHAKOV, R. S.; Исхаков, Рауф Садыкович; Игнатченко, Вальтер Алексеевич
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Beloshapkin, V. V.
Stability of space structures and soliton-antisoliton pair annihilation in the discrete PHI-4-model / V. V. Beloshapkin, G. P. Berman, A. G. Tretyakov // Zhurnal Eksperimentalnoi Teor. Fiz. - 1989. - Vol. 95, Is. 2. - P. 723-731. - Cited References: 11 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
Berman, G. P.; Берман, Геннадий Петрович; Tretyakov, A. G.; Третьяков, Александр Григорьевич; Белошапкин, Валерий Васильевич
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An analysis of the mechanism of Kerr effect enhancement in Mn/Dy/Bi / S. G. Ovchinnikov [et al.] // Phys. Solid State. - 1999. - Vol. 41, Is. 1. - P. 80-86, DOI 10.1134/1.1130733. - Cited References: 35 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
ELECTRONIC-STRUCTURE
   THIN-FILMS
   MAGNETIC-PROPERTIES
   RARE-EARTH
   MAGNETOOPTICAL PROPERTIES
   MNBI FILMS
   STABILITY
   GD
Аннотация: A study is reported of the structural, magnetic, and magneto-optic properties of Mn/Dy/Bi films obtained by multilayer technology. The maximum Kerr rotation angle in such films is shown to be theta(k) = 2.25 degrees. Possible reasons for such a large Kerr effect enhancement are considered, namely, an increase in the 6p - 3d transition probability caused by symmetry distortion, polarization of the Bi6p band, and a change in the density of states near the Fermi level. The latter reason has been analyzed by simulating the electronic structure of Mn/Dy/Bi through superposition of Dy levels on the MnBi band structure. This approach has revealed possible additional transitions which may be induced by the presence of a Dy buffer and could contribute to the Kerr magneto-optic effect. (C) 1999 American Institute of Physics. [S1063=7834(99)02001-8].

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Публикация на русском языке Анализ механизма увеличения эффекта Керра в Mn/Dy/Bi [Текст] / С. Г. Овчинников [и др.] // Физ. тверд. тела. - С.-Петербург, 1999. - Т. 41 Вып. 1. - С. 91-97

Держатели документа:
Russian Acad Sci, LV Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Burkova, L. V.; Буркова, Людмила Викторовна; Seredkin, V. A.; Середкин, Виталий Александрович; Yakovchuk, V. Y.
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Erkaev, N. V.
Solution for jump conditions at fast shocks in an anisotropic magnetized plasma / N. V. Erkaev, D. F. Vogl, H. K. Biernat // J. Plasma Phys. - 2000. - Vol. 64. - P. 561-578, DOI 10.1017/S002237780000893X. - Cited References: 10 . - ISSN 0022-3778

РУБ Physics, Fluids & Plasmas
Рубрики:
MAGNETOSHEATH
Кл.слова (ненормированные):
Magnetic anisotropy -- Magnetic field effects -- Magnetohydrodynamics -- Plasma sheaths -- Plasma shock waves -- Plasma stability -- Pressure effects -- Thermal effects -- Alfven Mach number -- Anisotropic magnetized plasma -- Jump condition -- Magnetoplasma
Аннотация: We study the magnetic field and plasma parameters downstream of a fast shock as functions of normalized upstream parameters and the rate of pressure anisotropy (defined as the ratio of perpendicular to parallel pressure). We analyse two cases: with the shock (i) perpendicular and (ii) inclined with respect to the magnetic field. The relations on the fast, shock in a magnetized anisotropic plasma are solved taking into account the criteria for the mirror instability and firehose instability bounding the pressure anisotropy downstream of the shock. Our analysis shows that the parallel pressure and the parallel temperature as well as the tangential component of the velocity are the parameters that are most sensitive to the rate of pressure anisotropy. The variations of the other parameters, namely density, normal velocity, tangential component of the magnetic field, perpendicular pressure, and perpendicular temperature are much less pronounced, in particular when the perpendicular pressure exceeds the parallel pressure. The variations of all parameters increase substantially for a very low rate of anisotropy, which is bounded by the firehose instability in the case of inclined shocks. Using the criterion for mirror instability as a closure relation for the jump conditions at the fast shock, we obtain the plasma parameters and the magnetic field downstream of the shock as functions of the Alfven Mach number. For each Alfven Mach number, the criterion for mirror instability determines the minimum jumps in such parameters as density, tangential magnetic field component, parallel pressure, and temperature. and determines the maximum values of the velocity components and the perpendicular temperature. Ideal anisotropic magnetohydrodynamics (MHD) has wide applications for space plasma physics. Observations of the field and plasma behaviour in the solar wind as well as in the Earth's magnetosheath have highlighted the need for an MHD model where the plasma pressure is treated as a tensor.

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Держатели документа:
Russian Acad Sci, Inst Computat Modelling, Krasnoyarsk 660036, Russia
Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
Graz Univ, Inst Geophys, A-8010 Graz, Austria
Graz Univ, Inst Theoret Phys, A-8010 Graz, Austria
ИВМ СО РАН
Institute of Computational Modelling, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Space Research Institute, Austrian Academy of Sciences, Schmiedlstra?e 6, A-8042 Graz, Austria
Institute for Geophysics, Astrophysics, and Meteorology, University of Graz, Universitatsplatz 5, 8010 Graz, Austria
Institute for Theoretical Physics, University of Graz, Universitatsplatz 5, 8010 Graz, Austria

Доп.точки доступа:
Vogl, D. F.; Biernat, H. K.; Еркаев, Николай Васильевич
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Raman spectra and pressure-induced lattice instabilities in RbMnCl3 crystal / A. N. Vtyurin [et al.] // 11th International Conference on Phonon Scattering in Condensed Matter (PHONONS 2004) (JUL 25-30, 2004, St Petersburg, RUSSIA) : WILEY-V C H VERLAG GMBH, 2004. - 11th International Conference on Phonon Scattering in Condensed Matter (PHONONS 2004) (JUL 25-30, 2004, St Petersburg, RUSSIA). - P. 3097-3100, DOI 10.1002/pssc.200405332. - Cited References: 14 . - ISBN 3-527-40588-7

РУБ Physics, Condensed Matter
Рубрики:
PHASE-TRANSITION
SPECTROSCOPY
Кл.слова (ненормированные):
Frequencies -- Hydrostatic pressure -- Mathematical models -- Parameter estimation -- Raman scattering -- Spectrometers -- Stability -- Ambient conditions -- Anomalies -- Lattice instabilities -- Structural units -- Rubidium compounds
Аннотация: Raman scattering spectra of the RbMnCl3 crystal have been studied under ambient conditions and under high hydrostatic pressure. The results produced have been interpreted with the ab initio model. The experimental data agree well with the estimated values in the low frequency range and show a slightly worse agreement at higher frequencies. A phase transition from the hexagonal phase to the perovskite phase predicted earlier within the same model was observed under high pressure (above 0.7 GPa) and new transitions to lower symmetry phases were found at higher pressures (1.1 GPa and 5 GPa). (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Inst. of Mineralogy and Petrography, 630090 Novosibirsk, Russian Federation

Доп.точки доступа:
Vtyurin, A. N.; Втюрин, Александр Николаевич; Goryainov, S. V.; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.; Крылова, Светлана Николаевна; Shefer, A. D.; Zamkova, N. G.; Замкова, Наталья Геннадьевна; Zinenko, V. I.; Зиненко, Виктор Иванович
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Langmayr, D.
Influence of kappa-distributed ions on the two-stream instability / D. . Langmayr, H. K. Biernat, N. V. Erkaev // Phys. Plasmas. - 2005. - Vol. 12, Is. 10. - Ст. 102103, DOI 10.1063/1.2065370. - Cited References: 30 . - ISSN 1070-664X

РУБ Physics, Fluids & Plasmas
Рубрики:
QUASI-PERPENDICULAR SHOCKS
   FIELD STREAMING INSTABILITY
   DISPERSION FUNCTION
   MIRROR INSTABILITY
   SPACE PLASMAS
   EQUILIBRIUM
Кл.слова (ненормированные):
Electromagnetic wave propagation -- Electrostatics -- Magnetism -- Magnetization -- Growth rate -- Modified two-stream instability (MTSI) -- Two-stream instability -- Plasma stability
Аннотация: This paper is the first approach for analyzing the influence of kappa-distributed particles on the modified two-stream instability (MTSI). It is assumed that the plasma consists of a magnetized Maxwellian electron contribution and unmagnetized kappa-distributed ions drifting across the electrons. Within an electrostatic approximation, the influence of the kappa parameter on the maximum growth rate of the MTSI is evaluated for the special case of parallel drift velocity and wave propagation.

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Держатели документа:
Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
Russian Acad Sci, Inst Computat Modelling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria
Institute of Computational Modelling, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Biernat, H. K.; Erkaev, N. V.; Еркаев, Николай Васильевич
}
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Frank, A. M.
Shear driven solitary waves on a liquid film / A. M. Frank // Phys. Rev. E. - 2006. - Vol. 74, Is. 6. - Ст. 65301, DOI 10.1103/PhysRevE.74.065301. - Cited References: 21 . - ISSN 1539-3755

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
INCLINED CHANNEL
   FLOWS
   DYNAMICS
   STABILITY
Кл.слова (ненормированные):
Gravity waves -- Laminar flow -- Navier Stokes equations -- Reynolds number -- Shear waves -- Liquid films -- Solitary waves -- Traveling waves -- Wave amplitudes -- Thin films
Аннотация: Long nonlinear two-dimensional traveling waves on a film driven by laminar gas flow are investigated numerically via solving Navier-Stokes equations. The evolution of their shape, amplitude, and speed with increasing Reynolds number is studied. The existence of solitary waves is demonstrated. A comparison between shear driven and gravity-capillary waves is made and discussed. It is shown that shear driven waves as compared to gravity driven waves are much higher for equal film Reynolds numbers and much slower for equal wave amplitudes.

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Держатели документа:
SB RAS, Inst Computat Modeling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Institute of Computational Modeling, SB, RAS, Krasnoyarsk, 660036, Russian Federation
}
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Vasil'ev, E. N.
The spatial structure of a current layer in an MGD channel / E. N. Vasil'ev, D. A. Nesterov // High Temp. - 2006. - Vol. 44, Is. 4. - P. 497-506, DOI 10.1007/s10740-006-0062-7. - Cited References: 9 . - ISSN 0018-151X

РУБ Physics, Applied

Кл.слова (ненормированные):
Electric discharges -- Flow of fluids -- Gas dynamics -- High pressure effects -- Numerical methods -- Thermodynamic stability -- Current conducting channels -- Radiation gas dynamics -- Rayleigh Taylor instability -- Channel flow
Аннотация: The numerical solution of an unsteady-state three-dimensional set of equations of radiation gas dynamics is used to investigate the process of formation of a current layer in an MGD channel. It is found that the structure of current layer and the integral characteristics of interaction at low and high pressures are different because of the different patterns of radiation (volume and surface, respectively). The processes of flow past the discharge region and the division of this region into several current-conducting channels because of the development of Rayleigh-Taylor instability result in a decrease in the efficiency of MGD interaction.

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Держатели документа:
Russian Acad Sci, Siberian Div, Inst Computat Modeling, Krasnoyarsk 660036, Russia
ИВМ СО РАН
Institute of Computational Modeling, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Nesterov, D. A.; Васильев, Евгений Николаевич
}
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10.

Shear driven waves in the induced magnetosphere of Mars / H. . Gunell [et al.] // Plasma Phys. Control. Fusion. - 2008. - Vol. 50, Is. 7. - Ст. 74018, DOI 10.1088/0741-3335/50/7/074018. - Cited References: 27 . - ISSN 0741-3335

РУБ Physics, Fluids & Plasmas + Physics, Nuclear
Рубрики:
SOLAR-WIND INTERACTION
   KELVIN-HELMHOLTZ INSTABILITY
   MARTIAN ATMOSPHERE
   VELOCITY SHEAR
   VENUS
   PLASMA
   MHD
   IONOPAUSE
   SIMULATIONS
   BOUNDARY
Кл.слова (ненормированные):
Charged particles -- Magnetosphere -- Motion estimation -- Natural frequencies -- Plasma stability -- Shearing machines -- p ,p ,t measurements -- Computational results -- Electron densities -- Fundamental frequency (FF) -- Higher harmonics -- ion densities -- Ion velocities -- velocity shear -- Electrons
Аннотация: We present measurements of oscillations in the electron density, ion density and ion velocity in the induced magnetosphere of Mars. The fundamental frequency of the oscillations is a few millihertz, but higher harmonics are present in the spectrum. The oscillations are observed in a region where there is a velocity shear in the plasma flow. The fundamental frequency is in agreement with computational results from an ideal-MHD model. An interpretation based on velocity-shear instabilities is described.

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Держатели документа:
[Gunell, H.
Koepke, M.] W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA
[Amerstorfer, U. V.
Biernat, H. K.] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
[Amerstorfer, U. V.
Biernat, H. K.] Graz Univ, Inst Phys, A-8010 Graz, Austria
[Nilsson, H.
Holmstrom, M.
Lundin, R.
Barabash, S.] Swedish Inst Space Phys, SE-98128 Kiruna, Sweden
[Grima, C.] Lab Planetol Grenoble, F-38041 Grenoble 9, France
[Fraenz, M.] Max Planck Inst Sonnensyst Forsch, D-37191 Katlenburg Lindau, Germany
[Winningham, J. D.
Frahm, R. A.] SW Res Inst, San Antonio, TX USA
[Sauvaud, J-A
Fedorov, A.] Ctr Etud Spatiale Rayonnements, F-31028 Toulouse, France
[Erkaev, N. V.] Russian Acad Sci, Inst Computat Modelling, Krasnoyarsk 660036 36, Russia
ИВМ СО РАН
Department of Physics, West Virginia University, Morgantown, WV 26506-6315, United States
Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, A-8042 Graz, Austria
Institute of Physics, University of Graz, Universitatsplatz 5, A-8010 Graz, Austria
Swedish Institute of Space Physics, P.O. Box812, SE-981 28 Kiruna, Sweden
Laboratoire de Planetologie de Grenoble, BP-53, F-38041 Grenoble Cedex 9, France
Max-Planck-Institut fur Sonnensystemforschung, Max-Planck-Stra?e 2, 37191 Katlenburg-Lindau, Germany
Southwest Research Institute, San Antonio, TX 7228-0510, United States
Centre d'Etude Spatiale des Rayonnements, BP-4346, F-31028 Toulouse, France
Institute of Computational Modelling, Russian Academy of Sciences, 660036 Krasnoyarsk-36, Russian Federation

Доп.точки доступа:
Gunell, H.; Amerstorfer, U. V.; Nilsson, H.; Grima, C.; Koepke, M.; Franz, M.; Winningham, J. D.; Frahm, R. A.; Sauvaud, J. A.; Fedorov, A.; Erkaev, N. V.; Еркаев, Николай Васильевич; Biernat, H. K.; Holmstrom, M.; Lundin, R.; Barabash, S.
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