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Kinetic Alfven wave instability in a Lorentzian dusty magnetoplasma / N. . Rubab [et al.] // Phys. Plasmas. - 2010. - Vol. 17, Is. 10. - Ст. 103704, DOI 10.1063/1.3491336. - Cited References: 54. - This work is funded by the Higher Education Commission of Pakistan under the HEC-Overseas scholarship program Grant No. Ref: 1-1/PM OS /Phase-II/Batch-I/Austria/2007/. Part of this work was done while N. V. Erkaev was at the Space Research Institute of the Austrian Academy of Sciences in Graz. This work is also supported due to the RFBR Grant No. 09-05-91000-ANF-a. Further support is due to the "Austrian Fonds zur Forderung der Wissenschaftlichen Forschung" under Grant No. P20145-N16. . - ISSN 1070-664X

РУБ Physics, Fluids & Plasmas
Рубрики:
MAXWELLIAN DISTRIBUTION-FUNCTIONS
   FREQUENCY ELECTROMAGNETIC-WAVES
   SOLAR-WIND
   CHARGE FLUCTUATION
   2-STREAM INSTABILITIES
   ELECTROSTATIC MODES
   SPACE PLASMAS
   ION PLASMA
   TEMPERATURE
   PROPAGATION
Кл.слова (ненормированные):
Analytical expressions -- Dispersion relations -- Distributed streaming -- Dust acoustic -- Dust particle -- Growth rate of instabilities -- Magnetized electrons -- N-waves -- Potential theory -- Slow motion -- Streaming velocity -- Theoretical approach -- Two stream instability -- Whistler waves -- Dust -- Magnetic field effects -- Plasma waves -- Stability -- Acoustic wave propagation
Аннотация: This study presents a theoretical approach to analyze the influence of kappa distributed streaming ions and magnetized electrons on the plasma wave propagation in the presence of dust by employing two-potential theory. In particular, analytical expressions under certain conditions are derived for various modes of propagation comprising of kinetic Alfven wave streaming instability, two stream instability, and dust acoustic and whistler waves. A dispersion relation for kinetic Alfven-like streaming instability has been derived. The effects of dust particles and Lorentzian index on the growth rates and the threshold streaming velocity for the excitation of the instability are examined. The streaming velocity is observed to be destabilizing for slow motion and stabilizing for fast streaming motions. It is also observed that the presence of magnetic field and superthermal particles hinders the growth rate of instability. Possible applications to various space and astrophysical situations are discussed. (C) 2010 American Institute of Physics. [doi:10.1063/1.3491336]

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Держатели документа:
[Rubab, N.
Biernat, H. K.] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
[Rubab, N.
Biernat, H. K.] Graz Univ, Inst Phys, A-8010 Graz, Austria
[Erkaev, N. V.] Inst Computat Modelling, Krasnoyarsk 660036, Russia
[Erkaev, N. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Langmayr, D.] Virtual Vehicle Competence Ctr Vif, A-8010 Graz, Austria
ИВМ СО РАН
Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria
And Institute of Physics, University of Graz, Universitatplatz 5, A-8010 Graz, Austria
Institute of Computational Modelling, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 660041 Krasnoyarsk, Russian Federation
Virtual Vehicle Competence Center (Vif), Inffeldgasse 21a, 8010 Graz, Austria

Доп.точки доступа:
Rubab, N.; Erkaev, N. V.; Еркаев, Николай Васильевич; Langmayr, D.; Biernat, H. K.
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