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Plasma Physics Reports

, Volume 45, Issue 7, pp 685–698 | Cite as

MHD Waves and Instabilities in Two-Component Anisotropic Plasma

  • N. S. Dzhalilov
  • S. Sh. HuseinovEmail author
SPACE PLASMA
  • 11 Downloads

Abstract

Based on the 16-moment MHD transport equations, the propagation of linear waves in an anisotropic homogeneous cosmic plasma is considered. A general dispersion relation is derived with allowance for two plasma components (electrons and protons) and heat flux along the magnetic field. This dispersion relation is a generalization of the previously studied cases of one-component (ion) plasma. The case in which the effects associated with the heat flux are ignored is analyzed in more detail. In the limit of longitudinal propagation, the wave modes fully consistent with the modes known in the low-frequency kinetic theory of collisionless plasma are classified. Firehose and mirror instabilities are analyzed. It is shown that taking into account the electron component modifies the growth rates and thresholds of instabilities.

Notes

ACKNOWLEDGMENTS

We are grateful to the anonymous referee for useful comments and recommendations, which were taken into account when revising the manuscript.

FUNDING

This work was supported by the Foundation for the Development of Science under the President of the Republic of Azerbaijan, project nos. EIF-KETPL-2-2015-1(25)-56/11/1 and EIF-BGM-4-RFTF-1/2017-21/06/1 (joint Russian–Azerbaijan grant).

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Shamakhy Astrophysical Observatory, Azerbaijan National Academy of SciencesPirkuluAzerbaijan

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