Electromagnetic instabilities in weakly relativistic plasmas

•The spin-orbit coupling effects on electromagnetic instabilities have been studied.•Dispersion relation is derived based on the Wigner and the Qtransformation.•The growth rate of the velocity space instabilities is derived analytically.•Results are investigated in the ICF and the astrophysical subj...

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Bibliographic Details
Published inChinese journal of physics (Taipei) Vol. 66; pp. 745 - 757
Main Authors Mahdavi, M., Khanzadeh, H.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2020
Subjects
Astrophysical subjects
Electromagnetic instability
ICF plasma
Kinetic theory
Spin-orbit coupling
Spin-orbit coupling
Electromagnetic instability
Kinetic theory
ICF plasma
Astrophysical subjects
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Summary:•The spin-orbit coupling effects on electromagnetic instabilities have been studied.•Dispersion relation is derived based on the Wigner and the Qtransformation.•The growth rate of the velocity space instabilities is derived analytically.•Results are investigated in the ICF and the astrophysical subjects.•A comparison to the fully non relativistic cases is presented. The spin-orbit coupling effects on the velocity space electromagnetic instabilities have been analytically studied. In this order, first, a suitable form of the kinetic theory is introduced and then, results are investigated for real ICF and astrophysical plasmas. For the ICF plasmas, Low intensity magnetic field can not provide a suitable field for effectiveness of the particle’s spin, while transmission to astrophysical subjects is different. For astrophysical applications, the spin-orbit coupling effects can lead to addition free energy so that, it can overcoming the non relativistic effects and leads to increasing the instability growth rate.
ISSN:0577-9073
DOI:10.1016/j.cjph.2020.05.025