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Extraordinary and upper-hybrid waves in spin quantum magnetoplasmas with vacuum polarization effect

Published online by Cambridge University Press:  13 July 2021

Jun Zhu Open the ORCID record for Jun Zhu [Opens in a new window] ,
Xiaoshan Liu  and
Yuee Luo
Jun Zhu*
Affiliation:
School of Physics and Electronic Engineering, Shanxi University, Taiyuan 030006, PR China
Xiaoshan Liu
Affiliation:
School of Physics and Electronic Engineering, Shanxi University, Taiyuan 030006, PR China
Yuee Luo
Affiliation:
Department of Mechanical and Electronic Engineering, Jingdezhen University, Jingdezhen 333000, PR China
*
†Email address for correspondence: zhujun@sxu.edu.cn
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Abstract

The propagation of extraordinary and upper-hybrid waves in spin quantum magnetoplasmas with vacuum polarization effect is investigated. Based on the quantum magnetohydrodynamics model including Bohm potential, arbitrary relativistic degeneracy pressure and spin force, and Maxwell's equations modified by the spin current and vacuum polarization current, the dispersion relations of extraordinary and upper-hybrid waves are derived. The analytical and numerical results show that quantum effects (Bohm potential, degeneracy pressure and spin magnetization energy) and the vacuum polarization effect modify the propagation of the extraordinary wave. Under the action of a strong magnetic field, the plasma frequency is obviously increased by the vacuum polarization effect.

Keywords

quantum plasmaastrophysical plasmasplasma waves
Type
Research Article
Information
Journal of Plasma Physics , Volume 87 , Issue 4 , August 2021 , 755870401
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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