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Magnetohydrodynamic wave modes in relativistic anisotropic quantum plasma
Physics of Plasmas ( IF 2.2 ) Pub Date : 2020-04-01 , DOI: 10.1063/1.5143764
Archana Patidar 1 , Prerana Sharma 1
Affiliation  

This paper presents an overview of waves and instabilities in relativistic degenerate plasma using magnetohydrodynamic double polytropic laws. The model equations are closed by the double polytropic laws. The general dispersion relation has been derived using the normal mode analysis, which consists of two interesting modes, i.e., shear Alfven mode and modified magnetosonic modes (both slow and fast). The shear Alfven mode is significantly modified by anisotropic pressure and relativistic effects and remains unaffected from quantum effects. The shear Alfven mode develops the firehose instability, which is free from the relativistic factor. The obtained slow and fast magnetosonic modes are further discussed in parallel, perpendicular, and oblique modes of propagation. The Alfven and sound waves propagate in parallel mode, while only the magnetosonic mode propagates in perpendicular mode. The sound wave and magnetosonic wave modes are found to be modified by relativistic and quantum effects. The oblique wav...

中文翻译:

相对论各向异性量子等离子体中的磁流体动力波模式

本文使用磁流体动力学双多变定律概述了相对论简并等离子体中的波和不稳定性。模型方程由双重多变定律封闭。一般的色散关系已经使用正常模式分析得出,它由两个有趣的模式组成,即剪切阿尔文模式和修正的磁声模式(慢速和快速)。剪切阿尔文模式受到各向异性压力和相对论效应的显着修改,并且不受量子效应的影响。剪切 Alfven 模式产生了水管不稳定性,它不受相对论因素的影响。在平行、垂直和倾斜传播模式中进一步讨论了获得的慢速和快速磁声波模式。阿尔芬波和声波以平行方式传播,而只有磁声波模式以垂直模式传播。发现声波和磁声波模式被相对论和量子效应修改。斜波...
更新日期:2020-04-01
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