Profile of a low-Mach-number shock in two-fluid plasma theory

被引：3
|
作者：
Gedalin, M. [1 ]
Kushinsky, Y. [1 ]
Balikhin, M. [2 ]
机构：
[1] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel
[2] Univ Sheffield, Dept Automat Control & Syst Engn, Sheffield, S Yorkshire, England
来源：
ANNALES GEOPHYSICAE | 2015年 / 33卷 / 08期
基金：
以色列科学基金会;
关键词：
Interplanetary physics (interplanetary shocks; planetary bow shocks); space plasma physics (shock waves); QUASI-PERPENDICULAR SHOCK; COLLISIONLESS SHOCKS; ALFVEN-WAVES; BOW SHOCKS; HIGH-BETA; ION; OVERSHOOTS; PARALLEL; ISEE-1;
D O I：
10.5194/angeo-33-1011-2015
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Magnetic profiles of low-Mach-number collisionless shocks in space plasmas are studied within the two-fluid plasma theory. Particular attention is given to the upstream magnetic oscillations generated at the ramp. By including weak resistive dissipation in the equations of motion for electrons and protons, the dependence of the upstream wave train features on the ratio of the dispersion length to the dissipative length is established quantitatively. The dependence of the oscillation amplitude and spatial damping scale on the shock normal angle theta is found.
引用
收藏
页码：1011 / 1017
页数：7
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