Collisionless relaxation of downstream ion distributions in low-Mach number shocks

Collisionless relaxation of downstream ion distributions in low-Mach number shocks
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低马赫数激波中下游离子分布的无碰撞弛豫

DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
M. Balikhin
M. Balikhin
中科院分区:
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文献类型:
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作者:
M. Gedalin;Y. Friedman;M. Balikhin

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研究了低马赫数激波中无碰撞形成的离子的下游分布。对于直接传输的离子,导出了离子密度和压强的渐近值的一般表达式。对于低β情况,提出了过冲强度的解析近似。估计了下游磁振荡的空间衰减尺度。
Collisionlessly formed downstream distributions of ions in low-Mach number shocks are studied. General expressions for the asymptotic value of the ion density and pressure are derived for the directly transmitted ions. An analytical approximation for the overshoot strength is suggested for the low-β case. Spatial damping scale of the downstream magnetic oscillations is estimated.
DOI: 10.1029/2009ja014365
发表时间: 2009-09
影响因子: --
作者:
L. Ofman;M. Balikhin;C. Russell;M. Gedalin
通讯作者: L. Ofman;M. Balikhin;C. Russell;M. Gedalin