Influence of coupling on thermal forces and dynamic friction in plasmas with multiple ion species

被引：10
|
作者：
Kagan, Grigory [1 ]
Baalrud, Scott D. [2 ]
Daligault, Jerome [1 ]
机构：
[1] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA
[2] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
来源：
PHYSICS OF PLASMAS | 2017年 / 24卷 / 07期
关键词：
DIFFUSION; COEFFICIENTS;
D O I：
10.1063/1.4986086
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The recently proposed effective potential theory [Phys. Rev. Lett. 110, 235001 (2013)] is used to investigate the influence of coupling on inter-ion-species diffusion and momentum exchange in multi-component plasmas. Thermo-diffusion and the thermal force are found to diminish rapidly as strong coupling onsets. For the same coupling parameters, the dynamic friction coefficient is found to tend to unity. These results provide an impetus for addressing the role of coupling on diffusive processes in inertial confinement fusion experiments. Published by AIP Publishing.
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页数：10
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