Non-equilibrium electron transport in gases: Influence of magnetic fields on temporal and spatial relaxation

被引：0
|
作者：
White, R. D. [1 ]
Li, B. [2 ]
Dujko, S. [1 ]
Ness, K. F. [1 ]
Robson, R. E. [1 ,3 ]
机构：
[1] James Cook Univ N Queensland, Sch Math Phys & IT, Townsville, Qld 4811, Australia
[2] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
[3] Australian Natl Univ, Res Sch Phys Sci, Canberra, ACT 2600, Australia
来源：
PHYSICS OF IONIZED GASES | 2006年 / 876卷
关键词：
electron swarms; Boltzmann equation; transient phenomena; spatial relaxation;
D O I：
暂无
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 ability to control the temporal and spatial relaxation of electron swarms in gases through application of an orthogonal magnetic field is examined via solutions of Boltzmann's equation. Multi-term solutions of Boltzmann's equation are presented for two specific applications: temporal relaxation in the time-dependent hydrodynamic regime, and spatial relaxation in the steady state non-hydrodynamic regime. We highlight the commonality of methods and techniques for handling the velocity dependence of the phase-space distribution function as well as their point of departure for treating the spatial dependence. We present results for model and real gases highlighting the explicit influence of the magnetic field on spatial and temporal relaxation characteristics, including the existence of transiently negative diffusion coefficients.
引用
收藏
页码：51 / +
页数：3
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