Electron kinetics in low-temperature plasmas

被引:54
作者
Kolobov, Vladimir [1 ,2 ]
Godyak, Valery [3 ,4 ]
机构
[1] CFD Res Corp, Huntsville, AL 35806 USA
[2] Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35899 USA
[3] Univ Michigan, Elect Engn & Comp Sci Dept, Ann Arbor, MI 48109 USA
[4] RF Plasma Consulting, Brookline, MA 02446 USA
关键词
DISCHARGE; SIMULATION; TRANSPORT; EQUATION; STRAHL;
D O I
10.1063/1.5093199
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
This article presents an overview of recent advances in the field of electron kinetics in low-temperature plasmas (LTPs). It also provides author's views on where the field is headed and suggests promising strategies for further development. The authors have selected several problems to illustrate multidisciplinary nature of the subject (space and laboratory plasma, collisionless and collisional plasmas, and low-pressure and high-pressure discharges) and to illustrate how cross-disciplinary research efforts could enable further progress. Nonlocal electron kinetics and nonlocal electrodynamics in low-pressure rf plasmas resemble collisionless effects in space plasma and hot plasma effects in fusion science, terahertz technology, and plasmonics. The formation of electron groups in dc and rf discharges has much in common with three groups of electrons (core, strahl, and halo) in solar wind. Runaway electrons in LTPs are responsible for a wide range of physical phenomena from nano- and picoscale breakdown of dielectrics to lightning initiation. Understanding electron kinetics of LTPs could promote scientific advances in a number of topics in plasma physics and accelerate modern plasma technologies.
引用
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页数:14
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