Instability in a magnetised collisional plasma driven by a heat flow or a current

被引：8

作者：

Bell, A. R. ^{[1
,2
]}

Kingham, R. J. ^{[3
]}

Watkins, H. C. ^{[3
]}

Matthews, J. H. ^{[4
]}

机构：

[1] Univ Oxford, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England

[2] Rutherford Appleton Lab, Cent Laser Facil, Chilton OX11 0QX, England

[3] Imperial Coll, Blackett Lab, London SWZ 2BZ, England

[4] Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2020年 / 62卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

plasma instability; collisions; magnetic field; laser; astrophysics; heat flow; FAST-ELECTRON TRANSPORT; PARTICLE-ACCELERATION; THERMAL-INSTABILITY; SOLAR-WIND; FIELD; AMPLIFICATION;

D O I：

10.1088/1361-6587/ab8e1b

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：

We solve the linearised Vlasov-Fokker-Planck (VFP) equation to show that heat flow or an electrical current in a magnetized collisional plasma is unstable to the growth of a circularly polarised transverse perturbation to a zeroth order uniform magnetic field. The Braginskii [1965Rev Plasma Phys1205] transport equations exhibit the same instability in the appropriate limit. This is relevant to laser-produced plasmas, inertial fusion energy (IFE) and to dense cold interstellar plasmas.

引用

页数：12

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