Electron-acoustic waves in the laboratory: an experiment revisited

被引:154
作者
Hellberg, MA [1 ]
Mace, RL
Armstrong, RJ
Karlstad, G
机构
[1] Univ Natal, Plasma Phys Res Inst, ZA-4001 Durban, South Africa
[2] Univ Tromso, Dept Phys, Tromso, Norway
关键词
D O I
10.1017/S0022377800008758
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
High-frequency electrostatic waves have been observed in a two-electron-temperature plasma. Both bi-Maxwellian and Maxwellian-waterbag models were found to be inadequate in explaining the observed dispersion and damping rates. However, modeling of the hot electron component with a k-distribution function confirms that the experiments represent observation of the electron-acoustic wave in the laboratory.
引用
收藏
页码:433 / 443
页数:11
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