The electromagnetic instability in electron flow with ion background

GAO Min (高敏); CHEN Shaoyong (陈少永); TANG Changjian (唐昌建); PENG Xiaodong (彭晓东)

Plasma Science and Technology > 2010 > 12(5): 523-528.

GAO Min (高敏), CHEN Shaoyong (陈少永), TANG Changjian (唐昌建), PENG Xiaodong (彭晓东). The electromagnetic instability in electron flow with ion background[J]. Plasma Science and Technology, 2010, 12(5): 523-528.

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The electromagnetic instability in electron flow with ion background

1 college of Physical Science and Technology, Sichuan University, Chengdu, 610064, China 2 Southwest Institution of Physics Center for Fusion Science, Chengdu, 610041, China

Funds: supported by National Basic Research Program of China (973 Program)( No. 2009GB105003)

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Abstract

Abstract

Electromagnetic (EM) behavior and instability resulting from the interaction between EM wave and plasma wave are analyzed based on linear perturbation theory. It is shown that the instability is caused by the the coupling between high frequency electromagnetic field and electron transverse oscillation derived from the deflection of electron longitudinal oscillation due to self-produced magnetic field. The influences of the self-produced magnetic field and plasma density on the instability are studied. In addition characteristics of EM wave propagation at different angles are investigated. The present results are of significance to new type plasma radiation source, ion accelerator and plasma diagnostic techniques.
- motional plasma,
- plasma waves,
- electromagnetic instability

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