Suppression of Landau damping via electron band gap

被引：15
|
作者：
Son, S. [1 ]
Ku, S. [1 ]
机构：
[1] NYU, Courant Inst Math Sci, New York, NY 10012 USA
来源：
PHYSICS OF PLASMAS | 2010年 / 17卷 / 01期
关键词：
damping; dispersion relations; electron traps; energy gap; Landau levels; plasma diagnostics; plasma Langmuir waves; Raman spectra; PSEUDOPOTENTIAL THEORY; COHERENT; PLASMON;
D O I：
10.1063/1.3298735
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 pondermotive potential in the x-ray Raman compression can generate an electron band gap, which suppresses the Landau damping. The regime is identified where a Langmuir wave can be driven without damping in the stimulated Raman compression. It is shown that the partial wave breaking and the frequency detuning due to the trapped particles would be greatly reduced.
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页数：4
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