Dichromatic Langmuir waves in degenerate quantum plasma

被引：5
作者：
Dubinov, A. E. [1 ,2 ]
Kitayev, I. N. [1 ,2 ]
机构：
[1] Russian Fed Nucl Ctr, All Russian Res Inst Expt Phys, Sarov 607188, Russia
[2] Natl Res Nucl Univ MEPhI, Sarov Phys Tech Inst, Sarov 607186, Russia
来源：
PLASMA PHYSICS REPORTS | 2015年 / 41卷 / 06期
关键词：
ION-ACOUSTIC-WAVES;
D O I：
10.1134/S1063780X15050025
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：
Langmuir waves in fully degenerate quantum plasma are considered. It is shown that, in the linear approximation, Langmuir waves are always dichromatic. The low-frequency component of the waves corresponds to classical Langmuir waves, while the high-frequency component, to free-electron quantum oscillations. The nonlinear problem on the profile of dichromatic Langmuir waves is solved. Solutions in the form of a superposition of waves and in the form of beatings of its components are obtained.
引用
收藏
页码：507 / 511
页数：5
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