Non-modal analysis of the diocotron instability: Plane geometry

被引:7
|
作者
Mikhailenko, V. V. [1 ]
Lee, Hae June [2 ]
Mikhailenko, V. S. [3 ]
机构
[1] Pusan Natl Univ, Res Inst Comp Informat & Commun, Pusan 609735, South Korea
[2] Pusan Natl Univ, Dept Elect Engn, Pusan 609735, South Korea
[3] Kharkov Natl Univ, UA-61108 Kharkov, Ukraine
基金
新加坡国家研究基金会;
关键词
SHEAR-FLOW; WAVES;
D O I
10.1063/1.4747506
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 comprehensive investigation of the temporal evolution of the diocotron instability of the plane electron strip on the linear stage of its development is performed. By using the method of Kelvin of the shearing modes, the role of the initial perturbations of the electron density is elucidated, which is connected with the problem of the continuous spectrum. The linear non-modal evolution process detected by the solution of the initial value problem, leads toward convergence to the phase-locking configuration of the mutually growing normal modes. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4747506]
引用
收藏
页数:7
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