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EFFECT OF LONGITUDINAL SPACE-CHARGE WAVES OF A HELICAL RELATIVISTIC ELECTRON-BEAM ON THE CYCLOTRON MASER INSTABILITY

被引：8
|
作者：
CHEN, C
DANLY, BG
SHVETS, G
WURTELE, JS
机构：
[1] Plasma Fusion Center, Massachusetts Institute of Technology
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 1992年 / 20卷 / 03期
关键词：
D O I：
10.1109/27.142814
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 influence of the longitudinal space-charge waves of a coherently gyrophased, helical relativistic electron beam on the cyclotron maser instability is investigated in a cylindrical waveguide configuration using a three-dimensional kinetic theory. A dispersion relation that includes waveguide effects is derived. The stability properties of the cyclotron maser interaction are examined in detail. It is shown that, in general, the effects of space-charge waves on a coherently gyrophased beam are suppressed in a waveguide geometry, in comparison with an ideal one-dimensional cyclotron maser with similar beam parameters.
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页码：149 / 154
页数：6
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