THE TEMPORAL HELICON-WAVE ECHO IN A PLASMA WITH STEEPENED DENSITY PROFILE

被引：0
|
作者：
FEDUTENKO, EA
LAPSHIN, VI
机构：
[1] Department of Physics and Technology, Kharkov State University, Kharkov 310077
来源：
JOURNAL OF PLASMA PHYSICS | 1992年 / 47卷
关键词：
D O I：
10.1017/S0022377800024326
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 hydrodynamic echo on the surface helicon-type modes radiated to vacuum in a magnetized plasma with steepened density profile is investigated. It is shown that perturbations induced by an initial pulse at the plasma boundary are modulated by a later applied second pulse of different wavelength, to yield a non-vanishing echo signal, which can be radiated to vacuum. The angle of the radiation and the density of the energy flow of this signal are determined.
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页码：431 / 437
页数：7
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