Whistler channeling in ducts with enhanced density in a magnetoactive plasma

被引：1
|
作者：
Zaboronkova T.M. [1 ]
Kostrov A.V. [1 ]
Kudrin A.V. [1 ]
Shaikin A.A. [1 ]
机构：
[1] Radlophysical Research Institute, Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod
来源：
Radiophysics and Quantum Electronics | 1998年 / 41卷 / 3期
基金：
俄罗斯基础研究基金会;
关键词：
Background plasma; Disturbed region; Plasma density; Propagation constant; Whistler wave;
D O I：
10.1007/BF02676541
中图分类号：
学科分类号：
摘要：
We study the guided propagation of whistler waves along the density ducts created in a magnetoactive plasma under thermal nonlinear conditions. It is found that the thermal diffusion-driven redistribution of plasma due to electron heating in the quasistatic field of a current loop of fairly large radius le to the formation of a duct with enhanced density. Based on experimental data and theoretical calculations, it is shown that such a duct can sustain the weakly decaying whistler modes excited by a magnetic-type antenna immersed in it. © 1998 Plenum Publishing Corporation.
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页码：254 / 260
页数：6
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