INFLUENCE OF A HIGH-POWER RADIO-WAVE ON VELOCITY-GRADIENT DRIVEN INSTABILITIES IN THE AURORAL F-REGION IONOSPHERE

被引：6
|
作者：
SHUKLA, PK
STENFLO, L
机构：
[1] RUHR UNIV BOCHUM, INST THEORET PHYS 4, W-4630 BOCHUM, GERMANY
[2] UMEA UNIV, DEPT PLASMA PHYS, S-90187 UMEA, SWEDEN
来源：
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 1992年 / 97卷 / A2期
关键词：
D O I：
10.1029/91JA02440
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is shown that a powerful radio wave passing through the F region of the auroral ionosphere can modify the ion velocity gradient driven low-frequency electrostatic fluctuation spectra due to parametric interaction processes. These are studied with the help of a nonlinear dispersion relation that includes the pondcromotive and differential Joule heating nonlinearities. Our results show how nonthermal fluctuations can be produced and controlled by a powerful radio wave in the auroral F region plasma.
引用
收藏
页码：1313 / 1317
页数：5
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