Magnetohydrodynamic parametric instabilities of parallel propagating incoherent Alfven waves

被引：10

作者：

Nariyuki, Yasuhiro ^{[1
]}

Hada, Tohru ^{[1
]}

机构：

[1] Kyushu Univ, ESST, Fukuoka 812, Japan

来源：

EARTH PLANETS AND SPACE | 2007年 / 59卷 / 12期

关键词：

Alfven waves; solar wind;

D O I：

10.1186/BF03353093

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Numerical experiments for parametric instabilities of incoherent Alfven waves in the context of one dimensional Hall-MHD equation sets are studied. The reason why the decay instability of incoherent waves can be explained in terms of that of the coherent wave is understood through analysis on nonlinearly driven finite amplitude density fluctuations. Numerical results suggest the importance of modulational instabilities of left-hand polarized Alfven waves.

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收藏

页码：E13 / E16

页数：4

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