Studying the dust-acoustic modes of dusty plasma in the polar mesosphere

被引：2

作者：

Xu Fang-Ke ^{[1
]}

Shi Yan-Xiang ^{[1
]}

机构：

[1] Yili Normal Univ, Dept Elect & Informat Engn, Yining Xinjiang 835000, Peoples R China

来源：

CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION | 2014年 / 57卷 / 11期

关键词：

Polar mesosphere; Dust-acoustic waves; Dispersion relation; Instability; SUMMER ECHOES; WAVES; PMSE;

D O I：

10.6038/cjg20141108

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Taking into account the influence of charged particles-neutral collision and dusty particle charging processes, the dispersion relation of longitudinal waves in the weakly ionized dusty plasma was established by means of a self-consistent theory based on statistical approach. The instability of dust-acoustic waves between 80 similar to 90 km of the polar mesosphere was analyzed. It is shown that the instability modes of the dust-acoustic waves exist in this region. The existences of the instability modes are important for us to understand the layered structure of the polar mesosphere.

引用

页码：3558 / 3563

页数：6

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