LINEAR AND NONLINEAR DUST DRIFT WAVES

被引：235

作者：

SHUKLA, PK ^{[1
]}

YU, MY ^{[1
]}

BHARUTHRAM, R ^{[1
]}

机构：

[1] UNIV DURBAN, DEPT PHYS, DURBAN 4000, SOUTH AFRICA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 1991年 / 96卷 / A12期

关键词：

D O I：

10.1029/91JA02331

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The linear and nonlinear properties of low-frequency motion in inhomogeneous, magnetized, dusty plasmas are investigated. The dynamics of the dust grains are taken into account by means of a fluid model. A new type of low-frequency waves, the dust-drift waves, is shown to exist. The nonlinear mode coupling equations are derived, and the possibility of propagating vortex structures is discussed. The dust-drift waves may be relevant in astrophysical and cometary plasmas.

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页码：21343 / 21346

页数：4

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