Experiments on ion-acoustic waves in dusty plasmas

被引：590

作者：

Barkan, A ^{[1
]}

DAngelo, N ^{[1
]}

Merlino, RL ^{[1
]}

机构：

[1] UNIV IOWA,DEPT PHYS & ASTRON,IOWA CITY,IA 52242

来源：

PLANETARY AND SPACE SCIENCE | 1996年 / 44卷 / 03期

关键词：

D O I：

10.1016/0032-0633(95)00109-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

An experiment is described on ion-acoustic (IA) waves in dusty plasmas, which was performed in the dusty plasma device (DPD) of Xu et al. (Rev. Sci. Instrum. 63, 5266, 1992). It is found that, as expected, the presence of negatively charged dust grains increases the phase velocity of the waves and, at the same time, also reduces the strength of the collisionless (Landau) damping to which the waves are subjected.

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页码：239 / 242

页数：4

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