Influence of the Plasma Absorption on the Longitudinal Dust Lattice Waves in Dusty Plasmas

被引：5

作者：

Ki, Dae-Han ^{[1
]}

Jung, Young-Dae ^{[1
,2
]}

机构：

[1] Hanyang Univ, Dept Appl Phys, Ansan 426791, Gyeonggi, South Korea

[2] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2013年 / 52卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

D O I：

10.7567/JJAP.52.050205

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate the influence of the plasma absorption on the longitudinal dust lattice wave in highly collisional dusty plasmas. The dispersion relation for the dust lattice wave has been obtained by the considering of the screened effective nearest-neighbor interactions. It is found that the plasma absorption effect strongly suppresses the frequency of the longitudinal dust lattice wave. It is also found that the frequency of the dust lattice wave decreases with increasing the inter-dust grain spacing. In addition, we have found that the frequency of the dust lattice wave decreases with an increase of the ratio of the electron temperature to the ion temperatures, in dusty plasmas. Hence, we have found that the amplitudes of the dust lattice waves in one-temperature plasmas are always greater than those in highly nonequilibrium dusty plasmas. (c) 2013 The Japan Society of Applied Physics

引用

页数：4

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