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Nonlinear frequency shift of the dust ion-acoustic wave

Authors :
Chang-Mo Ryu
Sumin Yi
Peter H. Yoon
Source :
Physics of Plasmas. 11:3191-3195
Publication Year :
2004
Publisher :
AIP Publishing, 2004.

Abstract

The nonlinear frequency shift of a low-frequency, coherent dust ion-acoustic wave in the presence of higher-frequency dust ion-acoustic turbulence is investigated in the framework of weak turbulence theory. It is found that the frequency shift of the dust ion-acoustic wave in an unmagnetized dusty plasma is always positive irrespective of the propagation direction of the coherent wave, as in the case of the customary ion-acoustic wave in the absence of dust particles. It is also found that the magnitude of the frequency shift decreases with increasing dust density.

Details

ISSN :
10897674 and 1070664X
Volume :
11
Database :
OpenAIRE
Journal :
Physics of Plasmas
Accession number :
edsair.doi...........8179d1c358714169e0dbd927bdefb3e8
Full Text :
https://doi.org/10.1063/1.1737392