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Effect of dust charge fluctuations on Kelvin-Helmholtz instability in a cold dust plasma
Li, L.; Li, Z. Y.; Liu ZX(刘振兴); 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationPhysics of Plasmas
2000
Volume7Issue:1Pages:424-427
ISSN1070-664X
Language英语
KeywordIsi Document Delivery No.: 282vh Times Cited: 2 Amer Inst Physics Melville
AbstractEffect of dust charge fluctuations on Kelvin-Helmholtz (K-H) instability driven by sheared dust flow with both perpendicular and parallel components to magnetic field is investigated in magnetized three-component cold dust plasma. It is found that K-H instabilities are mainly driven by the parallel component of the sheared dust flow. The perpendicular component of the sheared dust flow influences the extent of the oblique propagation of the unstable perturbed wave with respect to the ambient magnetic field. For a dense dust plasma, as the perturbed frequency is much higher than the dust charging frequency, the maximum damping rate of the perturbed wave due to dust charge fluctuations will reach the order of the dust charging frequency. In this case, the critical shear for the parallel K-H instability increases rapidly because of the charging processes in the long-wavelength perturbation.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/996
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Li, L.,Li, Z. Y.,Liu ZX,et al. Effect of dust charge fluctuations on Kelvin-Helmholtz instability in a cold dust plasma[J]. Physics of Plasmas,2000,7(1):424-427.
APA Li, L.,Li, Z. Y.,刘振兴,&北京8701信箱.(2000).Effect of dust charge fluctuations on Kelvin-Helmholtz instability in a cold dust plasma.Physics of Plasmas,7(1),424-427.
MLA Li, L.,et al."Effect of dust charge fluctuations on Kelvin-Helmholtz instability in a cold dust plasma".Physics of Plasmas 7.1(2000):424-427.
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