包含非球形旋转尘埃颗粒的尘埃等离子体的色散特性。
Dispersion properties of a dusty plasma containing nonspherical rotating dust grains.
作者信息
Mahmoodi J, Shukla PK, Tsintsadze NL, Tskhakaya DD
机构信息
Institute for Studies in Theoretical Physics and Mathematics, P.O. Box 19395-5531, Tehran, Iran.
出版信息
Phys Rev Lett. 2000 Mar 20;84(12):2626-9. doi: 10.1103/PhysRevLett.84.2626.
PMID:11017285
Abstract
The dispersion relation for a dusty plasma containing elongated and rotating charged dust grains is obtained by assuming that the dipole moments of the dust particulates are nonzero. The longitudinal waves with frequency close to the angular rotation frequency of the dust grains are found to be unstable. The results should be relevant to enhanced fluctuations in astrophysical environments.
摘要
通过假设带电尘埃颗粒的偶极矩不为零，得出了包含细长且旋转的带电尘埃颗粒的尘埃等离子体的色散关系。发现频率接近尘埃颗粒角旋转频率的纵向波是不稳定的。这些结果应该与天体物理环境中增强的涨落相关。
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