The instability of dust acoustic waves in inhomogeneous dusty plasmas with non-adiabatic dust charge fluctuation

Zhang Li-Ping; Xue Ju-Kui

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The instability of dust acoustic waves in inhomogeneous dusty plasmas with non-adiabatic dust charge fluctuation

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This paper investigates the propagation of linear dust acoustic waves in inhomogeneous dusty plasmas due to spatial gradients of dust charge, plasma densities. A linear dispersion relation is obtained with the non-adiabatic dust charge fluctuation and the non-thermally distributed ions. The numerical results show that the inhomogeneity, nonthermal ions and non-adiabatic dust charge fluctuation have strong influence on the frequency and the damping rate of waves.

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来源
《中国物理：英文版》 |2008年第7期|2594-2599|共6页
作者
Zhang Li-Ping; Xue Ju-Kui;
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作者单位

School of sciences, Lanzhou University of Technology, Lanzhou 730050, China;

College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;

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原文格式 PDF
正文语种 chi
中图分类物理学;
关键词
instability of low frequency waves; inhomogeneity; non-adiabatic dust charge variation;

机译：低频波不稳定性;不均匀性;非绝热粉尘电荷变化;

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The instability of dust acoustic waves in inhomogeneous dusty plasmas with non-adiabatic dust charge fluctuation

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