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题名: Low-Frequency Waves in Cold Three-Component Plasmas
作者: Fu Qiang; Tang Ying; Zhao Jinsong; Lu Jianyong
刊名: PLASMA SCIENCE & TECHNOLOGY
出版日期: 2016
卷号: 18, 期号:9, 页码:897-901
英文摘要: The dispersion relation and electromagnetic polarization of the plasma waves are comprehensively studied in cold electron, proton, and heavy charged particle plasmas. Three modes are classified as the fast, intermediate, and slow mode waves according to different phase velocities. When plasmas contain positively-charged particles, the fast and intermediate modes can interact at the small propagating angles, whereas the two modes are separate at the large propagating angles. The near-parallel intermediate and slow waves experience the linear polarization, circular polarization, and linear polarization again, with the increasing wave number. The wave number regime corresponding to the above circular polarization shrinks as the propagating angle increases. Moreover, the fast and intermediate modes cause the reverse change of the electromagnetic polarization at the special wave number. While the heavy particles carry the negative charges, the dispersion relations of the fast and intermediate modes are always separate, being independent of the propagating angles. Furthermore, this study gives new expressions of the three resonance frequencies corresponding to the highly-oblique propagation waves in the general three-component plasmas, and shows the dependence of the resonance frequencies on the propagating angle, the concentration of the heavy particle, and the mass ratio among different kinds of particles.
WOS记录号: WOS:000387864900004
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16868
Appears in Collections:太阳和太阳系等离子体研究团组_期刊论文

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