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Parametric Instabilities of Parallel Propagating Circularly Polarized Alfven Waves: One-Dimensional Hybrid Simulations
He Peng1; Gao Xin-Liang1; Lu Quan-Ming1; Zhao Jin-Song2
2015-11-01
发表期刊CHINESE PHYSICS LETTERS
卷号32期号:11
摘要By performing one-dimensional (1-D) hybrid simulations, we analyze in detail the parametric instabilities of the Alfven waves with a spectrum in a low beta plasma. The parametric instabilities experience two stages. In the first stage, the density modes are excited and immediately couple with the pump Alfven waves. In the second stage, each pump Alfven wave decays into a density mode and a daughter Alfven mode similar to the monochromatic cases. Furthermore, the proton velocity beam will also be formed after the saturation of the parametric instabilities. When the plasma beta is high, the parametric decay in the second stage will be strongly suppressed.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/0256-307X/32/11/115202
关键词[WOS]FINITE-AMPLITUDE ; SOLAR-WIND ; MODULATIONAL INSTABILITY ; DECAY INSTABILITIES ; STABILITY ; SHOCKS
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(41331067 ; National Basic Research Program of China(2013CBA01503 ; Key Research Program of Chinese Academy of Sciences(KZZD-EW-01-4) ; 41474125 ; 2012CB825602) ; 41274144 ; 41174124 ; 41121003)
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000365178900021
引用统计
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/16049
专题太阳和太阳系等离子体研究团组
作者单位1.Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
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GB/T 7714
He Peng,Gao Xin-Liang,Lu Quan-Ming,et al. Parametric Instabilities of Parallel Propagating Circularly Polarized Alfven Waves: One-Dimensional Hybrid Simulations[J]. CHINESE PHYSICS LETTERS,2015,32(11).
APA He Peng,Gao Xin-Liang,Lu Quan-Ming,&Zhao Jin-Song.(2015).Parametric Instabilities of Parallel Propagating Circularly Polarized Alfven Waves: One-Dimensional Hybrid Simulations.CHINESE PHYSICS LETTERS,32(11).
MLA He Peng,et al."Parametric Instabilities of Parallel Propagating Circularly Polarized Alfven Waves: One-Dimensional Hybrid Simulations".CHINESE PHYSICS LETTERS 32.11(2015).
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