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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
Source PublicationCHINESE PHYSICS LETTERS
Volume32Issue:11
AbstractBy 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.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0256-307X/32/11/115202
WOS KeywordFINITE-AMPLITUDE ; SOLAR-WIND ; MODULATIONAL INSTABILITY ; DECAY INSTABILITIES ; STABILITY ; SHOCKS
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000365178900021
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16053
Collection太阳和太阳系等离子体研究团组
Affiliation1.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
Recommended Citation
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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