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In Situ Observations of the Formation of Periodic Collisionless Plasma Shocks from Fast Mode Waves

文献类型：期刊论文

作者Shan, Lican2,3; Du, Aimin2,3,4; Tsurutani, Bruce T.; Ge, Yasong S.2,3,4; Lu, Quanming5,6; Mazelle, Christian7; Huang, Can2,3; Glassmeier, Karl-Heinz1; Henri, Pierre8
刊名ASTROPHYSICAL JOURNAL LETTERS
出版日期2020-01-10
卷号888期号:2页码:5
ISSN号2041-8205
关键词Shocks Pickup ions Plasma physics
DOI10.3847/2041-8213/ab5db3
英文摘要It has been long theorized, but not directly observed, that low-frequency magnetosonic plasma waves can steepen and form shocks. We show an example of small-amplitude, sinusoidal magnetosonic waves at the proton gyrofrequency upstream of the Martian bow shock. We hypothesize that these waves are produced by an ion beam instability associated with the ionization of hydrogen atoms by charge exchange with solar wind protons, solar photoionization, and/or electron impact ionization. As the waves are convected toward the planet by solar wind flow, the wave amplitude grows due to additional free energy put into the system by further ion beam particles. Finally, the steepened waves form shocks. Because of their development, the shocks are periodic with the separation at the proton gyroperiod. These observations lead to the conclusion that newborn ions may play a crucial role in the formation process of some collisionless plasma shocks in astrophysical and space plasmas.
WOS关键词MAGNETOSONIC WAVES ; GRIGG-SKJELLERUP ; PARTICLE-ACCELERATION ; PACKETS ; COMETS ; MARS
资助项目National Key Research and Development Program of China[2016YFB0501300] ; National Key Research and Development Program of China[2016YFB0501304] ; National Natural Science Foundation of China[41774187] ; National Natural Science Foundation of China[41674168] ; National Natural Science Foundation of China[41774176] ; Beijing Municipal Science and Technology Commission[Z191100004319001] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA14040404] ; pre-research Project on Civil Aerospace Technologies - CNSA[D020103]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000519049100001
资助机构National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Beijing Municipal Science and Technology Commission ; Beijing Municipal Science and Technology Commission ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; pre-research Project on Civil Aerospace Technologies - CNSA ; pre-research Project on Civil Aerospace Technologies - CNSA ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Beijing Municipal Science and Technology Commission ; Beijing Municipal Science and Technology Commission ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; pre-research Project on Civil Aerospace Technologies - CNSA ; pre-research Project on Civil Aerospace Technologies - CNSA ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Beijing Municipal Science and Technology Commission ; Beijing Municipal Science and Technology Commission ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; pre-research Project on Civil Aerospace Technologies - CNSA ; pre-research Project on Civil Aerospace Technologies - CNSA ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Beijing Municipal Science and Technology Commission ; Beijing Municipal Science and Technology Commission ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; pre-research Project on Civil Aerospace Technologies - CNSA ; pre-research Project on Civil Aerospace Technologies - CNSA
源URL[http://ir.iggcas.ac.cn/handle/132A11/94051]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Ge, Yasong S.
作者单位1.Tech Univ Carolo Wilhelmina Braunschweig, Inst Geophys & Extraterr Phys, Mendelssohnstrae 3, D-38116 Braunschweig, Germany
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
5.Univ Sci & Technol China, CAS, Key Lab Geospace Environm, Hefei 230026, Peoples R China
6.Chinese Acad Sci, Ctr Excellence Comparat Planetol, Beijing, Peoples R China
7.Univ Paul Sabatier, CNRS, Inst Rech Astrophys & Planetol, F-31400 Toulouse, France
8.Univ Orleans, Lab Phys & Chim Environm & Espace, UMR 7328, CNRS, F-45100 Orleans, France
推荐引用方式
GB/T 7714		 Shan, Lican,Du, Aimin,Tsurutani, Bruce T.,et al. In Situ Observations of the Formation of Periodic Collisionless Plasma Shocks from Fast Mode Waves[J]. ASTROPHYSICAL JOURNAL LETTERS,2020,888(2):5.
APA Shan, Lican.,Du, Aimin.,Tsurutani, Bruce T..,Ge, Yasong S..,Lu, Quanming.,...&Henri, Pierre.(2020).In Situ Observations of the Formation of Periodic Collisionless Plasma Shocks from Fast Mode Waves.ASTROPHYSICAL JOURNAL LETTERS,888(2),5.
MLA Shan, Lican,et al."In Situ Observations of the Formation of Periodic Collisionless Plasma Shocks from Fast Mode Waves".ASTROPHYSICAL JOURNAL LETTERS 888.2(2020):5.

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来源：地质与地球物理研究所

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