globalchange  > 科学计划与规划
DOI: 10.1002/2015GL064459
论文题名:
Flapping motions of the magnetotail current sheet excited by nonadiabatic ions
作者: Wei X.H.; Cai C.L.; Cao J.B.; Rème H.; Dandouras I.; Parks G.K.
刊名: Geophysical Research Letters
ISSN: 0094-8680
EISSN: 1944-8411
出版年: 2015
卷: 42, 期:12
起始页码: 4731
结束页码: 4735
语种: 英语
英文关键词: current sheet ; flapping motion ; magnetotail ; nonadiabatic ion
Scopus关键词: Plasma sheaths ; Plasma stability ; Cluster spacecraft ; Current sheets ; Flapping motion ; Ion population ; Magnetic field configurations ; Magnetotail current sheet ; Magnetotails ; Non-adiabatic ; Ions ; adiabatic process ; asymmetry ; electric field ; ion exchange ; magnetic field ; magnetotail ; plasma ; spacecraft
英文摘要: Observations by the Cluster spacecraft on 3 August 2004 are presented as an example of flapping motions of the magnetotail current sheet excited by nonadiabatic ions. It is found that the current sheet up-down motions are exactly corresponding to alternating hemispherical asymmetries of the bouncing ion population. We show that those hemisphere-asymmetric nonadiabatic ion populations are present in the magnetic field configuration with an effective finite guiding component due to the local current sheet inclination. These results demonstrate that the current sheet flapping motion is a self-organized circulation process between the alternating hemispherical asymmetries of the nonadiabatic ion population inside the plasma sheet and the current sheet equilibrium itself. © 2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84946418640&doi=10.1002%2f2015GL064459&partnerID=40&md5=6fb2a792e698331a38b5d12a1d00d3f0
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8296
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: State Key Laboratory of Space Weather, Center for Space Science and Applied Research, CAS, Beijing, China

Recommended Citation:
Wei X.H.,Cai C.L.,Cao J.B.,et al. Flapping motions of the magnetotail current sheet excited by nonadiabatic ions[J]. Geophysical Research Letters,2015-01-01,42(12).
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