globalchange  > 科学计划与规划
DOI: 10.1002/2015GL066556
论文题名:
Hall and finite Larmor radius effects on the dipolarization fronts associated with interchange instability
作者: Lu H.Y.; Cao J.B.; Ge Y.S.; Zhang T.L.; Nakamura R.; Dunlop M.W.
刊名: Geophysical Research Letters
ISSN: 0094-8378
EISSN: 1944-8109
出版年: 2015
卷: 42, 期:23
起始页码: 10099
结束页码: 10105
语种: 英语
英文关键词: dipolarization fronts ; FRL effect ; Hall effect ; interchange instability ; numerical simulation
Scopus关键词: Computer simulation ; Electric fields ; Dipolarization ; Finite larmor radius ; Finite Larmor radius effects ; FRL effect ; High speed flows ; Interchange instability ; Magnetotails ; MHD models ; Hall effect
英文摘要: In this paper, we established a Hall-finite Larmor radius (FLR) MHD model by including Hall and finite Larmor radius (FLR) effects to study the dipolarization fronts (DFs) produced by the interchange instability in the magnetotail. The results indicate that the Hall effect on the scale of inertial length determines the distributions of electric field at DFs. The FLR effect can not only cause a dawn-dusk asymmetry of the DF structure but also can make the DF drift dawnward. The dawnward drifting of DF can be attributed to the ion diamagnetic velocity, which also causes alteration in the direction of the high-speed flow near the DF. © 2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84953384044&doi=10.1002%2f2015GL066556&partnerID=40&md5=8558478d374dcf56b324176c646f0fa5
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7994
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: Space Science Institute, School of Astronautics, Beihang University, Beijing, China

Recommended Citation:
Lu H.Y.,Cao J.B.,Ge Y.S.,et al. Hall and finite Larmor radius effects on the dipolarization fronts associated with interchange instability[J]. Geophysical Research Letters,2015-01-01,42(23).
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