GSTDTAP  > 气候变化
DOI10.1029/2019GL082538
Nonideal Electric Field Observed in the Separatrix Region of a Magnetotail Reconnection Event
Yu, Xiancai1,2; Wang, Rongsheng1,2; Lu, Quanming1,2; Russell, Christopher T.3; Wang, Shui1
2019-10-16
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2019
文章类型Article;Early Access
语种英语
国家Peoples R China; USA
英文摘要

Based on the Magnetospheric Multiscale observations in the magnetotail, we present a complete crossing of the current sheet with ongoing magnetic reconnection. The field-aligned inflowing electrons were observed in both separatrix regions (SRs) and their energy extended up to several times of the thermal energy. Along the SR, a net parallel electrostatic potential was estimated and could be the reason for the inflowing electron streaming. In the northern SR, the electron frozen-in condition was violated and nonideal electric field was inferred to be caused by the gradient of the electron pressure tensor. The nongyrotropic electron distribution and significant energy dissipation were observed at the same region. The observations indicate that the inner electron diffusion region can extend along the separatrices or some electron-scale instability can be destabilized in the SR.


英文关键词magnetic reconnection separatrix region electron acceleration electric field
领域气候变化
收录类别SCI-E
WOS记录号WOS:000490474200001
WOS关键词MAGNETIC RECONNECTION ; DIFFUSION REGION
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/187686
专题气候变化
作者单位1.Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China;
2.CAS Ctr Excellence Comparat Planetol, Hefei, Anhui, Peoples R China;
3.Univ Calif Los Angeles, Earth Planetary & Space Sci, Los Angeles, CA USA
推荐引用方式
GB/T 7714
Yu, Xiancai,Wang, Rongsheng,Lu, Quanming,et al. Nonideal Electric Field Observed in the Separatrix Region of a Magnetotail Reconnection Event[J]. GEOPHYSICAL RESEARCH LETTERS,2019.
APA Yu, Xiancai,Wang, Rongsheng,Lu, Quanming,Russell, Christopher T.,&Wang, Shui.(2019).Nonideal Electric Field Observed in the Separatrix Region of a Magnetotail Reconnection Event.GEOPHYSICAL RESEARCH LETTERS.
MLA Yu, Xiancai,et al."Nonideal Electric Field Observed in the Separatrix Region of a Magnetotail Reconnection Event".GEOPHYSICAL RESEARCH LETTERS (2019).
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