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DOI | 10.1029/2019GL082538 |
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
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
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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