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DOI | 10.1029/2017GL076862 |
Localized and Intense Energy Conversion in the Diffusion Region of Asymmetric Magnetic Reconnection | |
Swisdak, M.1; Drake, J. F.1; Price, L.1; Burch, J. L.2; Cassak, P. A.3; Phan, T. -D.4 | |
2018-06-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:11页码:5260-5267 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | We analyze a high-resolution simulation of magnetopause reconnection observed by the Magnetospheric Multiscale mission and explain the occurrence of strongly localized dissipation with an amplitude more than an order of magnitude larger than expected. Unlike symmetric reconnection, wherein reconnection of the ambient reversed magnetic field drives the dissipation, we find that the annihilation of the self-generated, out-of-plane (Hall) magnetic field plays the dominant role. Electrons flow along the magnetosheath separatrices, converge in the diffusion region, and jet past the X-point into the magnetosphere. The resulting accumulation of negative charge generates intense parallel electric fields that eject electrons along the magnetospheric separatrices and produce field-aligned beams. Many of these features match Magnetospheric Multiscale observations. |
英文关键词 | magnetic reconnection magnetopause PIC simulations |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000436249900004 |
WOS关键词 | MAGNETOPAUSE ; FIELD |
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/28170 |
专题 | 气候变化 |
作者单位 | 1.Univ Maryland, IREAP, College Pk, MD 20742 USA; 2.Southwest Res Inst, San Antonio, TX USA; 3.West Virginia Univ, Dept Phys & Astron, Morgantown, WV USA; 4.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA |
推荐引用方式 GB/T 7714 | Swisdak, M.,Drake, J. F.,Price, L.,et al. Localized and Intense Energy Conversion in the Diffusion Region of Asymmetric Magnetic Reconnection[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(11):5260-5267. |
APA | Swisdak, M.,Drake, J. F.,Price, L.,Burch, J. L.,Cassak, P. A.,&Phan, T. -D..(2018).Localized and Intense Energy Conversion in the Diffusion Region of Asymmetric Magnetic Reconnection.GEOPHYSICAL RESEARCH LETTERS,45(11),5260-5267. |
MLA | Swisdak, M.,et al."Localized and Intense Energy Conversion in the Diffusion Region of Asymmetric Magnetic Reconnection".GEOPHYSICAL RESEARCH LETTERS 45.11(2018):5260-5267. |
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