Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL072784 |
Distinctive features of internally driven magnetotail reconnection | |
Sitnov, M. I.1; Merkin, V. G.1; Pritchett, P. L.2; Swisdak, M.3 | |
2017-04-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
![]() |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:7 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Onset of reconnection in a tail-like equilibrium with a finite B-z magnetic field component is studied using 3-D explicit particle-in-cell simulations. Due to a region of a tailward B-z gradient the onset develops spontaneously as the magnetic flux release instability with dominant earthward ion flows. The instability drives the change of magnetic field topology internally, without any external forcing. The distinctive features of this regime are: previously unreported Hall magnetic field patterns; energy conversion near the dipolarization front prior to the X line formation; asymmetry of the energy conversion, plasma heating, and anisotropy relative to the X line, with regions of ion and electron heating out of phase both along and across the tail. These features distinguish the internally driven reconnection regime from similar processes in antiparallel magnetic field configurations as well as interchange and externally driven magnetotail reconnection regimes and can be used to identify the different regimes in upcoming Magnetospheric Multiscale (MMS) mission tail season observations. |
英文关键词 | magnetotail magnetic reconnection dipolarization front particle-in-cell simulations tearing instability Hall magnetic field |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000400186500008 |
WOS关键词 | COLLISIONLESS MAGNETIC RECONNECTION ; KINETIC BALLOONING/INTERCHANGE INSTABILITY ; PLASMA SHEET ; DIPOLARIZATION FRONTS ; ENERGY-CONVERSION ; GEOMAGNETIC TAIL ; GROWTH-PHASE ; GUIDE FIELD ; ONSET ; SIMULATIONS |
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/27892 |
专题 | 气候变化 |
作者单位 | 1.Johns Hopkins Univ, Appl Phys Lab, Johns Hopkins Rd, Laurel, MD 21218 USA; 2.Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA USA; 3.Univ Maryland, Inst Res Elect & Appl Phys, College Pk, MD USA |
推荐引用方式 GB/T 7714 | Sitnov, M. I.,Merkin, V. G.,Pritchett, P. L.,et al. Distinctive features of internally driven magnetotail reconnection[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(7). |
APA | Sitnov, M. I.,Merkin, V. G.,Pritchett, P. L.,&Swisdak, M..(2017).Distinctive features of internally driven magnetotail reconnection.GEOPHYSICAL RESEARCH LETTERS,44(7). |
MLA | Sitnov, M. I.,et al."Distinctive features of internally driven magnetotail reconnection".GEOPHYSICAL RESEARCH LETTERS 44.7(2017). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论