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DOI: 10.1002/2016GL069191
论文题名:
Electron scale structures and magnetic reconnection signatures in the turbulent magnetosheath
作者: Yordanova E.; Vörös Z.; Varsani A.; Graham D.B.; Norgren C.; Khotyaintsev Y.V.; Vaivads A.; Eriksson E.; Nakamura R.; Lindqvist P.-A.; Marklund G.; Ergun R.E.; Magnes W.; Baumjohann W.; Fischer D.; Plaschke F.; Narita Y.; Russell C.T.; Strangeway R.J.; Le Contel O.; Pollock C.; Torbert R.B.; Giles B.J.; Burch J.L.; Avanov L.A.; Dorelli J.C.; Gershman D.J.; Paterson W.R.; Lavraud B.; Saito Y.
刊名: Geophysical Research Letters
ISSN: 0094-9630
EISSN: 1944-9361
出版年: 2016
卷: 43, 期:12
起始页码: 5969
结束页码: 5978
语种: 英语
英文关键词: magnetosheath ; reconnection ; turbulence
Scopus关键词: Collisionless plasmas ; Fighter aircraft ; Magnetohydrodynamics ; Magnetoplasma ; Magnetosphere ; Plasma turbulence ; Turbulence ; Electron heating ; Magnetic reconnections ; Magnetosheaths ; Magnetospheric multiscale missions ; Numerical magnetohydrodynamic simulation ; reconnection ; Scale structures ; Thin current sheet ; Electrons ; airborne survey ; electron ; geometry ; heating ; hydrodynamics ; magnetic property ; magnetotail ; spacecraft ; turbulence
英文摘要: Collisionless space plasma turbulence can generate reconnecting thin current sheets as suggested by recent results of numerical magnetohydrodynamic simulations. The Magnetospheric Multiscale (MMS) mission provides the first serious opportunity to verify whether small ion-electron-scale reconnection, generated by turbulence, resembles the reconnection events frequently observed in the magnetotail or at the magnetopause. Here we investigate field and particle observations obtained by the MMS fleet in the turbulent terrestrial magnetosheath behind quasi-parallel bow shock geometry. We observe multiple small-scale current sheets during the event and present a detailed look of one of the detected structures. The emergence of thin current sheets can lead to electron scale structures. Within these structures, we see signatures of ion demagnetization, electron jets, electron heating, and agyrotropy suggesting that MMS spacecraft observe reconnection at these scales. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979052727&doi=10.1002%2f2016GL069191&partnerID=40&md5=2f6247c39072d9ebc5e49490f90bf721
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10593
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: Swedish Institute of Space Physics, Uppsala, Sweden

Recommended Citation:
Yordanova E.,Vörös Z.,Varsani A.,et al. Electron scale structures and magnetic reconnection signatures in the turbulent magnetosheath[J]. Geophysical Research Letters,2016-01-01,43(12).
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