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DOI: 10.1002/2016GL069191
Title:
Electron scale structures and magnetic reconnection signatures in the turbulent magnetosheath
Author: 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.
Source Publication: Geophysical Research Letters
ISSN: 0094-9630
EISSN: 1944-9361
Publishing Year: 2016
Volume: 43, Issue:12
pages begin: 5969
pages end: 5978
Language: 英语
Keyword: magnetosheath ; reconnection ; turbulence
Scopus Keyword: 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
English Abstract: 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.
Related Link: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979052727&doi=10.1002%2f2016GL069191&partnerID=40&md5=2f6247c39072d9ebc5e49490f90bf721
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Document Type: 期刊论文
Identifier: 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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Affiliation: 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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