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Electron-scale Vertical Current Sheets in a Bursty Bulk Flow in the Terrestrial Magnetotail
Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Jiangxi, Peoples R China.;Nanchang Univ, Sch Environm & Chem Engn, Minist Educ, Key Lab Poyang Lake Environm & Resource Utilizat, Nanchang 330031, Jiangxi, Peoples R China..
Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Jiangxi, Peoples R China.;Nanchang Univ, Sch Sci, Dept Phys, Nanchang 330031, Jiangxi, Peoples R China..
Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Jiangxi, Peoples R China.;Nanchang Univ, Sch Sci, Dept Phys, Nanchang 330031, Jiangxi, Peoples R China..
Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Jiangxi, Peoples R China..
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2019 (Engelska)Ingår i: Astrophysical Journal Letters, ISSN 2041-8205, E-ISSN 2041-8213, Vol. 872, nr 2, artikel-id L26Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We report Magnetospheric Multiscale observations of multiple vertical current sheets (CSs) in a bursty bulk flow in the near-Earth magnetotail. Two of the CSs were fine structures of a dipolarization front (DF) at the leading edge of the flow. The other CSs were a few Earth radii tailward of the DF; that is, in the wake of the DF. Some of these vertical CSs were a few electron inertial lengths thick and were converting energy from magnetic field to plasma. The currents of the CSs in the DF wake were carried by electrons that formed flow shear layers. These electron-scale CSs were probably formed during the turbulent evolution of the bursty bulk flow and are important for energy conversion associated with fast flows.

Ort, förlag, år, upplaga, sidor
Institute of Physics (IOP), 2019. Vol. 872, nr 2, artikel-id L26
Nyckelord [en]
magnetic fields, magnetic reconnection, turbulence
Nationell ämneskategori
Astronomi, astrofysik och kosmologi
Identifikatorer
URN: urn:nbn:se:kth:diva-245912DOI: 10.3847/2041-8213/ab0424ISI: 000459254000007Scopus ID: 2-s2.0-85063470589OAI: oai:DiVA.org:kth-245912DiVA, id: diva2:1296222
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QC 220190314

Tillgänglig från: 2019-03-14 Skapad: 2019-03-14 Senast uppdaterad: 2022-06-26Bibliografiskt granskad

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Lindqvist, Per-Arne

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