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Electron Heating at Kinetic Scales in Magnetosheath Turbulence
Vise andre og tillknytning
2017 (engelsk)Inngår i: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 836, nr 2, artikkel-id 247Artikkel i tidsskrift (Fagfellevurdert) Published
Fritextbeskrivning
Abstract [en]

We present a statistical study of coherent structures at kinetic scales, using data from the Magnetospheric Multiscale mission in the Earth's magnetosheath. We implemented the multi-spacecraft partial variance of increments (PVI) technique to detect these structures, which are associated with intermittency at kinetic scales. We examine the properties of the electron heating occurring within such structures. We find that, statistically, structures with a high PVI index are regions of significant electron heating. We also focus on one such structure, a current sheet, which shows some signatures consistent with magnetic reconnection. Strong parallel electron heating coincides with whistler emissions at the edges of the current sheet.

sted, utgiver, år, opplag, sider
Institute of Physics Publishing (IOPP), 2017. Vol. 836, nr 2, artikkel-id 247
Emneord [en]
acceleration of particles, magnetic reconnection, plasmas, turbulence
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-208005DOI: 10.3847/1538-4357/836/2/247ISI: 000401169200015Scopus ID: 2-s2.0-85014247266OAI: oai:DiVA.org:kth-208005DiVA, id: diva2:1106741
Merknad

QC 2017-06-08

Tilgjengelig fra: 2017-06-08 Laget: 2017-06-08 Sist oppdatert: 2019-06-13bibliografisk kontrollert

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Marklund, Göran

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Vaivads, AndrisLindqvist, Per-ArneMarklund, Göran
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