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Electron Heating at Kinetic Scales in Magnetosheath Turbulence
Univ Delaware, Newark, DC USA..
Univ Delaware, Newark, DC USA..
Univ Delaware, Newark, DC USA..
Lab Phys Plasmas, Paris, France..
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2017 (English)In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 836, no 2, 247Article in journal (Refereed) Published
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.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2017. Vol. 836, no 2, 247
Keyword [en]
acceleration of particles, magnetic reconnection, plasmas, turbulence
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-324354DOI: 10.3847/1538-4357/836/2/247ISI: 000401169200015OAI: oai:DiVA.org:uu-324354DiVA: diva2:1109676
Available from: 2017-06-14 Created: 2017-06-14 Last updated: 2017-06-14Bibliographically approved

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Khotyaintsev, YuriVaivads, AndrisEriksson, Elin
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Swedish Institute of Space Physics, Uppsala Division
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