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Electrostatic solitary waves with distinct speeds associated with asymmetric reconnection
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.ORCID iD: 0000-0002-1046-746X
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
2015 (English)In: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 42, no 2, 215-224 p.Article in journal (Refereed) Published
Abstract [en]

Electrostatic solitary waves (ESWs) are observed at the magnetopause with distinct time scales. These ESWs are associated with asymmetric reconnection of the cold dense magnetosheath plasma with the hot tenuous magnetospheric plasma. The distinct time scales are shown to be due to ESWs moving at distinct speeds and having distinct length scales. The length scales are of order 5-50 Debye lengths, and the speeds range from approximate to 50 km s(-1) to approximate to 1000 km s(-1). The ESWs are observed near the reconnection separatrices. The observation of ESWs with distinct speeds suggests that multiple instabilities are occurring. The implications for reconnection at the magnetopause are discussed.

Place, publisher, year, edition, pages
2015. Vol. 42, no 2, 215-224 p.
Keyword [en]
electron solitary waves, magnetic reconnection, magnetopause
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-249029DOI: 10.1002/2014GL062538ISI: 000349956000005OAI: oai:DiVA.org:uu-249029DiVA: diva2:807627
Available from: 2015-04-24 Created: 2015-04-10 Last updated: 2017-12-04Bibliographically approved

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Graham, Daniel B.Khotyaintsev, Yuri V.Vaivads, AndrisAndré, Mats

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