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Observations of Double Layers in Earth's Plasma Sheet
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 102, no 15, 155002- p.Article in journal (Refereed) Published
Abstract [en]

We report the first direct observations of parallel electric fields (E-parallel to) carried by double layers (DLs) in the plasma sheet of Earth's magnetosphere. The DL observations, made by the THEMIS spacecraft, have E-parallel to signals that are analogous to those reported in the auroral region. DLs are observed during bursty bulk flow events, in the current sheet, and in plasma sheet boundary layer, all during periods of strong magnetic fluctuations. These observations imply that DLs are a universal process and that strongly nonlinear and kinetic behavior is intrinsic to Earth's plasma sheet.

Place, publisher, year, edition, pages
2009. Vol. 102, no 15, 155002- p.
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Physical Sciences
URN: urn:nbn:se:uu:diva-148695DOI: 10.1103/PhysRevLett.102.155002ISI: 000265285700036OAI: oai:DiVA.org:uu-148695DiVA: diva2:402853
Available from: 2011-03-10 Created: 2011-03-09 Last updated: 2011-03-10Bibliographically approved

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Swedish Institute of Space Physics, Uppsala Division
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