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New Features of Electron Phase Space Holes Observed by the THEMIS Mission
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 102, no 22, 225004- p.Article in journal (Refereed) Published
Abstract [en]

Observations of electron phase-space holes (EHs) in Earth's plasma sheet by the THEMIS satellites include the first detection of a magnetic perturbation (delta B-parallel to) parallel to the ambient magnetic field (B-0). EHs with a detectable delta B-parallel to have several distinguishing features including large electric field amplitudes, a magnetic perturbation perpendicular to B-0, high speeds (similar to 0.3c) along B-0, and sizes along B-0 of tens of Debye lengths. These EHs have a significant center potential (Phi similar to k(B)T(e)/e), suggesting strongly nonlinear behavior nearby such as double layers or magnetic reconnection.

Place, publisher, year, edition, pages
2009. Vol. 102, no 22, 225004- p.
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Physical Sciences
URN: urn:nbn:se:uu:diva-148319DOI: 10.1103/PhysRevLett.102.225004ISI: 000266685400028OAI: oai:DiVA.org:uu-148319DiVA: diva2:402114
Available from: 2011-03-07 Created: 2011-03-04 Last updated: 2011-03-07Bibliographically approved

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Swedish Institute of Space Physics, Uppsala Division
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