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Observations of Electron Vorticity in the Inner Plasma SheetFrom a limited number of observations it appears that vorticity is a common feature in the inner plasma sheet. With the four Cluster spacecraft and the four PEACE instruments positioned in a tetrahedral configuration, for the first time it is possible to directly estimate the electron fluid vorticity in a space plasma. We show examples of electron fluid vorticity from multiple plasma sheet crossings. These include three time periods when Cluster passed through a reconnection ion diffusion region. Enhancements in vorticity are seen in association with each crossing of the ion diffusion region.
Document ID
20110022653
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.5194/angeo-29-1517-2011
Authors
Gurgiolo, C. (Bitterroot Basic Research, Inc. Hamilton, MT, United States)
Goldstein, M. L. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Vinas, A. F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Matthaeus, W. H. (Delaware Univ. Newark, DE, United States)
Fazakerley, A. N. (Mullard Space Science Lab. Dorking, United Kingdom)
Date Acquired
August 25, 2013
Publication Date
September 1, 2011
Publication Information
Publication: Annales Geophysicae
Publisher: Copernicus Publications for European Geosciences Union
Volume: 29
Subject Category
Space Radiation
Report/Patent Number
GSFC.JA.5301.2011
Funding Number(s)
CONTRACT_GRANT: NNX10AQ46G
CONTRACT_GRANT: NNX09AG31G
Distribution Limits
Public
Copyright
Public Use Permitted.

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