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Fine Structures of ...
Fine Structures of the Electron Current Sheet in Magnetotail Guide-Field Reconnection
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Tang, B. -B (author)
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- Li, W. Y. (author)
- Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.
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- Khotyaintsev, Yuri V. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Graham, Daniel B. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Gao, C. H. (author)
- Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.;Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China.
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- Chen, Z. Z. (author)
- Beihang Univ, Sch Space & Environm, Beijing, Peoples R China.
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- Fu, H. S. (author)
- Beihang Univ, Sch Space & Environm, Beijing, Peoples R China.
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- Lu, Q. M. (author)
- Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei, Peoples R China.
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- Wang, C. (author)
- Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.;Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China.
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- Burch, J. L. (author)
- Southwest Res Inst, San Antonio, TX USA.
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Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China Institutet för rymdfysik, Uppsalaavdelningen (creator_code:org_t)
- American Geophysical Union (AGU), 2022
- 2022
- English.
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In: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 49:9
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- We investigate fine structures of the electron current sheet in magnetotail guide-field reconnection using Magnetospheric Multiscale observations. This current sheet, observed in the outer electron diffusion region (EDR) of reconnection, is featured by clear bifurcation and deflection, and also has complicated fine sublayers. The formation of these sublayers is closely related to streaming and meandering electrons, which are facilitated by the reconnection guide field. In particular, in the sublayer around the B-L reversal, the meandering electrons, which usually move along the out-of-plane (M) direction, are strongly distorted into the v(L)-v(N) plane due to the finite B-M component. The low frequency fluctuation of this current sheet is also revealed, contributing similar to 3% of the reconnection electric field by the anomalous effect. We suggest that such current sheet fluctuations, possibly driven by the magnetic double-gradient instability, can be characteristic in the outer EDR.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Tang, B. -B
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Li, W. Y.
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Khotyaintsev, Yu ...
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Graham, Daniel B ...
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Gao, C. H.
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Chen, Z. Z.
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show more...
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Fu, H. S.
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Lu, Q. M.
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Wang, C.
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Burch, J. L.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
- Articles in the publication
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Geophysical Rese ...
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Uppsala University