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MMS Observations of...
MMS Observations of Multiscale Hall Physics in the Magnetotail
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- Alm, Love (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- André, Mats (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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- Khotyaintsev, Yuri V. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Vaivads, Andris (author)
- KTH,Rymd- och plasmafysik,KTH Royal Inst Technol, Stockholm, Sweden
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- Chappell, Charles R. (author)
- Vanderbilt Univ, Dept Phys & Astron, Vanderbilt Dyer Observ, Nashville, TN 37235 USA.
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- Dargent, Jeremy (author)
- Univ Pisa, Phys Dept Enrico Fermi, Pisa, Italy.
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- Fuselier, Stephen A. (author)
- Southwest Res Inst, San Antonio, TX USA.;Univ Texas San Antonio, Dept Phys & Astron, San Antonio, TX USA.
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- Haaland, Stein (author)
- Max Planck Inst Solar Syst Res, Gottingen, Germany.;Univ Bergen, Birkeland Ctr Space Sci, Bergen, Norway.
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- Lavraud, Benoit (author)
- Univ Toulouse, Inst Rech Astrophys & Planetol, CNRS, UPS,CNES, Toulouse, France.
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- Li, Wenya (author)
- Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China.
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- Tenfjord, Paul (author)
- Univ Bergen, Birkeland Ctr Space Sci, Bergen, Norway.
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- Toledo-Redondo, Sergio (author)
- Univ Toulouse, Inst Rech Astrophys & Planetol, CNRS, UPS,CNES, Toulouse, France.
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- Vines, Sarah K. (author)
- Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA.
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(creator_code:org_t)
- AMER GEOPHYSICAL UNION, 2019
- 2019
- English.
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In: Geophysical Research Letters. - : AMER GEOPHYSICAL UNION. - 0094-8276 .- 1944-8007.
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- We present Magnetospheric Multiscale mission (MMS) observations of Hall physics in the magnetotail, which compared to dayside Hall physics is a relatively unexplored topic. The plasma consists of electrons, moderately cold ions (T similar to 1.5 keV) and hot ions (T similar to 20 keV). MMS can differentiate between the cold ion demagnetization region and hot ion demagnetization regions, which suggests that MMS was observing multiscale Hall physics. The observed Hall electric field is compared with a generalized Ohm's law, accounting for multiple ion populations. The cold ion population, despite its relatively high initial temperature, has a significant impact on the Hall electric field. These results show that multiscale Hall physics is relevant over a much larger temperature range than previously observed and is relevant for the whole magnetosphere as well as for other astrophysical plasma.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- cold ions
- Hall physics
- reconnection
- multiscale
- MMS
- magnetotail
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Alm, Love
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André, Mats
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Graham, Daniel B ...
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Khotyaintsev, Yu ...
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Vaivads, Andris
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Chappell, Charle ...
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show more...
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Dargent, Jeremy
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Fuselier, Stephe ...
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Haaland, Stein
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Lavraud, Benoit
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Li, Wenya
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Tenfjord, Paul
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Toledo-Redondo, ...
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Vines, Sarah K.
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show less...
- 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 ...
- By the university
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Royal Institute of Technology
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Uppsala University