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Fast Ion Isotropiza...
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Richard, LouisDepartment of Physics and Astronomy, Space and Plasma Physics, Uppsala University, Uppsala 751 20, Sweden; Swedish Institute of Space Physics, Uppsala 751 21, Sweden
(författare)
Fast Ion Isotropization by Current Sheet Scattering in Magnetic Reconnection Jets
- Artikel/kapitelEngelska2023
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American Physical Society (APS),2023
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LIBRIS-ID:oai:DiVA.org:kth-338064
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-338064URI
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https://doi.org/10.1103/PhysRevLett.131.115201DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20231013
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We present a statistical analysis of ion distributions in magnetic reconnection jets using data from the Magnetospheric Multiscale spacecraft. Compared with the quiet plasma in which the jet propagates, we often find anisotropic and non-Maxwellian ion distributions in the plasma jets. We observe magnetic field fluctuations associated with unstable ion distributions, but the wave amplitudes are not large enough to scatter ions during the observed travel time of the jet. We estimate that the phase-space diffusion due to chaotic and quasiadiabatic ion motion in the current sheet is sufficiently fast to be the primary process leading to isotropization.
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Khotyaintsev, Yuri V.Swedish Institute of Space Physics, Uppsala 751 21, Sweden
(författare)
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Graham, Daniel B.Swedish Institute of Space Physics, Uppsala 751 21, Sweden
(författare)
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Vaivads, AndrisKTH,Rymd- och plasmafysik,Ventspils University of Applied Sciences, Ventspils 3601, Latvia(Swepub:kth)u167dmzs
(författare)
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Gershman, Daniel J.NASA Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
(författare)
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Russell, Christopher T.University of California, Los Angeles, California 90095, USA
(författare)
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Department of Physics and Astronomy, Space and Plasma Physics, Uppsala University, Uppsala 751 20, Sweden; Swedish Institute of Space Physics, Uppsala 751 21, SwedenSwedish Institute of Space Physics, Uppsala 751 21, Sweden
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Physical Review Letters: American Physical Society (APS)131:110031-90071079-7114
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