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| Titel |
The electron diffusion region during magnetopause reconnection observed by MMS |
| VerfasserIn |
Li-Jen Chen, Michael Hesse, Shan Wang, Naoki Bessho, Jim Burch, Roy Torbert, Craig Pollock, Barbara Giles, William Daughton, Daniel Gershman, John Dorelli, Robert Strangeway, Robert Ergun, Yuri Khotyaintsev |
| Konferenz |
EGU General Assembly 2016
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| Medientyp |
Artikel
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| Sprache |
en
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 18 (2016) |
| Datensatznummer |
250129748
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| Publikation (Nr.) |
 EGU/EGU2016-9901.pdf |
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| Zusammenfassung |
| Observations of the electron diffusion region (EDR) during magnetopause reconnection will be reported based on measurements from the Magnetospheric Multiscale (MMS) mission. The unprecedented high-cadence three-dimensional measurements from the Fast Plasma Investigation and the FIELDS suite onboard the four MMS spacecraft captured plasma flows, fields, and electron distribution functions in a couple of EDR events. The MMS measurements will be examined and compared with predictions by particle-in-cell (PIC) simulations. Implications on key reconnection open questions such as collisionless dissipation and heating will be explored. In particular, whether cyclotron-turning of accelerated electrons towards dowstream limits the current, and enables reconnection to occur in a collisionless plasma will be addressed for the first time with spacecraft measurements. |
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