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| Titel |
Properties of fast solitary structures |
| VerfasserIn |
R. E. Ergun, C. W. Carlson, L. Muschietti, I. Roth, J. P. McFadden |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 6, no. 3/4 ; Nr. 6, no. 3/4, S.187-194 |
| Datensatznummer |
250003223
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| Publikation (Nr.) |
 copernicus.org/npg-6-187-1999.pdf |
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| Zusammenfassung |
| We present detailed observations of
electromagnetic waves and particle distributions from the Fast Auroral SnapshoT
(FAST) satellite which reveal many important properties of large-amplitude,
spatially-coherent plasma structures known as "fast solitary
structures" or "electron phase space holes". Similar structures
have been observed in several regions of the magnetosphere including the auroral
zone, plasma sheet boundary layer, and bow shock. There has been rapid
theoretical progress in understanding these structures. Solitary structures can
develop from bidirectional electron beams. Once developed, the one-dimensional
properties parallel to the magnetic field can be adequately described by
analytical treatment as BGK structures. There remains, however, several
unanswered questions. The origin of the bidirectional electron beams, the
development of two-or three-dimensional structures, and the observed association
with the ion cyclotron frequency are not well understood. |
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