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| Titel |
The transformation of magnetoacoustic waves into Alfvén waves inside the magnetosphere |
| VerfasserIn |
A. E. Kozlovsky, V. V. Safargaleev, W. B. Lyatsky |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 12, no. 10/11 ; Nr. 12, no. 10/11, S.1022-1026 |
| Datensatznummer |
250010340
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| Publikation (Nr.) |
 copernicus.org/angeo-12-1022-1994.pdf |
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| Zusammenfassung |
| A mechanism for the transformation of a
magnetoacoustic wave into an Alfvén wave is proposed. During the compression of
the magnetosphere by the solar wind the inner edge of the plasma sheet and the
contours of B=const move in different ways. In the case of asymmetrical
compression, the contours of B=const will cross the inner edge of the
plasma sheet. To close the drift currents - that flow in the plasma sheet along
the contours of B=const - the appearance of the field-aligned currents is
necessary. This appearance corresponds to the generation of the Alfvén wave. |
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