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| Titel |
Auroral kilometric radiation from a nonstationary thin plasma cavity |
| VerfasserIn |
T. M. Burinskaya, J.-L. Rauch |
| 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 ; 30, no. 7 ; Nr. 30, no. 7 (2012-07-25), S.1093-1097 |
| Datensatznummer |
250017246
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| Publikation (Nr.) |
 copernicus.org/angeo-30-1093-2012.pdf |
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| Zusammenfassung |
| Results obtained using a waveguide model of the AKR generation in thin
plasma cavities are presented. Taking into account the occurrence of low
frequency plasma motion in the regions of the AKR generation, we have
considered a wave escape from a thin plasma cavity with adiabatically slowly
varying width, and show that there can exist localized regions of
instability from which the extraordinary X-mode waves, growing in time, can
be radiated outwards. It has been found that waves, propagating
quasi-tangentially to the source frontiers, have the maximum growth rate and
escape outward most efficiently, which is in accordance with experimental
observations. |
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