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Titel |
Eigenmode stability analysis of drift-mirror modes in nonuniform plasmas |
VerfasserIn |
D. Yu. Klimushkin, L. Chen |
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 ; 24, no. 10 ; Nr. 24, no. 10 (2006-10-20), S.2435-2439 |
Datensatznummer |
250015639
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Publikation (Nr.) |
copernicus.org/angeo-24-2435-2006.pdf |
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Zusammenfassung |
Drift-mirror modes in a one-dimensional inhomogeneous model of the magnetosphere are studied by employing
gyrokinetics,
taking into account finite Larmor radius effects. A wave equation is derived which describes both the spatial
structure of the modes, and its eigenvalue yields a growth rate of the mode. The finite Larmor radius effects are
shown to raise the instability threshold especially for high-m waves, and lead to wave propagation across field
lines. |
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