Low-frequency surface waves in a structured magnetized dusty plasma

It is shown that charged dust particles carrying a considerable proportion of the negative charge of a structured magnetized plasma can lead to low‐frequency electromagnetic surface waves which otherwise do not exist. The waves are Alfvén‐like and propagate across the stationary external magnetic fi...

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Veröffentlicht in:	Journal of Geophysical Research 1999-01, Vol.104 (A1), p.593-596
Hauptverfasser:	Ostrikov, K. N., Vladimirov, S. V., Yu, M. Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Earth, ocean, space Exact sciences and technology Fundamental aspects of astrophysics Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations Magnetohydrodynamics and plasmas
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Beschreibung
Zusammenfassung:	It is shown that charged dust particles carrying a considerable proportion of the negative charge of a structured magnetized plasma can lead to low‐frequency electromagnetic surface waves which otherwise do not exist. The waves are Alfvén‐like and propagate across the stationary external magnetic field with a frequency below the ion cyclotron but much above the dust cyclotron frequency. The dispersion characteristics of the modes are obtained and applications to space plasmas discussed.
ISSN:	0148-0227 2156-2202
DOI:	10.1029/1998JA900029