Physics – Space Physics
Scientific paper
2011-04-13
Ann.Geophys.29:1673-1682,2011
Physics
Space Physics
5 pages, 4 figures, prepared for Ann. Geophys
Scientific paper
10.5194/anngeo-29-1673-2011
A simple mechanism for the generation of electromagnetic Zebra pattern emission is proposed. The mechanism is based on the generation of an ion-ring distribution in a magnetic mirror geometry in the presence of a properly directed field-aligned electric potential field. The ion-cyclotron maser then generates a number of electromagnetic ion-cyclotron harmonics which modulate the electron maser emission. The mechanism is capable of switching the emission on and off or amplifying it quasi-periodically which is a main feature of the observations.
Baumjohann Wolfgang
Nakamura Riou
Treumann Rudolf A.
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