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VOLUME 72 (2000) | ISSUE 6 |
PAGE 432
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The ion cyclotron resonator in the magnetosphere
Guglielmi A.V., Potapov A.S., Russell C.T.
PACS: 94.30.Tz
Our concern here is to present the idea of ion cyclotron resonator in the planetary magnetosphere, and to discuss briefly the experimental status of the corresponding theory. The resonator confines the ion cyclotron waves to a thin equatorial zone, so that it keeps the wave field from coming in contact with the ionosphere resulting in a decrease of energy losses. The properties of resonator are illustrated by adopting plausible distribution of magnetic field in the equatorial zone, which yields an expression for the discrete spectrum of the waves just above the gyrofrequency of heavy ions. We show that the resonator is remarkable for many reasons, including the frequency dependence of its size and specific structure of the spectrum.
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