Physics – Plasma Physics
Scientific paper
Nov 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aps..dpp..8s17e&link_type=abstract
American Physical Society, Division of Plasma Physics Meeting, November 10-15, 1996, abstract #8S.17
Physics
Plasma Physics
Scientific paper
The instability of Jupiter's radiation belts is studied from the perspective of whistler wave excitation at cyclotron resonance. In accordance with direct measurement a dumbbell-shaped distribution function is used for relativistic electrons with both transverse and longitudinal anisotropy, i.e., the maximum of the angular distribution in the equatorial plane is not perpendicular to the magnetic field. It is shown that instability occurs in three bands: one band is situated below the relativistic gyrofrequency while the other two are centered at half the nonrelativistic gyrofrequency. These results are important because the experiments on board the ``Voyager-1'' indicated that the whistler emission in the magnetosphere of Jupiter is typically registered in three spectral bands. Supported in part by Tesla Labs, Inc., La Jolla, CA 92038-2946, within the project ``Plasma Astrophysics.''. ^1Permanent address: Institute for Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia.
Bespalov Peter A.
Efremova V. G.
Stefan V.
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