Van Allen Probes Bibliography is from August 2012 through September 2021 Notice:
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2015 |
Nonlinear subcyclotron resonance as a formationmechanism for gaps in banded chorus An interesting characteristic of magnetospheric chorus is the presence of a frequency gap at ω≃0.5Ωe, where Ωe is the electron cyclotron angular frequency. Recent chorus observations sometimes show additional gaps near 0.3Ωe and 0.6Ωe. Here we present a novel nonlinear mechanism for the formation of these gaps using Hamiltonian theory and test particle simulations in a homogeneous, magnetized, collisionless plasma. We find that an oblique whistler wave with frequency at a fraction of the electron cyclotron frequency c ... Fu, Xiangrong; Guo, Zehua; Dong, Chuanfei; Gary, Peter; Published by: Geophysical Research Letters Published on: 05/2015 YEAR: 2015   DOI: 10.1002/2015GL064182 |
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