Bibliography



Van Allen Probes Bibliography is from August 2012 through September 2021

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Acceleration of relativistic electrons via drift-resonant interaction with toroidal-mode Pc-5 ULF oscillations


AuthorElkington, Scot; Hudson, M.; Chan, Anthony;
KeywordsRadial Transport
AbstractThere has been increasing evidence that Pc-5 ULF oscillations play a fundamental role in the dynamics of outer zone electrons. In this work we examine the adiabatic response of electrons to toroidal-mode Pc-5 field line resonances using a simplified magnetic field model. We find that electrons can be adiabatically accelerated through a drift-resonant interaction with the waves, and present expressions describing the resonance condition and half-width for resonant interaction. The presence of magnetospheric convection electric fields is seen to increase the rate of resonant energization, and allow bulk acceleration of radiation belt electrons. Conditions leading to the greatest rate of acceleration in the proposed mechanism, a nonaxisymmetric magnetic field, superimposed toroidal oscillations, and strong convection electric fields, are likely to prevail during storms associated with high solar wind speeds.
Year of Publication1999
JournalGeophysical Research Letters
Volume26
Number of Pages3273
Section
Date Published11/1999
ISBN
URLhttp://onlinelibrary.wiley.com/doi/10.1029/1999GL003659/full
DOI10.1029/1999GL003659