The dual role of ELF/VLF chorus waves in the acceleration and precipitation of radiation belt electrons

This paper provides a brief review of the role that chorus waves play in controlling the dynamics of the Earth's outer radiation belt. Three major topics are discussed: (i) the morphology, characteristics, and properties of chorus waves themselves, with special emphasis on more recent results,...

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Bibliographic Details
Published in:Journal of atmospheric and solar-terrestrial physics 2007-03, Vol.69 (3), p.378-386
Main Authors: Bortnik, J., Thorne, R.M.
Format: Article
Language:English
Subjects:
Acceleration
Chorus
Earth, ocean, space
Exact sciences and technology
External geophysics
Physics of the high neutral atmosphere
Physics of the ionosphere
Physics of the magnetosphere
Precipitation
Radiation belts
Wave–particle interactions
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Summary:This paper provides a brief review of the role that chorus waves play in controlling the dynamics of the Earth's outer radiation belt. Three major topics are discussed: (i) the morphology, characteristics, and properties of chorus waves themselves, with special emphasis on more recent results, (ii) the role that chorus waves play in the loss of radiation belt particles, showing initial results from modeling of relativistic electron microbursts, and estimated lifetimes based on microburst occurrence rates during the main phase of storms, and (iii) the role that chorus waves play in the acceleration of electrons to relativistic energies in the recovery phase of storms, based on a new quasilinear diffusion based calculation.
ISSN:1364-6826
1879-1824
DOI:10.1016/j.jastp.2006.05.030