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Generalization of Störmer Theory for an Axisymmetric Superposition of Dipole and Quadrupole Fields
Author(s) -
Tsareva O. O.
Publication year - 2019
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
eISSN - 2169-9402
pISSN - 2169-9380
DOI - 10.1029/2018ja026164
Subject(s) - superposition principle , quadrupole , rotational symmetry , dipole , physics , classical mechanics , generalization , motion (physics) , magnetic dipole , quadrupole magnet , atomic physics , quantum mechanics , mathematical analysis , mathematics , mechanics
Classical Störmer theory is generalized to the case of an axisymmetric superposition of dipole and quadrupole fields. The basic laws of the charged particle motion in certain azimuthally symmetric magnetic configurations are investigated. The allowed and forbidden regions of particle motion, and also the capture regions, which ensure the stable existence of radiation belts, are identified.