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Convection Electric Fields and the Diffusion of Trapped Magnetospheric Radiation

We explore here the possible importance of time-dependent convection electric fields as an agent for diffusing trapped magnetospheric radiation inward toward the earth. By using a formalism (Birmingham, Northrop, and Fälthammar, 1967) based on first principles, and by adopting a simple model for the magnetosphere and its electric field, we succeed in deriving a one-dimensional diffusion equation to describe statistically the loss-free motion of mirroring particles with arbitrary but conserved values of the first two adiabat ...

Birmingham, Thomas;

YEAR: 1969     DOI: 10.1029/JA074i009p02169

Radial Transport