Abstract
We construct the bounce-averaged diffusion coefficients and study thebounce-averaged acceleration for energetic electrons in gyroresonancewith whistler mode chorus. Numerical calculations have been performedfor a band of chorus frequency distributed over a standard Gaussianspectrum specifically in the region near L = 4.5, where peaks of theelectron phase space density occur. It is found that whistler modechorus can efficiently accelerate electrons and can increase the phasespace density at energies of about 1 MeV by more than one order ofmagnitude about one day, in agreement with the satellite observationsduring the recovery phase of magnetic storms.
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