Bounce-Averaged Acceleration of Energetic Electrons by Whistler Mode Chorus in the Magnetosphere

XIAO Fu-Liang; CHEN Liang-Xu; ZHOU Qing-Hua; HE Hui-Yong; WEN Yong-Jun

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Bounce-Averaged Acceleration of Energetic Electrons by Whistler Mode Chorus in the Magnetosphere

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@@ We construct the bounce-averaged diffusion coefficients and study the bounce-averaged acceleration for energetic electrons in gyroresonance with whistler mode chorus. Numerical calculations have been performed for a band of chorus frequency distributed over a standard Gaussian spectrum specifically in the region near L = 4.5, where peaks of the electron phase space density occur. It is found that whistler mode chorus can efficiently accelerate electrons and can increase the phase space density at energies of about 1 MeV by more than one order of magnitude about one day, in agreement with the satellite observations during the recovery phase of magnetic storms.

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《中国物理快报：英文版》 |2007年第1期|294-297|共4页
作者
XIAO Fu-Liang; CHEN Liang-Xu; ZHOU Qing-Hua; HE Hui-Yong; WEN Yong-Jun;
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School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410076;

State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100080;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410076;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410076;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410076;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410076;

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中图分类物理学;
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Bounce-Averaged Acceleration of Energetic Electrons by Whistler Mode Chorus in the Magnetosphere

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