Diffusion Simulation of Outer Radiation Belt Electron Dynamics Induced by Superluminous L-O Mode Waves

XIAO Fu-Liang; HE Zhao-Guo; ZHANG Sai; SU Zhen-Peng; CHEN Liang-Xu

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Diffusion Simulation of Outer Radiation Belt Electron Dynamics Induced by Superluminous L-O Mode Waves

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Temporal evolution of outer radiation belt electron dynamics resulting from superluminous L-O mode waves is simulated at L＝6.5. Diffusion rates are evaluated and then used as inputs to solve a 2D momentum-pitch-angle diffusion equation, particularly with and without cross diffusion terms. Simulated results demonstrate that phase space density(PSD) of energetic electrons due to L-O mode waves can enhance significantly within 24 h, covering a broader pitch-angle range in the absence of cross terms than that in the presence of cross terms. PSD evolution is also determined by the peak wave frequency, particularly at high kinetic energies. This result indicates that superluminous waves can be a potential candidate responsible for outer radiation belt electron dynamics.

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《中国物理快报：英文版》 |2011年第3期|236-239|共4页
作者
XIAO Fu-Liang; HE Zhao-Guo; ZHANG Sai; SU Zhen-Peng; CHEN Liang-Xu;
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School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha,410004;

State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing,100190;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha,410004;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha,410004;

CAS Key Lab for Basic Plasma Science, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026;

School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha,410004;

School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074;

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Diffusion Simulation of Outer Radiation Belt Electron Dynamics Induced by Superluminous L-O Mode Waves

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