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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; Xiao, FL (reprint author), Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410004, Hunan, Peoples R China.
Department空间科学部
Source PublicationCHINESE PHYSICS LETTERS
2011
Volume28Issue:3Pages:39401
ISSN0256-307X
Language英语
AbstractTemporal 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.; 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.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3122
Collection空间科学部
Corresponding AuthorXiao, FL (reprint author), Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410004, Hunan, Peoples R China.
Recommended Citation
GB/T 7714
Xiao Fu-Liang,He Zhao-Guo,Zhang Sai,et al. Diffusion Simulation of Outer Radiation Belt Electron Dynamics Induced by Superluminous L-O Mode Waves[J]. CHINESE PHYSICS LETTERS,2011,28(3):39401.
APA Xiao Fu-Liang,He Zhao-Guo,Zhang Sai,Su Zhen-Peng,Chen Liang-Xu,&Xiao, FL .(2011).Diffusion Simulation of Outer Radiation Belt Electron Dynamics Induced by Superluminous L-O Mode Waves.CHINESE PHYSICS LETTERS,28(3),39401.
MLA Xiao Fu-Liang,et al."Diffusion Simulation of Outer Radiation Belt Electron Dynamics Induced by Superluminous L-O Mode Waves".CHINESE PHYSICS LETTERS 28.3(2011):39401.
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