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Intense low-frequency chorus waves observed by Van Allen Probes: Fine structures and potential effect on radiation belt electrons

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成果类型:
期刊论文
作者:
Gao, Zhonglei;Su, Zhenpeng*;Zhu, Hui;Xiao, Fuliang;Zheng, Huinan;...
通讯作者:
Su, Zhenpeng
作者机构:
[Su, Zhenpeng; Zheng, Huinan; Wang, Yuming; Zhu, Hui; Wang, Shui; Gao, Zhonglei] Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China.
[Su, Zhenpeng; Zheng, Huinan; Wang, Yuming; Zhu, Hui; Wang, Shui; Gao, Zhonglei] Univ Sci & Technol China, Collaborat Innovat Ctr Astronaut Sci & Technol, Hefei 230026, Peoples R China.
[Zhu, Hui; Gao, Zhonglei] Univ Sci & Technol China, Sch Earth & Space Sci, Mengcheng Natl Geophys Observ, Hefei 230026, Peoples R China.
[Xiao, Fuliang] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.
[Shen, Chao] Harbin Inst Technol, Shenzhen Grad Sch, Shenzhen, Peoples R China.
通讯机构:
[Su, Zhenpeng] U
Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China.
Univ Sci & Technol China, Collaborat Innovat Ctr Astronaut Sci & Technol, Hefei 230026, Peoples R China.
语种:
英文
关键词:
low-frequency chorus;rising tones;hiss-like band;cyclotron resonance;radiation belt;Van Allen Probes
期刊:
GEOPHYSICAL RESEARCH LETTERS
ISSN:
0094-8276
年:
2016
卷:
43
期:
3
页码:
967-977
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41422405, 41274169, 41274174, 41174125, 41131065, 41421063, 41231066, 41304134]; Chinese Academy of SciencesChinese Academy of Sciences [KZCX2-EW-QN510, KZZD-EW-01-4]; National Key Basic Research Special Foundation of ChinaNational Basic Research Program of China [2011CB811403]; Strategic Priority Research Program on Space Science of the Chinese Academy of Sciences [XDA04060201]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [WK2080000077]
机构署名:
本校为其他机构
院系归属:
物理与电子科学学院
摘要:
Frequency distribution is a vital factor in determining the contribution of whistler mode chorus to radiation belt electron dynamics. Chorus is usually considered to occur in the frequency range 0.1-0.8fce-eq (with the equatorial electron gyrofrequency fce-eq). We here report an event of intense low-frequency chorus with nearly half of wave power distributed below 0.1fce-eq observed by Van Allen Probe A on 27 August 2014. This emission propagated quasi-parallel to the magnetic field and exhibited hiss-like signatures most of the time. The low-f...

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