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Generation of lower and upper bands of electrostatic electron cyclotron harmonic waves in the Van Allen radiation belts

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成果类型:
期刊论文
作者:
Zhou, Qinghua;Xiao, Fuliang*;Yang, Chang;Liu, Si;He, Yihua;...
通讯作者:
Xiao, Fuliang
作者机构:
[Yang, Chang; Xiao, Fuliang; Zhou, Qinghua; Liu, Si; He, Yihua] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.
[Baker, D. N.] Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80309 USA.
[Spence, H. E.] Univ New Hampshire, Inst Study Earth Oceans & Space, Durham, NH 03824 USA.
[Reeves, G. D.] Los Alamos Natl Lab, Space Sci & Applicat Grp, Los Alamos, NM USA.
[Funsten, H. O.] Los Alamos Natl Lab, ISR Div, Los Alamos, NM USA.
通讯机构:
[Xiao, Fuliang] C
Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha, Hunan, Peoples R China.
语种:
英文
关键词:
ECH waves;wave-particle interaction;RBSP results
期刊:
GEOPHYSICAL RESEARCH LETTERS
ISSN:
0094-8276
年:
2017
卷:
44
期:
11
页码:
5251-5258
基金类别:
This work is supported by the National Natural Science Foundation of China grants 41674166, 41531072, 41504125, and 41404130 and Scientific Research Fund of Hunan Provincial Education Department under grant 16K003. All the Van Allen Probes data are publicly available at https://emfisis.physics.uiowa.edu/data/index by the EMFISIS instrument and at http://www.rbsp-ect.lanl.gov/data_pub/ by the HOPE instrument. This work was also supported by JHU/APL contract 921647 and 967399 under NASA Prime contract NAS5-01072.
机构署名:
本校为第一且通讯机构
院系归属:
物理与电子科学学院
摘要:
Electrostatic electron cyclotron harmonic (ECH) waves generated by the electron loss cone distribution can produce efficient scattering loss of plasma sheet electrons, which has a significant effect on the dynamics in the outer magnetosphere. Here we report two ECH emission events around the same location L≈ 5.7–5.8, MLT ≈ 12 from Van Allen Probes on 11 February (event A) and 9 January 2014 (event B), respectively. The spectrum of ECH waves was centered at the lower half of the harmonic bands during event A, but the upper half during event B...

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