Occurrence rate of whistler waves in the magnetotail reconnection region

被引:37
|
作者
Huang, S. Y. [1 ]
Yuan, Z. G. [1 ]
Sahraoui, F. [2 ]
Fu, H. S. [3 ]
Pang, Y. [4 ]
Zhou, M. [4 ]
Fujimoto, K. [3 ]
Deng, X. H. [4 ]
Retino, A. [2 ]
Wang, D. D. [1 ]
Yu, X. D. [1 ]
Li, H. M. [4 ]
机构
[1] Wuhan Univ, Sch Elect Informat, Wuhan, Hubei, Peoples R China
[2] UPMC, Ecole Polytech, CNRS, LPP, Palaiseau, France
[3] Beihang Univ, Sch Space & Environm, Beijing, Peoples R China
[4] Nanchang Univ, Inst Space Sci & Technol, Nanchang, Jiangxi, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
ELECTRON-DIFFUSION REGION; MAGNETIC RECONNECTION; EARTHS MAGNETOSPHERE; SEPARATRIX REGIONS; MMS OBSERVATIONS; PLASMA-WAVES; MODE WAVES; MAGNETOPAUSE; INSTABILITY; ANISOTROPY;
D O I
10.1002/2016JA023670
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
It has long been suggested that whistler waves play an active role during magnetic reconnection. However, all previous observations were based on case studies and could not give a detailed picture as to where the whistler waves occur in the reconnection region. In this paper, a statistical study by using the Cluster data is performed to investigate the spatial distribution and the occurrence rate of whistler waves in the magnetotail reconnection region. It is found that the occurrence rate of the whistler waves is large in the separatrix region (|B-x/B-0|>0.4) and in the pileup region (|B-x/B-0|<0.2, ||>45 degrees, where =arctan(B-z/B-x)), but is very small in the vicinity of the X-line. These statistical results are well consistent with recent kinetic simulations and with previous observational case studies.
引用
收藏
页码:7188 / 7196
页数:9
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