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DOI | 10.1029/2020GL090816 |
Statistical Characteristics in the Spectrum of Whistler Waves near the Diffusion Region of dayside Magnetopause Reconnection | |
Y. Ren; L. Dai; C.Wang; W. Li; X. Tao; B. Lavraud; O. Le Contel | |
2020-12-08 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | Using Magnetospheric Multiscale (MMS) data, we present a statistical analysis revealing characteristics in the frequency spectrum of whistler waves in the vicinity of the diffusion region of magnetopause reconnection. On the magnetosphere side of reconnection, whistler waves are highly centered around the 1/2 electron cyclotron frequency (Ωe). On the magnetosheath side of reconnection, whistler waves are mainly below 1/2 Ωe and peaked around 0.2 Ωe. The electron temperature anisotropy associated with the waves is evaluated. The occurrence rate of the whistler waves is large in the presence of perpendicular electron temperature anisotropy (Te⊥/Te‖ > 1). However, a large part of the whistler waves events occurs in association with parallel electron temperature anisotropy (Te⊥/Te‖ < 1) on the magnetosheath side of reconnection, reflecting a large number of the total observations with this electron condition. These results shed new lights on the whistler‐related electron kinetic processes near the reconnection diffusion region. This article is protected by copyright. All rights reserved. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/308297 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Y. Ren,L. Dai,C.Wang,et al. Statistical Characteristics in the Spectrum of Whistler Waves near the Diffusion Region of dayside Magnetopause Reconnection[J]. Geophysical Research Letters,2020. |
APA | Y. Ren.,L. Dai.,C.Wang.,W. Li.,X. Tao.,...&O. Le Contel.(2020).Statistical Characteristics in the Spectrum of Whistler Waves near the Diffusion Region of dayside Magnetopause Reconnection.Geophysical Research Letters. |
MLA | Y. Ren,et al."Statistical Characteristics in the Spectrum of Whistler Waves near the Diffusion Region of dayside Magnetopause Reconnection".Geophysical Research Letters (2020). |
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