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Upward Frequency Sweeping Due to the Nonlinear Resonance of Multiwave Coupling and Its Significant Contribution to the Hall Effect at the Reconnection Point
Huang, Fucheng1; Feng, Xueshang2
Department空间科学部
Source PublicationGeophysical Research Letters
2018
DOI10.1029/2018GL078614
ISSN0094-8276
Language英语
Abstract

We suggest a nonlinear resonance mechanism to explain how the Hall term predominates the convection term at the reconnection point during magnetic reconnection quantitatively. Both the case with guide field and that without guide field are run in this simulation. The new findings are as follows: (1) The Hall term compared to the convection term can reach the order of several tens with sharp peaks at the reconnection point in the former case. (2) The frequency range of electrostatic waves at the reconnection point in the former case is broader than that in the latter case. (3) The instantaneous frequency of x or z component of the Hall term can pulse instantly in the former case, and it can exceed the order of 10 in this case. The upward frequency sweeping due to the nonlinear resonance of multiwave coupling is inferred to be responsible for the above simulation results. ©2018. American Geophysical Union. All Rights Reserved.

Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6575
Collection空间科学部
Corresponding AuthorHuang, Fucheng
Affiliation1.School of Science, Nanchang University, Nanchang, China;
2.State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Huang, Fucheng,Feng, Xueshang. Upward Frequency Sweeping Due to the Nonlinear Resonance of Multiwave Coupling and Its Significant Contribution to the Hall Effect at the Reconnection Point[J]. Geophysical Research Letters,2018.
APA Huang, Fucheng,&Feng, Xueshang.(2018).Upward Frequency Sweeping Due to the Nonlinear Resonance of Multiwave Coupling and Its Significant Contribution to the Hall Effect at the Reconnection Point.Geophysical Research Letters.
MLA Huang, Fucheng,et al."Upward Frequency Sweeping Due to the Nonlinear Resonance of Multiwave Coupling and Its Significant Contribution to the Hall Effect at the Reconnection Point".Geophysical Research Letters (2018).
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