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DOI | 10.1029/2021GL093164 |
Upper-hybrid waves driven by meandering electrons around magnetic reconnection X line | |
W.-Y. Li; Yu. V. Khotyaintsev; B.-B. Tang; D. B. Graham; C. Norgren; A. Vaivads; M. André; A. Le; J. Egedal; K. Dokgo; K. Fujimoto; J.-S. He; J. L. Burch; P.-A. Lindqvist; R. E. Ergun; R. B. Torbert; O. Le Contel; D. J. Gershman; B. L. Giles; B. Lavraud; S. Fuselier; F. Plaschke; C. T. Russell; X.-C. Guo; Q.-M. Lu; C. Wang | |
2021-07-30 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Magnetic reconnection is a fundamental process in collisionless space plasma environment, and plasma waves relevant to the kinetic interactions can have a significant impact on the multiscale behavior of reconnection. Here, we present Magnetospheric Multiscale (MMS) observations during an encounter of an X line of symmetric magnetic reconnection in the magnetotail. The X line is characterized by reversals of ion and electron jets and electromagnetic fields, agyrotropic electron velocity distribution functions (VDFs), and an electron-scale current sheet. MMS observe large-amplitude nonlinear Upper-Hybrid (UH) waves on both sides of the neutral line, and the wave amplitudes have highly localized distribution along the normal direction. The inbound meandering electrons drive the UH waves, releasing the free energy stored from the reconnection electric field along the meandering trajectories. The interaction between the meandering electrons and the UH waves may modify the balance of the reconnection electric field around the X line. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/335352 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | W.-Y. Li,Yu. V. Khotyaintsev,B.-B. Tang,et al. Upper-hybrid waves driven by meandering electrons around magnetic reconnection X line[J]. Geophysical Research Letters,2021. |
APA | W.-Y. Li.,Yu. V. Khotyaintsev.,B.-B. Tang.,D. B. Graham.,C. Norgren.,...&C. Wang.(2021).Upper-hybrid waves driven by meandering electrons around magnetic reconnection X line.Geophysical Research Letters. |
MLA | W.-Y. Li,et al."Upper-hybrid waves driven by meandering electrons around magnetic reconnection X line".Geophysical Research Letters (2021). |
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