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Whistler Waves Driven by Field-Aligned Streaming Electrons in the Near-Earth Magnetotail Reconnection
Ren, Y.1; Dai, L.1; Li, W.2; Tao, X.3; Wang, C.1; Tang, B.1; Lavraud, B.4; Wu, Y.3; Burch, J.L.5; Giles, B.L.6; Le Contel, O.7; Torbert, R.B.8; Russell, C.T.9; Strangeway, R.J.9; Ergun, R.E.1,10; Lindqvist, P.-A.1,11
Department空间科学部
Source PublicationGEOPHYSICAL RESEARCH LETTERS
2019
Volume46Issue:10Pages:5045-5054
DOI10.1029/2019GL083283
ISSN0094-8276
Language英语
AbstractWe analyze Magnetospheric Multiscale Mission observations of whistler waves and associated electron field-aligned crescent distribution in the vicinity of the magnetotail near-Earth X-line. The whistler waves propagate outward from the X-line in the neutral sheet. The associated field-aligned streaming electrons exhibit a crescent-like shape, with an inverse slope (df/d vertical bar v(parallel to)vertical bar > 0) at 1-5 keV. The parallel phase velocity of the waves is in the range (1-5 keV) of the inverse slope of the field-aligned crescents in the velocity space. We demonstrate that the observed whistler waves are driven by the electron field-aligned crescents through Landau resonance. The cyclotron resonance is at the high-energy tail with negligible free energy of pitch angle anisotropy in these events.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7045
Collection空间科学部
Affiliation1.State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China;
2.Center for Space Physics, Boston University, Boston; MA, United States;
3.CAS Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei, China;
4.Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, UPS, CNES, Toulouse, France;
5.Southwest Research Institute, San Antonio; TX, United States;
6.NASA Goddard Space Flight Center, Greenbelt; MD, United States;
7.Laboratoire de Physique des Plasmas, CNRS/Ecole Polytechnique/Sorbonne Université/Université Paris-Sud/Observatoire de Paris, Paris, France;
8.Department of Physics, University of New Hampshire, Durham; NH, United States;
9.Earth and Planetary Sciences, University of California, Los Angeles, Los Angeles; CA, United States;
10.Department of Astrophysical and Planetary Sciences, University of Colorado Boulder, Boulder; CO, United States;
11.Space and Plasma Group, Royal Institute of Technology, Stockholm, Sweden
Recommended Citation
GB/T 7714
Ren, Y.,Dai, L.,Li, W.,et al. Whistler Waves Driven by Field-Aligned Streaming Electrons in the Near-Earth Magnetotail Reconnection[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(10):5045-5054.
APA Ren, Y..,Dai, L..,Li, W..,Tao, X..,Wang, C..,...&Lindqvist, P.-A..(2019).Whistler Waves Driven by Field-Aligned Streaming Electrons in the Near-Earth Magnetotail Reconnection.GEOPHYSICAL RESEARCH LETTERS,46(10),5045-5054.
MLA Ren, Y.,et al."Whistler Waves Driven by Field-Aligned Streaming Electrons in the Near-Earth Magnetotail Reconnection".GEOPHYSICAL RESEARCH LETTERS 46.10(2019):5045-5054.
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