Electron Bernstein waves driven by electron crescents near the electron diffusion region
Alternative TitleWOS:000511897900002
Li, W. Y.; Graham, D. B.; Khotyaintsev, Yu. V.; Vaivads, A.; Andre, M.; Min, K.; Liu, K.; Tang, B. B.; Wang, C.; Fujimoto, K.; Norgren, C.; Toledo-Redondo, S.; Lindqvist, P. -A.; Ergun, R. E.; Torbert, R. B.; Rager, A. C.; Dorelli, J. C.; Gershman, D. J.; Giles, B. L.; Lavraud, B.; Plaschke, F.; Magnes, W.; Le Contel, O.; Russell, C. T.; Burch, J. L.
AbstractThe Magnetospheric Multiscale (MMS) spacecraft encounter an electron diffusion region (EDR) of asymmetric magnetic reconnection at Earth's magnetopause. The EDR is characterized by agyrotropic electron velocity distributions on both sides of the neutral line. Various types of plasma waves are produced by the magnetic reconnection in and near the EDR. Here we report large-amplitude electron Bernstein waves (EBWs) at the electron-scale boundary of the Hall current reversal. The finite gyroradius effect of the outflow electrons generates the crescent-shaped agyrotropic electron distributions, which drive the EBWs. The EBWs propagate toward the central EDR. The amplitude of the EBWs is sufficiently large to thermalize and diffuse electrons around the EDR. The EBWs contribute to the cross-field diffusion of the electron-scale boundary of the Hall current reversal near the EDR.
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Affiliation1.[Li, W. Y.
2.Tang, B. B.
3.Wang, C.] Chinese Acad Sci, State Key Lab Space Weather, Natl Space Sci Ctr, Beijing 100190, Peoples R China
4.[Li, W. Y.
5.Graham, D. B.
6.Khotyaintsev, Yu. V.
7.Andre, M.] Swedish Inst Space Phys, SE-75121 Uppsala, Sweden
8.[Li, W. Y.] Macau Univ Sci & Technol, State Key Lab Lunar & Planetary Sci, Macau, Peoples R China
9.[Vaivads, A.
10.Lindqvist, P. -A.] KTH Royal Inst Technol, Div Space & Plasma Phys, Sch Elect Engn & Comp Sci, SE-11428 Stockholm, Sweden
11.[Min, K.] Chungnam Natl Univ, Dept Astron & Space Sci, Daejeon 34134, South Korea
12.[Liu, K.] Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen 518055, Peoples R China
13.[Fujimoto, K.] Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China
14.[Norgren, C.] Univ Bergen, Dept Phys & Technol, N-5020 Bergen, Norway
15.[Toledo-Redondo, S.
16.Lavraud, B.] Univ Toulouse, Inst Rech Astrophys & Planetol, CNRS, UPS,CNES, F-31028 Toulouse, France
17.[Toledo-Redondo, S.] Univ Murcia, Dept Electromagnetism & Elect, Murcia 30003, Spain
18.[Ergun, R. E.] Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80303 USA
19.[Torbert, R. B.] Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA
20.[Rager, A. C.] Catholic Univ Amer, Washington, DC 20064 USA
21.[Rager, A. C.
22.Dorelli, J. C.
23.Gershman, D. J.
24.Giles, B. L.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
25.[Gershman, D. J.] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
26.[Plaschke, F.
27.Magnes, W.] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
28.[Le Contel, O.] Univ Paris Sud, Lab Phys Plasmas, Ecole Polytech, CNRS,Sorbonne Univ,Observ Paris, F-75252 Paris, France
29.[Russell, C. T.] Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USA
30.[Burch, J. L.] Southwest Res Inst, San Antonio, TX 78238 USA
Recommended Citation
GB/T 7714
Li, W. Y.,Graham, D. B.,Khotyaintsev, Yu. V.,et al. Electron Bernstein waves driven by electron crescents near the electron diffusion region[J]. NATURE COMMUNICATIONS,2020,11(1):141.
APA Li, W. Y..,Graham, D. B..,Khotyaintsev, Yu. V..,Vaivads, A..,Andre, M..,...&Burch, J. L..(2020).Electron Bernstein waves driven by electron crescents near the electron diffusion region.NATURE COMMUNICATIONS,11(1),141.
MLA Li, W. Y.,et al."Electron Bernstein waves driven by electron crescents near the electron diffusion region".NATURE COMMUNICATIONS 11.1(2020):141.
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