globalchange  > 气候减缓与适应
DOI: 10.1002/2017JA024789
Scopus ID: 2-s2.0-85044080104
Wave Phenomena and Beam-Plasma Interactions at the Magnetopause Reconnection Region
Author: Burch J.L.; Webster J.M.; Genestreti K.J.; Torbert R.B.; Giles B.L.; Fuselier S.A.; Dorelli J.C.; Rager A.C.; Phan T.D.; Allen R.C.; Chen L.-J.; Wang S.; Le Contel O.; Russell C.T.; Strangeway R.J.; Ergun R.E.; Jaynes A.N.; Lindqvist P.-A.; Graham D.B.; Wilder F.D.; Hwang K.-J.; Goldstein J.
Source Publication: Journal of Geophysical Research: Space Physics
ISSN: 21699380
Publishing Year: 2018
Volume: 123, Issue:2
pages begin: 1118
pages end: 1133
Language: 英语
Keyword: magnetopause ; reconnection
English Abstract: This paper reports on Magnetospheric Multiscale observations of whistler mode chorus and higher-frequency electrostatic waves near and within a reconnection diffusion region on 23 November 2016. The diffusion region is bounded by crescent-shaped electron distributions and associated dissipation just upstream of the X-line and by magnetic field-aligned currents and electric fields leading to dissipation near the electron stagnation point. Measurements were made southward of the X-line as determined by southward directed ion and electron jets. We show that electrostatic wave generation is due to magnetosheath electron beams formed by the electron jets as they interact with a cold background plasma and more energetic population of magnetospheric electrons. On the magnetosphere side of the X-line the electron beams are accompanied by a strong perpendicular electron temperature anisotropy, which is shown to be the source of an observed rising-tone whistler mode chorus event. We show that the apex of the chorus event and the onset of electrostatic waves coincide with the opening of magnetic field lines at the electron stagnation point. ©2018. The Authors.
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被引频次[WOS]:9   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:气候减缓与适应

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Affiliation: Southwest Research Institute, San Antonio, TX, United States; Department of Physics and Astronomy, Rice University, Houston, TX, United States; Space Research Institute, Austrian Academy of Sciences, Graz, Austria; Department of Physics, University of New Hampshire, Durham, NH, United States; NASA, Goddard Space Flight Center, Greenbelt, MD, United States; Department of Physics, Catholic University of America, Washington, DC, United States; Space Sciences Laboratory, University of California, Berkeley, CA, United States; Applied Physics Laboratory, The Johns Hopkins University, Laurel, MD, United States; Department of Astronomy, University of Maryland, College Park, MD, United States; Laboratoire de Physique des Plasmas, CNRS, Ecole Polytechnique, UPMC University Paris 06, Université Paris-Sud, Observatoire de Paris, Paris, France; Earth and Planetary Sciences, University of California, Los Angeles, CA, United States; LASP, University of Colorado Boulder, Boulder, CO, United States; Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States; Royal Institute of Technology, Stockholm, Sweden; Swedish Institute of Space Physics, Uppsala, Sweden

Recommended Citation:
Burch J.L.,Webster J.M.,Genestreti K.J.,et al. Wave Phenomena and Beam-Plasma Interactions at the Magnetopause Reconnection Region[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(2)
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