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DOI: 10.1002/2016GL069473
Title:
Observations of whistler mode waves with nonlinear parallel electric fields near the dayside magnetic reconnection separatrix by the Magnetospheric Multiscale mission
Author: Wilder F.D.; Ergun R.E.; Goodrich K.A.; Goldman M.V.; Newman D.L.; Malaspina D.M.; Jaynes A.N.; Schwartz S.J.; Trattner K.J.; Burch J.L.; Argall M.R.; Torbert R.B.; Lindqvist P.-A.; Marklund G.; Le Contel O.; Mirioni L.; Khotyaintsev Y.V.; Strangeway R.J.; Russell C.T.; Pollock C.J.; Giles B.L.; Plaschke F.; Magnes W.; Eriksson S.; Stawarz J.E.; Sturner A.P.; Holmes J.C.
Source Publication: Geophysical Research Letters
ISSN: 0094-9665
EISSN: 1944-9396
Publishing Year: 2016
Volume: 43, Issue:12
pages begin: 5909
pages end: 5917
Language: 英语
Keyword: boundary layer ; magnetic reconnection ; nonlinear waves ; whistlers
Scopus Keyword: Boundary layers ; Digital storage ; Electric fields ; Magnetism ; Magnetoplasma ; Magnetosphere ; Solitons ; Electron distributions ; Electrostatic solitary waves ; Low latitude boundary layer ; Magnetic reconnections ; Magnetospheric multiscale missions ; Nonlinear waves ; Parallel electric fields ; whistlers ; Atmospherics ; Pachycephalidae
English Abstract: We show observations from the Magnetospheric Multiscale (MMS) mission of whistler mode waves in the Earth's low-latitude boundary layer (LLBL) during a magnetic reconnection event. The waves propagated obliquely to the magnetic field toward the X line and were confined to the edge of a southward jet in the LLBL. Bipolar parallel electric fields interpreted as electrostatic solitary waves (ESW) are observed intermittently and appear to be in phase with the parallel component of the whistler oscillations. The polarity of the ESWs suggests that if they propagate with the waves, they are electron enhancements as opposed to electron holes. The reduced electron distribution shows a shoulder in the distribution for parallel velocities between 17,000 and 22,000 km/s, which persisted during the interval when ESWs were observed, and is near the phase velocity of the whistlers. This shoulder can drive Langmuir waves, which were observed in the high-frequency parallel electric field data. ©2016. American Geophysical Union. All Rights Reserved.
Related Link: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983247063&doi=10.1002%2f2016GL069473&partnerID=40&md5=47c77705d7dae8c4a02261d4d14e599c
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Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/10628
Appears in Collections:科学计划与规划
气候变化与战略

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Affiliation: Laboratory of Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States

Recommended Citation:
Wilder F.D.,Ergun R.E.,Goodrich K.A.,et al. Observations of whistler mode waves with nonlinear parallel electric fields near the dayside magnetic reconnection separatrix by the Magnetospheric Multiscale mission[J]. Geophysical Research Letters,2016-01-01,43(12).
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