DOI: 10.1002/2016GL070033
论文题名: MMS observations of ion-scale magnetic island in the magnetosheath turbulent plasma
作者: Huang S.Y. ; Sahraoui F. ; Retino A. ; Le Contel O. ; Yuan Z.G. ; Chasapis A. ; Aunai N. ; Breuillard H. ; Deng X.H. ; Zhou M. ; Fu H.S. ; Pang Y. ; Wang D.D. ; Torbert R.B. ; Goodrich K.A. ; Ergun R.E. ; Khotyaintsev Y.V. ; Lindqvist P.-A. ; Russell C.T. ; Strangeway R.J. ; Magnes W. ; Bromund K. ; Leinweber H. ; Plaschke F. ; Anderson B.J. ; Pollock C.J. ; Giles B.L. ; Moore T.E. ; Burch J.L.
刊名: Geophysical Research Letters
ISSN: 0094-8801
EISSN: 1944-8532
出版年: 2016
卷: 43, 期: 15 起始页码: 7850
结束页码: 7858
语种: 英语
英文关键词: electron beams
; electrostatic solitary waves
; lower hybrid drift waves
; magnetic island
; magnetosheath
; multiscale coupling
Scopus关键词: Electron beams
; Electrons
; Electrostatics
; Ions
; Magnetic fields
; Magnetism
; Magnetosphere
; Plasma confinement
; Plasma turbulence
; Plasma waves
; Solitons
; Drift waves
; Electrostatic solitary waves
; Magnetic island
; Magnetosheaths
; Multiscale coupling
; Magnetoplasma
; electron density
; Landsat multispectral scanner
; magnetic field
; magnetosphere
; noise
; physics
; plasma
; solar radiation
英文摘要: In this letter, first observations of ion-scale magnetic island from the Magnetospheric Multiscale mission in the magnetosheath turbulent plasma are presented. The magnetic island is characterized by bipolar variation of magnetic fields with magnetic field compression, strong core field, density depletion, and strong currents dominated by the parallel component to the local magnetic field. The estimated size of magnetic island is about 8 di, where di is the ion inertial length. Distinct particle behaviors and wave activities inside and at the edges of the magnetic island are observed: parallel electron beam accompanied with electrostatic solitary waves and strong electromagnetic lower hybrid drift waves inside the magnetic island and bidirectional electron beams, whistler waves, weak electromagnetic lower hybrid drift waves, and strong broadband electrostatic noise at the edges of the magnetic island. Our observations demonstrate that highly dynamical, strong wave activities and electron-scale physics occur within ion-scale magnetic islands in the magnetosheath turbulent plasma. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84981349624&doi=10.1002%2f2016GL070033&partnerID=40&md5=aba4effaaa807607621f60731ed0ed08
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9764
Appears in Collections: 科学计划与规划 气候变化与战略
There are no files associated with this item.
作者单位: School of Electronic Information, Wuhan University, Wuhan, China
Recommended Citation:
Huang S.Y.,Sahraoui F.,Retino A.,et al. MMS observations of ion-scale magnetic island in the magnetosheath turbulent plasma[J]. Geophysical Research Letters,2016-01-01,43(15).