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DOI: 10.1002/2016GL069035
论文题名:
Wave telescope technique for MMS magnetometer
作者: Narita Y.; Plaschke F.; Nakamura R.; Baumjohann W.; Magnes W.; Fischer D.; Vörös Z.; Torbert R.B.; Russell C.T.; Strangeway R.J.; Leinweber H.K.; Bromund K.R.; Anderson B.J.; Le G.; Chutter M.; Slavin J.A.; Kepko E.L.; Burch J.L.; Motschmann U.; Richter I.; Glassmeier K.-H.
刊名: Geophysical Research Letters
ISSN: 0094-9619
EISSN: 1944-9350
出版年: 2016
卷: 43, 期:10
起始页码: 4774
结束页码: 4780
语种: 英语
英文关键词: dispersion relation ; magnetosheath ; turbulence ; wave vectors
Scopus关键词: Dispersions ; Magnetic fields ; Magnetosphere ; Quantum theory ; Telescopes ; Turbulence ; Dispersion relations ; Low-frequency dispersions ; Magnetic field fluctuations ; Magnetosheaths ; Magnetospheric multi scale ; Mean magnetic field ; Multipoint measurement ; Wave vector ; Dispersion (waves) ; diagram ; dispersion ; magnetic field ; magnetometer ; measurement method ; spacecraft ; turbulence ; wave field
英文摘要: Multipoint measurements are a powerful method in studying wavefields in space plasmas. The wave telescope technique is tested against magnetic field fluctuations in the terrestrial magnetosheath measured by the four Magnetospheric Multiscale (MMS) spacecraft on a spatial scale of about 20 km. The dispersion relation diagram and the wave vector distribution are determined for the first time in the ion-kinetic range. Moreover, the dispersion relation diagram is determined in a proxy plasma rest frame by regarding the low-frequency dispersion relation as a Doppler relation and compensating for the apparent phase velocity. Fluctuations are highly compressible, and the wave vectors have an angle of about 60° from the mean magnetic field. We interpret that the measured fluctuations represent a kinetic-drift mirror mode in the magnetosheath which is dispersive and in a turbulent state accompanied by a sideband formation. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84971219429&doi=10.1002%2f2016GL069035&partnerID=40&md5=3f2123bfe4e934550187448a0bc8b0c2
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10582
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Space Research Institute, Austrian Academy of Sciences, Graz, Austria

Recommended Citation:
Narita Y.,Plaschke F.,Nakamura R.,et al. Wave telescope technique for MMS magnetometer[J]. Geophysical Research Letters,2016-01-01,43(10).
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