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Polarization properties of low frequency electromagnetic cyclotron waves associated with magnetic clouds
Zhao, G. Q.1,2; Feng, H. Q.1; Wu, D. J.3; Huang, J.2
2018-03-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
Volume363Issue:3Pages:6
Abstract

Recent studies have revealed that there are a large number of low frequency electromagnetic cyclotron waves (ECWs) occurring in and around magnetic clouds (MCs) that are common magnetic structures in interplanetary space. Using magnetic field data from the STEREO spacecraft, this paper investigates polarization properties of ECWs associated with 120 MCs. Results show that the ECWs are highly transverse, strongly polarized waves with large ellipticities. Specifically, almost all of the waves take place with the ratios of transverse power to total power higher than 0.94, polarization degrees greater than 0.85, and ellipticities larger than 0.5. The mean values of these quantities can be up to 0.99, 0.96, 0.85, respectively. In particular, there is a tendency of ellipticities decreasing with respect to the wave normal angles for ECWs with left handed polarization. The decreasing tendency is consistent with the recent theory and simulation results.

KeywordSun: solar wind Waves Polarization
DOI10.1007/s10509-018-3271-8
WOS KeywordCORONAL MASS EJECTIONS ; SOLAR-WIND ; 1 AU ; DISTRIBUTIONS ; RECONNECTION ; SIGNATURES ; PLASMA ; SHOCK
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000426605200012
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22353
Collection中国科学院紫金山天文台
Corresponding AuthorZhao, G. Q.
Affiliation1.Luoyang Normal Univ, Inst Space Phys, Luoyang, Peoples R China
2.Natl Astron Observ, CAS Key Lab Solar Act, Beijing, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhao, G. Q.,Feng, H. Q.,Wu, D. J.,et al. Polarization properties of low frequency electromagnetic cyclotron waves associated with magnetic clouds[J]. ASTROPHYSICS AND SPACE SCIENCE,2018,363(3):6.
APA Zhao, G. Q.,Feng, H. Q.,Wu, D. J.,&Huang, J..(2018).Polarization properties of low frequency electromagnetic cyclotron waves associated with magnetic clouds.ASTROPHYSICS AND SPACE SCIENCE,363(3),6.
MLA Zhao, G. Q.,et al."Polarization properties of low frequency electromagnetic cyclotron waves associated with magnetic clouds".ASTROPHYSICS AND SPACE SCIENCE 363.3(2018):6.
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