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Direct evidence for kinetic effects associated with solar wind reconnection
Xu, Xiaojun; Wang, Yi; Wei, Fengsi; Feng, Xueshang; Deng, Xiaohua; Ma, Yonghui; Zhou, Meng; Pang, Ye; Wong, Hon-Cheng; Xu, XJ (reprint author), Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Peoples R China.
Department空间科学部
Source PublicationSCIENTIFIC REPORTS
2015
Volume5Pages:8080
ISSN2045-2322
Language英语
AbstractKinetic effects resulting from the two-fluid physics play a crucial role in the fast collisionless reconnection, which is a process to explosively release massive energy stored in magnetic fields in space and astrophysical plasmas. In-situ observations in the Earth's magnetosphere provide solid consistence with theoretical models on the point that kinetic effects are required in the collisionless reconnection. However, all the observations associated with solar wind reconnection have been analyzed in the context of magnetohydrodynamics (MHD) although a lot of solar wind reconnection exhausts have been reported. Because of the absence of kinetic effects and substantial heating, whether the reconnections are still ongoing when they are detected in the solar wind remains unknown. Here, by dual-spacecraft observations, we report a solar wind reconnection with clear Hall magnetic fields. Its corresponding Alfvenic electron outflow jet, derived from the decouple between ions and electrons, is identified, showing direct evidence for kinetic effects that dominate the collisionless reconnection. The turbulence associated with the exhaust is a kind of background solar wind turbulence, implying that the reconnection generated turbulence has not much developed.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4641
Collection空间科学部
Corresponding AuthorXu, XJ (reprint author), Nanchang Univ, Inst Space Sci & Technol, Nanchang 330031, Peoples R China.
Recommended Citation
GB/T 7714
Xu, Xiaojun,Wang, Yi,Wei, Fengsi,et al. Direct evidence for kinetic effects associated with solar wind reconnection[J]. SCIENTIFIC REPORTS,2015,5:8080.
APA Xu, Xiaojun.,Wang, Yi.,Wei, Fengsi.,Feng, Xueshang.,Deng, Xiaohua.,...&Xu, XJ .(2015).Direct evidence for kinetic effects associated with solar wind reconnection.SCIENTIFIC REPORTS,5,8080.
MLA Xu, Xiaojun,et al."Direct evidence for kinetic effects associated with solar wind reconnection".SCIENTIFIC REPORTS 5(2015):8080.
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