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Corotating Magnetic Reconnection Site in Saturn's Magnetosphere

文献类型：期刊论文

作者Yao, Z. H.1,2; Coates, A. J.1,3; Ray, L. C.1,4; Rae, I. J.1; Grodent, D.2; Jones, G. H.1,3; Dougherty, M. K.5; Owen, C. J.1; Guo, R. L.6; Dunn, W. R.1,3
刊名ASTROPHYSICAL JOURNAL LETTERS
出版日期2017-09-10
卷号846期号:2
ISSN号2041-8205
关键词acceleration of particles magnetic fields magnetic reconnection plasmas
DOI10.3847/2041-8213/aa88af
文献子类Article
英文摘要Using measurements from the Cassini spacecraft in Saturn's magnetosphere, we propose a 3D physical picture of a corotating reconnection site, which can only be driven by an internally generated source. Our results demonstrate that the corotating magnetic reconnection can drive an expansion of the current sheet in Saturn's magnetosphere and, consequently, can produce Fermi acceleration of electrons. This reconnection site lasted for longer than one of Saturn's rotation period. The long-lasting and corotating natures of the magnetic reconnection site at Saturn suggest fundamentally different roles of magnetic reconnection in driving magnetospheric dynamics (e.g., the auroral precipitation) from the Earth. Our corotating reconnection picture could also potentially shed light on the fast rotating magnetized plasma environments in the solar system and beyond.
WOS关键词DIPOLARIZING FLUX BUNDLES ; FIELD ; MAGNETOTAIL ; PLASMOIDS ; SUBSTORM
WOS研究方向Astronomy & Astrophysics
语种英语
出版者IOP PUBLISHING LTD
WOS记录号WOS:000409526200002
资助机构UK Science and Technology Facilities Council (STFC) grant at UCL/MSSL(ST/L005638/1) ; European Union ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; 41404117) ; UK Science and Technology Facilities Council (STFC) grant at UCL/MSSL(ST/L005638/1) ; European Union ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; 41404117) ; UK Science and Technology Facilities Council (STFC) grant at UCL/MSSL(ST/L005638/1) ; European Union ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; 41404117) ; UK Science and Technology Facilities Council (STFC) grant at UCL/MSSL(ST/L005638/1) ; European Union ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; 41404117)
源URL[http://ir.iggcas.ac.cn/handle/132A11/61879]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Yao, Z. H.
作者单位1.UCL, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England
2.Univ Liege, STAR Inst, Lab Phys Atmospher & Planetaire, B-4000 Liege, Belgium
3.UCL Birkbeck, Ctr Planetary Sci, Gower St, London WC1E 6BT, England
4.Univ Lancaster, Dept Phys, Lancaster, England
5.Imperial Coll Sci Technol & Med, Space & Atmospher Phys Grp, Dept Phys, London SW7 2BW, England
6.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
7.Peking Univ, Sch Earth & Space Sci, Beijing, Peoples R China
8.Southwest Res Inst, San Antonio, TX USA
推荐引用方式
GB/T 7714		 Yao, Z. H.,Coates, A. J.,Ray, L. C.,et al. Corotating Magnetic Reconnection Site in Saturn's Magnetosphere[J]. ASTROPHYSICAL JOURNAL LETTERS,2017,846(2).
APA Yao, Z. H..,Coates, A. J..,Ray, L. C..,Rae, I. J..,Grodent, D..,...&Gerard, J. -C..(2017).Corotating Magnetic Reconnection Site in Saturn's Magnetosphere.ASTROPHYSICAL JOURNAL LETTERS,846(2).
MLA Yao, Z. H.,et al."Corotating Magnetic Reconnection Site in Saturn's Magnetosphere".ASTROPHYSICAL JOURNAL LETTERS 846.2(2017).

入库方式： OAI收割

来源：地质与地球物理研究所

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