Dynamics and waves near multiple magnetic null points in reconnection diffusion region
文献类型:期刊论文
作者 | Deng, X. H.1,2; Zhou, M.1; Li, S. Y.1; Baumjohann, W.3; Andre, M.4; Cornilleau, N.5; Santolik, O.6; Pontin, D. I.7; Reme, H.8; Lucek, E.9 |
刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
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出版日期 | 2009-07-16 |
卷号 | 114 |
英文摘要 | Identifying the magnetic structure in the region where the magnetic field lines break and how reconnection happens is crucial to improving our understanding of three-dimensional reconnection. Here we show the in situ observation of magnetic null structures in the diffusion region, the dynamics, and the associated waves. Possible spiral null pair has been identified near the diffusion region. There is a close relation among the null points, the bipolar signature of the Z component of the magnetic field, and enhancement of the flux of energetic electrons up to 100 keV. Near the null structures, whistler-mode waves were identified by both the polarity and the power law of the spectrum of electric and magnetic fields. It is found that the angle between the fans of the nulls is quite close to the theoretically estimated maximum value of the group-velocity cone angle for the whistler wave regime of reconnection. |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000268095200001 |
源URL | [http://ir.bao.ac.cn/handle/114a11/8348] ![]() |
专题 | 国家天文台_太阳物理研究部 |
作者单位 | 1.Wuhan Univ, Dept Space Phys, Wuhan 430072, Hubei, Peoples R China 2.Nanchang Univ, Inst Informat & Engn, Nanchang, Peoples R China 3.Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria 4.Swedish Inst Space Phys, Uppsala Div, S-75591 Uppsala, Sweden 5.Inst Pierre Simon Pl, Ctr Etud Environm Terr & Planetaires, F-78140 Velizy Villacoublay, France 6.Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic 7.Univ Dundee, Div Math, Dundee DD1 4HN, Scotland 8.CNRS, Ctr Etud Spatiale Rayonnements, F-31028 Toulouse, France 9.Univ London Imperial Coll Sci Technol & Med, Space & Atmospher Phys Grp, Blackett Lab, London SW7 2BZ, England 10.UCL, Mullard Space Sci Lab, London, England |
推荐引用方式 GB/T 7714 | Deng, X. H.,Zhou, M.,Li, S. Y.,et al. Dynamics and waves near multiple magnetic null points in reconnection diffusion region[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2009,114. |
APA | Deng, X. H..,Zhou, M..,Li, S. Y..,Baumjohann, W..,Andre, M..,...&Wang, J. F..(2009).Dynamics and waves near multiple magnetic null points in reconnection diffusion region.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,114. |
MLA | Deng, X. H.,et al."Dynamics and waves near multiple magnetic null points in reconnection diffusion region".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114(2009). |
入库方式: OAI收割
来源:国家天文台
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