A fundamental mechanism of solar eruption initiation | |
Jiang, Chaowei7; Feng, Xueshang7; Liu, Rui1,2; Yan XL(闫晓理)3; Hu, Qiang5,6; Moore, Ronald L.6; Duan, Aiying4; Cui, Jun4; Zuo, Pingbing7; Wang, Yi7 | |
刊名 | NATURE ASTRONOMY |
2021-07-12 | |
ISSN号 | 2397-3366 |
DOI | 10.1038/s41550-021-01414-z |
产权排序 | 第4完成单位 |
文献子类 | Article; Early Access |
英文摘要 | Fully three-dimensional magnetohydrodynamic simulations show that solar eruptions can be simply and efficiently initiated in a single bipolar configuration through photospheric shearing motion alone, without the need of any additional special topology. Solar eruptions are spectacular magnetic explosions in the Sun's corona, and how they are initiated remains unclear. Prevailing theories often rely on special magnetic topologies that may not generally exist in the pre-eruption source region of corona. Here, using fully three-dimensional magnetohydrodynamic simulations with high accuracy, we show that solar eruptions can be initiated in a single bipolar configuration with no additional special topology. Through photospheric shearing motion alone, an electric current sheet forms in the highly sheared core field of the magnetic arcade during its quasi-static evolution. Once magnetic reconnection sets in, the whole arcade is expelled impulsively, forming a fast-expanding twisted flux rope with a highly turbulent reconnecting region underneath. The simplicity and efficacy of this scenario argue strongly for its fundamental importance in the initiation of solar eruptions. |
学科主题 | 天文学 ; 太阳与太阳系 |
URL标识 | 查看原文 |
出版地 | HEIDELBERGER PLATZ 3, BERLIN, 14197, GERMANY |
资助项目 | National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[41822404] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[41731067] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[42030204] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[41861164026] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[41874202] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[41774150] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[11925302] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[11873087] ; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities[HIT.BRETIV.201901] ; Shenzhen Technology Project[JCYJ20190806142609035] ; Strategic Priority Program of the Chinese Academy of Sciences[XDB41030100] ; Strategic Priority Program of the Chinese Academy of Sciences[XDB41000000] ; Yunnan Science Foundation for Distinguished Young Scholars[202001AV070004] ; Yunnan Key Science Foundation of China[2018FA001] |
WOS关键词 | CORONAL MASS EJECTION ; MAGNETIC-FIELD ; FLUX ROPES ; FILAMENT ERUPTIONS ; RECONNECTION ; EVOLUTION ; MODEL ; ENERGY ; MOTION ; CME |
WOS研究方向 | Astronomy & Astrophysics |
语种 | 英语 |
出版者 | NATURE RESEARCH |
WOS记录号 | WOS:000672276300007 |
资助机构 | National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[41822404, 41731067, 42030204, 41861164026, 41874202, 41774150, 11925302, 11873087] ; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities[HIT.BRETIV.201901] ; Shenzhen Technology Project[JCYJ20190806142609035] ; Strategic Priority Program of the Chinese Academy of Sciences[XDB41030100, XDB41000000] ; Yunnan Science Foundation for Distinguished Young Scholars[202001AV070004] ; Yunnan Key Science Foundation of China[2018FA001] |
内容类型 | 期刊论文 |
版本 | 出版稿 |
源URL | [http://ir.ynao.ac.cn/handle/114a53/24452] |
专题 | 云南天文台_抚仙湖太阳观测站 |
通讯作者 | Jiang, Chaowei; Feng, Xueshang |
作者单位 | 1.Chinese Academy of Sciences Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei, China; 2.Chinese Academy of Sciences Center for Excellence in Comparative Planetology, University of Science and Technology of China, Hefei, China; 3.Yunnan Observatories, Chinese Academy of Sciences, Kunming, China; 4.School of Atmospheric Sciences, Sun Yat-sen University, Zhuhai, China 5.Department of Space Science, The University of Alabama in Huntsville, Huntsville, AL, USA; 6.Center for Space Plasma and Aeronomic Research, The University of Alabama in Huntsville, Huntsville, AL, USA; 7.Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China; |
推荐引用方式 GB/T 7714 | Jiang, Chaowei,Feng, Xueshang,Liu, Rui,et al. A fundamental mechanism of solar eruption initiation[J]. NATURE ASTRONOMY,2021. |
APA | Jiang, Chaowei.,Feng, Xueshang.,Liu, Rui.,Yan XL.,Hu, Qiang.,...&Wei, Fengsi.(2021).A fundamental mechanism of solar eruption initiation.NATURE ASTRONOMY. |
MLA | Jiang, Chaowei,et al."A fundamental mechanism of solar eruption initiation".NATURE ASTRONOMY (2021). |
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