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Explaining fast ejections of plasma and exotic X-ray emission from the solar corona
Ilia I. Roussev1,2; Galsgaard, K3; Downs, C4; Lugaz, N5; Sokolov, IV6; Moise, E7; Lin J(林隽)1; Roussev, II (reprint author), Chinese Acad Sci, Yunnan Astron Observ, POB 110, Kunming 650011, Yunnan, Peoples R China.
发表期刊NATURE PHYSICS
2012-11
卷号8期号:11页码:845-849
DOI10.1038/NPHYS2427
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收录类别SCI
摘要Coronal mass ejections (CMEs) are the most energetic events in the solar system and can make near-Earth space a hazardous place. However, there is still no consensus as to what physical mechanisms are responsible for these solar eruptions. Here we demonstrate a fundamental connection between the emergence of magnetic flux into the solar atmosphere and the formation of solar eruptions. We present a model of the dynamics of the solar atmosphere and inner solar wind region using a realistic representation of the electric field at the photosphere, calculated from flux-emergence computer simulations, as the boundary conditions. From this, we show how magnetic flux and helicity injection leads to the reorganization of the solar corona. We show evidence for the in situ formation of a CME plasmoid, which is independent of the emerging flux tube, and we conclusively connect this process to the formation of a hot X-ray structure.
项目资助者CAS at the YNAO [2011T2J01] ; NSF at the IfA [ATM-0639335] ; NSF [AGS-1239704]
语种英语
学科领域Physics
文章类型Article
ISSN1745-2473
URL查看原文
归档日期2012-11-09
WOS记录号WOS:000310836700025
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
关键词[WOS]MAGNETIC-FLUX TUBES ; MASS EJECTIONS ; 3-DIMENSIONAL EVOLUTION ; DRIVEN EVOLUTION ; CONVECTION ZONE ; MODEL ; EMERGENCE ; ROPES ; RECONNECTION ; INITIATION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6188
专题太阳物理研究组
通讯作者Roussev, II (reprint author), Chinese Acad Sci, Yunnan Astron Observ, POB 110, Kunming 650011, Yunnan, Peoples R China.
作者单位1.Yunnan Astronomical Observatory, Chinese Academy of Sciences, PO Box 110, Kunming 650011, Yunnan, China
2.Institute for Astronomy, University of Hawai’i at Mānoa, 2680 Woodlawn Drive, Honolulu, Hawaii 96822, USA
3.Niels Bohr Institute, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
4.Predictive Science, Inc., 9990 Mesa Rim Road, Suite 170, San Diego, California 92121, USA
5.Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Morse Hall, 8 College Road, Durham, New Hampshire 03824, USA
6.Department of AOSS, University of Michigan, 2455 Hayward Street, Ann Arbor, Michigan 48109, USA
7.Institute of Geodynamics of the Romanian Academy, 19-21 Jean-Louis Calderon Street, Bucharest RO-020032, Romania
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Ilia I. Roussev,Galsgaard, K,Downs, C,et al. Explaining fast ejections of plasma and exotic X-ray emission from the solar corona[J]. NATURE PHYSICS,2012,8(11):845-849.
APA Ilia I. Roussev.,Galsgaard, K.,Downs, C.,Lugaz, N.,Sokolov, IV.,...&Roussev, II .(2012).Explaining fast ejections of plasma and exotic X-ray emission from the solar corona.NATURE PHYSICS,8(11),845-849.
MLA Ilia I. Roussev,et al."Explaining fast ejections of plasma and exotic X-ray emission from the solar corona".NATURE PHYSICS 8.11(2012):845-849.
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