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Plasmoids in reconnecting current sheets: Solar and terrestrial contexts compared
Lin J(林隽)1,2; Cranmer, SR2; Farrugia, CJ3; Lin, J (reprint author), Chinese Acad Sci, Natl Astron Observ China, Yunnan Astron Observ, POB 110, Kunming 650011, Yunnan, Peoples R China.
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2008-11-29
卷号113期号:A11
DOI10.1029/2008JA013409
产权排序第1完成单位
收录类别SCI
摘要Magnetic reconnection plays a crucial role in violent energy conversion occurring in the environments of high electrical conductivity, such as the solar atmosphere, magnetosphere, and fusion devices. We focus on the morphological features of the process in two different environments, the solar atmosphere and the geomagnetic tail. In addition to indirect evidence that indicates reconnection in progress or having just taken place, such as auroral manifestations in the magnetosphere and the flare loop system in the solar atmosphere, more direct evidence of reconnection in the solar and terrestrial environments is being collected. Such evidence includes the reconnection inflow near the reconnecting current sheet and the outflow along the sheet characterized by a sequence of plasmoids. Both turbulent and unsteady Petschek-type reconnection processes could account for the observations. We also discuss other relevant observational consequences of both mechanisms in these two settings. While on face value, these are two completely different physical environments, there emerge many commonalities, for example, an Alfven speed of the same order of magnitude, a key parameter determining the reconnection rate. This comparative study is meant as a contribution to current efforts aimed at isolating similarities in processes occurring in very different contexts in the heliosphere and even in the universe.
项目资助者Ministry of Science and Technology of China(2006CB806303) ; National Natural Science Foundation of China(40636031) ; Chinese Academy of Sciences(KJCX2-YW-T04) ; NASA(NNX07AL72G, NNG04GE77G, NNX08AD11G, NNG05GC75G, NNG06GDD41G)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0148-0227
URL查看原文
归档日期2008-12-02
WOS记录号WOS:000261247600003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTIONS ; SLOW-MODE SHOCKS ; INTERPLANETARY MAGNETIC CLOUD ; TRAVELING COMPRESSION REGIONS ; PETSCHEK-TYPE RECONNECTION ; 3-DIMENSIONAL FLUX ROPES ; X-LINE RECONNECTION ; 2002 JULY 23 ; MAGNETOHYDRODYNAMIC TURBULENCE ; EARTHS MAGNETOPAUSE
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被引频次:38[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6118
专题太阳物理研究组
通讯作者Lin, J (reprint author), Chinese Acad Sci, Natl Astron Observ China, Yunnan Astron Observ, POB 110, Kunming 650011, Yunnan, Peoples R China.
作者单位1.Yunnan Astronomical Observatory, National Astronomical Observatories of China, Chinese Academy of Sciences, Kunming, Yunnan, China
2.Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts, USA
3.Institute for the Study of Earth, Ocean, and Space, University of New Hampshire, USA
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Lin J,Cranmer, SR,Farrugia, CJ,et al. Plasmoids in reconnecting current sheets: Solar and terrestrial contexts compared[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2008,113(A11).
APA Lin J,Cranmer, SR,Farrugia, CJ,&Lin, J .(2008).Plasmoids in reconnecting current sheets: Solar and terrestrial contexts compared.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,113(A11).
MLA Lin J,et al."Plasmoids in reconnecting current sheets: Solar and terrestrial contexts compared".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113.A11(2008).
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