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Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind
He Jiansen; Zhu Xingyu; Chen Yajie; Chadi, Salem; Michael, Stevens; Hui, Li; Ruan Wenzhi; Lei, Zhang; Tu Chuanyi
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2018
Volume856Issue:2Pages:148
ISSN0004-637X
Language英语
KeywordMagnetic Reconnection Solar Wind Turbulence
AbstractThe magnetic reconnection exhaust is a pivotal region with enormous magnetic energy being continuously released and converted. The physical processes of energy conversion involved are so complicated that an all-round understanding based on in situ measurements is still lacking. We present the evidence of plasma heating by illustrating the broadening of proton and electron velocity distributions, which are extended mainly along the magnetic field, in an exhaust of interchange reconnection between two interplanetary magnetic flux tubes of the same polarity on the Sun. The exhaust is asymmetric across an interface, with both sides being bounded by a pair of compound discontinuities consisting of rotational discontinuity and slow shock. The energized plasmas are found to be firehose unstable, and responsible for the emanation of Alfven waves during the second step of energy conversion. It is realized that the energy conversion in the exhaust can be a two-step process involving both plasma energization and wave emission.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6238
Collection空间科学部
Corresponding AuthorHe Jiansen; Zhu Xingyu; Chen Yajie; Chadi, Salem; Michael, Stevens; Hui, Li; Ruan Wenzhi; Lei, Zhang; Tu Chuanyi
Recommended Citation
GB/T 7714
He Jiansen,Zhu Xingyu,Chen Yajie,et al. Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind[J]. ASTROPHYSICAL JOURNAL,2018,856(2):148.
APA He Jiansen.,Zhu Xingyu.,Chen Yajie.,Chadi, Salem.,Michael, Stevens.,...&Tu Chuanyi.(2018).Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind.ASTROPHYSICAL JOURNAL,856(2),148.
MLA He Jiansen,et al."Plasma Heating and Alfvenic Turbulence Enhancement During Two Steps of Energy Conversion in Magnetic Reconnection Exhaust Region of Solar Wind".ASTROPHYSICAL JOURNAL 856.2(2018):148.
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