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Acceleration and Pickup Ring of Energetic Electrons Observed in Relativistic Magnetic Reconnection Simulations
Ping,Y. L.1,2; Zhong,J. Y.2,3; Wang,X. G.4; Sheng,Z. M.3,5,6; Zhao,G.1
2017-11-08
Source PublicationThe Astrophysical Journal
ISSN0004-637X
Volume849Issue:2
AbstractAbstract Pickup ring of energetic electrons found in relativistic magnetic reconnection (MR) driven by two relativistic intense femtosecond laser pulses is investigated by particle simulation in 3D geometry. Magnetic reconnection processes and configurations are characterized by plasma current density distributions at different axial positions. Two helical structures associated with the circular polarization of laser pulses break down in the reconnection processes to form a current sheet between them, where energetic electrons are found to pile up and the outflow relativistic electron jets are observed. In the field line diffusion region, electrons are accelerated to multi-MeV with a flatter power-law spectrum due to MR. The development of the pickup ring of energetic electrons is strongly dependent upon laser peak intensities.
Keywordacceleration of particles magnetic reconnection methods: numerical plasmas relativistic processes
DOI10.3847/1538-4357/aa8f4d
Language英语
WOS IDIOP:0004-637X-849-2-aa8f4d
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/20207
Collection光学天文研究部
Affiliation1.Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China; ylping@bao.ac.cn, gzhao@bao.ac.cn
2.Department of Astronomy, Beijing Normal University, Beijing 100875, China; jyzhong@bnu.edu.cn
3.MOE Key Laboratory for Laser Plasmas and Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
4.Department of Physics, Harbin Institute of Technology, Harbin 150001, China
5.School of Physics and Astronomy and Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 200240, China
6.Department of Physics, SUPA, University of Strathclyde, Glasgow G4 0NG, UK
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ping,Y. L.,Zhong,J. Y.,Wang,X. G.,et al. Acceleration and Pickup Ring of Energetic Electrons Observed in Relativistic Magnetic Reconnection Simulations[J]. The Astrophysical Journal,2017,849(2).
APA Ping,Y. L.,Zhong,J. Y.,Wang,X. G.,Sheng,Z. M.,&Zhao,G..(2017).Acceleration and Pickup Ring of Energetic Electrons Observed in Relativistic Magnetic Reconnection Simulations.The Astrophysical Journal,849(2).
MLA Ping,Y. L.,et al."Acceleration and Pickup Ring of Energetic Electrons Observed in Relativistic Magnetic Reconnection Simulations".The Astrophysical Journal 849.2(2017).
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