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Dissipation of an electron phase-space hole and its consequence on electron heating
Wu, Mingyu; Lu, Quanming; Huang, Can; Wang, Peiran; Wang, Rongsheng; Wang, Shui; Lu, QM (reprint author), Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Anhui, Peoples R China.
Department空间科学部
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2014
Volume352Issue:2Pages:565-570
ISSN0004-640X
Language英语
KeywordElectron Phase-space Hole Electron Heating Transverse Instability Dissipation
AbstractAn electron phase-space hole (electron hole) is considered to be unstable to the transverse instability. In this paper, two-dimensional (2D) electrostatic particle-in-cell (PIC) simulations are used to explore the dissipation process of a one-dimensional (1D) electron hole in a weakly magnetized plasma and its consequence on electron heating, which consists of two stages. In the first stage, the electron hole is still kept as a quasi-1D structure, however, with the excitation of the transverse instability and the generation of the perpendicular electric field, the electrons are scattered and then heated along the perpendicular direction in the electron hole. In the second stage, the quasi-1D electron hole is broken into several 2D electron holes. The temperature of the electrons outside of these 2D electron holes also increase, and at last the velocity distribution of the electrons become almost isotropic in the whole simulation domain. Our results provide a new dissipation mechanism of an electron hole.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4491
Collection空间科学部
Corresponding AuthorLu, QM (reprint author), Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Anhui, Peoples R China.
Recommended Citation
GB/T 7714
Wu, Mingyu,Lu, Quanming,Huang, Can,et al. Dissipation of an electron phase-space hole and its consequence on electron heating[J]. ASTROPHYSICS AND SPACE SCIENCE,2014,352(2):565-570.
APA Wu, Mingyu.,Lu, Quanming.,Huang, Can.,Wang, Peiran.,Wang, Rongsheng.,...&Lu, QM .(2014).Dissipation of an electron phase-space hole and its consequence on electron heating.ASTROPHYSICS AND SPACE SCIENCE,352(2),565-570.
MLA Wu, Mingyu,et al."Dissipation of an electron phase-space hole and its consequence on electron heating".ASTROPHYSICS AND SPACE SCIENCE 352.2(2014):565-570.
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