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GLOBAL EXPLICIT PARTICLE-IN-CELL SIMULATIONS OF THE NONSTATIONARY BOW SHOCK AND MAGNETOSPHERE
Zhongwei Yang; Can Huang; Ying D. Liu; George K. Parks; Rui Wang; Quanming Lu; Huidong Hu
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
2016
Volume225Issue:1Pages:L13
Language英语
AbstractWe carry out two-dimensional global particle-in-cell simulations of the interaction between the solar wind and a dipole field to study the formation of the bow shock and magnetosphere. A self-reforming bow shock ahead of a dipole field is presented by using relatively high temporal-spatial resolutions. We find that (1) the bow shock and the magnetosphere are formed and reach a quasi-stable state after several ion cyclotron periods, and (2) under the B z southward solar wind condition, the bow shock undergoes a self-reformation for low β i and high M A . Simultaneously, a magnetic reconnection in the magnetotail is found. For high β i and low M A , the shock becomes quasi-stationary, and the magnetotail reconnection disappears. In addition, (3) the magnetopause deflects the magnetosheath plasmas. The sheath particles injected at the quasi-perpendicular region of the bow shock can be convected downstream of an oblique shock region. A fraction of these sheath particles can leak out from the magnetosheath at the wings of the bow shock. Hence, the downstream situation is more complicated than that for a planar shock produced in local simulations.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5553
Collection空间科学部
Recommended Citation
GB/T 7714
Zhongwei Yang,Can Huang,Ying D. Liu,et al. GLOBAL EXPLICIT PARTICLE-IN-CELL SIMULATIONS OF THE NONSTATIONARY BOW SHOCK AND MAGNETOSPHERE[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2016,225(1):L13.
APA Zhongwei Yang.,Can Huang.,Ying D. Liu.,George K. Parks.,Rui Wang.,...&Huidong Hu.(2016).GLOBAL EXPLICIT PARTICLE-IN-CELL SIMULATIONS OF THE NONSTATIONARY BOW SHOCK AND MAGNETOSPHERE.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,225(1),L13.
MLA Zhongwei Yang,et al."GLOBAL EXPLICIT PARTICLE-IN-CELL SIMULATIONS OF THE NONSTATIONARY BOW SHOCK AND MAGNETOSPHERE".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 225.1(2016):L13.
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