Triggering the Magnetopause Reconnection by Solar Wind Discontinuities

被引：2
作者：
Lukin, Alexander [1 ,2 ]
Guo, Zhifang [3 ,4 ]
Lin, Yu [4 ]
Panov, Evgeny [5 ]
Artemyev, Anton [1 ,6 ,7 ]
Zhang, Xiaojia [6 ,7 ,8 ]
Petrukovich, Anatoli [1 ]
机构：
[1] RAS, Space Res Inst, Moscow, Russia
[2] Natl Res Univ Higher Sch Econ, Fac Phys, Moscow, Russia
[3] China Univ Geosci, Sch Geophys & Informat Technol, Beijing, Peoples R China
[4] Auburn Univ, Auburn, AL USA
[5] Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria
[6] Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA USA
[7] Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA USA
[8] Univ Texas Dallas, Dept Phys, Richardson, TX USA
来源：
ASTROPHYSICAL JOURNAL | 2024年 / 963卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
GAMMA-RAY FLARES; INTERPLANETARY ROTATIONAL DISCONTINUITIES; GLOBAL HYBRID SIMULATION; NONLINEAR ALFVEN WAVES; HOT FLOW ANOMALIES; MAGNETIC RECONNECTION; BOW SHOCK; TANGENTIAL DISCONTINUITIES; EARTHS MAGNETOPAUSE; PRESSURE PULSES;
D O I：
10.3847/1538-4357/ad1e63
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Magnetic reconnection is one of the most universal processes in space plasma that is responsible for charged particle acceleration and the mixing and heating of plasma populations. In this paper we consider a triggering process of reconnection that is driven by interaction of two discontinuities: solar wind rotational discontinuity and tangential discontinuity at Earth's magnetospheric boundary, the magnetopause. Combining multispacecraft measurements and global hybrid simulations, we show that solar wind discontinuities may drive the magnetopause reconnection and cause the mixing of the solar wind and magnetosphere plasmas around the magnetopause, well downstream of the solar wind flow. Since large-amplitude discontinuities are frequently observed in the solar wind and predicted for various stellar winds, our results of reconnection driven by the discontinuity-discontinuity interaction may have a broad application beyond the magnetosphere.
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页数：16
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