Particle-in-Cell Simulations of Fast Magnetic Reconnection in Laser-Plasma Interaction

被引：4
|
作者：
Zhang Ze-Chen [1 ]
Lu Quan-Ming [1 ]
Dong Quan-Li [2 ]
Lu San [1 ]
Huang Can [1 ]
Wu Ming-Yu [1 ]
Sheng Zheng-Ming [3 ,4 ]
Wang Shui [1 ]
Zhang Jie [3 ,4 ]
机构：
[1] Univ Sci & Technol China, CAS Key Lab Geosci Environm, Hefei 230026, Peoples R China
[2] Ludong Univ, Sch Phys & Optoelect Engn, Yantai 264025, Peoples R China
[3] Shanghai Jiao Tong Univ, Key Lab Laser Plasmas MoE, Shanghai 200240, Peoples R China
[4] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2013年 / 30卷 / 04期
基金：
中国国家自然科学基金;
关键词：
X-RAY SOURCE; MAGNETOTAIL; CHALLENGE; DYNAMICS; FLARES; MODEL;
D O I：
10.1088/0256-307X/30/4/045201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recent experiments have observed magnetic reconnection in laser-produced high-energy-density (HED) plasma bubbles. We perform two-dimensional (2-D) particle-in-cell (PIC) simulations to investigate magnetic reconnection between two approaching HED plasma bubbles. It is found that the expanding velocity of the bubbles has a great influence on the process of magnetic reconnection. When the expanding velocity is small, a single X line reconnection is formed. However, when the expanding velocity is sufficiently large, we can observe a plasmoid in the vicinity of the X line. At the same time, the structures of the electromagnetic field in HED plasma reconnection are similar to that in Harris current sheet reconnection.
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页数：4
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