国家自然科学基金(40725013)

作品数：6被引量：21H指数：3
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相关作者：郭俊杨忠炜王水陆全明更多>>
相关机构：青岛科技大学中国科学技术大学中国科学院更多>>
相关期刊：《地球物理学报》《Science Bulletin》《科学通报》更多>>
相关主题：磁场重联电子动力学电子密度电子流磁重联更多>>
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Electron dynamics in collisionless magnetic reconnection被引量：9
《Chinese Science Bulletin》2011年第12期1174-1181,共8页LU QuanMing WANG RongSheng XIE JinLin HUANG Can LU San WANG Shui 
supported by the National Natural Science Foundation of China (40725013, 40974081 and 40931053);the Chinese Academy of Sciences (KJCX2-YW-N28);the Ocean Public Welfare Scientific Research Project, State Oceanic Administration of China (201005017)
Magnetic reconnection provides a physical mechanism for fast energy conversion from magnetic energy to plasma kinetic energy. It is closely associated with many explosive phenomena in space plasma, usually collisionle...
关键词：电子动力学 磁重联 碰撞 空间等离子体 磁场能量 磁场重联 电场加速 能量转换 
The effects of the guide field on the structures of electron density depletions in collisionless magnetic reconnection被引量：9
《Chinese Science Bulletin》2011年第1期48-52,共5页LU San LU QuanMing CAO Yang HUANG Can XIE JinLin WANG Shui 
supported by the Chinese Academy of Sciences (KJCX2-YW-N28);the National Natural Science Foundation of China (40725013,40974081 and 40931053);the Specialized Research Fund for State Key Laboratories;the Fundamental Researd Funds for the Central Universities (WK20800000010)
Two-dimensional particle-in-cell simulations are performed to investigate the formation of electron density depletions in collisionless magnetic reconnection.In anti-parallel reconnection,the quadrupole structures of ...
关键词：磁场重联 电子密度 无碰撞 结构 模拟分析 耗尽层 电子流 平行 
Electron density hole and quadruple structure of B_y during collisionless magnetic reconnection被引量：5
《Chinese Science Bulletin》2010年第8期718-722,共5页HUANG Can WANG RongSheng LU QuanMing WANG Shui 
supported by the Knowledge Innovation Project of Chinese Academy of Sciences (Grant No.KJCX2-YW-N28);National Natural Science Foundation of China (Grant Nos.40674093,40725013 and 40874075);Specialized Research Fund for State Key Laboratories
In collisionless reconnection,the magnetic field near the separatrix is stronger than that around the X-line,so an electron-beam can be formed and flows toward the X-line,which leads to a decrease of the electron dens...
关键词：磁场重联 电子密度 无碰撞 孔结构 分界线 电子束 电子流 磁力线 
Electron dynamics in collisionless magnetic reconnection with a PIC simulation
《Chinese Science Bulletin》2009年第3期456-460,共5页GUO Jun1,2 1 School of Mathematics and Physics, Qingdao University of Science and Technology, Qingdao 266042, China 2 State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100080, China 
Supported by National Natural Science Foundation of China (Grant No. 40725013);Open Research Program Foundation of State Key Laboratory for Space Weather, Chinese Academy Sciences
Two-dimensional particle-in-cell (PIC) simulation is used to investigate electron dynamics in colli- sionless magnetic reconnection, and the proton/electron mass ratio is taken to be mi /me = 256. The results show tha...
关键词：PIC模仿 磁链接 导向场 电子动力学 
无碰撞磁场重联中电子动力学的粒子模拟
《科学通报》2009年第4期500-504,共5页郭俊 
国家自然科学基金(批准号:40725013);中国科学院空间天气学国家重点实验室开放研究基金资助项目
采用二维全粒子模拟方法研究了存在初始引导场情况下的无碰撞磁场重联中电子的动力学特征,在计算中采用的质子电子质量比为mi/me=256.结果表明,初始强引导场的存在将会改变电子的流向,在沿着分离线的电子入流区出现了电子密度空洞和平...
关键词：无碰撞磁场重联 粒子模拟 引导场 电子动力学 质量比 
垂直无碰撞激波的离子加速机制被引量：3
《地球物理学报》2008年第4期953-959,共7页杨忠炜 陆全明 郭俊 王水 
国家自然科学基金项目(40725013，40674093，40574063)资助．
利用一维全粒子模拟得到的垂直无碰撞激波的位形,通过试验粒子方法研究了不同初始能量粒子的激波加速机制.将与激波相互作用的离子分成反射和直接穿过两类,发现只有被激波反射的离子可被激波明显加速,其中初始能量较小的反射离子通过激...
关键词：无碰撞激波 高能粒子 冲浪加速 漂移加速 
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