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磁重联区Alfven波及新生离子的加速
Alternative TitleALFVEN WAVES IN THE MAGNETICRECONNECTION REGIONS AND THEACCELERATION OF NEWBORN IONS
汪学毅; 吴京生; 李毅; 王水; 赵寄昆; 曹晋滨; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication空间科学学报
2001
Volume21Issue:3Pages:208-218
ISSN0254-6124
Language中文
Keyword磁重联区 Alfven波 离子加速 磁场重联 空间天文学
Abstract利用二维混合数值模拟研究了有速度驱动、低等离子体β值情况下的磁场重联过程,结果表明磁重联过程可以产生Alfven波,该Alfven波动对重新区中的新生离子作用,使得新生离子经历投掷角散射方程,具有球壳分布特征,部分新生离子得到加速,其获得的最大能量约为4(miVA0^2/2),此加速过程所需的加速时间在100/Ωi量级,是一个极快的加速机制,加速粒子能谱为双幂律谱.
Other AbstractBy means of 2D-hybrid simulation code, magnetic driven reconnection in the low plasma case. Results show that the Alfven waves can he produced in the magnetic magnetic reconnection process. The newbom ions can be pitch anngle scattered by Alfven waves and have the shell distribution.some newborn ions are accelerated and the maximum energy is about 4mivao/2.the acceleration takes about 100/and is thus extrenemely mpioly acceleration process.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.nssc.ac.cn/handle/122/1343
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
汪学毅,吴京生,李毅,等. 磁重联区Alfven波及新生离子的加速[J]. 空间科学学报,2001,21(3):208-218.
APA 汪学毅.,吴京生.,李毅.,王水.,赵寄昆.,...&北京8701信箱.(2001).磁重联区Alfven波及新生离子的加速.空间科学学报,21(3),208-218.
MLA 汪学毅,et al."磁重联区Alfven波及新生离子的加速".空间科学学报 21.3(2001):208-218.
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