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高速太阳风中α粒子分布的形成
Alternative TitleFORMATION OF DISTRIBUTION OF a PARTICLES IN HIGH SPEED SOLAR WIND
汪学毅; 吴京生; 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
1998
Volume18Issue:4Pages:301-307
ISSN0254-6124
Language中文
KeywordAlfven波 混合模拟 α粒子分布 太阳风
Abstract以多级波粒相互作用模型和12/2维电磁混合模拟方法研究了高速太阳风中α粒子分布的形成机掉.认为α粒子从其产生区到1AU,经历4个特征区域;在冕洞下方的小尺度磁重联区,α粒子产生并得到加速,在约十几个太阳半径日冕区,α粒子形成球壳分布函数:在几十个太阳半径处,在Alfven波和温度各向异性不稳定性的作用下,α粒子分布函数演化为漂移Maxwell分布,当α粒子进入0.3-1AU时,Alfven波的作
Other AbstractIn this paper a multi-step model is suggested to explain the observed acceleration of a particles in the solar wind.The entire process starts in reconnection region in the lower coronal hole and continues in the interplanetary space down to 0.3 AU.It is proposes that the observed acceleration is attributed to the interaction between the a particles with intrinsic and excited ultra-low-frequency waves in the solar wind.
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
Identifierhttp://ir.nssc.ac.cn/handle/122/1365
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
汪学毅,吴京生,北京8701信箱. 高速太阳风中α粒子分布的形成[J]. 空间科学学报,1998,18(4):301-307.
APA 汪学毅,吴京生,&北京8701信箱.(1998).高速太阳风中α粒子分布的形成.空间科学学报,18(4),301-307.
MLA 汪学毅,et al."高速太阳风中α粒子分布的形成".空间科学学报 18.4(1998):301-307.
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