| Effect of Kinetic Alfven Waves on Electron Transport in an Ion-Scale Flux Rope | |
| Tang, Bin-Bin; Li, Wen-Ya; Wang, Chi; Dai, Lei; Han, Jin-Peng | |
| 作者部门 | 空间科学部 |
| 发表期刊 | CHINESE PHYSICS LETTERS
 |
| 2018 | |
| 卷号 | 35期号:11页码:119401 |
| DOI | 10.1088/0256-307X/35/11/119401 |
| ISSN | 0256-307X |
| 语种 | 英语 |
| 摘要 | At the Earth's magnetopause, the electron transport due to kinetic Alfven waves (KAWs) is investigated in an ion-scale flux rope by the Magnetospheric Multiscale mission. Clear electron dropout around 90 degrees pitch angle is observed throughout the flux rope, where intense KAWs are identified. The KAWs can effectively trap electrons by the wave parallel electric field and the magnetic mirror force, allowing electrons to undergo Landau resonance and be transported into more field-aligned directions. The pitch angle range for the trapped electrons is estimated from the wave analysis, which is in good agreement with direct pitch angle measurements of the electron distributions. The newly formed beam-like electron distribution is unstable and excites whistler waves, as revealed in the observations. We suggest that KAWs could be responsible for the plasma depletion inside a flux rope by this transport process, and thus be responsible for the formation of a typical flux rope. |
| 收录类别 | SCI |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.nssc.ac.cn/handle/122/6602 |
| 专题 | 空间科学部 |
| 推荐引用方式 GB/T 7714 | Tang, Bin-Bin,Li, Wen-Ya,Wang, Chi,et al. Effect of Kinetic Alfven Waves on Electron Transport in an Ion-Scale Flux Rope[J]. CHINESE PHYSICS LETTERS,2018,35(11):119401. |
| APA | Tang, Bin-Bin,Li, Wen-Ya,Wang, Chi,Dai, Lei,&Han, Jin-Peng.(2018).Effect of Kinetic Alfven Waves on Electron Transport in an Ion-Scale Flux Rope.CHINESE PHYSICS LETTERS,35(11),119401. |
| MLA | Tang, Bin-Bin,et al."Effect of Kinetic Alfven Waves on Electron Transport in an Ion-Scale Flux Rope".CHINESE PHYSICS LETTERS 35.11(2018):119401. |
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| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
| 20183511119401.pdf（2661KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 请求全文 | |
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