Dissipative solitary kinetic Alfven wave and electron acceleration
文献类型：期刊论文
| 作者 | Wu, DJ
|
| 刊名 | PHYSICS OF PLASMAS
 |
| 出版日期 | 2003-05-01 |
| 卷号 | 10期号:5页码:1364-1370 |
| 关键词 | LOW-BETA-PLASMA FREJA SPACECRAFT SOLAR-FLARES SCALE IONOSPHERE SATELLITE MICROWAVE EXISTENCE |
| ISSN号 | 1070-664X |
| 英文摘要 | Some recent studies of observations in situ by space satellites show that low frequency electromagnetic fluctuations in the auroral ionosphere and magnetosphere can often be identified as soliatry kinetic Alfven waves (SKAWs), and further analyses of the data reveal clearly that electron collisional dissipation can considerably affect the structure and evolution of SKAWs. In this paper, a model of nonlinear kinetic Alfven waves, called a dissipative SKAW (DSKAW), is presented, in which the effect of electron collisional dissipation has been taken into account. The results show that DSKAW can produce a local shock-like structure with a net parallel electric potential drop, in which the associated parallel electric field is primarily caused by nonlinear electron inertia. In particular, it is argued that DSKAW can accelerate electrons efficiently to the order of the local Alfven velocity. This suggests that DSKAW can provide an efficient acceleration mechanism for energetic electrons, which can frequently be encountered in various space and cosmic plasma environments. (C) 2003 American Institute of Physics. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Fluids & Plasmas |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | LOW-BETA-PLASMA ; FREJA SPACECRAFT ; SOLAR-FLARES ; SCALE ; IONOSPHERE ; SATELLITE ; MICROWAVE ; EXISTENCE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000182450100023 |
| 公开日期 | 2012-08-08 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/4603]  |
| 专题 | 紫金山天文台_太阳和太阳系等离子体研究团组 |
| 作者单位 | 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China 2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, DJ. Dissipative solitary kinetic Alfven wave and electron acceleration[J]. PHYSICS OF PLASMAS,2003,10(5):1364-1370. |
| APA | Wu, DJ.(2003).Dissipative solitary kinetic Alfven wave and electron acceleration.PHYSICS OF PLASMAS,10(5),1364-1370. |
| MLA | Wu, DJ."Dissipative solitary kinetic Alfven wave and electron acceleration".PHYSICS OF PLASMAS 10.5(2003):1364-1370. |
入库方式： OAI收割
来源：紫金山天文台
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