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准平行无碰撞激波上游能量粒子的观测研究

张伟娜 吴明雨 陆全明 单立灿 郝宇飞 高新亮 王水

张伟娜, 吴明雨, 陆全明, 单立灿, 郝宇飞, 高新亮, 王水. 准平行无碰撞激波上游能量粒子的观测研究[J]. 空间科学学报, 2014, 34(2): 137-142. doi: 10.11728/cjss2014.02.137
引用本文: 张伟娜, 吴明雨, 陆全明, 单立灿, 郝宇飞, 高新亮, 王水. 准平行无碰撞激波上游能量粒子的观测研究[J]. 空间科学学报, 2014, 34(2): 137-142. doi: 10.11728/cjss2014.02.137
Zhang Weina, Wu Mingyu, Lu Quanming, Shan Lican, Hao Yufei, Gao Xinliang, Wang Shui. Observations of energetic particles in the upstream of a quasi-parallel collisionless shock[J]. Journal of Space Science, 2014, 34(2): 137-142. doi: 10.11728/cjss2014.02.137
Citation: Zhang Weina, Wu Mingyu, Lu Quanming, Shan Lican, Hao Yufei, Gao Xinliang, Wang Shui. Observations of energetic particles in the upstream of a quasi-parallel collisionless shock[J]. Journal of Space Science, 2014, 34(2): 137-142. doi: 10.11728/cjss2014.02.137

准平行无碰撞激波上游能量粒子的观测研究

doi: 10.11728/cjss2014.02.137
基金项目: 国家自然科学基金项目(41174124,41274144,40931053)和国家重点基础研究发展计划项目(2012CB825602)共同资助
详细信息
    通讯作者:

    吴明雨,E-mail:wumy@mail.ustc.edu.cn

  • 中图分类号: P353

Observations of energetic particles in the upstream of a quasi-parallel collisionless shock

  • 摘要: 通过Cluster卫星在2005年3月16日观测到的一个准平行激波观测事例,研究了准平行激波上游低频等离子体波动与能量离子之间的关系.卫星观测结果表明,在准平行激波上游,离子微分能通量受到了非线性波动的调制.在磁场强度较小区域,离子微分能通量较高.产生这种现象的可能原因是准平行激波上游的非线性波动可以捕获离子,被捕获的离子在波动中来回弹跳并被电场加速,从而导致磁场强度较小区域离子微分能通量较高.这一观测结果与已有的混合模拟结果相吻合.

     

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出版历程
  • 收稿日期:  2013-04-01
  • 修回日期:  2013-08-13
  • 刊出日期:  2014-03-15

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