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亚暴偶极化中近地磁尾质子的非绝热加速
  • ISSN号：0254-6124
  • 期刊名称：《空间科学学报》
  • 时间：0
  • 分类：P353[天文地球—空间物理学;天文地球—地球物理学]
  • 作者机构：[1]北京航空航天大学宇航学院
  • 相关基金：国家自然科学基金项目(40931054,41174141,40904042);国家重点基础研究发展计划项目(2011CB811404)共同资助
作者： 孟雪洁, 曹晋滨[1], 王铁砚, 马玉端[1]
关键词： 亚暴, 磁场偶极化, 非绝热加速
中文摘要：

亚暴偶极化过程中离子加速是亚暴粒子注入的重要产生机制.通过试验粒子的方法模拟研究了亚暴偶极化期间磁尾等离子体片-8R_e~-5R_e处超低频电磁波对质子的加速过程.研究表明,质子在大尺度偶极化电磁场的作用下向内磁层注入,与质子回旋频率相近的超低频电磁波能够引起低能质子发生非绝热加速.质子在偶极化前后的能量变化与质子的初始能量密切相关,初始能量远小于截止能量的质子,末能量要比初始能量显著增加,其值与扰动波频率相关,且量级与偶极化造成的低能氧离子能量增加量级基本相当;初始能量在截止能量以上的质子受超低频电磁波影响不大,注入过程能量基本保持不变.

同期刊论文项目
磁层亚暴物理现象时序和因果关系研究
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磁层亚暴粒子注入模型及注入电子与哨声模合声相互作用
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利用波矢滤波法对超低频空间等离子体波动的探测研究
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期刊信息
  • 《空间科学学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中科院空间中心
  • 主编：吴季
  • 地址：北京8701信箱
  • 邮编：100190
  • 邮箱：cjss@nssc.ac.cn
  • 电话：010-62582788
  • 国际标准刊号：ISSN：0254-6124
  • 国内统一刊号：ISSN：11-1783/V
  • 邮发代号:2-562
  • 获奖情况:
  • 核心期刊,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:3704