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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Reconnection rates and X line motion at themagnetopause: Global 2D-3V hybrid-Vlasov simulation results
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Reconnection rates and X line motion at themagnetopause: Global 2D-3V hybrid-Vlasov simulation results

机译：重联率和X线运动themagnetopause:全球2 d-3v hybrid-Vlasov仿真结果

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摘要

We present results from a first study of the local reconnection rate and reconnection site motion in a 2D-3V global magnetospheric self-consistent hybrid-Vlasov simulation with due southward interplanetary magnetic field. We observe magnetic reconnection at multiple locations at the dayside magnetopause and the existence of magnetic islands, which are the 2-D representations of flux transfer events. The reconnection locations (the X lines) propagate over significant distances along the magnetopause, and reconnection does not reach a steady state. We calculate the reconnection rate at the location of the X lines and find a good correlation with an analytical model of local 2-D asymmetric reconnection. We find that despite the solar wind conditions being constant, the reconnection rate and location of the X lines are highly variable. These variations are caused by magnetosheath fluctuations, the effects of neighboring X lines, and the motion of passing magnetic islands.
机译：我们从当地的第一项研究结果重联率和重新连接站点运动2 d-3v全球磁性层的自洽hybrid-Vlasov模拟与向南行星际磁场。在多个位置磁场重联昼磁层的存在磁岛,这是二维的通量传输事件的表征。重新连接位置(X线)传播在重要的距离沿磁层,重新连接并没有达成稳定状态。在X线的位置,找到一个好的相关的当地二维分析模型不对称的重新连接。太阳风条件不变,重新连接速度和位置的X线高度可变。磁鞘波动的影响邻近的X线,和运动的传递磁岛。

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