论文标题

极光射线辐射和电子配对

Auroral kilometric radiation and electron pairing

论文作者

Treumann, R. A., Baumjohann, Wolfgang

论文摘要

我们建议,靠近镜点的极光向上区域中弹跳的中能电子的配对可能在驱动电子回旋体摩泽晶的不稳定性中发挥作用,以在极光摩尔辐射中产生一个逃逸的窄带细胞良好的结构。我们在陀螺仪近似中处理这种机制,以使用弱相对论的狄拉克分布的极端情况,而不是更现实的各向异性jüttner分布。给出了带宽,频率漂移和空间位置的有希望的估计值。

We suggest that pairing of bouncing medium-energy electrons in the auroral upward current region close to the mirror points may play a role in driving the electron cyclotron maser instability to generate an escaping narrow band fine structure in the auroral kilometric radiation. We treat this mechanism in the gyrotron approximation, for simplicity using the extreme case of a weakly relativistic Dirac distribution instead the more realistic anisotropic Jüttner distribution. Promising estimates of bandwidth, frequency drift and spatial location are given.

扫码加入交流群

加入微信交流群

微信交流群二维码

扫码加入学术交流群,获取更多资源