曲率漂移不稳定性在活动星系核电子动力学中的作用
On the role of the curvature drift instability in the dynamics of electrons in active galactic nuclei
摘要：
研究了离心驱动的曲率漂移不稳定性（CDI）对活动星系核（AGN）磁层中相对论电子动力学的影响。我们推广了我们以前的工作，考虑相对论粒子具有不同的初始相位。考虑到欧拉方程、连续性方程和诱导方程，通过考虑共振条件，我们得到了CDI的增长率。我们表明，由于离心效应，旋转能量被有效地直接泵入漂移模式，导致产生的环形分量的磁场。结果，当粒子不经受任何力时，磁场线转变成这样的配置，并且由于不稳定性是离心驱动的，因此在该阶段CDI被悬浮。
英文摘要：
We study the influence of the centrifugally driven curvature drift instability (CDI) on the dynamics of relativistic electrons in the magnetospheres of active galactic nuclei (AGN). We generalize our previous work by considering relativistic particles with different initial phases. Considering the Euler, continuity, and induction equations, by taking into account the resonant conditions, we derive the growth rate of the CDI. We show that due to the centrifugal effects, the rotational energy is efficiently pumped directly into the drift modes, that leads to the generation of a toroidal component of the magnetic field. As a result, the magnetic field lines transform into such a configuration when particles do not experience any forces and since the instability is centrifugally driven, at this stage the CDI is suspended.
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