论文标题
具有横向电场的均匀磁化等离子体的敏感性张量和平行于磁场传播的电磁波
The susceptibility tensor of a uniform magnetized plasma with a transverse electric field and the electromagnetic waves propagating parallel to the magnetic field
论文作者
论文摘要
在天然和实验室磁化等离子体中，可能存在于背景磁场的平衡电场。在这种情况下，所有等离子体物种都会经历常见的漂移，而不受干扰的分布功能在速度空间中具有共同的变化。在这项工作中，使用常用的沿未受干扰的轨迹的集成方法，首先在实验室框架中得出易感性张量。然后采用Lorentz转换方法来验证结果。作为应用，我们对简单电子以及单个带电的离子等离子体平行于背景磁场的波浪进行分析。如果存在横向平衡电场，则定性的新现象是在等离子体Langmuir频率处的共振的出现。
In natural and laboratory magnetized plasmas, an equilibrium electric field may exist perpendicular to the background magnetic field. In such a situation all the plasma species experience a common drift and the unperturbed distribution functions have a common shift in velocity space. In this work the susceptibility tensor is first derived in the laboratory frame for such a situation using the commonly used method of integration along unperturbed trajectory. Then the Lorentz transformation method is adopted to verify the results. As an application we give an analysis of the waves propagating parallel to the background magnetic field for a simple electron plus single charged ion plasma. A qualitative new phenomenon is the appearance of a resonance at the plasma Langmuir frequency if a transverse equilibrium electric field is present.
