论文标题

冷磁化等离子体中拓扑Langmuir-Cyclotron波的分散和传播

The dispersion and propagation of topological Langmuir-cyclotron waves in cold magnetized plasmas

论文作者

Fu, Yichen, Qin, Hong

论文摘要

拓扑Langmuir-cyclotron波(TLCW)是磁化等离子体中最近鉴定出的拓扑表面激发。我们表明,TLCW源自Langmuir波 - 环境波共振的拓扑相变。通过等音表面分析以及2D和3D时间依赖的模拟,我们证明了TLCW可以以单向方式沿复杂的相变界面沿复杂的相变界面进行稳健传播,而无需散射。由于这些理想的特征,可以将TLCW作为驱动磁化等离子体流动和流动的有效机制探索。该分析还建立了等离子体的新建立的拓扑相分类与等离子体波的经典CMA图之间的密切联系。

Topological Langmuir-Cyclotron Wave (TLCW) is a recently identified topological surface excitation in magnetized plasmas. We show that TLCW originates from the topological phase transition at the Langmuir wave-cyclotron wave resonance. By isofrequency surface analysis and 2D and 3D time-dependent simulations, we demonstrate that the TLCW can propagate robustly along complex phase transition interfaces in a unidirectional manner and without scattering. Because of these desirable features, the TLCW could be explored as an effective mechanism to drive current and flow in magnetized plasmas. The analysis also establishes a close connection between the newly instituted topological phase classification of plasmas and the classical CMA diagram of plasma waves.

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