论文标题
类似粒子的天空与漏斗障碍物相互作用
Particle-like skyrmions interacting with a funnel obstacle
论文作者
论文摘要
在研究纳米结构中类似粒子的天空时，要考虑的天空基层相互作用是一个重要的问题，这可能会强烈影响天空动力学并导致复杂的动态现象。在这里，我们报告了类似粒子的天空的电流驱动的动态行为，与铁磁层中的漏斗障碍物相互作用。我们在计算上表明，由于排斥的天际符号 - 芬诺相互作用，可以使用具有增强垂直磁各向异性的漏斗障碍物来修改天际动力学，这可能会产生多种非平底效应，包括压缩，堵塞，堵塞，灭绝，灭绝，引导运动和捕获天空天空。还发现，漏斗障碍物可以将传入的天空流分成两个不对称流动。此外，我们表明可以以静态和动态方式捕获漏斗障碍物的天空。我们的结果对于理解与底物相互作用的Skyrmion动力学很有用，并且可以为控制传输通道中的天际流量提供指南。
The skyrmion-substrate interaction is an important issue to consider when studying particle-like skyrmions in nanostructures, which may strongly affect the skyrmion dynamics and lead to complex dynamic phenomena. Here, we report the current-driven dynamic behaviors of particle-like skyrmions interacting with the funnel obstacle in a ferromagnetic layer. We computationally demonstrate that a funnel obstacle with enhanced perpendicular magnetic anisotropy can be used to modify the dynamics of skyrmions due to the repulsive skyrmion-funnel interaction, which could generate several nontrivial effects, including the compression, clogging, annihilation, guided motion, and capturing of skyrmions. It is also found that the funnel obstacle can separate an incoming flow of skyrmions into two asymmetric flows. Moreover, we show that it is possible to capture skyrmions by the funnel obstacle in both static and dynamic ways. Our results are useful for understanding the skyrmion dynamics interacting with the substrate and could provide guidelines for the control of skyrmion flows in a transmission channel.
