论文标题
天空晶体的动力敏感性
Dynamical susceptibility of Skyrmion crystal
论文作者
论文摘要
使用立体投影方法，我们开发了一种理论，用于计算Skyrmion晶体（SKX）的动力敏感性张量，该概念在具有Dzyaloshinskii-Moriya相互作用和外部磁场中形成的薄铁磁膜中形成。尽可能在分析框架内留下来，我们使用模型ANZAT进行静态SKX配置，并讨论周围的小波动。在均匀敏感性的重要情况下，可以在磁共振（MR）实验中访问所获得的公式。我们表明，除了在理论上和实验上都讨论过的三个特征MR频率外，还应期望在较高频率下的幅度较小的振幅产物。
Using stereographic projection approach we develop a theory for calculation of dynamical susceptibility tensor of Skyrmion crystals (SkX), formed in thin ferromagnetic films with Dzyaloshinskii-Moriya interaction and in the external magnetic field. Staying whenever possible within analytical framework, we employ the model anzats for static SkX configuration and discuss small fluctuations around it. The obtained formulas are numerically analyzed in the important case of uniform susceptibility, accessible in magnetic resonance (MR) experiments. We show that, in addition to three characteristic MR frequencies discussed earlier both theoretically and experimentally, one should also expect several resonances of smaller amplitude at somewhat higher frequencies.
