The effect of inertial spin dynamics is compared between ferromagnetic, antiferromagnetic, and ferrimagnetic systems. The linear response to an oscillating external magnetic field is calculated within the framework of the inertial Landau-Lifshitz-Gilbert equation using analytical theory and computer simulations. Precession and nutation resonance peaks are identified, and it is demonstrated that the precession frequencies are reduced by the spin inertia, while the lifetime of the excitations is enhanced. The interplay between precession and nutation is found to be the most prominent in antiferromagnets, where the timescale of the exchange-driven sublattice dynamics is comparable to inertial relaxation times. Consequently, antiferromagnetic resonance techniques should be better suited for the search for intrinsic inertial spin dynamics on ultrafast timescales than ferromagnetic resonance.

中文翻译：

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反铁磁共振共振

在铁磁，反铁磁和亚铁磁系统之间比较了惯性自旋动力学的影响。在惯性的Landau-Lifshitz-Gilbert方程的框架内，使用解析理论和计算机仿真来计算对振荡的外部磁场的线性响应。识别出进动和章动共振峰，并证明了进动频率因自旋惯性而降低，同时激发的寿命得到了延长。在反铁磁体中，进动与章动之间的相互作用最为显着，其中交换驱动的亚晶格动力学的时间尺度与惯性弛豫时间相当。所以，