Magnetic field tuning of the spin dynamics in the magnetic topological insulators (MnBi${}_2$Te${}_4$)(Bi${}_2$Te${}_3$)${}_n$

A. Alfonsov, K. Mehlawat, A. Zeugner +3

We report a high frequency/high magnetic field electron spin resonance (HF-ESR) spectroscopy study in the sub-THz frequency domain of the two representatives of the family of magne…