Field-tuning of ultrafast magnetization fluctuations in Sm${}_{0.7}$Er${}_{0.3}$FeO${}_3$

Marvin Alexander Weiss, Julius Schlegel, Daniel Anić +7

The properties of spin fluctuations in antiferromagnets are largely unexplored, in particular at ultrafast timescales. Here, we employ femtosecond noise correlation spectroscopy (F…