Real-space imaging and flux noise spectroscopy of magnetic dynamics in Ho${}_2$Ti${}_2$O${}_7$

Christopher A. Watson, Ilya Sochnikov, John R. Kirtley +2

Holmium titanate (Ho${}_2$Ti${}_2$O${}_7$) is a rare earth pyrochlore and a canonical example of a classical spin ice material. Despite the success of magnetic monopole models, a full un…