Observation of Spin Glass Dynamics in Dilute LiHo${}_x$Y${}_{1-x}$F${}_4$

J. A. Quilliam, S. Meng, C. G. A. Mugford +1

AC susceptibility measurements are presented on the dilute, dipolar coupled, Ising magnet LiHo${}_x$Y${}_{1-x}$F${}_4$ for a concentration $x=0.045$. The frequency and temperature depe…