Dynamics in frozen state of spin ice

Spin dynamics in the frozen state of the dipolar spin ice material Dy2Ti2O7.
L. R. Yaraskavitch, H. M. Revell, S. Meng, K. A. Ross, H. M. L. Noad, H. A. Dabkowska,
B. D. Gaulin, and J. B. Kycia
Phys. Rev. B 85, 020410(R) (2012)

Compilation of the ac susceptibility frequency scans of Dy2Ti2O7 and Ho2Ti2O7. An Arrhenius fit to the
low-temperature Dy2Ti2O7 relaxation is shown, along with a 6J_DTO_eff Arrhenius law with arbitrary frequency scaling.