Integral Absorption of Microwave Power by Random-Anisotropy Magnets

E. M. Chudnovsky, D. A. Garanin

We study analytically and numerically on lattices containing $10^5$ spins, the integral absorption of microwaves by a random-anisotropy magnet, $\int d\omega P(\omega )$. It scales as $D^2_R/J…