Comparison of meanfield and Monte Carlo approaches to dynamic hysteresis in Ising ferromagnets
Abstract
Description
The dynamical hysteresis is studied in the kinetic Ising model in the presence of a sinusoidal magnetic field both by Monte Carlo simulation and by solving the dynamical meanfield equation for the averaged magnetisation. The frequency variations of the dynamic coercive field are studied below the critical temperature. In both the cases, it shows a power law frequency variation however it becomes frequency independent in the low frequency regime for the meanfield case.
7 pages Latex (including figs.)
7 pages Latex (including figs.)