二次元ランダム強磁性体における磁区成長の計算機シミュレーション

概要

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Using Monte Carlo simulation the domain growth in the two-dimensional Ising system in the presence of a small amount of impurities or antiferromagnetic bonds is studied. The domain size R grows following the power law R(t) ∝ t^n, and the exponent n decreases with the concentration of impurities or antiferromagnetic bonds. It is found that the effect of antiferromagnetic bonds on the reduction of n is more remarkable than that of impurities.
山梨大学の論文