Monte Carlo Simulation for Magnetic Granular System with Gaussian Distribution

概要

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Magnetic hysteresis curves were calculated using the Monte Carlo method to study the dependence of magnetic properties on the distribution of magnetic sites based on simple diffusion model. The simulated curves illustrate that the magnetic sites distributions influence strongly the magnetic remanence and coercivity depending on diffusion step. Furthermore, the clusters are divided into "colonies", which are defined as groups of magnetic sites linked by the nearest neighbors, to analyze effect for the hysteresis curves of local structures of magnetic sites in the clusters. These results support that the magnetic sites dispersion system included localized bias determines its magnetic properties depending on the diffusion step, and they would be a new point of view for control of magnetic properties.
日本シミュレーション学会の論文