稀释Ising模型的动态相变

S. Chattopadhyay, Gopal Gorai, S. Santra
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引用次数: 0

摘要

应用格劳伯-蒙特卡罗技术研究了在外加时变振荡磁场作用下二维无序Ising模型的动态相变。对不同无序浓度下的动态相变进行了识别,估计了动态有序参数随温度的变化。对于给定的不存在磁滞的场强和场频,可以观察到无序能够引起系统的磁滞。研究了无序浓度增大对磁滞回线面积的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic phase transition in diluted Ising model
Dynamic phase transition in disordered Ising model in two dimensions has been studied in presence of external time dependent oscillating magnetic field applying Glauber Monte Carlo techniques. Dynamic phase transitions are identified estimating dynamic order parameter against temperature for different concentrations of disorder. For a given field strength and frequency for which there was no hysteresis, it is observed that disorder is able induce hysteresis in the system. Effect of increasing concentration of disorder on hysteresis loop area has also been studied.
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