正方格子伊辛模型的单迁移率函数及其在Monte Carlo动力学中的应用
A Single Mobility Function for the Square-Lattice Ising Model and Its Application to Calibrated Monte Carlo Kinetics
摘要：
计算实验表明，在二维正方形点阵伊辛模型和Metropolis动力学中，晶界迁移率与驱动力无关。这是在整个蒙特卡罗温度范围内建立的。然后介绍了一种校准方法，它赋予的Monte Carlo算法的时间和长度尺度，并允许Monte Carlo参数直接表示在实验可测量的参数。各种驱动力和温度条件下获得的结果的比较表明，这种校准的Monte Carlo模型能够捕捉到由尖锐界面理论预测的晶界动力学。
英文摘要：
Computational experiments are used to show that grain boundary mobility is independent of driving force in a two-dimensional, square-lattice Ising model with Metropolis kinetics. This is established over the entire Monte Carlo temperature range. A calibration methodology is then introduced which endows the Monte Carlo algorithm with time and length scales and allows the Monte Carlo parameters to be expressed directly in terms of experimentally measurable parameters. A comparison of results obtained for a variety of driving forces and temperature conditions indicates that such Calibrated Monte Carlo models are able to capture the grain boundary kinetics predicted by sharp-interface theory.
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