【摘要】 提出了一个改进的Ｐｏｔｔｓ模型并用它描述从面心立方（ｆｃｃ）到简立方（ｓｃ）的有序无序转变．用ＭｏｎｔｅＣａｒｌｏ的方法对它进行了模拟，结果表明，相变温度为Ｔｃ≈（０．７７±０．０２）２ＪｃｏｓθｋＢ．更多还原

【Abstract】 A modified Potts model has been constructed and used to explain the order disorder transition from fcc to sc. We studied the transition by the Monte Carlo method. The simulation results show that the critical temperature T c ≈(0.77±0.02)2J cos 2θk B .更多还原