计算物理 ›› 1992, Vol. 9 ›› Issue (1): 35-39.

• 论文 • 上一篇    下一篇

二维硬盘系统状态方程和相图的数值计算

孙凤国, 胡洪波, 唐荣奇   

  1. 国防科学技术大学应用物理系, 长沙 410073
  • 收稿日期:1990-12-03 修回日期:1991-09-11 出版日期:1992-03-25 发布日期:1992-03-25

NUMERICAL CALCULATION OF EOS AND PHASE DIAGRAM FOR TWO DIMENSIONAL HARD DISK SYSTEM

Sun Fengguo, Hu Hongbo, Tang Rongqi   

  1. Applied Physics Department, National University of Defense Technology
  • Received:1990-12-03 Revised:1991-09-11 Online:1992-03-25 Published:1992-03-25

摘要: 本文用数值方法求二维硬盘系统吉布斯函数的极小值在位形空间中的位置,给出了该模型的状态方程和相图,发现只存在6原子固态和液态,纠正了以前人们在该模型上的一些错误结论。

关键词: 二维硬盘系统, 相变, 吉布斯自由能, 状态方程

Abstract: With numerical method we obtained the location of minimum value of Gibbs function in configuration space for two dimensional hard disk system, and the equation of state and phase diagram of the model, we found that only the 6-atom solid phase and liquid phase can be exist in the model. The wrong method and conclusion of previcus work have been corrected.

Key words: two-dimensional hard disk system, phase transition, Gibbs free energy, equation of state