中国物理B ›› 2003, Vol. 12 ›› Issue (1): 79-83.doi: 10.1088/1009-1963/12/1/314

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The two-dimensional alternative binary　L-J system: liquid--gas phase diagram

张 陟, 陈立溁   

  1. Department of Physics, Anhui Normal University, Wuhu　241000，China
  • 收稿日期:2002-03-26 修回日期:2002-09-26 出版日期:2003-01-20 发布日期:2003-01-20

The two-dimensional alternative binary L-J system: liquid--gas phase diagram

Zhang Zhi (张 陟), Chen Li-Rong (陈立溁)   

  1. Department of Physics, Anhui Normal University, Wuhu 241000，China
  • Received:2002-03-26 Revised:2002-09-26 Online:2003-01-20 Published:2003-01-20

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摘要： A two-dimensional (2D) binary system without considering the　Lennard-Jones (L-J) potential has been studied by using the　Collins model. In this paper, we introduce the L-J potential　into the 2D binary system and consider the existence of the　holes that are called the ``molecular fraction". The liquid--gas　phase diagram of the 2D alternative binary L-J system is obtained. The　results are quite analogous to the behaviour of 3D substances.

Abstract: A two-dimensional (2D) binary system without considering the Lennard-Jones (L-J) potential has been studied by using the Collins model. In this paper, we introduce the L-J potential into the 2D binary system and consider the existence of the holes that are called the ``molecular fraction". The liquid--gas phase diagram of the 2D alternative binary L-J system is obtained. The results are quite analogous to the behaviour of 3D substances.

Key words: L-J potential, Collins model, liquid--gas phase diagram, binary system

中图分类号:  (Liquid-vapor transitions)

  • 64.70.F-
81.30.Dz (Phase diagrams of other materials)