物理化学学报 >> 1993, Vol. 9 >> Issue (02): 200-205.doi: 10.3866/PKU.WHXB19930211

研究论文 上一篇    下一篇

二维凝聚体系中分子的取向分布函数性质

张韫宏; 田永驰; 梁映秋   

  1. 吉林大学理论化学研究所，长春 130023；南京大学化学系，南京 210008
  • 收稿日期:1991-11-01 修回日期:1992-05-25 发布日期:1993-04-15
  • 通讯作者: 张韫宏

Study on the Property of Orientation Distribution Function for Uniaxially two-Dimensional Condensed Phases

Zhang Yun-Hong; Tian Yong-Chi; Liang Ying-Qiu   

  1. Institute of Theoretical Chemistry, Jilin University, Changchun 130023; Department of Chemistry, Nanjing University 210008
  • Received:1991-11-01 Revised:1992-05-25 Published:1993-04-15
  • Contact: Zhang Yun-Hong

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摘要： 对二阶和四阶Legondre多项式构造的取向分布函数进行了仔细研究, 发现该函数适于描述二维凝聚体系中单轴取向分子的四种分布模式, 给出了这四种分布模式对应的序参数〈P_2〉,〈P_4〉的取值区域, 具体讨论了序参数〈P_2〉,〈P_4〉改变时, 分布图形的相应变化.

关键词: 二维凝聚体系, 序参数, 取向分布函数, 取向分布极坐标图象

Abstract: In this paper, the property of orientation distribution function composed of second and fourth legendre polynomials was studied. It was pointed that this function can he used to describe four kinds of orientation distribution models. Corresponding to the four models, four regions of order parameters and were given. The orientation distribution polar graphs were observed when the order parameters were changing.

Key words: Two-dimensional condensed phase, Order parameters, Orientation distribution function, Orientation distribution polar graph