APPROXIMATE ANALYTICAL EXPRESSION FOR THE DIRECT CORRELATION-FUNCTION OF HARD DISCS WITHIN THE PERCUS-YEVICK EQUATION

被引:20
作者
RIPOLL, MS
TEJERO, CF
机构
[1] Universidad Complutense de Madrid, Madrid
关键词
D O I
10.1080/00268979500101211
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A simple approximate analytical expression for the direct correlation function of a hard-sphere fluid in D dimensions within the Percus-Yevick equation is proposed. The approximation exactly reproduces the well-known results for D = 1 and D = 3, while for D = 2 it compares well to the numerical results for densities not very close to the freezing density.
引用
收藏
页码:423 / 428
页数:6
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