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
来源：
MOLECULAR PHYSICS | 1995年 / 85卷 / 02期
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.
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页码：423 / 428
页数：6
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