Demixing in isotropic binary mixtures of rodlike macromolecules

被引：16

作者：

Hemmer, PC ^{[1
]}

机构：

[1] Norges Tekn Nat Vitenskapelige Univ, Inst Fys, N-7491 Trondheim, Norway

来源：

JOURNAL OF STATISTICAL PHYSICS | 2000年 / 100卷 / 1-2期

关键词：

colloids; phase transitions; binary mixtures; hard rods;

D O I：

10.1023/A:1018671107958

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A binary mixture of long rigid rods of diameters D-i and lengths L-i (i = 1, 2) may demix into two isotropic phases. and we give necessary conditions on the molecular size parameters for this transition to exist. These conditions imply th;lt the two diameters must be sufficiently unequal, D-2/D-1 > (9/7+4/7 root 2)(2), or D-2/D-1 < (9/7-4/7 root 2)(2), while the length ratio is limited to an interval f_(D-2/D-1) < L-2/L-1 < f(+)(D-2/D-1). The functions f(+/-) are given explicitly.

引用

页码：3 / 11

页数：9

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