EVIDENCE FOR ENTROPY-DRIVEN DEMIXING IN HARD-CORE FLUIDS

被引：121
|
作者：
DIJKSTRA, M
FRENKEL, D
机构：
[1] Foundation for Fundamental Research on Matter (FOM), Institute for Atomic and Molecular Physics, 1098 SJ Amsterdam
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.72.298
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report the first observation, by computer simulation, of a purely entropic demixing transition in a three-dimensional binary hard-core mixture. This transition is observed in a mixture of large and small cubes. We also find evidence for demixing in other hard-core fluids and, in the case of an athermal polymer solution, we observe a purely entropy-driven polymer collapse. For the study of both the hard-core demixing and polymer collapse, it was essential to use novel collective Monte Carlo moves.
引用
收藏
页码：298 / 300
页数：3
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