PERCOLATION THRESHOLDS NEAR LOWER CRITICAL-POINTS

被引：5
|
作者：
BLOSSEY, R [1 ]
SCHICK, M [1 ]
机构：
[1] UNIV OSLO, DEPT PHYS, N-0316 OSLO 3, NORWAY
来源：
PHYSICAL REVIEW A | 1991年 / 44卷 / 02期
关键词：
CORRELATED-PERCOLATION; PHASE-DIAGRAMS; LATTICE; CONDUCTIVITY; MICROEMULSIONS; TRANSITION; MODEL;
D O I：
10.1103/PhysRevA.44.1134
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A lattice model of a two-component fluid that displays a closed-loop phase diagram is studied to determine the correlated site percolation threshold of one of the components. Both the phase diagram and the threshold of the three-dimensional system are determined within the Bethe approximation. A rapid variation of the threshold with temperature below the lower critical point is found, similar to that observed in a recent experiment. This variation is attributed to the tendency of the interactions to structure the fluid.
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页码：1134 / 1138
页数：5
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