PHASE-DIAGRAM OF A MODEL ANTICLUSTERING BINARY MIXTURE IN 2 DIMENSIONS - A SEMI-GRAND-CANONICAL MONTE-CARLO STUDY

被引：14
|
作者：
SENGUPTA, S [1 ]
MARX, D [1 ]
NIELABA, P [1 ]
BINDER, K [1 ]
机构：
[1] JOHANNES GUTENBERG UNIV MAINZ,INST PHYS,CH-8803 RUSCHLIKON,SWITZERLAND
来源：
PHYSICAL REVIEW E | 1994年 / 49卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.49.1468
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The temperature-density phase diagram of a model binary mixture in two-dimensions is investigated using a semi-grand-canonical Monte Carlo simulation scheme which allows for exchange between the two species while keeping the total number of atoms fixed. The gas-liquid and the gas-solid regions of the phase diagram are mapped out using the efficient block analysis method incorporating finite-size scaling of the various coexisting densities. An ordered square lattice structure is seen to be stable at low temperatures. Interesting short-range ordering phenomena resulting in a ''disorder line'' in the fluid phase are also analyzed and compared with results from liquid-state integral equation theories.
引用
收藏
页码：1468 / 1477
页数：10
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