Curvature-driven coarsening in the two-dimensional Potts model

被引：40

作者：

Loureiro, Marcos P. O. ^{[1
,2
]}

Arenzon, Jeferson J. ^{[1
,2
]}

Cugliandolo, Leticia F. ^{[3
]}

Sicilia, Alberto ^{[4
]}

机构：

[1] Univ Fed Rio Grande do Sul, Inst Fis, CP 15051, BR-91501970 Porto Alegre, RS, Brazil

[2] Univ Fed Rio Grande do Sul, INCT Sistemas Complexos, BR-91501970 Porto Alegre, RS, Brazil

[3] Univ Paris 06, LPTHE, UMR 7589, F-75252 Paris 05, France

[4] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

来源：

PHYSICAL REVIEW E | 2010年 / 81卷 / 02期

关键词：

PHASE-ORDERING DYNAMICS; DOMAIN-GROWTH KINETICS; CRITICAL-BEHAVIOR; GRAIN-GROWTH; MONTE-CARLO; CLUSTERS; TRANSITION; FROTHS; SIZE;

D O I：

10.1103/PhysRevE.81.021129

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：

We study the geometric properties of polymixtures after a sudden quench in temperature. We mimic these systems with the q-states Potts model on a square lattice with and without weak quenched disorder, and their evolution with Monte Carlo simulations with nonconserved order parameter. We analyze the distribution of hull-enclosed areas for different initial conditions and compare our results with recent exact and numerical findings for q=2 (Ising) case. Our results demonstrate the memory of the presence or absence of long-range correlations in the initial state during the coarsening regime and exhibit superuniversality properties.

引用

页数：11

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