DOMAIN GROWTH IN COMPRESSIBLE 2D ISING MODELS UNDERGOING PHASE SEPARATION

被引：2

作者：

Mitchell, S. J. ^{[1
]}

Landau, D. P.

机构：

[1] Univ Georgia, Ctr Simulat Phys, Athens, GA 30602 USA

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS C | 2009年 / 20卷 / 09期

基金：

美国国家科学基金会;

关键词：

Ising model; compressible model; phase separation; domain growth; MONTE-CARLO SIMULATIONS; SPINODAL DECOMPOSITION; EXTERNAL STRESSES; BINARY-ALLOYS; DYNAMICS; KINETICS; MIXTURES; BEHAVIOR; SYSTEMS; MISFIT;

D O I：

10.1142/S0129183109014394

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

High precision Monte Carlo simulations are used to study domain growth in a compressible two-dimensional spin-exchange Ising model with continuous particle positions and zero total magnetization. For mismatched systems, we measure significant deviations from the theoretically expected late-time domain growth, R(t) - A + Bt(n) with n = 1/3. For a compressible model with no mismatch, we measure only a slight deviation from n = 1/3. Our results indicate that our current understanding of domain growth is incomplete.

引用

页码：1325 / 1333

页数：9

共 32 条

[1] MONTE-CARLO STUDY OF GROWTH IN THE TWO-DIMENSIONAL SPIN-EXCHANGE KINETIC ISING-MODEL [J].

AMAR, JG ;

SULLIVAN, FE ;

MOUNTAIN, RD .

PHYSICAL REVIEW B, 1988, 37 (01) :196-208

[2] Anomalous phase separation dynamics in the presence of surfactants [J].

Bernardes, AT ;

Liverpool, TB ;

Stauffer, D .

PHYSICAL REVIEW E, 1996, 54 (03) :R2220-R2223

[3]

BINDER K, 1974, PHYS REV LETT, V33, P1006, DOI 10.1103/PhysRevLett.33.1006

[4] THEORY OF PHASE-ORDERING KINETICS [J].

BRAY, AJ .

ADVANCES IN PHYSICS, 1994, 43 (03) :357-459

[5] Molecular dynamics study of phase separation kinetics in thin films [J].

Das, SK ;

Puri, S ;

Horbach, J ;

Binder, K .

PHYSICAL REVIEW LETTERS, 2006, 96 (01)

[6] PHASE-DIAGRAM AND CRITICAL-BEHAVIOR OF THE SI-GE UNMIXING TRANSITION - A MONTE-CARLO STUDY OF A MODEL WITH ELASTIC DEGREES OF FREEDOM [J].

DUNWEG, B ;

LANDAU, DP .

PHYSICAL REVIEW B, 1993, 48 (19) :14182-14197

[7] SCALING FUNCTIONS, SELF-SIMILARITY, AND THE MORPHOLOGY OF PHASE-SEPARATING SYSTEMS [J].

FRATZL, P ;

LEBOWITZ, JL ;

PENROSE, O ;

AMAR, J .

PHYSICAL REVIEW B, 1991, 44 (10) :4794-4811

[8] Modeling of phase separation in alloys with coherent elastic misfit [J].

Fratzl, P ;

Penrose, O ;

Lebowitz, JL .

JOURNAL OF STATISTICAL PHYSICS, 1999, 95 (5-6) :1429-1503

[9] Kinetics of joint ordering and decomposition in binary alloys [J].

Gorentsveig, VI ;

Fratzl, P ;

Lebowitz, JL .

PHYSICAL REVIEW B, 1997, 55 (05) :2912-2919

[10] Spinodal decomposition in fluids [J].

Grant, M ;

Elder, KR .

PHYSICAL REVIEW LETTERS, 1999, 82 (01) :14-16

← 1 2 3 4 →