Coarse graining for the phase-field model of fast phase transitions

被引：24

作者：

Jou, D. ^{[1
]}

Galenko, P. K. ^{[2
]}

机构：

[1] Univ Autonoma Barcelona, Dept Fis, Bellaterra 08193, Catalonia, Spain

[2] Univ Jena, Fak Phys Astron, D-07743 Jena, Germany

来源：

PHYSICAL REVIEW E | 2013年 / 88卷 / 04期

关键词：

CAHN-HILLIARD EQUATION; SPINODAL DECOMPOSITION; HYPERBOLIC MODEL; INERTIAL TERM; TIME; SOLIDIFICATION; RELAXATION; FLUCTUATIONS; EVOLUTION; DIFFUSION;

D O I：

10.1103/PhysRevE.88.042151

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：

Fast phase transitions under lack of local thermalization between successive elementary steps of the physical process are treated analytically. Non-Markovian master equations are derived for fast processes, which do not have enough time to reach energy or momentum thermalization during rapid phase change or freezing of a highly nonequilibrium system. These master equations provide a further physical basis for evolution and transport equations of the phase-field model used previously in the analyses of fast phase transitions.

引用

页数：8

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