FRONT AND DOMAIN GROWTH IN THE PRESENCE OF GRAVITY

被引：17
|
作者：
LACASTA, AM [1 ]
HERNANDEZMACHADO, A [1 ]
SANCHO, JM [1 ]
机构：
[1] UNIV BARCELONA,DEPT ESTRUCT & CONSTITUENTS MAT,E-08028 BARCELONA,SPAIN
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 13期
关键词：
D O I：
10.1103/PhysRevB.48.9418
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Front and domain growth of a binary mixture in the presence of a gravitational field is studied. The interplay of bulk- and surface-diffusion mechanisms is analyzed. An equation for the evolution of interfaces is derived from a time-dependent Ginzburg-Landau equation with a concentration-dependent diffusion coefficient. Scaling arguments on this equation give the exponents of a power-law growth. Numerical integrations of the Ginzburg-Landau equation corroborate the theoretical analysis.
引用
收藏
页码：9418 / 9425
页数：8
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