Front and domain growth in the presence of gravity

A. M. Lacasta, A. Hernández-Machado, and J. M. Sancho
Phys. Rev. B 48, 9418 – Published 1 October 1993
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Abstract

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.

  • Received 23 April 1993

DOI:https://doi.org/10.1103/PhysRevB.48.9418

©1993 American Physical Society

Authors & Affiliations

A. M. Lacasta

  • Departament de Física Aplicada, Universitat Politècnica de Catalunya, Jordi Girona Salgado 31, E-08034 Barcelona, Spain
  • Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona, Av. Diagonal 647, E-08028 Barcelona, Spain

A. Hernández-Machado and J. M. Sancho

  • Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona, Av. Diagonal 647, E-08028 Barcelona, Spain

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Issue

Vol. 48, Iss. 13 — 1 October 1993

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