Crossover from Nonequilibrium Fractal Growth to Equilibrium Compact Growth

Erik Schwartz Sørensen, Hans C. Fogedby, Ole G. Mouritsen

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Abstract

Solidification controlled by vacancy diffusion is studied by Monte Carlo simulations of a two-dimensional Ising model defined by a Hamiltonian which models a thermally driven fluid-solid phase transition. The nonequilibrium morphology of the growing solid is studied as a function of time as the system relaxes into equilibrium described by a temperature. At low temperatures the model exhibits fractal growth at early times and crossover to compact solidification as equilibrium is approached.
Original languageEnglish
JournalPhysical Review Letters
Volume61
Issue number24
Pages (from-to)2770-2773
ISSN0031-9007
DOIs
Publication statusPublished - 1988

Bibliographical note

Copyright (1988) by the American Physical Society.

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