Dynamical scaling and crossover from algebraic to logarithmic growth in dilute systems

Ole G. Mouritsen, Peter Jivan Shah

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    Abstract

    The ordering dynamics of the two-dimensional Ising antiferromagnet with mobile vacancies and nonconserved order parameter is studied by Monte Carlo temperature-quenching experiments. The domain-size distribution function is shown to obey dynamical scaling. A crossover is found from an algebraic growth law for the pure system to effectively logarithmic growth behavior in the dilute system, in accordance with recent experiments on ordering kinetics in impure chemisorbed overlayers and off-stoichiometric alloys.
    Original languageEnglish
    JournalPhysical Review B
    Volume40
    Issue number16
    Pages (from-to)11445-11448
    ISSN2469-9950
    DOIs
    Publication statusPublished - 1989

    Bibliographical note

    Copyright (1989) by the American Physical Society.

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