Phase transition of binary-component DLA (diffusion-limited aggregation)-SQL (square lattice) system contacted with thermal bath in the perimeter

Yoshitake Yamazaki, Arno Holz, Yoshiichi Fukuda, Mitsugu Matsushita, Hiroshi Kondho, Yoshinori Hayakawa

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    To make the DLA model associate with more realistic processes of crystal growth, the authors construct and study a new model including the experimental variables required. Diffusion particles of multicomponents diffuse on the square lattice as in the DLA model; the aggregation perimeter contacts with a thermal bath of temperature T and the sticking probability P consists of a constant probability Pc and the thermal one Pt at a neighbouring site of the perimeter, as P=(1- alpha )Pc+ alpha Pt ( alpha is a parameter which includes the non-equilibrium-equilibrium tendency of the system). Pt is evaluated by the thermodynamic distribution of the Ising system including up to next-nearest-neighbour interactions and chemical potentials. The system has the possibility of phase transitions. They show the phase transitions, aggregation patterns, correlation functions, fractal dimensions, and so on.

    Original languageEnglish
    Article number012
    Pages (from-to)3927-3938
    Number of pages12
    JournalJournal of Physics A: General Physics
    Volume21
    Issue number20
    DOIs
    Publication statusPublished - 1988 Dec 1

    ASJC Scopus subject areas

    • Statistical and Nonlinear Physics
    • Physics and Astronomy(all)
    • Mathematical Physics

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