Homogeneous and self-similar diffusion-limited aggregation including surface-diffusion processes

Shonosuke Ohta, Haruo Honjo

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    Growth features of aggregates including surface-diffusion processes are studied by Monte Carlo simulations on a two-dimensional square lattice. A dendritic pattern with thick branches changes its anisotropy from the 10 direction to 11 depending on the surface-diffusion mechanism. A homogeneous diffusion-limited-aggregation (DLA) pattern with a fractal dimension of df=1.7160.003 grows in the crossover domain between two anisotropies. Results indicate that a random tip-splitting process arising from noise is necessary to hold its homogeneity and self-similarity. Such processes in other DLA patterns and in a dense radial-like pattern obtained from altered simulations are also investigated.

    Original languageEnglish
    Pages (from-to)8425-8428
    Number of pages4
    JournalPhysical Review A
    Volume44
    Issue number12
    DOIs
    Publication statusPublished - Jan 1 1991

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    surface diffusion
    anisotropy
    homogeneity
    fractals
    crossovers
    simulation

    All Science Journal Classification (ASJC) codes

    • Atomic and Molecular Physics, and Optics

    Cite this

    Homogeneous and self-similar diffusion-limited aggregation including surface-diffusion processes. / Ohta, Shonosuke; Honjo, Haruo.

    In: Physical Review A, Vol. 44, No. 12, 01.01.1991, p. 8425-8428.

    Research output: Contribution to journalArticle

    Ohta, Shonosuke ; Honjo, Haruo. / Homogeneous and self-similar diffusion-limited aggregation including surface-diffusion processes. In: Physical Review A. 1991 ; Vol. 44, No. 12. pp. 8425-8428.
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