Formation of Fractal Clusters and Networks by Irreversible Diffusion-Limited Aggregation
- 26 September 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 51 (13), 1119-1122
- https://doi.org/10.1103/physrevlett.51.1119
Abstract
A model for diffusion-controlled aggregation in which growing clusters as well as individual particles are mobile has been investigated. Two versions of the model in which the cluster diffusion coefficient is either size independent or inversely proportional to number of particles (mass) give very similar results. In the limit of low concentration and large system size both models lead to structures with a fractal (Hausdorff) dimensionality of about 1.45-1.5 in two-dimensional lattice-based simulations.Keywords
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