Effects of cluster trajectories on cluster-cluster aggregation: A comparison of linear and Brownian trajectories in two- and three-dimensional simulations
- 1 February 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 29 (2), 997-999
- https://doi.org/10.1103/physreva.29.997
Abstract
Recent computer simulation studies have shown that diffusion-limited particle-cluster aggregation leads to structures with a considerably smaller effective fractal dimensionality than particle-cluster aggregation via linear particle trajectories. Here it is shown that Brownian motion has a much smaller effect on the structure of aggregates formed as a result of cluster-cluster aggregation. In particle-cluster diffusion-limited aggregation, it is the particle trajectory which prevents the particles from penetrating and filling in the fractal cluster. In cluster-cluster aggregation, the clusters cannot penetrate each other by means of any trajectory so the particle trajectory is of much less importance.Keywords
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