Surface Structures and Growth Processes in a Modified Eden Growth Model

Daniel Nitsch, Claus Schumacher, Bernd Zettel

We study surface structures and growth processes of clusters of material based on a modified Eden growth model. We find that the resulting surface can be classified using a parameter k (ratio of surface / sqrt(substance)). The effect of the interaction q between particles on the surface structure is not continuous, but k(q) exhibits threshold behaviour. Essentially, there are three classes of surfaces: (a) compact surfaces, (b) fragmented surfaces and (c) very fragmented surfaces.







Clusters with a substance of 3000 particles. Interaction strengths decrease from (a) to (c).
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