Morphologies in two-dimensional growth with attractive long-range interactions

G Indiveri, Enrico Scalas, A.c Levi and A Gliozzi

Physica A: Statistical Mechanics and its Applications, 1999, vol. 273, issue 3, 217-230

Abstract: A two-dimensional growth model is introduced in which the morphology of aggregates depends on long-range two-body attractive interactions with a potential of the kind U(r)=C/rα. Its relation with continuum diffusive models is discussed. The morphology changes are studied for clusters of 2000 particles as a function of the potential parameters p=C/kBT<0 and α. The effect of anisotropy is taken into account by letting particles diffuse and aggregate on a triangular lattice. Tip-splitting occurs for small |p| and large α. The cluster scaling and symmetry properties are investigated in connection with the morphology transitions.

Keywords: Morphology; Growth; Attraction (search for similar items in EconPapers)
Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:273:y:1999:i:3:p:217-230

DOI: 10.1016/S0378-4371(99)00231-9

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