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

Indiveri, Giovanni, Scalas, Enrico, Levi, Andrea C and Gliozzi, Alessandra (1999) Morphologies in two-dimensional growth with attractive long-range interactions. Physica A: Statistical Mechanics and its Applications, 273 (3-4). pp. 217-230. ISSN 0378-4371

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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.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Mathematics
Subjects: Q Science > QA Mathematics > QA0297 Numerical analysis
Q Science > QC Physics > QC0170 Atomic physics. Constitution and properties of matter Including molecular physics, relativity, quantum theory, and solid state physics
Depositing User: Enrico Scalas
Date Deposited: 02 Oct 2014 10:56
Last Modified: 02 Oct 2014 10:56
URI: http://sro.sussex.ac.uk/id/eprint/50307
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