Shape and size of two-dimensional percolation clusters with and without correlations
- 1 October 1979
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 12 (10), 1843-1855
- https://doi.org/10.1088/0305-4470/12/10/029
Abstract
The statistical analysis previously used for the temperature behaviour of clusters for the Ising model is applied to Monte Carlo samples of percolation clusters. Three cases are considered: (a) positive correlation (T=2Tc ferromagnetic): (b) random (T= infinity ); (c) negative correlation (T=2Tc antiferromagnetic). It is found that the exponents which characterise the decay of the cluster-size distributions do not depend on correlation. These distributions can be fitted over their whole range by assuming that percolation critical exponents are independent of correlation, but the scaling functions which then result do depend on correlation. Statistical parameters which are related to the compactness or ramification of clusters change smoothly with correlation. However, some features of negative correlation are significantly different in behaviour.Keywords
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