Exact results at the 2-D percolation point

Abstract

We derive exact expressions for the excess number of clusters b and the excess cumulants b_n of a related quantity at the 2-D percolation point. High-accuracy computer simulations are in accord with our predictions. b is a finite-size correction to the Temperley-Lieb or Baxter-Temperley-Ashley formula for the number of clusters per site n_c in the infinite system limit; the bn correct bulk cumulants. b and b_n are universal, and thus depend only on the system's shape. Higher-order corrections show no apparent dependence on fractional powers of the system size.

12 pages, 2 figures, LaTeX, submitted to Physical Review Letters

References in corpus (2)

• The Number of Incipient Spanning Clusters in Two-Dimensional Percolation
• Universality of finite-size corrections to the number of critical percolation clusters

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