paper

Site percolation on square and simple cubic lattices with extended neighborhoods and their continuum limit

arXiv:2010.02895 · doi:10.1103/PhysRevE.103.022126

Abstract

By means of Monte Carlo simulations, we study long-range site percolation on square and simple cubic lattices with various combinations of nearest neighbors, up to the eighth neighbors for the square lattice and the ninth neighbors for the simple cubic lattice. We find precise thresholds for 23 systems using a single-cluster growth algorithm. Site percolation on lattices with compact neighborhoods can be mapped to problems of lattice percolation of extended shapes, such as disks and spheres, and the thresholds can be related to the continuum thresholds for objects of those shapes. This mapping implies in 2D and in 3D for large for circular and spherical neighborhoods respectively, where is the coordination number. Fitting our data to the form we find good agreement with ; the constant represents a finite- correction term. We also study power-law fits of the thresholds.

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