Percolation in half-spaces: equality of critical densities and continuity of the percolation probability |
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Authors: | David J. Barsky Geoffrey R. Grimmett Charles M. Newman |
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Affiliation: | 1. Department of Mathematics, University of California, 95616, Davis, CA, USA 2. School of Mathematics, University of Bristol, BS8 1TW, Bristol, England, UK 3. Department of Mathematics, University of Arizona, 85721, Tucson, AZ, USA
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Abstract: | Renormalization arguments are developed and applied to independent nearest-neighbor percolation on various subsets of d,d2, yielding: | Equality of the critical densities,pc(), for a half-space, quarter-space, etc., and (ford>2) equality with the limit of slab critical densities. | | Continuity of the phase transition for the half-space, quarter-space, etc.; i.e., vanishing of the percolation probability,(p), atp=pc(). | Corollaries of these results include uniqueness of the infinite cluster for such 's and sufficiency of the following for proving continuity of the full-space phase transition: showing that percolation in the full-space at densityp implies percolation in the half-space at thesame density. |
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