Abstract
Let ℓ be a fixed vertical lattice line of the unit triangular lattice in the plane, and let \({\mathcal{H}}\) be the half plane to the left of ℓ. We consider lozenge tilings of \({\mathcal{H}}\) that have a triangular gap of side-length two and in which ℓ is a free boundary — i.e., tiles are allowed to protrude out half-way across ℓ. We prove that the correlation function of this gap near the free boundary has asymptotics \({\frac{1}{4\pi r}}\), r → ∞, where r is the distance from the gap to the free boundary. This parallels the electrostatic phenomenon by which the field of an electric charge near a conductor can be obtained by the method of images.
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Communicated by H. Spohn
Research partially supported by NSF grant DMS-0500616.
Research partially supported by the Austrian Science Foundation FWF, grants Z130-N13 and S9607-N13, the latter in the framework of the National Research Network “Analytic Combinatorics and Probabilistic Number Theory.”
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Ciucu, M., Krattenthaler, C. The Interaction of a Gap with a Free Boundary in a Two Dimensional Dimer System. Commun. Math. Phys. 302, 253–289 (2011). https://doi.org/10.1007/s00220-010-1186-5
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DOI: https://doi.org/10.1007/s00220-010-1186-5