Rotational invariance of quadromer correlations on the hexagonal lattice
Mihai Ciucu
Abstract
In 1963 Fisher and Stephenson FS conjectured that the monomer-monomer correlation on the square lattice is rotationally invariant. In this paper we prove a closely related statement on the hexagonal lattice. Namely, we consider correlations of two quadromers (four-vertex subgraphs consisting of a monomer and its three neighbors) and show that they are rotationally invariant.
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