Critical correlations in a Z-invariant inhomogeneous ising model

Helen Au-Yang and Jacques H.H. Perk

Physica A: Statistical Mechanics and its Applications, 1987, vol. 144, issue 1, 44-104

Abstract: We study the critical spin-spin correlation function in the Z-invariant inhomogeneous Ising model, which includes the rectangular, triangular, honeycomb, and checkerboard lattices as special cases. Using quadratic difference equations we derive various explicit representations for the correlation function, confirming and simplifying also a miraculous result of Baxter.

Date: 1987
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:144:y:1987:i:1:p:44-104

DOI: 10.1016/0378-4371(87)90145-2

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