Partition function zeros for the two-dimensional Ising model VI

John Stephenson

Physica A: Statistical Mechanics and its Applications, 1989, vol. 154, issue 2, 324-343

Abstract: Special features of the complex temperature zeros of the partition function of the two-dimensional Ising model on completely anisotropic triangular lattices with all “odd” interactions, such as one with interaction ratios 5:3:1, are investigated. A bifurcation of one of the boundary lines at the imaginary axis occurs. An analytical explanation of this bifurcation is provided, and the algebraic reduction of the bifurcation eliminant to a symmetrical form is reported. Also, the end-points of lines of pure imaginary zeros are related to the critical point and disorder point equations.

Date: 1989
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:154:y:1989:i:2:p:324-343

DOI: 10.1016/0378-4371(89)90016-2

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