Complex-Temperature Partition Function Zeros of the Potts Model on the Honeycomb and Kagomé Lattices

Abstract

We calculate complex-temperature (CT) zeros of the partition function for the $q$-state Potts model on the honeycomb and kagomé lattices for several values of $q$. These give information on the CT phase diagrams. A comparison of results obtained for different boundary conditions and a discussion of some CT singularities are given. Among other results, our findings show that the Potts antiferromagnet with $q=4$ and $q=5$ on the kagomé lattice has no phase transition at either finite or zero temperature.

28 pages, Revtex, 18 encapsulated postscript figures, Phys. Rev. E, in press

References in corpus (1)

• A Mapping Relating Complex and Physical Temperatures in the 2D $q$-state Potts Model and Some Applications

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