Yang-Lee zeros of the Q-state Potts model in the complex magnetic-field plane

Abstract

The microcanonical transfer matrix is used to study the distribution of Yang-Lee zeros of the $Q$-state Potts model in the complex magnetic-field ($x=e^{\beta h}$) plane for the first time. Finite size scaling suggests that at (and below) the critical temperature the zeros lie close to, but not on, the unit circle with the two exceptions of the critical point $x=1$ ($h=0$) itself and the zeros in the limit T=0.

REVTeX, 12 pages, 5 figures, to appear in Phys. Rev. Lett

References in corpus (2)

• Study of the Potts Model on the Honeycomb and Triangular Lattices: Low-Temperature Series and Partition Function Zeros
• Complex-Temperature Partition Function Zeros of the Potts Model on the Honeycomb and Kagomé Lattices

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