Ashkin-Teller model on the iso-radial graphs
Statistical Mechanics
2015-03-13 v1
Abstract
We find the critical surface of the Ashkin-Teller model on the generic iso-radial graphs by using the results for the anisotropic Ashkin-teller model on the square lattice. Different geometrical aspects of this critical surface are discussed, especially their connection to the anisotropy angle. The free energy of the model on the generic iso-radial graph is extracted using the inversion identities. In addition, lattice holomorphic variables are discussed at some particular points of the critical line. We check our conjectures numerically for the anisotropic triangular-lattice Ashkin-Teller model.
Keywords
Cite
@article{arxiv.1003.6080,
title = {Ashkin-Teller model on the iso-radial graphs},
author = {S. Lottini and M. A. Rajabpour},
journal= {arXiv preprint arXiv:1003.6080},
year = {2015}
}
Comments
27 pages, 14 figures.