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Phase transitions of the q-state Potts model on multiply-laced Sierpinski gaskets

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Abstract

We present an exact solution of the q-state Potts model on a class of generalized Sierpinski fractal lattices. The model is shown to possess an ordered phase at low temperatures and a continuous transition to the high temperature disordered phase at any q ≥ 1. Multicriticality is observed in the presence of a symmetry-breaking field. Exact renormalization group analysis yields the phase diagram of the model and a complete set of critical exponents at various transitions.

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Tian, L., Ma, H., Guo, W. et al. Phase transitions of the q-state Potts model on multiply-laced Sierpinski gaskets. Eur. Phys. J. B 86, 197 (2013). https://doi.org/10.1140/epjb/e2013-40173-5

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  • DOI: https://doi.org/10.1140/epjb/e2013-40173-5

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