Tian, Liang; Ma, Hui; Guo, Wenan; Tang, Lei-Han - In: The European Physical Journal B - Condensed Matter and … 86 (2013) 5, pp. 1-6
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...