Abstract
A one-step real-space renormalization group (RSRG) transformation is used to study the ferromagnetic (FM) Potts model on the two-dimensional (2D) octagonal quasi-periodic tiling (OQT). The critical exponents of the correlation length in theq=1,2,3,4 cases and the crtitical surface of the Ising model are obtained. The results are discussed by comparing with previous results on the OQT and the square lattice (SQL).
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Supported by the National Natural Science Foundation of China (No. 19334011-C)
Xiong Gang: born in 1973, Ph.D graduate student
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Gang, X., Zhehua, Z. & Decheng, T. Real-space renormalization group approach of the Potts model on the octagonal quasi-periodic tiling. Wuhan Univ. J. Nat. Sci. 3, 293–296 (1998). https://doi.org/10.1007/BF02829977
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DOI: https://doi.org/10.1007/BF02829977