Logarithmic corrections and universal amplitude ratios in the 4-state Potts model

B. Berche, P. Butera, L. Shchur

Physics Procedia 7 (2010) 7–18

arXiv:0707.3317v1 [cond-mat.stat-mech]


Monte Carlo and series expansion data for the energy, specific heat, magnetisation and susceptibility of the 4-state Potts model in the vicinity of the critical point are analysed. The role of logarithmic corrections is discussed. Estimates of universal ratios A_+/A_-, $\Gamma_+/\Gamma_L$, $\Gamma_T/\Gamma_L$ and R_c^+ are given.

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