A comparative study of the dynamic critical behavior of the four-state Potts like models

Abstract

We investigate the short-time critical dynamics of the Baxter-Wu (BW) and $n=3$ Turban (3TU) models to estimate their global persistence exponent ${\theta }_g$. We conclude that this new dynamical exponent can be useful in detecting differences between the critical behavior of these models which are very difficult to obtain in usual simulations. In addition, we estimate again the dynamical exponents of the four-state Potts (FSP) model in order to compare them with results previously obtained for the BW and 3TU models and to decide between two sets of estimates presented in the current literature. We also revisit the short-time dynamics of the 3TU model in order to check if, as already found for the FSP model, the anomalous dimension of the initial magnetization $x_0$ could be equal to zero.

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Cited by in corpus (4)

• Statistical mechanics of the Cluster-Ising model
• Time-dependent Monte Carlo simulations of the critical and Lifshitz points of the ANNNI model
• Non-equilibrium critical dynamics of the two-dimensional Ashkin-Teller model at the Baxter line
• Rigorous lower bound on dynamical exponents in gapless frustration-free systems