Nonequilibrium critical dynamics of the two-dimensional Ising model quenched from a correlated initial state

Laszlo Kornyei; Michel Pleimling; Ferenc Igloi

doi:10.1103/physreve.77.011127

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arXiv · 0710.2829

Nonequilibrium critical dynamics of the two-dimensional Ising model quenched from a correlated initial state

Laszlo Kornyei·Michel Pleimling·Ferenc Igloi

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Abstract

The universality class, even the order of the transition, of the two-dimensional Ising model depends on the range and the symmetry of the interactions (Onsager model, Baxter-Wu model, Turban model, etc.), but the critical temperature is generally the same due to self-duality. Here we consider a sudden change in the form of the interaction and study the nonequilibrium critical dynamical properties of the nearest-neighbor model. The relaxation of the magnetization and the decay of the autocorrelation function are found to display a power law behavior with characteristic exponents that depend on the universality class of the initial state.

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Laszlo Kornyei, Michel Pleimling, Ferenc Igloi. 2007-10-15. Nonequilibrium critical dynamics of the two-dimensional Ising model quenched from a correlated initial state. https://doi.org/10.1103/physreve.77.011127

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