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Dynamic phase transitions in the presence of quenched randomness

2018/06/25 by Erol Vatansever, Nikolaos G. Fytas · 1 citation
Physics and Astronomy · #cond-mat.stat-mech

paper · pdf · doi:10.1103/physreve.97.062146

published as Phys. Rev. E 97, 062146 (2018) · 28 pages, 12 figures, version to be published in Physical Review E (minor title correction)

arxiv created 2018/06/25 · arxiv updated 2018/06/26

Abstract

We present an extensive study of the effects of quenched disorder on the dynamic phase transitions of kinetic spin models in two dimensions. We undertake a numerical experiment performing Monte Carlo simulations of the square-lattice random-bond Ising and Blume-Capel models under a periodically oscillating magnetic field. For the case of the Blume-Capel model we analyze the universality principles of the dynamic disordered-induced continuous transition at the low-temperature regime of the phase diagram. A detailed finite-size scaling analysis indicates that both nonequilibrium phase transitions belong to the universality class of the corresponding equilibrium random Ising model.

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