Dynamical phase transition and stochastic resonance in the kinetic Ising model

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  • 1 September 1998
Abstract
The dynamic phase transition has been studied in the two dimensional kinetic Ising model in presence of a time varying (sinusoidal) magnetic field by Monte Carlo simulation. The nature (continuous or discontinuous) of the transition is characterised by studying the distribution of the order parameter and the temperature variation of the fourth order cumulant. For the higher values of the field amplitude the transition observed is discontinuous and it is continuous for lower values of the field amplitude, indicating the existence of a tricritical point (separating the nature of transition) on the phase boundary. The transition is observed to be a manifestation of stochastic resonance.

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