Nontrivial stochastic resonance temperature for the kinetic Ising model
Abstract
The kinetic Ising model in a weak oscillating magnetic field is studied in the context of stochastic resonance. The signal-to-noise ratio calculated with simulations is found to peak at a nontrivial resonance temperature above the equilibrium critical temperature Tc. We argue that its appearance is closely related to the vanishing of the kinetic coefficient at Tc. Comparisons with various theoretical results in one and higher dimensions are made.
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