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 T_c. We argue that its appearance is closely related to the vanishing of the kinetic coefficient at T_c. Comparisons with various theoretical results in one and higher dimensions are made.

6 pages, Revtex, 8 EPS figures

References in corpus (2)

• Kinetic Ising model in an oscillating field: Finite-size scaling at the dynamic phase transition
• Response in kinetic Ising model to oscillating magnetic fields

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• Heuristic derivation of continuum kinetic equations from microscopic dynamics
• Spatial stochastic resonance in 1D Ising systems
• Dynamic transition and resonance in current-driven arrays of Josephson junctions
• Double stochastic resonance in the mean-field $q$-state clock models
• Dynamic transitions and resonances in Josephson-junction arrays under oscillating magnetic fields
• Spatial competition and the dynamics of rarity in a temporally varying environment
• Entropic sampling dynamics of the globally-coupled kinetic Ising model