Nontrivial stochastic resonance temperature for the kinetic Ising model

Details Nontrivial stochastic resonance temperature for the kinetic Ising model Nontrivial stochastic resonance temperature for the kinetic Ising model

1998-09-21

arxiv.org/abs/cond-mat/9809269v1

Phys. Rev. E, 59 (1999) 2730

Physics

Condensed Matter

Statistical Mechanics

6 pages, Revtex, 8 EPS figures

Scientific paper

10.1103/PhysRevE.59.2730

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.

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