Stochastic resonance in the driven Ising model on small-world networks

Abstract

We investigate the stochastic resonance phenomena in the field-driven Ising model on small-world networks. The response of the magnetization to an oscillating magnetic field is examined by means of Monte Carlo dynamic simulations, with the rewiring probability varied. At any finite value of the rewiring probability, the system is found to undergo a dynamic phase transition at a finite temperature, giving rise to double resonance peaks. While the peak in the ferromagnetic phase grows with the rewiring probability, that in the paramagnetic phase tends to reduce, indicating opposite effects of the long-range interactions on the resonance in the two phases.

to be published in Phys. Rev. E

References in corpus (3)

• Statistical mechanics of complex networks
• Synchronization on small-world networks
• Double stochastic resonance peaks in systems with dynamic phase transitions

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• Enhanced signal propagation in a network with unidirectional and random couplings