Abstract
The delay Fokker-Planck equation is given for an asymmetry bistable system with correlated Gaussian white noises. The small delay approximation based on the probability density approach is used and the approximate stationary probability density function is obtained. The phenomenon of delay induced transitions is found. When a weak periodic signal is added, the phenomenon of stochastic resonance is investigated. Expression of the signal-to-noise ratio (SNR) is obtained by using the two-state theory. It is shown that the time delay can suppress or promote the stochastic resonance phenomenon.
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Zhang, H., Xu, W., Xu, Y. et al. Delay induced transitions in an asymmetry bistable system and stochastic resonance. Sci. China Phys. Mech. Astron. 53, 745–750 (2010). https://doi.org/10.1007/s11433-010-0157-3
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DOI: https://doi.org/10.1007/s11433-010-0157-3