The mean first-passage time for an asymmetric bistable system driven by multiplicative and additive noise with colored correlations

Ning Li-Juan; Xu Wei; Yang Xiao-Li

doi:10.7498/aps.56.25

Abstract
In this paper,the effects of colored correlations and asymmetry of the potential on the mean first-passage time(MFPT) are investigated for an asymmetric bistable system driven by multiplicative noise and additive noise.Numerical results show that the intensities of multiplicative and additive noises and the cross-correlation time τ affect the MFPT in the same way,the coupling strength λ and asymmetry r of the potential affected the MFPT in the same way.The increase of τ enhances the escape rate,while increase of λ reduces the escape rate.

Keywords:
mean first-passage time /

asymmetric bistable system /

colored correlation /

cross-correlation strength
Authors and contacts
Ning Li-Juan²,

Xu Wei¹,

Yang Xiao-Li²

(1)西北工业大学应用数学系，西安 710072; (2)西北工业大学应用数学系，西安 710072；陕西师范大学数学与信息科学学院，西安 710062
References

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Vol. 56, Issue 1 - 2007-01-05

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The mean first-passage time for an asymmetric bistable system driven by multiplicative and additive noise with colored correlations

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The mean first-passage time for an asymmetric bistable system driven by multiplicative and additive noise with colored correlations

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