Noise-induced bistability in a simple mutual inhibition system.
basic_science · Level V
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- Record sourced from PubMed, PMID 37723728.
- Also identified by DOI 10.1103/PhysRevE.108.024108.
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Abstract
In this study, we study noise-induced bistability in a simple bivariate mutual inhibition system with slow fluctuating responses to external signals. We give a general condition that the marginal stationary probability density of one of the two variables experiences a transition from a unimodal shape to a bimodal one. We show that the transition occurs even when the stationary probability density of the response to external signals is monotone. The mechanism for the transition is investigated in terms of the calculation of the mean first passage time. We also discuss the genericity of the transition mechanism.