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Experiments on critical phenomena in a noisy exit problem.

Research output: Contribution to journalJournal article

<mark>Journal publication date</mark>1997
<mark>Journal</mark>Physical Review Letters
Issue number11
Number of pages4
Pages (from-to)3109-3112
<mark>Original language</mark>English


We consider a noise-driven exit from a domain of attraction in a two-dimensional bistable system lacking detailed balance. Through analog and digital stochastic simulations, we find a theoretically predicted bifurcation of the most probable exit path as the parameters of the system are changed, and a corresponding nonanalyticity of the generalized activation energy. We also investigate the extent to which the bifurcation is related to the local breaking of time-reversal invariance.