Abstract.
Based on a simple microscopic model where the bath is in a non-equilibrium state we study the escape from a metastable state in the over-damped limit. Making use of Fokker-Planck-Smoluchowski description we derive the time dependent escape rate in the non-stationary regime in closed analytical form which brings on to fore a strong non-exponential kinetic of the system mode.
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Ray Chaudhuri, J., Barik, D. & Banik, S. Nonequilibrium fluctuation induced escape from a metastable state. Eur. Phys. J. B 55, 333–336 (2007). https://doi.org/10.1140/epjb/e2007-00061-3
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DOI: https://doi.org/10.1140/epjb/e2007-00061-3