Efficiency of a microscopic heat engine subjected to stochastic resetting
arXiv:2308.15212 · doi:10.1103/PhysRevE.109.014129
Abstract
We explore the thermodynamics of stochastic heat engines in presence of stochastic resetting. The set-up comprises an engine whose working substance is a Brownian particle undergoing overdamped Langevin dynamics in a harmonic potential with a time-dependent stiffness, with the dynamics interrupted at random times with a resetting to a fixed location. The effect of resetting to the potential minimum is shown to enhance the efficiency of the engine, while the output work is shown to have a non-monotonic dependence on the rate of resetting. The resetting events are found to drive the system out of linear response regime even for small differences in the bath temperatures. Shifting the reset point from the potential minimum is observed to reduce the engine efficiency. The experimental set-up for the realization of such an engine is briefly discussed.
arXiv comment13 pages, 7 figures
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