• DOI:10.1209/0295-5075/119/50003
Corpus ID: 67779359

Underdamped stochastic heat engine at maximum efficiency

@article{Dechant2016UnderdampedSH,
  title={Underdamped stochastic heat engine at maximum efficiency},
  author={A. Dechant and N. Kiesel and E. Lutz},
  journal={arXiv: Statistical Mechanics},
  year={2016}
}

A. Dechant, N. Kiesel, E. Lutz

Published 2016

Physics

arXiv: Statistical Mechanics

We investigate the performance of an underdamped stochastic heat engine for a time-dependent harmonic oscillator. We analytically determine the optimal protocol that maximizes the efficiency at fixed power. The maximum efficiency reduces to the Curzon-Ahlborn formula at maximum power and the Carnot formula at zero power. We further establish that the efficiency at maximum power is universally given by the Curzon-Ahlborn efficiency in the weakly damped regime. Finally, we show that even small… CONTINUE READING

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