A quantum enhanced finite-time Otto cycle
Quantum Physics
2020-07-17 v2 Statistical Mechanics
Abstract
We use fast periodic control to realize finite-time Otto cycles exhibiting quantum advantage. Such periodic modulation of the working medium - bath interaction Hamiltonian during the thermalization strokes can give rise to non-Markovian anti-Zeno dynamics, and corresponding reduction in the thermalization times. Faster thermalization can in turn significantly enhance the power output in engines, or equivalently, the rate of refrigeration in refrigerators. This improvement in performance of dynamically controlled Otto thermal machines arises due to the time-energy uncertainty relation of quantum mechanics.
Cite
@article{arxiv.2004.08155,
title = {A quantum enhanced finite-time Otto cycle},
author = {Arpan Das and Victor Mukherjee},
journal= {arXiv preprint arXiv:2004.08155},
year = {2020}
}
Comments
12 pages, 13 figures. Close to published version