Journal
NEW JOURNAL OF PHYSICS
Volume 13, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/13/12/123019
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Funding
- MOSAICO (Spanish Government)
- MODELICO (Comunidad de Madrid)
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Feedback can be utilized to convert information into useful work, making it an effective tool for increasing the performance of thermodynamic engines. Using feedback reversibility as a guiding principle, we devise a method for designing optimal feedback protocols for thermodynamic engines that extracts all the information gained during feedback as work. Our method is based on the observation that in a feedback-reversible process the measurement and the time-reversal of the ensuing protocol both prepare the system in the same probabilisticstate. We illustrate the utility of our method with two examples of the multi-particle Szilard engine.
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