Quantum Performance of Thermal Machines over Many Cycles
Watanabe, Gentaro · Venkatesh, B. Prasanna · Talkner, Peter · del Campo, Adolfo
Original · EN
The performance of quantum heat engines is generally based on the analysis of a single cycle. We challenge this approach by showing that the total work performed by a quantum engine need not be proportional to the number of cycles. Furthermore, optimizing the engine over multiple cycles leads to the identification of scenarios with a quantum enhancement. We demonstrate our findings with a quantum Otto engine based on a two-level system as the working substance that supplies power to an external oscillator.
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