Are quantum thermodynamic machines better than their classical counterparts?
arXiv:1804.05659 · doi:10.1140/epjst/e2019-800060-7
Abstract
Interesting effects arise in cyclic machines where both heat and ergotropy transfer take place between the energising bath and the system (the working fluid). Such effects correspond to unconventional decompositions of energy exchange between the bath and the system into heat and work, respectively, resulting in efficiency bounds that may surpass the Carnot efficiency. However, these effects are not directly linked with quantumness, but rather with heat and ergotropy, the likes of which can be realised without resorting to quantum mechanics.
arXiv commentShort review on quantum engines powered by thermal and non-thermal baths
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