Universality of maximum-work efficiency of a cyclic heat engine based on a finite system of ultracold atoms


We study the performance of a cyclic heat engine which uses a small system with a finite number of ultracold atoms as its working substance and works between two heat reservoirs at constant temperatures T h and T c (<T h ). Starting from the expression of heat capacity which includes finite-size effects, the work output is optimized with respect to the… (More)
DOI: 10.1038/s41598-017-06615-z

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