2024
DOI: 10.1088/2058-9565/ad8fc9
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Extracting work from coherence in a two-mode Bose–Einstein condensate

L A Williamson,
F Cerisola,
J Anders
et al.

Abstract: We show how work can be extracted from number-state coherence in a two-mode Bose-Einstein condensate. With careful tuning of parameters, a sequence of thermodynamically reversible steps transforms a Glauber coherent state into a thermal state with the same energy probability distribution. The work extracted during this process arises entirely from the removal of quantum coherence. More generally, we characterise quantum (from coherence) and classical (remaining) contributions to work output, and find that in th… Show more

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