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Deriving lower bounds on the efficiency of near-degenerate thermal machines via synchronization

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Title
Deriving lower bounds on the efficiency of near-degenerate thermal machines via synchronization
Author(s)
Taufiq Murtadho; Juzar Thingna; Sai Vinjanampathy
Publication Date
2023-07
Journal
Physical Review A, v.108, no.1
Publisher
American Physical Society
Abstract
We study the relationship between quantum synchronization and the thermodynamic performance of a four-level near-degenerate extension of the Scovil-Schulz-DuBois thermal maser. We show how the existence of interacting coherences can potentially modify the relationship between synchronization and the coherent power output of such a maser. In particular, the cooperation and competition between interacting coherences cause the coherent heat and efficiency to be bounded by the synchronization measure in addition to the well-studied power synchronization bound. Overall, our results highlight the role of quantum synchronization in the working of a thermal machine.
URI
https://pr.ibs.re.kr/handle/8788114/14095
DOI
10.1103/PhysRevA.108.012205
ISSN
2469-9926
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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