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Title: Deriving lower bounds on the efficiency of near-degenerate thermal machines via synchronization
Authors: Murtadho, Taufiq
Thingna, Juzar
Vinjanampathy, Sai
Keywords: Science::Physics
Issue Date: 2023
Source: Murtadho, T., Thingna, J. & Vinjanampathy, S. (2023). Deriving lower bounds on the efficiency of near-degenerate thermal machines via synchronization. Physical Review A, 108(1), 012205-1-012205-11.
Journal: Physical Review A 
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, causes 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.
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.108.012205
Schools: School of Physical and Mathematical Sciences 
Rights: © 2023 American Physical Society. All rights reserved. This article may be downloaded for personal use only. Any other use requires prior permission of the copyright holder. The Version of Record is available online at
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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