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

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

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...

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Bibliographic Details
Main Authors: Murtadho, Taufiq, Thingna, Juzar, Vinjanampathy, Sai
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2023
Subjects:
Science::Physics
Low Bound
Thermal Machines
Online Access:https://hdl.handle.net/10356/171752
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Institution: Nanyang Technological University
Language: English
Description
Summary: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.

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