Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145442
Title: Quantum synchronization in nanoscale heat engines
Authors: Jaseem, Noufal
Hajdušek, Michal
Vedral, Vlatko
Fazio, Rosario
Kwek, Leong-Chuan
Vinjanampathy, Sai
Keywords: Science::Physics
Issue Date: 2020
Source: Jaseem, N., Hajdušek, M., Vedral, V., Fazio, R., Kwek, L.-C. & Vinjanampathy, S. (2020). Quantum synchronization in nanoscale heat engines. Physical Review E, 101(2), 020201-. doi:10.1103/PhysRevE.101.020201
Project: NRF-CRP14-2014-02 
16IRCCSG019 
ECR/2018/000957 
Journal: Physical Review E 
Abstract: Owing to the ubiquity of synchronization in the classical world, it is interesting to study its behavior in quantum systems. Though quantum synchronization has been investigated in many systems, a clear connection to quantum technology applications is lacking. We bridge this gap and show that nanoscale heat engines are a natural platform to study quantum synchronization and always possess a stable limit cycle. Furthermore, we demonstrate an intimate relationship between the power of a coherently driven heat engine and its phase-locking properties by proving that synchronization places an upper bound on the achievable steady-state power of the engine. We also demonstrate that such an engine exhibits finite steady-state power if and only if its synchronization measure is nonzero. Finally, we show that the efficiency of the engine sets a point in terms of the bath temperatures where synchronization vanishes. We link the physical phenomenon of synchronization with the emerging field of quantum thermodynamics by establishing quantum synchronization as a mechanism of stable phase coherence.
URI: https://hdl.handle.net/10356/145442
ISSN: 2470-0045
DOI: 10.1103/PhysRevE.101.020201
Rights: © 2020 American Physical Society. All rights reserved. This paper was published in Physical Review E and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:IAS Journal Articles

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