Quantum heat engine based on photon-assisted Cooper pair tunneling

Hofer, Patrick P. and Souquet, J. -R. and Clerk, A. A.. (2016) Quantum heat engine based on photon-assisted Cooper pair tunneling. Physical Review B, 93 (4). 041418.

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Official URL: https://edoc.unibas.ch/82991/

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We propose and analyze a simple mesoscopic quantum heat engine that exhibits both high power and high efficiency. The system consists of a biased Josephson junction coupled to two microwave cavities, with each cavity coupled to a thermal bath. Resonant Cooper pair tunneling occurs with the exchange of photons between cavities, and a temperature difference between the baths can naturally lead to a current against the voltage, and hence work. As a consequence of the unique properties of Cooper-pair tunneling, the heat current is completely separated from the charge current. This combined with the strong energy selectivity of the process leads to an extremely high efficiency.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretical Quantum Physics (Potts)
UniBasel Contributors:Potts, Patrick
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:26 May 2021 07:15
Deposited On:11 May 2021 08:24

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