An autonomous single-piston engine with a quantum rotor

Roulet, Alexandre and Nimmrichter, Stefan and Taylor, Jacob M.. (2018) An autonomous single-piston engine with a quantum rotor. Quantum Science and Technology, 3 (3). 035008.

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Official URL: https://edoc.unibas.ch/68079/

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Pistons are elementary components of a wide variety of thermal engines, allowing to convert input fuel into rotational motion. Here, we propose a single-piston engine where the rotational degree of freedom is effectively realized by the flux of a Josephson loop-a quantum rotor-while the working volume corresponds to the effective length of a superconducting resonator. Our autonomous design implements a Carnot cycle, relies solely on standard thermal baths and can be implemented with circuit quantum electrodynamics. We demonstrate how the engine is able to extract a net positive work via its built-in synchronicity using a filter cavity as an effective valve, eliminating the need for external control.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Roulet, Alexandre
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:IOP Publishing
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Feb 2019 15:03
Deposited On:06 Feb 2019 15:03

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