Cited by 109Advanced Thermodynamics and Statistical MechanicsQuantum Information and CryptographyMechanical and Optical Resonators

Quantum heat engine based on photon-assisted Cooper pair tunneling

Open access
Hofer, Patrick P., Souquet, J.-R., Clerk, A. A.·2016·Physical Review B

Abstract

A voltage biased Josephson junction coupled to two microwave cavities which are in turn coupled to two ``hot'' and ``cold'' thermal environments, constitutes the proposal for the first thermoelectric heat engine where the heat current is completely separated from the electronic degrees of freedom.

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Integrity signals

Registry

Crossref · 10.1103/physrevb.93.041418

Cites

49 of 49 references verified0 citation errors · 0 not checkable

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  • As long as the efficiency is below the Carnot efficiency, the machine is a heat engine; at the Carnot efficiency it is reversible; above the Carnot efficiency it acts as a refrigerator.

    “As long as h h < C , our machine is thus a heat engine, h h = C denotes the point of reversibility, where all the energy currents vanish, and for h h > C , the machine acts as a refrigerator, using power to induce a heat current from the cold bath to the hot bath [44].”
  • For a bosonic bath with Ohmic spectrum, the local-validity inequalities are fulfilled as long as the inter-system coupling is much smaller than the oscillator frequency.

    “For a bosonic bath with Ohmic spectrum, the last equations are fulfilled as long as W a  g , which is usually the case for systems where the local approach is employed [38,44,46,51].”

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Research works printed but not linked: 2

  1. 33 V. Chandrasekhar, Supercond. Sci. Technol. 22 , 083001 (2009). http://stacks.iop.org/0953-2048/22/i=8/a=083001
  2. (Springer, 1992) pp. 21-107.

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Authors
Hofer, P. P., Souquet, J.-R., & Clerk, A. A.
Affiliations
McGill University (CA)
Venue
Physical Review B
Published
2016-01-22
Volume
93
Issue
4
ISSN
  • 2469-9950 (ISSN-L)
  • 2469-9969
OpenAlex
W2291707424
Cited by
109
References
49
Citations by year
2026: 3 · 2025: 9 · 2024: 8 · 2023: 9 · 2022: 11 · 2021: 9 · 2020: 10 · 2019: 14 · 2018: 12 · 2017: 16 · 2016: 8
FWCI
9.42
Type
journal article
Language
en
Open access
Locations
  • Physical review. B./Physical review. B (publishedVersion)
  • arXiv (Cornell University) (publishedVersion)
  • edoc (University of Basel) (submittedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • Natural Sciences and Engineering Research Council of Canada
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Thermodynamics and Statistical Mechanics
  • Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Mechanical and Optical Resonators
Keywords
quantum heat engines, photon-assisted tunneling, Cooper pair tunneling, Josephson junctions, microwave cavity, heat current, thermal environment, bias voltage

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