IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v12y2021i1d10.1038_s41467-021-22222-z.html
   My bibliography  Save this article

A quantum heat engine driven by atomic collisions

Author

Listed:
  • Quentin Bouton

    (Technische Universität Kaiserslautern)

  • Jens Nettersheim

    (Technische Universität Kaiserslautern)

  • Sabrina Burgardt

    (Technische Universität Kaiserslautern)

  • Daniel Adam

    (Technische Universität Kaiserslautern)

  • Eric Lutz

    (University of Stuttgart)

  • Artur Widera

    (Technische Universität Kaiserslautern)

Abstract

Quantum heat engines are subjected to quantum fluctuations related to their discrete energy spectra. Such fluctuations question the reliable operation of thermal machines in the quantum regime. Here, we realize an endoreversible quantum Otto cycle in the large quasi-spin states of Cesium impurities immersed in an ultracold Rubidium bath. Endoreversible machines are internally reversible and irreversible losses only occur via thermal contact. We employ quantum control to regulate the direction of heat transfer that occurs via inelastic spin-exchange collisions. We further use full-counting statistics of individual atoms to monitor quantized heat exchange between engine and bath at the level of single quanta, and additionally evaluate average and variance of the power output. We optimize the performance as well as the stability of the quantum heat engine, achieving high efficiency, large power output and small power output fluctuations.

Suggested Citation

  • Quentin Bouton & Jens Nettersheim & Sabrina Burgardt & Daniel Adam & Eric Lutz & Artur Widera, 2021. "A quantum heat engine driven by atomic collisions," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22222-z
    DOI: 10.1038/s41467-021-22222-z
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-021-22222-z
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-021-22222-z?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Kumar, Ashutosh & Lahiri, Sourabh & Bagarti, Trilochan & Banerjee, Subhashish, 2023. "Thermodynamics of one and two-qubit nonequilibrium heat engines running between squeezed thermal reservoirs," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 623(C).
    2. Sarmah, Manash Jyoti & Goswami, Himangshu Prabal, 2023. "Learning coherences from nonequilibrium fluctuations in a quantum heat engine," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 627(C).
    3. Villegas, Vladimir P. & Villagonzalo, Cristine D., 2022. "Refrigeration using magnetocaloric and electrocaloric effects in a Fermi–Hubbard optical dimer exposed to a heat bath," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 600(C).

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22222-z. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.