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Quantum back-action-evading measurement of motion in a negative mass reference frame

Author

Listed:
  • Christoffer B. Møller

    (Niels Bohr Institute, University of Copenhagen)

  • Rodrigo A. Thomas

    (Niels Bohr Institute, University of Copenhagen)

  • Georgios Vasilakis

    (Niels Bohr Institute, University of Copenhagen
    Institute for Electronic Structure and Laser, Foundation for Research and Technology-Hellas)

  • Emil Zeuthen

    (Niels Bohr Institute, University of Copenhagen
    Institute for Theoretical Physics and Institute for Gravitational Physics (Albert Einstein Institute), Leibniz Universität Hannover)

  • Yeghishe Tsaturyan

    (Niels Bohr Institute, University of Copenhagen)

  • Mikhail Balabas

    (Niels Bohr Institute, University of Copenhagen
    St Petersburg State University)

  • Kasper Jensen

    (Niels Bohr Institute, University of Copenhagen)

  • Albert Schliesser

    (Niels Bohr Institute, University of Copenhagen)

  • Klemens Hammerer

    (Institute for Theoretical Physics and Institute for Gravitational Physics (Albert Einstein Institute), Leibniz Universität Hannover)

  • Eugene S. Polzik

    (Niels Bohr Institute, University of Copenhagen)

Abstract

By coupling a mechanical object to an ensemble of atomic spins with negative effective mass, the object’s position can be measured without the usual quantum back-action perturbation of its momentum.

Suggested Citation

  • Christoffer B. Møller & Rodrigo A. Thomas & Georgios Vasilakis & Emil Zeuthen & Yeghishe Tsaturyan & Mikhail Balabas & Kasper Jensen & Albert Schliesser & Klemens Hammerer & Eugene S. Polzik, 2017. "Quantum back-action-evading measurement of motion in a negative mass reference frame," Nature, Nature, vol. 547(7662), pages 191-195, July.
    • Handle: RePEc:nat:nature:v:547:y:2017:i:7662:d:10.1038_nature22980
    DOI: 10.1038/nature22980
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    Cited by:

    1. Jun Jia & Valeriy Novikov & Tulio Brito Brasil & Emil Zeuthen & Jörg Helge Müller & Eugene S. Polzik, 2023. "Acoustic frequency atomic spin oscillator in the quantum regime," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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