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Superconducting qubits

A qubit tames its environment

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A real qubit is not an isolated unitary quantum system but is subject to noise from its environment. An experiment has now turned this interaction on its head, controlling the environment using the qubit itself.

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Fig. 1: Polarization and measurement of two-level systems.

References

  1. Spiecker, M. et al. Nat. Phys. https://doi.org/10.1038/s41567-023-02082-8 (2023).

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Authors and Affiliations

  1. QTF Centre of Excellence, Department of Physics, Faculty of Science, University of Helsinki, Helsinki, Finland

    Bayan Karimi

  2. Pico group, QTF Centre of Excellence, Department of Applied Physics, Aalto University, Aalto, Finland

    Bayan Karimi & Jukka P. Pekola

Authors
  1. Bayan Karimi
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  2. Jukka P. Pekola
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Corresponding authors

Correspondence to Bayan Karimi or Jukka P. Pekola.

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The authors declare no competing interests.

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Karimi, B., Pekola, J.P. A qubit tames its environment. Nat. Phys. 19, 1236–1237 (2023). https://doi.org/10.1038/s41567-023-02094-4

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