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Superinsulator and quantum synchronization

Author

Listed:
  • Valerii M. Vinokur

    (Argonne National Laboratory, Argonne, Illinois 60439, USA)

  • Tatyana I. Baturina

    (Argonne National Laboratory, Argonne, Illinois 60439, USA
    Institute of Semiconductor Physics, 630090, Novosibirsk, Russia
    Institut für experimentelle und angewandte Physik, Universität Regensburg)

  • Mikhail V. Fistul

    (Theoretische Physik III, Ruhr-Universität Bochum, D-44801 Bochum, Germany)

  • Aleksey Yu. Mironov

    (Institute of Semiconductor Physics, 630090, Novosibirsk, Russia
    Institut für experimentelle und angewandte Physik, Universität Regensburg)

  • Mikhail R. Baklanov

    (IMEC, Kapeldreef 75, B-3001 Leuven, Belgium)

  • Christoph Strunk

    (Institut für experimentelle und angewandte Physik, Universität Regensburg)

Abstract

Better than insulating The introduction of disorder into thin superconducting films induces a droplet-like electronic texture, with superconducting islands immersed in a normal matrix. By fine-tuning this disorder, the system can be transformed from superconductor to insulator. A paper in this issue presents experimental evidence for the involvement of a previously uncharacterized 'superinsulating' state of matter in this process, a 'mirror image' equivalent of a superconductor with infinite resistance. During the transition from superconductor to insulator, a distinct conductivity state is formed, a Cooper-pair insulator, with thermally activated conductivity. Experiments in titanium nitride films show that at a certain finite temperature, a Cooper-pair insulator becomes a superinsulator, a state resembling superconductivity in that it is destroyed by a sufficiently strong critical magnetic field, and breaks down at some critical voltage.

Suggested Citation

  • Valerii M. Vinokur & Tatyana I. Baturina & Mikhail V. Fistul & Aleksey Yu. Mironov & Mikhail R. Baklanov & Christoph Strunk, 2008. "Superinsulator and quantum synchronization," Nature, Nature, vol. 452(7187), pages 613-615, April.
    • Handle: RePEc:nat:nature:v:452:y:2008:i:7187:d:10.1038_nature06837
    DOI: 10.1038/nature06837
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    Cited by:

    1. V. Humbert & M. Ortuño & A. M. Somoza & L. Bergé & L. Dumoulin & C. A. Marrache-Kikuchi, 2021. "Overactivated transport in the localized phase of the superconductor-insulator transition," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Luca Pezzè & Klejdja Xhani & Cyprien Daix & Nicola Grani & Beatrice Donelli & Francesco Scazza & Diego Hernandez-Rajkov & Woo Jin Kwon & Giulia Del Pace & Giacomo Roati, 2024. "Stabilizing persistent currents in an atomtronic Josephson junction necklace," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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