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Showing 1–9 of 9 results
Advanced filters: Author: Leonid Lev Clear advanced filters

  • A superconducting diode effect was recently reported in Nb/V/Ta superlattices, but the mechanism is not yet clear. Here, the authors study non-reciprocal critical current in Al/InAs nanowires and propose a generic extrinsic mechanism involving field-generated diamagnetic currents, which may explain the earlier Nb/V/Ta results.

    • Ananthesh Sundaresh
    • Jukka I. Väyrynen
    • Leonid P. Rokhinson
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • In an ultracold, superfluid Fermi gas, measurements of second sound — a wave in which the superfluid and normal components of the gas oscillate in antiphase — make it possible to determine the temperature dependence of the superfluid fraction.

    • Leonid A. Sidorenkov
    • Meng Khoon Tey
    • Sandro Stringari
    Research
    Nature
    Volume: 498, P: 78-81

  • Experimental measurements of high-order out-of-time-order correlators on a superconducting quantum processor show that these correlators remain highly sensitive to the quantum many-body dynamics in quantum computers at long timescales.

    • Dmitry A. Abanin
    • Rajeev Acharya
    • Nicholas Zobrist
    ResearchOpen Access
    Nature
    Volume: 646, P: 825-830

  • Two below-threshold surface code memories on superconducting processors markedly reduce logical error rates, achieving high efficiency and real-time decoding, indicating potential for practical large-scale fault-tolerant quantum algorithms.

    • Rajeev Acharya
    • Dmitry A. Abanin
    • Nicholas Zobrist
    ResearchOpen Access
    Nature
    Volume: 638, P: 920-926

  • A deeper understanding of the coupling at the interface of multiferroics heterostructures is being achieved by the use of synchrotron radiation techniques. Here, the authors use k-resolved soft X-ray photoemission spectroscopy and first principles calculations to investigate the band structure of several multiferroic heterostructures, isolating the distinct signature of the interface.

    • Marius Adrian Husanu
    • Dana Georgeta Popescu
    • Vladimir N. Strocov
    ResearchOpen Access
    Communications Physics
    Volume: 5, P: 1-9