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Showing 1–6 of 6 results
Advanced filters: Author: Sergei Gronin Clear advanced filters

  • The behaviour of a superconductor can be altered by changing its symmetry properties. Coherently coupling two Josephson junctions breaks time-reversal and inversion symmetries, giving rise to a device with a controllable superconducting diode effect.

    • Sadashige Matsuo
    • Takaya Imoto
    • Seigo Tarucha
    Research
    Nature Physics
    Volume: 19, P: 1636-1641

  • A device architecture based on indium arsenide–aluminium heterostructures with a gate-defined superconducting nanowire allows single-shot interferometric measurement of fermion parity and demonstrates an assignment error probability of 1%.

    • Morteza Aghaee
    • Alejandro Alcaraz Ramirez
    • Justin Zilke
    ResearchOpen Access
    Nature
    Volume: 638, P: 651-655

  • S. Matsuo et al. report tunneling spectroscopy measurements on a device consisting of two Josephson junctions (JJ) sharing a single superconducting electrode. In isolation, each JJ would host an Andreev bound state (ABS). In their coherently-coupled JJs, the authors report the formation of an Andreev molecule due to hybridization of the two ABSs.

    • Sadashige Matsuo
    • Takaya Imoto
    • Seigo Tarucha
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Diodes exhibit non-reciprocal current–voltage relations, that is, the resistivity depends on the direction of the current flow. Now an array of Josephson junctions with large spin–orbit interaction acts as the superconducting version of a diode, where dissipation-free supercurrent flows in one direction, but not the other.

    • Christian Baumgartner
    • Lorenz Fuchs
    • Christoph Strunk
    Research
    Nature Nanotechnology
    Volume: 17, P: 39-44