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Showing 1–6 of 6 results
Advanced filters: Author: P. Joyez Clear advanced filters
  • DC-powered microwave amplifiers approach the quantum noise limit by using the interaction between microwave radiation and inelastic Cooper-pair tunnelling across a voltage-biased Josephson junction.

    • S. Jebari
    • F. Blanchet
    • M. Hofheinz
    Research
    Nature Electronics
    Volume: 1, P: 223-227
  • Although carbon nanotubes are not superconductors they can carry supercurrents injected from superconducting contacts. Analysis of the tunnelling spectra of a nanotube connecting two superconductors reveals the detailed electronic structure of discrete entangled electron–hole states that carry the resulting supercurrent.

    • J-D. Pillet
    • C. H. L. Quay
    • P. Joyez
    Research
    Nature Physics
    Volume: 6, P: 965-969
  • The predicted dissipative quantum phase transition in a Josephson junction coupled to resistive environment has been examined in recent experiments. In a heat transport experiment, Subero et al. show that the junction acts as an inductor at high frequencies, while DC charge transport confirms insulating behaviour.

    • Diego Subero
    • Olivier Maillet
    • Jukka P. Pekola
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8
  • The ability to produce spin-polarized currents in a quantum wire is crucial for spin-based electronics. Fortunately, the spin–orbit interaction can be exploited to deliver pure spin currents, without charge currents, that travel in one direction only.

    • C. H. L. Quay
    • T. L. Hughes
    • R. de Picciotto
    Research
    Nature Physics
    Volume: 6, P: 336-339