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Showing 1–2 of 2 results
Advanced filters: Author: Sungguen Ryu Clear advanced filters

  • The power generated by an ideal thermal machine cannot exceed the Carnot limit in classical physics. Here, Ryu et al., demonstrate that a periodically driven quantum chiral conductor can exhibit efficiencies beyond the Carnot limit while the second law of thermodynamics is preserved.

    • Sungguen Ryu
    • Rosa López
    • David Sánchez
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • The internal electron dynamics of submicrometre devices are hard to resolve because of bandwidth limitations of current measurement techniques. Here, the authors sample the 250 GHz coherent oscillation of a single-electron wave packet inside a quantum dot at 4.2 K employing a resonant level.

    • Gento Yamahata
    • Sungguen Ryu
    • Masaya Kataoka
    Research
    Nature Nanotechnology
    Volume: 14, P: 1019-1023