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5 October 2023 Gate controlled supercurrent and anomalous Josephson effects
Mario Cuoco
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Proceedings Volume PC12656, Spintronics XVI; PC126561B (2023) https://doi.org/10.1117/12.2676130
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
The control of the superconducting state by gate voltage or electric field is a timely challenge for the development of novel superconducting electronics with low energy dissipation and ultrafast speed. Two-dimensional (2D) superconductors or nanowires are particularly relevant in this context. They offer innovative opportunities to study and tailor superconducting order parameters as they inherently lack inversion symmetry, in the presence of Rashba-type spin-orbit coupling, and allow large electrostatic tuning of charge carrier density and bands occupation. Here, we present the mechanisms of gate controlled supercurrent and the occurrence of anomalous Josephson effects and phase frustration dynamics in metallic nanowires and in 2D oxides.
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Mario Cuoco "Gate controlled supercurrent and anomalous Josephson effects", Proc. SPIE PC12656, Spintronics XVI, PC126561B (5 October 2023); https://doi.org/10.1117/12.2676130
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KEYWORDS
Superconductors
Quantum logic gates
Nanowires
Electric fields
Oxides
Quantum gates
Quantum interferometry
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