Superconducting Quantum Interference Single-Electron Transistor

Abstract

We propose the concept of a quantized single-electron source based on the interplay between Coulomb blockade and magnetic flux-controllable superconducting proximity effect. We show that flux dependence of the induced energy gap in the density of states of a nanosized metallic wire can be exploited as an efficient tunable energy barrier which enables charge pumping configurations with enhanced functionalities. This control parameter strongly affects the charging landscape of a normal metal island with non-negligible Coulombic energy. Under a suitable evolution of a time-dependent magnetic flux the structure behaves likewise a turnstile for single electrons in a fully electrostatic regime.

arXiv comment6 pages, 4 colour figures

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Cited by in corpus (8)

• Phase-tunable thermal rectification in the topological SQUIPT
• Reversible thermal diode and energy harvester with a superconducting quantum interference single-electron transistor
• A Topological SQUIPT based on helical edge states in proximity to superconductors
• Thermoelectric processes of quantum normal-superconductor interfaces
• Phase-driven charge manipulation in Hybrid Single-Electron Transistor
• Temperature-biased double-loop Josephson flux transducer
• Single charge transport in a fully superconducting SQUISET locally tuned by self-inductance effects
• Flux pumping of Cooper pairs through a Josephson Energy-Suppression Pump