EAN: 9783731509561

Bilder-Quelle: discount24.de - Sport-Freizeit

We investigate superconducting granular aluminum (grAl) as a promising material for quantum circuits. We show that grAl strips can reach kinetic inductances up to nH sq while maintaining small microwave frequency losses. We identify excess quasiparticles as a limiting loss mechanism and find quasiparticle relaxation times on the order of seconds. By fabricating a fluxonium quantum bit with a grAl superinductor we demonstrate that grAl is a viable material for superconducting quantum circuits.

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04.11.2025 um 09:04 Uhr

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