electron-phonon interaction 1normal metal films 1phonon down-conversion 1quasiparticle poisoning 1superconducting devices 1
From the 1 of 2 linked papers with an AI index.
2 papers
quant-ph2026
Quasiparticle-induced transitions in a fluxonium qubit
Maksim Litskevich, Kesavan Manivannan, Benjamin Byrd +4
Quasiparticles are a prominent decoherence source in superconducting qubits, but their effects are notoriously difficult to isolate in fluxonium. Unlike the transmon, fluxonium is…
cond-mat.mes-hall2026
Phonon down-conversion by normal metals for superconducting devices
Guglielmo La Magna, Gianluigi Catelani
The paper investigates how a normal‑metal film can down‑convert high‑energy, pair‑breaking phonons to mitigate quasiparticle poisoning in superconducting devices, using analytical…