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The nominal qubit decay rateΓ (0) 1,q = 1/T (0) 1 is added to account for any non-piezoelectric qubit loss

(also see Supplementary), Γ1,q(ωq) = Γ(0) 1,q + NX k=1 2|gm,k|2Γ2,k Γ2 2,k + (ωq −ω m,k)2 ,(2) where the effective qubit-SAW resonator decoherence rates areΓ 2,k = Γ2,q +κ m,k/2,andT ∗ 2 = 1/Γ2,q denotes the qubit coherence time · 2024 · DOI 10.5281/zenodo.20150434

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Interface Piezoelectric Loss in Superconducting Qubits

quant-ph · 2026-05-15 · unverdicted · novelty 6.0

Direct observation of interface piezoelectric loss causing up to 2x reduction in superconducting qubit lifetime on silicon, identified via resonance with SAW modes.

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  • Interface Piezoelectric Loss in Superconducting Qubits quant-ph · 2026-05-15 · unverdicted · none · ref 1

    Direct observation of interface piezoelectric loss causing up to 2x reduction in superconducting qubit lifetime on silicon, identified via resonance with SAW modes.