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Cited by 340

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Surface participation and dielectric loss in superconducting qubits

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Wang, C., Axline, C., Gao, Y. Y., Brecht, T., Chu, Y., Frunzio, L., Devoret, M. H., Schoelkopf, R. J.·2015·Applied Physics Letters

Abstract

We study the energy relaxation times (T1) of superconducting transmon qubits in 3D cavities as a function of dielectric participation ratios of material surfaces. This surface participation ratio, representing the fraction of electric field energy stored in a dissipative surface layer, is computed by a two-step finite-element simulation and experimentally varied by qubit geometry. With a clean electromagnetic environment and suppressed non-equilibrium quasiparticle density, we find an approximately proportional relation between the transmon relaxation rates and surface participation ratios. These results suggest dielectric dissipation arising from material interfaces is the major limiting factor for the T1 of transmons in 3D circuit quantum electrodynamics architecture. Our analysis also supports the notion of spatial discreteness of surface dielectric dissipation.

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Metadata

Authors
Wang, C., Axline, C., Gao, Y. Y., Brecht, T., Chu, Y., Frunzio, L., Devoret, M. H., & Schoelkopf, R. J.
Venue
Applied Physics Letters
Published
2015-10-19
Volume
107
Issue
16
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2141221481
Cited by
340
References
34
FWCI
14.39
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Surface participation and dielectric loss in superconducting qubits. https://app.cochat.ai/papers/10.1063/1.4934486
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Wang, C., Axline, C., Gao, Y. Y., Brecht, T., Chu, Y., Frunzio, L., Devoret, M. H., & Schoelkopf, R. J. (2015). Surface participation and dielectric loss in superconducting qubits. Applied Physics Letters. https://doi.org/10.1063/1.4934486

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