Nature Communications (May 2021)

Reducing the impact of radioactivity on quantum circuits in a deep-underground facility

  • L. Cardani,
  • F. Valenti,
  • N. Casali,
  • G. Catelani,
  • T. Charpentier,
  • M. Clemenza,
  • I. Colantoni,
  • A. Cruciani,
  • G. D’Imperio,
  • L. Gironi,
  • L. Grünhaupt,
  • D. Gusenkova,
  • F. Henriques,
  • M. Lagoin,
  • M. Martinez,
  • G. Pettinari,
  • C. Rusconi,
  • O. Sander,
  • C. Tomei,
  • A. V. Ustinov,
  • M. Weber,
  • W. Wernsdorfer,
  • M. Vignati,
  • S. Pirro,
  • I. M. Pop

DOI
https://doi.org/10.1038/s41467-021-23032-z
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 6

Abstract

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Background radiation has been identified as a key factor limiting the coherence times of superconducting circuits. Here, the authors measure the impact of environmental and cosmic radiation on a superconducting resonator with varying degrees of shielding, including an underground facility.