Direct Identification of Dilute Surface Spins on Al_{2} O_{3} : Origin of Flux Noise in Quantum Circuits

Author(s): S. E. de Graaf, A. A. Adamyan, T. Lindström, D. Erts, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov

Electron-spin-resonance experiments identify surface electron spin noise as the source of flux noise in superconducting qubit circuits.

[Phys. Rev. Lett. 118, 057703] Published Tue Jan 31, 2017