Evidence for interacting two-level systems from the 1/f noise of a superconducting resonator.

@article{Burnett2014EvidenceFI,
  title={Evidence for interacting two-level systems from the 1/f noise of a superconducting resonator.},
  author={James Stephen Burnett and Lara Faoro and I. Wisby and Vladimir L Gurtovoi and Anatoliy V. Chernykh and Gennady M. Mikhailov and Vyacheslav A Tulin and Rais S Shaikhaidarov and Vladimir Antonov and P. J. Meeson and Alexander Ya. Tzalenchuk and Tomas Lindstr{\"o}m},
  journal={Nature communications},
  year={2014},
  volume={5},
  pages={
          4119
        }
}
The performance of a great variety of electronic devices--ranging from semiconductor transistors to superconducting qubits--is hampered by low-frequency noise with spectra proportional to 1/f. The ubiquity and negative impact of 1/f noise has motivated intensive research into its cause, and it is now believed to originate from a bath of fluctuating two-level defect states (TLSs) embedded in the material. This phenomenon is commonly described by the long-established standard tunnelling model… CONTINUE READING

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