Decoherence due to telegraph and 1/f noise in Josephson qubits

Details Decoherence due to telegraph and 1/f noise in Josephson qubits Decoherence due to telegraph and 1/f noise in Josephson qubits

2004-07-19

arxiv.org/abs/cond-mat/0407484v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 4 figures. Proceedings of the International Symposium on Mesoscopic Superconductivity and Spintronics 2004 (MS+S2004)

Scientific paper

We study decoherence due to random telegraph and 1/f noise in Josephson qubits. We illustrate differences between gaussian and non gaussian effects at different working points and for different protocols. Features of the intrinsically non-gaussian and non-Markovian low-frequency noise may explain the rich physics observed in the spectroscopy and the dynamics of charge based devices.

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