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arxiv: cond-mat/0407484 · v1 · pith:SXRBNCTCnew · submitted 2004-07-19 · ❄️ cond-mat.mes-hall · quant-ph

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

classification ❄️ cond-mat.mes-hall quant-ph
keywords noisedecoherencedifferentgaussianjosephsonqubitstelegraphcharge
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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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