Dephasing of Josephson qubits close to optimal points

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dc.creatorSyzranov, S. V.
dc.creatorMakhlin, Yu.
dc.date2005-12-29
dc.date.accessioned2026-07-07T06:53:44Z
dc.date.available2026-07-07T06:53:44Z
dc.descriptionDecoherence of Josephson qubits can be substantially reduced by tuning their parameters to optimal operation points, with only quadratic coupling to fluctuations. We analyze dephasing due to 1/f noise for a two-level system, detuned from an optimal point, i.e., the crossover to the linear-coupling regime, both for free induction decay and for spin-echo experiments. Influence of several noise sources is also discussed.
dc.description4 pages, 1 figure, accepted for publication in JETP Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0512701
dc.identifierhttp://arxiv.org/abs/cond-mat/0512701
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/105694
dc.subjectMesoscale and Nanoscale Physics
dc.titleDephasing of Josephson qubits close to optimal points
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