Dephasing of solid-state qubits at optimal points

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dc.creatorMakhlin, Yuriy
dc.creatorShnirman, Alexander
dc.date2003-08-14
dc.date2003-12-22
dc.date.accessioned2026-07-07T02:52:56Z
dc.date.available2026-07-07T02:52:56Z
dc.descriptionMotivated by recent experiments with Josephson-junction circuits, we analyze the influence of various noise sources on the dynamics of two-level systems at optimal operation points where the linear coupling to low-frequency fluctuations is suppressed. We study the decoherence due to nonlinear (quadratic) coupling, focusing on the experimentally relevant 1/f and Ohmic noise power spectra. For 1/f noise strong higher-order effects influence the evolution.
dc.descriptionminor corrections and clarifications
dc.identifierhttps://arxiv.org/abs/cond-mat/0308297
dc.identifierhttp://arxiv.org/abs/cond-mat/0308297
dc.identifierPhys. Rev. Lett. 92, 178301 (2004)
dc.identifierdoi:10.1103/PhysRevLett.92.178301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22025
dc.subjectMesoscale and Nanoscale Physics
dc.subjectQuantum Physics
dc.titleDephasing of solid-state qubits at optimal points
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