Crossover from weak to strong coupling regime in dispersive circuit QED

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dc.creatorSerban, I.
dc.creatorSolano, E.
dc.creatorWilhelm, F. K.
dc.date2006-06-28
dc.date2007-10-30
dc.date.accessioned2026-07-07T08:39:17Z
dc.date.available2026-07-07T08:39:17Z
dc.descriptionWe study the decoherence of a superconducting qubit due to the dispersive coupling to a damped harmonic oscillator. We go beyond the weak qubit-oscillator coupling, which we associate with a phase Purcell effect, and enter into a strong coupling regime, with qualitatively different behavior of the dephasing rate. We identify and give a physicaly intuitive discussion of both decoherence mechanisms. Our results can be applied, with small adaptations, to a large variety of other physical systems, e. g. trapped ions and cavity QED, boosting theoretical and experimental decoherence studies.
dc.descriptionPublished version
dc.identifierhttps://arxiv.org/abs/cond-mat/0606734
dc.identifierhttp://arxiv.org/abs/cond-mat/0606734
dc.identifierEurophys. Lett., 80 (2007) 40011
dc.identifierdoi:10.1209/0295-5075/80/40011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/141023
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.subjectQuantum Physics
dc.titleCrossover from weak to strong coupling regime in dispersive circuit QED
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