Synchronization and bistability of qubit coupled to a driven dissipative oscillator

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dc.creatorZhirov, O. V.
dc.creatorShepelyansky, D. L.
dc.date2007-10-10
dc.date.accessioned2026-07-07T08:53:24Z
dc.date.available2026-07-07T08:53:24Z
dc.descriptionWe study numerically the behavior of qubit coupled to a quantum dissipative driven oscillator (resonator). Above a critical coupling strength the qubit rotations become synchronized with the oscillator phase. In the synchronized regime, at certain parameters, the qubit exhibits tunneling between two orientations with a macroscopic change of number of photons in the resonator. The life times in these metastable states can be enormously large. The synchronization leads to a drastic change of qubit radiation spectrum with appearance of narrow lines corresponding to recently observed single artificial-atom lasing [O. Astafiev {\it et al.} Nature {\bf 449}, 588 (2007)].
dc.descriptionrevtex 4 pages, 6 figs, research at http://www.quantware.ups-tlse.fr/
dc.identifierhttps://arxiv.org/abs/0710.1967
dc.identifierhttp://arxiv.org/abs/0710.1967
dc.identifierPhys. Rev. Lett. v.100, p.014101 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.014101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145613
dc.subjectSuperconductivity
dc.subjectOther Condensed Matter
dc.subjectChaotic Dynamics
dc.subjectQuantum Physics
dc.titleSynchronization and bistability of qubit coupled to a driven dissipative oscillator
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