Reading-out the state inductively and microwave spectroscopy of an interferometer-type charge qubit

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dc.creatorBorn, D.
dc.creatorShnyrkov, V. I.
dc.creatorKrech, W.
dc.creatorWagner, Th.
dc.creatorIl'ichev, E.
dc.creatorGrajcar, M.
dc.creatorHuebner, U.
dc.creatorMeyer, H. -G.
dc.date2003-12-30
dc.date2004-09-30
dc.date.accessioned2026-07-07T06:22:30Z
dc.date.available2026-07-07T06:22:30Z
dc.descriptionWe implemented experimentally an interferometer-type charge qubit consisting of a single-Cooper-pair transistor closed by a superconducting loop that is in flip-chip configuration inductively coupled to a radio frequency tank circuit. The tank permits to readout the qubit state, acting as inductance measuring apparatus. By applying continuous microwave power to the quantum device, we observed inductance alterations caused by redistributions of the energy level populations. From the measured data, we extracted the energy gap between ground and upper levels as a function of the transistor quasicharge as well as the Josephson phase across both junctions.
dc.description4 pages, 5 figures, revised version, to appear in PRB Rapid Comm
dc.identifierhttps://arxiv.org/abs/cond-mat/0312696
dc.identifierhttp://arxiv.org/abs/cond-mat/0312696
dc.identifierPhys. Rev. B 70, 180501 (2004)
dc.identifierdoi:10.1103/PhysRevB.70.180501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95930
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.titleReading-out the state inductively and microwave spectroscopy of an interferometer-type charge qubit
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