Relaxation and Dephasing in a Flux-qubit

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BERTET, Patrice, Irinel CHIORESCU, Guido BURKARD, Kouichi SEMBA, C. J. P. M. HARMANS, David P. DIVINCENZO, J. E. MOOIJ, 2004. Relaxation and Dephasing in a Flux-qubit

@unpublished{Bertet2004Relax-9439, title={Relaxation and Dephasing in a Flux-qubit}, year={2004}, author={Bertet, Patrice and Chiorescu, Irinel and Burkard, Guido and Semba, Kouichi and Harmans, C. J. P. M. and DiVincenzo, David P. and Mooij, J. E.} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9439"> <dc:rights>deposit-license</dc:rights> <dc:contributor>Harmans, C. J. P. M.</dc:contributor> <dc:creator>Harmans, C. J. P. M.</dc:creator> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103416863-3868037-7"/> <dc:contributor>Bertet, Patrice</dc:contributor> <dc:contributor>Burkard, Guido</dc:contributor> <dc:creator>Bertet, Patrice</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:56:32Z</dcterms:available> <dcterms:title>Relaxation and Dephasing in a Flux-qubit</dcterms:title> <dc:creator>Mooij, J. E.</dc:creator> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9439"/> <dc:creator>Burkard, Guido</dc:creator> <dc:contributor>DiVincenzo, David P.</dc:contributor> <dc:format>application/pdf</dc:format> <dc:contributor>Mooij, J. E.</dc:contributor> <dc:creator>Chiorescu, Irinel</dc:creator> <dcterms:issued>2004</dcterms:issued> <dc:contributor>Semba, Kouichi</dc:contributor> <dcterms:abstract xml:lang="eng">We report detailed measurements of the relaxation and dephasing time in a flux-qubit measured by a switching DC SQUID. We studied their dependence on the two important circuit bias parameters: the externally applied magnetic flux and the bias current through the SQUID in two samples. We demonstrate two complementary strategies to protect the qubit from these decoherence sources. One consists in biasing the qubit so that its resonance frequency is stationary with respect to the control parameters (optimal point); the second consists in decoupling the qubit from current noise by chosing a proper bias current through the SQUID. At the decoupled optimal point, we measured long spin-echo decay times of up to 4Mys.</dcterms:abstract> <dc:creator>Semba, Kouichi</dc:creator> <dc:language>eng</dc:language> <dc:creator>DiVincenzo, David P.</dc:creator> <dc:contributor>Chiorescu, Irinel</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:56:32Z</dc:date> </rdf:Description> </rdf:RDF>

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