Direct Josephson coupling between superconducting flux qubits

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dc.creatorGrajcar, M.
dc.creatorIzmalkov, A.
dc.creatorvan der Ploeg, S. H. W.
dc.creatorLinzen, S.
dc.creatorIl'ichev, E.
dc.creatorWagner, Th.
dc.creatorHubner, U.
dc.creatorMeyer, H. -G.
dc.creatorBrink, Alec Maassen van den
dc.creatorUchaikin, S.
dc.creatorZagoskin, A. M.
dc.date2005-01-05
dc.date2005-03-29
dc.date.accessioned2026-07-07T03:03:04Z
dc.date.available2026-07-07T03:03:04Z
dc.descriptionWe have demonstrated strong antiferromagnetic coupling between two three-junction flux qubits based on a shared Josephson junction, and therefore not limited by the small inductances of the qubit loops. The coupling sign and magnitude were measured by coupling the system to a high-quality superconducting tank circuit. Design modifications allowing to continuously tune the coupling strength and/or make the coupling ferromagnetic are discussed.
dc.descriptionREVTeX 4, 4 pages, 5 figures; v2: completely rewritten, added finite-temperature results and proposals for ferromagnetic galvanic coupling
dc.identifierhttps://arxiv.org/abs/cond-mat/0501085
dc.identifierhttp://arxiv.org/abs/cond-mat/0501085
dc.identifierPhys. Rev. B 72, 020503(R) (2005)
dc.identifierdoi:10.1103/PhysRevB.72.020503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25619
dc.subjectSuperconductivity
dc.subjectMesoscale and Nanoscale Physics
dc.titleDirect Josephson coupling between superconducting flux qubits
dc.typetext

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