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dc.contributor.authorPlanelles Fuster, Josep
dc.contributor.authorRajadell Viciano, Fernando
dc.contributor.authorClimente Plasencia, Joan Ignasi
dc.date.accessioned2016-05-11T13:34:06Z
dc.date.available2016-05-11T13:34:06Z
dc.date.issued2015
dc.identifier.issn2469-9950
dc.identifier.issn2469-9969
dc.identifier.urihttp://hdl.handle.net/10234/159554
dc.description.abstractWe investigate theoretically the spin purity of single holes confined in vertically coupled GaAs/AlGaAs quantum dots (QDs) under longitudinal magnetic fields. A unique behavior is observed for triangular QDs, by which the spin is largely pure when the hole is in one of the dots, but it becomes strongly mixed when an electric field is used to drive it into molecular resonance. The spin admixture is due to the valence-band spin-orbit interaction, which is greatly enhanced in C3h symmetry environments. The strong yet reversible electrical control of hole spin suggests that molecules with C3-symmetry QDs, like those obtained with [111] growth, can outperform the usual C2-symmetry QDs obtained with [001] growth for the development of scalable qubit architectures.ca_CA
dc.description.sponsorShipUniversitat Jaume I (UJI) project P1-1B2014-24 MINECO project CTQ2014-60178-Pca_CA
dc.format.extent6 p.ca_CA
dc.format.mimetypeapplication/pdfca_CA
dc.language.isoengca_CA
dc.publisherAmerican Physical Societyca_CA
dc.relation.isPartOfPHYSICAL REVIEW B 92, 041302(R) (2015)ca_CA
dc.rights©2015 American Physical Societyca_CA
dc.subjectResonanceca_CA
dc.titleSymmetry-induced hole-spin mixing in quantum dot moleculesca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevB.92.041302
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_CA
dc.relation.publisherVersionhttp://journals.aps.org/prb/abstract/10.1103/PhysRevB.92.041302ca_CA


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