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dc.contributor.authorEstrada Saldaña, J. C.
dc.contributor.authorŽitko, R.
dc.contributor.authorCleuziou, J. P.
dc.contributor.authorLee, Eduardo Jian Hua 
dc.contributor.authorZannier, V.
dc.contributor.authorErcolani, D.
dc.contributor.authorSorba, L.
dc.contributor.authorAguado, R.
dc.contributor.authorDe Franceschi, S.
dc.contributor.otherUAM. Departamento de Física de Materialeses_ES
dc.date.accessioned2020-05-04T11:45:51Z
dc.date.available2020-05-04T11:45:51Z
dc.date.issued2019-01-01
dc.identifier.citationScience Advances 5.7 (2019): eaav1235en_US
dc.identifier.issn2375-2548
dc.identifier.urihttp://hdl.handle.net/10486/690967
dc.description.abstractA semiconductor nanowire with strong spin-orbit coupling in proximity to a superconductor is predicted to display Majorana edge states emerging under a properly oriented magnetic field. The experimental investigation of these exotic states requires assessing the one-dimensional (1D) character of the nanowire and understanding the superconducting proximity effect in the presence of a magnetic field. Here, we explore the quasi-ballistic 1D transport regime of an InAs nanowire with Ta contacts. Fine-tuned by means of local gates, the observed plateaus of approximately quantized conductance hide the presence of a localized electron, giving rise to a lurking Coulomb blockade effect and Kondo physics. When Ta becomes superconducting, this local charge causes an unusual, reentrant magnetic field dependence of the supercurrent, which we ascribe to a 0 - p transition. Our results underline the relevant role of unintentional charge localization in the few-channel regime where helical subbands and Majorana quasi-particles are expected to ariseen_US
dc.description.sponsorshipWe acknowledge financial support from the Agence Nationale de la Recherche (TOPONANO project) and from the EU (ERC grant no. 280043). R.A. acknowledges financial support from the Spanish Ministry of Economy and Competitiveness (grant FIS2015-64654-P). R.Ž. acknowledges support from the Slovenian Research Agency (ARRS) under Program P1- 0044 and J1-7259en_US
dc.format.extent8 pag.en_US
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherAmerican Association for the Advancement of Science (A A A S)en_US
dc.relation.ispartofScience Advancesen_US
dc.rights© 2019 The Authorsen_US
dc.subject.otherMajorana edgeen_US
dc.subject.otherSemiconductor nanowireen_US
dc.subject.otherSuperconductoren_US
dc.subject.otherInAs nanowireen_US
dc.titleCharge localization and reentrant superconductivity in a quasi-ballistic InAs nanowire coupled to superconductorsen_US
dc.typearticleen
dc.subject.ecienciaFísicaes
dc.relation.publisherversionhttps://doi.org/10.1126/sciadv.aav1235
dc.identifier.doi10.1126/sciadv.aav1235
dc.identifier.publicationfirstpageeaav1235-1
dc.identifier.publicationissue7
dc.identifier.publicationlastpageeaav1235-8
dc.identifier.publicationvolume5
dc.relation.projectIDGobierno de España. FIS2015-64654-Pes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dc.rights.ccReconocimientoes_ES
dc.rights.accessRightsopenAccessen
dc.authorUAMLee, Eduardo Jian Hua (274130)
dc.facultadUAMFacultad de Ciencias


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