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Temperature dependence of Andreev spectra in a superconducting carbon nanotube quantum dot

dc.contributor.authorKumar, A.
dc.contributor.authorGaim, M.
dc.contributor.authorSteininger, D.
dc.contributor.authorLevy-Yeyati Mizrahi, Alfredo 
dc.contributor.authorMartín-Rodero, A.
dc.contributor.authorHüttel, A. K.
dc.contributor.authorStrunk, C.
dc.contributor.otherUAM. Departamento de Física Teórica de la Materia Condensadaes_ES
dc.date.accessioned2015-11-16T12:38:30Z
dc.date.available2015-11-16T12:38:30Z
dc.date.issued2014-02-24
dc.identifier.citationPhysical Review B 89.7 (2014): 075428en_US
dc.identifier.issn1098-0121 (print)en_US
dc.identifier.issn1550-235X (online)en_US
dc.identifier.urihttp://hdl.handle.net/10486/668839
dc.description.abstractTunneling spectroscopy of a Nb coupled carbon nanotube quantum dot reveals the formation of pairs of Andreev bound states (ABS) within the superconducting gap. A weak replica of the lower ABS is found, which is generated by quasi-particle tunnelling from the ABS to the Al tunnel probe. An inversion of the ABS-dispersion is observed at elevated temperatures, which signals the thermal occupation of the upper ABS. Our experimental findings are well supported by model calculations based on the superconducting Anderson modelen_US
dc.description.sponsorshipWe gratefully acknowledge financial support from the Deutsche Forschungsgemeinschaft within GRK 1570, SFB 689, the E. Noether program (Hu 1808-1), from Spanish MINECO through grant FIS2011-26516, and from the EU FP7 Project SE2ND. from the EU FP7 Project SE2ND. A. K. thanks the Alexander von Humboldt Foundation for providing - nancial support during this researchen_US
dc.format.extent6 pag.es_ES
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_US
dc.rights© 2014 American Physical Societyen_US
dc.subject.otherSpectroscopyen_US
dc.subject.otherSuperconducting Anderson modelen_US
dc.titleTemperature dependence of Andreev spectra in a superconducting carbon nanotube quantum doten_US
dc.typearticleen
dc.subject.ecienciaFísicaes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevB.89.075428es_ES
dc.identifier.doi10.1103/PhysRevB.89.075428es_ES
dc.identifier.publicationfirstpage075428-1es_ES
dc.identifier.publicationissue7es_ES
dc.identifier.publicationlastpage075428-5es_ES
dc.identifier.publicationvolume89es_ES
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/271554en
dc.relation.projectIDGobierno de España. FIS2011-26516es_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dc.rights.accessRightsopenAccessen
dc.facultadUAMFacultad de Ciencias
dc.institutoUAMInstituto Universitario de Ciencia de Materiales Nicolás Cabrera (INC)


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