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Andreev spectrum of a Josephson junction with spin-split superconductors

hal.structure.identifierDonostia International Physics Center [DIPC]
dc.contributor.authorBUJNOWSKI, B.
hal.structure.identifierIkerbasque - Basque Foundation for Science
hal.structure.identifierDonostia International Physics Center [DIPC]
dc.contributor.authorBERCIOUX, D.
hal.structure.identifierCentro de Fisica de Materiales [CFM-MPC]
dc.contributor.authorKONSCHELLE, F.
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorCAYSSOL, J.
hal.structure.identifierDonostia International Physics Center [DIPC]
hal.structure.identifierCentro de Fisica de Materiales [CFM-MPC]
dc.contributor.authorBERGERET, F. S.
dc.date.created2016-06-27
dc.date.issued2016-09-01
dc.identifier.issn0295-5075
dc.description.abstractEnThe Andreev bound states and charge transport in a Josephson junction between two superconductors with intrinsic exchange fields are studied. We find that for a parallel configuration of the exchange fields in the superconductors the discrete spectrum consists of two pairs of spin-split states. The Josephson current in this case is mainly carried by bound states. In contrast, for the antiparallel configuration we find that there is no spin-splitting of the bound states and that for phase differences smaller than a certain critical value there are no bound states at all. Hence the supercurrent is only carried by states in the continuous part of the spectrum. Our predictions can be tested by performing a tunneling spectroscopy of a weak link between two spin-split superconductors.
dc.language.isoen
dc.publisherEuropean Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing
dc.rights.urihttp://creativecommons.org/licenses/by-sa/
dc.subject.enTunneling phenomena
dc.subject.enJosephson effects
dc.subject.enMesoscopic and nanoscale systems
dc.subject.enSpin polarized transport
dc.title.enAndreev spectrum of a Josephson junction with spin-split superconductors
dc.typeArticle de revue
dc.identifier.doi10.1209/0295-5075/115/67001
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Supraconductivité [cond-mat.supr-con]
dc.identifier.arxiv1607.07772
bordeaux.journalEPL - Europhysics Letters
bordeaux.page67001 (1-6)
bordeaux.volume115
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-01407524
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01407524v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=EPL%20-%20Europhysics%20Letters&rft.date=2016-09-01&rft.volume=115&rft.issue=6&rft.spage=67001%20(1-6)&rft.epage=67001%20(1-6)&rft.eissn=0295-5075&rft.issn=0295-5075&rft.au=BUJNOWSKI,%20B.&BERCIOUX,%20D.&KONSCHELLE,%20F.&CAYSSOL,%20J.&BERGERET,%20F.%20S.&rft.genre=article


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