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Chirality-controlled spontaneous currents in spin-orbit coupled superconducting rings

hal.structure.identifierSeychelles Fishing Authority (SFA) [SFA]
dc.contributor.authorROBINSON, J.
hal.structure.identifierInstitute for Physics of Microstructures of the RAS
dc.contributor.authorSAMOKHVALOV, A.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorBUZDIN, Alexandre I.
dc.date.issued2019-05
dc.identifier.issn1098-0121
dc.description.abstractEnAt a superconductor interface with a ferromagnetic insulator (FI), the FI acts to induce a local exchange field within the S layer, which in the presence of spin-orbit interaction promotes a phase-modulated superconducting state. Here we demonstrate that within a thin superconducting loop that is partially proximitized by a FI, spontaneous currents form with a magnetization-orientation-dependent chirality with sizable shifts in Little-Parks oscillations. Furthermore, the critical temperature of the loop is also magnetization-orientation-dependent and conversely, the superconducting transition itself may influence the magnetization direction. More generally, the superconducting region above the FI serves as a "phase battery" and so offers a new device concept for superconducting spintronics.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.title.enChirality-controlled spontaneous currents in spin-orbit coupled superconducting rings
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevB.99.180501
dc.subject.halPhysique [physics]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Supraconductivité [cond-mat.supr-con]
bordeaux.journalPhysical Review B: Condensed Matter and Materials Physics (1998-2015)
bordeaux.volume99
bordeaux.issue18
bordeaux.peerReviewedoui
hal.identifierhal-02140470
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02140470v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20B:%20Condensed%20Matter%20and%20Materials%20Physics%20(1998-2015)&rft.date=2019-05&rft.volume=99&rft.issue=18&rft.eissn=1098-0121&rft.issn=1098-0121&rft.au=ROBINSON,%20J.&SAMOKHVALOV,%20A.&BUZDIN,%20Alexandre%20I.&rft.genre=article


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