Phase-sensitive determination of nodal d-wave order parameter in single-band and multiband superconductors

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dc.contributor.authorBöker, Jakob
dc.contributor.authorSulangi, Miguel Antonio
dc.contributor.authorAkbari, Alireza
dc.contributor.authorDavis, J. C. Séamus
dc.contributor.authorHirschfeld, P. J.
dc.contributor.authorEremin, Ilya M.
dc.contributor.funderIntelligence Advanced Research Projects Activityen
dc.contributor.funderNational Science Foundationen
dc.date.accessioned2020-11-23T18:32:30Z
dc.date.available2020-11-23T18:32:30Z
dc.date.issued2020-06-05
dc.date.updated2020-11-23T16:26:55Z
dc.description.abstractDetermining the exact pairing symmetry of the superconducting order parameter in candidate unconventional superconductors remains an important challenge. Recently, a new method, based on phase sensitive quasiparticle interference measurements, was developed to identify gap sign changes in isotropic multiband systems. Here we extend this approach to the single-band and multiband nodal d-wave superconducting cases relevant, respectively, for the cuprates and likely for the infinite-layer nickelate superconductors. Combining analytical and numerical calculations, we show that the antisymmetrized correction to the tunneling density of states due to nonmagnetic impurities in the Born limit and at intermediate-scattering strength shows characteristic features for sign-changing and sign-preserving scattering wave vectors, as well as for the momentum-integrated quantity. Furthermore, using a realistic approach accounting for the Wannier orbitals, we model scanning tunneling microscopy data of Bi2Sr2CaCu2O8+delta, which should allow the comparison of our theory with experimental data.en
dc.description.sponsorshipIntelligence Advanced Research Projects Activity (SuperTools Program); National Science Foundation (NSF-DMR-1849751)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid214505en
dc.identifier.citationBöker, J., Sulangi, M. A., Akbari, A., Davis, J. C. S., Hirschfeld, P. J. and Eremin, I. M. (2020) 'Phase-sensitive determination of nodal d-wave order parameter in single-band and multiband superconductors', Physical Review B, 101, 214505 (11pp). doi: 10.1103/PhysRevB.101.214505en
dc.identifier.doi10.1103/PhysRevB.101.214505en
dc.identifier.eissn2469-9969
dc.identifier.endpage11en
dc.identifier.issn2469-9950
dc.identifier.journaltitlePhysical Review Ben
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/10783
dc.identifier.volume101en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rights© 2020, American Physical Society.en
dc.subjectQuasi-particle interferenceen
dc.subjectScatteringen
dc.subjectSymmetryen
dc.subjectStatesen
dc.titlePhase-sensitive determination of nodal d-wave order parameter in single-band and multiband superconductorsen
dc.typeArticle (peer-reviewed)en
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