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Odd-Frequency Superconductivity in Sr2RuO4 Measured by Kerr Rotation
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
2017 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 119, no 8, 087001Article in journal (Refereed) Published
Abstract [en]

We establish the existence of bulk odd-frequency superconductivity in Sr2RuO4 and show that an intrinsic Kerr effect is direct evidence of this state. We use both general two-and three-orbital models, as well as a realistic tight-binding description of Sr2RuO4 to demonstrate that odd-frequency pairing arises due to finite hybridization between different orbitals in the normal state, and is further enhanced by finite interorbital pairing.

Place, publisher, year, edition, pages
2017. Vol. 119, no 8, 087001
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-333754DOI: 10.1103/PhysRevLett.119.087001ISI: 000407997500002PubMedID: 28952759OAI: oai:DiVA.org:uu-333754DiVA: diva2:1157692
Funder
Wenner-Gren FoundationsSwedish Research CouncilSwedish Foundation for Strategic Research Göran Gustafsson Foundation for Research in Natural Sciences and MedicineKnut and Alice Wallenberg Foundation
Available from: 2017-11-16 Created: 2017-11-16 Last updated: 2017-11-23Bibliographically approved

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Komendova, LuciaBlack-Schaffer, Annica M.

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