Stabilizing even-parity chiral superconductivity in Sr2RuO4

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Autor(es): dc.contributorUniversity of Wisconsin-
Autor(es): dc.contributorUniversity of Otago-
Autor(es): dc.contributorTechnische Universität Dresden-
Autor(es): dc.contributorMax Planck Institute for the Physics of Complex Systems-
Autor(es): dc.contributorSouth American Institute for Fundamental Research-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorSuh, Han Gyeol-
Autor(es): dc.creatorMenke, Henri-
Autor(es): dc.creatorBrydon, P. M.R.-
Autor(es): dc.creatorTimm, Carsten-
Autor(es): dc.creatorRamires, Aline-
Autor(es): dc.creatorAgterberg, Daniel F.-
Data de aceite: dc.date.accessioned2025-08-21T20:23:39Z-
Data de disponibilização: dc.date.available2025-08-21T20:23:39Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2020-07-21-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevResearch.2.032023-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/228843-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/228843-
Descrição: dc.descriptionStrontium ruthenate (Sr2RuO4) has long been thought to host a spin-triplet chiral p-wave superconducting state. However, the singletlike response observed in recent spin-susceptibility measurements casts serious doubts on this pairing state. Together with the evidence for broken time-reversal symmetry and a jump in the shear modulus c66 at the superconducting transition temperature, the available experiments point towards an even-parity chiral superconductor with kz(kx±iky)-like Eg symmetry, which has consistently been dismissed based on the quasi-two-dimensional electronic structure of Sr2RuO4. Here, we show how the orbital degree of freedom can encode the two-component nature of the Eg order parameter, allowing for a local orbital-antisymmetric spin-triplet state that can be stabilized by on-site Hund's coupling. We find that this exotic Eg state can be energetically stable once a complete, realistic three-dimensional model is considered, within which momentum-dependent spin-orbit coupling terms are key. This state naturally gives rise to Bogoliubov Fermi surfaces.-
Descrição: dc.descriptionDepartment of Physics University of Wisconsin-
Descrição: dc.descriptionDepartment of Physics and MacDiarmid Institute for Advanced Materials and Nanotechnology University of Otago, P.O. Box 56-
Descrição: dc.descriptionInstitute of Theoretical Physics and Würzburg-Dresden Cluster of Excellence Ct.qmat Technische Universität Dresden-
Descrição: dc.descriptionMax Planck Institute for the Physics of Complex Systems-
Descrição: dc.descriptionICTP-SAIFR International Centre for Theoretical Physics South American Institute for Fundamental Research-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review Research-
???dc.source???: dc.sourceScopus-
Título: dc.titleStabilizing even-parity chiral superconductivity in Sr2RuO4-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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