Orbital Selectivity in Electron Correlations and Superconducting Pairing of Iron-Based Superconductors

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dc.citation.articleNumber578347en_US
dc.citation.journalTitleFrontiers in Physicsen_US
dc.citation.volumeNumber9en_US
dc.contributor.authorYu, Rongen_US
dc.contributor.authorHu, Haoyuen_US
dc.contributor.authorNica, Emilian M.en_US
dc.contributor.authorZhu, Jian-Xinen_US
dc.contributor.authorSi, Qimiaoen_US
dc.contributor.orgCenter for Quantum Materialsen_US
dc.date.accessioned2021-06-10T17:36:53Zen_US
dc.date.available2021-06-10T17:36:53Zen_US
dc.date.issued2021en_US
dc.description.abstractElectron correlations play a central role in iron-based superconductors. In these systems, multiple Fe $3d$-orbitals are active in the low-energy physics, and they are not all degenerate. For these reasons, the role of orbital-selective correlations has been an active topic in the study of the iron-based systems. In this paper, we survey the recent developments on the subject. For the normal state, we emphasize the orbital-selective Mott physics that has been extensively studied, especially in the iron chalcogenides, in the case of electron filling $n \sim 6$. In addition, the interplay between orbital selectivity and electronic nematicity is addressed. For the superconducting state, we summarize the initial ideas for orbital-selective pairing, and discuss the recent explosive activities along this direction. We close with some perspectives on several emerging topics. These include the evolution of the orbital-selective correlations, magnetic and nematic orders and superconductivity as the electron filling factor is reduced from $6$ to $5$, as well as the interplay between electron correlations and topological bandstructure in iron-based superconductors.en_US
dc.identifier.citationYu, Rong, Hu, Haoyu, Nica, Emilian M., et al.. "Orbital Selectivity in Electron Correlations and Superconducting Pairing of Iron-Based Superconductors." <i>Frontiers in Physics,</i> 9, (2021) Frontiers Media S.A.: https://doi.org/10.3389/fphy.2021.578347.en_US
dc.identifier.digitalfphy-09-578347en_US
dc.identifier.doihttps://doi.org/10.3389/fphy.2021.578347en_US
dc.identifier.urihttps://hdl.handle.net/1911/110717en_US
dc.language.isoengen_US
dc.publisherFrontiers Media S.A.en_US
dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleOrbital Selectivity in Electron Correlations and Superconducting Pairing of Iron-Based Superconductorsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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