Dresden 2020 – wissenschaftliches Programm

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AKjDPG: Arbeitskreis junge DPG

AKjDPG 2: PhD Focus Session: Symposium on SStrange Bedfellows – Magnetism Meets Superconductivity" (joint session MA/AKjDPG)

AKjDPG 2.7: Hauptvortrag

Dienstag, 17. März 2020, 12:00–12:30, HSZ 04

Orbital selective superconductivity in iron-based superconductors — •Pengcheng Dai — Rice University

Superconductivity in iron-based superconductors emerges from long-range ordered antiferromagnetic phase with nematic order that breaks four-fold rotational symmetry of the underlying lattice. In spite of considerable work over the past decade, much is unclear concerning the microscopic origin of superconductivity and its relationship with magnetism, nematicity, and orbital order. In this talk, I will summarize our recent inelastic neutron scattering studies of iron-based superconductors, focusing on studying the relationship between magnetism, nematic order, and superconductivity. We find that orbital selective magnetic excitations and superconductivity are central to a microscopic understanding of these materials.