Topological ultranodal pair states in iron-based superconductors

Experiments indicate an abrupt change in the pairing gap near the nematic transition in the FeSe1−x S x iron-based superconductor. Here, Setty et al. propose to explain them via a novel spin-1/2 paired state with topologically protected zero-energy excitations over a finite area nodal surface.

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Detalles Bibliográficos
Autores principales: Chandan Setty, Shinibali Bhattacharyya, Yifu Cao, Andreas Kreisel, P. J. Hirschfeld
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/b18d9da1e96f4ce0ab1686d30260a353
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