Superconductivity in FeSe: the role of nematic order

12 Jul 2018 Kang Jian Fernandes Rafael M. Chubukov Andrey V.

Bulk FeSe is a special iron-based material in which superconductivity emerges inside a well-developed nematic phase. We present a microscopic model for this nematic superconducting state, which takes into account the mixing between $s-$wave and $d-$wave pairing channels and the changes in the orbital spectral weight promoted by the sign-changing nematic order parameter... (read more)

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