Disappearance of superconductivity due to vanishing coupling in the overdoped Bi$$_{2}$$ 2 Sr$$_{2}$$ 2 CaCu$$_{2}$$ 2 O$$_{8+\delta }$$ 8+δ

The pairing mechanism of cuprate superconductors is still under debate. Here, Valla et al. report that mass renormalization in Bi$$_{2}$$ 2 Sr$$_{2}$$ 2 CaCu$$_{2}$$ 2 O$$_{8+\delta }$$ 8+δ weakens with doping and disappears precisely where superconductivity disappears, eliminating phononic mechanis...

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Bibliographic Details
Main Authors: T. Valla, I. K. Drozdov, G. D. Gu
Format: Article
Language:English
Published: Nature Publishing Group 2020-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-020-14282-4