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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Autores principales: T. Valla, I. K. Drozdov, G. D. Gu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/a289bdba842e4833afa0444b5004c54d
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