Directly visualizing the sign change of d-wave superconducting gap in Bi2Sr2CaCu2O8+δ by phase-referenced quasiparticle interference

The superconducting gap structure contains important information to understand the pairing mechanism of unconventional superconductivity. Here, by using a newly established phase-referenced quasiparticle interference technique, the authors visualize the sign change of the d-wave superconducting gap...

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Autores principales: Qiangqiang Gu, Siyuan Wan, Qingkun Tang, Zengyi Du, Huan Yang, Qiang-Hua Wang, Ruidan Zhong, Jinsheng Wen, G. D. Gu, Hai-Hu Wen
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/9d7faa0f31dc439a9f99627ba864c44a
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