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Quantum Chemistry Superconducting Qubits

Quasiparticle interference and charge order in a heavily overdoped non-superconducting cuprate

DOAJ
Authors: Xintong Li, Ying Ding, Chaocheng He, Wei Ruan, Peng Cai, Cun Ye, Zhenqi Hao, Lin Zhao, Xingjiang Zhou, Qianghua Wang, Yayu Wang

Year

2018

Paper ID

18076

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

104

Citations

14

Abstract

One of the key issues in unraveling the mystery of high T _C superconductivity in the cuprates is to understand the normal state outside the superconducting dome. Here we perform scanning tunneling microscopy and spectroscopy measurements on a heavily overdoped, non-superconducting (Bi, Pb) _2 Sr _2 CuO _6+ _δ cuprate. Spectroscopic imaging reveals dispersive quasiparticle interferences (QPIs) and the Fourier transforms uncover the evolution of momentum space topology. More interestingly, we observe nanoscale patches of static charge order with sqrt{2}times sqrt{2} periodicity. Both the dispersive QPI and static charge order can be qualitatively explained by theoretical calculations, which reveal the unique electronic structure of strongly overdoped cuprate.

Why This Paper Matters

  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 2018 reference point for readers tracking recent quantum research.
  • One of the key issues in unraveling the mystery of high T _C superconductivity in the cuprates is to understand the normal state outside the superconducting dome.

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References & Citation Signals

[1] DOI https://doi.org/10.1088/1367-2630/aacb5e [2] Publisher https://doi.org/10.1088/1367-2630/aacb5e

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-10-21 08:38:15

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