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Publication Detail
Charge density waves in cuprate superconductors beyond the critical doping
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Miao H, Fabbris G, Koch RJ, Mazzone DG, Nelson CS, Acevedo-Esteves R, Gu GD, Li Y, Yilimaz T, Kaznatcheev K, Vescovo E, Oda M, Kurosawa T, Momono N, Assefa T, Robinson IK, Bozin ES, Tranquada JM, Johnson PD, Dean MPM
  • Publication date:
    19/03/2021
  • Journal:
    npj Quantum Materials
  • Volume:
    6
  • Issue:
    1
  • Status:
    Published
Abstract
The unconventional normal-state properties of the cuprates are often discussed in terms of emergent electronic order that onsets below a putative critical doping of x ≈ 0.19. Charge density wave (CDW) correlations represent one such order; however, experimental evidence for such order generally spans a limited range of doping that falls short of the critical value x , leading to questions regarding its essential relevance. Here, we use X-ray diffraction to demonstrate that CDW correlations in La Sr CuO persist up to a doping of at least x = 0.21. The correlations show strong changes through the superconducting transition, but no obvious discontinuity through x ≈ 0.19, despite changes in Fermi surface topology and electronic transport at this doping. These results demonstrate the interaction between CDWs and superconductivity even in overdoped cuprates and prompt a reconsideration of the role of CDW correlations in the high-temperature cuprate phase diagram. c c 2−x x 4 c
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