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Showing 1–4 of 4 results
Advanced filters: Author: Sergey Zhdanovich Clear advanced filters

  • Cuprate superconductors are known for their intertwined interactions and coexistence of competing orders. Here, the authors observe a Fano resonance in the nonlinear THz response of La2-xSrxCuO4, which may arise from a coupling between superconducting and charge-density-wave amplitude fluctuations.

    • Hao Chu
    • Sergey Kovalev
    • Stefan Kaiser
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • The origin of the photoemission replica bands in monolayer FeSe/SrTiO3 remains controversial. Here, the authors perform angle-resolved photoemission spectroscopy with polarized photon on FeSe/SrTiO3 and observe high-order replica bands with high intensity from various Fe 3d bands, suggesting a mixed mechanism.

    • Chong Liu
    • Ryan P. Day
    • Ke Zou
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • The underlying mechanism of iron-based superconductivity, the role of electron correlations, and the extent to which the behavior resembles those of the cuprates has been debated since their discovery. Here, using angle resolved photoemission spectroscopy, the authors report reconstruction of the Fermi surface for FeTe1−xSex driven by orbital-dependent correlation effects in the absence of symmetry breaking and find evidence for an orbital-selective Mott transition.

    • Jianwei Huang
    • Rong Yu
    • Ming Yi
    ResearchOpen Access
    Communications Physics
    Volume: 5, P: 1-9