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Showing 1–3 of 3 results
Advanced filters: Author: O. Cyr-Choinière Clear advanced filters

  • Decreasing the doping of a cuprate superconductor below a certain critical value causes its critical temperature to fall, however the reason for this has been unclear. Sensitive measurements of the Nernst effect in yttrium barium copper oxide suggest it is the result of competition with an emerging stripe phase.

    • J. Chang
    • N. Doiron-Leyraud
    • Louis Taillefer
    Research
    Nature Physics
    Volume: 8, P: 751-756

  • The point at which a magnetic field kills superconductivity in the cuprates has been difficult to measure. Grissonnanche et al. use thermal conductivity measurements to reliably determine this field and find that it drops suddenly below some critical doping, suggesting the onset of a new competing phase.

    • G. Grissonnanche
    • O. Cyr-Choinière
    • Louis Taillefer
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-8

  • High-temperature superconductors exhibit pseudogap behaviour that remains of unknown origin, despite many years of intensive study. Here the authors study the onset of the pseudogap under pressure, providing evidence that it requires a hole-like Fermi surface and constraining future theoretical developments.

    • N. Doiron-Leyraud
    • O. Cyr-Choinière
    • Louis Taillefer
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7