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Broken rotational symmetry in the pseudogap phase of a high-Tc superconductor

Author

Listed:
  • R. Daou

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
    Present address: Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany.)

  • J. Chang

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • David LeBoeuf

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • Olivier Cyr-Choinière

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • Francis Laliberté

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • Nicolas Doiron-Leyraud

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada)

  • B. J. Ramshaw

    (University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada)

  • Ruixing Liang

    (University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
    Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada)

  • D. A. Bonn

    (University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
    Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada)

  • W. N. Hardy

    (University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
    Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada)

  • Louis Taillefer

    (Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
    Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada)

Abstract

Broken symmetry in the pseudogap phase Knowledge of the nature of the pseudogap phase is critical to understanding the properties of high-transition-temperature (high-Tc) copper oxide superconductors. A fundamental question is what symmetries are broken when that phase sets in below a certain temperature, T*. Daou et al. report the observation of a large in-plane anisotropy of the Nernst effect in YBa2Cu3Oy that sets in precisely at T*, throughout the doping phase diagram. They show that the CuO chains of the orthorhombic lattice are not responsible for this anisotropy, which is therefore an intrinsic property of the CuO2 planes. They conclude that the pseudogap phase is an electronic state that strongly breaks fourfold rotational symmetry. This narrows the range of possible states considerably, pointing to stripe or nematic order.

Suggested Citation

  • R. Daou & J. Chang & David LeBoeuf & Olivier Cyr-Choinière & Francis Laliberté & Nicolas Doiron-Leyraud & B. J. Ramshaw & Ruixing Liang & D. A. Bonn & W. N. Hardy & Louis Taillefer, 2010. "Broken rotational symmetry in the pseudogap phase of a high-Tc superconductor," Nature, Nature, vol. 463(7280), pages 519-522, January.
    • Handle: RePEc:nat:nature:v:463:y:2010:i:7280:d:10.1038_nature08716
    DOI: 10.1038/nature08716
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    Cited by:

    1. A. Singh & H. Y. Huang & J. D. Xie & J. Okamoto & C. T. Chen & T. Watanabe & A. Fujimori & M. Imada & D. J. Huang, 2022. "Unconventional exciton evolution from the pseudogap to superconducting phases in cuprates," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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