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Universal nodal Fermi velocity

Author

Listed:
  • X. J. Zhou

    (Applied Physics and SSRL, Stanford University
    Advanced Light Source, Lawrence Berkeley National Laboratory)

  • T. Yoshida

    (Applied Physics and SSRL, Stanford University
    University of Tokyo, Bunkyo-ku)

  • A. Lanzara

    (Applied Physics and SSRL, Stanford University
    Advanced Light Source, Lawrence Berkeley National Laboratory)

  • P. V. Bogdanov

    (Applied Physics and SSRL, Stanford University)

  • S. A. Kellar

    (Applied Physics and SSRL, Stanford University)

  • K. M. Shen

    (Applied Physics and SSRL, Stanford University)

  • W. L. Yang

    (Applied Physics and SSRL, Stanford University
    Advanced Light Source, Lawrence Berkeley National Laboratory)

  • F. Ronning

    (Applied Physics and SSRL, Stanford University)

  • T. Sasagawa

    (Applied Physics and SSRL, Stanford University)

  • T. Kakeshita

    (University of Tokyo, Bunkyo-ku)

  • T. Noda

    (University of Tokyo, Bunkyo-ku)

  • H. Eisaki

    (University of Tokyo, Bunkyo-ku)

  • S. Uchida

    (University of Tokyo, Bunkyo-ku)

  • C. T. Lin

    (Max-Planck-Institut für Festkörperforschung)

  • F. Zhou

    (National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences)

  • J. W. Xiong

    (National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences)

  • W. X. Ti

    (National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences)

  • Z. X. Zhao

    (National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences)

  • A. Fujimori

    (University of Tokyo, Bunkyo-ku)

  • Z. Hussain

    (Advanced Light Source, Lawrence Berkeley National Laboratory)

  • Z.-X. Shen

    (Applied Physics and SSRL, Stanford University)

Abstract

The mechanism that causes high-temperature superconductivity in copper oxide materials (cuprates) is still unknown, more than 15 years after it was discovered1. As the charge carriers (electrons or holes) are introduced into the parent antiferromagnetic insulator, a process called doping, the material evolves from an insulator to a superconductor, and eventually to a normal metal. This marked change of physical properties with doping2,3,4,5,6,7 indicates that doping dependence (non-universality) might be a general feature of these materials, but we find that, on the contrary, the low-energy Fermi velocity of electrons is in fact universal, even among different superconductor families.

Suggested Citation

  • X. J. Zhou & T. Yoshida & A. Lanzara & P. V. Bogdanov & S. A. Kellar & K. M. Shen & W. L. Yang & F. Ronning & T. Sasagawa & T. Kakeshita & T. Noda & H. Eisaki & S. Uchida & C. T. Lin & F. Zhou & J. W., 2003. "Universal nodal Fermi velocity," Nature, Nature, vol. 423(6938), pages 398-398, May.
    • Handle: RePEc:nat:nature:v:423:y:2003:i:6938:d:10.1038_423398a
    DOI: 10.1038/423398a
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    Cited by:

    1. Dan Sun & Vasily S. Minkov & Shirin Mozaffari & Ying Sun & Yanming Ma & Stella Chariton & Vitali B. Prakapenka & Mikhail I. Eremets & Luis Balicas & Fedor F. Balakirev, 2021. "High-temperature superconductivity on the verge of a structural instability in lanthanum superhydride," Nature Communications, Nature, vol. 12(1), pages 1-7, December.

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