Nature Communications (Apr 2023)

Testing electron–phonon coupling for the superconductivity in kagome metal CsV3Sb5

  • Yigui Zhong,
  • Shaozhi Li,
  • Hongxiong Liu,
  • Yuyang Dong,
  • Kohei Aido,
  • Yosuke Arai,
  • Haoxiang Li,
  • Weilu Zhang,
  • Youguo Shi,
  • Ziqiang Wang,
  • Shik Shin,
  • H. N. Lee,
  • H. Miao,
  • Takeshi Kondo,
  • Kozo Okazaki

DOI
https://doi.org/10.1038/s41467-023-37605-7
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 7

Abstract

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Electron-phonon coupling is thought to be too weak to be responsible for the superconducting Cooper pairing of the kagome metals AV3Sb5, but an experimental measurement is lacking. Here, the authors use ARPES measurements to find that electron-phonon coupling in CsV3Sb5 is strong enough to support the experimental superconducting transition.