Nature Communications (Mar 2023)

Fano interference between collective modes in cuprate high-T c superconductors

  • Hao Chu,
  • Sergey Kovalev,
  • Zi Xiao Wang,
  • Lukas Schwarz,
  • Tao Dong,
  • Liwen Feng,
  • Rafael Haenel,
  • Min-Jae Kim,
  • Parmida Shabestari,
  • Le Phuong Hoang,
  • Kedar Honasoge,
  • Robert David Dawson,
  • Daniel Putzky,
  • Gideok Kim,
  • Matteo Puviani,
  • Min Chen,
  • Nilesh Awari,
  • Alexey N. Ponomaryov,
  • Igor Ilyakov,
  • Martin Bluschke,
  • Fabio Boschini,
  • Marta Zonno,
  • Sergey Zhdanovich,
  • Mengxing Na,
  • Georg Christiani,
  • Gennady Logvenov,
  • David J. Jones,
  • Andrea Damascelli,
  • Matteo Minola,
  • Bernhard Keimer,
  • Dirk Manske,
  • Nanlin Wang,
  • Jan-Christoph Deinert,
  • Stefan Kaiser

DOI
https://doi.org/10.1038/s41467-023-36787-4
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 7

Abstract

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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.