Direct evidence for superconducting quasiparticle in triple-layered high-Tc superconductor

T. Takahashi, H. Matsui, T. Sato, S. C. Wang, H. B. Yang, H. Ding, T. Fujii, T. Watanabe, A. Matsuda

研究成果: Conference article査読


We have performed angle-resolved photoemission spectroscopy (ARPES) on triple-layered high-Tc cuprate superconductor Bi2Sr2Ca2Cu3O10+δ. We found a direct experimental evidence for Bogoliubov quasiparticle in high-Tc cuprates by observing the full energy dispersion below and above the Fermi level. The excellent quantitative agreement in the dispersion as well as the coherence factors between the ARPES experiment and Bardeen, Cooper and Shrieffer (BCS) theory establishes the validity and universality of the basic framework of BCS theory in high-Tc cuprates.

ジャーナルPhysica C: Superconductivity and its applications
出版ステータスPublished - 2003 5
イベントproceedings of the 23rd international conference on low temper - Hiroshima, Japan
継続期間: 2002 8 202002 8 27

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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