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

抄録

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.

本文言語English
ページ(範囲)305-306
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
388-389
DOI
出版ステータスPublished - 2003 5
外部発表はい
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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