Spectral evidence for Bogoliubov quasiparticle in triple-layered high- Tc superconductor Bi2Sr2Ca2Cu 3O10

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

研究成果: Conference article査読

1 被引用数 (Scopus)

抄録

The superconducting quasiparticle predicted by BCS theory is investigated in a triple-layered high-Tc cuprate Bi2Sr 2Ca2Cu3O10+δ, by angle-resolved photoemission spectroscopy (ARPES). We have succeeded in observing the quasiparticle dispersion below and above the Fermi level, and performed a quantitative analysis based on BCS theory. The excellent agreement in the energy dispersion and the coherence factors between the ARPES experiment and BCS theory indicates the basic validity of BCS formalism in describing the superconducting state of cuprates.

本文言語English
ページ(範囲)814-815
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
408-410
1-4
DOI
出版ステータスPublished - 2004 8月
イベントProceedings of the International Conference on Materials - Rio de Janeiro, Brazil
継続期間: 2003 5月 252003 5月 30

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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