Fermi-Liquid Ground State in the [Formula presented]-Type [Formula presented] Copper-Oxide Superconductor

Guo qing Zheng, T. Sato, Y. Kitaoka, M. Fujita, K. Yamada

研究成果: Article査読

10 被引用数 (Scopus)

抄録

We report nuclear magnetic resonance studies on the low-doped [Formula presented]-type copper-oxide [Formula presented] ([Formula presented]) in the superconducting state and in the normal state uncovered by the application of a strong magnetic field. We find that when the superconductivity is removed the underlying ground state is the Fermi liquid state. This result is at variance with that inferred from previous thermal conductivity measurement and appears to contrast with that in [Formula presented]-type copper oxides with a similar doping level where high-[Formula presented] superconductivity sets in within the pseudogap phase. The data in the superconducting state are consistent with the line-node gap model.

本文言語English
ページ(範囲)4
ページ数1
ジャーナルPhysical review letters
90
19
DOI
出版ステータスPublished - 2003
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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