Superconductivity in NaxCoO2·yH2O due to charge fluctuation

Yasuhiro Tanaka*, Youichi Yanase, Masao Ogata

*この研究の対応する著者

研究成果: Article査読

76 被引用数 (Scopus)

抄録

A new mechanism of superconductivity due to charge fluctuation in the newly discovered Co-based oxide is proposed. A single-band extended Hubbard model on a triangular lattice is studied within the random phase approximation, f-wave triplet superconductivity is stabilized in the vicinity of charge-density-wave instability, which is in sharp contrast to the square-lattice case. The physical origin of the realization of the f-wave triplet state as well as its relevance to experiments are discussed.

本文言語English
ページ(範囲)319-322
ページ数4
ジャーナルjournal of the physical society of japan
73
2
DOI
出版ステータスPublished - 2004 2月
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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