Superconductivity due to charge fluctuation on a triangular lattice

Yasuhiro Tanaka; Yoichi Yanase; Masao Ogata

doi:10.1016/j.physb.2005.01.160

Superconductivity due to charge fluctuation on a triangular lattice

Yasuhiro Tanaka, Yoichi Yanase, Masao Ogata

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Motivated by superconductivity in the newly discovered Co-based oxide, we study a single-band extended Hubbard model on a triangular lattice within the random phase approximation. We show that f-wave triplet superconductivity is stabilized in the vicinity of charge-density-wave instability. The physical origin of the realization of the f-wave triplet state is discussed.

Original language	English
Pages (from-to)	591-593
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	359-361
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physb.2005.01.160
Publication status	Published - 2005 Apr 30
Externally published	Yes

Keywords

Charge fluctuation
Random phase approximation
Triplet superconductivity

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Superconductivity due to charge fluctuation on a triangular lattice",

abstract = "Motivated by superconductivity in the newly discovered Co-based oxide, we study a single-band extended Hubbard model on a triangular lattice within the random phase approximation. We show that f-wave triplet superconductivity is stabilized in the vicinity of charge-density-wave instability. The physical origin of the realization of the f-wave triplet state is discussed.",

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AU - Yanase, Yoichi

AU - Ogata, Masao

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N2 - Motivated by superconductivity in the newly discovered Co-based oxide, we study a single-band extended Hubbard model on a triangular lattice within the random phase approximation. We show that f-wave triplet superconductivity is stabilized in the vicinity of charge-density-wave instability. The physical origin of the realization of the f-wave triplet state is discussed.

AB - Motivated by superconductivity in the newly discovered Co-based oxide, we study a single-band extended Hubbard model on a triangular lattice within the random phase approximation. We show that f-wave triplet superconductivity is stabilized in the vicinity of charge-density-wave instability. The physical origin of the realization of the f-wave triplet state is discussed.

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KW - Random phase approximation

KW - Triplet superconductivity

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