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  1. 050 理学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

Two types of s-wave pairing due to magnetic and orbital fluctuations in the two-dimensional 16-band d-p model for iron-based superconductors

http://hdl.handle.net/10191/26868
http://hdl.handle.net/10191/26868
5802d0f5-676d-4482-bb94-369a7cee1b91
名前 / ファイル ライセンス アクション
81(5)_054518.pdf 81(5)_054518.pdf (719.0 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-04-16
タイトル
タイトル Two types of s-wave pairing due to magnetic and orbital fluctuations in the two-dimensional 16-band d-p model for iron-based superconductors
タイトル
言語 en
タイトル Two types of s-wave pairing due to magnetic and orbital fluctuations in the two-dimensional 16-band d-p model for iron-based superconductors
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Yanagi, Yuki

× Yanagi, Yuki

WEKO 37486

Yanagi, Yuki

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Yamakawa, Youichi

× Yamakawa, Youichi

WEKO 37487

Yamakawa, Youichi

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Ono, Yoshiaki

× Ono, Yoshiaki

WEKO 62

Ono, Yoshiaki

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抄録
内容記述タイプ Abstract
内容記述 We study superconductivity in the two-dimensional 16-band d-p model extracted from a tight-binding fit to the band structure of LaFeAsO, using the random phase approximation. When the intraorbital repulsion U is larger than the interorbital one U' , an extended s-wave (s±wave) pairing with sign reversal of order parameter is mediated by antiferromagnetic spin fluctuations, while when U<U' another kind of s-wave (s++-wave) pairing without sign reversal is mediated by ferro-orbital fluctuations. The s++-wave pairing is enhanced due to the electron-phonon coupling and then can be expanded over the realistic parameter region with U>U'.
書誌情報 Physical review. Third series. B, Condensed matter and materials physics
en : Physical review. Third series. B, Condensed matter and materials physics

巻 81, 号 5, p. 054518-1-054518-10, 発行日 2010-02
出版者
出版者 American Physical Society
ISSN
収録物識別子タイプ ISSN
収録物識別子 10980121
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11187113
DOI
識別子タイプ DOI
関連識別子 info:doi/10.1103/PhysRevB.81.054518
権利
権利情報 Copyright (C) 2010 The American Physical Society
著者版フラグ
値 publisher
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://journals.aps.org/prb/pdf/10.1103/PhysRevB.81.054518
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