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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/10191/268685802d0f5-676d-4482-bb94-369a7cee1b91
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
81(5)_054518.pdf (719.0 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 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 | ||||||
| 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 | en | |||||
| 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× Yamakawa, Youichi× 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 |
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| 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 | |||||
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| 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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Cite as
Yanagi, Yuki, Yamakawa, Youichi, Ono, Yoshiaki, 2010, 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: American Physical Society, 054518-1-054518-10 p.
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