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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

Dynamical mean-field study on the superconductivity mediated by spin and orbital fluctuations in the 5-orbital Hubbard model for iron pnictides

http://hdl.handle.net/10191/47679
http://hdl.handle.net/10191/47679
70e3320f-d69d-4574-b096-ecdc3895c027
名前 / ファイル ライセンス アクション
3_015020.pdf 3_015020.pdf (92.1 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-07-18
タイトル
タイトル Dynamical mean-field study on the superconductivity mediated by spin and orbital fluctuations in the 5-orbital Hubbard model for iron pnictides
タイトル
言語 en
タイトル Dynamical mean-field study on the superconductivity mediated by spin and orbital fluctuations in the 5-orbital Hubbard model for iron pnictides
言語
言語 eng
キーワード
主題Scheme Other
主題 dynamical mean-field approximation
キーワード
主題Scheme Other
主題 iron-based superconductor
キーワード
主題Scheme Other
主題 spin fluctuation
キーワード
主題Scheme Other
主題 orbital fluctuation
キーワード
主題Scheme Other
主題 Hubbard model
キーワード
主題Scheme Other
主題 anisotropic superconductivity
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Ishizuka, Jun

× Ishizuka, Jun

WEKO 7167

Ishizuka, Jun

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Yamada, Takemi

× Yamada, Takemi

WEKO 7168

Yamada, Takemi

Search repository
Yanagi, Yuki

× Yanagi, Yuki

WEKO 7169

Yanagi, Yuki

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Ono, Yoshiaki

× Ono, Yoshiaki

WEKO 62

Ono, Yoshiaki

Search repository
抄録
内容記述タイプ Abstract
内容記述 We investigate the electronic state and the superconductivity in the 5-orbital Hubbard model for iron pnictides by using the dynamical mean-field theory together with the linearized Eliashberg equation. The renormalization factor exhibits a significant orbital dependence resulting in the band-dependence of the mass enhancement. The critical interactions towards the magnetic, orbital and superconducting instabilities are calculated and found to be suppressed as compared to the corresponding RPA results due to the correlation effects. Remarkably, the s_<++>-pairing phase due to the orbital fluctuation is expanded as compared to the RPA result, while the s_±-pairing phase due to the magnetic fluctuation is largely reduced.
書誌情報 JPS Conference Proceedings
en : JPS Conference Proceedings

巻 3, p. 015020-1-015020-6, 発行日 2014-06
出版者
出版者 The Physical Society of Japan
DOI
識別子タイプ DOI
関連識別子 info:doi/10.7566/JPSCP.3.015020
権利
権利情報 Copyright (C) 2014 The Physical Society of Japan
著者版フラグ
値 author
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.jps.jp/doi/abs/10.7566/JPSCP.3.015020
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