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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

Local correlation effects on the s _±-and s_<++>-wave superconductivities mediated by magnetic and orbital fluctuations in the 5-orbital Hubbard model for iron pnictides

http://hdl.handle.net/10191/47676
http://hdl.handle.net/10191/47676
202219a1-8e2e-4bde-82c5-a52503487ebd
名前 / ファイル ライセンス アクション
82_123712.pdf 82_123712.pdf (466.0 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 Local correlation effects on the s _±-and s_<++>-wave superconductivities mediated by magnetic and orbital fluctuations in the 5-orbital Hubbard model for iron pnictides
タイトル
言語 en
タイトル Local correlation effects on the s _±-and s_<++>-wave superconductivities mediated by magnetic 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 theory
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 5-orbital Hubbard model
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 7101

Ishizuka, Jun

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Yamada, Takemi

× Yamada, Takemi

WEKO 7102

Yamada, Takemi

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Yanagi, Yuki

× Yanagi, Yuki

WEKO 7103

Yanagi, Yuki

Search repository
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 investigate the electronic state and the superconductivity in the 5-orbital Hubbard model for iron pnictides by using the dynamical mean-field theory in conjunction with the Eliashberg equation. The renormalization factor exhibits significant orbital dependence resulting in the large change in the band dispersion as observed in recent ARPES experiments. The critical interactions towards the magnetic, orbital and superconducting instabilities are suppressed as compared with those from the random phase approximation (RPA) due to local correlation effects. Remarkably, the s_<++>-pairing phase due to the orbital fluctuation is largely expanded relative to the RPA result, while the s_±-pairing phase due to the magnetic fluctuation is reduced.
書誌情報 Journal of the Physical Society of Japan
en : Journal of the Physical Society of Japan

巻 82, 号 12, p. 123712-1-123712-5, 発行日 2013-11
出版者
出版者 The Physical Society of Japan
ISSN
収録物識別子タイプ ISSN
収録物識別子 00319015
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00704814
DOI
識別子タイプ DOI
関連識別子 info:doi/10.7566/JPSJ.82.123712
権利
権利情報 Copyright (C) 2013 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/JPSJ.82.123712
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