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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

Ferromagnetism and Superconductivity in the Multi-orbital Hubbard Model : Hund's Rule Coupling versus Crystal-Field Splitting

http://hdl.handle.net/10191/1153
http://hdl.handle.net/10191/1153
6223733d-11c2-4ee3-932a-425f2f4a3673
名前 / ファイル ライセンス アクション
19_0001.pdf 19_0001.pdf (275.1 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-04-23
タイトル
タイトル Ferromagnetism and Superconductivity in the Multi-orbital Hubbard Model : Hund's Rule Coupling versus Crystal-Field Splitting
タイトル
言語 en
タイトル Ferromagnetism and Superconductivity in the Multi-orbital Hubbard Model : Hund's Rule Coupling versus Crystal-Field Splitting
言語
言語 eng
キーワード
主題Scheme Other
主題 electronic structure
キーワード
主題Scheme Other
主題 ferromagnetism
キーワード
主題Scheme Other
主題 superconductivity
キーワード
主題Scheme Other
主題 Luttinger liquid
キーワード
主題Scheme Other
主題 Hubbard model
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Sano, Kazuhiro

× Sano, Kazuhiro

WEKO 7143

Sano, Kazuhiro

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Ono, Yoshiaki

× Ono, Yoshiaki

WEKO 62

Ono, Yoshiaki

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著者別名
識別子 62
識別子Scheme WEKO
姓名 大野, 義章
抄録
内容記述タイプ Abstract
内容記述 The multi-orbital Hubbard model in one dimension is studied using the numerical diagonalization method. Due to the effect of crystal-field splitting △, the fully polarized ferromagnetism, which is observed in the strong coupling regime, becomes unstable against the partially polarized ferromagnetism when Hund's rule coupling J is smaller than a certain critical value of order of △. In the vicinity of the partially polarized ferromagnetism, the orbital fluctuation develops due to the competition between Hund's rule coupling and crystal-field splitting. The superconducting phase with the Luttinger liquid parameter K_ρ> 1 is observed for the singlet ground state in this region..
書誌情報 Journal of the Physical Society of Japan
en : Journal of the Physical Society of Japan

巻 72, p. 1847-1850, 発行日 2003-08
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/10.1143/JPSJ.72.1847
権利
権利情報 The Physical Society of Japan
著者版フラグ
値 author
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