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Superconductivity in the One-Dimensional Two-Orbital Hubbard Model with Finite Band Splitting
http://hdl.handle.net/10191/26890
http://hdl.handle.net/10191/2689065d21b41-9e12-4617-8642-8ae2bef342ea
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
1007.pdf (106.3 kB)
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| 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 | Superconductivity in the One-Dimensional Two-Orbital Hubbard Model with Finite Band Splitting | |||||
| タイトル | ||||||
| タイトル | Superconductivity in the One-Dimensional Two-Orbital Hubbard Model with Finite Band Splitting | |||||
| 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 |
Sano, K.
× Sano, K.× Ono, Y. |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Using the numerical diagonalization method, we investigate superconductivity and related ferromagnetism in the one-dimensional two-orbital Hubbard model with a finite band splitting at less than half filling. We obtain a superconducting (SC) region with the Luttinger liquid parameter Kρ>1 and confirm the anomalous flux quantization in the SC state. It is found that the SC phase appears near the partially polarized ferromagnetic phase. We also calculate various pairing correlation functions to clarify the nature of the SC phase. Detailed analysis of these functions indicates that the triplet pairing between the nearest neighbour sites is relevant to the superconductivity. It suggests that ferromagnetic fluctuation plays an important role for the superconductivity. | |||||
| 書誌情報 |
Journal of Physics: Condensed Matter en : Journal of Physics: Condensed Matter 巻 19, 号 14, p. 145284-1-145284-6, 発行日 2007-03 |
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| 出版者 | ||||||
| 出版者 | IOP Publishing | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 09538984 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA10672168 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | info:doi/10.1088/0953-8984/19/14/145284 | |||||
| 著者版フラグ | ||||||
| 値 | author | |||||
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Cite as
Sano, K., Ono, Y., 2007, Superconductivity in the One-Dimensional Two-Orbital Hubbard Model with Finite Band Splitting: IOP Publishing, 145284-1-145284-6 p.
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