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FFLO state and anomalous flux quantization in the one-dimensional attractive Hubbard models with imbalanced spin populations
http://hdl.handle.net/10191/47680
1fd01c94-92de-48ab-9d5b-3b644c26fcd6
名前 / ファイル | ライセンス | アクション | |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-07-18 | |||||
タイトル | ||||||
タイトル | FFLO state and anomalous flux quantization in the one-dimensional attractive Hubbard models with imbalanced spin populations | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | FFLO state and anomalous flux quantization in the one-dimensional attractive Hubbard models with imbalanced spin populations | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FFLO state | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | flux quantization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | spin imbalance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | attractive Hubbard model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | exact diagonalization | |||||
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× Ono, Yoshiaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We examine anomalous flux quantization of the one-dimensional attractive Hubbard models with imbalanced spin populations by using the exact diagonalization method. In the single chain Hubbard model with sufficiently large attractive interaction and imbalanced spin populations, the period of the flux quanta is determined by the difference between the system size N_L and electron number N_e as h/(N_L − N_e)e, in contrast to the superconducting flux quanta of h/2e based on usual Cooper pairs and/or the period h/4e derived by the mean-field theory. We find that similar anomalous flux quantization appears in the zigzag and ladder Hubbard models with imbalanced spin populations, when the band structure near the Fermi levels is regarded to be almost equivalent to that of the single chain Hubbard model. | |||||
書誌情報 |
JPS Conference Proceedings en : JPS Conference Proceedings 巻 3, p. 015041-1-015041-6, 発行日 2014-06 |
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出版者 | ||||||
出版者 | The Physical Society of Japan | |||||
DOI | ||||||
関連識別子 | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.7566/JPSCP.3.015041 | |||||
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 | |||||
関連識別子 | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://journals.jps.jp/doi/abs/10.7566/JPSCP.3.015041 |