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Charge gap in the one-dimensional extended Hubbard model at quarter filling
http://hdl.handle.net/10191/26869
http://hdl.handle.net/10191/26869e00c6b0b-1f8d-420c-95eb-3203664b2999
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 | 2014-04-16 | |||||
タイトル | ||||||
タイトル | Charge gap in the one-dimensional extended Hubbard model at quarter filling | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Charge gap in the one-dimensional extended Hubbard model at quarter filling | |||||
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 | We propose a different combined approach, which consists of the exact diagonalization, renormalization group, and Bethe ansatz methods, for precise estimates of the charge gap Δ in the one-dimensional extended Hubbard model, with on-site and nearest-neighbor interactions U and V at quarter filling. This approach enables us to obtain the absolute value of Δ, including the prefactor, without ambiguity even in the critical regime of the metal-insulator transition (MIT) where Δ is exponentially small, beyond usual renormalization group methods and/or finite-size scaling approaches. The detailed results of Δ, down to the order of 10−10 near the MIT, are shown as contour lines on the U-V plane. | |||||
書誌情報 |
Physical review. Third series. B, Condensed matter and materials physics en : Physical review. Third series. B, Condensed matter and materials physics 巻 75, p. 113103-1-113103-4, 発行日 2007-03 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10980121 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11187113 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevB.75.113103 | |||||
権利 | ||||||
権利情報 | Copyright (C) 2007 The American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher | |||||
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.aps.org/prb/pdf/10.1103/PhysRevB.75.113103 |