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Magnetic field induced antiferromagnetism in two-dimensional Hubbard model: Analysis of CeRhIn5
https://sucra.repo.nii.ac.jp/records/12548
https://sucra.repo.nii.ac.jp/records/125488461ecf2-b5a3-4dc0-9793-24f6391955d8
名前 / ファイル | ライセンス | アクション |
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A1000532.pdf (185.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-03-13 | |||||
タイトル | ||||||
タイトル | Magnetic field induced antiferromagnetism in two-dimensional Hubbard model: Analysis of CeRhIn5 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
佐宗, 哲郎
× 佐宗, 哲郎 |
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著者 ローマ字 | ||||||
Saso, Tetsuro | ||||||
著者 ローマ字 | ||||||
Sakurazawa, Keitaro | ||||||
著者 ローマ字 | ||||||
Kontani, Hiroshi | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科 | ||||||
著者 所属(別言語) | ||||||
Saitama University, Graduate School of Science and Engineering | ||||||
書誌情報 |
Journal of the Physical Society of Japan 巻 74, 号 1, p. 271-274, 発行日 2005 |
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年月次 | ||||||
2005 | ||||||
出版者名 | ||||||
出版者 | Physical Society of Japan | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1143/JPSJ.74.271 | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://jpsj.ipap.jp/link?JPSJ/74/271 | http://jpsj.ipap.jp/link?JPSJ/74/271 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We propose the mechanism for the magnetic field induced AFM state in a two-dimensional Hubbard model in the vicinity of the antiferromagnetic (AFM) quantum critical point (QCP),using the fluctuation-exchange (FLEX) approximation by taking the Zeeman energy due to magnetic field B into account. In the vicinity of the QCP, we find that the AFM correlation perpendicular to B is enhanced, whereas that parallel to B is reduced. This fact means that the finite magnetic field enhances TN, with the AFM order perpendicular to B. The increment of TN can be understood in terms of the reduction of both the quantum and the thermal fluctuations due to the magnetic field, which is brought by the self-energy effect within the FLEX approximation. The present study naturally explains the increment of TN in CeRhIn5 under the magnetic field found recently. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Copyright(c)2005 The Physical Society of Japan | |||||
版 | ||||||
[著者版] | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2007-03-05 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1000532 |