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Magnetization plateaux in random frustrated S=1/2 Heisenberg chains
https://sucra.repo.nii.ac.jp/records/12520
https://sucra.repo.nii.ac.jp/records/125207f3f5ba6-e9c1-4102-a95d-09c9bae6d072
名前 / ファイル | ライセンス | アクション |
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A1001069.pdf (219.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-03-08 | |||||
タイトル | ||||||
タイトル | Magnetization plateaux in random frustrated S=1/2 Heisenberg chains | |||||
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 |
飛田, 和男
× 飛田, 和男 |
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著者 ローマ字 | ||||||
Hida, Kazuo | ||||||
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 72, 号 4, p. 911-915, 発行日 2003 |
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年月次 | ||||||
2003 | ||||||
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.72.911 | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://jpsj.ipap.jp/link?JPSJ/72/911/ | http://jpsj.ipap.jp/link?JPSJ/72/911/ | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The S = 1/2 frustrated Heisenberg chains with bond alternation is known to exhibit a magnetization plateau at half of the saturation magnetization Ms accompanied by the spontaneous translational symmetry breakdown. The effect of randomness on the magnetization process of this model is investigated. First we consider the mixture of the two kinds of chains both of which possess the Ms/2-plateau in the common interval of the magnetization field. The plateau at Ms/2 is found to vanish immediately if the randomness is switched on in agreement with Totsuka’s prediction. The small plateau also appears near the saturation field due to the localization of inverted spins around the minority bond. On the other hand, if the stronger bond is replaced by the ferromagnetic bonds randomly, the randomness induced fractional plateau appears as in the nonfrustrated case. The plateau at Ms/2 does not simply vanish but shifts and splits into two smaller plateaux. The magnetization on this plateau varies nonlinearly with 1 − p. The physical origin of this behavior is explained based on the strong coupling picture. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Copyright(c)2003 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 | ||||||
A1001069 |