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Random magnetism in S=1/2 Heisenberg chains with bond alternation and randomness on the strong bonds
https://sucra.repo.nii.ac.jp/records/12521
https://sucra.repo.nii.ac.jp/records/125219dc0a08d-818f-4fc8-ab7a-88126f0c3c8c
名前 / ファイル | ライセンス | アクション |
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A1001097.pdf (247.7 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 | Random magnetism in S=1/2 Heisenberg chains with bond alternation and randomness on the strong bonds | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | random quantum spin chain | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | bond alternation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | DMRG | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | disorder induced order | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetization plateau | |||||
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) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
書誌情報 |
Journal of the Physical Society of Japan 巻 72, 号 3, p. 688-693, 発行日 2003 |
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年月次 | ||||||
2003 | ||||||
出版者名 | ||||||
出版者 | Physical Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319015 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1143/JPSJ.72.688 | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://jpsj.ipap.jp/link?JPSJ/72/688/ | http://jpsj.ipap.jp/link?JPSJ/72/688/ | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The S = 1/2 Heisenberg chains with bond alternation and randomness on the strong bonds are studied by the density matrix renormalization group method. It is assumed that the oddth bond is antiferromagnetic with strength J and even-th bond can take the values JA and JF (JA > J > 0 > JF) randomly. The ground state of this model interpolates between the Haldane and dimer phases via a randomness dominated intermediate phase. Based on the scaling of the low energy spectrum and mean field treatment of the interchain coupling, it is found that the magnetic long range order is induced by randomness in the intermediate regime. In the magnetization curves, there appears a plateau at the fractional value of thesaturated magnetization. The fine structures of the magnetization curves and low energy spectrum are understood based on the cluster picture. The relation with the recent experiment for (CH3)2CHNH3Cu(ClxBr1−x)3 is discussed. | |||||
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 | ||||||
A1001097 |