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Density Matrix Renormalization Group Study of Random Dimerized Antiferromagnetic Heisenberg Chains
https://sucra.repo.nii.ac.jp/records/13323
https://sucra.repo.nii.ac.jp/records/13323e313d1c5-b12b-4517-afd9-b67303bc8886
名前 / ファイル | ライセンス | アクション |
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A1002775.pdf (183.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-08-19 | |||||
タイトル | ||||||
タイトル | Density Matrix Renormalization Group Study of Random Dimerized Antiferromagnetic Heisenberg Chains | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | density matrix renormalization group | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | random dimerized antiferromagnetic Heisenberg chain | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | renormalization group theory | |||||
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物質科学部門 | ||||||
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 66, 号 10, p. 3237-3241, 発行日 1997 |
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年月次 | ||||||
1997-10 | ||||||
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.66.3237 | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://jpsj.ipap.jp/link?JPSJ/66/3237/ | http://jpsj.ipap.jp/link?JPSJ/66/3237/ | |||||
識別番号 その他 | ||||||
内容記述タイプ | Other | |||||
内容記述 | arXiv:cond-mat/9707239 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effect of dimerization on the random antiferomagnetic Heisenberg chain with spin 1/2 is studied by the density matrix renormalization group method. The ground state energy the energy gap distribution and the string order parameter are calculated. Using the finite size scaling analysis, the dimerization dependence of the these quantities are obtained. The ground state energy gain due to dimerization behaves as u(a) with a > 2 where u denotes the degree of dimerization, suggesting the absence of spin-Peierls instability. It is explicitly shown that the string long range order survives even in the presence of randomness. The string order behaves as u(2 beta) with beta similar to 0 37 in agreement with the recent prediction of real space renormalization group theory (beta = (3 - root 5)/2 similar or equal to 0.382). The physical picture of this behavior in this model is also discussed. | |||||
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 | 2008-08-20 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002775 |