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Density matrix renormalization group study of the S=1/2 anisotropic antiferromagnetic Heisenberg chains with quasiperiodic exchange modulation
https://sucra.repo.nii.ac.jp/records/13325
https://sucra.repo.nii.ac.jp/records/133252ab45b55-3783-42a9-83b1-fedf8933e993
名前 / ファイル | ライセンス | アクション |
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A1002767.pdf (912.9 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 the S=1/2 anisotropic antiferromagnetic Heisenberg chains with quasiperiodic exchange modulation | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | quasiperiodicity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | XXZ chain | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | precious mean chain | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | density matrix renormalization group | |||||
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) | ||||||
Department of Physics, Faculty of Science, Saitama University | ||||||
書誌情報 |
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 巻 69, 号 Suppl. A, p. 311-318, 発行日 2000 |
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年月次 | ||||||
2000-5 | ||||||
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 | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://wwwsoc.nii.ac.jp/jps/jpsj/pdf/69A/69A-311.pdf | http://wwwsoc.nii.ac.jp/jps/jpsj/pdf/69A/69A-311.pdf | |||||
識別番号 その他 | ||||||
内容記述タイプ | Other | |||||
内容記述 | arXiv:cond-mat/9911424v1 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The low energy behavior of the S = 1/2 antiferromagnetic XY-like XXZ chains with precious mean quasiperiodic exchange modulation is studied by the density matrix renormalization group method. It is found that the energy gap of the chain with length N scales as exp(-cN(omega)) with nonuniversal exponent omega if the Ising component of the exhange coupling is antiferromagnetic. This behavior is expected to be the characteristic feature of the quantum spin chains with relevant aperiodicity. This is in contrast to the XY chain for which the precious mean exchange modulation is marginal and the gap scales as N-z. On the contrary, it is also verified that the energy gap scales as N-1 if the Ising component of the exhange coupling is ferromagnetic. Our results are riot only consistent with the recent bosonization analysis of Vidal, Mouhanna and giamarchi(11)) but also clarify the nature of the strong coupling regime which is inaccesssible by the bosonization approach. | |||||
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 | ||||||
A1002767 |