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Disordered ground states in a quantum frustrated spin chain with side chains
https://sucra.repo.nii.ac.jp/records/13260
https://sucra.repo.nii.ac.jp/records/132608c147fe0-d2ea-403f-b1f4-a27202010753
名前 / ファイル | ライセンス | アクション |
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A1002642.pdf (348.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-05-19 | |||||
タイトル | ||||||
タイトル | Disordered ground states in a quantum frustrated spin chain with side chains | |||||
言語 | ||||||
言語 | eng | |||||
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 |
Takano, Ken
× Takano, Ken× 飛田, 和男 |
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著者 ローマ字 | ||||||
Takano, Ken | ||||||
著者 ローマ字 | ||||||
Hida, Kazuo | ||||||
著者 所属 | ||||||
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) | ||||||
Toyota Technological Institute | ||||||
著者 所属(別言語) | ||||||
Division of Material Science, Graduate School of Science and Engineering, Saitama University | ||||||
書誌情報 |
PHYSICAL REVIEW B 巻 77, 号 13, p. 134412-1-134412-11, 発行日 2008 |
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年月次 | ||||||
2008-4 | ||||||
出版者名 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10980121 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevB.77.134412 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We study a frustrated mixed spin chain with side chains, where the spin species and the exchange interactions are spatially varied. A nonlinear sigma model method is formulated for this model, and a phase diagram with two disordered spin-gap phases is obtained for typical cases. Among them, we examine the case with a main chain, which consists of an alternating array of spin-1 and spin- = 1/2 sites, and side chains, each of which consists of a single spin-1/2 site, in great detail. Based on numerical, perturbational, and variational approaches, we propose a singlet cluster solid picture for each phase, where the ground state is expressed as a tensor product of local singlet states. | |||||
版 | ||||||
[出版社版] | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
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 | 2008-05-19 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002642 |