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Absence of classical long-range order in an S=1/2 Heisenberg antiferromagnet on a triangular lattice
https://iwate-u.repo.nii.ac.jp/records/14046
https://iwate-u.repo.nii.ac.jp/records/14046dbc9eac3-1b86-4ff4-a638-0b1f2657c287
名前 / ファイル | ライセンス | アクション |
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prb-v90p184414.pdf (463.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-02-06 | |||||
タイトル | ||||||
タイトル | Absence of classical long-range order in an S=1/2 Heisenberg antiferromagnet on a triangular lattice | |||||
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 |
Suzuki, Nobuo
× Suzuki, Nobuo× Matsubara, Fumitaka× Fujiki, Sumiyoshi× Shirakura, Takayuki |
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著者(機関) | ||||||
Faculty of Science and Technology, Tohoku Bunka Gakuen University | ||||||
著者(機関) | ||||||
Department of Applied Physics, Tohoku University | ||||||
著者(機関) | ||||||
Faculty of Science and Technology, Tohoku Bunka Gakuen University | ||||||
著者(機関) | ||||||
Faculty of Humanities and Social Sciences, Iwate University | ||||||
登録日 | ||||||
日付 | 2015-02-06 | |||||
書誌情報 |
PHYSICAL REVIEW B 巻 90, 号 18, p. 184414-1-184414-4, 発行日 2014-11-01 |
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Abstract | ||||||
内容記述タイプ | Other | |||||
内容記述 | We study the quantum phase transition of an S=1/2 anisotropic α (≡Jz/Jxy) Heisenberg antiferromagnet on a triangular lattice. We calculate the sublattice magnetization and the long-range helical order parameter and their Binder ratios on finite systems with N≤36 sites. The N dependence of the Binder ratios reveals that the classical 120∘ Néel state occurs for α≲0.55, whereas a critical collinear state occurs for 1/α≲0.6. This result is at odds with a widely held belief that the ground state of a Heisenberg antiferromagnet is the 120∘ Néel state, but it also provides a possible mechanism explaining experimentally observed spin liquids. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
権利 | ||||||
権利情報 | ©2014 American Physical Society | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1103/PhysRevB.90.184414 | |||||
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 |