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Signatures of finite-temperature mirror symmetry breaking in the S=1/2 Shastry-Sutherland model
https://oist.repo.nii.ac.jp/records/2077
https://oist.repo.nii.ac.jp/records/20775b4996f9-c6fb-4c5d-bf60-8212114b18fb
名前 / ファイル | ライセンス | アクション |
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Shimokawa-2021-Signatures of finite-temperatur (2.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-05-17 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Signatures of finite-temperature mirror symmetry breaking in the S=1/2 Shastry-Sutherland model | |||||
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(英) |
Shimokawa, Tokuro
× Shimokawa, Tokuro |
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書誌情報 |
en : Physical Review B 巻 103, 号 13, p. 134419, 発行日 2021-04-13 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We investigate the finite-temperature properties of the S=1/2 Shastry-Sutherland Heisenberg model using a quantum typicality method. In the intermediate plaquette state region, we naturally expect to realize the finite-temperature phase transition associated with breaking the mirror symmetry of this model. We reveal some signatures of the spontaneous phase transition within a two-point correlation level at moderate temperatures since the constructed typical state can sense the existence of the degenerated excited states depending on the initial random state. We also confirm that the local mirror order parameter shows the intriguing recovering phenomenon of the mirror symmetry in very low temperatures, which could be understood from the nature of the ground and excited states of the finite-size systems. We expect that this recovering feature will disappear; instead, a saturated behavior appears in the local mirror order parameter in the thermodynamic limit. We discuss the relationship to the recent experimental results on SrCu2(BO3)2 under high pressures. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9950 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9969 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevB.103.134419 | |||||
権利 | ||||||
権利情報 | © 2021 American Physical Society | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/prb/abstract/10.1103/PhysRevB.103.134419 | |||||
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 |