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A many-body heat engine at criticality
https://oist.repo.nii.ac.jp/records/1832
https://oist.repo.nii.ac.jp/records/1832ef192e04-626e-4965-838b-a511c8f1abc0
名前 / ファイル | ライセンス | アクション |
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Fogarty_2021_Quantum_Sci._Technol._6_015003 (1.7 MB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-12-09 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A many-body heat engine at criticality | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | quantum thermodynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ultracold atoms | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | quantum criticality | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Tonks-Girardeau gas | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shortcuts to adiabaticity | |||||
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) |
Fogarty, Thomás
× Fogarty, Thomás× Busch, Thomas |
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書誌情報 |
en : Quantum Science and Technology 巻 6, 号 1, p. 015003, 発行日 2020-11-06 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We show that a quantum Otto cycle in which the medium, an interacting ultracold gas, is driven between a superfluid and an insulating phase can outperform similar single particle cycles. The presence of an energy gap between the two phases can be used to improve performance, while the interplay between lattice forces and the particle distribution can lead to a many-body cooperative effect. Since finite time driving of this cycle can create unwanted non-equilibrium dynamics which can significantly impair the performance of the engine cycle, we also design an approximate shortcut to adiabaticity for the many-body state that can be used to achieve an efficient Otto cycle around a critical point. | |||||
出版者 | ||||||
出版者 | IOP Publishing Ltd. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2058-9565 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1088/2058-9565/abbc63 | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://iopscience.iop.org/article/10.1088/2058-9565/abbc63 | |||||
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 |