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Simplifying the design of multilevel thermal machines using virtual qubits
https://oist.repo.nii.ac.jp/records/2373
https://oist.repo.nii.ac.jp/records/2373a981b151-0a84-49bb-859f-29784a9a3946
名前 / ファイル | ライセンス | アクション |
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Usui-2021-Simplifying the design of multilevel_1 (809.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-11-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Simplifying the design of multilevel thermal machines using virtual qubits | |||||
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) |
Usui, Ayaka
× Usui, Ayaka× Niedenzu, Wolfgang× Huber, Marcus |
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書誌情報 |
en : Physical Review A 巻 104, 号 4, p. 042224, 発行日 2021-10-27 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Quantum thermodynamics often deals with the dynamics of small quantum machines interfacing with a large and complex environment. Virtual qubits, collisional models, and reset master equations have become highly useful tools for predicting the qualitative behavior of two-dimensional target systems coupled to few-qubit machines and a thermal environment. While few successes in matching the simplified model parameters for all possible physical systems are known, the qualitative predictions still allow for a general design of quantum machines irrespective of the implementation. We generalise these tools by introducing multiple competing virtual qubits for modeling multidimensional systems coupled to larger and more complex machines. By simulating the full physical dynamics for targets with three dimensions, we uncover general properties of reset models that can be used as “dials” to correctly predict the qualitative features of physical changes in a realistic setup and thus design autonomous quantum machines beyond a few qubits. We then present a general analytic solution of the reset model for arbitrary-dimensional systems coupled to multiqubit machines. Finally, we showcase an improved three-level laser as an exemplary application of our results. | |||||
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 | 2469-9926 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9934 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevA.104.042224 | |||||
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/pra/abstract/10.1103/PhysRevA.104.042224 | |||||
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 |