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Speeding up a quantum refrigerator via counterdiabatic driving
https://repo.qst.go.jp/records/76596
https://repo.qst.go.jp/records/765967ce6c5b3-b9c2-484e-96b6-39483c7384e7
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-08-28 | |||||
タイトル | ||||||
タイトル | Speeding up a quantum refrigerator via counterdiabatic driving | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Funo, Ken
× Funo, Ken× Lambert, Neill× Karimi, Bayan× P. Pekola, Jukka× Masuyama, Yuta× Nori, Franco× Masuyama, Yuta |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We study the application of a counterdiabatic driving (CD) technique to enhance the thermodynamic efficiency and power of a quantum Otto refrigerator based on a superconducting qubit coupled to two resonant circuits. Although the CD technique is originally designed to counteract nonadiabatic coherent excitations in isolated systems, we find that it also works effectively in the open system dynamics, improving the coherence-induced losses of efficiency and power. We compare the CD dynamics with its classical counterpart, and find a deviation that arises because the CD is designed to follow the energy eigenbasis of the original Hamiltonian, but the heat baths thermalize the system in a different basis. We also discuss possible experimental realizations of our model. | |||||
書誌情報 |
Physical Review B 巻 100, 号 3, p. 035407-1-035407-8, 発行日 2019-07 |
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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 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1103/PhysRevB.100.035407 | |||||
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.100.035407 |