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題名 Complementarity relations of a delayed-choice quantum eraser in a quantum circuit
作者 許琇娟
Hsu, Hsiu-Chuan;Chiou, Dah-Wei
貢獻者 應物所
日期 2024-01
上傳時間 12-Dec-2024 09:27:44 (UTC+8)
摘要 We propose a quantum circuit that implements a delayed-choice quantum eraser via bipartite entanglement with the extension that the degree of entanglement between the two paired quantons is adjustable. This provides a broader setting to test complementarity relations between interference visibility and which-way distinguishability in the scenario that the which-way information is obtained through entanglement without direct contact with the quantum state for interference. The visibility-distinguishability relations are investigated from three perspectives that differ in how the which-way information is taken into consideration. These complementarity relations can be understood in terms of entropic uncertainty relations in the information-theoretic framework and the triality relation that incorporates single-particle and bipartite properties. We then perform experiments on the quantum computers provided by the IBM Quantum platform to verify the theoretical predictions. We also apply the delay gate to delay the measurement of the which-way information to affirm that the measurement can be made truly in the “delayed-choice” manner.
關聯 Quantum Information Processing, Vol.23, article number 18
資料類型 article
DOI https://doi.org/10.1007/s11128-023-04214-8
dc.contributor 應物所
dc.creator (作者) 許琇娟
dc.creator (作者) Hsu, Hsiu-Chuan;Chiou, Dah-Wei
dc.date (日期) 2024-01
dc.date.accessioned 12-Dec-2024 09:27:44 (UTC+8)-
dc.date.available 12-Dec-2024 09:27:44 (UTC+8)-
dc.date.issued (上傳時間) 12-Dec-2024 09:27:44 (UTC+8)-
dc.identifier.uri (URI) https://nccur.lib.nccu.edu.tw/handle/140.119/154745-
dc.description.abstract (摘要) We propose a quantum circuit that implements a delayed-choice quantum eraser via bipartite entanglement with the extension that the degree of entanglement between the two paired quantons is adjustable. This provides a broader setting to test complementarity relations between interference visibility and which-way distinguishability in the scenario that the which-way information is obtained through entanglement without direct contact with the quantum state for interference. The visibility-distinguishability relations are investigated from three perspectives that differ in how the which-way information is taken into consideration. These complementarity relations can be understood in terms of entropic uncertainty relations in the information-theoretic framework and the triality relation that incorporates single-particle and bipartite properties. We then perform experiments on the quantum computers provided by the IBM Quantum platform to verify the theoretical predictions. We also apply the delay gate to delay the measurement of the which-way information to affirm that the measurement can be made truly in the “delayed-choice” manner.
dc.format.extent 106 bytes-
dc.format.mimetype text/html-
dc.relation (關聯) Quantum Information Processing, Vol.23, article number 18
dc.title (題名) Complementarity relations of a delayed-choice quantum eraser in a quantum circuit
dc.type (資料類型) article
dc.identifier.doi (DOI) 10.1007/s11128-023-04214-8
dc.doi.uri (DOI) https://doi.org/10.1007/s11128-023-04214-8