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- W2949870931 abstract "In this article, we investigate the error bound of quantum discord, obtained by the analytic formula of Ali et al.[Phys. Rev. A 81(2010), 042105] in case of general X states and by the analytic formula of Fanchini et al.[Phys. Rev. A 81(2010), 052107] in case of symmetric X states. We show that results of Ali et. al. to general X states and Fanchini et al. to symmetric X states may have worst-case error of 0.004565 and 0.0009 respectively." @default.
- W2949870931 created "2019-06-27" @default.
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- W2949870931 date "2014-04-25" @default.
- W2949870931 modified "2023-10-18" @default.
- W2949870931 title "Revisiting Quantum discord for two-qubit X states: Error bound to Analytical formula" @default.
- W2949870931 doi "https://doi.org/10.48550/arxiv.1404.6329" @default.
- W2949870931 hasPublicationYear "2014" @default.
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