Matches in SemOpenAlex for { <https://semopenalex.org/work/W4283689406> ?p ?o ?g. }
- W4283689406 abstract "Quantum channels are indispensable instruments for transmitting, extracting, and processing information. According to the spirit of the Bohr complementarity principle and the Heisenberg uncertainty principle, one expects that there are intrinsic tradeoff relations between state disturbance and information gain for any channel, which indeed have been widely studied and characterized from various angles. In this work, we investigate this issue from the perspective of information conservation. More specifically, we divide the information associated with a channel into three categories: transmitted information (quantified by operation fidelity), disturbance (quantified by the Hilbert-Schmidt norm), and extracted information (quantified by the increase of Tsallis-2 entropy), which are all derived naturally from a channel with direct physical motivations. We reveal basic properties of these three information-theoretic quantities and establish a triality relation between them. As applications, we apply these quantities to shed insights into the Mach-Zehnder interferometry and several prototypical channels." @default.
- W4283689406 created "2022-06-30" @default.
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- W4283689406 date "2022-06-29" @default.
- W4283689406 modified "2023-10-09" @default.
- W4283689406 title "Fidelity-disturbance-entropy tradeoff in quantum channels" @default.
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- W4283689406 doi "https://doi.org/10.1103/physreva.105.062458" @default.
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