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|Title:||How well can you know the edge of a quantum pyramid?|
|Authors:||Englert, B.-G. |
Quantum state discrimination
|Source:||Englert, B.-G., Řeháček, J. (2010-01). How well can you know the edge of a quantum pyramid?. Journal of Modern Optics 57 (3) : 218-226. ScholarBank@NUS Repository. https://doi.org/10.1080/09500340903094601|
|Abstract:||We consider a symmetric quantum communication scenario in which the signal states are edges of a quantum pyramid of arbitrary dimension and arbitrary shape, and all edge states are transmitted with the same probability. The receiver could employ different decoding strategies: he could minimize the error probability, or discriminate without ambiguity, or extract the accessible information. We state the optimal measurement scheme for each strategy. For large parameter ranges, the standard square-root measurement does not extract the information optimally.|
|Source Title:||Journal of Modern Optics|
|Appears in Collections:||Staff Publications|
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