Please use this identifier to cite or link to this item: https://doi.org/10.1080/09500340903094601
Title: How well can you know the edge of a quantum pyramid?
Authors: Englert, B.-G. 
Řeháček, J.
Keywords: Accessible information
Minimum-error measurement
Quantum state discrimination
Unambiguous discrimination
Issue Date: Jan-2010
Citation: 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
URI: http://scholarbank.nus.edu.sg/handle/10635/96838
ISSN: 09500340
DOI: 10.1080/09500340903094601
Appears in Collections:Staff Publications

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