Bound on optimal local discrimination of multipartite quantum states

We consider the unambiguous discrimination of multipartite quantum states and provide an upper bound for the maximum success probability of optimal local discrimination. We also provide a necessary and sufficient condition to realize the upper bound. We further establish a necessary and sufficient c...

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Detalles Bibliográficos
Autores principales: Ha, Donghoon, Kim, Jeong San
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9391471/
https://www.ncbi.nlm.nih.gov/pubmed/35986052
http://dx.doi.org/10.1038/s41598-022-18496-y
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author Ha, Donghoon
Kim, Jeong San
author_facet Ha, Donghoon
Kim, Jeong San
author_sort Ha, Donghoon
collection PubMed
description We consider the unambiguous discrimination of multipartite quantum states and provide an upper bound for the maximum success probability of optimal local discrimination. We also provide a necessary and sufficient condition to realize the upper bound. We further establish a necessary and sufficient condition for this upper bound to be saturated. Finally, we illustrate our results using examples in multidimensional multipartite quantum systems.
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spelling pubmed-93914712022-08-21 Bound on optimal local discrimination of multipartite quantum states Ha, Donghoon Kim, Jeong San Sci Rep Article We consider the unambiguous discrimination of multipartite quantum states and provide an upper bound for the maximum success probability of optimal local discrimination. We also provide a necessary and sufficient condition to realize the upper bound. We further establish a necessary and sufficient condition for this upper bound to be saturated. Finally, we illustrate our results using examples in multidimensional multipartite quantum systems. Nature Publishing Group UK 2022-08-19 /pmc/articles/PMC9391471/ /pubmed/35986052 http://dx.doi.org/10.1038/s41598-022-18496-y Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Ha, Donghoon
Kim, Jeong San
Bound on optimal local discrimination of multipartite quantum states
title Bound on optimal local discrimination of multipartite quantum states
title_full Bound on optimal local discrimination of multipartite quantum states
title_fullStr Bound on optimal local discrimination of multipartite quantum states
title_full_unstemmed Bound on optimal local discrimination of multipartite quantum states
title_short Bound on optimal local discrimination of multipartite quantum states
title_sort bound on optimal local discrimination of multipartite quantum states
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9391471/
https://www.ncbi.nlm.nih.gov/pubmed/35986052
http://dx.doi.org/10.1038/s41598-022-18496-y
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