Entropic singularities give rise to quantum transmission

Non-additivity of the quantum channel coherent information is known to occur in some very noisy channels, but its fundamental origin is unclear. Here, the author explains its link with log singularity of quantum entropy, and shows that it can also come up for low-noise channels.

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Autor principal:	Vikesh Siddhu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/614ee04c9b8e48dfb369cd0c23414d10
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spelling	oai:doaj.org-article:614ee04c9b8e48dfb369cd0c23414d102021-12-02T18:51:09ZEntropic singularities give rise to quantum transmission10.1038/s41467-021-25954-02041-1723https://doaj.org/article/614ee04c9b8e48dfb369cd0c23414d102021-10-01T00:00:00Zhttps://doi.org/10.1038/s41467-021-25954-0https://doaj.org/toc/2041-1723Non-additivity of the quantum channel coherent information is known to occur in some very noisy channels, but its fundamental origin is unclear. Here, the author explains its link with log singularity of quantum entropy, and shows that it can also come up for low-noise channels.Vikesh SiddhuNature PortfolioarticleScienceQENNature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Vikesh Siddhu Entropic singularities give rise to quantum transmission
description	Non-additivity of the quantum channel coherent information is known to occur in some very noisy channels, but its fundamental origin is unclear. Here, the author explains its link with log singularity of quantum entropy, and shows that it can also come up for low-noise channels.
format	article
author	Vikesh Siddhu
author_facet	Vikesh Siddhu
author_sort	Vikesh Siddhu
title	Entropic singularities give rise to quantum transmission
title_short	Entropic singularities give rise to quantum transmission
title_full	Entropic singularities give rise to quantum transmission
title_fullStr	Entropic singularities give rise to quantum transmission
title_full_unstemmed	Entropic singularities give rise to quantum transmission
title_sort	entropic singularities give rise to quantum transmission
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/614ee04c9b8e48dfb369cd0c23414d10
work_keys_str_mv	AT vikeshsiddhu entropicsingularitiesgiverisetoquantumtransmission
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Entropic singularities give rise to quantum transmission

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