Quantum capacity analysis of multi-level amplitude damping channels

Estimating the capacity of quantum channels is relevant to understand at which rate quantum information can be exchanged. Here, the authors introduce multi-level amplitude damping channels that generalize the qubit amplitude damping noise model, analyse their quantum and private capacities, and exac...

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Autores principales:	Stefano Chessa, Vittorio Giovannetti
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Astrophysics QB460-466 Physics QC1-999
Acceso en línea:	https://doaj.org/article/1e7426c9c2db458592d7c3836e1edc0d
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spelling	oai:doaj.org-article:1e7426c9c2db458592d7c3836e1edc0d2021-12-02T13:30:16ZQuantum capacity analysis of multi-level amplitude damping channels10.1038/s42005-021-00524-42399-3650https://doaj.org/article/1e7426c9c2db458592d7c3836e1edc0d2021-02-01T00:00:00Zhttps://doi.org/10.1038/s42005-021-00524-4https://doaj.org/toc/2399-3650Estimating the capacity of quantum channels is relevant to understand at which rate quantum information can be exchanged. Here, the authors introduce multi-level amplitude damping channels that generalize the qubit amplitude damping noise model, analyse their quantum and private capacities, and exactly derive the capacities of quantum channels that are not anti-degradable.Stefano ChessaVittorio GiovannettiNature PortfolioarticleAstrophysicsQB460-466PhysicsQC1-999ENCommunications Physics, Vol 4, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Astrophysics QB460-466 Physics QC1-999
spellingShingle	Astrophysics QB460-466 Physics QC1-999 Stefano Chessa Vittorio Giovannetti Quantum capacity analysis of multi-level amplitude damping channels
description	Estimating the capacity of quantum channels is relevant to understand at which rate quantum information can be exchanged. Here, the authors introduce multi-level amplitude damping channels that generalize the qubit amplitude damping noise model, analyse their quantum and private capacities, and exactly derive the capacities of quantum channels that are not anti-degradable.
format	article
author	Stefano Chessa Vittorio Giovannetti
author_facet	Stefano Chessa Vittorio Giovannetti
author_sort	Stefano Chessa
title	Quantum capacity analysis of multi-level amplitude damping channels
title_short	Quantum capacity analysis of multi-level amplitude damping channels
title_full	Quantum capacity analysis of multi-level amplitude damping channels
title_fullStr	Quantum capacity analysis of multi-level amplitude damping channels
title_full_unstemmed	Quantum capacity analysis of multi-level amplitude damping channels
title_sort	quantum capacity analysis of multi-level amplitude damping channels
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1e7426c9c2db458592d7c3836e1edc0d
work_keys_str_mv	AT stefanochessa quantumcapacityanalysisofmultilevelamplitudedampingchannels AT vittoriogiovannetti quantumcapacityanalysisofmultilevelamplitudedampingchannels
_version_	1718392901857181696

Quantum capacity analysis of multi-level amplitude damping channels

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