Supremum of block entanglement for symmetric Gaussian states

Abstract For a system composed of permutationally symmetric Gaussian modes, by identifying the boundary of valid states and making necessary change of variables, the existence and exact value of the supremum of logarithmic negativity (and negativity likewise) between any two blocks can be shown anal...

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Auteurs principaux:	Jhih-Yuan Kao, Chung-Hsien Chou
Format:	article
Langue:	EN
Publié:	Nature Portfolio 2018
Sujets:	Medicine R Science Q
Accès en ligne:	https://doaj.org/article/6e2c849a521e450983012ac770da192f
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spelling	oai:doaj.org-article:6e2c849a521e450983012ac770da192f2021-12-02T16:08:26ZSupremum of block entanglement for symmetric Gaussian states10.1038/s41598-018-25781-22045-2322https://doaj.org/article/6e2c849a521e450983012ac770da192f2018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25781-2https://doaj.org/toc/2045-2322Abstract For a system composed of permutationally symmetric Gaussian modes, by identifying the boundary of valid states and making necessary change of variables, the existence and exact value of the supremum of logarithmic negativity (and negativity likewise) between any two blocks can be shown analytically. Involving only the total number of interchangeable modes and the sizes of respective blocks, this result is general and easy to be applied for such a class of states.Jhih-Yuan KaoChung-Hsien ChouNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jhih-Yuan Kao Chung-Hsien Chou Supremum of block entanglement for symmetric Gaussian states
description	Abstract For a system composed of permutationally symmetric Gaussian modes, by identifying the boundary of valid states and making necessary change of variables, the existence and exact value of the supremum of logarithmic negativity (and negativity likewise) between any two blocks can be shown analytically. Involving only the total number of interchangeable modes and the sizes of respective blocks, this result is general and easy to be applied for such a class of states.
format	article
author	Jhih-Yuan Kao Chung-Hsien Chou
author_facet	Jhih-Yuan Kao Chung-Hsien Chou
author_sort	Jhih-Yuan Kao
title	Supremum of block entanglement for symmetric Gaussian states
title_short	Supremum of block entanglement for symmetric Gaussian states
title_full	Supremum of block entanglement for symmetric Gaussian states
title_fullStr	Supremum of block entanglement for symmetric Gaussian states
title_full_unstemmed	Supremum of block entanglement for symmetric Gaussian states
title_sort	supremum of block entanglement for symmetric gaussian states
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/6e2c849a521e450983012ac770da192f
work_keys_str_mv	AT jhihyuankao supremumofblockentanglementforsymmetricgaussianstates AT chunghsienchou supremumofblockentanglementforsymmetricgaussianstates
_version_	1718384475746861056

Supremum of block entanglement for symmetric Gaussian states

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