Zobrazeno 1 - 10
of 4 233
pro vyhledávání: '"Squashed entanglement"'
Publikováno v:
Entropy, Vol 25, Iss 7, p 1001 (2023)
We study the LOCC-assisted quantum capacity of a bosonic dephasing channel with energy constraint on the input states. We start our analysis by focusing on the energy-constrained squashed entanglement of the channel, which is an upper bound for the e
Externí odkaz:
https://doaj.org/article/399b1093d3cc454494d216c719e1c933
Publikováno v:
Mathematics, Vol 11, Iss 11, p 2440 (2023)
With progress in quantum technologies, the field of quantum networks has emerged as an important area of research. In the last few years, there has been substantial progress in understanding the correlations present in quantum networks. In this artic
Externí odkaz:
https://doaj.org/article/dd2f5c077aa84f20bd47c0f6d3b93a30
Akademický článek
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Publikováno v:
Entropy; Volume 25; Issue 7; Pages: 1001
We study the LOCC-assisted quantum capacity of a bosonic dephasing channel with energy constraint on the input states. We start our analysis by focusing on the energy-constrained squashed entanglement of the channel, which is an upper bound for the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::84b71d6483f1b767bb94530eb5f1ecef
Autor:
Kapil K. Sharma, Suprabhat Sinha
Publikováno v:
International Journal of Theoretical Physics. 60:3651-3665
In this article we investigate the unitary dynamics of squashed entanglement and concurrence measures in Werner state and maximally entangled mixed states (MEMS) under two different Hamiltonians. The aim of the present study is two fold. The first pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58c47ea99bdbf341eb6c16f1635cf27f
https://doi.org/10.1007/s10773-021-04936-4
https://doi.org/10.1007/s10773-021-04936-4
Autor:
Maksim E. Shirokov
Publikováno v:
Proceedings of the Steklov Institute of Mathematics. 313:203-227
It is well known that the quantum mutual information and its conditional version do not increase under local channels. I this paper we show that the recently established lower semicontinuity of the quantum conditional mutual information implies (in f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee0c22810e55e96ae3fe02a21812a7c2
https://doi.org/10.1134/s008154382102019x
https://doi.org/10.1134/s008154382102019x
Akademický článek
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We study the properties of one-dimensional topological superconductors under the influence of generic boundary conditions mimicking the coupling with external environments. We identify a general four-parameters classification of the boundary effects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a947bbf022301945ed680f2b6f87a1d8
http://arxiv.org/abs/2207.01423
http://arxiv.org/abs/2207.01423
Akademický článek
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Identifying entanglement-based order parameters characterizing topological systems, in particular topological superconductors and topological insulators, has remained a major challenge for the physics of quantum matter in the last two decades. Here w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fc5fb518de1ccd3e57f9020ced031d0