Postponing Distillability Sudden Death in a Correlated Dephasing Channel

We investigated the dynamics of a two-qutrit system in a correlated quantum channel. The partial correlations between consecutive actions of the channel can effectively postpone the phenomenon of distillability sudden death (DSD) and broaden the range of the time cutoff that indicates entanglement o...

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Bibliographic Details
Main Authors: Guanghao Xue, Liang Qiu
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/22/8/827