Detecting genuine multipartite entanglement in three-qubit systems with eternal non-Markovianity
arXiv:2110.05211 · doi:10.1088/1751-8121/ac677e
Abstract
We devise a novel protocol to detect genuinely multipartite entangled states by harnessing quantum non-Markovian operations. We utilize a particular type of non-Markovianity known as the eternal non-Markovianity to construct a non-complete positive map to filter out the bi-separable states and detect genuine multipartite entanglement. We further propose a witness operator to detect genuinely multipartite entangled states experimentally based on this theory. Our study sheds light on a hitherto unexplored connection between entanglement theory and quantum non-Markovianity.
arXiv comment6 pages, 2 figures
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