Separability of Pure and Mixed States of the Quantum Network of Four Nodes

DOI10.1088/0253-6102/40/4/395zbMath1167.81323OpenAlexW1973709656MaRDI QIDQ5321226

Zhiyu Gu, Shangwu Qian

Publication date: 22 July 2009

Published in: Communications in Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/0253-6102/40/4/395

zbMATH Keywords

mixed statecovariance correlation tensor in quantum network theorycriterion of entanglement, pure state

Mathematics Subject Classification ID

Quantum measurement theory, state operations, state preparations (81P15)

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