期刊
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
卷 48, 期 12, 页码 3358-3364出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-009-0139-2
关键词
Entanglement; Quantum information theory
We show that any N-qubit state which is diagonal in the Greenberger-Horne-Zeilinger basis is full N-qubit entangled state if and only if no partial transpose of the multiqubit state is positive with respect to any partition.
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