Precise detection of multipartite entanglement in four-qubit Greenberger–Horne–Zeilinger diagonal states
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DOI: 10.1007/s11467-018-0799-6
Abstract: We propose a method of constructing the separability criteria for multipartite quantum states on the basis of entanglement witnesses. The entanglement witnesses are obtained by finding the maximal expectation values of Hermitian operators and then… read more here.
Keywords: four qubit; qubit greenberger; horne zeilinger; greenberger horne ... See more keywords