Information-Theoretic Measure of Genuine Multi-Qubit Entanglement

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dc.creatorCai, Jian-Ming
dc.creatorZhou, Zheng-Wei
dc.creatorZhou, Xing-Xiang
dc.creatorGuo, Guang-Can
dc.date2006-09-05
dc.date2006-09-10
dc.date.accessioned2026-07-07T07:26:35Z
dc.date.available2026-07-07T07:26:35Z
dc.descriptionWe consider pure quantum states of N qubits and study the genuine N-qubit entanglement that is shared among all the N qubits. We introduce an information-theoretic measure of genuine N-qubit entanglement based on bipartite partitions. When N is an even number, this measure is presented in a simple formula, which depends only on the purities of the partially reduced density matrices. It can be easily computed theoretically and measured experimentally. When N is an odd number, the measure can also be obtained in principle.
dc.description5 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0609027
dc.identifierhttp://arxiv.org/abs/quant-ph/0609027
dc.identifierPhys. Rev. A 74, 042338 (2006)
dc.identifierdoi:10.1103/PhysRevA.74.042338
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/117129
dc.subjectQuantum Physics
dc.titleInformation-Theoretic Measure of Genuine Multi-Qubit Entanglement
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