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Entanglement description of a pure multiqubit
- Authors
- Lee, Hyuk-jae; Oh, Sung Dahm
- Issue Date
- Dec-2006
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- entanglement; multiqubit; entanglement monotone
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.49, no.6, pp 2235 - 2238
- Pages
- 4
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 49
- Number
- 6
- Start Page
- 2235
- End Page
- 2238
- ISSN
- 0374-4884
1976-8524
- Abstract
- We present a description of the entanglement for a multiqubit by using the quantum correlation tensors that rely on the expectation values of the Pauli operators for a multiqubit state. Our description explains not only the total entanglement of the system but also the partial entanglement in subsystems. It shows that we have to consider the subsystem entanglement in order to obtain the full description for multiqubit entanglement. Furthermore, we offer an extension of the entanglement to multiqudits.
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