Abstract
Descrying all aspects of the quantum entanglement of multipartite quantum systems is an essential part when researching the quantum entanglement. Maximally multi-qubit entangled state is one of the research objects. Recently, attracted by a criterion for maximally entangled nine-qubit state and construct a nine-qubit maximally entangled state, we construct a new genuine maximally nine-qubit entangled state via the recurrence relation. Further, nine-qubit entangled state is found which can be seen as a new form maximally nine-qubit entangled state. There are 108 of purity equal to 1/16, 18 of purity equal to 1/8 in observation. We believe the result could provide a new idea for constructing more new maximally multi-qubit states.
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Acknowledgements
This work was supported by Natural Science Fund of Shaanxi Province (No. 2018JQ6002)
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Che, J., Zhao, P. & Wen, F. Construct New Form of Maximally Nine-Qubit Entangled State Via Recurrence Relation. Int J Theor Phys 59, 3979–3984 (2020). https://doi.org/10.1007/s10773-020-04648-1
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DOI: https://doi.org/10.1007/s10773-020-04648-1