https://doi.org/10.1140/epjd/s10053-022-00534-z
Regular Article – Quantum Information
A new entanglement measure based on one-side ONCB projection measurement
School of Applied Science, Taiyuan University of Science and Technology, 030024, Taiyuan, People’s Republic of China
Received:
9
July
2022
Accepted:
17
October
2022
Published online:
28
October
2022
Entanglement measure is an important index for computing quantum entanglement. At present, a considerable number of entanglement measures have been proposed. In this study, an entanglement measure for bipartite quantum states in accordance with one-side ONCB (orthogonal normalization complete basis) projection measurement is presented. This study suggests that the measure is well-defined. This measure is expressed as 
. It is proven that satisfies some necessary properties of quantum entanglement measure (e.g., non-negativity, invariance under local unitary operation, as well as monotonicity under local operation and classical communication (LOCC)). Furthermore, we give a upper bound and a lower bound of for bipartite quantum states.
This work is supported by the Natural Science Foundation of Shanxi Province, China (Grant Nos. 201901D111254, 201801D221019). .
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