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Detection of Genuine Multipartite Entanglement Based on Local Sum Uncertainty Relations by Li, Jun; Chen, Lin is a scholarly article available to read on EtoBox.

What is Detection of Genuine Multipartite Entanglement Based on Local Sum Uncertainty Relations about?

Genuine multipartite entanglement (GME) offers more significant advantages in quantum information compared with entanglement. We propose a sufficient criterion for the detection of GME based on local sum uncertainty relations for chosen observables of subsystems. We apply the criterion to detect the GME properties of noisy $n$-partite W state when $n = 3, 4, 5$ and $6$, and find that the criterion can detect more noisy W states when $n$ ranges from 4 to 6. Moreover, the criterion is also used to detect the genuine entanglement of $3$-qutrit state. The result is stronger than that based on GME concurrence and fisher information.

Author

Li, Jun; Chen, Lin

Published

2021

Language

EN