MULTIQUBITS ENTANGLEMENT BASED ON OPTIMAL WITNESS

作者:Zhao Ming Jing*; Wang Zhi Xi; Fei Shao Ming
来源:Reports on Mathematical Physics, 2009, 63(3): 409-416.
DOI:10.1016/s0034-4877(09)90012-x

摘要

We study the optimal entanglement witness with respect to multiqubits W-states. We show Such entanglement witnesses can be used to distinguish genuine entangled states, different biseparable states and fully separable states.