【作者单位】1 Department of Physics, Taiyuan Normal University, Jinzhong, 030619, China 2 Institute of Computational and Applied Physics, Taiyuan Normal University, Jinzhong, 030619, China
【年份】2020
【卷号】Vol.384 No.20
【ISSN】0375-9601
【关键词】Genuine multipartite entanglement GHZ state Quantum Fisher information Twin-Fock state W state
【摘要】 The criterion of M -separable W state is given based on QFI. • The criteria of visibility for genuine N -qubit W state, GHZ state and Twin-Fock state in the white noise model are presented. • An extremum v W N = 1 / 3 is found in the limit of large N...