【作者单位】1School of Physics and Information Engineering, Shanxi Normal University, Taiyuan, 030031, China;2Department of Physics, Taiyuan Normal University, Jinzhong, 030619, China;3Institute of Computational and Applied Physics, Taiyuan Normal University, Jinzhong, 030619, China
【年份】2023
【页码】106954
【ISSN】2211-3797
【关键词】Entanglement robustness Quantum fisher information W superposition state Particle loss GHZ state
【摘要】 We investigate the entanglement robustness of an N -qubit W superposition state against particle loss with quantum Fisher information. In the noninteracting environment, the quantum Fisher information of reduced W superposition state is found same as...
