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    Article

    Enhancing parameter estimation precision by non-Hermitian operator process

    Recently, Zhong et al. (Phys Rev A 87:022337, 2013) investigated the dynamics of quantum Fisher information (QFI) in the presence of decoherence. We here reform their results and propose two schemes to enhance an...

    You-neng Guo, Mao-fa Fang, Guo-you Wang, Jiang Hang… in Quantum Information Processing (2017)