【作者单位】1Department of Physics, Taiyuan Normal University, Jinzhong, 030619, China 2Institute of Computational and Applied Physics, Taiyuan Normal University, Jinzhong, 030619, China 3Shanxi Key Laboratory for Intelligent Optimization Computing and Blockchain Technology, Taiyuan Normal University, Jinzhong 030619, China 4School of Physics and Information Engineering, Shanxi Normal University, Taiyuan, 030031, China
【年份】2025
【卷号】Vol.658
【ISSN】0378-4371
【关键词】Ising model LMG model Precision limit PW state Quantum Fisher information
【摘要】 We comprehensively investigate the metrological performance of perfect W state in quantum phase measurement, including local operation and two-body interacting operation as the phase generator. The analytical precision limits are obtained in both ca...
