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quant-ph2020★ 41 cited
Imaginarity-free quantum multiparameter estimation
Jisho Miyazaki, Keiji Matsumoto
Multiparameter quantum estimation is made difficult by the following three obstacles. First, incompatibility among different physical quantities poses a limit on the attainable pre…
quant-ph2020★ 1 cited
Strongly non-quantitative classical information in quantum carriers
Jisho Miyazaki
A simple method to enhance the quality of communication is to send a carrier with its copies. Classical information theory says that information behaves quantitatively under copyin…