991 citations · 6.5k across the 84 of their papers we have counts for
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quant-ph2009★ 80 cited
Optimal Measurement on Noisy Quantum Systems
Yu Watanabe, Takahiro Sagawa, Masahito Ueda
We identify the optimal measurement for obtaining information about the original quantum state after the state to be measured has undergone partial decoherence due to noise. We qua…
quant-ph2009★ 2 cited
Weak Value and Correlation Function
Takahiro Sagawa
We show that there exists, in quantum theory, a close relationship between the weak value and the correlation function, which sheds new lights on the concept of the weak value.