Certification of three black boxes with unsharp measurements using $3 \rightarrow 1 $ sequential quantum random access codes
Shihui Wei,
Fenzhuo Guo,
Fei Gao
et al.
Abstract:Unsharp measurements play an increasingly important role in quantum information theory. In this paper, we study a three-party prepare-transform-measure experiment with unsharp measurements based on 3 → 1 sequential random access codes (RACs). We derive optimal trade-off between the two correlation witnesses in 3 → 1 sequential quantum random access codes (QRACs), and use the result to complete the self-testing of quantum preparations, instruments and measurements for three sequential parties. We also give the … Show more
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