Fig. 5: Cross-section of the sequential quantum set at \(\langle {S}_{c}\rangle =2\sqrt{2}\) in the parametrization 〈S±〉. | npj Quantum Information

Fig. 5: Cross-section of the sequential quantum set at \(\langle {S}_{c}\rangle =2\sqrt{2}\) in the parametrization 〈S±〉.

From: Secure and robust randomness with sequential quantum measurements

Fig. 5

The dashed circumference denotes the maximum values achievable in non-sequential quantum scenarios, without restrictions on 〈Sc〉. The red dots mark the geometric location of the correlations achievable with the protocol explained in Sequential-CHSH protocol.

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