Derives robust device-independent self-testing and two-bit certified randomness from the optimal quantum violation of the arbitrary-input chained Bell inequality via a dimension-independent sum-of-squares technique.
(1) of the main text, we get the chained Bell inequality C3 =(A 1 +A 2)B1 +(A 2 +A 3)B2 +(A 3 −A 1)B3 ≤4 (B1) Following the SOS approach as outlined in Sec
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Robust self-testing and certified randomness based on chained Bell inequality
Derives robust device-independent self-testing and two-bit certified randomness from the optimal quantum violation of the arbitrary-input chained Bell inequality via a dimension-independent sum-of-squares technique.