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.
11d +aA i 2 ⊗ 11d +bB j 2 ρAB # (47) wherea,b∈ ±1. We know, for a maximally entangled state, ⟨Ai⟩ρAB =0,⟨B j⟩ρAB =0,∀i,j∈[n]. Hence, we get P a,b|A i,B j = 1 4
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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.