A prepare-and-measure correlation is non-classical for a given set of inputs exactly when no adversary can predict the outcomes with certainty; this yields SDP-based certification methods under three communication restrictions.
We consider the witness Wn,d = dX x0=1 nX x1=1 tr ρx0x1 Mx0|x1 ,(12) corresponding to the coefficientsc bxy =δ b,x0 δy,x1
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Characterising the set of deterministic quantum correlations in prepare-and-measure scenarios
A prepare-and-measure correlation is non-classical for a given set of inputs exactly when no adversary can predict the outcomes with certainty; this yields SDP-based certification methods under three communication restrictions.