Derives exact quantum maximum S_n^max = n cos^2(π/(2n))-1 for n-cycle overlap inequalities, saturated by coplanar qubit states in dimension 2.
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Linear-optical experiment with sequential measurements on single photons violates the KCBS inequality to demonstrate quantum contextuality and robustness to photon loss.
A qubit sustains quantum advantage for arbitrarily many sequential receivers in 2-to-1 random access codes by balancing preparation distinguishability against measurement incompatibility.
Anomalous heat flow occurs in quantum prepare-transform-measure protocols only when noncontextuality inequalities are violated, for evolution times in (0, τ_c), with analysis of an existing experiment and extension to qutrits.
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Exact Quantum Maxima of the $n$-Cycle Overlap Inequalities
Derives exact quantum maximum S_n^max = n cos^2(π/(2n))-1 for n-cycle overlap inequalities, saturated by coplanar qubit states in dimension 2.
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Linear-optical test of quantum contextuality with sequential measurements
Linear-optical experiment with sequential measurements on single photons violates the KCBS inequality to demonstrate quantum contextuality and robustness to photon loss.
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Unbounded Communication Power of a Qubit
A qubit sustains quantum advantage for arbitrarily many sequential receivers in 2-to-1 random access codes by balancing preparation distinguishability against measurement incompatibility.
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Contextuality in anomalous heat flow
Anomalous heat flow occurs in quantum prepare-transform-measure protocols only when noncontextuality inequalities are violated, for evolution times in (0, τ_c), with analysis of an existing experiment and extension to qutrits.