Relaxed Bell inequalities and Kochen-Specker theorems

Understand

The combination of various physically plausible properties, such as no signaling, determinism, and experimental free will, is known to be incompatible with quantum correlations.

• Hence, these properties must be individually or jointly relaxed in any model of such correlations.
• The necessary degrees of relaxation are quantified here, via natural distance and information-theoretic measures.
• This allows quantitative comparisons between different models in terms of the resources, such as the number of bits, of randomness, communication, and/or correlation, that they require.