Correlations in a bipartite state. With only classical correlations (brown shade), an observable on A can be measured without any quantum uncertainty. For any quantum correlations (yellow shade), every local measurement on A is affected by quantum uncertainty. Selected for an Editors' Suggestion.
From the article:
Characterizing Nonclassical Correlations via Local Quantum UncertaintyDavide Girolami, Tommaso Tufarelli, and Gerardo Adesso
Phys. Rev. Lett. 110, 240402 (2013)
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