In quantum Darwinism, information about a system (the brown cat in the middle) becomes classical and objective when multiple observers (the painters) indirectly probe the quantum state of the system (bottom) by accessing different parts of its environment. (Artwork by Joseph Hollis)
From the article:
Generic Emergence of Objectivity of Observables in Infinite DimensionsPaul A. Knott, Tommaso Tufarelli, Marco Piani, and Gerardo Adesso
Phys. Rev. Lett. 121, 160401 (2018)
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