Do quantum states offer a faithful representation of reality or merely encode the partial knowledge of the experimenter? A new theorem illustrates how the latter can lead to a contradiction with quantum mechanics.
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Aaronson, S. Get real. Nature Phys 8, 443–444 (2012). https://doi.org/10.1038/nphys2325
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DOI: https://doi.org/10.1038/nphys2325
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