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State-independent experimental test of quantum contextuality in an indivisible system
We report the first state-independent experimental test of quantum
contextuality on a single photonic qutrit (three-dimensional system), based on
a recent theoretical proposal [Yu and Oh, Phys. Rev. Lett. 108, 030402 (2012)].
Our experiment spotlights quantum contextuality in its most basic form, in a
way that is independent of either the state or the tensor product structure of
the system
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