Violation of Bell inequality with unentangled photons

9 mudil 1 8/29/2025, 10:51:07 PM science.org ↗

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westurner · 6h ago
"Violation of Bell Inequality with Unentangled Photons" (2025) https://arxiv.org/abs/2507.07756 :

> By analyzing the measurement of four-photon frustrated interference within the standard Bell-test formalism, we find a violation of Bell inequality by more than four standard deviations.