The Quantum Eraser Paradox
The Delayed-Choice Quantum Eraser experiment is commonly interpreted as implying that in quantum mechanics a choice made at one time can influence an earlier event. We here suggest an extension of the experiment that results in a paradox when interpreted using a local realist interpretation combined with backward causation ("retrocausality"). We argue that resolving the paradox requires giving up the idea that, in quantum mechanics, a choice can influence the past, and that it instead requires a violation of Statistical Independence without retrocausality. We speculate what the outcome of the experiment would be.
The Quantum Eraser Paradox C. Bracken,1, 2 J.R. Hance,3, ∗ and S. Hossenfelder4 1 Dept of Experimental Physics, Maynooth University, Maynooth, Co. Kildare, Ireland 2 Astronomy & Astrophysics…
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