The Quantum Eraser Paradox

Colm Bracken, Jonte R. Hance, Sabine Hossenfelder

Research output: Contribution to journalArticle (Academic Journal)

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Abstract

The Delayed-Choice Quantum Eraser experiment is commonly interpreted asimplying that in quantum mechanics a choice made at one time caninfluence an earlier event. We here suggest an extension of theexperiment that results in a paradox when interpreted using a localrealist interpretation combined with backward causation("retrocausality"). We argue that resolving the paradox requires givingup the idea that, in quantum mechanics, a choice can influence the past,and that it instead requires a violation of Statistical Independencewithout retrocausality. We speculate what the outcome of the experimentwould be.
Original languageEnglish
JournalarXiv
DOIs
Publication statusSubmitted - 1 Nov 2021

Structured keywords

  • QETLabs
  • Centre for Science and Philosophy

Keywords

  • Quantum Physics
  • Physics - History and Philosophy of Physics

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