Causality, memory erasing, and delayed-choice experiments

Y. Aharonov*, S. Popescu, L. Vaidman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A recent proposal of a quantum eraser by Ingraham [Phys. Rev. A 50, 4502 (1994); 51, 4295(E) (1995)] is analyzed. It is shown that Ingrahams predictions contradict relativistic causality and, therefore, cannot be right. A subtle quantum effect that was overlooked by Ingraham is explained.

Original languageEnglish
Pages (from-to)4984-4985
Number of pages2
JournalPhysical Review A
Issue number6
StatePublished - 1995


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