Delayed choice, complementarity, entanglement and measurement

@article{Zwirn2017DelayedCC,
  title={Delayed choice, complementarity, entanglement and measurement},
  author={Herv'e Zwirn},
  journal={Physics Essays},
  year={2017},
  volume={30},
  pages={281-293}
}
  • Herv'e Zwirn
  • Published 2017
  • Physics
  • Physics Essays
  • It is well known that Wheeler proposed several delayed choice experiments in order to show the impossibility to speak of the way a quantum system behaves before being detected. In a double-slit experiment, when do photons decide to travel by one way or by two ways? Delayed choice experiments seem to indicate that, strangely, it is possible to change the decision of the photons until the very last moment before they are detected. This led Wheeler to his famous sentence: No elementary quantum… CONTINUE READING
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