How one shutter can close N slits

Y. Aharonov and L. Vaidman
Phys. Rev. A 67, 042107 – Published 22 April 2003
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Abstract

It is shown that a quantum shutter, preselected and postselected in particular quantum states, can close simultaneously arbitrary number of slits preventing the passage of a single photon in an arbitrary state. A set of K preselected and postselected shutters can close the slits preventing the passage of K or less photons. This result indicates that the surprising properties of preselected and postselected quantum systems are even more robust than previously expected.

  • Received 29 October 2002

DOI:https://doi.org/10.1103/PhysRevA.67.042107

©2003 American Physical Society

Authors & Affiliations

Y. Aharonov1,2 and L. Vaidman1

  • 1School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel
  • 2Physics Department, University of South Carolina, Columbia, South Carolina 29208

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Vol. 67, Iss. 4 — April 2003

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