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Foundations of Physics

, Volume 23, Issue 7, pp 987–997 | Cite as

Quantum mechanical interaction-free measurements

  • Avshalom C. Elitzur
  • Lev Vaidman
Article

Abstract

A novel manifestation of nonlocality of quantum mechanics is presented. It is shown that it is possible to ascertain the existence of an object in a given region of space without interacting with it. The method might have practical applications for delicate quantum experiments.

Keywords

Quantum Mechanic Quantum Experiment 
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Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • Avshalom C. Elitzur
    • 1
    • 2
  • Lev Vaidman
    • 1
  1. 1.School of Physics and AstronomyTel-Aviv UniversityTel AvivIsrael
  2. 2.the Department of Chemical PhysicsThe Weizmann Institute of ScienceRehovotIsrael

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