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Foundations of Physics

, Volume 21, Issue 8, pp 947–958 | Cite as

A quantum time machine

  • Lev Vaidman
Article

Abstract

A novel description of quantum systems is employed for constructing a “time machine” capable of shifting in time the wave function of a quantum system. This device uses gravitational time dilations and a peculiar quantum interference effect due to preselection and postselection. In most trials this time machine fails to operate but when it does succeed it accomplishes tasks which no other machine can.

Keywords

Wave Function Quantum System Interference Effect Time Machine Quantum Interference 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    Y. Aharonov and L. Vaidman,Phys. Rev. A 41, 11 (1990).Google Scholar
  2. 2.
    Y. Aharonov, J. Anandan, S. Popescu, and L. Vaidman,Phys. Rev. Lett. 64, 2965 (1990).Google Scholar

Copyright information

© Plenum Publishing Corporation 1991

Authors and Affiliations

  • Lev Vaidman
    • 1
    • 2
  1. 1.Physics DepartmentUniversity of South CarolinaColumbia
  2. 2.School of Physics and AstronomyTel-Aviv UniversityRamat AvivIsrael

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