Surrealistic Bohm Trajectories

Berthold-Georg Englert 1 , 2 , Marian O. Scully 3 , Georg Süssmann 1 , 2  and Herbert Walther 1 , 2
  • 1 Sektion Physik, Universität München, Am Coulombwall 1, D-8046 Garching, Germany
  • 2 Max-Planck-Institut für Quantenoptik, Ludwig-Prandtl-Straße 10, W-8046 Garching
  • 3 Department of Physics, Texas A & M University, College Station, TX 77843-4242


A study of interferometers with one-bit which-way detectors demonstrates that the trajectories, which David Bohm invented in his attempt at a realistic interpretation of quantum mechanics, are in fact surrealistic, because they may be macroscopically at variance with the observed track of the particle. We consider a two-slit interferometer and an incomplete Stern-Gerlach interferometer, and propose an experimentum crucis based on the latter.

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A Journal of Physical Sciences: Zeitschrift für Naturforschung A (ZNA) is an international scientific journal which publishes original research papers from all areas of experimental and theoretical physics. In accordance with the name of the journal, which means “Journal for Natural Sciences”, manuscripts submitted to ZNA should have a tangible connection to actual physical phenomena.