Feynman’s approach to negative probability in quantum mechanics

Marlan O. Scully, Herbert Walther, and Wolfgang Schleich
Phys. Rev. A 49, 1562 – Published 1 March 1994
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Abstract

Feynman introduces the concept of negative probability in the context of Young’s double-slit experiment and in doing so sheds a new light on the problem. However, there are, as Feynman notes, conceptual problems as well as insights associated with this point of view. The micromaser which-path (Welcher-Weg) detector eliminates these conceptual difficulties. We also emphasize that the concept of negative probability yields useful insight into the Einstein-Podolsky-Rosen (EPR) problem.

  • Received 14 July 1993

DOI:https://doi.org/10.1103/PhysRevA.49.1562

©1994 American Physical Society

Authors & Affiliations

Marlan O. Scully and Herbert Walther

  • Max-Planck-Institut für Quantenoptik, D-85748 Garching bei München, Germany

Wolfgang Schleich

  • Abteilung für Quantenphysik, Universität Ulm, D-89069 Ulm, Germany

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Vol. 49, Iss. 3 — March 1994

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