On Visibility in the Afshar Two-Slit Experiment |
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Authors: | R E Kastner |
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Institution: | (1) Department of Physics and Astronomy, Rowan University, Glassboro, NJ 08028, USA |
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Abstract: | A modified version of Young’s experiment by Shahriar Afshar indirectly reveals the presence of a fully articulated interference
pattern prior to the post-selection of a particle in a “which-slit” basis. While this experiment does not constitute a violation
of Bohr’s Complementarity Principle as claimed by Afshar, both he and many of his critics incorrectly assume that a commonly
used relationship between visibility parameter V and “which-way” parameter K has crucial relevance to his experiment. It is argued here that this relationship does not apply to this experimental situation
and that it is wrong to make any use of it in support of claims for or against the bearing of this experiment on Complementarity. |
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