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Volume 12: Pages 420-426, 1999

Direct Manifestation of the Incompleteness of the Quantum‐Mechanical Description and the Reduction of the Wave‐Function

Kayoko Awaya

Faculty of Environmental and Information Sciences, Yokkaichi University, Yokkaichi Mie, 512‐8512 Japan

We show a direct manifestation of the incompleteness of the quantum‐mechanical description in interference experiments using fast beam choppers and macroscopic grids. We also discuss the origin of this incompleteness and suggest that for further investigation, we need to experimentally analyze the reduction of the wave‐function in detail, as well as theoretically.

Keywords: quantum mechanics, measurement problem, theory of measurement, reduction of the wave‐function, neutron interferometer, fast beam chopper

Received: March 18, 1998; Published online: December 15, 2008