The wave–particle duality of electrons was demonstrated in a kind of two‐slit interference experiment using an electron microscope equipped with an electron biprism and a position‐sensitive electron‐counting system. Such an experiment has been regarded as a pure thought experiment that can never be realized. This article reports an experiment that successfully recorded the actual buildup process of the interference pattern with a series of incoming single electrons in the form of a movie.
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© 1989 American Association of Physics Teachers.
1989
American Association of Physics Teachers
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