Controlled double-slit electron diffraction

Roger Bach, Damian Pope, Sy Hwang Liou, Herman Batelaan

Research output: Contribution to journalArticle

81 Scopus citations

Abstract

Double-slit diffraction is a corner stone of quantum mechanics. It illustrates key features of quantum mechanics: interference and the particle-wave duality of matter. In 1965, Richard Feynman presented a thought experiment to show these features. Here we demonstrate the full realization of his famous thought experiment. By placing a movable mask in front of a double-slit to control the transmission through the individual slits, probability distributions for single- and double-slit arrangements were observed. Also, by recording single electron detection events diffracting through a double-slit, a diffraction pattern was built up from individual events.

Original languageEnglish (US)
Article number033018
JournalNew Journal of Physics
Volume15
DOIs
StatePublished - Mar 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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