Three Simple Experiments

Part of the Undergraduate Lecture Notes in Physics book series (ULNP)


In this chapter, we consider a series of simple experiments. By contemplating the meaning of the outcomes of these experiments we are forced to adopt some very counterintuitive conclusions about the behaviour of quantum particles.

Supplementary material (140 kb)
Supplementary material 1: A laser and a detector (zip 140 KB) (152 kb)
Supplementary material 2: The idea of photons (zip 151 KB) (144 kb)
Supplementary material 3: A laser and a beam splitter (zip 144 KB) (132 kb)
Supplementary material 4: A Mach–Zehnder interferometer (zip 132 KB) (213 kb)
Supplementary material 5: A Mach–Zehnder interferometer with QND measurements of the photon path (zip 212 KB)


  1. J.A. Wheeler, interview in cosmic search, 1 (4), Fall (1979)Google Scholar

Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.University of SheffieldSheffieldUK

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