Rev. Mod. Phys. 79, 929–941 (2007)Colloquium: Illuminating the Kapitza-Dirac effect with electron matter opticsPublished 13 July 2007 The observation of the Kapitza-Dirac effect raises conceptual, theoretical, and experimental questions. The Kapitza-Dirac effect is often described as diffraction of free electrons from a standing wave of light or stimulated Compton scattering. However, for the two-color Kapitza-Dirac effect these two interpretations appear to lead to paradoxical conclusions. The discussion of this paradox deepens our understanding of both of these versions of the Kapitza-Dirac effect. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/RevModPhys.79.929
DOI:
10.1103/RevModPhys.79.929
PACS:
03.75.−b, 42.50.Vk, 61.14.−x
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