PMID: 15245158Jul 13, 2004Paper

Theory of the Kapitza-Dirac diffraction effect

Physical Review Letters
Xiaofeng LiR R Freeman

Abstract

We treat the Kapitza-Dirac diffraction effect observed recently by Batelaan et al. using a newly developed nonperturbative quantum-field scattering theory. Our theory shows that an electron beam passing perpendicularly through a focused standing light wave can produce diffraction patterns. Our theory predicts (1) the minimum value of the ponderomotive energy is (Planck's over 2 pi omega)(2)/m(e)c(2), (2) the critical laser intensity above which the first pair of electron diffraction peaks will occur, and (3) the existence of sidebands in the electron spectra separated far from the central band by a momentum of several hundred photons. Our theory provides a unified explanation of the experimental results of Bucksbaum et al. and Batelaan et al.

References

May 1, 1985·Physical Review A: General Physics·E A Coutsias, J K McIver
Nov 1, 1989·Physical Review A: General Physics·D S GuoB Crasemann
May 1, 1992·Physical Review. a·D S Guo, G W Drake
Sep 5, 1988·Physical Review Letters·P H BucksbaumM Bashkansky
Sep 15, 2001·Nature·D L FreimundH Batelaan
Jan 7, 2003·Physical Review Letters·Daniel L Freimund, Herman Batelaan

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Citations

Sep 26, 2012·Physical Review Letters·Sven AhrensCarsten Müller
Apr 8, 2014·Physical Review Letters·S EilzerU Eichmann

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