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Proceedings Paper

Corrections to the Golden Rule
Author(s): Heidi Fearn; Willis E. Lamb Jr.
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Paper Abstract

The rate at which one atom in a photodetector is ionized by a beam of classical light is considered. A detailed examination of the probability of transition is presented, using first- order time-dependent perturbation theory and the rotating wave approximation. This method usually leads to the well-known rule called 'golden' by Fermi. The authors have made a more accurate analysis based on numerical quadrature techniques. They discover a curious oscillation in the probability for photoionization for short times and a temporal shift in the curve as compared to the results given by the golden rule. The shift is approximated analytically and found to correspond with the numerical result to a high precision. Results for the probability of photoionization are shown without using the rotating wave approximation.

Paper Details

Date Published: 1 September 1991
PDF: 10 pages
Proc. SPIE 1497, Nonlinear Optics and Materials, (1 September 1991); doi: 10.1117/12.46791
Show Author Affiliations
Heidi Fearn, Optical Sciences Ctr./Univ. of Arizona and Univ. of New Mexi (United States)
Willis E. Lamb Jr., Optical Sciences Ctr./Univ. of Arizona and Univ. of New Mexi (United States)

Published in SPIE Proceedings Vol. 1497:
Nonlinear Optics and Materials
Cyrus D. Cantrell; Charles M. Bowden, Editor(s)

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