On multiphoton absorption by molecules

1998/03/17 by Pedro F. Gonzalez-Diaz, Gonzalez-Diaz, Pedro F.
Physics and Astronomy · #FOS: Physical sciences #Quantum Physics (quant-ph) #quant-ph

paper · pdf · doi:10.48550/arxiv.quant-ph/9803043

4 pages, RevTex, to appear in Theochem

arxiv created 1998/03/17 · arxiv updated 2009/12/01

Abstract

Rabi frequencies for multiphoton absorption by atoms or molecules that can be characterized as two- or three-level systems are obtained in the cases of single and double laser perturbations. If the ambiguity in the origin of absolute energy is conveniently gauged off in the three-level model, there appears an additional non linear frequency which is originated from the separate evolution of a relative-frequency component induced in the whole system by the simultaneous action of the two perturbations.

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