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Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms

Ivanov, Igor; Kheifets, Anatoli


Laser light intensities, currently obtained in the laboratories, make it possible to observe many multi-photon phenomena in the interaction of light and matter (such as multi-photon ionisation or MPI process). Theoretical description of such phenomena necessitates the use of essentially non-perturbative framework. We present such an approach based on the recasting of the Schrodinger equation for the system atom+field into a set of coupled integral equations of the Lippmann-Schwinger type.

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Radiation Physics and Chemistry
DOI: 10.1016/j.radphyschem.2005.07.066


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