Diatomic molecule in a strong infrared laser field: level-shifts and bond-length change due to laser-dressed Morse potential

Author:

Varró Sándor,Hack SzabolcsORCID,Paragi Gábor,Földi PéterORCID,Barna Imre F,Czirják Attila

Abstract

Abstract We present a general mathematical procedure to handle interactions described by a Morse potential in the presence of a strong harmonic excitation. We account for permanent and field-induced terms and their gradients in the dipole moment function, and we derive analytic formulae for the bond-length change and for the shifted energy eigenvalues of the vibrations, by using the Kramers–Henneberger frame. We apply these results to the important cases of H2 and LiH, driven by a near- or mid-infrared laser in the 1013 W cm−2 intensity range.

Funder

European Regional Development Fund

Magyarország Kormánya

Publisher

IOP Publishing

Subject

General Physics and Astronomy

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