Forward-backward electron-proton asymmetry from a two-photon crossing of diabatic states of H+2 in linearly polarized intense laser field

Daud, Mohammad Noh (2023) Forward-backward electron-proton asymmetry from a two-photon crossing of diabatic states of H+2 in linearly polarized intense laser field. Chemical Physics, 568. ISSN 0301-0104, DOI https://doi.org/10.1016/j.chemphys.2023.111820.

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Abstract

Controlling spatial-temporal overlap between nuclear wave packets propagating on the coupled electronic states with opposite parity by intense laser field leads to a n periodic modulation in the symmetry breaking of the coupled forward-backward electron and proton motions. The most probable directionality of electron and proton moving simultaneously in opposite directions with total electron-proton asymmetry parameter Atot e-p = 0.62 occurs at fixed carrier-envelope phases of theta = 15 degrees and 195 degrees. Analysis of the time evolution of the nuclear and the electronic-nuclear wave packets on the field-dressed potentials gives rise to newly insightful images of the nonlinear nonperturbative processes for the asymmetrical localization.

Item Type: Article
Funders: None
Uncontrolled Keywords: Coherent control; Strong field; Laser pulse; Time-dependent Schr?dinger equation; Coulomb potential
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Science > Department of Chemistry
Depositing User: Ms Zaharah Ramly
Date Deposited: 01 Dec 2023 01:50
Last Modified: 01 Dec 2023 01:50
URI: http://eprints.um.edu.my/id/eprint/38768

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