Coulomb and Quantum Interference Effects in the Spectra of High-Order Harmonics Generated by Aligned Molecules
RADIOPHYSICS AND QUANTUM ELECTRONICS(2023)
摘要
We study theoretically the features of the spectra of high-order harmonics of laser radiation generated in an ensemble of aligned diatomic molecules outside the framework of the strong-field approximation. The studies were carried out on the basis of numerical calculations within the framework of a model given by a two-center generalization of the Yukawa potential. Influence of the interference of contributions from different electron trajectories and the ion core potential on the accuracy of extracting spectroscopic information about the state of the nuclear subsystem of a molecule using high temporal resolution nonlinear spectroscopy based on the analysis of multicenter effects in the spectra of high-order harmonics has been explored.
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关键词
quantum interference effects,spectra,coulomb,high-order
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