Investigation of the multielectron dynamics of CO in intense laser fields by the effective potential analysis of natural orbitals

Shu Ohmura,Hideki Ohmura,Tsuyoshi Kato,Shiro Koseki,Hirohiko Kono

Chemical Physics Letters（2022）

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摘要

•Multielectron dynamics of CO in multi-color fields were simulated by the MCTDHF method.•Ionization probabilities and high harmonic generation (HHG) spectra were evaluated.•Ionization and HHG are enhanced by near-IR ω fields with 2ω + 3ω + 4ω components added.•Analysis by effective potentials for MOs and configuration interaction coefficients.•Electron correlation plays a key role in the intense-field-induced processes.

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关键词

Multiconfiguration time-dependent Hartree–Fock method,Natural orbital dynamics,Time-dependent effective potential,Anisotropic tunneling ionization,Intense laser pulse,Multicolor field

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