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Time-Dependent Unitary Transformation Method in the Strong-Field-Ionization Regime with the Kramers-Henneberger Picture

Time evolution operators of a strongly ionizing medium are calculated by a time-dependent unitary transformation (TDUT) method. The TDUT method has been employed in a quantum mechanical system composed of discrete states. This method is especially helpful for solving molecular rotational dynamics in...

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Bibliographic Details
Published in:International journal of molecular sciences 2021-08, Vol.22 (16), p.8514
Main Authors: Mun, Je-Hoi, Sakai, Hirofumi, Kim, Dong-Eon
Format: Article
Language:English
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Summary:Time evolution operators of a strongly ionizing medium are calculated by a time-dependent unitary transformation (TDUT) method. The TDUT method has been employed in a quantum mechanical system composed of discrete states. This method is especially helpful for solving molecular rotational dynamics in quasi-adiabatic regimes because the strict unitary nature of the propagation operator allows us to set the temporal step size to large; a tight limitation on the temporal step size (δt
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms22168514