Role of rotational state-selected for nonadiabatic alignment: OCS molecules in femtosecond laser fields

Abstract

Nonadiabatic alignment by intense nonresonant laser fields is a versatile technique to manipulate the spatial direction of molecules. By solving the time-dependent Schrödinger equation numerically the degree of alignment of the molecules initially in different rotational state are calculated and the results show that the degree of alignment strongly depends on the initial rotational state. Thus, the present study indicates that, for obtaining a high degree of alignment for molecules, appropriate selection of molecular rotational states is necessary.

Keywords

nonadiabatic alignment / rotational state-selection / linear triatomic molecule

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