Changes of Normal Coordinates and Geometrical Parameters of a Molecule in a Laser Field
2018
General formulas are derived that describe the changes in equilibrium distances, valence angles, and vibrational frequencies of a polyatomic molecule in a strong laser field. It is shown that the coordinates of normal vibrations do not change in the second order in the field strength. For a nonlinear triatomic molecule of the type of A2B, the changes of geometrical characteristics and vibrational frequencies are obtained in an explicit form.
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