Rovibronic spectra of molecules dressed by light fields

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The theory of rovibronic spectroscopy of light-dressed molecules is presented within the framework of quantum mechanically treated molecules interacting with classical light fields. The numerical application involves the homonuclear diatomic molecule Na2, for which the general formulas can be simplified considerably and the physical processes leading to the light-dressed spectra can be understood straightforwardly. The physical origin of different peaks in the light-dressed spectrum of Na2 is given and the light-dressed spectrum is investigated in terms of its dependence on the dressing field's intensity and wavelength, the turn-on time of the dressing field, and the temperature. The important implications of light-dressed spectroscopy on deriving field-free spectroscopic quantities are also discussed.

Original languageEnglish
Article number033414
JournalPhysical Review A
Issue number3
Publication statusPublished - Sep 19 2019

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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