A theoretical study of resonance Raman scattering from molecules, III. Resonance Raman scattering and resonance fluorescence

Y. Fujimura, H. Kono, T. Nakajima, S. H. Lin

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

A theory for the resonance light scattering in a molecular system interacting with the heat bath is developed, taking into account the multilevel structure of the molecular system. An expression for the cross section of the resonance light scattering process is derived by using the Liouville operator method in the Markoff approximation; the cross section consists of three terms: resonance Raman scattering, resonance fluorescence, and their mixing. The mixing term vanishes in the limit of the zero vibrational dephasing constant. Analytical expressions for the resonance Raman scattering and resonance fluorescence cross sections are derived in the displaced harmonic oscillator model. Model calculations of the vibrational band structure in the resonance light scattering cross section are performed by using the expressions derived. Differences of the band intensity distribution in the resonance fluorescence from that in the resonance Raman scattering are illustrated.

Original languageEnglish
Pages (from-to)99-106
Number of pages8
JournalThe Journal of Chemical Physics
Volume75
Issue number1
DOIs
Publication statusPublished - 1981 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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