Collective effects in the optical absorption of diatomic molecules in simple liquids

M. Gillan, J. Woods Halley

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

We develop a theory of optical absorption of a diatomic molecule in a simple monatomic liquid. Using approximations appropriate to the case of a light molecule like H2, we show that the absorption spectrum near an infrared-inactive vibrational transition of the molecule can be interpreted to give information about collective effects in the fluid. We show that some features of existing experimental results on H2-Ar mixtures are consistent with the theory, although no direct evidence of collective effects is seen in these experiments.

Original languageEnglish (US)
Pages (from-to)684-692
Number of pages9
JournalPhysical Review A
Volume4
Issue number2
DOIs
StatePublished - Jan 1 1971

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