Abstract
Depolarized Rayleigh spectra for four different thermodynamic states of krypton are reported. At large liquidlike densities and for low frequency shifts (<20 cm−1) the existence of a Lorentzian component previously discovered in liquid argon is confirmed. For large ν the line shapes are mainly exponential with the exception of a weak shoulder located at around 50 cm−1. These spectral features are interpreted in the light of a recent theory by Madden. In comparing the results for krypton and argon the law of corresponding states is found to hold. The dependence of the Lorentzian half-width on the diffusion coefficient is not the same as inferred from the Madden theory.
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