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Dynamical properties of supracritical methane via correlation function analysis

✍ Scribed by F.G. Baglin; E.J. Rose

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
447 KB
Volume
210
Category
Article
ISSN
0009-2614

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✦ Synopsis

We have recently examined the reorientational time correlation functions (CFs) arising from the previously discussed vI mode of methane. We found that the depolarization ratio behavior is tracked by the anisotropic Raman signal, including the discontinuity previously reported. We also are aware that these CFs may be distinct and therefore the signal shape will be a Gaussian or a Voigt function irrespective of density. If true, then the signals cannot be interpreted in terms of self-correlation functions. We have sought to confirm this by analyzing the resolved spectral components' influence on the line shape at "low" pressure.

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