Comparison between light and neutron inelastic scatterings. The frequency linear behaviour of the light-vibration coupling coefficient

Autor: Eugène Duval, B. Frick, Aziz Boukenter, N. Garcia, J. Serughetti, T. Achibat
Rok vydání: 1993
Předmět:
Zdroj: Physica A: Statistical Mechanics and its Applications. 201:257-262
ISSN: 0378-4371
DOI: 10.1016/0378-4371(93)90420-9
Popis: Comparison between low frequency Raman scattering and inelastic neutron scattering of amorphous polybutadiene shows that the light-vibration coupling coefficient is linearly frequency dependent. This agrees with earlier findings and we show here that it can be interpreted employing two different correlation lengths for the angular and radial correlations, under plausible approximations.
Databáze: OpenAIRE