Raman spectra of fluid N2
作者:
A. de Santis,
M. Sampoli,
期刊:
Molecular Physics
(Taylor Available online 1984)
卷期:
Volume 51,
issue 1
页码: 97-117
ISSN:0026-8976
年代: 1984
DOI:10.1080/00268978400100071
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The depolarized rotovibrational band in fluid N2has been measured in a wide temperature and density range. The behaviour of normalized second moment versus temperature and density is analysed in order to clarify the role played by the various non-rotational contributions. Practically no dependence on temperature is found while a net increase with density is present. Induced effects are carefully analysed in the dipole-induced-dipole approximation. In particular exact formulas are derived for both the intensity and second moment of induced cross contributions. Good agreement with experimental data is obtained. The cross contributions are responsible for the observed second moment increase with density.
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