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Characteristics of a generalized susceptibility for the analysis of lineshapes of Raman spectra

✍ Scribed by Yasunari Takagi; Takeshi Shigenari

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
320 KB
Volume
10
Category
Article
ISSN
0377-0486

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✦ Synopsis

Abstract

The characteristics of the generalized Van Vleck‐Weisskopf–FrΓΆhlich type susceptibility (GVWF) are discussed. It is shown that the GVWF can represent both an oscillator type and a relaxational (Debye) type of phonon mode, usually adopted in the analysis of Raman spectra of soft modes in structural phase transitions. It is also shown that a susceptibility for a Ising‐spin system in a transverse field has a close resemblance to the GVWF.

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