Research Papers in Physics and Astronomy

 

Date of this Version

8-15-1967

Comments

Published in Physical Review Volume 160, Number 3, 15 August 1967. Copyright 1967. Used by permission.

Abstract

The room-temperature Raman spectra of CsC1, CsBr, and CsI have been computed from a simple, combined density-of-states approximation. Calculations have been made for four different model potential functions and compared with experiment in the cases of CsBr and CsI. In this way it is found that one of the variations, called the DD(-) model, is the most satisfactory. The agreement with the observed spectra is surprisingly close when one considers that no allowance has been made for variations in the elements of the Raman polarizability tensor.

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