Structural fluctuations occurring around structural phase transitions can strongly influence the dynamical characteristics of solids. Formulae are derived explicitly showing the role of these fluctuations on the following: softening of phonon frequencies, diminishing of the effective Debye temperatu
Influence of polarization fluctuations on the electronic structure of molecular solids
β Scribed by C.B. Duke; T.J. Fabish; A. Paton
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 446 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
The influence of the classical polar medium fluctuation on the nonradiative transition rate in molecules is considered. Change of the vibrational frequencies under electron excitation is taken into account. In the GaussαMarkov approximation for the fluctuation and the linear model of the vibrational
The experimental electron density in diborane is compared with the dynamic one derived from an SCF density calculated by an extended plus polarization basis set. The effect of the polarization functions is a lengthening of the B-H bonds and the best agreement is now obtained for the experimental geo