Derivation of Phonon Dispersion Relations from Electronic States in Insulators
- 23 September 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 21 (13), 884-887
- https://doi.org/10.1103/physrevlett.21.884
Abstract
The electronic contribution to the force constants of lattice vibrations in insulators is studied in a Green's-function formalism. Results of an application of the method to LiF are given where the one-electron spectrum has been treated in the tight-binding approximation.Keywords
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