Anharmonicity of Vibrations and the Inner Displacements in Crystals
- 16 September 1966
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 149 (2), 614-616
- https://doi.org/10.1103/physrev.149.614
Abstract
Expressions have been obtained for the inner displacements and the level shifts of the phonons in terms of the anharmonicity constants and the temperature of the crystal. It is shown that the inner displacement of any atom is proportional to the mean thermal energy of the lattice.Keywords
This publication has 2 references indexed in Scilit:
- Anharmonic contributions to vibrational thermodynamic properties of solids: III. The Low Temperature LimitAnnals of Physics, 1963
- Scattering of Neutrons by an Anharmonic CrystalPhysical Review B, 1962