Fluctuations and light scattering in superionic conductors
- 15 February 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 13 (4) , 1498-1501
- https://doi.org/10.1103/physrevb.13.1498
Abstract
We present a theory of the dynamics of the coupled crystalline-cage-charged-liquid fluctuations in superionic conductors. The dispersion relations of the coupled modes are obtained together with the imaginary parts of their self-energies, which determine, among other things, the acoustic attenuation. The light-scattering process due to these fluctuations is studied and we show that it can provide unique information about local site symmetries and hopping times. The nature of the thermal fluctuations is discussed near a critical point.Keywords
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