Advances in Physics

Theoretical models for superionic conductors

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DOI:: 10.1080/00018738000101406

W. Dieterich^a, P. Fulde^b & I. Peschel^c

pages 527-605

Available online: 28 Jul 2006

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Abstract

The present theoretical understanding of various properties of superionic conductors is reviewed. Emphasis is put on their treatment as classical many-particle systems and on the analysis of their dynamic behaviour. Different kinds of approaches pertaining to the low frequency dynamics are considered in detail. They include stochastic models, like hopping or Fokker-Planck models as well as a hydrodynamic theory. The high frequency (phonon-) dynamics and the information obtained from computer simulations is also analysed. As far as possible, the relevance of the different approaches with respect to experiments on specific materials is discussed. Possible directions for future investigations are outlined.