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A Classical Theory of the Dielectric Susceptibility of Anharmonic Crystals

An expression for the dielectric susceptibility tensor of a cubic ionic crystal has been derived using the classical Liouville operator. The effect of cubic anharmonic forces is included as a perturbation on the harmonic crystal solution, and a series expansion for the dielectric susceptibility is developed. The most important terms in the series are identified and summed, yielding an expression for the complex susceptibility with an anharmonic contribution which is linearly dependent on temperature. A numerical example shows that both the real and imaginary parts of the susceptibility are continuous, finite functions of frequency.

Identiferoai:union.ndltd.org:unt.edu/info:ark/67531/metadc501119
Date05 1900
CreatorsKennedy, Howard V.
ContributorsDeering, William D., Dawson, David F., Mackey, H. J., Sybert, Jimmy R., Anderson, Miles E.
PublisherNorth Texas State University
Source SetsUniversity of North Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis or Dissertation
Formatv, 161 leaves : ill., Text
RightsPublic, Kennedy, Howard V., Copyright, Copyright is held by the author, unless otherwise noted. All rights reserved.

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