Electronic dielectric constants of insulators by the polarization method

Details Electronic dielectric constants of insulators by the polarization method Electronic dielectric constants of insulators by the polarization method

1998-06-03

arxiv.org/abs/cond-mat/9806045v1

Physics

Condensed Matter

Materials Science

RevTeX 4 pages, 2 ps figures

Scientific paper

10.1103/PhysRevB.58.15292

We discuss a non-perturbative, technically straightforward, easy-to-use, and computationally affordable method, based on polarization theory, for the calculation of the electronic dielectric constant of insulating solids at the first principles level. We apply the method to GaAs, AlAs, InN, SiC, ZnO, GaN, AlN, BeO, LiF, PbTiO$_3$, and CaTiO$_3$. The predicted $\einf$'s agree well with those given by Density Functional Perturbation Theory (the reference theoretical treatment), and they are generally within less than 10 % of experiment.

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