Microscopic Dielectric Function of a Model Semiconductor
- 15 February 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 178 (3) , 1244-1251
- https://doi.org/10.1103/physrev.178.1244
Abstract
Penn's model of an isotropic semiconductor is used to calculate , the diagonal part of the static micro-scopic dielectric function. Penn's results have been extended beyond . This region is important in developing a quantum theory of lattice vibrations of diamond and zinc-blende crystals. Explicit results are given for the range .
Keywords
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