Generalization of k.p theory for periodic perturbations
Condensed Matter
2009-10-31 v2
Abstract
We extend standard k.p theory to take into account periodic perturbations which are rapidly oscillating with a wavelength of a few lattice constants. Our general formalism allows us to explicitly consider the Bragg reflections due to the perturbation-induced periodicity. As an example we calculate the effective masses in the lowest two conduction bands of spontaneously ordered GaInP_2 as a function of the degree of ordering. Comparison of our results for the lowest conduction band to available experimental data and to first principle calculations shows good agreement.
Keywords
Cite
@article{arxiv.cond-mat/0001130,
title = {Generalization of k.p theory for periodic perturbations},
author = {R. Stubner and R. Winkler and O. Pankratov},
journal= {arXiv preprint arXiv:cond-mat/0001130},
year = {2009}
}
Comments
minor changes, better typography (9 pages, 5 figures)