Calculation of Deformation Potentials in Bismuth

Abstract

The deformation potentials in bismuth for electrons and holes are calculated by means of a pseudopotential approach in the framework of the first-order perturbation theory. The model potential of Abarenkov, Animalu and Heine is used as the pseudopotential. The values calculated in this scheme are compared with those estimated by Inoue and Tsuji on the basis of experimental results of the magnetoacoustic attenuation by Mase et al. and those determined by Walther. A good agreement is obtained. The change in overlap energy between conduction and valence bands in the presence of unit strain is also calculated. An agreement with experimental results by Jain and Jaggi is also good.