kqRepresentation for the Impurity Problem in Semiconductors
- 15 July 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 2 (2) , 384-387
- https://doi.org/10.1103/physrevb.2.384
Abstract
It is shown that the representation leads to a separation of variables in the dynamics of electrons in perturbed crystals. The method is applied to the impurity problem in semiconductors, higher-order effects for the variation of the impurity potential being obtained. An explicit result is given for the second-order effect, which leads to a significant improvement of the theory.
Keywords
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