Comment on "Critique of the tight-binding method: Ideal vacancy and surface states"
- 15 July 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 26 (2) , 1059-1060
- https://doi.org/10.1103/physrevb.26.1059
Abstract
The analysis of Krieger and Laufer is shown not to apply to semiconductors. States in the gap may appear in the tight-binding model for vacancies and surfaces. Moreover, states will always appear for nonpathological band structures.Keywords
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