Analytic-quadratic method of calculating the density of states
- 30 September 1983
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 16 (27) , L949-L954
- https://doi.org/10.1088/0022-3719/16/27/002
Abstract
A new analytic method of calculating the density of states based on local quadratic expansions is given. Results are presented for the tight binding s band and for the valence bands of silicon. These show that the new technique properly treats van Hove singularities, where the commonly applied method using local linear expansions fails.Keywords
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