Density-functional theory of the metal-insulator transition
- 15 April 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 21 (8) , 3037-3042
- https://doi.org/10.1103/physrevb.21.3037
Abstract
The spin-density-functional theory is used to investigate the phase transitions of electrons in a lattice of fixed point charges (a model first studied by Mott). We find a first-order metal-insulator transition at and a second-order magnetic transition at . Results are presented for the magnetization and the spin susceptibility. Extrapolating our results for the case of donor impurities in silicon (neglecting disorder), we estimate that the first-order metal-insulator transition would not be observable above mK.
Keywords
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