Remarks on the density functional approach to the inhomogeneous electron gas

M. Tomášek and V. Mikoláš

Physica A: Statistical Mechanics and its Applications, 1979, vol. 95, issue 3, 547-560

Abstract: The density functional approach is reformulated by using the most general form of the Hohenberg-Kohn theorem based on p-particle densities. Comparison with the reduced density matrix theory is made, exhibiting fully the p-particle hierarchy of both theories. Some advantages and drawbacks of the generalized density functional approach are discussed. The 1-particle spin-polarized case is presented to indicate the place of the usual DFA within the framework of the generalized theory.

Date: 1979
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:95:y:1979:i:3:p:547-560

DOI: 10.1016/0378-4371(79)90031-1

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