Density Functionals for Coulomb Systems

Elliott H. Lieb
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Elliott H. Lieb: Princeton University, Departments of Mathematics and Physics

A chapter in Inequalities, 2002, pp 269-303 from Springer

Abstract: Abstract This paper has three aims: (i) To discuss some of the mathematical connections between N-particle wave functions Ψ and their single-particle densities p(x). (ii) To establish some of the mathematical underpinnings of “universal density functional” theory for the ground state energy as begun by Hohenberg and Kohn. We show that the HK functional is not defined for all p and we present several ways around this difficulty. Several less obvious problems remain, however, (iii) Since the functional mentioned above is not computable, we review examples of explicit functionals that have the virtue of yielding rigorous bounds to the energy.

Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-55925-9_24

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DOI: 10.1007/978-3-642-55925-9_24

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