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1 claim from 1 paper

1. Physics and Astronomy › Advanced Chemical Physics Studies

   Inhomogeneous Electron Gas

   Hohenberg and Kohn · Physical Review · 1964

   The paper proves a universal functional of electron density gives the exact ground-state energy in any external potential, then examines that functional for nearly uniform and slowly varying densities.

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   1. UncheckedFor nearly uniform or very slowly varying electron densities, the universal energy functional F can be written using properties of a uniform electron gas.“In both cases $F$ can be expressed entirely in terms of the correlation energy and linear and higher order electronic polarizabilities of a uniform electron gas.”