Journal
PHYSICAL REVIEW C
Volume 105, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.105.034309
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A complete solution to the inverse problem of Kohn-Sham (KS) density functional theory is proposed in this article. It consists of two steps: determining the effective KS potential and numerically computing the KS energy based on a line integration formula using potentials along a path in the space of densities. The method shows promise for future applications, as demonstrated by a successful benchmark test on a simplified yet realistic nuclear system.
A complete solution to the inverse problem of Kohn-Sham (KS) density functional theory is proposed. Our method consists of two steps. First, the effective KS potential is determined from the ground-state density of a given system. Then, the knowledge of the potentials along a path in the space of densities is exploited in a line integration formula to determine numerically the KS energy of that system. A possible choice for the density path is proposed. A benchmark in the case of a simplified yet realistic nuclear system is shown to be successful, so the method seems promising for future applications.
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