Pith. sign in

REVIEW

The Local Density Approximation in Density Functional Theory

Not yet reviewed by Pith; the record is open.

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 1903.04046 v2 pith:U7AXGBHK submitted 2019-03-10 math-ph cond-mat.stat-mechmath.MPphysics.chem-phquant-ph

The Local Density Approximation in Density Functional Theory

classification math-ph cond-mat.stat-mechmath.MPphysics.chem-phquant-ph
keywords densityapproximationenergylocalfunctionaltheorydifferenceelectron
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
0 comments
read the original abstract

We give the first mathematically rigorous justification of the Local Density Approximation in Density Functional Theory. We provide a quantitative estimate on the difference between the grand-canonical Levy-Lieb energy of a given density (the lowest possible energy of all quantum states having this density) and the integral over the Uniform Electron Gas energy of this density. The error involves gradient terms and justifies the use of the Local Density Approximation in the situation where the density is very flat on sufficiently large regions in space.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.