Science & ResearchAug 3, 2026
Gradient expansion approximation of the inhomogeneous electron-gas revisited: Higher-order corrections
In our recently published work (our Ref.
In our recently published work (our Ref. 1) we revisited the gradient expansion approximation (GEA) of the interacting electron gas, and recalculated the leading-order contribution$-$with respect to the Wigner-Seitz radius $r_s$$-$to the coefficient $B_{xc}[n]$ of the square of…
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