Local-density approximation: Difference between revisions

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DieHenkels (talk | contribs)
m Homogeneous electron gas: I think the usual writing is "plane waves" (two words).
DieHenkels (talk | contribs)
m Exchange functional: formula in SI units added
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:<math>E_{\rm x}^{\mathrm{LDA}}[\rho]
= - \frac{33e^2}{416\pi\varepsilon_0}\left( \frac{3}{\pi} \right)^{1/3}\int\rho(\mathbf{r})^{4/3}\ \mathrm{d}\mathbf{r}\ .</math>
= - \frac{3}{4}\left( \frac{3}{\pi} \right)^{1/3}\int\rho(\mathbf{r})^{4/3}\ \mathrm{d}\mathbf{r}\,,</math>
 
where the second formulation applies in [[Atomic units|atomic units]].
 
== Correlation functional ==