Skip to main content

Electron Localization Function

Current status: READY

A common ELF definition is

ELF=11+(D/Dh)2,\mathrm{ELF} = \frac{1}{1+(D/D_h)^2},

where DD measures excess kinetic-energy density relative to a homogeneous-electron-gas reference.

ELF is dimensionless and commonly lies between 0 and 1.