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In my calculations, the sum of the atom-projected DOS is much smaller than the total DOS. The difference becomes larger at a higher energy level. Is there anything wrong? Should the sum of atom-projected DOS the same as the total DOS?

Hi tiechong,

VASP takes spheres to prject electron density (atom-projected DOS). So you'll miss a bit interstitial density. The higher the energy level, the more delocalised the density becomes.

Cheers,

alex