Hellmann-Feynman, virial, and scaling requisites for the exact universal density functionals. Shape of the correlation potential and diamagnetic susceptibility for atoms
作者： Mel Levy , John P. Perdew
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摘要: … The exchange energy functional E x [n] and potential vx ([n]; r)≡ δ E x/δn (r) must satisfy E x [n]+ F d 3 rn (r) r⋅∇ vx ([n]; r)= 0, while the correlation energy and potential must satisfy E c [n…
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