Independent theorem

[Jonas De Rijck]

I don’t agree, the first Hohenberg-Kohn theorem just tells us that a unique functional for the ground state total energy exists, but not how it looks like. Based on only this first theorem, we could say that the functional reaches a maximum value at the ground state density. Therefore, the second HK theorem is a separate independent theorem, because this theorem says that the functional always reaches a minimum value at the ground state density.

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