Home Forums density functional theory second Hohenberg-Kohn theorem Second vs first theorem

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    nvrafelg
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    I don’t necessarily agree that the second theorem should not be a separate theorem. The first theorem just states that a unique functional exists, not how it should look like or the features it should have. I do agree that intuitively we can expect that the functional reaches a minimum for the ground state density, because nature wants to minimise (free) energy.

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