Home › Forums › first Hohenberg-Kohn theorem › demonstration This topic has 1 reply, 1 voice, and was last updated 2 years, 2 months ago by cm. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 15, 2022 at 9:05 pm #7227 cmParticipant I don’t understand why <Psi|H|Psi> < <Psi’|H|Psi’> in the demo of the 1HK. Any explanation? October 15, 2022 at 9:14 pm #7228 cmParticipant Nevermind I didn’t see that there was a second video Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In