Home › Forums › density functional theory › correlation › correlation This topic has 0 replies, 1 voice, and was last updated 1 year, 7 months ago by phangels. Viewing 1 post (of 1 total) Author Posts May 10, 2023 at 6:33 am #8520 phangelsParticipant I think the difference in the two examples is the exchange energy that only exists in the quantum many body problem. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In