Home › Forums › density functional theory › correlation › Different definitions This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by Diego De Gusem. Viewing 1 post (of 1 total) Author Posts October 9, 2023 at 2:43 pm #9413 Diego De GusemParticipant I think the difference comes from the fact that we need a Slater determinant in quantum mechanics. That is something we do not need in classical mechanics. I am not sure if this is the correct answer 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