Home › Forums › density functional theory › correlation › correlation This topic has 0 replies, 1 voice, and was last updated 1 year, 3 months ago by zakaryau1. Viewing 1 post (of 1 total) Author Posts October 15, 2023 at 6:07 pm #9569 zakaryau1Participant Yes, there is a need for two different definitions because in classical physics there is no exchange of energy. 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