Home › Forums › density functional theory › correlation › Correlation This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by Mylo. Viewing 1 post (of 1 total) Author Posts October 10, 2023 at 3:28 pm #9438 MyloParticipant The difference in definition is required since the exchange term stems from the indistinguishability of particles and does not have a classical counterpart. 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