Home › Forums › density functional theory › functions and functionals › functional 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 2, 2023 at 3:03 pm #9235 Diego De GusemParticipant In quantum field theory we minimized the action (which I think is a functional) to determine the Lagrangian. 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