Home › Forums › density functional theory › the Born-Oppenheimer approximation › The Born-Oppenheimer approximation 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 3, 2023 at 1:06 pm #9274 MyloParticipant The Born-Oppenheimer approximation is not valid in systems where non adiabatic effects are important. 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