Home › Forums › density functional theory › the Born-Oppenheimer approximation › Breakdown of Born-Oppenheimer approximation This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by Ian Lateur. Viewing 1 post (of 1 total) Author Posts October 3, 2022 at 2:11 pm #6805 Ian LateurParticipant At very high temperatures the approximation probably breaks down. 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