Home › Forums › density functional theory › the Born-Oppenheimer approximation › Where it fails. This topic has 0 replies, 1 voice, and was last updated 8 months, 1 week ago by Henry Ezeaku. Viewing 1 post (of 1 total) Author Posts April 12, 2024 at 9:40 am #10727 Henry EzeakuParticipant I think it will fail where it is extremely important that neutrons interactions in involved. Or in a system that involved neutrons interaction. 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