Home › Forums › density functional theory › the Born-Oppenheimer approximation › Example This topic has 0 replies, 1 voice, and was last updated 1 year, 9 months ago by jmelendez68. Viewing 1 post (of 1 total) Author Posts February 22, 2023 at 9:27 pm #8395 jmelendez68Participant Maybe when you need to collide two nuclei? There you cannot make the assumption that the nuclei must be static. 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