Home › Forums › density functional theory › the Born-Oppenheimer approximation › Born Oppenheimer Approximation This topic has 0 replies, 1 voice, and was last updated 1 week, 6 days ago by Leander Deleux. Viewing 1 post (of 1 total) Author Posts September 29, 2025 at 3:26 pm #13254 Leander DeleuxParticipant In general when the nucleus can’t be regarded as ‘at rest’, for example if there is a decay reaction or a collision (particle accelerators) 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