Home › Forums › density functional theory › the Born-Oppenheimer approximation › BO This topic has 0 replies, 1 voice, and was last updated 1 week, 4 days ago by Zeno. Viewing 1 post (of 1 total) Author Posts October 1, 2025 at 1:10 pm #13309 ZenoParticipant The approximation can not be made when we are at high temperatures with light nucleai, because then the speed of the nucleai will be faster 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