Home › Forums › density functional theory › the Born-Oppenheimer approximation › Born-Oppenheimer approximation fails This topic has 0 replies, 1 voice, and was last updated 8 months, 2 weeks ago by samuelcm. Viewing 1 post (of 1 total) Author Posts March 30, 2024 at 9:49 pm #10696 samuelcmParticipant The approximation fails when the dynamics of nuclei is comparable to electron dynamics, for example very high temperature. 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