Home › Forums › density functional theory › the Born-Oppenheimer approximation › the Born-Oppenheimer approximation This topic has 0 replies, 1 voice, and was last updated 1 year, 7 months ago by phangels. Viewing 1 post (of 1 total) Author Posts May 8, 2023 at 6:51 am #8511 phangelsParticipant Maybe when the temperature of the solid becomes very high. This topic was modified 1 year, 7 months ago by phangels. 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