Home › Forums › density functional theory › the Born-Oppenheimer approximation › the Born-Oppenheimer approximation This topic has 0 replies, 1 voice, and was last updated 2 years, 1 month ago by Bilal746. Viewing 1 post (of 1 total) Author Posts November 7, 2022 at 2:06 pm #7651 Bilal746Participant the first level of approximation in which we consider nuclei at rest and doesnot change its position. by doing this the hamiltonian will be simplified. 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