Home › Forums › density functional theory › the Born-Oppenheimer approximation › Born-Oppenheimer approximation This topic has 0 replies, 1 voice, and was last updated 3 weeks ago by jmayer1. Viewing 1 post (of 1 total) Author Posts May 13, 2025 at 5:57 pm #12482 jmayer1Participant At high temperatures approaching the melting temperature of a solid, the nucleus positions should shift, which I believe would meaningfully affect the Hamiltonian. 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