Home › Forums › setting the stage › so what’s the problem? › The solution of the equations This topic has 0 replies, 1 voice, and was last updated 2 years, 2 months ago by jnunez. Viewing 1 post (of 1 total) Author Posts October 2, 2022 at 6:16 am #6768 jnunezParticipant Because, although the equations to be solved are known, the solutions are too complex to find. As an example, in the case of the Li atom, there is no analytical expressions for the ground state energy, despite knowing the full 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