Home › Forums › Hyperfine course › a nucleus with a general shape ? › Complications without multipole expansion This topic has 0 replies, 1 voice, and was last updated 10 months ago by fdwit. Viewing 1 post (of 1 total) Author Posts February 21, 2024 at 9:11 pm #5079 fdwitParticipant The expression we get from the electron-nucleus interaction will be too complicated if we didn’t made a multipole expansion first. We would not be able to solve it analytically. One would get an expression that becomes very hard to handle I think. 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