Home › Forums › Hyperfine course › a nucleus with a general shape ? › Quantum Multipole Expansion This topic has 0 replies, 1 voice, and was last updated 9 months, 3 weeks ago by Lotte Bekaert. Viewing 1 post (of 1 total) Author Posts February 26, 2024 at 7:23 pm #5125 Lotte BekaertParticipant The interaction term between the nucleus and the electron cloud depends on the shape of the nucleus. This shape can be very complicated, because of this a multipole expansion is made of the interaction. 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