Home › Forums › Hyperfine course › a nucleus with a general shape ? › Complication without Monopole This topic has 0 replies, 1 voice, and was last updated 9 months, 2 weeks ago by Himanshu. Viewing 1 post (of 1 total) Author Posts February 27, 2024 at 3:49 am #5153 HimanshuParticipant Using multipole expansion simplifies calculations by isolating the nucleus and electron systems. Without this the calculations would be very complicated due to the fact that we have to calculate nucleus and electrons at once. 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