Home › Forums › Hyperfine course › electric monopole shift › toy model › loophole This topic has 0 replies, 1 voice, and was last updated 3 months ago by elien_vanclemen. Viewing 1 post (of 1 total) Author Posts February 23, 2025 at 2:05 pm #6130 elien_vanclemenParticipant Adding a negative charge in the nucleus makes the attraction between nucleus and electrons smaller, so this can lead to a negative contribution. Maybe the higher order multipole terms can ‘lift’ this apparent contradiction. 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