Home › Forums › Hyperfine course › electric quadrupole interaction › quadrupole operator › Axial symmetry This topic has 0 replies, 1 voice, and was last updated 1 month, 4 weeks ago by Theo Mulkens. Viewing 1 post (of 1 total) Author Posts March 16, 2025 at 9:42 am #6415 Theo MulkensParticipant 1) V_{xx}=V_{yy}=/=V_{zz} for a proper axis system 2) If it exists a rotation axis on which every rotations leave the equations invariant. 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