Home › Forums › Hyperfine course › electric quadrupole interaction › quadrupole operator › Axial symmetry This topic has 0 replies, 1 voice, and was last updated 1 year, 7 months ago by Elisa Tassan-Din. Viewing 1 post (of 1 total) Author Posts March 17, 2023 at 4:02 pm #4331 Elisa Tassan-DinParticipant 1. from equation: if two of the three eigenvalues are equal and the off-diagonal values are 0, then the EFG tensor has axial symmetry in its PAS. 2. visual: if the toy model has rotational symmetries around its axis, the EFG tensor has axial symmetry in its PAS. 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