Home › Forums › Hyperfine course › electric quadrupole interaction › quadrupole operator › Quadrupole operator-Axial symmetry This topic has 0 replies, 1 voice, and was last updated 1 year, 6 months ago by Iulia ZAI. Viewing 1 post (of 1 total) Author Posts March 20, 2023 at 11:15 pm #4448 Iulia ZAIParticipant 1. The symmetry parameter eta = (V_xx – V_yy)/V_zz When eta = 0 (V_xx = V_yy) we have axial symmetry. 2. For any rotation around x and y axes we the figure stays the same. 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