Home › Forums › Hyperfine course › magnetic hyperfine interaction › in free atoms – task 1 › L and S This topic has 0 replies, 1 voice, and was last updated 9 months, 1 week ago by Daniel. Viewing 1 post (of 1 total) Author Posts March 11, 2024 at 9:03 pm #5442 DanielParticipant J=0 corresponds to the orientation of L and S being parallel and opposite. J=1 corresponds to a perpendicular orientation of L and S. J=2 corresponds to the orientation of L and S being parallel and pointing in the same direction. 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