EPR homepage › Forums › what happens with EPR ? › EPR This topic has 0 replies, 1 voice, and was last updated 5 years, 5 months ago by AndreasCeulemans. Viewing 1 post (of 1 total) Author Posts April 30, 2018 at 2:43 pm #1475 Score: 0 AndreasCeulemansParticipant The La absorbs a photon which satisfies the EPR condition, it changes its m_j by one, meaning it changes the orientation of its total angular momentum of the electron cloud with respect to the applied magnetic field. 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