EPR on free atoms homepage › Forums › what happens with EPR ? › EPR on free atoms This topic has 0 replies, 1 voice, and was last updated 3 years, 10 months ago by TR Master Physics. Viewing 1 post (of 1 total) Author Posts May 6, 2019 at 8:37 am #2319 Score: 0 TR Master PhysicsParticipant Karma: 2 pts The La atoms will absorb a photon which satisfies the EPR condition. As a result m_j changes by one. So the orientation of its total angular momentum of the electron cloud changes wrt 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