Answers Computational Materials Physics › Forums › the ab initio way › Answers This topic has 0 replies, 1 voice, and was last updated 5 years, 6 months ago by Rania. Viewing 1 post (of 1 total) Author Posts September 30, 2017 at 8:19 am #1679 RaniaParticipant QM and CM are ab initio models since we can represent their observable in mathematical forms. Electromagnetism is also an ab initio model; Maxwell equations give the needed mathematical model of the system 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