Why ab-initio

Computational Materials Physics › Forums › the ab initio way › Why ab-initio

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  • October 6, 2017 at 4:44 pm #2093
    yoddha24
    Participant

    “Why do we call quantum physics an ab initio model?
    QM describes the behaviour of subatomic particles which make-up the matter. Solving a problem from this level is the ab-initio way.

    Why do we call classical mechanics an ab initio model?
    Classical mechanics describes the behaviour of our macroscopic way and not the way fundamental particles behave. So it can’t count as the ab-inito way.

    Is classical electromagnetism an ab initio model (and if it is one, what are its first principles)?”
    Classical electromagnetism does not employ concepts of quantum mechanics so it is not an ab-inito model.

    October 6, 2017 at 5:15 pm #2099
    yoddha24
    Participant

    I was wrong about classical mechanics and electromagnetism. I understood it correctly by seeing lecture about “digging deep”. Thankyou.

    October 19, 2017 at 10:15 pm #2646
    Ricardo Brandolt
    Participant

    May I ask for your renewed view? I’m puzzling myself over these definitions.

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