Electromagnetism is not ab initio

Computational Materials Physics Forums the ab initio way Electromagnetism is not ab initio

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  • #1256
    Grech
    Participant

    Quantum mechanics is a theory that aggregates a set of irreducible laws that can accurately predict experimental results and therefore is considered a ab initio model. The same way, classical mechanics can accurately predict the observed behavior of macroscopic phenomena, and therefore is considered a ab initio model. Electromagnetism, however, cannot satisfactory explain all the electromagnetic observable phenomena (the ultraviolet catastrophe, photoelectric effect, Compton scattering, stability of the atom, etc.). This “problems” in the models gave origin to the investigation of more fundamental underlying laws and electromagnetism was showed to be the special case of a set of more fundamental theories. Therefore, electromagnetism is not a ab initio model.

    #1362
    vfiore
    Participant

    I disagree that an ab initio theory that fails in its predictions is not therefore ab initio: it simply is an insufficiently accurate theory. For example density functional theory predicts certain properties of certain solids incorrectly, but that does not make it empirical or non-ab-initio in any way.

    #18926
    all.the.email.junks
    Participant

    I also agree with your comment.

    #18965
    pietro_t
    Participant

    I agree with vfiore

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