Derivation of the vectorial wave equation from a variational point of view

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    Abstract

    The electromagnetic field in a linear, inhomogeneous, isotropic, and nonmagnetic dielectric is considered. It is shown that the vectorial wave equation for the electric field can apparently be derived on the basis of a principle of minimum divergence of the field. It is argued that this principle is preferable to the recently suggested method of obtaining the scalar wave equation by a principle of minimum Fisher information.
    Original languageEnglish
    JournalOptical Society of America. Journal A: Optics, Image Science, and Vision
    Volume8
    Issue number5
    Pages (from-to)750-754
    ISSN1084-7529
    DOIs
    Publication statusPublished - 1991

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