Poynting's choice for the energy flow vector of the electromagnetic field has certain unattractive physical features. In order to eliminate such features Hines proposed an alternative choice. Here we show that Hines's choice does not lead to Larmor's result for the rate of radiation by an accelerated non-relativistic charge.
Donovan and Medcalf formulated the theory of the free-carrier Faraday effect in semiconductors for a vacuum–medium–vacuum, taking into account multiple internal reflections of the electromagnetic radiation in the medium. Here, we generalize Donovan and Medcalf's results to the case of three distinct media and also extend their analysis in the sense of obtaining a unique decomposition of the multiple pass rotation [Formula: see text] which gives added physical insight into the various contributions to [Formula: see text]. The multiple pass ellipticity Δ is similarly treated. We also present an alternate and simpler method of carrying out the calculations.
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