QED-Based Derivation of the General Forms of the Relativistic Doppler Effect and of the Relativistic Aberration
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The current paper derives the most general form of the relativistic Doppler effect and of the relativistic aberration starting from base principles available in classical electrodynamics and from the Lorentz transforms of the energy-momentum. Unlike any other material before us, we derive the relativistic Doppler formula for the case of both source and receiver moving in arbitrary directions with respect to an inertial reference frame. Thus, our derivation employs three different reference frames: one commoving with the source, the second one commoving with the receiver and the third one, commoving with the observer. The general formula, once derived, allows us to tease out all the specific cases, like the one from the perspective of the receiver, the one expressing the transverse Doppler effect, and the general formula for the Doppler rotor effect. We close with the derivation of the general formula for relativistic light aberration.
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