Abstract A widely accepted viewpoint asserts that the transverse Doppler effect for a plane electromagnetic wave is a red shift which is purely a relativistic effect caused by time dilation or slowing down of moving clocks. One weakness of this assertion, however, is that few literature has p ...
In recent study, the invariance of the phase of plane waves among all inertial frames is challenged by a counter-example, that is, there is the negative frequency of plane waves in the case ofsuperluminal motion of the medium, where the four-vector ( k , /c) of plane waves i ...
Abstract. Besides Einsteins two fundamental postulates, additional assumptions are made in various derivations of the Lorentz transformation (LT). Two or three so-called exact derivations of the LT have been highly abstract and abstruse. Thus, the validity of the derivation of the LT ...
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