Particular attention is given to an analysis of recent challenges to the theory behind the Wilson-Wilson experiment, an early laboratory verification of special relativity using a rotating cylindrical body, whose validity has been questioned in recent years. Problems tackled include an investigation of how plane waves propagate into moving, temporally dispersive media the form of waves reflected from an arbitrarily moving mirror and static fields induced in arbitrarily moving dielectrics. We use differential forms together with covariant boundary conditions and a new model of constitutive relations for moving media to give clear solutions to a selection of physical questions, including those that have not in the past been satisfactorily answered.Įxtensive analysis is performed of fields, both static and propagating, in combination with moving media. This body of work illustrates the use of a covariant electrodynamics 'toolkit' to tackle a number of previously unresolved problems in classical electrodynamics. Detection or non-detection of UHE photon signatures of magnetic monopoles would bring us closer to solving this fascinating puzzle. There are also theoretical reasons why magnetic monopoles allowed by Dirac’s theory might not be realized in nature in the form of isolated particles. Despite these attempts, magnetic monopoles have yet to be empirically proved. The predicted observational signatures of these particles are therefore searched for in dedicated experiments currently in operation. There are compelling theoretical reasons in favor of the presence of magnetic monopoles in nature. Observing UHE photons can pose constraints on the properties of magnetic monopoles. UHE photons could be emitted in encounters of massive magnetically charged monopole-antimonopole pairs or in processes associated with monopoles accelerated to high energies, typically 1021eV or beyond. However, more exotic scenarios are also possible. They are produced in various processes involving electrically charged particles. Ultra-high energy (UHE) photons with energies exceeding 1018eV can potentially be observed. There are also theoretical reasons why magnetic monopoles allowed by Dirac's theory might not be realized in nature in the form of isolated particles. (also inside: this manuscript introduces the reader to the argument against the existence of magnetic monopoles, which forms an essential part of Staruszkiewicz's Quantum Mechanics of the Electric Charge) Ultra-high energy (UHE) photons with energies exceeding $10^\eV$ or beyond.
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