On the energy-momentum current of the electromagnetic field in a pre-metric axiomatic approach. I

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We complete a metric-free axiomatic framework for electrodynamics by introducing the appropriate energy-momentum current Sigma of the electromagnetic field. We start from the Lorentz force density and motivate the form of Sigma. Then we postulate it (fourth axiom) and discuss its properties. In particular, it is found that Sigma is traceless and invariant under an electric-magnetic reciprocity transformation. By using the Maxwell-Lorentz spacetime relation (fifth axiom), Sigma is also shown to be symmetric, that is, it has 9 independent components
25 pages, Revtex, Dedicated to the memory of our friend and colleague Ruggiero de Ritis from Napoli

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General Relativity and Quantum Cosmology, High Energy Physics - Theory, Classical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/33831

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0103020
 http://arxiv.org/abs/gr-qc/0103020

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arXiv