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Interaction Energy of a Charged Medium and its EM Field in a Curved Spacetime

Abstract : In the electrodynamics of special relativity (SR) or general relativity (GR), the energy tensors of the charged medium and its EM field add to give the total energy tensor that obeys the dynamical equation without external force. In the investigated scalar theory of gravitation ("SET"), this assumption leads to charge non-conservation, hence an additional, "interaction" energy tensor T inter has to be postulated. The present work aims at constraining this tensor. First we study the independent equations of electrodynamics and their number, beginning with SR and GR. As in SR and GR, the system of electrodynamics of SET is closed in the absence of T inter. Hence, with T inter , at least one additional equation must be provided. This is done by assuming that T inter is Lorentz-invariant in the situation of SR. We derive equations allowing one in principle to compute T inter in a given gravitational plus EM field. T inter may contribute to the dark matter.
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https://hal.archives-ouvertes.fr/hal-01881100
Contributor : Mayeul Arminjon <>
Submitted on : Tuesday, September 25, 2018 - 2:47:30 PM
Last modification on : Monday, September 14, 2020 - 8:44:04 AM
Long-term archiving on: : Wednesday, December 26, 2018 - 2:46:30 PM

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Mayeul Arminjon. Interaction Energy of a Charged Medium and its EM Field in a Curved Spacetime. Proceedings of the Twentieth International Conference on Geometry, Integrability and Quantization, Ivaïlo M. Mladenov, Jun 2018, Varna, Bulgaria. pp.88-98. ⟨hal-01881100⟩

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