Electrodynamics of Radiating Charges

The theory of electrodynamics of radiating charges is reviewed with special emphasis on the role of the Schott energy for the conservation of energy for a charge and its electromagnetic field. It is made clear that the existence of radiation from a charge is not invariant against a transformation be...

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Main Author: Øyvind Grøn
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Advances in Mathematical Physics
Online Access:http://dx.doi.org/10.1155/2012/528631
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author Øyvind Grøn
author_facet Øyvind Grøn
author_sort Øyvind Grøn
collection DOAJ
description The theory of electrodynamics of radiating charges is reviewed with special emphasis on the role of the Schott energy for the conservation of energy for a charge and its electromagnetic field. It is made clear that the existence of radiation from a charge is not invariant against a transformation between two reference frames that has an accelerated motion relative to each other. The questions whether the existence of radiation from a uniformly accelerated charge with vanishing radiation reaction force is in conflict with the principle of equivalence and whether a freely falling charge radiates are reviewed. It is shown that the resolution of an electromagnetic “perpetuum mobile paradox” associated with a charge moving geodetically along a circular path in the Schwarzschild spacetime requires the so-called tail terms in the equation of motion of a charged particle.
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spelling doaj-art-8364e939817845dbb3d177dac91aed1e2025-02-03T01:26:42ZengWileyAdvances in Mathematical Physics1687-91201687-91392012-01-01201210.1155/2012/528631528631Electrodynamics of Radiating ChargesØyvind Grøn0Faculty of Technology, Art and Design, Oslo and Akershus University College of Applied Sciences, P.O. Box 4, St. Olavs Plass, 0130 Oslo, NorwayThe theory of electrodynamics of radiating charges is reviewed with special emphasis on the role of the Schott energy for the conservation of energy for a charge and its electromagnetic field. It is made clear that the existence of radiation from a charge is not invariant against a transformation between two reference frames that has an accelerated motion relative to each other. The questions whether the existence of radiation from a uniformly accelerated charge with vanishing radiation reaction force is in conflict with the principle of equivalence and whether a freely falling charge radiates are reviewed. It is shown that the resolution of an electromagnetic “perpetuum mobile paradox” associated with a charge moving geodetically along a circular path in the Schwarzschild spacetime requires the so-called tail terms in the equation of motion of a charged particle.http://dx.doi.org/10.1155/2012/528631
spellingShingle Øyvind Grøn
Electrodynamics of Radiating Charges
Advances in Mathematical Physics
title Electrodynamics of Radiating Charges
title_full Electrodynamics of Radiating Charges
title_fullStr Electrodynamics of Radiating Charges
title_full_unstemmed Electrodynamics of Radiating Charges
title_short Electrodynamics of Radiating Charges
title_sort electrodynamics of radiating charges
url http://dx.doi.org/10.1155/2012/528631
work_keys_str_mv AT øyvindgrøn electrodynamicsofradiatingcharges