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Maxwell-Lorentz without self-interactions: Conservation of energy and momentum

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Published
Article number065202
<mark>Journal publication date</mark>21/01/2022
<mark>Journal</mark>Journal of Physics A: Mathematical and General
Issue number6
Volume55
Number of pages14
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Since a classical charged point particle radiates energy and momentum it is argued that there must be a radiation reaction force. Here we present an action for the Maxwell-Lorentz without self interactions model, where each particle only responds to the fields of the other charged particles. The corresponding stress-energy tensor automatically conserves energy and momentum in Minkowski and other appropriate spacetimes. Hence there is no need for any radiation reaction.