Equation of Motion of Small Bodies in Relativity — mentioned by Certhas

Mon, 07 Jan 2019 16:26:07 GMT

Then stop playing with words and say what you mean. Point charges make sense without qualification in EM, that much is true. But that doesn't mean that there is something strange or fishy going on here. You can formulate Lorentz forces using mass distributions and you're fine (it's right there in the next subsection of the wiki). The pathologies don't appear. Of course the resulting equations are non-linear, and that is the origin of the failure of point sources to make sense. If you then try to recover point sources by taking a limit, the details of the assumptions you make matter a great…

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Equation of Motion of Small Bodies in Relativity · HackerPapers discussions

Equation of Motion of Small Bodies in Relativity — mentioned by Certhas