A short proof that the Coulomb-gauge potentials yield the retarded fields
Jose A. Heras
TL;DR
This paper provides a straightforward proof that Coulomb-gauge potentials produce the correct retarded electric and magnetic fields, making it accessible for advanced undergraduates studying electromagnetic theory.
Contribution
It offers a simple, accessible demonstration that Coulomb-gauge potentials generate retarded fields, clarifying a fundamental aspect of electromagnetic theory.
Findings
Coulomb-gauge potentials produce retarded fields
The proof is suitable for advanced undergraduate courses
Simplifies understanding of electromagnetic potentials
Abstract
A short demonstration that the potentials in the Coulomb gauge yield the retarded electric and magnetic fields is presented. This demonstration is relatively simple and can be presented in an advanced undergraduate curse of electromagnetic theory,
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