Is it enough to see the covariance of the wave equation the fourth-vector potential ([itex]\phi[/itex], [itex]\bar{A}[/itex]) satisfy? I mean, is this enough to prove the covariance of Maxwell equations?(adsbygoogle = window.adsbygoogle || []).push({});

The equation would be [itex]∂_{\mu}[/itex][itex]∂^{\mu}[/itex][itex]A^{\nu} [/itex]=[itex]\frac{4\pi}{c}[/itex] [itex]J^{\nu}[/itex]

[itex] [/itex]

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# How to prove that Maxwell eqs. are covariant

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