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## Main Question or Discussion Point

Hi.

I am working through some notes which use the following metric diag(1,-1,-1,-1).

They give the 4-potential as ( A

Thanks

I am working through some notes which use the following metric diag(1,-1,-1,-1).

They give the 4-potential as ( A

^{μ}) = ( V/c ,**A**) where V is the scalar potential and**A**is the vector potential. This should mean in components A^{0}= V/c and A^{1}= A_{1}and so on but with the metric given shouldn't A^{1}= - A_{1}?Thanks