Sorry to cluter forum with previous thread. I cannot work out the letex code(adsbygoogle = window.adsbygoogle || []).push({});

http://www.cmmp.ucl.ac.uk/~drb/Teaching/PHAS3201_RelativisticTransformationsFull.pdf

in above pdf i do not understand the transition from eq 32 to 33.

That is, I don't understand the presence of the last i*psi/c term in the new 4-vector potential. SHouldn't it just be a= (A1,A2,A3,A4) to get eq29?

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# D'Alembertian question again (sorry)

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