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I've been trying to solve problem 2.1 a in Peskin and schroeder, an introduction to QFT.

The problem is to derive Maxwells equations for free space, which I have almost managed to do,

using the Euler- lagrange euqation And the definition of the field tensor as

[tex]

F_{μv} = d_μ A_v - d_v A_μ

[/tex]

So I have managed to get to;

[tex]

0=d_μ F^{μv}

[/tex]

But I am unable to see how this shows Maxwells equations.

Any points would be appreciated.

Thanks.

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# How do Maxwells equations result from the field tensor?

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