- #1

snoopies622

- 846

- 28

[tex]

L = \bar {q} (i \gamma ^{\mu} D_{\mu} - m_{q} ) q - \frac {1}{4} F^{a}_{\mu \nu} F^{\mu \nu} _{a}

[/tex]

I tried assuming that L was the Lagrangian, m was mass, F was the Faraday tensor, etc. but my assumptions were never consistent with dimensional analysis.

What is this?

Thanks.