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Gauge coupling
In theoretical physics, a gauge coupling is the parameter g than determines the strength of the interaction in a gauge theory.
It's the coefficient of the Yang-Mills term in the Lagrangian
![-{1 \over 4g^2}Tr[F^{\mu\nu}F_{\mu\nu}]](a/../upload/math/d11241c305b6867fcaef213cdfda5755.png)
Last updated: 10-16-2005 16:43:31
03-10-2013 05:06:04
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details