Re: Problem with Tr ???

Name: rolf@mertig.com (email_not_shown)
Date: 07/09/06-05:14:37 PM Z

Hi,
well ..., do you really need open color lines?
Usually color indices are contracted, so that a calculation will give a color factor.

Maybe it better to calculate color factors separately.

I did have some trougle implementing SU(N)xSU(2), i.e., it is non-trivial to mimick SUNT's and DiracGamma's with the same

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