Hi,
I am using FeynCalc package in Mathematica to calculate some complicated Traces, but I think the default convention for the anticommutator of two Gamma matrices in this package is with positive a sign on the right-hand side as
${\gamma^\mu,\gamma^\nu}=+2\eta^{\mu\nu}$
I would like to change this convention to the one with a negative sign, i.e
${\gamma^\mu,\gamma^\nu}=-2\eta^{\mu\nu}$
how can I do that once for all?
Thanks,
Naser
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