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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

**Next message:**Vladyslav Shtabovenko: "Re: Can Feyncalc do calculations in Euclidean Metrics?"**Previous message:**Sun Qingfeng: "On the Function FCPrepareFAAmp"**Maybe in reply to:**Tim Oppermann: "Can Feyncalc do calculations in Euclidean Metrics?"**Next in thread:**Vladyslav Shtabovenko: "Re: Can Feyncalc do calculations in Euclidean Metrics?"**Reply:**Vladyslav Shtabovenko: "Re: Can Feyncalc do calculations in Euclidean Metrics?"**Messages sorted by:**[ date ] [ thread ] [ subject ] [ author ]**Mail actions:**[ respond to this message ] [ mail a new topic ]

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