Name: Purnendu Chakraborty Date: 11/08/02-08:42:25 PM Z


Hi,
     I am getting corrrect expression for Tr[DiracSlash[a].DiracSlash[a]].
I am using latest version Feyncalc of in Mathematica 4.0.

Purnendu

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On Thu, 7 Nov 2002, Roberto Sghedoni wrote:
> There's a bug in FeynCalc: it calculates Tr[DiracSlash[a].DiracSlash[a]] as 
> a^2 but the correct result is 4*a^2.
> Instead the calculation of Tr[DiracSlash[a].DiracSlash[b]] is correct.
> 
> 
> 
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> Roberto Sghedoni
> Dipartimento di Fisica dell'Università degli Studi di Parma
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