Name: SUN Qingfeng (email_not_shown)
Date: 06/29/15-12:24:30 AM Z


Input:
test = FVD[k, \[Mu]] FAD[k - q1] // FCI
TID[test, k]

Output:
0

But I think the answer should be:?
FVD[q1, \[Mu]] FAD[k - q1]

Which answer should be correct?

My version Info:
Mathematica 8.0 FeynCalc 9.0



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