Name: Â½Ó Date: 04/21/15-02:54:53 PM Z
In FeynCalc 9.0.0.,
Momentum[p] returns something like “\bar{p}”.
It can also be verified by TBox[Momentum[p]].
However, Momentum[p,x] won’t behave like this.
Is this a bug or there are some profound considerations?