- #1
ShadowMeson
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Homework Statement
I am a rookie to the QFT extension in Mathematica called FeynCalc, and tried to use that into solving some quiz. Soon I met a problem upon some condition presented in a problem which declares an relation of two same tensor with different indices results in some value when commuted. I don't know how to express such relationship nor how intelligent the program is in dealing with that.
Homework Equations
Thai problem is Peskin&Schroeder 3.1.
The Attempt at a Solution
Searched the document and examples, no practical suggestions found yet.