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Declare a Commutation Relationship in FeynCalc

  1. Dec 27, 2016 #1
    1. The problem statement, all variables and given/known data
    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.

    2. Relevant equations
    Thai problem is Peskin&Schroeder 3.1.

    3. The attempt at a solution
    Searched the document and examples, no practical suggestions found yet.
  2. jcsd
  3. Jan 1, 2017 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
  4. Jan 3, 2017 #3
    Got the response from my kind of tutor that such operation ain't the focus of FeynCalc and I shall focus on other tools.
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