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...
I am an undergraduate student major in physics in my senior year. About what I am doing is marching through pages of QFT and GR books, and finding shelters for future academic life.