DiracGamma[x, dim] is the head of all Dirac matrices and slashes (in the internal representation). Use DiracMatrix (or GA, GAD) and DiracSlash (or GS, GSD) for manual (short) input. DiracGamma[x, 4] simplifies to DiracGamma[x]. DiracGamma is . DiracGamma is DiracGamma is
See also: DiracGammaExpand, DiracMatrix, DiracSimplify, DiracSlash, DiracTrick.
A Dirac-slash, i.e., , is displayed as .
|The FeynCalc Book||Dimension||DiracGammaCombine|