FeynCalc manual (development version)

TGA

TGA[] can be used as input for \gamma^0 in 4 dimensions and is transformed into DiracGamma[ExplicitLorentzIndex[0]] by FeynCalcInternal.

See also

Overview, GA, DiracGamma.

Examples

TGA[]

\bar{\gamma }^0

TGA[] // FCI // StandardForm

(*DiracGamma[ExplicitLorentzIndex[0]]*)

TGA[] . TGA[] // DiracSimplify

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