GS

Description

GS[p] can be used as input for a 4-dimensional \(TraditionalForm\`p\ /\ \((\(\(=\)\(γ . 
                p\)\)\  = \ \(γ\_μ\) p\^μ)\)\) and is transformed into DiracGamma[Momentum[p]] by FeynCalcInternal (=FCI). GS[p,q, ...] is a short form for GS[p].GS[q]. ... .

See also:  DiracGamma, DiracSlash, GA, GAD.

Examples

GS[p]

GS[p] // FCI // StandardForm

GS[p, q, r, s]

GS[p, q, r, s] // StandardForm

GS[q] . (GS[p] + m) . GS[q]