GAD

Description

GAD[μ] can be used as input for a D-dimensional (Subscript[γ, μ]) and is transformed into DiracGamma[LorentzIndex[μ,D],D] by FeynCalcInternal (=FCI).GAD[μ, ν,   ... ] is a short form for GAD[μ].GAD[ν]. ... .

See also:  DiracMatrix, GA, GS.

Examples

GAD[μ]

GAD[μ, ν] - GAD[ν, μ]

StandardForm[FCI[GAD[μ]]]

GAD[μ, ν, ρ, σ]

StandardForm[GAD[μ, ν, ρ, σ]]

GAD[α] . (GSD[p] + m) . GAD[β]