FeynCalc manual (development version)

CF

CF is one of the Casimir operator eigenvalues of SU(N)SU(N) (CF = N212N\frac{N^2-1}{2N}).

See also

Overview, CA, SUNSimplify.

Examples

CF

CFC_F

SUNSimplify[CF, SUNNToCACF -> False]

N212N\frac{N^2-1}{2 N}

SUNN

NN

SUNSimplify[SUNN^2 - 1, SUNNToCACF -> True]

2CACF2 C_A C_F