FeynCalc manual (development version)

CF

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

See also

Overview, CA, SUNSimplify.

Examples

CF

C_F

SUNSimplify[CF, SUNNToCACF -> False]

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

SUNN

N

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

2 C_A C_F