Second Chern form
= Second Chern form
{c}
For curvature $F=dA+A\wedge A$, a standard normalization of the second Chern form is
$$
C_2=\frac1{8\pi^2}\operatorname{Tr}(F\wedge F).
$$
= Second Chern form
{c}
For curvature $F=dA+A\wedge A$, a standard normalization of the second Chern form is
$$
C_2=\frac1{8\pi^2}\operatorname{Tr}(F\wedge F).
$$