Equation Icon  ( ) s2∂c∂ch (2,− 1) = 6m Aˆ(1,0) + ˆK (1,0) ˆωab − 12m Hˆ(1,0)ˆωb⟩i + 2m δab ˆH (1,0)ˆωij, (22.52 ) Bab i⟨a ij