Equation Icon  2 ( 2 ) ( 2 ) KAB = − ---∂-ℒ-- + 1∂μ ----∂-ℒ----- + 1-∂μ ----∂--ℒ---- . (210 ) ∂ ϕA∂ ϕB 2 ∂(∂μϕA )∂ ϕB 2 ∂ (∂ μϕB)∂ ϕA