Equation Icon  { ( ) K μναβ(x ) ≡ − μ −(n− 4) 2 ∂μ∂(αΔFn (x)∂ β)∂ νΔFn (x) + 2 𝒟μν ∂αΔFn (x)∂β ΔFn (x ) +2 𝒟 αβ (∂μΔ (x)∂ νΔ (x )) + 2𝒟 μν𝒟 αβ (Δ2 (x )) [ Fn Fn Fn μν (α β) αβ (μ ν) ( μν αβ αβ μν) + η ∂ ΔFn (x )∂ + η ∂ ΔFn (x)∂ + ΔFn (0) η 𝒟 + η 𝒟 ( ) ] } + 1η μνηαβ ΔFn (x)□ − m2 ΔFn (0) δn(x) . (104 ) 4