Equation Icon  [ ( ) ] μ 6-κ2 μ 2- 2 ˙ 2 2- 2⃗ ∇ ℰμν = λ ∇ 𝒮μν + 3 κ5 ψ + Θ ψ − 3κ ψ uμ + 3 κ5∇ μψ. (239)