Equation Icon  ∘ --------- a Area (𝒮 ) 1 ∮ ( ) PH-(𝒮) = ------2---- σ σ′ + ¯σ ¯σ′ − ψ2 − ψ¯2 ′ + 2ϕ11 + 2Λ W ad 𝒮, (6.2 ) 16πG 4π 𝒮