Equation Icon  [ ′ ′ ] [ ] ⟨ˆac(Ω) ∘ ˆac(Ω )′⟩ ⟨ˆac(Ω ) ∘ ˆas(Ω )′⟩ = 2π δ(Ω + Ω ′) Scc(Ω ) Scs(Ω ) = 2π𝕊 δ(Ω + Ω ′). (64 &#x0029 ⟨ˆas(Ω) ∘ ˆac(Ω )⟩ ⟨ˆas(Ω ) ∘ ˆas(Ω )⟩ Ssc(Ω ) Sss(Ω )