Equation Icon  ¯ ∑ ¯ L 𝔥(φ ) = L𝔥(φ) + n≥1 Ln(φ, ξ), μν i j L1(φ¯, ξ) = 𝔥ij(¯φ)¯γ ∂ μ¯φ ¯D νξ, (B.60 ) [ ] L2(φ¯, ξ) = 12¯γμν 𝔥ij(¯φ)D¯μξi ¯D νξj + Rijkl(¯φ)∂μ¯φi∂ν¯φjξkξl ,