Equation Icon  ττ 6 Λ N = 𝒪 (ε ), (102 ) Λ τi= 𝒪 (ε6), (103 ) N ( ) Λij = (− g)tij + 𝒪 (ε8) = ε4--1- δi δj − 1-δijδ hττ,k hττ,l + 𝒪 (ε5), (104 ) N LL 64 π k l 2 kl 4 B 4 B