Equation Icon  [ ] 1 ( 1 ) 4 ------ G (1)μν + ΛB h μν − --ημνh (x) − -αBD (1)μν(x) − 2βBB (1)μν(x) 8πGB 2 3 (1)μν −(n−4) 1 ∫ n −(n− 4) μναβ μν − ξG (x )μ iΔFn (0) + -- d yμ H n (x,y )h αβ(y) = ξ (x). (87 ) 2