Equation Icon  ( D2 ) (2h (1β)μ;ν − h(μ1ν);β)u μuνωβ → (2h(β1μ);ν − h(1μ)ν;β)uμu νωβ + 2ω β gγβ--2-+ ℰ γβ ξ(γ1). (22.9 dτ