Equation Icon  ϕ ∗0= 0 = ϕ0− 2Lϕ0 + L2 ϕ0, (3.65 ) 0∗0 0 0 0 1 2 ϕ 1 = ϕ 1 − L ϕ2, (3.66 ) ϕ ∗0= ϕ0 . (3.67 ) 2 2