Equation Icon  [ ( w (r,z ) = 1-λC E (r,0)2 + 2μc (Err(r,0) + Eϕ,ϕ(r,0))2 2 )] − 2Err(r,0)E ϕ,ϕ(r,0) + Ezz(r,z)2 (8.152 )