Equation Icon  β = 1r(γ )2, (25 ) ,r 2 [,r ] [ ] ( ) 2 r4e2(γ−β)U,r = 2r2 r2 β- − (sin-πœƒ-γ),rπœƒ + 2γ,rγ,πœƒ , (26 ) ,r r2 ,rπœƒ sin2πœƒ 4 V,r = − 1r4e2(γ− β)(U,r)2 + (r-sinπœƒ-U-),rπœƒ 4 [ 2r2 sin πœƒ ] 2(β−γ) (sin-πœƒβ,πœƒ),πœƒ- 2 +e 1 − sin πœƒ + γ,πœƒπœƒ + 3cot πœƒγ,πœƒ − (β,πœƒ) − 2γ,πœƒ(γ,πœƒ − β,πœƒ) , (27 )