Equation Icon  √2-κϕ − (2n+1) F = e 6 = 1 −[2n μ(R ∕Rc) , ] (5.20 ) μR √4 ( − κϕ ) 22nn+1 V (ϕ) = ---c2 e− 6κϕ 1 − (2n + 1) √----- . (5.21 ) 2κ 6nμ