Schrodinger Equation ι ħ ∂/∂t ψ(𝐫,t) = Ĥ ψ(𝐫,t) ψ(x,t) = A exp(ι(kx - (ħk²/2m)t)) ξᵖ = ξ⁰ = 1 where L is the set of Laguerre polynomials,