phy-4600/lecture_notes/3-30/finite spherical well
2020-12-23 14:34:38 -05:00

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Finite Spherical Well and Deuterium Nucleus
Attractive potential exists between proton and neutron
(pic) step function potential
Assume l=0 then S.E. for radial function is
−͟ħ͟²͟ ⎛∂͟²͟ R + 2͟ ∂͟ R⎞V R = E R
2m ⎝∂r² r ∂r ⎠
K² ≡ (E͟_͟͟_͟V͟)2m ⇒ ∂͟²͟ R + 2͟ ∂͟ R + K² R = E R
ħ² ∂r² r ∂r
R(r) = U(r)/r ⇒ ∂͟²͟ U = - K² R
∂r²
For r<a
K₀ = 2͟m͟(E+V₀) ⇒
ħ²