I am working on 6.16 at the following site:
I think that the solution given is given is wrong. I can get part a), however, I am just getting stuck on part b). So, the wavefunction in r < r_0 is
R(r) = A/r sin(k_1*r)
and the solution in r > r_0 is given by
R(r) = B/r exp(-k_2*r)
I have no idea how t do what they are asking in part b) since we have three unknowns, A, B and V_0 and only two equations: namely continuity at r_0 of R and R'. Is there something that I am missing?
The Attempt at a Solution
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