Solutions for homework assignment #4

Problem A

Solution program [deuteron.f90 (Fortran)] [Julia code (Jupyter notebook) by Gabe Schumm)]

The results shown below were obtained using rmax=100 fm, and 20000 integration steps, but even rmax=50 and 2000 steps give acceptable results.

The potential depth versus the Yukawa range a.

The radius versus the Yukawa range a.

The wave function for a=1.26, for which the radius is 2 fm.